1.0.66 release

Finnish language update

.github/FUNDING.yml

@@ -9,4 +9,4 @@ community_bridge: # Replace with a single Community Bridge project-name e.g., cl
 liberapay: # Replace with a single Liberapay username
 issuehunt: # Replace with a single IssueHunt username
 otechie: # Replace with a single Otechie username
-custom: ['https://www.ventoy.net/en/donation.html'] # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
+custom: ['https://www.paypal.me/ventoy', 'https://www.ventoy.net/en/donation.html'] # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1 @@
+blank_issues_enabled: false

.github/ISSUE_TEMPLATE/issue_template.yml

@@ -0,0 +1,100 @@
+name: Issue Report
+description: File an issue report
+title: "[issue]: "
+assignees:
+  - octocat
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this issue report!
+  - type: checkboxes
+    id: faq
+    attributes:
+      label: Official FAQ
+      description: Have you checked the official FAQ at [https://www.ventoy.net/en/faq.html](https://www.ventoy.net/en/faq.html) ?
+      options:
+        - label: I have checked the official FAQ. 
+          required: true
+  - type: input
+    id: version
+    attributes:
+      label: Ventoy Version
+      description: What version of ventoy are you running?
+      placeholder: 1.0.66
+    validations:
+      required: true
+  - type: dropdown
+    id: latestrelease
+    attributes:
+      label: What about latest release
+      description: Have you tried with the latest release of Ventoy?
+      options:
+        - Yes. I have tried the latest release, but the bug still exist.
+        - No. I didn't try the latest release.
+    validations:
+      required: true
+  - type: dropdown
+    id: bios
+    attributes:
+      label: BIOS Mode
+      description: In which BIOS mode did you find the bug?
+      options:
+        - Legacy BIOS Mode
+        - UEFI Mode
+        - Both
+    validations:
+      required: true
+  - type: dropdown
+    id: partstyle
+    attributes:
+      label: Partition Style
+      description: Which partition style did you select when you install Ventoy?
+      options:
+        - MBR
+        - GPT
+    validations:
+      required: true
+  - type: input
+    id: capacity
+    attributes:
+      label: Disk Capacity
+      description: What is the capacity of the disk installed with Ventoy?
+      placeholder: 32GB
+    validations:
+      required: true
+  - type: input
+    id: vendor
+    attributes:
+      label: Disk Manufacturer
+      description: What is the manufacturer of the disk installed with Ventoy? (e.g. SanDisk/Kingston...)      
+    validations:
+      required: false
+  - type: dropdown
+    id: checksum
+    attributes:
+      label: Image file checksum (if applicable)
+      description: Have you checked the image file in Ventoy's menu as [https://www.ventoy.net/en/faq.html#faq_boot_checksum](https://www.ventoy.net/en/faq.html#faq_boot_checksum) ?
+      options:
+        - Yes.
+        - No.        
+    validations:
+      required: false
+  - type: input
+    id: link
+    attributes:
+      label: Image file download link (if applicable)
+      description: What is the image file download link?
+      placeholder: https://xxx
+    validations:
+      required: false
+  - type: textarea
+    id: what-happened
+    attributes:
+      label: What happened?
+      description: Tell me what happened. It's highly recommended to include some photo or video about the bug.
+      placeholder: Tell us what you see!
+      value: "A bug happened!"
+    validations:
+      required: true
+

.github/ISSUE_TEMPLATE/success_image_report.yml

@@ -0,0 +1,101 @@
+name: Success Image Report
+description: To report an image file that boot successfully in Ventoy and is not yet listed in https://www.ventoy.net/en/isolist.html
+title: "[Success Image Report]: "
+assignees:
+  - octocat
+body:
+  - type: markdown
+    attributes:
+      value: |
+        I list all the successfully tested image files in the official website: https://www.ventoy.net/en/isolist.html   
+        If you successfully test an image file which is not listed in the above page, you can tell me and I will be very glad to add it to the tested list.
+  - type: checkboxes
+    id: faq
+    attributes:
+      label: Official Website List
+      description: Have you checked the list at [https://www.ventoy.net/en/isolist.html](https://www.ventoy.net/en/isolist.html) and the image file is not listed?
+      options:
+        - label: I have checked the list in official website and the image file is not listed there. 
+          required: true
+  - type: input
+    id: version
+    attributes:
+      label: Ventoy Version
+      description: What version of ventoy did you test with the image file.
+      placeholder: 1.0.57
+    validations:
+      required: true
+  - type: dropdown
+    id: bios
+    attributes:
+      label: BIOS Mode
+      description: In which BIOS mode did you successfully test the image file? (It's recommended to test in both mode)
+      options:
+        - Legacy BIOS Mode
+        - UEFI Mode
+        - Both
+    validations:
+      required: true
+  - type: dropdown
+    id: partstyle
+    attributes:
+      label: Partition Style
+      description: Which partition style did you use with Ventoy?
+      options:
+        - MBR
+        - GPT
+    validations:
+      required: true
+  - type: input
+    id: filename
+    attributes:
+      label: Image file name
+      description: The successfully tested image file name.
+      placeholder: xxxx.iso
+    validations:
+      required: true
+  - type: dropdown
+    id: checksum
+    attributes:
+      label: Image file checksum type
+      description: 
+      options:
+        - MD5
+        - SHA1        
+        - SHA256        
+        - SHA512        
+    validations:
+      required: true
+  - type: input
+    id: checkvalue
+    attributes:
+      label: Image file checksum value
+      description: What is the image file checksum value corresponding to the above checksum type?
+      placeholder: xxxx
+    validations:
+      required: true
+  - type: input
+    id: link
+    attributes:
+      label: Image file download link (if applicable)
+      description: What is the image file download link?
+      placeholder: https://xxx
+    validations:
+      required: false
+  - type: input
+    id: testenv
+    attributes:
+      label: Test envrionment
+      description: The manufacturer/model and other details about your computer (or VM).
+      placeholder: Lenovo Thinkpad T420 laptop
+    validations:
+      required: true
+  - type: textarea
+    id: details
+    attributes:
+      label: More Details?
+      description: You can give more details here.
+      value: "This image file booted successfully in Ventoy."
+    validations:
+      required: false
+

.github/workflows/ci.yml

@@ -27,6 +27,10 @@ jobs:
       with:
         name: ventoy-livecd
         path: INSTALL/ventoy-*livecd*
+    - uses: actions/upload-artifact@v2
+      with:
+        name: SHA256SUM
+        path: INSTALL/sha256.txt
     - uses: actions/upload-artifact@v2
       with:
         name: xxx-build-log

.github/workflows/sync2gitee.yml

@@ -11,6 +11,7 @@ on:
 jobs:
   run:
     name: Sync-GitHub-to-Gitee
+    if: ${{ github.repository_owner == 'ventoy' }}
     runs-on: ubuntu-latest
     steps:
     - name: Mirror the Github repos to Gitee.

BUSYBOX/chmod/build.sh

@@ -1,9 +1,11 @@
 #!/bin/sh
 
-DSTDIR=../../IMG/cpio/ventoy/busybox
+DSTDIR1=../../IMG/cpio_x86/ventoy/busybox
+DSTDIR2=../../IMG/cpio_arm64/ventoy/busybox
+DSTDIR3=../../IMG/cpio_mips64/ventoy/busybox
 
 rm -f vtchmod32 vtchmod64 vtchmod64_musl vtchmodaa64
-rm -f $DSTDIR/vtchmod32 $DSTDIR/vtchmod64 $DSTDIR/vtchmodaa64 $DSTDIR/vtchmodm64e
+rm -f $DSTDIR1/vtchmod32 $DSTDIR1/vtchmod64 $DSTDIR2/vtchmodaa64 $DSTDIR3/vtchmodm64e
 
 /opt/diet32/bin/diet  gcc  -Os -m32  vtchmod.c -o  vtchmod32
 /opt/diet64/bin/diet  gcc  -Os       vtchmod.c -o  vtchmod64
@@ -23,9 +25,9 @@ chmod 777 vtchmodaa64
 chmod 777 vtchmod64_musl
 chmod 777 vtchmodm64e
 
-cp -a vtchmod32 $DSTDIR/
-cp -a vtchmod64 $DSTDIR/
-cp -a vtchmodaa64 $DSTDIR/
-cp -a vtchmod64_musl $DSTDIR/
-cp -a vtchmodm64e $DSTDIR/
+cp -a vtchmod32 $DSTDIR1/
+cp -a vtchmod64 $DSTDIR1/
+cp -a vtchmod64_musl $DSTDIR1/
+cp -a vtchmodaa64 $DSTDIR2/
+cp -a vtchmodm64e $DSTDIR3/
 

BUSYBOX/chmod/vtchmod.c

@@ -1,5 +1,8 @@
+#include <stdio.h>
+#include <string.h>
 #include <sys/types.h>  
 #include <sys/stat.h>
+#include <sys/utsname.h>
 
 int main(int argc, char **argv)
 {
@@ -7,7 +10,25 @@ int main(int argc, char **argv)
     {
         return 1;
     }
-    
+
+    if (argv[1][0] == '-' && argv[1][1] == '6')
+    {
+        struct utsname buf;
+        if (0 == uname(&buf))
+        {
+            if (strstr(buf.machine, "amd64"))
+            {
+                return 0;
+            }
+            
+            if (strstr(buf.machine, "x86_64"))
+            {
+                return 0;
+            }
+        }
+        return 1;
+    }
+
     return chmod(argv[1], 0777);
 }
 

DMPATCH/Makefile

@@ -0,0 +1,7 @@
+
+obj-m += dm_patch.o
+
+EXTRA_CFLAGS := -Wall
+
+dm_patch-objs := dmpatch.o
+

DMPATCH/dmpatch.c

@@ -0,0 +1,187 @@
+/******************************************************************************
+ * dmpatch.c  ---- patch for device-mapper
+ *
+ * Copyright (c) 2021, longpanda <admin@ventoy.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kallsyms.h>
+#include <linux/mutex.h>
+#include <linux/mempool.h>
+#include <linux/delay.h>
+#include <linux/wait.h>
+#include <linux/slab.h>
+
+#define MAX_PATCH   4
+
+#define magic_sig 0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF
+
+typedef int (*kprobe_reg_pf)(void *);
+typedef void (*kprobe_unreg_pf)(void *);
+typedef int (*printk_pf)(const char *fmt, ...);
+typedef int (*set_memory_attr_pf)(unsigned long addr, int numpages);
+
+#pragma pack(1)
+typedef struct ko_param
+{
+    unsigned char magic[16];
+    unsigned long struct_size;
+    unsigned long pgsize;
+    unsigned long printk_addr;
+    unsigned long ro_addr;
+    unsigned long rw_addr;
+    unsigned long reg_kprobe_addr;
+    unsigned long unreg_kprobe_addr;
+    unsigned long sym_get_addr;
+    unsigned long sym_get_size;
+    unsigned long sym_put_addr;
+    unsigned long sym_put_size;
+    unsigned long padding[3];
+}ko_param;
+
+#pragma pack()
+
+static printk_pf kprintf = NULL;
+static set_memory_attr_pf set_mem_ro = NULL;
+static set_memory_attr_pf set_mem_rw = NULL;
+static kprobe_reg_pf reg_kprobe = NULL;
+static kprobe_unreg_pf unreg_kprobe = NULL;
+
+static volatile ko_param g_ko_param = 
+{
+    { magic_sig },
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+#if defined(CONFIG_X86_64)
+#define PATCH_OP_POS    3
+#define CODE_MATCH(code, i) \
+    (code[i] == 0x40 && code[i + 1] == 0x80 && code[i + 2] == 0xce && code[i + 3] == 0x80)
+#elif defined(CONFIG_X86_32)
+#define PATCH_OP_POS    2
+#define CODE_MATCH(code, i) \
+    (code[i] == 0x80 && code[i + 1] == 0xca && code[i + 2] == 0x80 && code[i + 3] == 0xe8)
+#else
+#error "unsupported arch"
+#endif
+
+#define vdebug(fmt, args...) if(kprintf) kprintf(KERN_ERR fmt, ##args)
+
+static int notrace dmpatch_replace_code(unsigned long addr, unsigned long size, int expect, const char *desc)
+{
+    int i = 0;
+    int cnt = 0;
+    unsigned long align;
+    unsigned char *patch[MAX_PATCH];
+    unsigned char *opCode = (unsigned char *)addr;
+
+    vdebug("patch for %s 0x%lx %d\n", desc, addr, (int)size);
+
+    for (i = 0; i < (int)size - 4; i++)
+    {
+        if (CODE_MATCH(opCode, i) && cnt < MAX_PATCH)
+        {
+            patch[cnt] = opCode + i + PATCH_OP_POS;
+            cnt++;
+        }
+    }
+
+    if (cnt != expect || cnt >= MAX_PATCH)
+    {
+        vdebug("patch error: cnt=%d expect=%d\n", cnt, expect);
+        return 1;
+    }
+
+
+    for (i = 0; i < cnt; i++)
+    {
+        opCode = patch[i];
+        align = (unsigned long)opCode / g_ko_param.pgsize * g_ko_param.pgsize;
+
+        set_mem_rw(align, 1);
+        *opCode = 0;
+        set_mem_ro(align, 1);
+    }
+
+    return 0;
+}
+
+static int notrace dmpatch_init(void)
+{
+    int r = 0;
+    int rc = 0;
+
+    kprintf = (printk_pf)(g_ko_param.printk_addr); 
+
+    vdebug("dmpatch_init start pagesize=%lu ...\n", g_ko_param.pgsize);
+    
+    if (g_ko_param.struct_size != sizeof(ko_param))
+    {
+        vdebug("Invalid struct size %d %d\n", (int)g_ko_param.struct_size, (int)sizeof(ko_param));
+        return -EINVAL;
+    }
+    
+    if (g_ko_param.sym_get_addr == 0 || g_ko_param.sym_put_addr == 0 || 
+        g_ko_param.ro_addr == 0 || g_ko_param.rw_addr == 0)
+    {
+        return -EINVAL;
+    }
+
+    set_mem_ro = (set_memory_attr_pf)(g_ko_param.ro_addr);
+    set_mem_rw = (set_memory_attr_pf)(g_ko_param.rw_addr);
+    reg_kprobe = (kprobe_reg_pf)g_ko_param.reg_kprobe_addr;
+    unreg_kprobe = (kprobe_unreg_pf)g_ko_param.unreg_kprobe_addr;
+
+    r = dmpatch_replace_code(g_ko_param.sym_get_addr, g_ko_param.sym_get_size, 2, "dm_get_table_device");
+    if (r)
+    {
+        rc = -EINVAL;
+        goto out;
+    }
+    vdebug("patch dm_get_table_device success\n");
+
+    r = dmpatch_replace_code(g_ko_param.sym_put_addr, g_ko_param.sym_put_size, 1, "dm_put_table_device");
+    if (r)
+    {
+        rc = -EINVAL;
+        goto out;
+    }
+    vdebug("patch dm_put_table_device success\n");
+
+    vdebug("#####################################\n");
+    vdebug("######## dm patch success ###########\n");
+    vdebug("#####################################\n");
+
+out:
+
+	return rc;
+}
+
+static void notrace dmpatch_exit(void)
+{
+
+}
+
+module_init(dmpatch_init);
+module_exit(dmpatch_exit);
+
+
+MODULE_DESCRIPTION("dmpatch driver");
+MODULE_AUTHOR("longpanda <admin@ventoy.net>");
+MODULE_LICENSE("GPL");
+

DMPATCH/readme.txt

@@ -0,0 +1,36 @@
+1. install ubuntu 21.10
+2. apt-get install build-essential flex libncurses-dev linux-headers-generic linux-source libssl-dev ...... and so on
+3. cp /lib/modules/5.13.0-23-generic/build/Module.symvers ./
+4. /boot/config-5.13.0-23-generic as .config   make oldconfig
+5. make menuconfig 
+    1. close CONFIG_STACKPROTECTOR
+    2. close CONFIG_RETPOLINE
+
+6. modify ./scripts/mod/modpost.c
+    1. skip add_srcversion (just return)
+    2. force add_retpoline (#ifdef --> #ifndef)
+    3. force add_intree_flag
+
+7. make modules_prepare LOCALVERSION=-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+
+8. Append padding at the end of struct module <include/linux/module.h>
+struct module {
+    enum module_state state;
+
+	/* Member of list of modules */
+	struct list_head list;
+
+	/* Unique handle for this module */
+	char name[MODULE_NAME_LEN];
+    
+    ....
+    
+    char padding[1024];
+};
+
+This is because struct module size is different in different kernel versions or with different CONFIG item.
+
+
+9. make modules M=/home/dmpatch
+10. strip --strip-debug /home/dmpatch/dm_patch.ko
+

Dockerfile

@@ -5,6 +5,6 @@ RUN yum -y -q install \
         mpfr.i686 mpfr-devel.i686 rsync autogen autoconf automake libtool gettext* bison binutils \
         flex device-mapper-devel SDL libpciaccess libusb freetype freetype-devel gnu-free-* qemu-* virt-* \
         libvirt* vte* NetworkManager-bluetooth brlapi fuse-devel dejavu* gnu-efi* pesign shim \
-        iscsi-initiator-utils grub2-tools zip nasm acpica-tools glibc-static zlib-static xorriso
+        iscsi-initiator-utils grub2-tools zip nasm acpica-tools glibc-static zlib-static xorriso lz4 squashfs-tools
 
 CMD cd /ventoy/INSTALL && ls -la && sh docker_ci_build.sh    

EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/VDiskChain/VDiskChain.c

@@ -249,6 +249,12 @@ EFI_STATUS EFIAPI vdisk_exit_boot_service_wrapper
     IN  UINTN                        MapKey
 )
 {
+    if (g_org_get_variable)
+    {
+        gRT->GetVariable = g_org_get_variable;
+        g_org_get_variable = NULL;
+    }
+
     return g_org_exit_boot_service(ImageHandle, MapKey);
 }
 

EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/Ventoy/Ventoy.c

@@ -34,6 +34,7 @@
 #include <Protocol/BlockIo.h>
 #include <Protocol/RamDisk.h>
 #include <Protocol/SimpleFileSystem.h>
+#include <Protocol/DriverBinding.h>
 #include <Ventoy.h>
 
 BOOLEAN gDebugPrint = FALSE;
@@ -58,6 +59,9 @@ static grub_env_set_pf grub_env_set = NULL;
 ventoy_grub_param_file_replace *g_file_replace_list = NULL;
 ventoy_efi_file_replace g_efi_file_replace;
 
+ventoy_grub_param_file_replace *g_img_replace_list = NULL;
+ventoy_efi_file_replace g_img_file_replace;
+
 CONST CHAR16 gIso9660EfiDriverPath[] = ISO9660_EFI_DRIVER_PATH;
 CONST CHAR16 gUdfEfiDriverPath[] = UDF_EFI_DRIVER_PATH;
 
@@ -67,6 +71,9 @@ STATIC BOOLEAN g_hook_keyboard = FALSE;
 
 CHAR16 gFirstTryBootFile[256] = {0};
 
+STATIC EFI_GET_VARIABLE g_org_get_variable = NULL;
+STATIC EFI_EXIT_BOOT_SERVICES g_org_exit_boot_service = NULL;
+
 /* Boot filename */
 UINTN gBootFileStartIndex = 1;
 CONST CHAR16 *gEfiBootFileName[] = 
@@ -222,12 +229,14 @@ static void EFIAPI ventoy_dump_chain(ventoy_chain_head *chain)
     debug("os_param->vtoy_img_size=<%llu>",    chain->os_param.vtoy_img_size);
     debug("os_param->vtoy_img_location_addr=<0x%llx>", chain->os_param.vtoy_img_location_addr);
     debug("os_param->vtoy_img_location_len=<%u>",    chain->os_param.vtoy_img_location_len);
-    debug("os_param->vtoy_reserved=<%u %u %u %u %u>",    
+    debug("os_param->vtoy_reserved=<%u %u %u %u %u %u %u>",    
           g_os_param_reserved[0], 
           g_os_param_reserved[1], 
           g_os_param_reserved[2], 
           g_os_param_reserved[3],
-          g_os_param_reserved[4]
+          g_os_param_reserved[4],
+          g_os_param_reserved[5],
+          g_os_param_reserved[6]
           );
 
     ventoy_debug_pause();
@@ -362,10 +371,22 @@ EFI_HANDLE EFIAPI ventoy_get_parent_handle(IN EFI_DEVICE_PATH_PROTOCOL *pDevPath
     return Handle;
 }
 
+STATIC ventoy_ram_disk g_backup_ramdisk_param;
+STATIC ventoy_os_param g_backup_os_param_var;
+
+
 EFI_STATUS EFIAPI ventoy_save_ramdisk_param(VOID)
 {
+    UINTN DataSize;
     EFI_STATUS Status = EFI_SUCCESS;
     EFI_GUID VarGuid = VENTOY_GUID;
+
+    DataSize = sizeof(g_backup_ramdisk_param);
+    Status = gRT->GetVariable(L"VentoyRamDisk", &VarGuid, NULL, &DataSize, &g_backup_ramdisk_param);
+    if (!EFI_ERROR(Status))
+    {
+        debug("find previous ramdisk variable <%llu>", g_backup_ramdisk_param.DiskSize);
+    }
     
     Status = gRT->SetVariable(L"VentoyRamDisk", &VarGuid, 
                   EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
@@ -379,21 +400,38 @@ EFI_STATUS EFIAPI ventoy_delete_ramdisk_param(VOID)
 {
     EFI_STATUS Status = EFI_SUCCESS;
     EFI_GUID VarGuid = VENTOY_GUID;
-    
-    Status = gRT->SetVariable(L"VentoyRamDisk", &VarGuid, 
+
+    if (g_backup_ramdisk_param.DiskSize > 0 && g_backup_ramdisk_param.PhyAddr > 0)
+    {
+        Status = gRT->SetVariable(L"VentoyRamDisk", &VarGuid, 
+                  EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+                  sizeof(g_backup_ramdisk_param), &g_backup_ramdisk_param);
+        debug("resotre ramdisk variable %r", Status);
+    }
+    else
+    {
+        Status = gRT->SetVariable(L"VentoyRamDisk", &VarGuid, 
                   EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
                   0, NULL);
-    debug("delete efi variable %r", Status);
+        debug("delete ramdisk variable %r", Status);
+    }
 
     return Status;
 }
 
-
 EFI_STATUS EFIAPI ventoy_save_variable(VOID)
 {
+    UINTN DataSize;
     EFI_STATUS Status = EFI_SUCCESS;
     EFI_GUID VarGuid = VENTOY_GUID;
-    
+
+    DataSize = sizeof(g_backup_os_param_var);
+    Status = gRT->GetVariable(L"VentoyOsParam", &VarGuid, NULL, &DataSize, &g_backup_os_param_var);
+    if (!EFI_ERROR(Status))
+    {
+        debug("find previous efi variable <%a>", g_backup_os_param_var.vtoy_img_path);
+    }
+
     Status = gRT->SetVariable(L"VentoyOsParam", &VarGuid, 
                   EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
                   sizeof(g_chain->os_param), &(g_chain->os_param));
@@ -406,11 +444,21 @@ EFI_STATUS EFIAPI ventoy_delete_variable(VOID)
 {
     EFI_STATUS Status = EFI_SUCCESS;
     EFI_GUID VarGuid = VENTOY_GUID;
-    
-    Status = gRT->SetVariable(L"VentoyOsParam", &VarGuid, 
+
+    if (0 == CompareMem(&(g_backup_os_param_var.guid), &VarGuid, sizeof(EFI_GUID)))
+    {
+        Status = gRT->SetVariable(L"VentoyOsParam", &VarGuid, 
+                  EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+                  sizeof(g_backup_os_param_var), &(g_backup_os_param_var));
+        debug("restore efi variable %r", Status);
+    }
+    else
+    {
+        Status = gRT->SetVariable(L"VentoyOsParam", &VarGuid, 
                   EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
                   0, NULL);
-    debug("delete efi variable %r", Status);
+        debug("delete efi variable %r", Status);
+    }
 
     return Status;
 }
@@ -532,7 +580,7 @@ STATIC EFI_STATUS EFIAPI ventoy_find_iso_disk(IN EFI_HANDLE ImageHandle)
         if (CompareMem(g_chain->os_param.vtoy_disk_guid, pBuffer + 0x180, 16) == 0)
         {
             pMBR = (MBR_HEAD *)pBuffer;
-            if (pMBR->PartTbl[0].FsFlag != 0xEE)
+            if (g_os_param_reserved[6] == 0 && pMBR->PartTbl[0].FsFlag != 0xEE)
             {
                 if (pMBR->PartTbl[0].StartSectorId != 2048 ||
                     pMBR->PartTbl[1].SectorCount != 65536 ||
@@ -667,6 +715,106 @@ STATIC EFI_STATUS EFIAPI ventoy_load_isoefi_driver(IN EFI_HANDLE ImageHandle)
     return EFI_SUCCESS;
 }
 
+STATIC EFI_STATUS ventoy_proc_img_replace_name(ventoy_grub_param_file_replace *replace)
+{
+    UINT32 i;
+    char tmp[256];
+
+    if (replace->magic != GRUB_IMG_REPLACE_MAGIC)
+    {
+        return EFI_SUCCESS;
+    }
+
+    if (replace->old_file_name[0][0] == 0)
+    {
+        return EFI_SUCCESS;
+    }
+
+    AsciiStrCpyS(tmp, sizeof(tmp), replace->old_file_name[0]);
+    
+    for (i = 0; i < 256 && tmp[i]; i++)
+    {
+        if (tmp[i] == '/')
+        {
+            tmp[i] = '\\';
+        }
+    }
+
+    AsciiStrCpyS(replace->old_file_name[0], 256, tmp);
+    return EFI_SUCCESS;
+}
+
+EFI_STATUS EFIAPI ventoy_get_variable_wrapper
+(
+    IN     CHAR16                      *VariableName,
+    IN     EFI_GUID                    *VendorGuid,
+    OUT    UINT32                      *Attributes,    OPTIONAL
+    IN OUT UINTN                       *DataSize,
+    OUT    VOID                        *Data           OPTIONAL
+)
+{
+    EFI_STATUS Status = EFI_SUCCESS;
+    
+    Status = g_org_get_variable(VariableName, VendorGuid, Attributes, DataSize, Data);
+    if (StrCmp(VariableName, L"SecureBoot") == 0)
+    {
+        if ((*DataSize == 1) && Data)
+        {
+            *(UINT8 *)Data = 0;
+        }
+    }
+
+    return Status;
+}
+
+EFI_STATUS EFIAPI ventoy_exit_boot_service_wrapper
+(
+    IN  EFI_HANDLE                   ImageHandle,
+    IN  UINTN                        MapKey
+)
+{
+    if (g_org_get_variable)
+    {
+        gRT->GetVariable = g_org_get_variable;
+        g_org_get_variable = NULL;
+    }
+    
+    return g_org_exit_boot_service(ImageHandle, MapKey);
+}
+
+STATIC EFI_STATUS EFIAPI ventoy_disable_secure_boot(IN EFI_HANDLE ImageHandle)
+{
+    UINT8 Value = 0;
+    UINTN DataSize = 1;
+    EFI_STATUS Status = EFI_SUCCESS;
+
+    Status = gRT->GetVariable(L"SecureBoot", &gEfiGlobalVariableGuid, NULL, &DataSize, &Value);
+    if (!EFI_ERROR(Status))
+    {
+        if (DataSize == 1 && Value == 0)
+        {
+            debug("Current secure boot is off, no need to disable");
+            return EFI_SUCCESS;
+        }
+    }
+
+    debug("ventoy_disable_secure_boot");
+
+    /* step1: wrapper security protocol. */
+    /* Do we still need it since we have been loaded ? */
+    
+    
+    /* step2: fake SecureBoot variable */
+    g_org_exit_boot_service = gBS->ExitBootServices;
+    gBS->ExitBootServices = ventoy_exit_boot_service_wrapper;
+    
+    g_org_get_variable = gRT->GetVariable;
+    gRT->GetVariable = ventoy_get_variable_wrapper;
+
+    return EFI_SUCCESS;
+}
+
+
 STATIC EFI_STATUS EFIAPI ventoy_parse_cmdline(IN EFI_HANDLE ImageHandle)
 {   
     UINT32 i = 0;
@@ -777,6 +925,19 @@ STATIC EFI_STATUS EFIAPI ventoy_parse_cmdline(IN EFI_HANDLE ImageHandle)
         old_cnt > 3 ? g_file_replace_list->old_file_name[3] : ""
         );
 
+    g_img_replace_list = &pGrubParam->img_replace;
+    ventoy_proc_img_replace_name(g_img_replace_list);
+    old_cnt = g_img_replace_list->old_file_cnt;
+    debug("img replace: magic:0x%x virtid:%u name count:%u <%a> <%a> <%a> <%a>",
+        g_img_replace_list->magic,
+        g_img_replace_list->new_file_virtual_id,
+        old_cnt,
+        old_cnt > 0 ? g_img_replace_list->old_file_name[0] : "",
+        old_cnt > 1 ? g_img_replace_list->old_file_name[1] : "",
+        old_cnt > 2 ? g_img_replace_list->old_file_name[2] : "",
+        old_cnt > 3 ? g_img_replace_list->old_file_name[3] : ""
+        );
+    
     pPos = StrStr(pCmdLine, L"mem:");
     chain = (ventoy_chain_head *)StrHexToUintn(pPos + 4);
 
@@ -797,6 +958,7 @@ STATIC EFI_STATUS EFIAPI ventoy_parse_cmdline(IN EFI_HANDLE ImageHandle)
         debug("memdisk mode iso_buf_size:%u", g_iso_buf_size);
 
         g_chain = chain;
+        g_os_param_reserved = (UINT8 *)(g_chain->os_param.vtoy_reserved);
         gMemdiskMode = TRUE;
     }
     else
@@ -824,6 +986,11 @@ STATIC EFI_STATUS EFIAPI ventoy_parse_cmdline(IN EFI_HANDLE ImageHandle)
         {
             g_hook_keyboard = TRUE;
         }
+        
+        if (g_os_param_reserved[5] == 1 && g_os_param_reserved[2] == ventoy_chain_linux)
+        {
+            ventoy_disable_secure_boot(ImageHandle);
+        }
 
         debug("internal param: secover:%u keyboard:%u", g_fixup_iso9660_secover_enable, g_hook_keyboard);
 
@@ -1010,7 +1177,8 @@ EFI_STATUS EFIAPI ventoy_boot(IN EFI_HANDLE ImageHandle)
                 gST->ConIn->Reset(gST->ConIn, FALSE);
             }
             
-            if (g_file_replace_list && g_file_replace_list->magic == GRUB_FILE_REPLACE_MAGIC)
+            if ((g_file_replace_list && g_file_replace_list->magic == GRUB_FILE_REPLACE_MAGIC) ||
+                (g_img_replace_list && g_img_replace_list->magic == GRUB_IMG_REPLACE_MAGIC))
             {
                 ventoy_wrapper_push_openvolume(pFile->OpenVolume);
                 pFile->OpenVolume = ventoy_wrapper_open_volume;
@@ -1085,6 +1253,8 @@ EFI_STATUS EFIAPI VentoyEfiMain
         return Status;
     }
 
+    ventoy_disable_ex_filesystem();
+
     if (gMemdiskMode)
     {
         g_ramdisk_param.PhyAddr = (UINT64)(UINTN)g_iso_data_buf;
@@ -1159,6 +1329,8 @@ EFI_STATUS EFIAPI VentoyEfiMain
         grub_env_set("vtoy_dotefi_retry", "YES");            
     }
 
+    ventoy_enable_ex_filesystem();
+
     return EFI_SUCCESS;
 }
 

EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/Ventoy/Ventoy.h

@@ -169,7 +169,6 @@ typedef struct ventoy_virt_chunk
 	{ 0x37b87ac6, 0xc180, 0x4583, { 0xa7, 0x05, 0x41, 0x4d, 0xa8, 0xf7, 0x7e, 0xd2 }}
 
 
-#define VTOY_BLOCK_DEVICE_PATH_NAME  L"ventoy"
 
 #if   defined (MDE_CPU_IA32)
   #define VENTOY_UEFI_DESC   L"IA32 UEFI"
@@ -244,6 +243,7 @@ typedef int (*grub_env_printf_pf)(const char *fmt, ...);
 #pragma pack(1)
 
 #define GRUB_FILE_REPLACE_MAGIC  0x1258BEEF
+#define GRUB_IMG_REPLACE_MAGIC   0x1259BEEF
 
 typedef struct ventoy_efi_file_replace
 {
@@ -268,6 +268,7 @@ typedef struct ventoy_grub_param
     grub_env_get_pf grub_env_get;
     grub_env_set_pf grub_env_set;
     ventoy_grub_param_file_replace file_replace;
+    ventoy_grub_param_file_replace img_replace;
     grub_env_printf_pf grub_env_printf;    
 }ventoy_grub_param;
 
@@ -344,6 +345,14 @@ typedef struct ventoy_system_wrapper
     EFI_LOCATE_DEVICE_PATH OriLocateDevicePath;
 } ventoy_system_wrapper;
 
+
+#define MAX_DRIVER_BIND_WRAPPER  64
+typedef struct DriverBindWrapper
+{
+    EFI_DRIVER_BINDING_PROTOCOL *DriverBinding;
+    EFI_DRIVER_BINDING_SUPPORTED pfOldSupport;
+}DRIVER_BIND_WRAPPER;
+
 #define ventoy_wrapper(bs, wrapper, func, newfunc) \
 {\
     wrapper.Ori##func = bs->func;\
@@ -351,6 +360,22 @@ typedef struct ventoy_system_wrapper
     bs->func = wrapper.New##func;\
 }
 
+
+#define VENTOY_GET_COMPONENT_NAME(Protocol, DriverName) \
+{\
+    DriverName = NULL;\
+    Status = Protocol->GetDriverName(Protocol, "en", &DriverName);\
+    if (EFI_ERROR(Status) || NULL == DriverName) \
+    {\
+        DriverName = NULL;\
+        Status = Protocol->GetDriverName(Protocol, "eng", &DriverName);\
+        if (EFI_ERROR(Status) || NULL == DriverName) \
+        {\
+            continue;\
+        }\
+    }\
+}
+
 extern BOOLEAN gDebugPrint;
 VOID EFIAPI VtoyDebug(IN CONST CHAR8  *Format, ...);
 EFI_STATUS EFIAPI ventoy_wrapper_system(VOID);
@@ -373,6 +398,7 @@ extern ventoy_virt_chunk *g_virt_chunk;
 extern UINT32 g_virt_chunk_num;
 extern vtoy_block_data gBlockData;
 extern ventoy_efi_file_replace g_efi_file_replace;
+extern ventoy_efi_file_replace g_img_file_replace;
 extern ventoy_sector_flag *g_sector_flag;
 extern UINT32 g_sector_flag_num;
 extern BOOLEAN gMemdiskMode;
@@ -380,6 +406,7 @@ extern BOOLEAN gSector512Mode;
 extern UINTN g_iso_buf_size;
 extern UINT8 *g_iso_data_buf;
 extern ventoy_grub_param_file_replace *g_file_replace_list;
+extern ventoy_grub_param_file_replace *g_img_replace_list;
 extern BOOLEAN g_fixup_iso9660_secover_enable;
 extern EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *g_con_simple_input_ex;
 extern BOOLEAN g_fix_windows_1st_cdrom_issue;
@@ -396,6 +423,8 @@ EFI_STATUS ventoy_hook_keyboard_stop(VOID);
 BOOLEAN ventoy_is_cdrom_dp_exist(VOID);
 EFI_STATUS ventoy_hook_1st_cdrom_start(VOID);
 EFI_STATUS ventoy_hook_1st_cdrom_stop(VOID);
+EFI_STATUS ventoy_disable_ex_filesystem(VOID);
+EFI_STATUS ventoy_enable_ex_filesystem(VOID);
 
 #endif
 

EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/Ventoy/Ventoy.inf

@@ -42,6 +42,7 @@
   DebugLib
 
 [Guids]
+  gEfiGlobalVariableGuid
   gShellVariableGuid
   gEfiVirtualCdGuid
   gEfiFileInfoGuid

EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/Ventoy/VentoyDebug.c

@@ -34,6 +34,7 @@
 #include <Protocol/BlockIo.h>
 #include <Protocol/RamDisk.h>
 #include <Protocol/SimpleFileSystem.h>
+#include <Protocol/DriverBinding.h>
 #include <Ventoy.h>
 
 #define PROCOTOL_SLEEP_MSECONDS  0

EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/Ventoy/VentoyProtocol.c

@@ -34,8 +34,12 @@
 #include <Protocol/BlockIo.h>
 #include <Protocol/RamDisk.h>
 #include <Protocol/SimpleFileSystem.h>
+#include <Protocol/DriverBinding.h>
 #include <Ventoy.h>
 
+#define ASSIGN_REPLACE(This, replace) \
+    replace = (This->FlushEx == ventoy_wrapper_file_flush_ex) ? &g_efi_file_replace : &g_img_file_replace
+
 UINT8 *g_iso_data_buf = NULL;
 UINTN g_iso_buf_size = 0;
 BOOLEAN gMemdiskMode = FALSE;
@@ -73,6 +77,9 @@ STATIC UINT8 g_sector_buf[2048];
 STATIC EFI_BLOCK_READ g_sector_2048_read = NULL;
 STATIC EFI_BLOCK_WRITE g_sector_2048_write = NULL;
 
+STATIC UINTN g_DriverBindWrapperCnt = 0;
+STATIC DRIVER_BIND_WRAPPER g_DriverBindWrapperList[MAX_DRIVER_BIND_WRAPPER];
+
 BOOLEAN ventoy_is_cdrom_dp_exist(VOID)
 {
     UINTN i = 0;
@@ -148,7 +155,7 @@ STATIC EFI_STATUS EFIAPI ventoy_read_iso_sector
     ventoy_override_chunk *pOverride = g_override_chunk;
     EFI_BLOCK_IO_PROTOCOL *pRawBlockIo = gBlockData.pRawBlockIo;
     
-    debug("read iso sector %lu  count %u", Sector, Count);
+    debug("read iso sector %lu count %u Buffer:%p Align:%u", Sector, Count, Buffer, pRawBlockIo->Media->IoAlign);
 
     ReadStart = Sector * 2048;
     ReadEnd = (Sector + Count) * 2048;
@@ -173,7 +180,6 @@ STATIC EFI_STATUS EFIAPI ventoy_read_iso_sector
             {
                 MapLba = ((Sector - pchunk->img_start_sector) >> 1) + pchunk->disk_start_sector;
             }
-            
 
             secLeft = pchunk->img_end_sector + 1 - Sector;
             secRead = (Count < secLeft) ? Count : secLeft;
@@ -182,7 +188,7 @@ STATIC EFI_STATUS EFIAPI ventoy_read_iso_sector
                                      MapLba, secRead * 2048, pCurBuf);
             if (EFI_ERROR(Status))
             {
-                debug("Raw disk read block failed %r LBA:%lu Count:%u", Status, MapLba, secRead);
+                debug("Raw disk read block failed %r LBA:%lu Count:%u %p", Status, MapLba, secRead, pCurBuf);
                 return Status;
             }
 
@@ -425,7 +431,7 @@ end:
     return Lba;
 }
 
-EFI_STATUS EFIAPI ventoy_block_io_read 
+EFI_STATUS EFIAPI ventoy_block_io_read_real 
 (
     IN EFI_BLOCK_IO_PROTOCOL          *This,
     IN UINT32                          MediaId,
@@ -447,7 +453,7 @@ EFI_STATUS EFIAPI ventoy_block_io_read
     ventoy_sector_flag *cur_flag;
     ventoy_virt_chunk *node;
     
-    //debug("### ventoy_block_io_read sector:%u count:%u", (UINT32)Lba, (UINT32)BufferSize / 2048);
+    debug("### block_io_read_real sector:%u count:%u Buffer:%p", (UINT32)Lba, (UINT32)BufferSize / 2048, Buffer);
 
     secNum = BufferSize / 2048;
 
@@ -484,6 +490,8 @@ EFI_STATUS EFIAPI ventoy_block_io_read
         secNum = VirtSec - Lba;
     }
 
+    debug("XXX block_io_read_real sector:%u count:%u Buffer:%p", (UINT32)Lba, (UINT32)BufferSize / 2048, Buffer);
+
     if (secNum > g_sector_flag_num)
     {
         cur_flag = AllocatePool(secNum * sizeof(ventoy_sector_flag));
@@ -551,6 +559,42 @@ EFI_STATUS EFIAPI ventoy_block_io_read
 	return EFI_SUCCESS;
 }
 
+EFI_STATUS EFIAPI ventoy_block_io_read
+(
+    IN EFI_BLOCK_IO_PROTOCOL          *This,
+    IN UINT32                          MediaId,
+    IN EFI_LBA                         Lba,
+    IN UINTN                           BufferSize,
+    OUT VOID                          *Buffer
+) 
+{
+    UINT32 IoAlign = 0;
+    VOID *NewBuf = NULL;
+    EFI_STATUS Status = EFI_OUT_OF_RESOURCES;
+
+    if (gBlockData.pRawBlockIo && gBlockData.pRawBlockIo->Media)
+    {
+        IoAlign = gBlockData.pRawBlockIo->Media->IoAlign;
+    }
+
+    if ((IoAlign == 0) || (((UINTN) Buffer & (IoAlign - 1)) == 0))
+    {
+        Status = ventoy_block_io_read_real(This, MediaId, Lba, BufferSize, Buffer);
+    }
+    else
+    {
+        NewBuf = AllocatePages(EFI_SIZE_TO_PAGES(BufferSize + IoAlign));
+        if (NewBuf)
+        {
+            Status = ventoy_block_io_read_real(This, MediaId, Lba, BufferSize, NewBuf);
+            CopyMem(Buffer, NewBuf, BufferSize);
+            FreePages(NewBuf, EFI_SIZE_TO_PAGES(BufferSize + IoAlign));
+        }
+    }
+
+    return Status;
+}
+
 EFI_STATUS EFIAPI ventoy_block_io_write 
 (
     IN EFI_BLOCK_IO_PROTOCOL          *This,
@@ -583,26 +627,74 @@ EFI_STATUS EFIAPI ventoy_block_io_flush(IN EFI_BLOCK_IO_PROTOCOL *This)
 	return EFI_SUCCESS;
 }
 
+STATIC UINTN ventoy_get_current_device_path_id(VOID)
+{
+    UINTN i = 0;
+    UINTN Count = 0;
+    UINTN MaxId = 0;
+    UINTN CurId = 0;
+    BOOLEAN Find = FALSE;
+    EFI_HANDLE *Handles = NULL;
+    EFI_STATUS Status = EFI_SUCCESS;
+    EFI_DEVICE_PATH_PROTOCOL *DevicePath = NULL;
+    VENDOR_DEVICE_PATH *venPath = NULL;
+    
+    Status = gBS->LocateHandleBuffer(ByProtocol, &gEfiDevicePathProtocolGuid, 
+                                     NULL, &Count, &Handles);
+    if (EFI_ERROR(Status))
+    {
+        return 0;
+    }
+
+    for (i = 0; i < Count; i++)
+    {
+        Status = gBS->HandleProtocol(Handles[i], &gEfiDevicePathProtocolGuid, (VOID **)&DevicePath);
+        if (EFI_ERROR(Status))
+        {
+            continue;
+        }
+
+        if (DevicePath->Type == HARDWARE_DEVICE_PATH && DevicePath->SubType == HW_VENDOR_DP)
+        {
+            venPath = (VENDOR_DEVICE_PATH *)DevicePath;
+            if (CompareGuid(&venPath->Guid, &gVtoyBlockDevicePathGuid))
+            {
+                CurId = StrDecimalToUintn((CHAR16 *)(venPath + 1) + StrLen(L"ventoy_"));
+                MaxId = MAX(MaxId, CurId);
+                Find = TRUE;
+            }
+        }
+    }
+
+    FreePool(Handles);
+
+    return Find ? (MaxId + 1) : 0;
+}
 
 EFI_STATUS EFIAPI ventoy_fill_device_path(VOID)
 {
+    UINTN CurVtoyDpId = 0;
     UINTN NameLen = 0;
     UINT8 TmpBuf[128] = {0};
     VENDOR_DEVICE_PATH *venPath = NULL;
+    CHAR16 VtoyDpName[32];
+
+    CurVtoyDpId = ventoy_get_current_device_path_id();
+    UnicodeSPrintAsciiFormat(VtoyDpName, sizeof(VtoyDpName), "ventoy_%03lu", CurVtoyDpId);
 
     venPath = (VENDOR_DEVICE_PATH *)TmpBuf;
-    NameLen = StrSize(VTOY_BLOCK_DEVICE_PATH_NAME);
+    NameLen = StrSize(VtoyDpName);
     venPath->Header.Type = HARDWARE_DEVICE_PATH;
     venPath->Header.SubType = HW_VENDOR_DP;
     venPath->Header.Length[0] = sizeof(VENDOR_DEVICE_PATH) + NameLen;
     venPath->Header.Length[1] = 0;
     CopyMem(&venPath->Guid, &gVtoyBlockDevicePathGuid, sizeof(EFI_GUID));
-    CopyMem(venPath + 1, VTOY_BLOCK_DEVICE_PATH_NAME, NameLen);
+    CopyMem(venPath + 1, VtoyDpName, NameLen);
     
     gBlockData.Path = AppendDevicePathNode(NULL, (EFI_DEVICE_PATH_PROTOCOL *)TmpBuf);
     gBlockData.DevicePathCompareLen = sizeof(VENDOR_DEVICE_PATH) + NameLen;
 
-    debug("gBlockData.Path=<%s>\n", ConvertDevicePathToText(gBlockData.Path, FALSE, FALSE));
+    debug("gBlockData.Path=<%lu><%s>\n", CurVtoyDpId, ConvertDevicePathToText(gBlockData.Path, FALSE, FALSE));
 
     return EFI_SUCCESS;
 }
@@ -635,11 +727,7 @@ EFI_STATUS EFIAPI ventoy_connect_driver(IN EFI_HANDLE ControllerHandle, IN CONST
             continue;
         }
 
-        Status = Name2Protocol->GetDriverName(Name2Protocol, "en", &DriverName);
-        if (EFI_ERROR(Status) || NULL == DriverName)
-        {
-            continue;
-        }
+        VENTOY_GET_COMPONENT_NAME(Name2Protocol, DriverName);
 
         if (StrStr(DriverName, DrvName))
         {
@@ -677,11 +765,7 @@ EFI_STATUS EFIAPI ventoy_connect_driver(IN EFI_HANDLE ControllerHandle, IN CONST
             continue;
         }
 
-        Status = NameProtocol->GetDriverName(NameProtocol, "en", &DriverName);
-        if (EFI_ERROR(Status))
-        {
-            continue;
-        }
+        VENTOY_GET_COMPONENT_NAME(NameProtocol, DriverName);
 
         if (StrStr(DriverName, DrvName))
         {
@@ -706,6 +790,223 @@ end:
     return Status;
 }
 
+
+STATIC BOOLEAN ventoy_filesystem_need_wrapper(IN CONST CHAR16 *DrvName)
+{
+    UINTN i;
+    CHAR16 UpperDrvName[256];
+
+    StrCpyS(UpperDrvName, 256, DrvName);
+
+    for (i = 0; i < 256 && UpperDrvName[i]; i++)
+    {
+        if (UpperDrvName[i] >= 'a' && UpperDrvName[i] <= 'z')
+        {
+            UpperDrvName[i] = 'A' + (UpperDrvName[i] - 'a');
+        }
+    }
+
+    /*
+     * suppress some file system drivers 
+     *  1. rEFInd File System Driver
+     *
+     */
+    
+    if (StrStr(UpperDrvName, L"REFIND") && StrStr(UpperDrvName, L"FILE SYSTEM"))
+    {
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+STATIC VOID ventoy_add_filesystem_wrapper
+(
+    IN EFI_DRIVER_BINDING_PROTOCOL *DriverBindProtocol, 
+    IN CONST CHAR16 *DriverName
+)
+{
+    UINTN j;
+
+    if (g_DriverBindWrapperCnt >= MAX_DRIVER_BIND_WRAPPER)
+    {
+        debug("driver binding wrapper overflow %lu", g_DriverBindWrapperCnt);
+        return;
+    }
+
+    if (!ventoy_filesystem_need_wrapper(DriverName))
+    {
+        return;
+    }
+
+    for (j = 0; j < g_DriverBindWrapperCnt; j++)
+    {
+        if (g_DriverBindWrapperList[j].DriverBinding == DriverBindProtocol)
+        {
+            debug("Duplicate driverbinding <%s> %p %lu %lu", DriverName, DriverBindProtocol, j, g_DriverBindWrapperCnt);
+            break;
+        }
+    }
+
+    if (j >= g_DriverBindWrapperCnt)
+    {
+        g_DriverBindWrapperList[g_DriverBindWrapperCnt].DriverBinding = DriverBindProtocol;
+        g_DriverBindWrapperList[g_DriverBindWrapperCnt].pfOldSupport = DriverBindProtocol->Supported;
+        g_DriverBindWrapperCnt++;
+        debug("Add driverbinding <%s> %p %lu", DriverName, DriverBindProtocol, g_DriverBindWrapperCnt);
+    }
+}
+
+STATIC EFI_STATUS ventoy_find_filesystem_driverbind(VOID)
+{
+    UINTN i = 0;
+    UINTN Count = 0;
+    CHAR16 *DriverName = NULL;
+    EFI_HANDLE *Handles = NULL;
+    EFI_STATUS Status = EFI_SUCCESS;
+    EFI_COMPONENT_NAME_PROTOCOL *NameProtocol = NULL;
+    EFI_COMPONENT_NAME2_PROTOCOL *Name2Protocol = NULL;
+    EFI_DRIVER_BINDING_PROTOCOL *DriverBindProtocol = NULL;
+    
+    debug("ventoy_find_filesystem_driverbind...");
+
+    Status = gBS->LocateHandleBuffer(ByProtocol, &gEfiComponentName2ProtocolGuid, 
+                                     NULL, &Count, &Handles);
+    if (EFI_ERROR(Status))
+    {
+        return Status;
+    }
+
+    for (i = 0; i < Count; i++)
+    {
+        Status = gBS->HandleProtocol(Handles[i], &gEfiComponentName2ProtocolGuid, (VOID **)&Name2Protocol);
+        if (EFI_ERROR(Status))
+        {
+            continue;
+        }
+
+        VENTOY_GET_COMPONENT_NAME(Name2Protocol, DriverName);
+
+        Status = gBS->HandleProtocol(Handles[i], &gEfiDriverBindingProtocolGuid, (VOID **)&DriverBindProtocol);
+        if (EFI_ERROR(Status))
+        {
+            debug("### 2 No DriverBind <%s> <%r>", DriverName, Status);
+            continue;
+        }
+
+        ventoy_add_filesystem_wrapper(DriverBindProtocol, DriverName);
+    }
+
+    Count = 0;
+    FreePool(Handles);
+    Handles = NULL;
+
+    Status = gBS->LocateHandleBuffer(ByProtocol, &gEfiComponentNameProtocolGuid, 
+                                     NULL, &Count, &Handles);
+    if (EFI_ERROR(Status))
+    {
+        return Status;
+    }
+
+    for (i = 0; i < Count; i++)
+    {
+        Status = gBS->HandleProtocol(Handles[i], &gEfiComponentNameProtocolGuid, (VOID **)&NameProtocol);
+        if (EFI_ERROR(Status))
+        {
+            continue;
+        }
+
+        VENTOY_GET_COMPONENT_NAME(NameProtocol, DriverName);
+
+        Status = gBS->HandleProtocol(Handles[i], &gEfiDriverBindingProtocolGuid, (VOID **)&DriverBindProtocol);
+        if (EFI_ERROR(Status))
+        {
+            debug("### 1 No DriverBind <%s> <%r>", DriverName, Status);
+            continue;
+        }
+
+        ventoy_add_filesystem_wrapper(DriverBindProtocol, DriverName);
+    }
+
+    FreePool(Handles);
+    
+    return EFI_SUCCESS;
+}
+
+STATIC EFI_STATUS EFIAPI ventoy_wrapper_driver_bind_support
+(
+    IN EFI_DRIVER_BINDING_PROTOCOL            *This,
+    IN EFI_HANDLE                              ControllerHandle,
+    IN EFI_DEVICE_PATH_PROTOCOL               *RemainingDevicePath OPTIONAL
+)
+{
+    UINTN i;
+    EFI_STATUS Status = EFI_SUCCESS;
+    EFI_DEVICE_PATH_PROTOCOL *DevicePath = NULL;
+    EFI_DRIVER_BINDING_SUPPORTED pfOldSupport = NULL;
+
+    for (i = 0; i < g_DriverBindWrapperCnt; i++)
+    {
+        if (g_DriverBindWrapperList[i].DriverBinding == This)
+        {
+            pfOldSupport = g_DriverBindWrapperList[i].pfOldSupport;
+            break;
+        }
+    }
+
+    debug("ventoy_wrapper_driver_bind_support %lu %p", i, pfOldSupport);
+
+    if (!pfOldSupport)
+    {
+        return EFI_UNSUPPORTED;
+    }
+
+    Status = gBS->HandleProtocol(ControllerHandle, &gEfiDevicePathProtocolGuid, (VOID **)&DevicePath);
+    if (EFI_ERROR(Status))
+    {
+        goto out;
+    }
+
+    if (0 == CompareMem(gBlockData.Path, DevicePath, gBlockData.DevicePathCompareLen))
+    {
+        debug("return EFI_UNSUPPORTED for ventoy");
+        return EFI_UNSUPPORTED;
+    }
+
+out:
+    return pfOldSupport(This, ControllerHandle, RemainingDevicePath);
+}
+
+EFI_STATUS ventoy_disable_ex_filesystem(VOID)
+{
+    UINTN i;
+
+    ventoy_find_filesystem_driverbind();
+
+    for (i = 0; i < g_DriverBindWrapperCnt; i++)
+    {
+        g_DriverBindWrapperList[i].DriverBinding->Supported = ventoy_wrapper_driver_bind_support;
+    }
+
+    debug("Wrapper Ex Driver Binding %lu", g_DriverBindWrapperCnt);
+    ventoy_debug_pause();
+    
+    return EFI_SUCCESS;
+}
+
+EFI_STATUS ventoy_enable_ex_filesystem(VOID)
+{
+    UINTN i;
+
+    for (i = 0; i < g_DriverBindWrapperCnt; i++)
+    {
+        g_DriverBindWrapperList[i].DriverBinding->Supported = g_DriverBindWrapperList[i].pfOldSupport;
+    }
+    g_DriverBindWrapperCnt = 0;
+
+    return EFI_SUCCESS;
+}
+
 EFI_STATUS EFIAPI ventoy_block_io_read_512
 (
     IN EFI_BLOCK_IO_PROTOCOL          *This,
@@ -720,7 +1021,7 @@ EFI_STATUS EFIAPI ventoy_block_io_read_512
     UINT8 *CurBuf = NULL;
     EFI_STATUS Status = EFI_SUCCESS;
 
-    debug("ventoy_block_io_read_512 %lu %lu\n", Lba, BufferSize / 512);
+    debug("ventoy_block_io_read_512 %lu %lu Buffer:%p\n", Lba, BufferSize / 512, Buffer);
 
     CurBuf = (UINT8 *)Buffer;
 
@@ -840,14 +1141,15 @@ EFI_STATUS EFIAPI ventoy_install_blockio(IN EFI_HANDLE ImageHandle, IN UINT64 Im
     {
         gBlockData.Media.BlockSize = 512;
         gBlockData.Media.LastBlock = ImgSize / 512 - 1;
+        gBlockData.Media.ReadOnly = FALSE;
     }
     else
     {
         gBlockData.Media.BlockSize = 2048;
         gBlockData.Media.LastBlock = ImgSize / 2048 - 1;        
+        gBlockData.Media.ReadOnly = TRUE;
     }
     
-    gBlockData.Media.ReadOnly = TRUE;
     gBlockData.Media.MediaPresent = 1;
     gBlockData.Media.LogicalBlocksPerPhysicalBlock = 1;
 
@@ -946,6 +1248,15 @@ ventoy_wrapper_file_flush_ex(EFI_FILE_HANDLE This, EFI_FILE_IO_TOKEN *Token)
 	return EFI_SUCCESS;
 }
 
+/* Ex version */
+STATIC EFI_STATUS EFIAPI
+ventoy_wrapper_file_flush_ex_img(EFI_FILE_HANDLE This, EFI_FILE_IO_TOKEN *Token)
+{
+    (VOID)This;
+    (VOID)Token;
+	return EFI_SUCCESS;
+}
+
 
 STATIC EFI_STATUS EFIAPI
 ventoy_wrapper_file_write(EFI_FILE_HANDLE This, UINTN *Len, VOID *Data)
@@ -971,19 +1282,20 @@ ventoy_wrapper_file_close(EFI_FILE_HANDLE This)
     return EFI_SUCCESS;
 }
 
-
 STATIC EFI_STATUS EFIAPI
 ventoy_wrapper_file_set_pos(EFI_FILE_HANDLE This, UINT64 Position)
 {
-    (VOID)This;
-        
-    if (Position <= g_efi_file_replace.FileSizeBytes)
+    ventoy_efi_file_replace *replace = NULL;
+
+    ASSIGN_REPLACE(This, replace);
+    
+    if (Position <= replace->FileSizeBytes)
     {
-        g_efi_file_replace.CurPos = Position;
+        replace->CurPos = Position;
     }
     else
     {
-        g_efi_file_replace.CurPos = g_efi_file_replace.FileSizeBytes;
+        replace->CurPos = replace->FileSizeBytes;
     }
     
     return EFI_SUCCESS;
@@ -992,9 +1304,11 @@ ventoy_wrapper_file_set_pos(EFI_FILE_HANDLE This, UINT64 Position)
 STATIC EFI_STATUS EFIAPI
 ventoy_wrapper_file_get_pos(EFI_FILE_HANDLE This, UINT64 *Position)
 {
-    (VOID)This;
+    ventoy_efi_file_replace *replace = NULL;
 
-    *Position = g_efi_file_replace.CurPos;
+    ASSIGN_REPLACE(This, replace);
+
+    *Position = replace->CurPos;
 
     return EFI_SUCCESS;
 }
@@ -1004,6 +1318,9 @@ STATIC EFI_STATUS EFIAPI
 ventoy_wrapper_file_get_info(EFI_FILE_HANDLE This, EFI_GUID *Type, UINTN *Len, VOID *Data)
 {
     EFI_FILE_INFO *Info = (EFI_FILE_INFO *) Data;
+    ventoy_efi_file_replace *replace = NULL;
+
+    ASSIGN_REPLACE(This, replace);
 
     debug("ventoy_wrapper_file_get_info ... %u", *Len);
 
@@ -1021,8 +1338,8 @@ ventoy_wrapper_file_get_info(EFI_FILE_HANDLE This, EFI_GUID *Type, UINTN *Len, V
     ZeroMem(Data, sizeof(EFI_FILE_INFO));
 
     Info->Size = sizeof(EFI_FILE_INFO);
-    Info->FileSize = g_efi_file_replace.FileSizeBytes;
-    Info->PhysicalSize = g_efi_file_replace.FileSizeBytes;
+    Info->FileSize = replace->FileSizeBytes;
+    Info->PhysicalSize = replace->FileSizeBytes;
     Info->Attribute = EFI_FILE_READ_ONLY;
     //Info->FileName = EFI_FILE_READ_ONLY;
 
@@ -1036,23 +1353,24 @@ ventoy_wrapper_file_read(EFI_FILE_HANDLE This, UINTN *Len, VOID *Data)
 {
     EFI_LBA Lba;
     UINTN ReadLen = *Len;
-    
-    (VOID)This;
+    ventoy_efi_file_replace *replace = NULL;
 
+    ASSIGN_REPLACE(This, replace);
+    
     debug("ventoy_wrapper_file_read ... %u", *Len);
 
-    if (g_efi_file_replace.CurPos + ReadLen > g_efi_file_replace.FileSizeBytes)
+    if (replace->CurPos + ReadLen > replace->FileSizeBytes)
     {
-        ReadLen = g_efi_file_replace.FileSizeBytes - g_efi_file_replace.CurPos;
+        ReadLen = replace->FileSizeBytes - replace->CurPos;
     }
 
-    Lba = g_efi_file_replace.CurPos / 2048 + g_efi_file_replace.BlockIoSectorStart;
+    Lba = replace->CurPos / 2048 + replace->BlockIoSectorStart;
 
     ventoy_block_io_read(NULL, 0, Lba, ReadLen, Data);
 
     *Len = ReadLen;
 
-    g_efi_file_replace.CurPos += ReadLen;
+    replace->CurPos += ReadLen;
 
     return EFI_SUCCESS;
 }
@@ -1063,7 +1381,7 @@ ventoy_wrapper_file_read_ex(IN EFI_FILE_PROTOCOL *This, IN OUT EFI_FILE_IO_TOKEN
 	return ventoy_wrapper_file_read(This, &(Token->BufferSize), Token->Buffer);
 }
 
-STATIC EFI_STATUS EFIAPI ventoy_wrapper_file_procotol(EFI_FILE_PROTOCOL *File)
+STATIC EFI_STATUS EFIAPI ventoy_wrapper_file_procotol(EFI_FILE_PROTOCOL *File, BOOLEAN Img)
 {
     File->Revision    = EFI_FILE_PROTOCOL_REVISION2;
     File->Open        = ventoy_wrapper_fs_open;
@@ -1079,7 +1397,7 @@ STATIC EFI_STATUS EFIAPI ventoy_wrapper_file_procotol(EFI_FILE_PROTOCOL *File)
     File->OpenEx      = ventoy_wrapper_file_open_ex;
     File->ReadEx      = ventoy_wrapper_file_read_ex;
     File->WriteEx     = ventoy_wrapper_file_write_ex;
-    File->FlushEx     = ventoy_wrapper_file_flush_ex;
+    File->FlushEx     = Img ? ventoy_wrapper_file_flush_ex_img : ventoy_wrapper_file_flush_ex;
 
     return EFI_SUCCESS;
 }
@@ -1098,16 +1416,28 @@ STATIC EFI_STATUS EFIAPI ventoy_wrapper_file_open
     UINT64 Sectors = 0;
     EFI_STATUS Status = EFI_SUCCESS;
     CHAR8 TmpName[256];
+    CHAR8 OldName[256];
     ventoy_virt_chunk *virt = NULL;
 
     debug("## ventoy_wrapper_file_open <%s> ", Name);
 
+    if ((Mode & EFI_FILE_MODE_WRITE) > 0 && StrCmp(Name, L"\\loader\\random-seed") == 0)
+    {
+        if (gDebugPrint)
+        {
+            debug("## ventoy_wrapper_file_open return NOT_FOUND for random-seed %lx", Mode);
+            sleep(3);
+        }
+        return EFI_NOT_FOUND;
+    }
+
     Status = g_original_fopen(This, New, Name, Mode, Attributes);
     if (EFI_ERROR(Status))
     {
         return Status;
     }
 
+
     if (g_file_replace_list && g_file_replace_list->magic == GRUB_FILE_REPLACE_MAGIC &&
         g_file_replace_list->new_file_virtual_id < g_virt_chunk_num)
     {
@@ -1118,7 +1448,7 @@ STATIC EFI_STATUS EFIAPI ventoy_wrapper_file_open
             {
                 g_original_fclose(*New);
                 *New = &g_efi_file_replace.WrapperHandle;
-                ventoy_wrapper_file_procotol(*New);
+                ventoy_wrapper_file_procotol(*New, FALSE);
 
                 virt = g_virt_chunk + g_file_replace_list->new_file_virtual_id;
 
@@ -1144,6 +1474,49 @@ STATIC EFI_STATUS EFIAPI ventoy_wrapper_file_open
         }
     }
 
+
+
+    if (g_img_replace_list && g_img_replace_list->magic == GRUB_IMG_REPLACE_MAGIC &&
+        g_img_replace_list->new_file_virtual_id < g_virt_chunk_num)
+    {
+        AsciiSPrint(TmpName, sizeof(TmpName), "%s", Name);
+        for (j = 0; j < g_img_replace_list->old_file_cnt; j++)
+        {
+            AsciiStrCpyS(OldName, sizeof(OldName), g_img_replace_list[i].old_file_name[j]);
+            if ((0 == AsciiStrCmp(OldName, TmpName)) ||
+                 (AsciiStrnCmp(OldName, "\\loader\\entries\\", 16) == 0 && 
+                  AsciiStrCmp(OldName + 16, TmpName) == 0
+                  )  
+                )
+            {
+                g_original_fclose(*New);
+                *New = &g_img_file_replace.WrapperHandle;
+                ventoy_wrapper_file_procotol(*New, TRUE);
+
+                virt = g_virt_chunk + g_img_replace_list->new_file_virtual_id;
+
+                Sectors = (virt->mem_sector_end - virt->mem_sector_start) + (virt->remap_sector_end - virt->remap_sector_start);
+                
+                g_img_file_replace.BlockIoSectorStart = virt->mem_sector_start;
+                g_img_file_replace.FileSizeBytes = Sectors * 2048;
+
+                if (gDebugPrint)
+                {
+                    debug("## ventoy_wrapper_file_open2 <%s> BlockStart:%lu Sectors:%lu Bytes:%lu", Name,
+                        g_img_file_replace.BlockIoSectorStart, Sectors, Sectors * 2048);
+                    sleep(3);
+                }
+                
+                return Status;
+            }
+        }
+
+        if (StrCmp(Name, L"\\loader\\entries") == 0)
+        {
+            (*New)->Open = ventoy_wrapper_file_open;
+        }
+    }
+
     return Status;
 }
 

EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/VtoyUtil/VtoyDrv.c

@@ -0,0 +1,140 @@
+/******************************************************************************
+ * VtoyDrv.c
+ *
+ * Copyright (c) 2020, longpanda <admin@ventoy.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <Uefi.h>
+#include <Library/DebugLib.h>
+#include <Library/PrintLib.h>
+#include <Library/UefiLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DevicePathLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/UefiApplicationEntryPoint.h>
+#include <Protocol/LoadedImage.h>
+#include <Guid/FileInfo.h>
+#include <Guid/FileSystemInfo.h>
+#include <Protocol/BlockIo.h>
+#include <Protocol/RamDisk.h>
+#include <Protocol/SimpleFileSystem.h>
+#include <VtoyUtil.h>
+
+STATIC UINTN g_EfiDriverNameCnt = 0;
+STATIC CHAR16 *g_EfiDriverNameList[1024] = { NULL };
+
+STATIC EFI_STATUS AddEfiDriverName(IN CHAR16 *DriverName)
+{
+    UINTN i = 0;
+
+    if (g_EfiDriverNameCnt >= 1024)
+    {
+        return EFI_OUT_OF_RESOURCES;
+    }
+
+    for (i = 0; i < g_EfiDriverNameCnt; i++)
+    {
+        if (g_EfiDriverNameList[i] && StrCmp(g_EfiDriverNameList[i], DriverName) == 0)
+        {
+            break;
+        }
+    }
+
+    if (i >= g_EfiDriverNameCnt)
+    {
+        g_EfiDriverNameList[g_EfiDriverNameCnt] = DriverName;
+        g_EfiDriverNameCnt++;
+    }
+
+    return EFI_SUCCESS;
+}
+
+EFI_STATUS ShowEfiDrivers(IN EFI_HANDLE    ImageHandle, IN CONST CHAR16 *CmdLine)
+{
+    UINTN i = 0;
+    UINTN Count = 0;
+    CHAR16 *DriverName = NULL;
+    EFI_HANDLE *Handles = NULL;
+    EFI_STATUS Status = EFI_SUCCESS;
+    EFI_COMPONENT_NAME_PROTOCOL *NameProtocol = NULL;
+    EFI_COMPONENT_NAME2_PROTOCOL *Name2Protocol = NULL;
+    
+    (VOID)ImageHandle;
+    (VOID)CmdLine;
+
+    Status = gBS->LocateHandleBuffer(ByProtocol, &gEfiComponentName2ProtocolGuid, 
+                                     NULL, &Count, &Handles);
+    if (EFI_ERROR(Status))
+    {
+        return Status;
+    }
+
+    for (i = 0; i < Count; i++)
+    {
+        Status = gBS->HandleProtocol(Handles[i], &gEfiComponentName2ProtocolGuid, (VOID **)&Name2Protocol);
+        if (EFI_ERROR(Status))
+        {
+            continue;
+        }
+
+        DriverName = NULL;
+        Status = VtoyGetComponentName(2, Name2Protocol, &DriverName);
+        if ((!EFI_ERROR(Status)) && (DriverName))
+        {
+            AddEfiDriverName(DriverName);
+        }
+    }
+
+    Count = 0;
+    FreePool(Handles);
+    Handles = NULL;
+
+    Status = gBS->LocateHandleBuffer(ByProtocol, &gEfiComponentNameProtocolGuid, 
+                                     NULL, &Count, &Handles);
+    if (EFI_ERROR(Status))
+    {
+        return Status;
+    }
+
+    for (i = 0; i < Count; i++)
+    {
+        Status = gBS->HandleProtocol(Handles[i], &gEfiComponentNameProtocolGuid, (VOID **)&NameProtocol);
+        if (EFI_ERROR(Status))
+        {
+            continue;
+        }
+
+        DriverName = NULL;
+        Status = VtoyGetComponentName(1, Name2Protocol, &DriverName);
+        if ((!EFI_ERROR(Status)) && (DriverName))
+        {
+            AddEfiDriverName(DriverName);
+        }
+    }
+
+    FreePool(Handles);
+
+    for (i = 0; i < g_EfiDriverNameCnt; i++)
+    {
+        Printf("%2d  %s\n", i, g_EfiDriverNameList[i]);
+    }
+    
+    return EFI_SUCCESS;
+}
+

EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/VtoyUtil/VtoyUtil.c

@@ -44,8 +44,39 @@ STATIC grub_env_printf_pf g_env_printf = NULL;
 STATIC VtoyUtilFeature gFeatureList[] = 
 {
     { L"fix_windows_mmap", FixWindowsMemhole },
+    { L"show_efi_drivers", ShowEfiDrivers    },
 };
 
+EFI_STATUS VtoyGetComponentName(IN UINTN Ver, IN VOID *Protocol, OUT CHAR16 **DriverName)
+{
+    EFI_STATUS Status = EFI_SUCCESS;
+    CHAR16 *DrvName = NULL;
+    EFI_COMPONENT_NAME_PROTOCOL *NameProtocol = NULL;
+    EFI_COMPONENT_NAME2_PROTOCOL *Name2Protocol = NULL;
+
+    if (1 == Ver)
+    {
+        NameProtocol = (EFI_COMPONENT_NAME_PROTOCOL *)Protocol;
+        Status = NameProtocol->GetDriverName(Protocol, "en", &DrvName);
+        if (EFI_ERROR(Status) || NULL == DrvName)
+        {
+            Status = NameProtocol->GetDriverName(Protocol, "eng", &DrvName);
+        }
+    }
+    else
+    {
+        Name2Protocol = (EFI_COMPONENT_NAME2_PROTOCOL *)Protocol;
+        Status = Name2Protocol->GetDriverName(Protocol, "en", &DrvName);
+        if (EFI_ERROR(Status) || NULL == DrvName)
+        {
+            Status = Name2Protocol->GetDriverName(Protocol, "eng", &DrvName);
+        }
+    }
+
+    *DriverName = DrvName;
+    return Status;
+}
+
 VOID EFIAPI VtoyUtilDebug(IN CONST CHAR8  *Format, ...)
 {
     VA_LIST  Marker;

EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/VtoyUtil/VtoyUtil.h

@@ -41,6 +41,7 @@ typedef struct ventoy_grub_param
     grub_env_get_pf grub_env_get;
     grub_env_set_pf grub_env_set;
     ventoy_grub_param_file_replace file_replace;
+    ventoy_grub_param_file_replace img_replace;
     grub_env_printf_pf grub_env_printf;    
 }ventoy_grub_param;
 #pragma pack()
@@ -57,7 +58,9 @@ VOID EFIAPI VtoyUtilDebug(IN CONST CHAR8  *Format, ...);
 #define debug(expr, ...) if (gVtoyDebugPrint) VtoyUtilDebug("[VTOY] "expr"\n", ##__VA_ARGS__)
 #define Printf VtoyUtilDebug
 
+EFI_STATUS VtoyGetComponentName(IN UINTN Ver, IN VOID *Protocol, OUT CHAR16 **DriverName);
 EFI_STATUS FixWindowsMemhole(IN EFI_HANDLE    ImageHandle, IN CONST CHAR16 *CmdLine);
+EFI_STATUS ShowEfiDrivers(IN EFI_HANDLE    ImageHandle, IN CONST CHAR16 *CmdLine);
 
 #endif
 

EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/VtoyUtil/VtoyUtil.inf

@@ -28,6 +28,7 @@
 [Sources]
   VtoyUtil.h
   VtoyUtil.c
+  VtoyDrv.c
   Memhole.c
 
 [Packages]

GRUB2/MOD_SRC/grub-2.04/grub-core/Makefile.core.def

@@ -1603,6 +1603,7 @@ module = {
 module = {
   name = ventoy;
   common = ventoy/ventoy.c;
+  common = ventoy/ventoy_cmd.c;
   common = ventoy/ventoy_linux.c;
   common = ventoy/ventoy_unix.c;
   common = ventoy/ventoy_windows.c;

GRUB2/MOD_SRC/grub-2.04/grub-core/commands/hashsum.c

@@ -0,0 +1,349 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/dl.h>
+#include <grub/extcmd.h>
+#include <grub/file.h>
+#include <grub/disk.h>
+#include <grub/mm.h>
+#include <grub/misc.h>
+#include <grub/crypto.h>
+#include <grub/normal.h>
+#include <grub/i18n.h>
+
+GRUB_MOD_LICENSE ("GPLv3+");
+
+static const struct grub_arg_option options[] = {
+  {"hash", 'h', 0, N_("Specify hash to use."), N_("HASH"), ARG_TYPE_STRING},
+  {"check", 'c', 0, N_("Check hashes of files with hash list FILE."),
+   N_("FILE"), ARG_TYPE_STRING},
+  {"prefix", 'p', 0, N_("Base directory for hash list."), N_("DIR"),
+   ARG_TYPE_STRING},
+  {"keep-going", 'k', 0, N_("Don't stop after first error."), 0, 0},
+  {"uncompress", 'u', 0, N_("Uncompress file before checksumming."), 0, 0},
+  {0, 0, 0, 0, 0, 0}
+};
+
+static struct { const char *name; const char *hashname; } aliases[] = 
+  {
+    {"sha256sum", "sha256"},
+    {"sha512sum", "sha512"},
+    {"sha1sum", "sha1"},
+    {"md5sum", "md5"},
+    {"crc", "crc32"},
+  };
+
+static inline int
+hextoval (char c)
+{
+  if (c >= '0' && c <= '9')
+    return c - '0';
+  if (c >= 'a' && c <= 'f')
+    return c - 'a' + 10;
+  if (c >= 'A' && c <= 'F')
+    return c - 'A' + 10;
+  return -1;
+}
+
+static grub_err_t
+hash_file (grub_file_t file, const gcry_md_spec_t *hash, void *result)
+{
+  int progress = 0;
+  grub_uint64_t ro = 0;
+  grub_uint64_t div = 0;
+  grub_uint64_t total = 0;
+  void *context;
+  grub_uint8_t *readbuf;
+#define BUF_SIZE 1024 * 1024
+  readbuf = grub_malloc (BUF_SIZE);
+  if (!readbuf)
+    return grub_errno;
+  context = grub_zalloc (hash->contextsize);
+  if (!readbuf || !context)
+    goto fail;
+
+  if (file->size > 16 * 1024 * 1024)
+    progress = 1;
+
+  hash->init (context);
+  while (1)
+    {
+      grub_ssize_t r;
+      r = grub_file_read (file, readbuf, BUF_SIZE);
+      if (r < 0)
+	goto fail;
+      if (r == 0)
+	break;
+      hash->write (context, readbuf, r);
+      if (progress)
+      {
+          total += r;
+          div = grub_divmod64(total * 100, (grub_uint64_t)file->size, &ro);
+          grub_printf("\rCalculating    %s   %d%%    ", hash->name, (int)div);
+          grub_refresh();
+      }
+    }
+  hash->final (context);
+  grub_memcpy (result, hash->read (context), hash->mdlen);
+
+  grub_free (readbuf);
+  grub_free (context);
+  if (progress)
+  {
+    grub_printf("\rCalculating    %s   100%%    \n\r\n", hash->name);
+    grub_refresh();      
+  }
+  return GRUB_ERR_NONE;
+
+ fail:
+  grub_free (readbuf);
+  grub_free (context);
+  return grub_errno;
+}
+
+static grub_err_t
+check_list (const gcry_md_spec_t *hash, const char *hashfilename,
+	    const char *prefix, int keep, int uncompress)
+{
+  grub_file_t hashlist, file;
+  char *buf = NULL;
+  grub_uint8_t expected[GRUB_CRYPTO_MAX_MDLEN];
+  grub_uint8_t actual[GRUB_CRYPTO_MAX_MDLEN];
+  grub_err_t err;
+  unsigned i;
+  unsigned unread = 0, mismatch = 0;
+
+  if (hash->mdlen > GRUB_CRYPTO_MAX_MDLEN)
+    return grub_error (GRUB_ERR_BUG, "mdlen is too long");
+
+  hashlist = grub_file_open (hashfilename, GRUB_FILE_TYPE_HASHLIST);
+  if (!hashlist)
+    return grub_errno;
+  
+  while (grub_free (buf), (buf = grub_file_getline (hashlist)))
+    {
+      const char *p = buf;
+      while (grub_isspace (p[0]))
+	p++;
+      for (i = 0; i < hash->mdlen; i++)
+	{
+	  int high, low;
+	  high = hextoval (*p++);
+	  low = hextoval (*p++);
+	  if (high < 0 || low < 0)
+	    return grub_error (GRUB_ERR_BAD_FILE_TYPE, "invalid hash list");
+	  expected[i] = (high << 4) | low;
+	}
+      if ((p[0] != ' ' && p[0] != '\t') || (p[1] != ' ' && p[1] != '\t'))
+	return grub_error (GRUB_ERR_BAD_FILE_TYPE, "invalid hash list");
+      p += 2;
+      if (prefix)
+	{
+	  char *filename;
+	  
+	  filename = grub_xasprintf ("%s/%s", prefix, p);
+	  if (!filename)
+	    return grub_errno;
+	  file = grub_file_open (filename, GRUB_FILE_TYPE_TO_HASH
+				 | (!uncompress ? GRUB_FILE_TYPE_NO_DECOMPRESS
+				    : GRUB_FILE_TYPE_NONE));
+	  grub_free (filename);
+	}
+      else
+	file = grub_file_open (p, GRUB_FILE_TYPE_TO_HASH
+			       | (!uncompress ? GRUB_FILE_TYPE_NO_DECOMPRESS
+				  : GRUB_FILE_TYPE_NONE));
+      if (!file)
+	{
+	  grub_file_close (hashlist);
+	  grub_free (buf);
+	  return grub_errno;
+	}
+      err = hash_file (file, hash, actual);
+      grub_file_close (file);
+      if (err)
+	{
+	  grub_printf_ (N_("%s: READ ERROR\n"), p);
+	  if (!keep)
+	    {
+	      grub_file_close (hashlist);
+	      grub_free (buf);
+	      return err;
+	    }
+	  grub_print_error ();
+	  grub_errno = GRUB_ERR_NONE;
+	  unread++;
+	  continue;
+	}
+      if (grub_crypto_memcmp (expected, actual, hash->mdlen) != 0)
+	{
+	  grub_printf_ (N_("%s: HASH MISMATCH\n"), p);
+	  if (!keep)
+	    {
+	      grub_file_close (hashlist);
+	      grub_free (buf);
+	      return grub_error (GRUB_ERR_TEST_FAILURE,
+				 "hash of '%s' mismatches", p);
+	    }
+	  mismatch++;
+	  continue;	  
+	}
+      grub_printf_ (N_("%s: OK\n"), p);
+    }
+  if (mismatch || unread)
+    return grub_error (GRUB_ERR_TEST_FAILURE,
+		       "%d files couldn't be read and hash "
+		       "of %d files mismatches", unread, mismatch);
+  return GRUB_ERR_NONE;
+}
+
+static grub_err_t
+grub_cmd_hashsum (struct grub_extcmd_context *ctxt,
+		  int argc, char **args)
+{
+  struct grub_arg_list *state = ctxt->state;
+  const char *hashname = NULL;
+  const char *prefix = NULL;
+  const gcry_md_spec_t *hash;
+  unsigned i;
+  int keep = state[3].set;
+  int uncompress = state[4].set;
+  unsigned unread = 0;
+  int len = 0;
+  char hashsum[256];
+
+  for (i = 0; i < ARRAY_SIZE (aliases); i++)
+    if (grub_strcmp (ctxt->extcmd->cmd->name, aliases[i].name) == 0)
+      hashname = aliases[i].hashname;
+  if (state[0].set)
+    hashname = state[0].arg;
+
+  if (!hashname)
+    return grub_error (GRUB_ERR_BAD_ARGUMENT, "no hash specified");
+
+  hash = grub_crypto_lookup_md_by_name (hashname);
+  if (!hash)
+    return grub_error (GRUB_ERR_BAD_ARGUMENT, "unknown hash");
+
+  if (hash->mdlen > GRUB_CRYPTO_MAX_MDLEN)
+    return grub_error (GRUB_ERR_BUG, "mdlen is too long");
+
+  if (state[2].set)
+    prefix = state[2].arg;
+
+  if (state[1].set)
+    {
+      if (argc != 0)
+	return grub_error (GRUB_ERR_BAD_ARGUMENT,
+			   "--check is incompatible with file list");
+      return check_list (hash, state[1].arg, prefix, keep, uncompress);
+    }
+
+  for (i = 0; i < (unsigned) argc; i++)
+    {
+      GRUB_PROPERLY_ALIGNED_ARRAY (result, GRUB_CRYPTO_MAX_MDLEN);
+      grub_file_t file;
+      grub_err_t err;
+      unsigned j;
+      file = grub_file_open (args[i], GRUB_FILE_TYPE_TO_HASH
+			     | (!uncompress ? GRUB_FILE_TYPE_NO_DECOMPRESS
+				: GRUB_FILE_TYPE_NONE));
+      if (!file)
+	{
+	  if (!keep)
+	    return grub_errno;
+	  grub_print_error ();
+	  grub_errno = GRUB_ERR_NONE;
+	  unread++;
+	  continue;
+	}
+      err = hash_file (file, hash, result);
+      grub_file_close (file);
+      if (err)
+	{
+	  if (!keep)
+	    return err;
+	  grub_print_error ();
+	  grub_errno = GRUB_ERR_NONE;
+	  unread++;
+	  continue;
+	}
+      for (j = 0; j < hash->mdlen; j++)
+	  {
+	    grub_printf ("%02x", ((grub_uint8_t *) result)[j]);
+        len += grub_snprintf(hashsum + len, sizeof(hashsum) - len, "%02x", ((grub_uint8_t *) result)[j]);
+      }
+      grub_printf ("  %s\n", args[i]);
+      grub_env_set("VT_LAST_CHECK_SUM", hashsum);
+    }
+
+  if (unread)
+    return grub_error (GRUB_ERR_TEST_FAILURE, "%d files couldn't be read",
+		       unread);
+  return GRUB_ERR_NONE;
+}
+
+static grub_extcmd_t cmd, cmd_md5, cmd_sha1, cmd_sha256, cmd_sha512, cmd_crc;
+
+GRUB_MOD_INIT(hashsum)
+{
+  cmd = grub_register_extcmd ("hashsum", grub_cmd_hashsum, 0,
+			      N_("-h HASH [-c FILE [-p PREFIX]] "
+				 "[FILE1 [FILE2 ...]]"),
+			      /* TRANSLATORS: "hash checksum" is just to
+				 be a bit more precise, you can treat it as
+				 just "hash".  */
+			      N_("Compute or check hash checksum."),
+			      options);
+  cmd_md5 = grub_register_extcmd ("md5sum", grub_cmd_hashsum, 0,
+				  N_("[-c FILE [-p PREFIX]] "
+				     "[FILE1 [FILE2 ...]]"),
+				  N_("Compute or check hash checksum."),
+				  options);
+  cmd_sha1 = grub_register_extcmd ("sha1sum", grub_cmd_hashsum, 0,
+				   N_("[-c FILE [-p PREFIX]] "
+				      "[FILE1 [FILE2 ...]]"),
+				   N_("Compute or check hash checksum."),
+				   options);
+  cmd_sha256 = grub_register_extcmd ("sha256sum", grub_cmd_hashsum, 0,
+				     N_("[-c FILE [-p PREFIX]] "
+					"[FILE1 [FILE2 ...]]"),
+				     N_("Compute or check hash checksum."),
+				     options);
+  cmd_sha512 = grub_register_extcmd ("sha512sum", grub_cmd_hashsum, 0,
+				     N_("[-c FILE [-p PREFIX]] "
+					"[FILE1 [FILE2 ...]]"),
+				     N_("Compute or check hash checksum."),
+				     options);
+
+  cmd_crc = grub_register_extcmd ("crc", grub_cmd_hashsum, 0,
+				     N_("[-c FILE [-p PREFIX]] "
+					"[FILE1 [FILE2 ...]]"),
+				     N_("Compute or check hash checksum."),
+				     options);
+}
+
+GRUB_MOD_FINI(hashsum)
+{
+  grub_unregister_extcmd (cmd);
+  grub_unregister_extcmd (cmd_md5);
+  grub_unregister_extcmd (cmd_sha1);
+  grub_unregister_extcmd (cmd_sha256);
+  grub_unregister_extcmd (cmd_sha512);
+  grub_unregister_extcmd (cmd_crc);
+}

GRUB2/MOD_SRC/grub-2.04/grub-core/disk/loopback.c

@@ -0,0 +1,257 @@
+/* loopback.c - command to add loopback devices.  */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2005,2006,2007  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/dl.h>
+#include <grub/misc.h>
+#include <grub/file.h>
+#include <grub/disk.h>
+#include <grub/mm.h>
+#include <grub/extcmd.h>
+#include <grub/i18n.h>
+
+GRUB_MOD_LICENSE ("GPLv3+");
+
+struct grub_loopback
+{
+  char *devname;
+  grub_file_t file;
+  struct grub_loopback *next;
+  unsigned long id;
+  grub_off_t skip;
+};
+
+static struct grub_loopback *loopback_list;
+static unsigned long last_id = 0;
+
+static const struct grub_arg_option options[] =
+  {
+    /* TRANSLATORS: The disk is simply removed from the list of available ones,
+       not wiped, avoid to scare user.  */
+    {"delete", 'd', 0, N_("Delete the specified loopback drive."), 0, 0},
+    {"skip", 's', 0, "skip sectors of the file.", "SECTORS", ARG_TYPE_INT },
+    {0, 0, 0, 0, 0, 0}
+  };
+
+/* Delete the loopback device NAME.  */
+static grub_err_t
+delete_loopback (const char *name)
+{
+  struct grub_loopback *dev;
+  struct grub_loopback **prev;
+
+  /* Search for the device.  */
+  for (dev = loopback_list, prev = &loopback_list;
+       dev;
+       prev = &dev->next, dev = dev->next)
+    if (grub_strcmp (dev->devname, name) == 0)
+      break;
+
+  if (! dev)
+    return grub_error (GRUB_ERR_BAD_DEVICE, "device not found");
+
+  /* Remove the device from the list.  */
+  *prev = dev->next;
+
+  grub_free (dev->devname);
+  grub_file_close (dev->file);
+  grub_free (dev);
+
+  return 0;
+}
+
+/* The command to add and remove loopback devices.  */
+static grub_err_t
+grub_cmd_loopback (grub_extcmd_context_t ctxt, int argc, char **args)
+{
+  struct grub_arg_list *state = ctxt->state;
+  grub_file_t file;
+  struct grub_loopback *newdev;
+  grub_err_t ret;
+  grub_off_t skip = 0;
+
+  if (argc < 1)
+    return grub_error (GRUB_ERR_BAD_ARGUMENT, "device name required");
+
+  /* Check if `-d' was used.  */
+  if (state[0].set)
+      return delete_loopback (args[0]);
+
+  if (state[1].set)
+      skip = (grub_off_t)grub_strtoull(state[1].arg, NULL, 10);
+
+  if (argc < 2)
+    return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));
+
+  file = grub_file_open (args[1], GRUB_FILE_TYPE_LOOPBACK
+			 | GRUB_FILE_TYPE_NO_DECOMPRESS);
+  if (! file)
+    return grub_errno;
+
+  /* First try to replace the old device.  */
+  for (newdev = loopback_list; newdev; newdev = newdev->next)
+    if (grub_strcmp (newdev->devname, args[0]) == 0)
+      break;
+
+  if (newdev)
+    {
+      grub_file_close (newdev->file);
+      newdev->file = file;
+      newdev->skip = skip;
+
+      return 0;
+    }
+
+  /* Unable to replace it, make a new entry.  */
+  newdev = grub_malloc (sizeof (struct grub_loopback));
+  if (! newdev)
+    goto fail;
+
+  newdev->devname = grub_strdup (args[0]);
+  if (! newdev->devname)
+    {
+      grub_free (newdev);
+      goto fail;
+    }
+
+  newdev->file = file;
+  newdev->skip = skip;
+  newdev->id = last_id++;
+
+  /* Add the new entry to the list.  */
+  newdev->next = loopback_list;
+  loopback_list = newdev;
+
+  return 0;
+
+fail:
+  ret = grub_errno;
+  grub_file_close (file);
+  return ret;
+}
+
+
+static int
+grub_loopback_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
+		       grub_disk_pull_t pull)
+{
+  struct grub_loopback *d;
+  if (pull != GRUB_DISK_PULL_NONE)
+    return 0;
+  for (d = loopback_list; d; d = d->next)
+    {
+      if (hook (d->devname, hook_data))
+	return 1;
+    }
+  return 0;
+}
+
+static grub_err_t
+grub_loopback_open (const char *name, grub_disk_t disk)
+{
+  struct grub_loopback *dev;
+
+  for (dev = loopback_list; dev; dev = dev->next)
+    if (grub_strcmp (dev->devname, name) == 0)
+      break;
+
+  if (! dev)
+    return grub_error (GRUB_ERR_UNKNOWN_DEVICE, "can't open device");
+
+  /* Use the filesize for the disk size, round up to a complete sector.  */
+  if (dev->file->size != GRUB_FILE_SIZE_UNKNOWN)
+    disk->total_sectors = ((dev->file->size + GRUB_DISK_SECTOR_SIZE - 1)
+			   / GRUB_DISK_SECTOR_SIZE);
+  else
+    disk->total_sectors = GRUB_DISK_SIZE_UNKNOWN;
+  /* Avoid reading more than 512M.  */
+  disk->max_agglomerate = 1 << (29 - GRUB_DISK_SECTOR_BITS
+				- GRUB_DISK_CACHE_BITS);
+
+  disk->id = dev->id;
+
+  disk->data = dev;
+
+  return 0;
+}
+
+static grub_err_t
+grub_loopback_read (grub_disk_t disk, grub_disk_addr_t sector,
+		    grub_size_t size, char *buf)
+{
+  grub_file_t file = ((struct grub_loopback *) disk->data)->file;
+  grub_off_t skip = ((struct grub_loopback *) disk->data)->skip;
+  grub_off_t pos;
+
+  grub_file_seek (file, (sector + skip) << GRUB_DISK_SECTOR_BITS);
+
+  grub_file_read (file, buf, size << GRUB_DISK_SECTOR_BITS);
+  if (grub_errno)
+    return grub_errno;
+
+  /* In case there is more data read than there is available, in case
+     of files that are not a multiple of GRUB_DISK_SECTOR_SIZE, fill
+     the rest with zeros.  */
+  pos = (sector + skip + size) << GRUB_DISK_SECTOR_BITS;
+  if (pos > file->size)
+    {
+      grub_size_t amount = pos - file->size;
+      grub_memset (buf + (size << GRUB_DISK_SECTOR_BITS) - amount, 0, amount);
+    }
+
+  return 0;
+}
+
+static grub_err_t
+grub_loopback_write (grub_disk_t disk __attribute ((unused)),
+		     grub_disk_addr_t sector __attribute ((unused)),
+		     grub_size_t size __attribute ((unused)),
+		     const char *buf __attribute ((unused)))
+{
+  return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
+		     "loopback write is not supported");
+}
+
+static struct grub_disk_dev grub_loopback_dev =
+  {
+    .name = "loopback",
+    .id = GRUB_DISK_DEVICE_LOOPBACK_ID,
+    .disk_iterate = grub_loopback_iterate,
+    .disk_open = grub_loopback_open,
+    .disk_read = grub_loopback_read,
+    .disk_write = grub_loopback_write,
+    .next = 0
+  };
+
+static grub_extcmd_t cmd;
+
+GRUB_MOD_INIT(loopback)
+{
+  cmd = grub_register_extcmd ("loopback", grub_cmd_loopback, 0,
+			      N_("[-d] DEVICENAME FILE."),
+			      /* TRANSLATORS: The file itself is not destroyed
+				 or transformed into drive.  */
+			      N_("Make a virtual drive from a file."), options);
+  grub_disk_dev_register (&grub_loopback_dev);
+}
+
+GRUB_MOD_FINI(loopback)
+{
+  grub_unregister_extcmd (cmd);
+  grub_disk_dev_unregister (&grub_loopback_dev);
+}

GRUB2/MOD_SRC/grub-2.04/grub-core/fs/iso9660.c

@@ -33,6 +33,7 @@
 GRUB_MOD_LICENSE ("GPLv3+");
 
 static int g_ventoy_no_joliet = 0;
+static int g_ventoy_cur_joliet = 0;
 static grub_uint64_t g_ventoy_last_read_pos = 0;
 static grub_uint64_t g_ventoy_last_read_offset = 0;
 static grub_uint64_t g_ventoy_last_read_dirent_pos = 0;
@@ -451,6 +452,7 @@ grub_iso9660_mount (grub_disk_t disk)
 
   data->disk = disk;
 
+  g_ventoy_cur_joliet = 0;
   block = 16;
   do
     {
@@ -484,6 +486,7 @@ grub_iso9660_mount (grub_disk_t disk)
           if (0 == g_ventoy_no_joliet) {
             copy_voldesc = 1;
             data->joliet = 1;
+            g_ventoy_cur_joliet = 1;
           }
         }
 
@@ -1118,6 +1121,11 @@ void grub_iso9660_set_nojoliet(int nojoliet)
     g_ventoy_no_joliet = nojoliet;
 }
 
+int grub_iso9660_is_joliet(void)
+{
+    return g_ventoy_cur_joliet;
+}
+
 grub_uint64_t grub_iso9660_get_last_read_pos(grub_file_t file)
 {
     (void)file;

GRUB2/MOD_SRC/grub-2.04/grub-core/gfxmenu/gui_label.c

@@ -29,6 +29,7 @@
 extern int g_ventoy_memdisk_mode;
 extern int g_ventoy_iso_raw;
 extern int g_ventoy_grub2_mode;
+extern int g_ventoy_wimboot_mode;
 extern int g_ventoy_iso_uefi_drv;
 
 static const char *align_options[] =
@@ -58,11 +59,15 @@ struct grub_gui_label
   grub_font_t font;
   grub_video_rgba_color_t color;
   int value;
+  int vtoytip;
   enum align_mode align;
 };
 
 typedef struct grub_gui_label *grub_gui_label_t;
 
+extern const char * g_ventoy_tip_msg1;
+extern const char * g_ventoy_tip_msg2;
+
 static void
 label_destroy (void *vself)
 {
@@ -89,6 +94,7 @@ label_is_instance (void *vself __attribute__((unused)), const char *type)
 static void
 label_paint (void *vself, const grub_video_rect_t *region)
 {
+  const char *text;
   grub_gui_label_t self = vself;
 
   if (! self->visible)
@@ -97,16 +103,24 @@ label_paint (void *vself, const grub_video_rect_t *region)
   if (!grub_video_have_common_points (region, &self->bounds))
     return;
 
+  if (self->vtoytip == 1) {
+     text = g_ventoy_tip_msg1 ? g_ventoy_tip_msg1 : "";
+  } else if (self->vtoytip == 2) {
+     text = g_ventoy_tip_msg2 ? g_ventoy_tip_msg2 : "";
+  } else {
+     text = self->text;
+  }
+
   /* Calculate the starting x coordinate.  */
   int left_x;
   if (self->align == align_left)
     left_x = 0;
   else if (self->align == align_center)
     left_x = (self->bounds.width
-	      - grub_font_get_string_width (self->font, self->text)) / 2;
+	      - grub_font_get_string_width (self->font, text)) / 2;
   else if (self->align == align_right)
     left_x = (self->bounds.width
-              - grub_font_get_string_width (self->font, self->text));
+              - grub_font_get_string_width (self->font, text));
   else
     return;   /* Invalid alignment.  */
 
@@ -115,7 +129,7 @@ label_paint (void *vself, const grub_video_rect_t *region)
 
   grub_video_rect_t vpsave;
   grub_gui_set_viewport (&self->bounds, &vpsave);
-  grub_font_draw_string (self->text,
+  grub_font_draw_string (text,
                          self->font,
                          grub_video_map_rgba_color (self->color),
                          left_x,
@@ -155,8 +169,8 @@ static void
 label_get_minimal_size (void *vself, unsigned *width, unsigned *height)
 {
   grub_gui_label_t self = vself;
-  *width = grub_font_get_string_width (self->font, self->text);
-  *height = (grub_font_get_ascent (self->font)
+   *width = grub_font_get_string_width (self->font, self->text);
+   *height = (grub_font_get_ascent (self->font)
              + grub_font_get_descent (self->font));
 }
 
@@ -209,6 +223,9 @@ label_set_property (void *vself, const char *name, const char *value)
        else if (grub_strcmp (value, "@VTOY_GRUB2_MODE@") == 0) {
             value = g_ventoy_grub2_mode ? grub_env_get("VTOY_GRUB2_MODE_STR") : " ";
        }
+       else if (grub_strcmp (value, "@VTOY_WIMBOOT_MODE@") == 0) {
+            value = g_ventoy_wimboot_mode ? grub_env_get("VTOY_WIMBOOT_MODE_STR") : " ";
+       }
        else if (grub_strcmp (value, "@VTOY_ISO_UEFI_DRV@") == 0) {
             value = g_ventoy_iso_uefi_drv ? grub_env_get("VTOY_ISO_UEFI_DRV_STR") : " ";
        }
@@ -251,8 +268,14 @@ label_set_property (void *vself, const char *name, const char *value)
     {
       grub_gfxmenu_timeout_unregister ((grub_gui_component_t) self);
       grub_free (self->id);
-      if (value)
+      if (value) {
         self->id = grub_strdup (value);
+        if (grub_strcmp(value, "VTOY_MENU_TIP_1") == 0) {
+            self->vtoytip = 1;
+        } else if (grub_strcmp(value, "VTOY_MENU_TIP_2") == 0) {
+            self->vtoytip = 2;
+        }
+      }
       else
         self->id = 0;
       if (self->id && grub_strcmp (self->id, GRUB_GFXMENU_TIMEOUT_COMPONENT_ID)

GRUB2/MOD_SRC/grub-2.04/grub-core/gfxmenu/theme_loader.c

@@ -733,6 +733,8 @@ done:
   return grub_errno;
 }
 
+extern int g_menu_update_mode;
+
 /* Set properties on the view based on settings from the specified
    theme file.  */
 grub_err_t
@@ -752,7 +754,7 @@ grub_gfxmenu_view_load_theme (grub_gfxmenu_view_t view, const char *theme_path)
     }
 
   p.len = grub_file_size (file);
-  p.buf = grub_malloc (p.len + 4096);
+  p.buf = grub_malloc (p.len + 8192);
   p.pos = 0;
   p.line_num = 1;
   p.col_num = 1;
@@ -781,6 +783,33 @@ grub_gfxmenu_view_load_theme (grub_gfxmenu_view_t view, const char *theme_path)
   }
 }
 
+{
+    const char *tip = grub_env_get("VTOY_MENU_TIP_ENABLE");
+    if (tip && tip[0] == '1')
+    {
+        char tmpmsg[512];
+
+        grub_memset(tmpmsg, 'w', 500);
+        tmpmsg[500] = 0;
+        
+        g_menu_update_mode = 1;
+        p.len += grub_snprintf(p.buf + p.len, 4096, 
+            "\n+ vbox{\n    left = %s\n    top = %s\n"
+            "+ label { id=\"VTOY_MENU_TIP_1\" text = \"%s\" color = \"%s\" align = \"%s\"}\n"
+            "+ label { id=\"VTOY_MENU_TIP_2\" text = \"%s\" color = \"%s\" align = \"%s\"}\n"
+            "}\n",
+            grub_env_get("VTOY_TIP_LEFT"),
+            grub_env_get("VTOY_TIP_TOP"),
+            tmpmsg,
+            grub_env_get("VTOY_TIP_COLOR"),
+            grub_env_get("VTOY_TIP_ALIGN"),
+            tmpmsg,
+            grub_env_get("VTOY_TIP_COLOR"),
+            grub_env_get("VTOY_TIP_ALIGN")
+        );
+    }
+}
+
   if (view->canvas)
     view->canvas->component.ops->destroy (view->canvas);
 

GRUB2/MOD_SRC/grub-2.04/grub-core/gfxmenu/view.c

@@ -386,21 +386,37 @@ redraw_menu_visit (grub_gui_component_t component,
     }
 }
 
+extern int g_menu_update_mode;
+
+static void grub_gfxmenu_update_all(grub_gfxmenu_view_t view)
+{
+    grub_video_set_area_status(GRUB_VIDEO_AREA_DISABLED);
+    grub_gfxmenu_view_redraw(view, &view->screen);
+}
+
 void
 grub_gfxmenu_redraw_menu (grub_gfxmenu_view_t view)
 {
   update_menu_components (view);
 
-  grub_gui_iterate_recursively ((grub_gui_component_t) view->canvas,
-                                redraw_menu_visit, view);
+  if (g_menu_update_mode)
+    grub_gfxmenu_update_all(view);
+  else
+    grub_gui_iterate_recursively ((grub_gui_component_t) view->canvas,
+                                  redraw_menu_visit, view);
+  
   grub_video_swap_buffers ();
   if (view->double_repaint)
     {
-      grub_gui_iterate_recursively ((grub_gui_component_t) view->canvas,
-				    redraw_menu_visit, view);
+      if (g_menu_update_mode)
+        grub_gfxmenu_update_all(view);
+      else
+        grub_gui_iterate_recursively ((grub_gui_component_t) view->canvas,
+                                      redraw_menu_visit, view);
     }
 }
 
+
 void 
 grub_gfxmenu_set_chosen_entry (int entry, void *data)
 {
@@ -408,6 +424,8 @@ grub_gfxmenu_set_chosen_entry (int entry, void *data)
 
   view->selected = entry;
   grub_gfxmenu_redraw_menu (view);
+
+  
 }
 
 static void

GRUB2/MOD_SRC/grub-2.04/grub-core/kern/efi/efi.c

@@ -964,3 +964,20 @@ void * grub_efi_allocate_iso_buf(grub_uint64_t size)
     
     return (void *)(unsigned long)address;
 }
+
+void * grub_efi_allocate_chain_buf(grub_uint64_t size)
+{
+    grub_efi_boot_services_t *b;
+    grub_efi_status_t status;
+    grub_efi_physical_address_t address = 0;
+    grub_efi_uintn_t pages = GRUB_EFI_BYTES_TO_PAGES(size);
+
+    b = grub_efi_system_table->boot_services;
+    status = efi_call_4 (b->allocate_pages, GRUB_EFI_ALLOCATE_ANY_PAGES, GRUB_EFI_LOADER_DATA, pages, &address);
+    if (status != GRUB_EFI_SUCCESS)
+    {
+        return NULL;
+    }
+    
+    return (void *)(unsigned long)address;
+}

GRUB2/MOD_SRC/grub-2.04/grub-core/kern/file.c

@@ -106,19 +106,109 @@ int ventoy_check_file_exist(const char * fmt, ...)
     }
 }
 
+typedef struct grub_vlnk
+{
+    int srclen;
+    char src[512];
+    char dst[512];
+    struct grub_vlnk *next;
+}grub_vlnk;
+
+static grub_vlnk *g_vlnk_list;
+
+int grub_file_is_vlnk_suffix(const char *name, int len)
+{
+    grub_uint32_t suffix;
+
+    if (len > 9)
+    {
+        suffix = *(grub_uint32_t *)(name + len - 4);
+        if (grub_strncmp(name + len - 9, ".vlnk.", 6) == 0)
+        {
+            /* .iso .wim .img .vhd .efi .dat */
+            if (suffix == 0x6F73692E || suffix == 0x6D69772E || 
+                suffix == 0x676D692E || suffix == 0x6468762E ||
+                suffix == 0x6966652E || suffix == 0x7461642E)
+            {
+                return 1;
+            }
+        }
+        else if (len > 10 && grub_strncmp(name + len - 10, ".vlnk.", 6) == 0)
+        {
+            /* vhdx vtoy */
+            if (suffix == 0x78646876 || suffix == 0x796F7476)
+            {
+                return 1;
+            }
+        }
+    }
+
+    return 0;
+}
+
+int grub_file_add_vlnk(const char *src, const char *dst)
+{
+    grub_vlnk *node = NULL;
+    
+    if (src && dst)
+    {
+        node = grub_zalloc(sizeof(grub_vlnk));    
+        if (node)
+        {
+            node->srclen = (int)grub_strlen(src);
+            grub_strncpy(node->src, src, sizeof(node->src) - 1);
+            grub_strncpy(node->dst, dst, sizeof(node->dst) - 1);
+
+            node->next = g_vlnk_list;
+            g_vlnk_list = node;
+            return 0;            
+        }
+    }
+
+    return 1;
+}
+
+const char *grub_file_get_vlnk(const char *name, int *vlnk)
+{
+    int len;
+    grub_vlnk *node = g_vlnk_list;
+
+    len = grub_strlen(name);
+    if (!grub_file_is_vlnk_suffix(name, len))
+    {
+        return name;
+    }
+    
+    while (node)
+    {
+        if (node->srclen == len && grub_strcmp(name, node->src) == 0)
+        {
+            *vlnk = 1;
+            return node->dst;
+        }
+        node = node->next;
+    }
+
+    return name;
+}
+
 grub_file_t
 grub_file_open (const char *name, enum grub_file_type type)
 {
+  int vlnk = 0;
   grub_device_t device = 0;
   grub_file_t file = 0, last_file = 0;
   char *device_name;
   const char *file_name;
   grub_file_filter_id_t filter;
 
-  /* <DESC> : mem:xxx:size:xxx format in chainloader */
-  if (grub_strncmp(name, GRUB_MEMFILE_MEM, grub_strlen(GRUB_MEMFILE_MEM)) == 0) {
+  /* <DESC> : mem:xxx:size:xxx format in chainloader grub_strlen(GRUB_MEMFILE_MEM) */
+  if (grub_strncmp(name, GRUB_MEMFILE_MEM, 4) == 0) {
       return grub_memfile_open(name);
-  }  
+  }
+
+  if (g_vlnk_list && (type & GRUB_FILE_TYPE_NO_VLNK) == 0)
+    name = grub_file_get_vlnk(name, &vlnk);
 
   device_name = grub_file_get_device_name (name);
   if (grub_errno)
@@ -141,6 +231,7 @@ grub_file_open (const char *name, enum grub_file_type type)
     goto fail;
 
   file->device = device;
+  file->vlnk = vlnk;
 
   /* In case of relative pathnames and non-Unix systems (like Windows)
    * name of host files may not start with `/'. Blocklists for host files

GRUB2/MOD_SRC/grub-2.04/grub-core/kern/fs.c

@@ -42,6 +42,44 @@ probe_dummy_iter (const char *filename __attribute__ ((unused)),
   return 1;
 }
 
+grub_fs_t grub_fs_list_probe(grub_device_t device, const char **list)
+{
+    int i;
+    grub_fs_t p;
+
+    if (!device->disk)
+        return 0;
+
+    for (p = grub_fs_list; p; p = p->next) 
+    {
+        for (i = 0; list[i]; i++) 
+        {
+            if (grub_strcmp(p->name, list[i]) == 0)
+                break;
+        }
+
+        if (list[i] == NULL)
+            continue;
+        
+        grub_dprintf("fs", "Detecting %s...\n", p->name);
+
+	    (p->fs_dir) (device, "/", probe_dummy_iter, NULL);
+	    if (grub_errno == GRUB_ERR_NONE)
+	        return p;
+
+        grub_error_push ();
+        grub_dprintf ("fs", "%s detection failed.\n", p->name);
+        grub_error_pop ();
+
+        if (grub_errno != GRUB_ERR_BAD_FS && grub_errno != GRUB_ERR_OUT_OF_RANGE) {
+            return 0;
+        }
+	    grub_errno = GRUB_ERR_NONE;
+	}
+
+    return 0;
+}
+
 grub_fs_t
 grub_fs_probe (grub_device_t device)
 {

GRUB2/MOD_SRC/grub-2.04/grub-core/loader/arm64/linux.c

@@ -279,6 +279,13 @@ static int ventoy_boot_opt_filter(char *opt)
         opt[1] = 't';
         return 0;
     }
+    
+    if (grub_strncmp(opt, "dm=", 3) == 0)
+    {
+        opt[0] = 'D';
+        opt[1] = 'M';
+        return 0;
+    }
 
     if (ventoy_debug)
     {

GRUB2/MOD_SRC/grub-2.04/grub-core/loader/i386/linux.c

@@ -506,6 +506,13 @@ static int ventoy_boot_opt_filter(char *opt)
         return 0;
     }
 
+    if (grub_strncmp(opt, "dm=", 3) == 0)
+    {
+        opt[0] = 'D';
+        opt[1] = 'M';
+        return 0;
+    }
+
     if (ventoy_debug)
     {
         if (grub_strcmp(opt, "quiet") == 0)

GRUB2/MOD_SRC/grub-2.04/grub-core/loader/linux.c

@@ -0,0 +1,316 @@
+#include <grub/types.h>
+#include <grub/err.h>
+#include <grub/linux.h>
+#include <grub/misc.h>
+#include <grub/file.h>
+#include <grub/mm.h>
+#include <grub/env.h>
+#include <grub/term.h>
+
+struct newc_head
+{
+  char magic[6];
+  char ino[8];
+  char mode[8];
+  char uid[8];
+  char gid[8];
+  char nlink[8];
+  char mtime[8];
+  char filesize[8];
+  char devmajor[8];
+  char devminor[8];
+  char rdevmajor[8];
+  char rdevminor[8];
+  char namesize[8];
+  char check[8];
+} GRUB_PACKED;
+
+struct grub_linux_initrd_component
+{
+  grub_file_t file;
+  char *newc_name;
+  grub_off_t size;
+};
+
+struct dir
+{
+  char *name;
+  struct dir *next;
+  struct dir *child;
+};
+
+static char
+hex (grub_uint8_t val)
+{
+  if (val < 10)
+    return '0' + val;
+  return 'a' + val - 10;
+}
+
+static void
+set_field (char *var, grub_uint32_t val)
+{
+  int i;
+  char *ptr = var;
+  for (i = 28; i >= 0; i -= 4)
+    *ptr++ = hex((val >> i) & 0xf);
+}
+
+static grub_uint8_t *
+make_header (grub_uint8_t *ptr,
+	     const char *name, grub_size_t len,
+	     grub_uint32_t mode,
+	     grub_off_t fsize)
+{
+  struct newc_head *head = (struct newc_head *) ptr;
+  grub_uint8_t *optr;
+  grub_size_t oh = 0;
+  grub_memcpy (head->magic, "070701", 6);
+  set_field (head->ino, 0);
+  set_field (head->mode, mode);
+  set_field (head->uid, 0);
+  set_field (head->gid, 0);
+  set_field (head->nlink, 1);
+  set_field (head->mtime, 0);
+  set_field (head->filesize, fsize);
+  set_field (head->devmajor, 0);
+  set_field (head->devminor, 0);
+  set_field (head->rdevmajor, 0);
+  set_field (head->rdevminor, 0);
+  set_field (head->namesize, len);
+  set_field (head->check, 0);
+  optr = ptr;
+  ptr += sizeof (struct newc_head);
+  grub_memcpy (ptr, name, len);
+  ptr += len;
+  oh = ALIGN_UP_OVERHEAD (ptr - optr, 4);
+  grub_memset (ptr, 0, oh);
+  ptr += oh;
+  return ptr;
+}
+
+static void
+free_dir (struct dir *root)
+{
+  if (!root)
+    return;
+  free_dir (root->next);
+  free_dir (root->child);
+  grub_free (root->name);
+  grub_free (root);
+}
+
+static grub_size_t
+insert_dir (const char *name, struct dir **root,
+	    grub_uint8_t *ptr)
+{
+  struct dir *cur, **head = root;
+  const char *cb, *ce = name;
+  grub_size_t size = 0;
+  while (1)
+    {
+      for (cb = ce; *cb == '/'; cb++);
+      for (ce = cb; *ce && *ce != '/'; ce++);
+      if (!*ce)
+	break;
+
+      for (cur = *root; cur; cur = cur->next)
+	if (grub_memcmp (cur->name, cb, ce - cb)
+	    && cur->name[ce - cb] == 0)
+	  break;
+      if (!cur)
+	{
+	  struct dir *n;
+	  n = grub_zalloc (sizeof (*n));
+	  if (!n)
+	    return 0;
+	  n->next = *head;
+	  n->name = grub_strndup (cb, ce - cb);
+	  if (ptr)
+	    {
+	      grub_dprintf ("linux", "Creating directory %s, %s\n", name, ce);
+	      ptr = make_header (ptr, name, ce - name,
+				 040777, 0);
+	    }
+	  size += ALIGN_UP ((ce - (char *) name)
+			    + sizeof (struct newc_head), 4);
+	  *head = n;
+	  cur = n;
+	}
+      root = &cur->next;
+    }
+  return size;
+}
+
+grub_err_t
+grub_initrd_init (int argc, char *argv[],
+		  struct grub_linux_initrd_context *initrd_ctx)
+{
+  int i;
+  int newc = 0;
+  struct dir *root = 0;
+
+  initrd_ctx->nfiles = 0;
+  initrd_ctx->components = 0;
+
+  initrd_ctx->components = grub_zalloc (argc
+					* sizeof (initrd_ctx->components[0]));
+  if (!initrd_ctx->components)
+    return grub_errno;
+
+  initrd_ctx->size = 0;
+
+  for (i = 0; i < argc; i++)
+    {
+      const char *fname = argv[i];
+
+      initrd_ctx->size = ALIGN_UP (initrd_ctx->size, 4);
+
+      if (grub_memcmp (argv[i], "newc:", 5) == 0)
+	{
+	  const char *ptr, *eptr;
+	  ptr = argv[i] + 5;
+	  while (*ptr == '/')
+	    ptr++;
+	  eptr = grub_strchr (ptr, ':');
+	  if (eptr)
+	    {
+	      initrd_ctx->components[i].newc_name = grub_strndup (ptr, eptr - ptr);
+	      if (!initrd_ctx->components[i].newc_name)
+		{
+		  grub_initrd_close (initrd_ctx);
+		  return grub_errno;
+		}
+	      initrd_ctx->size
+		+= ALIGN_UP (sizeof (struct newc_head)
+			    + grub_strlen (initrd_ctx->components[i].newc_name),
+			     4);
+	      initrd_ctx->size += insert_dir (initrd_ctx->components[i].newc_name,
+					      &root, 0);
+	      newc = 1;
+	      fname = eptr + 1;
+	    }
+	}
+      else if (newc)
+	{
+	  initrd_ctx->size += ALIGN_UP (sizeof (struct newc_head)
+					+ sizeof ("TRAILER!!!") - 1, 4);
+	  free_dir (root);
+	  root = 0;
+	  newc = 0;
+	}
+      initrd_ctx->components[i].file = grub_file_open (fname,
+						       GRUB_FILE_TYPE_LINUX_INITRD
+						       | GRUB_FILE_TYPE_NO_DECOMPRESS);
+      if (!initrd_ctx->components[i].file)
+	{
+	  grub_initrd_close (initrd_ctx);
+	  return grub_errno;
+	}
+      initrd_ctx->nfiles++;
+      initrd_ctx->components[i].size
+	= grub_file_size (initrd_ctx->components[i].file);
+      initrd_ctx->size += initrd_ctx->components[i].size;
+    }
+
+  if (newc)
+    {
+      initrd_ctx->size = ALIGN_UP (initrd_ctx->size, 4);
+      initrd_ctx->size += ALIGN_UP (sizeof (struct newc_head)
+				    + sizeof ("TRAILER!!!") - 1, 4);
+      free_dir (root);
+      root = 0;
+    }
+  
+  return GRUB_ERR_NONE;
+}
+
+grub_size_t
+grub_get_initrd_size (struct grub_linux_initrd_context *initrd_ctx)
+{
+  return initrd_ctx->size;
+}
+
+void
+grub_initrd_close (struct grub_linux_initrd_context *initrd_ctx)
+{
+  int i;
+  if (!initrd_ctx->components)
+    return;
+  for (i = 0; i < initrd_ctx->nfiles; i++)
+    {
+      grub_free (initrd_ctx->components[i].newc_name);
+      grub_file_close (initrd_ctx->components[i].file);
+    }
+  grub_free (initrd_ctx->components);
+  initrd_ctx->components = 0;
+}
+
+extern int ventoy_need_prompt_load_file(void);
+extern grub_ssize_t ventoy_load_file_with_prompt(grub_file_t file, void *buf, grub_ssize_t size);
+grub_err_t
+grub_initrd_load (struct grub_linux_initrd_context *initrd_ctx,
+		  char *argv[], void *target)
+{
+  grub_uint8_t *ptr = target;
+  int i;
+  int newc = 0;
+  struct dir *root = 0;
+  grub_ssize_t cursize = 0;
+  grub_ssize_t readsize = 0;
+  
+  for (i = 0; i < initrd_ctx->nfiles; i++)
+    {
+      grub_memset (ptr, 0, ALIGN_UP_OVERHEAD (cursize, 4));
+      ptr += ALIGN_UP_OVERHEAD (cursize, 4);
+
+      if (initrd_ctx->components[i].newc_name)
+	{
+	  ptr += insert_dir (initrd_ctx->components[i].newc_name,
+			     &root, ptr);
+	  ptr = make_header (ptr, initrd_ctx->components[i].newc_name,
+			     grub_strlen (initrd_ctx->components[i].newc_name),
+			     0100777,
+			     initrd_ctx->components[i].size);
+	  newc = 1;
+	}
+      else if (newc)
+	{
+	  ptr = make_header (ptr, "TRAILER!!!", sizeof ("TRAILER!!!") - 1,
+			     0, 0);
+	  free_dir (root);
+	  root = 0;
+	  newc = 0;
+	}
+
+    cursize = initrd_ctx->components[i].size;
+    if (ventoy_need_prompt_load_file() && initrd_ctx->components[i].newc_name && 
+        grub_strcmp(initrd_ctx->components[i].newc_name, "boot.wim") == 0)
+    {
+        readsize = ventoy_load_file_with_prompt(initrd_ctx->components[i].file, ptr, cursize);
+    }
+    else
+    {
+        readsize = grub_file_read (initrd_ctx->components[i].file, ptr, cursize);
+    }
+
+      if (readsize != cursize)
+	{
+	  if (!grub_errno)
+	    grub_error (GRUB_ERR_FILE_READ_ERROR, N_("premature end of file %s"),
+			argv[i]);
+	  grub_initrd_close (initrd_ctx);
+	  return grub_errno;
+	}
+      ptr += cursize;
+    }
+  if (newc)
+    {
+      grub_memset (ptr, 0, ALIGN_UP_OVERHEAD (cursize, 4));
+      ptr += ALIGN_UP_OVERHEAD (cursize, 4);
+      ptr = make_header (ptr, "TRAILER!!!", sizeof ("TRAILER!!!") - 1, 0, 0);
+    }
+  free_dir (root);
+  root = 0;
+  return GRUB_ERR_NONE;
+}

GRUB2/MOD_SRC/grub-2.04/grub-core/loader/mips64/linux.c

@@ -228,6 +228,13 @@ static int ventoy_boot_opt_filter(char *opt)
         return 0;
     }
 
+    if (grub_strncmp(opt, "dm=", 3) == 0)
+    {
+        opt[0] = 'D';
+        opt[1] = 'M';
+        return 0;
+    }
+
     if (ventoy_debug)
     {
         if (grub_strcmp(opt, "quiet") == 0)

GRUB2/MOD_SRC/grub-2.04/grub-core/normal/menu.c

@@ -33,18 +33,36 @@
 #include <grub/gfxterm.h>
 #include <grub/dl.h>
 #include <grub/env.h>
+#include <grub/extcmd.h>
+#include <grub/ventoy.h>
+#include "ventoy/ventoy_def.h"
 
 int g_ventoy_menu_refresh = 0;
 int g_ventoy_memdisk_mode = 0;
 int g_ventoy_iso_raw = 0;
 int g_ventoy_grub2_mode = 0;
+int g_ventoy_wimboot_mode = 0;
 int g_ventoy_iso_uefi_drv = 0;
 int g_ventoy_last_entry = -1;
 int g_ventoy_suppress_esc = 0;
+int g_ventoy_suppress_esc_default = 1;
 int g_ventoy_menu_esc = 0;
 int g_ventoy_fn_mutex = 0;
 int g_ventoy_terminal_output = 0;
 
+#define VTOY_COMM_HOTKEY(cmdkey) \
+if (0 == g_ventoy_fn_mutex) { \
+    cmdstr = grub_env_get(cmdkey); \
+    if (cmdstr) \
+    { \
+        menu_fini (); \
+        g_ventoy_fn_mutex = 1; \
+        grub_script_execute_sourcecode(cmdstr); \
+        g_ventoy_fn_mutex = 0; \
+        goto refresh; \
+    } \
+}
+
 /* Time to delay after displaying an error message about a default/fallback
    entry failing to boot.  */
 #define DEFAULT_ENTRY_ERROR_DELAY_MS  2500
@@ -380,10 +398,65 @@ grub_menu_execute_with_fallback (grub_menu_t menu,
 
 static struct grub_menu_viewer *viewers;
 
+int g_menu_update_mode = 0;
+int g_ventoy_tip_label_enable = 0;
+const char * g_ventoy_tip_msg1 = NULL;
+const char * g_ventoy_tip_msg2 = NULL;
+char g_ventoy_theme_path[256] = {0};
+static const char *g_ventoy_cur_img_path = NULL;
+static void menu_set_chosen_tip(grub_menu_t menu, int entry)
+{
+    int i;
+    img_info *img;
+    menu_tip *tip;
+    grub_menu_entry_t e = grub_menu_get_entry (menu, entry);
+
+    if (g_ventoy_theme_path[0])
+    {
+        grub_env_set("theme", g_ventoy_theme_path);        
+    }
+
+    g_ventoy_tip_msg1 = g_ventoy_tip_msg2 = NULL;
+    if (e && e->id && grub_strncmp(e->id, "VID_", 4) == 0) 
+    {
+        g_ventoy_theme_path[0] = 0;
+        img = (img_info *)(void *)grub_strtoul(e->id + 4, NULL, 16);
+        if (img)
+        {
+            g_ventoy_tip_msg1 = img->tip1;
+            g_ventoy_tip_msg2 = img->tip2;
+            g_ventoy_cur_img_path = img->path;
+        }
+    }
+    else if (e && e->id && grub_strncmp(e->id, "DIR_", 4) == 0)
+    {
+        g_ventoy_theme_path[0] = 0;
+        for (i = 0; i < e->argc; i++)
+        {
+            if (e->args[i] && grub_strncmp(e->args[i], "_VTIP_", 6) == 0)
+            {
+                break;
+            }
+        }
+
+        if (i < e->argc)
+        {
+            tip = (menu_tip *)(void *)grub_strtoul(e->args[i] + 6, NULL, 16);
+            if (tip)
+            {
+                g_ventoy_tip_msg1 = tip->tip1;
+                g_ventoy_tip_msg2 = tip->tip2;
+            }
+        }
+    }
+}
+
 static void
-menu_set_chosen_entry (int entry)
+menu_set_chosen_entry (grub_menu_t menu, int entry)
 {
   struct grub_menu_viewer *cur;
+  
+  menu_set_chosen_tip(menu, entry);
   for (cur = viewers; cur; cur = cur->next)
     cur->set_chosen_entry (entry, cur->data);
 }
@@ -597,7 +670,7 @@ run_menu (grub_menu_t menu, int nested, int *auto_boot)
   default_entry = get_entry_number (menu, "default");
 
   if (g_ventoy_suppress_esc)
-      default_entry = 1;
+      default_entry = g_ventoy_suppress_esc_default;
   else if (g_ventoy_last_entry >= 0 && g_ventoy_last_entry < menu->size) {
       default_entry = g_ventoy_last_entry;
   } 
@@ -679,6 +752,7 @@ run_menu (grub_menu_t menu, int nested, int *auto_boot)
   current_entry = default_entry;
 
  refresh:
+  menu_set_chosen_tip(menu, current_entry);
   menu_init (current_entry, menu, nested);
 
   /* Initialize the time.  */
@@ -731,13 +805,13 @@ run_menu (grub_menu_t menu, int nested, int *auto_boot)
 	    case GRUB_TERM_KEY_HOME:
 	    case GRUB_TERM_CTRL | 'a':
 	      current_entry = 0;
-	      menu_set_chosen_entry (current_entry);
+	      menu_set_chosen_entry (menu, current_entry);
 	      break;
 
 	    case GRUB_TERM_KEY_END:
 	    case GRUB_TERM_CTRL | 'e':
 	      current_entry = menu->size - 1;
-	      menu_set_chosen_entry (current_entry);
+	      menu_set_chosen_entry (menu, current_entry);
 	      break;
 
 	    case GRUB_TERM_KEY_UP:
@@ -745,7 +819,7 @@ run_menu (grub_menu_t menu, int nested, int *auto_boot)
 	    case '^':
 	      if (current_entry > 0)
 		current_entry--;
-	      menu_set_chosen_entry (current_entry);
+	      menu_set_chosen_entry (menu, current_entry);
 	      break;
 
 	    case GRUB_TERM_CTRL | 'n':
@@ -753,7 +827,7 @@ run_menu (grub_menu_t menu, int nested, int *auto_boot)
 	    case 'v':
 	      if (current_entry < menu->size - 1)
 		current_entry++;
-	      menu_set_chosen_entry (current_entry);
+	      menu_set_chosen_entry (menu, current_entry);
 	      break;
 
 	    case GRUB_TERM_CTRL | 'g':
@@ -762,7 +836,7 @@ run_menu (grub_menu_t menu, int nested, int *auto_boot)
 		current_entry = 0;
 	      else
 		current_entry -= GRUB_MENU_PAGE_SIZE;
-	      menu_set_chosen_entry (current_entry);
+	      menu_set_chosen_entry (menu, current_entry);
 	      break;
 
 	    case GRUB_TERM_CTRL | 'c':
@@ -771,7 +845,7 @@ run_menu (grub_menu_t menu, int nested, int *auto_boot)
 		current_entry += GRUB_MENU_PAGE_SIZE;
 	      else
 		current_entry = menu->size - 1;
-	      menu_set_chosen_entry (current_entry);
+	      menu_set_chosen_entry (menu, current_entry);
 	      break;
 
 	    case '\n':
@@ -806,71 +880,23 @@ run_menu (grub_menu_t menu, int nested, int *auto_boot)
 
         case GRUB_TERM_KEY_F2:
         case '2':
-            if (0 == g_ventoy_fn_mutex) {
-                cmdstr = grub_env_get("VTOY_F2_CMD");
-                if (cmdstr)
-                {
-                    menu_fini ();
-                    g_ventoy_fn_mutex = 1;
-                    grub_script_execute_sourcecode(cmdstr);
-                    g_ventoy_fn_mutex = 0;
-                    goto refresh;
-                }
-            }
+            VTOY_COMM_HOTKEY("VTOY_F2_CMD");
             break;
         case GRUB_TERM_KEY_F3:
         case '3':
-            if (0 == g_ventoy_fn_mutex) {
-                cmdstr = grub_env_get("VTOY_F3_CMD");
-                if (cmdstr)
-                {
-                    menu_fini ();
-                    grub_script_execute_sourcecode(cmdstr);
-                    goto refresh;
-                }
-            }
+            VTOY_COMM_HOTKEY("VTOY_F3_CMD");
             break;
         case GRUB_TERM_KEY_F4:
         case '4':
-            if (0 == g_ventoy_fn_mutex) {
-                cmdstr = grub_env_get("VTOY_F4_CMD");
-                if (cmdstr)
-                {
-                    menu_fini ();
-                    g_ventoy_fn_mutex = 1;
-                    grub_script_execute_sourcecode(cmdstr);
-                    g_ventoy_fn_mutex = 0;
-                    goto refresh;
-                }
-            }
+            VTOY_COMM_HOTKEY("VTOY_F4_CMD");
             break;
         case GRUB_TERM_KEY_F5:
         case '5':
-            if (0 == g_ventoy_fn_mutex) {
-                cmdstr = grub_env_get("VTOY_F5_CMD");
-                if (cmdstr)
-                {
-                    menu_fini ();
-                    g_ventoy_fn_mutex = 1;
-                    grub_script_execute_sourcecode(cmdstr);
-                    g_ventoy_fn_mutex = 0;
-                    goto refresh;
-                }
-            }
+            VTOY_COMM_HOTKEY("VTOY_F5_CMD");
             break;
         case GRUB_TERM_KEY_F6:
         case '6':
-            if (0 == g_ventoy_fn_mutex) {
-                cmdstr = grub_env_get("VTOY_F6_CMD");
-                if (cmdstr)
-                {
-                    menu_fini ();
-                    g_ventoy_fn_mutex = 1;
-                    grub_script_execute_sourcecode(cmdstr);
-                    g_ventoy_fn_mutex = 0;
-                    goto refresh;
-                }
-            }
+            VTOY_COMM_HOTKEY("VTOY_F6_CMD");
             break;
         case GRUB_TERM_KEY_F7:
             menu_fini ();
@@ -904,12 +930,52 @@ run_menu (grub_menu_t menu, int nested, int *auto_boot)
             g_ventoy_menu_refresh = 1;
             goto refresh;
             
+        case (GRUB_TERM_CTRL | 'w'):
+            menu_fini ();
+            g_ventoy_wimboot_mode = 1 - g_ventoy_wimboot_mode;
+            g_ventoy_menu_refresh = 1;
+            goto refresh;
+            
         case (GRUB_TERM_CTRL | 'u'):
             menu_fini ();
             g_ventoy_iso_uefi_drv = 1 - g_ventoy_iso_uefi_drv;
             g_ventoy_menu_refresh = 1;
             goto refresh;
 
+        case (GRUB_TERM_CTRL | 'h'):
+        case 'h':
+        {
+            cmdstr = grub_env_get("VTOY_HELP_CMD");
+            if (cmdstr)
+            {
+                grub_script_execute_sourcecode(cmdstr);
+                while (grub_getkey() != GRUB_TERM_ESC)
+                    ;
+                menu_fini ();
+                goto refresh;
+            }
+            break;
+        }
+        case (GRUB_TERM_CTRL | 'm'):
+        case 'm':
+        {
+            if (g_ventoy_cur_img_path)
+            {
+                grub_env_set("VTOY_CHKSUM_FILE_PATH", g_ventoy_cur_img_path);
+                cmdstr = grub_env_get("VTOY_CHKSUM_CMD");
+                if (cmdstr)
+                {
+                    menu_fini();
+                    grub_script_execute_sourcecode(cmdstr);
+                    goto refresh;
+                }
+            }
+            else
+            {
+                grub_env_set("VTOY_CHKSUM_FILE_PATH", "X");
+            }
+            break;
+        }
 	    default:
 	      {
 		int entry;
@@ -1003,6 +1069,11 @@ show_menu (grub_menu_t menu, int nested, int autobooted)
               break;          
       }
 
+      if (autobooted == 0 && g_ventoy_menu_esc && auto_boot) {
+          g_ventoy_last_entry = boot_entry;
+          break;
+      }
+
       e = grub_menu_get_entry (menu, boot_entry);
       if (! e)
 	continue; /* Menu is empty.  */

GRUB2/MOD_SRC/grub-2.04/grub-core/partmap/gpt.c

@@ -0,0 +1,232 @@
+/* gpt.c - Read GUID Partition Tables (GPT).  */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2002,2005,2006,2007,2008  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/disk.h>
+#include <grub/misc.h>
+#include <grub/mm.h>
+#include <grub/partition.h>
+#include <grub/dl.h>
+#include <grub/msdos_partition.h>
+#include <grub/gpt_partition.h>
+#include <grub/i18n.h>
+
+GRUB_MOD_LICENSE ("GPLv3+");
+
+static grub_uint8_t grub_gpt_magic[8] =
+  {
+    0x45, 0x46, 0x49, 0x20, 0x50, 0x41, 0x52, 0x54
+  };
+
+static const grub_gpt_part_guid_t grub_gpt_partition_type_empty = GRUB_GPT_PARTITION_TYPE_EMPTY;
+
+#ifdef GRUB_UTIL
+static const grub_gpt_part_guid_t grub_gpt_partition_type_bios_boot = GRUB_GPT_PARTITION_TYPE_BIOS_BOOT;
+#endif
+
+/* 512 << 7 = 65536 byte sectors.  */
+#define MAX_SECTOR_LOG 7
+
+static struct grub_partition_map grub_gpt_partition_map;
+
+
+
+grub_err_t
+grub_gpt_partition_map_iterate (grub_disk_t disk,
+				grub_partition_iterate_hook_t hook,
+				void *hook_data)
+{
+  struct grub_partition part;
+  struct grub_gpt_header gpt;
+  struct grub_gpt_partentry entry;
+  struct grub_msdos_partition_mbr mbr;
+  grub_uint64_t entries;
+  unsigned int i;
+  int last_offset = 0;
+  int sector_log = 0;
+
+  /* Read the protective MBR.  */
+  if (grub_disk_read (disk, 0, 0, sizeof (mbr), &mbr))
+    return grub_errno;
+
+  /* Check if it is valid.  */
+  if (mbr.signature != grub_cpu_to_le16_compile_time (GRUB_PC_PARTITION_SIGNATURE))
+    return grub_error (GRUB_ERR_BAD_PART_TABLE, "no signature");
+
+  /* Make sure the MBR is a protective MBR and not a normal MBR.  */
+  for (i = 0; i < 4; i++)
+    if (mbr.entries[i].type == GRUB_PC_PARTITION_TYPE_GPT_DISK)
+      break;
+  if (i == 4)
+    return grub_error (GRUB_ERR_BAD_PART_TABLE, "no GPT partition map found");
+
+  /* Read the GPT header.  */
+  for (sector_log = 0; sector_log < MAX_SECTOR_LOG; sector_log++)
+    {
+      if (grub_disk_read (disk, 1 << sector_log, 0, sizeof (gpt), &gpt))
+	return grub_errno;
+
+      if (grub_memcmp (gpt.magic, grub_gpt_magic, sizeof (grub_gpt_magic)) == 0)
+	break;
+    }
+  if (sector_log == MAX_SECTOR_LOG)
+    return grub_error (GRUB_ERR_BAD_PART_TABLE, "no valid GPT header");
+
+  grub_dprintf ("gpt", "Read a valid GPT header\n");
+
+  entries = grub_le_to_cpu64 (gpt.partitions) << sector_log;
+  for (i = 0; i < grub_le_to_cpu32 (gpt.maxpart); i++)
+    {
+      if (grub_disk_read (disk, entries, last_offset,
+			  sizeof (entry), &entry))
+	return grub_errno;
+
+      if (grub_memcmp (&grub_gpt_partition_type_empty, &entry.type,
+		       sizeof (grub_gpt_partition_type_empty)))
+	{
+	  /* Calculate the first block and the size of the partition.  */
+	  part.start = grub_le_to_cpu64 (entry.start) << sector_log;
+	  part.len = (grub_le_to_cpu64 (entry.end)
+		      - grub_le_to_cpu64 (entry.start) + 1)  << sector_log;
+	  part.offset = entries;
+	  part.number = i;
+	  part.index = last_offset;
+	  part.partmap = &grub_gpt_partition_map;
+	  part.parent = disk->partition;
+      part.gpt_attrib = entry.attrib;
+
+	  grub_dprintf ("gpt", "GPT entry %d: start=%lld, length=%lld\n", i,
+			(unsigned long long) part.start,
+			(unsigned long long) part.len);
+
+	  if (hook (disk, &part, hook_data))
+	    return grub_errno;
+	}
+
+      last_offset += grub_le_to_cpu32 (gpt.partentry_size);
+      if (last_offset == GRUB_DISK_SECTOR_SIZE)
+	{
+	  last_offset = 0;
+	  entries++;
+	}
+    }
+
+  return GRUB_ERR_NONE;
+}
+
+#ifdef GRUB_UTIL
+/* Context for gpt_partition_map_embed.  */
+struct gpt_partition_map_embed_ctx
+{
+  grub_disk_addr_t start, len;
+};
+
+/* Helper for gpt_partition_map_embed.  */
+static int
+find_usable_region (grub_disk_t disk __attribute__ ((unused)),
+		    const grub_partition_t p, void *data)
+{
+  struct gpt_partition_map_embed_ctx *ctx = data;
+  struct grub_gpt_partentry gptdata;
+  grub_partition_t p2;
+
+  p2 = disk->partition;
+  disk->partition = p->parent;
+  if (grub_disk_read (disk, p->offset, p->index,
+		      sizeof (gptdata), &gptdata))
+    {
+      disk->partition = p2;
+      return 0;
+    }
+  disk->partition = p2;
+
+  /* If there's an embed region, it is in a dedicated partition.  */
+  if (! grub_memcmp (&gptdata.type, &grub_gpt_partition_type_bios_boot, 16))
+    {
+      ctx->start = p->start;
+      ctx->len = p->len;
+      return 1;
+    }
+
+  return 0;
+}
+
+static grub_err_t
+gpt_partition_map_embed (struct grub_disk *disk, unsigned int *nsectors,
+			 unsigned int max_nsectors,
+			 grub_embed_type_t embed_type,
+			 grub_disk_addr_t **sectors)
+{
+  struct gpt_partition_map_embed_ctx ctx = {
+    .start = 0,
+    .len = 0
+  };
+  unsigned i;
+  grub_err_t err;
+
+  if (embed_type != GRUB_EMBED_PCBIOS)
+    return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
+		       "GPT currently supports only PC-BIOS embedding");
+
+  err = grub_gpt_partition_map_iterate (disk, find_usable_region, &ctx);
+  if (err)
+    return err;
+
+  if (ctx.len == 0)
+    return grub_error (GRUB_ERR_FILE_NOT_FOUND,
+		       N_("this GPT partition label contains no BIOS Boot Partition;"
+			  " embedding won't be possible"));
+
+  if (ctx.len < *nsectors)
+    return grub_error (GRUB_ERR_OUT_OF_RANGE,
+		       N_("your BIOS Boot Partition is too small;"
+			  " embedding won't be possible"));
+
+  *nsectors = ctx.len;
+  if (*nsectors > max_nsectors)
+    *nsectors = max_nsectors;
+  *sectors = grub_malloc (*nsectors * sizeof (**sectors));
+  if (!*sectors)
+    return grub_errno;
+  for (i = 0; i < *nsectors; i++)
+    (*sectors)[i] = ctx.start + i;
+
+  return GRUB_ERR_NONE;
+}
+#endif
+
+
+/* Partition map type.  */
+static struct grub_partition_map grub_gpt_partition_map =
+  {
+    .name = "gpt",
+    .iterate = grub_gpt_partition_map_iterate,
+#ifdef GRUB_UTIL
+    .embed = gpt_partition_map_embed
+#endif
+  };
+
+GRUB_MOD_INIT(part_gpt)
+{
+  grub_partition_map_register (&grub_gpt_partition_map);
+}
+
+GRUB_MOD_FINI(part_gpt)
+{
+  grub_partition_map_unregister (&grub_gpt_partition_map);
+}

GRUB2/MOD_SRC/grub-2.04/grub-core/script/function.c

@@ -0,0 +1,113 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2005,2007,2009,2010  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/misc.h>
+#include <grub/script_sh.h>
+#include <grub/parser.h>
+#include <grub/mm.h>
+#include <grub/charset.h>
+
+grub_script_function_t grub_script_function_list;
+
+grub_script_function_t
+grub_script_function_create (struct grub_script_arg *functionname_arg,
+			     struct grub_script *cmd)
+{
+  grub_script_function_t func;
+  grub_script_function_t *p;
+
+  func = (grub_script_function_t) grub_malloc (sizeof (*func));
+  if (! func)
+    return 0;
+
+  func->name = grub_strdup (functionname_arg->str);
+  if (! func->name)
+    {
+      grub_free (func);
+      return 0;
+    }
+
+  func->func = cmd;
+
+  /* Keep the list sorted for simplicity.  */
+  p = &grub_script_function_list;
+  while (*p)
+    {
+      if (grub_strcmp ((*p)->name, func->name) >= 0)
+	break;
+
+      p = &((*p)->next);
+    }
+
+  /* If the function already exists, overwrite the old function.  */
+  if (*p && grub_strcmp ((*p)->name, func->name) == 0)
+    {
+      grub_script_function_t q;
+
+      q = *p;
+      grub_script_free (q->func);
+      q->func = cmd;
+      grub_free (func);
+      func = q;
+    }
+  else
+    {
+      func->next = *p;
+      *p = func;
+    }
+
+  return func;
+}
+
+void
+grub_script_function_remove (const char *name)
+{
+  grub_script_function_t *p, q;
+
+  for (p = &grub_script_function_list, q = *p; q; p = &(q->next), q = q->next)
+    if (grub_strcmp (name, q->name) == 0)
+      {
+        *p = q->next;
+	grub_free (q->name);
+	grub_script_free (q->func);
+        grub_free (q);
+        break;
+      }
+}
+
+grub_script_function_t
+grub_script_function_find (char *functionname)
+{
+  grub_script_function_t func;
+
+  for (func = grub_script_function_list; func; func = func->next)
+    if (grub_strcmp (functionname, func->name) == 0)
+      break;
+
+  if (! func)
+    {
+      char tmp[64];
+      grub_strncpy (tmp, functionname, 63);
+      tmp[63] = 0;
+      /* Avoid truncating inside UTF-8 character.  */
+      tmp[grub_getend (tmp, tmp + grub_strlen (tmp))] = 0;
+      grub_error (GRUB_ERR_UNKNOWN_COMMAND, N_("can't find command `%s'"), tmp);
+    }
+
+  return func;
+}

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/lzx.c

@@ -462,6 +462,8 @@ static int lzx_uncompressed ( struct lzx *lzx ) {
 	if ( len % 2 )
 		lzx->input.offset++;
 
+    lzx->output.offset += len;
+
 	return 0;
 }
 
@@ -614,7 +616,7 @@ ssize_t lzx_decompress ( const void *data, size_t len, void *buf ) {
 	/* Sanity check */
 	if ( len % 2 ) {
 		DBG ( "LZX cannot handle odd-length input data\n" );
-		return -1;
+		//return -1;
 	}
 
 	/* Initialise global state, if required */

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_def.h

@@ -21,6 +21,8 @@
 #ifndef __VENTOY_DEF_H__
 #define __VENTOY_DEF_H__
 
+#define VTOY_MAX_DIR_DEPTH  32
+
 #define VTOY_MAX_SCRIPT_BUF    (4 * 1024 * 1024)
 
 #define VTOY_PART_BUF_LEN  (128 * 1024)
@@ -29,6 +31,8 @@
 
 #define VTOY_SIZE_1GB     1073741824
 #define VTOY_SIZE_1MB     (1024 * 1024)
+#define VTOY_SIZE_2MB     (2 * 1024 * 1024)
+#define VTOY_SIZE_4MB     (4 * 1024 * 1024)
 #define VTOY_SIZE_512KB   (512 * 1024)
 #define VTOY_SIZE_1KB     1024
 
@@ -67,6 +71,9 @@
 #define VTOY_ARCH_CPIO  "ventoy_x86.cpio"
 #endif
 
+#define ventoy_varg_4(arg) arg[0], arg[1], arg[2], arg[3]
+#define ventoy_varg_8(arg) arg[0], arg[1], arg[2], arg[3], arg[4], arg[5], arg[6], arg[7]
+
 #define VTOY_PWD_CORRUPTED(err) \
 {\
     grub_printf("\n\n Password corrupted, will reboot after 5 seconds.\n\n"); \
@@ -140,6 +147,7 @@ typedef struct cpio_newc_header
 typedef int (*grub_char_check_func)(int c);
 #define ventoy_is_decimal(str)  ventoy_string_check(str, grub_isdigit)
 
+#define OFFSET_OF(TYPE, MEMBER) ((grub_size_t) &((TYPE *)0)->MEMBER)
 
 #pragma pack(1)
 typedef struct ventoy_patch_vhd
@@ -191,14 +199,28 @@ typedef struct ventoy_iso9660_vd
     grub_uint32_t space;
 }ventoy_iso9660_vd;
 
+/* https://wiki.osdev.org/El-Torito */
+typedef struct boot_info_table
+{
+    grub_uint32_t bi_data0;
+    grub_uint32_t bi_data1;
+    grub_uint32_t bi_PrimaryVolumeDescriptor;
+    grub_uint32_t bi_BootFileLocation;
+    grub_uint32_t bi_BootFileLength;
+    grub_uint32_t bi_Checksum;
+    grub_uint8_t bi_Reserved[40];
+}boot_info_table;
+
 #pragma pack()
 
-#define img_type_iso  0
-#define img_type_wim  1
-#define img_type_efi  2
-#define img_type_img  3
-#define img_type_vhd  4
-#define img_type_vtoy 5
+#define img_type_start 0
+#define img_type_iso   0
+#define img_type_wim   1
+#define img_type_efi   2
+#define img_type_img   3
+#define img_type_vhd   4
+#define img_type_vtoy  5
+#define img_type_max   6
 
 typedef struct img_info
 {
@@ -207,6 +229,8 @@ typedef struct img_info
     char name[256];
 
     const char *alias;
+    const char *tip1;
+    const char *tip2;
     const char *class;
     const char *menu_prefix;
     
@@ -280,11 +304,13 @@ extern ventoy_guid  g_ventoy_guid;
 extern ventoy_img_chunk_list g_img_chunk_list;
 extern ventoy_img_chunk_list g_wimiso_chunk_list;
 extern char *g_wimiso_path;
+extern grub_uint32_t g_wimiso_size;
 extern char g_arch_mode_suffix[64];
+extern const char *g_menu_prefix[img_type_max];
 
 extern int g_ventoy_debug;
 void ventoy_debug(const char *fmt, ...);
-#define debug(fmt, ...) if (g_ventoy_debug) ventoy_debug("[VTOY]: "fmt, __VA_ARGS__)
+#define debug(fmt, args...) if (g_ventoy_debug) ventoy_debug("[VTOY]: "fmt, ##args)
 
 #define vtoy_ssprintf(buf, pos, fmt, ...) \
     pos += grub_snprintf(buf + pos, VTOY_MAX_SCRIPT_BUF - pos, fmt, __VA_ARGS__)
@@ -423,6 +449,18 @@ typedef struct wim_directory_entry
 /** No security information exists for this file */
 #define WIM_NO_SECURITY 0xffffffffUL
 
+typedef struct reg_vk
+{
+    grub_uint32_t res1;
+    grub_uint16_t sig;
+    grub_uint16_t namesize;
+    grub_uint32_t datasize;
+    grub_uint32_t dataoffset;
+    grub_uint32_t datatype;
+    grub_uint16_t flag;
+    grub_uint16_t res2;
+}reg_vk;
+
 #pragma pack()
 
 
@@ -525,9 +563,28 @@ typedef struct plugin_entry
     const char *key;
     ventoy_plugin_entry_pf entryfunc;
     ventoy_plugin_check_pf checkfunc;
+    int flag;
 }plugin_entry;
 
+typedef struct replace_fs_dir
+{
+    grub_device_t dev;
+    grub_fs_t fs;
+    char fullpath[512];
+    char initrd[512];
+    int curpos;
+    int dircnt;
+    int filecnt;
+}replace_fs_dir;
 
+typedef struct chk_case_fs_dir
+{
+    grub_device_t dev;
+    grub_fs_t fs;
+}chk_case_fs_dir;
+
+int ventoy_strcmp(const char *pattern, const char *str);
+int ventoy_strncmp (const char *pattern, const char *str, grub_size_t n);
 void ventoy_fill_os_param(grub_file_t file, ventoy_os_param *param);
 grub_err_t ventoy_cmd_isolinux_initrd_collect(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_grub_initrd_collect(grub_extcmd_context_t ctxt, int argc, char **args);
@@ -541,21 +598,27 @@ grub_err_t ventoy_cmd_linux_locate_initrd(grub_extcmd_context_t ctxt, int argc,
 grub_err_t ventoy_cmd_initrd_count(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_valid_initrd_count(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_load_cpio(grub_extcmd_context_t ctxt, int argc, char **args);
+grub_err_t ventoy_cmd_append_ext_sector(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_skip_svd(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_cpio_busybox_64(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_trailer_cpio(grub_extcmd_context_t ctxt, int argc, char **args);
 int ventoy_cpio_newc_fill_head(void *buf, int filesize, const void *filedata, const char *name);
 grub_file_t ventoy_grub_file_open(enum grub_file_type type, const char *fmt, ...);
 grub_uint64_t ventoy_grub_get_file_size(const char *fmt, ...);
-int ventoy_is_file_exist(const char *fmt, ...);
 int ventoy_is_dir_exist(const char *fmt, ...);
 int ventoy_fill_data(grub_uint32_t buflen, char *buffer);
 grub_err_t ventoy_cmd_load_plugin(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_wimdows_reset(grub_extcmd_context_t ctxt, int argc, char **args);
+grub_err_t ventoy_cmd_is_pe64(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_windows_chain_data(grub_extcmd_context_t ctxt, int argc, char **args);
+grub_err_t ventoy_cmd_windows_wimboot_data(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_wim_chain_data(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_wim_check_bootable(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_dump_wim_patch(grub_extcmd_context_t ctxt, int argc, char **args);
+grub_err_t ventoy_cmd_sel_wimboot(grub_extcmd_context_t ctxt, int argc, char **args);
+grub_err_t ventoy_cmd_set_wim_prompt(grub_extcmd_context_t ctxt, int argc, char **args);
+grub_ssize_t ventoy_load_file_with_prompt(grub_file_t file, void *buf, grub_ssize_t size);
+int ventoy_need_prompt_load_file(void);
 
 VTOY_JSON *vtoy_json_find_item
 (
@@ -763,13 +826,24 @@ typedef struct ventoy_video_mode
 typedef struct file_fullpath
 {
     char path[256];
+    int vlnk_add;
 }file_fullpath;
 
+typedef struct theme_list
+{
+    file_fullpath theme;
+    struct theme_list *next;
+}theme_list;
+
+#define auto_install_type_file   0
+#define auto_install_type_parent 1
 typedef struct install_template
 {
+    int type;
     int pathlen;
     char isopath[256];
 
+    int timeout;
     int autosel;
     int cursel;
     int templatenum;
@@ -801,6 +875,7 @@ typedef struct persistence_config
     int pathlen;
     char isopath[256];
 
+    int timeout;
     int autosel;
     int cursel;
     int backendnum;
@@ -822,6 +897,20 @@ typedef struct menu_alias
     struct menu_alias *next;
 }menu_alias;
 
+#define vtoy_tip_image_file 0
+#define vtoy_tip_directory  1
+typedef struct menu_tip
+{
+    int type;
+    int pathlen;
+    char isopath[256];
+    char tip1[1024];
+    char tip2[1024];
+
+    struct menu_tip *next;
+}menu_tip;
+
+
 #define vtoy_class_image_file  0
 #define vtoy_class_directory   1
 
@@ -829,6 +918,7 @@ typedef struct menu_class
 {
     int  type;
     int  patlen;
+    int  parent;
     char pattern[256];
     char class[64];
 
@@ -852,6 +942,7 @@ typedef struct custom_boot
 typedef struct conf_replace
 {
     int pathlen;
+    int img;
     char isopath[256];
     char orgconf[256];
     char newconf[256];
@@ -859,8 +950,11 @@ typedef struct conf_replace
     struct conf_replace *next;
 }conf_replace;
 
+#define injection_type_file   0
+#define injection_type_parent 1
 typedef struct injection_config
 {
+    int type;
     int pathlen;
     char isopath[256];
     char archive[256];
@@ -897,8 +991,12 @@ typedef struct vtoy_password
     grub_uint8_t md5[16];
 }vtoy_password;
 
+#define vtoy_menu_pwd_file   0
+#define vtoy_menu_pwd_parent 1
+
 typedef struct menu_password
 {
+    int type;
     int pathlen;
     char isopath[256];
 
@@ -909,10 +1007,12 @@ typedef struct menu_password
 
 extern int g_ventoy_menu_esc;
 extern int g_ventoy_suppress_esc;
+extern int g_ventoy_suppress_esc_default;
 extern int g_ventoy_last_entry;
 extern int g_ventoy_memdisk_mode;
 extern int g_ventoy_iso_raw;
 extern int g_ventoy_grub2_mode;
+extern int g_ventoy_wimboot_mode;
 extern int g_ventoy_iso_uefi_drv;
 extern int g_ventoy_case_insensitive;
 extern grub_uint8_t g_ventoy_chain_type;
@@ -930,6 +1030,8 @@ extern grub_uint8_t *g_conf_replace_new_buf;
 extern int g_conf_replace_new_len;
 extern int g_conf_replace_new_len_align;
 extern grub_uint64_t g_ventoy_disk_size;
+extern grub_uint64_t g_ventoy_disk_part_size[2];
+extern grub_uint32_t g_ventoy_plat_data;
 
 #define ventoy_unix_fill_virt(new_data, new_len) \
 { \
@@ -947,19 +1049,26 @@ extern grub_uint64_t g_ventoy_disk_size;
     chain->virt_img_size_in_bytes += data_secs * 2048; \
 }
 
+#define ventoy_syscall0(name) grub_##name()
+#define ventoy_syscall1(name, a) grub_##name(a)
+
+void ventoy_str_tolower(char *str);
+void ventoy_str_toupper(char *str);
 char * ventoy_get_line(char *start);
 int ventoy_cmp_img(img_info *img1, img_info *img2);
 void ventoy_swap_img(img_info *img1, img_info *img2);
 char * ventoy_plugin_get_cur_install_template(const char *isopath);
 install_template * ventoy_plugin_find_install_template(const char *isopath);
 persistence_config * ventoy_plugin_find_persistent(const char *isopath);
+grub_uint64_t ventoy_get_vtoy_partsize(int part);
 void ventoy_plugin_dump_injection(void);
 void ventoy_plugin_dump_auto_install(void);
 int ventoy_fill_windows_rtdata(void *buf, char *isopath);
 int ventoy_plugin_get_persistent_chunklist(const char *isopath, int index, ventoy_img_chunk_list *chunk_list);
 const char * ventoy_plugin_get_injection(const char *isopath);
 const char * ventoy_plugin_get_menu_alias(int type, const char *isopath);
-const char * ventoy_plugin_get_menu_class(int type, const char *name);
+const menu_tip * ventoy_plugin_get_menu_tip(int type, const char *isopath);
+const char * ventoy_plugin_get_menu_class(int type, const char *name, const char *path);
 int ventoy_plugin_check_memdisk(const char *isopath);
 int ventoy_plugin_get_image_list_index(int type, const char *name);
 conf_replace * ventoy_plugin_find_conf_replace(const char *iso);
@@ -968,6 +1077,9 @@ int ventoy_plugin_load_dud(dud *node, const char *isopart);
 int ventoy_get_block_list(grub_file_t file, ventoy_img_chunk_list *chunklist, grub_disk_addr_t start);
 int ventoy_check_block_list(grub_file_t file, ventoy_img_chunk_list *chunklist, grub_disk_addr_t start);
 void ventoy_plugin_dump_persistence(void);
+grub_err_t ventoy_cmd_set_theme(grub_extcmd_context_t ctxt, int argc, char **args);
+grub_err_t ventoy_cmd_set_theme_path(grub_extcmd_context_t ctxt, int argc, char **args);
+grub_err_t ventoy_cmd_select_theme_cfg(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_plugin_check_json(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_check_password(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_linux_get_main_initrd_index(grub_extcmd_context_t ctxt, int argc, char **args);
@@ -979,10 +1091,12 @@ int ventoy_get_disk_guid(const char *filename, grub_uint8_t *guid, grub_uint8_t
 grub_err_t ventoy_cmd_unix_reset(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_unix_replace_conf(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_unix_replace_ko(grub_extcmd_context_t ctxt, int argc, char **args);
+grub_err_t ventoy_cmd_unix_ko_fillmap(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_unix_fill_image_desc(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_unix_gzip_newko(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_unix_freebsd_ver(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_parse_freenas_ver(grub_extcmd_context_t ctxt, int argc, char **args);
+grub_err_t ventoy_cmd_unix_freebsd_ver_elf(grub_extcmd_context_t ctxt, int argc, char **args);
 int ventoy_check_device_result(int ret);
 int ventoy_check_device(grub_device_t dev);
 void ventoy_debug_dump_guid(const char *prefix, grub_uint8_t *guid);
@@ -991,11 +1105,69 @@ grub_err_t ventoy_cmd_patch_vhdboot(grub_extcmd_context_t ctxt, int argc, char *
 grub_err_t ventoy_cmd_raw_chain_data(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_get_vtoy_type(grub_extcmd_context_t ctxt, int argc, char **args);
 int ventoy_check_password(const vtoy_password *pwd, int retry);
-int ventoy_gzip_compress(void *mem_in, int mem_in_len, void *mem_out, int mem_out_len);
-grub_uint64_t ventoy_get_part1_size(ventoy_gpt_info *gpt);
 int ventoy_plugin_add_custom_boot(const char *vcfgpath);
 const char * ventoy_plugin_get_custom_boot(const char *isopath);
 grub_err_t ventoy_cmd_dump_custom_boot(grub_extcmd_context_t ctxt, int argc, char **args);
+int ventoy_gzip_compress(void *mem_in, int mem_in_len, void *mem_out, int mem_out_len);
+int ventoy_load_part_table(const char *diskname);
+int ventoy_env_init(void);
+int ventoy_register_all_cmd(void);
+int ventoy_unregister_all_cmd(void);
+int ventoy_chain_file_size(const char *path);
+int ventoy_chain_file_read(const char *path, int offset, int len, void *buf);
+
+#define VTOY_CMD_CHECK(a) if (33554432 != g_ventoy_disk_part_size[a]) ventoy_syscall0(exit)
+
+#define vtoy_theme_random_boot_second  0
+#define vtoy_theme_random_boot_day     1
+#define vtoy_theme_random_boot_month   2
+
+#define ventoy_env_export(env, name) \
+{\
+    grub_env_set((env), (name));\
+    grub_env_export(env);\
+}
+
+#define ret_goto_end(a) ret = a; goto end;
+
+extern ventoy_grub_param *g_grub_param;
+
+#pragma pack(1)
+#define VENTOY_UNIX_SEG_MAGIC0    0x11223344
+#define VENTOY_UNIX_SEG_MAGIC1    0x55667788
+#define VENTOY_UNIX_SEG_MAGIC2    0x99aabbcc
+#define VENTOY_UNIX_SEG_MAGIC3    0xddeeff00
+#define VENTOY_UNIX_MAX_SEGNUM    40960
+struct g_ventoy_seg {
+    grub_uint64_t seg_start_bytes;
+    grub_uint64_t seg_end_bytes;
+};
+
+struct g_ventoy_map{
+    grub_uint32_t magic1[4];
+    grub_uint32_t magic2[4];
+    grub_uint64_t segnum;
+    grub_uint64_t disksize;
+    grub_uint8_t diskuuid[16];
+    struct g_ventoy_seg seglist[VENTOY_UNIX_MAX_SEGNUM];
+    grub_uint32_t magic3[4];
+};
+#pragma pack()
+
+typedef struct ventoy_vlnk_part
+{
+    grub_uint32_t disksig;
+    grub_uint64_t partoffset;
+    char disk[64];
+    char device[64];
+    grub_device_t dev;
+    grub_fs_t fs;
+    int probe;
+    struct ventoy_vlnk_part *next;
+}ventoy_vlnk_part;
+
+extern char g_iso_path[256];
+int ventoy_add_vlnk_file(char *dir, const char *name);
 
 #endif /* __VENTOY_DEF_H__ */
 

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_json.c

@@ -152,6 +152,23 @@ static int vtoy_json_parse_string
         return JSON_FAILED;
     }
 
+    if (*(pcPos - 1) == '\\')
+    {
+        for (pcPos++; *pcPos; pcPos++)
+        {
+            if (*pcPos == '"' && *(pcPos - 1) != '\\')
+            {
+                break;
+            }
+        }
+        
+        if (*pcPos == 0 || pcPos < pcTmp)
+        {
+            json_debug("Invalid quotes string %s.", pcData);
+            return JSON_FAILED;
+        }
+    }
+
     *ppcEnd = pcPos + 1;
     uiLen = (grub_uint32_t)(unsigned long)(pcPos - pcTmp);    
     

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_linux.c

@@ -38,6 +38,9 @@
 
 GRUB_MOD_LICENSE ("GPLv3+");
 
+#define VTOY_APPEND_EXT_SIZE 4096
+static int g_append_ext_sector = 0;
+
 char * ventoy_get_line(char *start)
 {
     if (start == NULL)
@@ -333,7 +336,9 @@ end:
 static grub_err_t ventoy_grub_cfg_initrd_collect(const char *fileName)
 {
     int i = 0;
+    int len = 0;
     int dollar = 0;
+    int quotation = 0;
     grub_file_t file = NULL;
     char *buf = NULL;
     char *start = NULL;
@@ -382,6 +387,12 @@ static grub_err_t ventoy_grub_cfg_initrd_collect(const char *fileName)
             start++;
         }
 
+        if (*start == '"')
+        {
+            quotation = 1;
+            start++;
+        }
+
         while (*start)
         {
             img = grub_zalloc(sizeof(initrd_info));
@@ -400,6 +411,16 @@ static grub_err_t ventoy_grub_cfg_initrd_collect(const char *fileName)
                 }
             }
 
+            if (quotation)
+            {
+                len = (int)grub_strlen(img->name);
+                if (len > 2 && img->name[len - 1] == '"')
+                {
+                    img->name[len - 1] = 0;
+                }
+                debug("Remove quotation <%s>\n", img->name);
+            }
+
             if (dollar == 1 || ventoy_find_initrd_by_name(g_initrd_img_list, img->name))
             {
                 grub_free(img);
@@ -640,6 +661,11 @@ static grub_uint32_t ventoy_linux_get_virt_chunk_count(void)
         count++;
     }
     
+    if (g_append_ext_sector > 0)
+    {
+        count++;
+    }
+    
     return count;
 }
 
@@ -653,6 +679,11 @@ static grub_uint32_t ventoy_linux_get_virt_chunk_size(void)
     {
         size += sizeof(ventoy_virt_chunk) + g_conf_replace_new_len_align;
     }
+    
+    if (g_append_ext_sector > 0)
+    {
+        size += sizeof(ventoy_virt_chunk) + VTOY_APPEND_EXT_SIZE;
+    }
 
     return size;
 }
@@ -660,6 +691,7 @@ static grub_uint32_t ventoy_linux_get_virt_chunk_size(void)
 static void ventoy_linux_fill_virt_data(    grub_uint64_t isosize, ventoy_chain_head *chain)
 {
     int id = 0;
+    int virtid = 0;
     initrd_info *node;
     grub_uint64_t sector;
     grub_uint32_t offset;
@@ -707,6 +739,29 @@ static void ventoy_linux_fill_virt_data(    grub_uint64_t isosize, ventoy_chain_
         offset += g_ventoy_cpio_size;
         sector += cpio_secs + initrd_secs;
         cur++;
+        virtid++;
+    }
+
+    /* Lenovo EasyStartup need an addional sector for boundary check */
+    if (g_append_ext_sector > 0)
+    {
+        cpio_secs = VTOY_APPEND_EXT_SIZE / 2048;
+    
+        cur->mem_sector_start   = sector;
+        cur->mem_sector_end     = cur->mem_sector_start + cpio_secs;
+        cur->mem_sector_offset  = offset;
+        cur->remap_sector_start = 0;
+        cur->remap_sector_end   = 0;
+        cur->org_sector_start   = 0;
+
+        grub_memset(override + offset, 0, VTOY_APPEND_EXT_SIZE);
+
+        chain->virt_img_size_in_bytes += VTOY_APPEND_EXT_SIZE;
+
+        offset += VTOY_APPEND_EXT_SIZE;
+        sector += cpio_secs;
+        cur++;
+        virtid++;
     }
 
     if (g_conf_replace_offset > 0)
@@ -724,9 +779,15 @@ static void ventoy_linux_fill_virt_data(    grub_uint64_t isosize, ventoy_chain_
 
         chain->virt_img_size_in_bytes += g_conf_replace_new_len_align;
 
+        if (g_grub_param->img_replace.magic == GRUB_IMG_REPLACE_MAGIC)
+        {
+            g_grub_param->img_replace.new_file_virtual_id = virtid;
+        }
+
         offset += g_conf_replace_new_len_align;
         sector += cpio_secs;
         cur++;
+        virtid++;
     }
 
     return;
@@ -926,6 +987,12 @@ static grub_err_t ventoy_linux_locate_initrd(int filt, int *filtcnt)
             }
         }
 
+        /* skip hdt.img */
+        if (file->size <= VTOY_SIZE_1MB && grub_strcmp(node->name, "/boot/hdt.img") == 0)
+        {
+            continue;
+        }
+
         if (grub_strcmp(file->fs->name, "iso9660") == 0)
         {
             node->iso_type = 0;
@@ -1101,6 +1168,24 @@ grub_err_t ventoy_cmd_skip_svd(grub_extcmd_context_t ctxt, int argc, char **args
     VENTOY_CMD_RETURN(GRUB_ERR_NONE);
 }
 
+grub_err_t ventoy_cmd_append_ext_sector(grub_extcmd_context_t ctxt, int argc, char **args)
+{
+    (void)ctxt;
+    (void)argc;
+    (void)args;
+
+    if (args[0][0] == '1')
+    {
+        g_append_ext_sector = 1;        
+    }
+    else
+    {
+        g_append_ext_sector = 0;
+    }
+
+    VENTOY_CMD_RETURN(GRUB_ERR_NONE);
+}
+
 grub_err_t ventoy_cmd_load_cpio(grub_extcmd_context_t ctxt, int argc, char **args)
 {
     int i;
@@ -1441,9 +1526,9 @@ grub_err_t ventoy_cmd_trailer_cpio(grub_extcmd_context_t ctxt, int argc, char **
     VENTOY_CMD_RETURN(GRUB_ERR_NONE);
 }
 
-
 grub_err_t ventoy_cmd_linux_chain_data(grub_extcmd_context_t ctxt, int argc, char **args)
 {
+    int len = 0;
     int ventoy_compatible = 0;
     grub_uint32_t size = 0;
     grub_uint64_t isosize = 0;
@@ -1483,23 +1568,31 @@ grub_err_t ventoy_cmd_linux_chain_data(grub_extcmd_context_t ctxt, int argc, cha
 
     isosize = file->size;
 
-    boot_catlog = ventoy_get_iso_boot_catlog(file);
-    if (boot_catlog)
+    len = (int)grub_strlen(args[0]);
+    if (len >= 4 && 0 == grub_strcasecmp(args[0] + len - 4, ".img"))
     {
-        if (ventoy_is_efi_os() && (!ventoy_has_efi_eltorito(file, boot_catlog)))
-        {
-            grub_env_set("LoadIsoEfiDriver", "on");
-        }
+        debug("boot catlog %u for img file\n", boot_catlog);
     }
     else
     {
-        if (ventoy_is_efi_os())
+        boot_catlog = ventoy_get_iso_boot_catlog(file);
+        if (boot_catlog)
         {
-            grub_env_set("LoadIsoEfiDriver", "on");
+            if (ventoy_is_efi_os() && (!ventoy_has_efi_eltorito(file, boot_catlog)))
+            {
+                grub_env_set("LoadIsoEfiDriver", "on");
+            }
         }
         else
         {
-            return grub_error(GRUB_ERR_BAD_ARGUMENT, "File %s is not bootable", args[0]);
+            if (ventoy_is_efi_os())
+            {
+                grub_env_set("LoadIsoEfiDriver", "on");
+            }
+            else
+            {
+                return grub_error(GRUB_ERR_BAD_ARGUMENT, "File %s is not bootable", args[0]);
+            }
         }
     }
     

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_unix.c

@@ -33,6 +33,8 @@
 #include <grub/i18n.h>
 #include <grub/net.h>
 #include <grub/time.h>
+#include <grub/elf.h>
+#include <grub/elfload.h>
 #include <grub/ventoy.h>
 #include "ventoy_def.h"
 
@@ -45,6 +47,11 @@ char *g_conf_new_data = NULL;
 int g_mod_new_len = 0;
 char *g_mod_new_data = NULL;
 
+int g_mod_search_magic = 0;
+
+int g_ko_fillmap_len = 0;
+char *g_ko_fillmap_data = NULL;
+
 grub_uint64_t g_mod_override_offset = 0;
 grub_uint64_t g_conf_override_offset = 0;
 
@@ -80,6 +87,15 @@ static grub_uint32_t ventoy_unix_get_override_chunk_count(void)
     {
         count++;
     }
+    
+    if (g_ko_fillmap_len > 0)
+    {
+        count += (g_ko_fillmap_len / 512);
+        if ((g_ko_fillmap_len % 512) > 0)
+        {
+            count++;
+        }
+    }
 
     return count;
 }
@@ -119,15 +135,50 @@ static grub_uint32_t ventoy_unix_get_virt_chunk_size(void)
     return size;
 }
 
-static void ventoy_unix_fill_override_data(    grub_uint64_t isosize, void *override)
+static void ventoy_unix_fill_map_data(ventoy_chain_head *chain, struct g_ventoy_map *map)
 {
+    grub_uint32_t i;
+    ventoy_img_chunk *chunk = NULL;
+
+    debug("Fill unix map data: <%llu> <%u> %p\n", 
+        (unsigned long long)chain->os_param.vtoy_disk_size, g_img_chunk_list.cur_chunk, map);
+    
+    map->magic1[0] = map->magic2[0] = VENTOY_UNIX_SEG_MAGIC0;
+    map->magic1[1] = map->magic2[1] = VENTOY_UNIX_SEG_MAGIC1;
+    map->magic1[2] = map->magic2[2] = VENTOY_UNIX_SEG_MAGIC2;
+    map->magic1[3] = map->magic2[3] = VENTOY_UNIX_SEG_MAGIC3;
+
+    map->disksize = chain->os_param.vtoy_disk_size;
+    grub_memcpy(map->diskuuid, chain->os_param.vtoy_disk_guid, 16);
+
+    map->segnum = g_img_chunk_list.cur_chunk;
+    if (g_img_chunk_list.cur_chunk > VENTOY_UNIX_MAX_SEGNUM)
+    {
+        debug("####[FAIL] Too many segments for the ISO file %u\n", g_img_chunk_list.cur_chunk);
+        map->segnum = VENTOY_UNIX_MAX_SEGNUM;
+    }
+    
+    for (i = 0; i < (grub_uint32_t)(map->segnum); i++)
+    {
+        chunk = g_img_chunk_list.chunk + i;
+        map->seglist[i].seg_start_bytes = chunk->disk_start_sector * 512ULL;
+        map->seglist[i].seg_end_bytes = (chunk->disk_end_sector + 1) * 512ULL;        
+    }
+}
+
+static void ventoy_unix_fill_override_data(    grub_uint64_t isosize, ventoy_chain_head *chain)
+{
+    int i;
+    int left;
+    char *data = NULL;
+    grub_uint64_t offset;
     grub_uint64_t sector;
     ventoy_override_chunk *cur;
     ventoy_iso9660_override *dirent;
     
     sector = (isosize + 2047) / 2048;
 
-    cur = (ventoy_override_chunk *)override;
+    cur = (ventoy_override_chunk *)((char *)chain + chain->override_chunk_offset);
 
     if (g_conf_new_len > 0)
     {
@@ -140,12 +191,12 @@ static void ventoy_unix_fill_override_data(    grub_uint64_t isosize, void *over
         dirent->first_sector_be = grub_swap_bytes32(dirent->first_sector);
         dirent->size_be         = grub_swap_bytes32(dirent->size);
         sector += (dirent->size + 2047) / 2048;
+        cur++;
     }
 
     if (g_mod_new_len > 0)
     {
         /* mod.ko */
-        cur++;
         cur->img_offset = g_mod_override_offset;
         cur->override_size = sizeof(ventoy_iso9660_override);
         dirent = (ventoy_iso9660_override *)cur->override_data;
@@ -154,6 +205,37 @@ static void ventoy_unix_fill_override_data(    grub_uint64_t isosize, void *over
         dirent->first_sector_be = grub_swap_bytes32(dirent->first_sector);
         dirent->size_be         = grub_swap_bytes32(dirent->size);
         sector += (dirent->size + 2047) / 2048;
+        cur++;
+    }
+
+    if (g_ko_fillmap_len > 0)
+    {
+        data = g_ko_fillmap_data;
+        offset = g_mod_override_offset;
+
+        ventoy_unix_fill_map_data(chain, (struct g_ventoy_map *)data);
+        
+        for (i = 0; i < g_ko_fillmap_len / 512; i++)
+        {
+            cur->img_offset = offset;
+            cur->override_size = 512;
+            grub_memcpy(cur->override_data, data, 512);
+
+            offset += 512;
+            data += 512;
+            cur++;
+        }
+
+        left = (g_ko_fillmap_len % 512);
+        if (left > 0)
+        {
+            cur->img_offset = offset;
+            cur->override_size = left;
+            grub_memcpy(cur->override_data, data, left);
+
+            offset += left;
+            cur++;
+        }
     }
 
     return;
@@ -180,6 +262,11 @@ static void ventoy_unix_fill_virt_data(    grub_uint64_t isosize, ventoy_chain_h
 
     if (g_mod_new_len > 0)
     {
+        if (g_mod_search_magic > 0)
+        {
+            ventoy_unix_fill_map_data(chain, (struct g_ventoy_map *)(g_mod_new_data + g_mod_search_magic));
+        }
+    
         ventoy_unix_fill_virt(g_mod_new_data, g_mod_new_len);
     }
     
@@ -208,6 +295,12 @@ static int ventoy_freebsd_append_conf(char *buf, const char *isopath)
     vtoy_ssprintf(buf, pos, "ventoy_load=\"%s\"\n", "YES");
     vtoy_ssprintf(buf, pos, "ventoy_name=\"%s\"\n", g_ko_mod_path);
 
+    if (g_mod_search_magic)
+    {
+        debug("hint.ventoy NO need\n");
+        goto out;
+    }
+
     disk = isofile->device->disk;
 
     ventoy_get_disk_guid(isofile->name, disk_guid, disk_sig);
@@ -230,8 +323,8 @@ static int ventoy_freebsd_append_conf(char *buf, const char *isopath)
             (ulonglong)((chunk->disk_end_sector + 1) * 512));
     }
 
+out:
     grub_file_close(isofile);
-
     return pos;
 }
 
@@ -256,13 +349,16 @@ grub_err_t ventoy_cmd_unix_reset(grub_extcmd_context_t ctxt, int argc, char **ar
     (void)argc;
     (void)args;
     
+    g_mod_search_magic = 0;
     g_conf_new_len = 0;
     g_mod_new_len = 0;
     g_mod_override_offset = 0;
     g_conf_override_offset = 0;
+    g_ko_fillmap_len = 0;
 
     check_free(g_mod_new_data, grub_free);
     check_free(g_conf_new_data, grub_free);
+    check_free(g_ko_fillmap_data, grub_free);
 
     VENTOY_CMD_RETURN(GRUB_ERR_NONE);
 }
@@ -383,6 +479,174 @@ grub_err_t ventoy_cmd_unix_freebsd_ver(grub_extcmd_context_t ctxt, int argc, cha
     VENTOY_CMD_RETURN(GRUB_ERR_NONE);
 }
 
+grub_err_t ventoy_cmd_unix_freebsd_ver_elf(grub_extcmd_context_t ctxt, int argc, char **args)
+{
+    int j;
+    int k;
+    grub_elf_t elf = NULL;
+    grub_off_t offset = 0;
+    grub_uint32_t len = 0;
+    char *str = NULL;
+    char *data = NULL;
+    void *hdr = NULL;
+    char ver[64] = {0};
+    
+    (void)ctxt;
+    (void)argc;
+    (void)args;
+
+    if (argc != 3)
+    {
+        debug("Invalid argc %d\n", argc);
+        return 1;
+    }
+
+    data = grub_zalloc(8192);
+    if (!data)
+    {
+        goto out;
+    }
+
+    elf = grub_elf_open(args[0], GRUB_FILE_TYPE_LINUX_INITRD);
+    if (!elf)
+    {
+        debug("Failed to open file %s\n", args[0]);
+        goto out;
+    }
+
+    if (args[1][0] == '6')
+    {
+        Elf64_Ehdr *e = &(elf->ehdr.ehdr64);
+        Elf64_Shdr *h;
+        Elf64_Shdr *s;
+        Elf64_Shdr *t;
+        Elf64_Half i;
+        
+        h = hdr = grub_zalloc(e->e_shnum * e->e_shentsize);
+        if (!h)
+        {
+            goto out;
+        }
+
+        debug("read section header %u %u %u\n", e->e_shnum, e->e_shentsize, e->e_shstrndx);
+        grub_file_seek(elf->file, e->e_shoff);
+        grub_file_read(elf->file, h, e->e_shnum * e->e_shentsize);
+
+        s = (Elf64_Shdr *)((char *)h + e->e_shstrndx * e->e_shentsize);        
+        str = grub_malloc(s->sh_size + 1);
+        if (!str)
+        {
+            goto out;
+        }
+        str[s->sh_size] = 0;
+
+        debug("read string table %u %u\n", (grub_uint32_t)s->sh_offset, (grub_uint32_t)s->sh_size);
+        grub_file_seek(elf->file, s->sh_offset);
+        grub_file_read(elf->file, str, s->sh_size);
+
+        for (t = h, i = 0; i < e->e_shnum; i++)
+        {
+            if (grub_strcmp(str + t->sh_name, ".data") == 0)
+            {
+                offset = t->sh_offset;
+                len = t->sh_size;
+                debug("find .data section at %u %u\n", (grub_uint32_t)offset, len);
+                break;
+            }
+            t = (Elf64_Shdr *)((char *)t + e->e_shentsize);
+        }
+    }
+    else
+    {
+        Elf32_Ehdr *e = &(elf->ehdr.ehdr32);
+        Elf32_Shdr *h;
+        Elf32_Shdr *s;
+        Elf32_Shdr *t;
+        Elf32_Half i;
+        
+        h = hdr = grub_zalloc(e->e_shnum * e->e_shentsize);
+        if (!h)
+        {
+            goto out;
+        }
+
+        debug("read section header %u %u %u\n", e->e_shnum, e->e_shentsize, e->e_shstrndx);
+        grub_file_seek(elf->file, e->e_shoff);
+        grub_file_read(elf->file, h, e->e_shnum * e->e_shentsize);
+
+        s = (Elf32_Shdr *)((char *)h + e->e_shstrndx * e->e_shentsize);        
+        str = grub_malloc(s->sh_size + 1);
+        if (!str)
+        {
+            goto out;
+        }
+        str[s->sh_size] = 0;
+
+        debug("read string table %u %u\n", (grub_uint32_t)s->sh_offset, (grub_uint32_t)s->sh_size);
+        grub_file_seek(elf->file, s->sh_offset);
+        grub_file_read(elf->file, str, s->sh_size);
+
+        for (t = h, i = 0; i < e->e_shnum; i++)
+        {
+            if (grub_strcmp(str + t->sh_name, ".data") == 0)
+            {
+                offset = t->sh_offset;
+                len = t->sh_size;
+                debug("find .data section at %u %u\n", (grub_uint32_t)offset, len);
+                break;
+            }
+            t = (Elf32_Shdr *)((char *)t + e->e_shentsize);
+        }
+    }
+
+    if (offset == 0 || len == 0)
+    {
+        debug(".data section not found %s\n", args[0]);
+        goto out;
+    }
+
+    grub_file_seek(elf->file, offset + len - 8192);
+    grub_file_read(elf->file, data, 8192);
+
+    for (j = 0; j < 8192 - 12; j++)
+    {
+        if (grub_strncmp(data + j, "@(#)FreeBSD ", 12) == 0)
+        {
+            for (k = j + 12; k < 8192; k++)
+            {
+                if (0 == grub_isdigit(data[k]) && data[k] != '.')
+                {
+                    data[k] = 0;
+                    break;
+                }
+            }
+        
+            grub_snprintf(ver, sizeof(ver), "%s", data + j + 12);
+            break;
+        }
+    }
+
+    if (ver[0])
+    {
+        k = (int)grub_strtoul(ver, NULL, 10);
+        debug("freebsd version:<%s> <%d.x>\n", ver, k);
+        grub_snprintf(ver, sizeof(ver), "%d.x", k);
+        ventoy_set_env(args[2], ver);
+    }
+    else
+    {
+        debug("freebsd version:<%s>\n", "NOT FOUND");
+    }
+
+out:
+    grub_check_free(str);
+    grub_check_free(hdr);
+    grub_check_free(data);
+    check_free(elf, grub_elf_close);
+    
+    VENTOY_CMD_RETURN(GRUB_ERR_NONE);
+}
+
 grub_err_t ventoy_cmd_unix_replace_conf(grub_extcmd_context_t ctxt, int argc, char **args)
 {
     grub_uint32_t i;
@@ -454,6 +718,27 @@ grub_err_t ventoy_cmd_unix_replace_conf(grub_extcmd_context_t ctxt, int argc, ch
     VENTOY_CMD_RETURN(GRUB_ERR_NONE);
 }
 
+static int ventoy_unix_search_magic(char *data, int len)
+{
+    int i;
+    grub_uint32_t *magic = NULL;    
+
+    for (i = 0; i < len; i += 65536)
+    {
+        magic = (grub_uint32_t *)(data + i);
+        if (magic[0] == VENTOY_UNIX_SEG_MAGIC0 && magic[1] == VENTOY_UNIX_SEG_MAGIC1 && 
+            magic[2] == VENTOY_UNIX_SEG_MAGIC2 && magic[3] == VENTOY_UNIX_SEG_MAGIC3)
+        {
+            debug("unix find search magic at 0x%x loop:%d\n", i, (i >> 16));
+            g_mod_search_magic = i;
+            return 0;
+        }
+    }
+
+    debug("unix can not find search magic\n");
+    return 1;
+}
+
 grub_err_t ventoy_cmd_unix_replace_ko(grub_extcmd_context_t ctxt, int argc, char **args)
 {
     char *data;
@@ -503,10 +788,73 @@ grub_err_t ventoy_cmd_unix_replace_ko(grub_extcmd_context_t ctxt, int argc, char
     
     g_mod_new_data = data;
     g_mod_new_len = (int)file->size;
+
+    ventoy_unix_search_magic(g_mod_new_data, g_mod_new_len);
     
     VENTOY_CMD_RETURN(GRUB_ERR_NONE);
 }
 
+grub_err_t ventoy_cmd_unix_ko_fillmap(grub_extcmd_context_t ctxt, int argc, char **args)
+{
+    int i;
+    grub_file_t file;
+    grub_uint32_t magic[4];
+    grub_uint32_t len;
+
+    (void)ctxt;
+
+    if (argc != 1)
+    {
+        debug("Fillmap ko invalid argc %d\n", argc);
+        return 1;
+    }
+
+    debug("Fillmap ko %s\n", args[0]);
+
+    file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "(loop)%s", args[0]);
+    if (file)
+    {
+        grub_file_read(file, magic, 4); /* read for trigger */
+        g_mod_override_offset = grub_iso9660_get_last_read_pos(file);
+    }
+    else
+    {   
+        debug("Can't find replace ko file from %s\n", args[0]);
+        return 1;
+    }
+
+    for (i = 0; i < (int)(file->size); i += 65536)
+    {
+        magic[0] = 0;
+        grub_file_seek(file, i);
+        grub_file_read(file, magic, sizeof(magic));
+    
+        if (magic[0] == VENTOY_UNIX_SEG_MAGIC0 && magic[1] == VENTOY_UNIX_SEG_MAGIC1 && 
+            magic[2] == VENTOY_UNIX_SEG_MAGIC2 && magic[3] == VENTOY_UNIX_SEG_MAGIC3)
+        {
+            debug("unix find search magic at 0x%x loop:%d\n", i, (i >> 16));
+            g_mod_override_offset += i;
+            break;
+        }
+    }
+
+    len = (grub_uint32_t)OFFSET_OF(struct g_ventoy_map, seglist) + 
+        (sizeof(struct g_ventoy_seg) * g_img_chunk_list.cur_chunk);
+
+    g_ko_fillmap_len = (int)len;
+    g_ko_fillmap_data = grub_malloc(len);
+    if (!g_ko_fillmap_data)
+    {
+        g_ko_fillmap_len = 0;
+        debug("Failed to malloc fillmap data\n");
+    }
+
+    debug("Fillmap ko segnum:%u, override len:%u data:%p\n", g_img_chunk_list.cur_chunk, len, g_ko_fillmap_data);
+
+    grub_file_close(file);
+    VENTOY_CMD_RETURN(GRUB_ERR_NONE);
+}
+
 grub_err_t ventoy_cmd_unix_fill_image_desc(grub_extcmd_context_t ctxt, int argc, char **args)
 {
     int i;
@@ -550,7 +898,7 @@ grub_err_t ventoy_cmd_unix_fill_image_desc(grub_extcmd_context_t ctxt, int argc,
 
     desc = (ventoy_image_desc *)(byte + i);
     desc->disk_size = g_ventoy_disk_size;
-    desc->part1_size = ventoy_get_part1_size(g_ventoy_part_info);
+    desc->part1_size = g_ventoy_disk_part_size[0];
     grub_memcpy(desc->disk_uuid, g_ventoy_part_info->MBR.BootCode + 0x180, 16);
     grub_memcpy(desc->disk_signature, g_ventoy_part_info->MBR.BootCode + 0x1B8, 4);
 
@@ -738,7 +1086,7 @@ grub_err_t ventoy_cmd_unix_chain_data(grub_extcmd_context_t ctxt, int argc, char
     /* part 4: override chunk */
     chain->override_chunk_offset = chain->img_chunk_offset + img_chunk_size;
     chain->override_chunk_num = override_count;
-    ventoy_unix_fill_override_data(isosize, (char *)chain + chain->override_chunk_offset);
+    ventoy_unix_fill_override_data(isosize, chain);
 
     /* part 5: virt chunk */
     chain->virt_chunk_offset = chain->override_chunk_offset + override_size;

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_vhd.c

@@ -44,14 +44,12 @@
 
 GRUB_MOD_LICENSE ("GPLv3+");
 
-static int g_vhdboot_bcd_offset = 0;
-static int g_vhdboot_bcd_len = 0;
 static int g_vhdboot_isolen = 0;
 static char *g_vhdboot_totbuf = NULL;
 static char *g_vhdboot_isobuf = NULL;
 static grub_uint64_t g_img_trim_head_secnum = 0;
 
-static int ventoy_vhd_find_bcd(int *bcdoffset, int *bcdlen)
+static int ventoy_vhd_find_bcd(int *bcdoffset, int *bcdlen, const char *path)
 {
     grub_uint32_t offset;
     grub_file_t file;
@@ -61,10 +59,9 @@ static int ventoy_vhd_find_bcd(int *bcdoffset, int *bcdlen)
     
     grub_script_execute_sourcecode(cmdbuf);
 
-    file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "%s", "(vhdiso)/boot/bcd");
+    file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "(vhdiso)%s", path);
     if (!file)
     {
-        grub_printf("Failed to open bcd file in the image file\n");
         return 1;
     }
 
@@ -83,13 +80,15 @@ static int ventoy_vhd_find_bcd(int *bcdoffset, int *bcdlen)
     return 0;
 }
 
-static int ventoy_vhd_patch_path(char *vhdpath, ventoy_patch_vhd *patch1, ventoy_patch_vhd *patch2)
+static int ventoy_vhd_patch_path(char *vhdpath, ventoy_patch_vhd *patch1, ventoy_patch_vhd *patch2, 
+    int bcdoffset, int bcdlen)
 {
     int i;
     int cnt = 0;
     char *pos;
     grub_size_t pathlen;
     const char *plat;
+    char *newpath = NULL;
     grub_uint16_t *unicode_path;
     const grub_uint8_t winloadexe[] = 
     {
@@ -97,6 +96,11 @@ static int ventoy_vhd_patch_path(char *vhdpath, ventoy_patch_vhd *patch1, ventoy
         0x65, 0x00, 0x78, 0x00, 0x65, 0x00 
     };
 
+    while ((*vhdpath) != '/')
+    {
+        vhdpath++;
+    }
+
     pathlen = sizeof(grub_uint16_t) * (grub_strlen(vhdpath) + 1);
     debug("unicode path for <%s> len:%d\n", vhdpath, (int)pathlen);
     
@@ -110,10 +114,10 @@ static int ventoy_vhd_patch_path(char *vhdpath, ventoy_patch_vhd *patch1, ventoy
 
     if (plat && (plat[0] == 'e')) /* UEFI */
     {
-        pos = g_vhdboot_isobuf + g_vhdboot_bcd_offset;
+        pos = g_vhdboot_isobuf + bcdoffset;
     
         /* winload.exe ==> winload.efi */
-        for (i = 0; i + (int)sizeof(winloadexe) < g_vhdboot_bcd_len; i++)
+        for (i = 0; i + (int)sizeof(winloadexe) < bcdlen; i++)
         {
             if (*((grub_uint32_t *)(pos + i)) == 0x00690077 && 
                 grub_memcmp(pos + i, winloadexe, sizeof(winloadexe)) == 0)
@@ -127,7 +131,8 @@ static int ventoy_vhd_patch_path(char *vhdpath, ventoy_patch_vhd *patch1, ventoy
         debug("winload patch %d times\n", cnt);
     }
 
-    for (pos = vhdpath; *pos; pos++)
+    newpath = grub_strdup(vhdpath);
+    for (pos = newpath; *pos; pos++)
     {
         if (*pos == '/')
         {
@@ -135,40 +140,159 @@ static int ventoy_vhd_patch_path(char *vhdpath, ventoy_patch_vhd *patch1, ventoy
         }
     }
     
-    grub_utf8_to_utf16(unicode_path, pathlen, (grub_uint8_t *)vhdpath, -1, NULL);
+    grub_utf8_to_utf16(unicode_path, pathlen, (grub_uint8_t *)newpath, -1, NULL);
     grub_memcpy(patch1->vhd_file_path, unicode_path, pathlen);
     grub_memcpy(patch2->vhd_file_path, unicode_path, pathlen);
 
+    grub_free(newpath);
     return 0;
 }
 
-static int ventoy_vhd_patch_disk(ventoy_patch_vhd *patch1, ventoy_patch_vhd *patch2)
+static int ventoy_vhd_read_parttbl(const char *filename, ventoy_gpt_info *gpt, int *index)
 {
+    int i;
+    int ret = 1;
+    grub_uint64_t start;
+    grub_file_t file = NULL;
+    grub_disk_t disk = NULL;
+    grub_uint8_t zeroguid[16] = {0};
+
+    file = grub_file_open(filename, VENTOY_FILE_TYPE);
+    if (!file)
+    {
+        goto end;
+    }
+
+    disk = grub_disk_open(file->device->disk->name);
+    if (!disk)
+    {
+        goto end;
+    }
+
+    grub_disk_read(disk, 0, 0, sizeof(ventoy_gpt_info), gpt);
+
+    start = file->device->disk->partition->start;
+
+    if (grub_memcmp(gpt->Head.Signature, "EFI PART", 8) == 0)
+    {
+        debug("GPT part start: %llu\n", (ulonglong)start);
+        for (i = 0; i < 128; i++)
+        {
+            if (grub_memcmp(gpt->PartTbl[i].PartGuid, zeroguid, 16))
+            {
+                if (start == gpt->PartTbl[i].StartLBA)
+                {
+                    *index = i;
+                    break;
+                }
+            }
+        }
+    }
+    else
+    {
+        debug("MBR part start: %llu\n", (ulonglong)start);
+        for (i = 0; i < 4; i++)
+        {
+            if ((grub_uint32_t)start == gpt->MBR.PartTbl[i].StartSectorId)
+            {
+                *index = i;
+                break;
+            }
+        }
+    }    
+
+    ret = 0;
+
+end:
+    check_free(file, grub_file_close);
+    check_free(disk, grub_disk_close);
+
+    return ret;
+}
+
+static int ventoy_vhd_patch_disk(const char *vhdpath, ventoy_patch_vhd *patch1, ventoy_patch_vhd *patch2)
+{
+    int partIndex = 0;
+    grub_uint64_t offset = 0;
     char efipart[16] = {0};
+    ventoy_gpt_info *gpt = NULL;
 
-    grub_memcpy(efipart, g_ventoy_part_info->Head.Signature, sizeof(g_ventoy_part_info->Head.Signature));
+    if (vhdpath[0] == '/')
+    {
+        gpt = g_ventoy_part_info;  
+        partIndex = 0;
+        debug("This is Ventoy ISO partIndex %d %s\n", partIndex, vhdpath);
+    }
+    else
+    {
+        gpt = grub_zalloc(sizeof(ventoy_gpt_info));
+        ventoy_vhd_read_parttbl(vhdpath, gpt, &partIndex);
+        debug("This is HDD partIndex %d %s\n", partIndex, vhdpath);
+    }
 
-    debug("part1 type: 0x%x <%s>\n", g_ventoy_part_info->MBR.PartTbl[0].FsFlag, efipart);
+    grub_memcpy(efipart, gpt->Head.Signature, sizeof(gpt->Head.Signature));
+
+    grub_memset(patch1, 0, OFFSET_OF(ventoy_patch_vhd, vhd_file_path));
+    grub_memset(patch2, 0, OFFSET_OF(ventoy_patch_vhd, vhd_file_path));
 
     if (grub_strncmp(efipart, "EFI PART", 8) == 0)
     {
-        ventoy_debug_dump_guid("GPT disk GUID: ", g_ventoy_part_info->Head.DiskGuid);
-        ventoy_debug_dump_guid("GPT part GUID: ", g_ventoy_part_info->PartTbl[0].PartGuid);
+        ventoy_debug_dump_guid("GPT disk GUID: ", gpt->Head.DiskGuid);
+        ventoy_debug_dump_guid("GPT partIndex GUID: ", gpt->PartTbl[partIndex].PartGuid);
         
-        grub_memcpy(patch1->disk_signature_or_guid, g_ventoy_part_info->Head.DiskGuid, 16);
-        grub_memcpy(patch1->part_offset_or_guid, g_ventoy_part_info->PartTbl[0].PartGuid, 16);
-        grub_memcpy(patch2->disk_signature_or_guid, g_ventoy_part_info->Head.DiskGuid, 16);
-        grub_memcpy(patch2->part_offset_or_guid, g_ventoy_part_info->PartTbl[0].PartGuid, 16);
+        grub_memcpy(patch1->disk_signature_or_guid, gpt->Head.DiskGuid, 16);
+        grub_memcpy(patch1->part_offset_or_guid, gpt->PartTbl[partIndex].PartGuid, 16);
+        grub_memcpy(patch2->disk_signature_or_guid, gpt->Head.DiskGuid, 16);
+        grub_memcpy(patch2->part_offset_or_guid, gpt->PartTbl[partIndex].PartGuid, 16);
 
         patch1->part_type = patch2->part_type = 0;
     }
     else
     {
-        debug("MBR disk signature: %02x%02x%02x%02x\n",
-            g_ventoy_part_info->MBR.BootCode[0x1b8 + 0], g_ventoy_part_info->MBR.BootCode[0x1b8 + 1],
-            g_ventoy_part_info->MBR.BootCode[0x1b8 + 2], g_ventoy_part_info->MBR.BootCode[0x1b8 + 3]);
-        grub_memcpy(patch1->disk_signature_or_guid, g_ventoy_part_info->MBR.BootCode + 0x1b8, 4);
-        grub_memcpy(patch2->disk_signature_or_guid, g_ventoy_part_info->MBR.BootCode + 0x1b8, 4);
+        offset = gpt->MBR.PartTbl[partIndex].StartSectorId;
+        offset *= 512;
+    
+        debug("MBR disk signature: %02x%02x%02x%02x Part(%d) offset:%llu\n",
+            gpt->MBR.BootCode[0x1b8 + 0], gpt->MBR.BootCode[0x1b8 + 1],
+            gpt->MBR.BootCode[0x1b8 + 2], gpt->MBR.BootCode[0x1b8 + 3],
+            partIndex + 1, offset);
+
+        grub_memcpy(patch1->part_offset_or_guid, &offset, 8);
+        grub_memcpy(patch2->part_offset_or_guid, &offset, 8);
+        
+        grub_memcpy(patch1->disk_signature_or_guid, gpt->MBR.BootCode + 0x1b8, 4);
+        grub_memcpy(patch2->disk_signature_or_guid, gpt->MBR.BootCode + 0x1b8, 4);
+
+        patch1->part_type = patch2->part_type = 1;
+    }
+
+    if (gpt != g_ventoy_part_info)
+    {
+        grub_free(gpt);
+    }
+
+    return 0;
+}
+
+static int ventoy_find_vhdpatch_offset(int bcdoffset, int bcdlen, int *offset)
+{
+    int i;
+    int cnt = 0;
+    grub_uint8_t *buf = (grub_uint8_t *)(g_vhdboot_isobuf + bcdoffset);
+    grub_uint8_t magic[16] = { 
+        0x5C, 0x00, 0x58, 0x00, 0x58, 0x00, 0x58, 0x00, 0x58, 0x00, 0x58, 0x00, 0x58, 0x00, 0x58, 0x00 
+    };
+
+    for (i = 0; i < bcdlen - 16 && cnt < 2; i++)
+    {
+        if (*(grub_uint32_t *)(buf + i) == 0x0058005C)
+        {
+            if (grub_memcmp(magic, buf + i, 16) == 0)
+            {
+                *offset++ = i - (int)OFFSET_OF(ventoy_patch_vhd, vhd_file_path); 
+                cnt++;
+            }
+        }
     }
 
     return 0;
@@ -177,6 +301,8 @@ static int ventoy_vhd_patch_disk(ventoy_patch_vhd *patch1, ventoy_patch_vhd *pat
 grub_err_t ventoy_cmd_patch_vhdboot(grub_extcmd_context_t ctxt, int argc, char **args)
 {
     int rc;
+    int bcdoffset, bcdlen;
+    int patchoffset[2];
     ventoy_patch_vhd *patch1;
     ventoy_patch_vhd *patch2;
     char envbuf[64];
@@ -194,18 +320,39 @@ grub_err_t ventoy_cmd_patch_vhdboot(grub_extcmd_context_t ctxt, int argc, char *
         return 0;
     }
 
-    rc = ventoy_vhd_find_bcd(&g_vhdboot_bcd_offset, &g_vhdboot_bcd_len);
+    rc = ventoy_vhd_find_bcd(&bcdoffset, &bcdlen, "/boot/bcd");
     if (rc)
     {
         debug("failed to get bcd location %d\n", rc);
-        return 0;
+    }
+    else
+    {
+        ventoy_find_vhdpatch_offset(bcdoffset, bcdlen, patchoffset);
+        patch1 = (ventoy_patch_vhd *)(g_vhdboot_isobuf + bcdoffset + patchoffset[0]);
+        patch2 = (ventoy_patch_vhd *)(g_vhdboot_isobuf + bcdoffset + patchoffset[1]);
+
+        debug("Find /boot/bcd (%d %d) now patch it (offset: 0x%x 0x%x) ...\n", 
+              bcdoffset, bcdlen, patchoffset[0], patchoffset[1]);
+        ventoy_vhd_patch_disk(args[0], patch1, patch2);
+        ventoy_vhd_patch_path(args[0], patch1, patch2, bcdoffset, bcdlen);
     }
 
-    patch1 = (ventoy_patch_vhd *)(g_vhdboot_isobuf + g_vhdboot_bcd_offset + 0x495a);
-    patch2 = (ventoy_patch_vhd *)(g_vhdboot_isobuf + g_vhdboot_bcd_offset + 0x50aa);
-
-    ventoy_vhd_patch_disk(patch1, patch2);
-    ventoy_vhd_patch_path(args[0], patch1, patch2);
+    rc = ventoy_vhd_find_bcd(&bcdoffset, &bcdlen, "/boot/BCD");
+    if (rc)
+    {
+        debug("No file /boot/BCD \n");
+    }
+    else
+    {
+        ventoy_find_vhdpatch_offset(bcdoffset, bcdlen, patchoffset);
+        patch1 = (ventoy_patch_vhd *)(g_vhdboot_isobuf + bcdoffset + patchoffset[0]);
+        patch2 = (ventoy_patch_vhd *)(g_vhdboot_isobuf + bcdoffset + patchoffset[1]);
+        
+        debug("Find /boot/BCD (%d %d) now patch it (offset: 0x%x 0x%x) ...\n", 
+              bcdoffset, bcdlen, patchoffset[0], patchoffset[1]);
+        ventoy_vhd_patch_disk(args[0], patch1, patch2);
+        ventoy_vhd_patch_path(args[0], patch1, patch2, bcdoffset, bcdlen);
+    }
 
     /* set buffer and size */
 #ifdef GRUB_MACHINE_EFI
@@ -220,7 +367,7 @@ grub_err_t ventoy_cmd_patch_vhdboot(grub_extcmd_context_t ctxt, int argc, char *
     grub_env_set("vtoy_vhd_buf_size", envbuf);
 #endif
 
-    return 0;
+    VENTOY_CMD_RETURN(GRUB_ERR_NONE);
 }
 
 grub_err_t ventoy_cmd_load_vhdboot(grub_extcmd_context_t ctxt, int argc, char **args)
@@ -396,7 +543,7 @@ grub_err_t ventoy_cmd_get_vtoy_type(grub_extcmd_context_t ctxt, int argc, char *
     }
 
     grub_env_set(args[1], type);
-    debug("<%s> vtoy type: <%s> ", args[0], type);
+    debug("<%s> vtoy type: <%s> offset:%d\n", args[0], type, offset);
     
     if (offset >= 0)
     {
@@ -451,6 +598,14 @@ grub_err_t ventoy_cmd_get_vtoy_type(grub_extcmd_context_t ctxt, int argc, char *
                         altboot = 1;
                         grub_env_set(args[3], "1");                        
                     }
+                    else
+                    {
+                        debug("offset data=0x%x\n", data);
+                    }
+                }
+                else
+                {
+                    debug("BootCode: 0x%x\n", gpt->MBR.BootCode[92]);
                 }
             }
         }
@@ -512,6 +667,11 @@ grub_err_t ventoy_cmd_raw_chain_data(grub_extcmd_context_t ctxt, int argc, char
         return 1;
     }
 
+    if (grub_strncmp(args[0], g_iso_path, grub_strlen(g_iso_path)))
+    {
+        file->vlnk = 1;
+    }
+
     img_chunk_size = g_img_chunk_list.cur_chunk * sizeof(ventoy_img_chunk);
     
     size = sizeof(ventoy_chain_head) + img_chunk_size;

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_windows.c

@@ -314,6 +314,91 @@ static int ventoy_is_pe64(grub_uint8_t *buffer)
     return 0;
 }
 
+grub_err_t ventoy_cmd_is_pe64(grub_extcmd_context_t ctxt, int argc, char **args)
+{
+    int ret = 1;
+    grub_file_t file;
+    grub_uint8_t buf[512];
+    
+    (void)ctxt;
+    (void)argc;
+
+    file = grub_file_open(args[0], VENTOY_FILE_TYPE);
+    if (!file)
+    {
+        return 1;
+    }
+
+    grub_memset(buf, 0, 512);
+    grub_file_read(file, buf, 512);
+    if (ventoy_is_pe64(buf))
+    {
+        debug("%s is PE64\n", args[0]);
+        ret = 0;
+    }
+    else
+    {
+        debug("%s is PE32\n", args[0]);
+    }
+    grub_file_close(file);
+
+    return ret;
+}
+
+grub_err_t ventoy_cmd_sel_wimboot(grub_extcmd_context_t ctxt, int argc, char **args)
+{
+    int size;
+    char *buf = NULL;
+    char configfile[128];
+    
+    (void)ctxt;
+    (void)argc;
+    (void)args;
+
+    debug("select wimboot argc:%d\n", argc);
+
+    buf = (char *)grub_malloc(8192);
+    if (!buf)
+    {
+        return 0;
+    }
+
+    size = (int)grub_snprintf(buf, 8192, 
+        "menuentry \"Windows Setup (32-bit)\" {\n"
+        "    set vtoy_wimboot_sel=32\n"
+        "}\n"
+        "menuentry \"Windows Setup (64-bit)\" {\n"
+        "    set vtoy_wimboot_sel=64\n"
+        "}\n"
+        );
+    buf[size] = 0;
+
+    g_ventoy_menu_esc = 1;
+    g_ventoy_suppress_esc = 1;
+    g_ventoy_suppress_esc_default = 1;
+
+    grub_snprintf(configfile, sizeof(configfile), "configfile mem:0x%llx:size:%d", (ulonglong)(ulong)buf, size);
+    grub_script_execute_sourcecode(configfile);
+    
+    g_ventoy_menu_esc = 0;
+    g_ventoy_suppress_esc = 0;
+
+    grub_free(buf);
+
+    if (g_ventoy_last_entry == 0)
+    {
+        debug("last entry=%d %s=32\n", g_ventoy_last_entry, args[0]);
+        grub_env_set(args[0], "32");
+    }
+    else
+    {
+        debug("last entry=%d %s=64\n", g_ventoy_last_entry, args[0]);
+        grub_env_set(args[0], "64");
+    }
+
+    VENTOY_CMD_RETURN(GRUB_ERR_NONE);
+}
+
 grub_err_t ventoy_cmd_wimdows_reset(grub_extcmd_context_t ctxt, int argc, char **args)
 {
     wim_patch *next = NULL;
@@ -464,6 +549,8 @@ static int ventoy_read_resource(grub_file_t fp, wim_header *wimhdr, wim_resource
     chunk_num = (head->raw_size + WIM_CHUNK_LEN - 1) / WIM_CHUNK_LEN;
     cur_offset = (chunk_num - 1) * 4;
     chunk_offset = (grub_uint32_t *)buffer_compress;
+
+    //debug("%llu %llu chunk_num=%lu", (ulonglong)head->size_in_wim, (ulonglong)head->raw_size, chunk_num);
     
     cur_dst = buffer_decompress;
     
@@ -516,9 +603,11 @@ static int ventoy_read_resource(grub_file_t fp, wim_header *wimhdr, wim_resource
             decompress_len = (int)lzx_decompress(buffer_compress + cur_offset, head->size_in_wim - cur_offset, cur_dst);
         }
     }
-    
+
     cur_dst += decompress_len;
     total_decompress += decompress_len;
+    
+    //debug("last chunk_size:%u decompresslen:%d tot:%d\n", last_chunk_size, decompress_len, total_decompress);
 
     if (cur_dst != buffer_decompress + head->raw_size)
     {
@@ -570,30 +659,6 @@ static wim_directory_entry * search_full_wim_dirent
     return search;
 }
 
-static wim_directory_entry * search_replace_wim_dirent(void *meta_data, wim_directory_entry *dir)
-{
-    wim_directory_entry *wim_dirent = NULL;
-    const char *winpeshl_path[] = { "Windows", "System32", "winpeshl.exe", NULL };
-    //const char *native_path[] = { "Windows", "System32", "native.exe", NULL };
-
-    wim_dirent = search_full_wim_dirent(meta_data, dir, winpeshl_path);
-    debug("search winpeshl.exe %p\n", wim_dirent);
-    if (wim_dirent)
-    {
-        return wim_dirent;
-    }
-
-    #if 0
-    wim_dirent = search_full_wim_dirent(meta_data, dir, native_path);
-    debug("search native.exe %p\n", wim_dirent);
-    if (wim_dirent)
-    {
-        return wim_dirent;
-    }
-    #endif
-
-    return NULL;
-}
 
 
 static wim_lookup_entry * ventoy_find_look_entry(wim_header *header, wim_lookup_entry *lookup, wim_hash *hash)
@@ -611,6 +676,245 @@ static wim_lookup_entry * ventoy_find_look_entry(wim_header *header, wim_lookup_
     return NULL;
 }
 
+static int parse_registry_setup_cmdline
+(
+    grub_file_t file, 
+    wim_header *head, 
+    wim_lookup_entry *lookup, 
+    void *meta_data, 
+    wim_directory_entry *dir, 
+    char *buf, 
+    grub_uint32_t buflen
+)
+{
+    char c;
+    int ret = 0;
+    grub_uint32_t i = 0;    
+    grub_uint32_t reglen = 0;
+    wim_hash zerohash;
+    reg_vk *regvk = NULL;
+    wim_lookup_entry *look = NULL;
+    wim_directory_entry *wim_dirent = NULL;
+    char *decompress_data = NULL;
+    const char *reg_path[] = { "Windows", "System32", "config", "SYSTEM", NULL };
+
+    wim_dirent = search_full_wim_dirent(meta_data, dir, reg_path);
+    debug("search reg SYSTEM %p\n", wim_dirent);
+    if (!wim_dirent)
+    {
+        return 1;
+    }
+
+    grub_memset(&zerohash, 0, sizeof(zerohash));
+    if (grub_memcmp(&zerohash, wim_dirent->hash.sha1, sizeof(wim_hash)) == 0)
+    {
+        return 2;
+    }
+
+    look = ventoy_find_look_entry(head, lookup, &wim_dirent->hash);
+    if (!look)
+    {
+        return 3;
+    }
+
+    reglen = (grub_uint32_t)look->resource.raw_size;
+    debug("find system lookup entry_id:%ld raw_size:%u\n", 
+        ((long)look - (long)lookup) / sizeof(wim_lookup_entry), reglen);
+
+    if (0 != ventoy_read_resource(file, head, &(look->resource), (void **)&(decompress_data)))
+    {
+        return 4;
+    }
+
+    if (grub_strncmp(decompress_data + 0x1000, "hbin", 4))
+    {
+        ret_goto_end(5);
+    }
+
+    for (i = 0x1000; i + sizeof(reg_vk) < reglen; i += 8)
+    {
+        regvk = (reg_vk *)(decompress_data + i);
+        if (regvk->sig == 0x6B76 && regvk->namesize == 7 &&
+            regvk->datatype == 1 && regvk->flag == 1)
+        {
+            if (grub_strncasecmp((char *)(regvk + 1), "cmdline", 7) == 0)
+            {
+                debug("find registry cmdline i:%u offset:(0x%x)%u size:(0x%x)%u\n", 
+                        i, regvk->dataoffset, regvk->dataoffset, regvk->datasize, regvk->datasize);
+                break;
+            }
+        }
+    }
+
+    if (i + sizeof(reg_vk) >= reglen || regvk == NULL)
+    {
+        ret_goto_end(6);
+    }
+
+    if (regvk->datasize == 0 || (regvk->datasize & 0x80000000) > 0 ||
+        regvk->dataoffset == 0 || regvk->dataoffset == 0xFFFFFFFF)
+    {
+        ret_goto_end(7);
+    }
+
+    if (regvk->datasize / 2 >= buflen)
+    {
+        ret_goto_end(8);
+    }
+
+    debug("start offset is 0x%x(%u)\n", 0x1000 + regvk->dataoffset + 4, 0x1000 + regvk->dataoffset + 4);
+
+    for (i = 0; i < regvk->datasize; i+=2)
+    {
+        c = (char)(*(grub_uint16_t *)(decompress_data + 0x1000 + regvk->dataoffset + 4 + i));
+        *buf++ = c;
+    }
+
+    ret = 0;
+
+end:
+    grub_check_free(decompress_data);
+    return ret;
+}
+
+static int parse_custom_setup_path(char *cmdline, const char **path, char *exefile)
+{
+    int i = 0;
+    int len = 0;
+    char *pos1 = NULL;
+    char *pos2 = NULL;
+    
+    if ((cmdline[0] == 'x' || cmdline[0] == 'X') && cmdline[1] == ':')
+    {
+        pos1 = pos2 = cmdline + 3;
+
+        while (i < VTOY_MAX_DIR_DEPTH && *pos2)
+        {
+            while (*pos2 && *pos2 != '\\' && *pos2 != '/')
+            {
+                pos2++;
+            }
+
+            path[i++] = pos1;
+            
+            if (*pos2 == 0)
+            {                
+                break;
+            }
+
+            *pos2 = 0;
+            pos1 = pos2 + 1;
+            pos2 = pos1;
+        }
+
+        if (i == 0 || i >= VTOY_MAX_DIR_DEPTH)
+        {
+            return 1;
+        }
+    }
+    else
+    {
+        path[i++] = "Windows";
+        path[i++] = "System32";
+        path[i++] = cmdline;
+    }
+
+    pos1 = (char *)path[i - 1];
+    while (*pos1 != ' ' && *pos1 != '\t' && *pos1)
+    {
+        pos1++;
+    }
+    *pos1 = 0;
+
+    len = (int)grub_strlen(path[i - 1]);
+    if (len < 4 || grub_strcasecmp(path[i - 1] + len - 4, ".exe") != 0)
+    {
+        grub_snprintf(exefile, 256, "%s.exe", path[i - 1]);
+        path[i - 1] = exefile;            
+    }
+
+
+    debug("custom setup: %d <%s>\n", i, path[i - 1]);
+    return 0;
+}
+
+static wim_directory_entry * search_replace_wim_dirent
+(
+    grub_file_t file, 
+    wim_header *head, 
+    wim_lookup_entry *lookup, 
+    void *meta_data, 
+    wim_directory_entry *dir
+)
+{
+    int ret;
+    char exefile[256] = {0};
+    char cmdline[256] = {0};
+    wim_directory_entry *wim_dirent = NULL;
+    wim_directory_entry *pecmd_dirent = NULL;
+    const char *peset_path[] = { "Windows", "System32", "peset.exe", NULL };
+    const char *pecmd_path[] = { "Windows", "System32", "pecmd.exe", NULL };
+    const char *winpeshl_path[] = { "Windows", "System32", "winpeshl.exe", NULL };
+    const char *custom_path[VTOY_MAX_DIR_DEPTH + 1] = { NULL };
+
+    pecmd_dirent = search_full_wim_dirent(meta_data, dir, pecmd_path);
+    debug("search pecmd.exe %p\n", pecmd_dirent);
+
+    if (pecmd_dirent)
+    {
+        ret = parse_registry_setup_cmdline(file, head, lookup, meta_data, dir, cmdline, sizeof(cmdline) - 1);
+        if (0 == ret)
+        {
+            debug("registry setup cmdline:<%s>\n", cmdline);
+            
+            if (grub_strncasecmp(cmdline, "PECMD", 5) == 0)
+            {
+                wim_dirent = pecmd_dirent;
+            }
+            else if (grub_strncasecmp(cmdline, "PESET", 5) == 0)
+            {
+                wim_dirent = search_full_wim_dirent(meta_data, dir, peset_path);
+                debug("search peset.exe %p\n", wim_dirent);
+            }
+            else if (grub_strncasecmp(cmdline, "WINPESHL", 8) == 0)
+            {
+                wim_dirent = search_full_wim_dirent(meta_data, dir, winpeshl_path);
+                debug("search winpeshl.exe %p\n", wim_dirent);
+            }
+            else if (0 == parse_custom_setup_path(cmdline, custom_path, exefile))
+            {
+                wim_dirent = search_full_wim_dirent(meta_data, dir, custom_path);
+                debug("search custom path %p\n", wim_dirent);
+            }
+
+            if (wim_dirent)
+            {
+                return wim_dirent;
+            }
+        }
+        else
+        {
+            debug("registry setup cmdline failed : %d\n", ret);
+        }
+    }
+
+    wim_dirent = pecmd_dirent;
+    if (wim_dirent)
+    {
+        return wim_dirent;
+    }
+
+    wim_dirent = search_full_wim_dirent(meta_data, dir, winpeshl_path);
+    debug("search winpeshl.exe %p\n", wim_dirent);
+    if (wim_dirent)
+    {
+        return wim_dirent;
+    }
+
+    return NULL;
+}
+
+
 static wim_lookup_entry * ventoy_find_meta_entry(wim_header *header, wim_lookup_entry *lookup)
 {
     grub_uint32_t i = 0;
@@ -651,6 +955,27 @@ static grub_uint64_t ventoy_get_stream_len(wim_directory_entry *dir)
     return offset;
 }
 
+static int ventoy_update_stream_hash(wim_patch *patch, wim_directory_entry *dir)
+{
+    grub_uint16_t i;
+    grub_uint64_t offset = 0;
+    wim_stream_entry *stream = (wim_stream_entry *)((char *)dir + dir->len);
+
+    for (i = 0; i < dir->streams; i++)
+    {
+        if (grub_memcmp(stream->hash.sha1, patch->old_hash.sha1, sizeof(wim_hash)) == 0)
+        {
+            debug("find target stream %u, name_len:%u upadte hash\n", i, stream->name_len);
+            grub_memcpy(stream->hash.sha1, &(patch->wim_data.bin_hash), sizeof(wim_hash));
+        }
+
+        offset += stream->len;
+        stream = (wim_stream_entry *)((char *)stream + stream->len);
+    }
+
+    return offset;
+}
+
 static int ventoy_update_all_hash(wim_patch *patch, void *meta_data, wim_directory_entry *dir)
 {
     if ((meta_data == NULL) || (dir == NULL))
@@ -678,6 +1003,7 @@ static int ventoy_update_all_hash(wim_patch *patch, void *meta_data, wim_directo
 
         if (dir->streams)
         {
+            ventoy_update_stream_hash(patch, dir);
             dir = (wim_directory_entry *)((char *)dir + dir->len + ventoy_get_stream_len(dir));
         }
         else
@@ -724,6 +1050,7 @@ int ventoy_fill_windows_rtdata(void *buf, char *isopath)
 {
     char *pos = NULL;
     char *script = NULL;
+    const char *env = NULL;
     ventoy_windows_data *data = (ventoy_windows_data *)buf;
 
     grub_memset(data, 0, sizeof(ventoy_windows_data));
@@ -762,7 +1089,13 @@ int ventoy_fill_windows_rtdata(void *buf, char *isopath)
     {
         debug("injection archive not configed %s\n", pos);
     }
-    
+
+    env = grub_env_get("VTOY_WIN11_BYPASS_CHECK");
+    if (env && env[0] == '1' && env[1] == 0)
+    {
+        data->windows11_bypass_check = 1;
+    }
+
     return 0;
 }
 
@@ -798,7 +1131,14 @@ static int ventoy_update_before_chain(ventoy_os_param *param, char *isopath)
         grub_crypto_hash(GRUB_MD_SHA1, wim_data->bin_hash.sha1, wim_data->jump_bin_data, wim_data->bin_raw_len);
 
         security = (wim_security_header *)wim_data->new_meta_data;
-        rootdir = (wim_directory_entry *)(wim_data->new_meta_data + ((security->len + 7) & 0xFFFFFFF8U));
+        if (security->len > 0)
+        {
+            rootdir = (wim_directory_entry *)(wim_data->new_meta_data + ((security->len + 7) & 0xFFFFFFF8U));
+        }
+        else
+        {
+            rootdir = (wim_directory_entry *)(wim_data->new_meta_data + 8);
+        }
 
         /* update all winpeshl.exe dirent entry's hash */
         ventoy_update_all_hash(node, wim_data->new_meta_data, rootdir);
@@ -831,6 +1171,7 @@ static int ventoy_update_before_chain(ventoy_os_param *param, char *isopath)
 static int ventoy_wimdows_locate_wim(const char *disk, wim_patch *patch)
 {
     int rc;
+    grub_uint16_t i;
     grub_file_t file;
     grub_uint32_t exe_len;
     grub_uint8_t *exe_data = NULL;
@@ -839,6 +1180,7 @@ static int ventoy_wimdows_locate_wim(const char *disk, wim_patch *patch)
     wim_security_header *security = NULL;
     wim_directory_entry *rootdir = NULL;
     wim_directory_entry *search = NULL;
+    wim_stream_entry *stream = NULL;
     wim_header *head = &(patch->wim_data.wim_header);    
     wim_tail *wim_data = &patch->wim_data;
     
@@ -891,8 +1233,16 @@ static int ventoy_wimdows_locate_wim(const char *disk, wim_patch *patch)
         rootdir = (wim_directory_entry *)(decompress_data + 8);
     }
 
+
+    debug("read lookup offset:%llu size:%llu\n", (ulonglong)head->lookup.offset, (ulonglong)head->lookup.raw_size);
+    lookup = grub_malloc(head->lookup.raw_size);
+    grub_file_seek(file, head->lookup.offset);
+    grub_file_read(file, lookup, head->lookup.raw_size);
+
+
+
     /* search winpeshl.exe dirent entry */
-    search = search_replace_wim_dirent(decompress_data, rootdir);
+    search = search_replace_wim_dirent(file, head, lookup, decompress_data, rootdir);
     if (!search)
     {
         debug("Failed to find replace file %p\n", search);
@@ -901,14 +1251,30 @@ static int ventoy_wimdows_locate_wim(const char *disk, wim_patch *patch)
     }
     
     debug("find replace file at %p\n", search);
+
+    grub_memset(&patch->old_hash, 0, sizeof(wim_hash));
+    if (grub_memcmp(&patch->old_hash, search->hash.sha1, sizeof(wim_hash)) == 0)
+    {
+        debug("search hash all 0, now do deep search\n");
+        stream = (wim_stream_entry *)((char *)search + search->len);
+        for (i = 0; i < search->streams; i++)
+        {
+            if (stream->name_len == 0)
+            {
+                grub_memcpy(&patch->old_hash, stream->hash.sha1, sizeof(wim_hash));
+                debug("new search hash: %02x %02x %02x %02x %02x %02x %02x %02x\n", 
+                    ventoy_varg_8(patch->old_hash.sha1));
+                break;
+            }
+            stream = (wim_stream_entry *)((char *)stream + stream->len);
+        }
+    }
+    else
+    {
+        grub_memcpy(&patch->old_hash, search->hash.sha1, sizeof(wim_hash));        
+    }
+
     
-    grub_memcpy(&patch->old_hash, search->hash.sha1, sizeof(wim_hash));
-
-    debug("read lookup offset:%llu size:%llu\n", (ulonglong)head->lookup.offset, (ulonglong)head->lookup.raw_size);
-    lookup = grub_malloc(head->lookup.raw_size);
-    grub_file_seek(file, head->lookup.offset);
-    grub_file_read(file, lookup, head->lookup.raw_size);
-
     /* find and extact winpeshl.exe */
     patch->replace_look = ventoy_find_look_entry(head, lookup, &patch->old_hash);
     if (patch->replace_look)
@@ -929,8 +1295,8 @@ static int ventoy_wimdows_locate_wim(const char *disk, wim_patch *patch)
     }
     else
     {
-        debug("failed to find lookup entry for replace file 0x%02x 0x%02x\n", 
-               patch->old_hash.sha1[0],  patch->old_hash.sha1[1]);
+        debug("failed to find lookup entry for replace file %02x %02x %02x %02x\n", 
+            ventoy_varg_4(patch->old_hash.sha1));
     }
 
     wim_data->wim_raw_size = (grub_uint32_t)file->size;
@@ -1083,7 +1449,48 @@ static void ventoy_windows_fill_override_data_iso9660(    grub_uint64_t isosize,
     return;
 }
 
-static void ventoy_windows_fill_override_data_udf(    grub_uint64_t isosize, void *override)
+static int ventoy_windows_fill_udf_short_ad(grub_file_t isofile, grub_uint32_t curpos, 
+    wim_tail *wim_data, grub_uint32_t new_wim_size)
+{
+    int i;
+    grub_uint32_t total = 0;
+    grub_uint32_t left_size = 0;
+    ventoy_udf_override *udf = NULL;
+    ventoy_udf_override tmp[4];
+    
+    grub_memset(tmp, 0, sizeof(tmp));
+    grub_file_seek(isofile, wim_data->override_offset);
+    grub_file_read(isofile, tmp, sizeof(tmp));
+
+    left_size = new_wim_size;
+    udf = (ventoy_udf_override *)wim_data->override_data;
+
+    for (i = 0; i < 4; i++)
+    {
+        total += tmp[i].length;
+        if (total >= wim_data->wim_raw_size)
+        {
+            udf->length   = left_size;
+            udf->position = curpos;
+            return 0;
+        }
+        else
+        {
+            udf->length   = tmp[i].length;
+            udf->position = curpos;
+        }
+
+        left_size -= tmp[i].length;
+        curpos += udf->length / 2048;
+        udf++;
+        wim_data->override_len += sizeof(ventoy_udf_override);
+    }
+
+    debug("######## Too many udf ad ######\n");
+    return 1;
+}
+
+static void ventoy_windows_fill_override_data_udf(grub_file_t isofile, void *override)
 {
     grub_uint32_t data32;
     grub_uint64_t data64;
@@ -1094,9 +1501,8 @@ static void ventoy_windows_fill_override_data_udf(    grub_uint64_t isosize, voi
     ventoy_override_chunk *cur;
     wim_patch *node = NULL;
     wim_tail *wim_data = NULL;
-    ventoy_udf_override *udf = NULL;
 
-    sector = (isosize + 2047) / 2048;
+    sector = (isofile->size + 2047) / 2048;
 
     cur = (ventoy_override_chunk *)override;
     
@@ -1106,7 +1512,7 @@ static void ventoy_windows_fill_override_data_udf(    grub_uint64_t isosize, voi
         cur++;
     }
 
-    debug("ventoy_windows_fill_override_data_udf %lu\n", (ulong)isosize);
+    debug("ventoy_windows_fill_override_data_udf %lu\n", (ulong)isofile->size);
 
     for (node = g_wim_patch_head; node; node = node->next)
     {
@@ -1147,13 +1553,11 @@ static void ventoy_windows_fill_override_data_udf(    grub_uint64_t isosize, voi
         data64 = new_wim_size;
         grub_memcpy(cur->override_data, &(data64), 8);
 
-        udf = (ventoy_udf_override *)wim_data->override_data;
-        udf->length   = new_wim_size;
-        udf->position = (grub_uint32_t)sector - udf_start_block;
+        /* override 3: position and length in extend data */
+        ventoy_windows_fill_udf_short_ad(isofile, (grub_uint32_t)sector - udf_start_block, wim_data, new_wim_size);
 
         sector += (new_wim_size / 2048);
-
-        /* override 3: position and length in extend data */
+        
         cur++;
         cur->img_offset = wim_data->override_offset;
         cur->override_size = wim_data->override_len;
@@ -1330,6 +1734,54 @@ end:
     return rc;
 }
 
+grub_err_t ventoy_cmd_windows_wimboot_data(grub_extcmd_context_t ctxt, int argc, char **args)
+{
+    grub_uint32_t size = 0;
+    const char *addr = NULL;
+    ventoy_chain_head *chain = NULL;
+    ventoy_os_param *param = NULL;
+    char envbuf[64];
+
+    (void)ctxt;
+    (void)argc;
+    (void)args;
+
+    addr = grub_env_get("vtoy_chain_mem_addr");
+    if (!addr)
+    {
+        debug("Failed to find vtoy_chain_mem_addr\n");
+        return 1;
+    }
+
+    chain = (ventoy_chain_head *)(void *)grub_strtoul(addr, NULL, 16);
+
+    if (grub_memcmp(&g_ventoy_guid, &chain->os_param.guid, 16) != 0)
+    {
+        debug("os_param.guid not match\n");
+        return 1;
+    }
+
+    size = sizeof(ventoy_os_param) + sizeof(ventoy_windows_data);
+    param = (ventoy_os_param *)grub_zalloc(size);
+    if (!param)
+    {
+        return 1;
+    }
+
+    grub_memcpy(param, &chain->os_param, sizeof(ventoy_os_param));
+    ventoy_fill_windows_rtdata(param + 1, param->vtoy_img_path);
+
+    grub_snprintf(envbuf, sizeof(envbuf), "0x%lx", (unsigned long)param);
+    grub_env_set("vtoy_wimboot_mem_addr", envbuf);
+    debug("vtoy_wimboot_mem_addr: %s\n", envbuf);
+    
+    grub_snprintf(envbuf, sizeof(envbuf), "%u", size);
+    grub_env_set("vtoy_wimboot_mem_size", envbuf);
+    debug("vtoy_wimboot_mem_size: %s\n", envbuf);
+    
+    VENTOY_CMD_RETURN(GRUB_ERR_NONE);
+}
+
 grub_err_t ventoy_cmd_windows_chain_data(grub_extcmd_context_t ctxt, int argc, char **args)
 {
     int unknown_image = 0;
@@ -1499,7 +1951,7 @@ grub_err_t ventoy_cmd_windows_chain_data(grub_extcmd_context_t ctxt, int argc, c
     }
     else
     {
-        ventoy_windows_fill_override_data_udf(isosize, (char *)chain + chain->override_chunk_offset);        
+        ventoy_windows_fill_override_data_udf(file, (char *)chain + chain->override_chunk_offset);        
     }
 
     /* part 5: virt chunk */
@@ -1542,21 +1994,12 @@ static grub_uint32_t ventoy_get_wim_iso_offset(const char *filepath)
     return imgoffset;
 }
 
-static int ventoy_get_wim_chunklist(const char *filename, ventoy_img_chunk_list *wimchunk, grub_uint64_t *wimsize)
+static int ventoy_get_wim_chunklist(grub_file_t wimfile, ventoy_img_chunk_list *wimchunk)
 {
-    grub_file_t wimfile;
-    
-    wimfile = ventoy_grub_file_open(VENTOY_FILE_TYPE, "%s", filename);
-    if (!wimfile)
-    {
-        return 1;
-    }
-
     grub_memset(wimchunk, 0, sizeof(ventoy_img_chunk_list));
     wimchunk->chunk = grub_malloc(sizeof(ventoy_img_chunk) * DEFAULT_CHUNK_NUM);
     if (NULL == wimchunk->chunk)
     {
-        grub_file_close(wimfile);
         return grub_error(GRUB_ERR_OUT_OF_MEMORY, "Can't allocate image chunk memoty\n");
     }
     
@@ -1565,9 +2008,6 @@ static int ventoy_get_wim_chunklist(const char *filename, ventoy_img_chunk_list
     
     ventoy_get_block_list(wimfile, wimchunk, wimfile->device->disk->partition->start);
 
-    *wimsize = wimfile->size;
-    grub_file_close(wimfile);
-
     return 0;
 }
 
@@ -1606,7 +2046,7 @@ grub_err_t ventoy_cmd_wim_check_bootable(grub_extcmd_context_t ctxt, int argc, c
     VENTOY_CMD_RETURN(GRUB_ERR_NONE);
 }
 
-grub_err_t ventoy_cmd_wim_chain_data(grub_extcmd_context_t ctxt, int argc, char **args)
+static grub_err_t ventoy_vlnk_wim_chain_data(grub_file_t wimfile)
 {
     grub_uint32_t i = 0;
     grub_uint32_t imgoffset = 0;
@@ -1627,10 +2067,7 @@ grub_err_t ventoy_cmd_wim_chain_data(grub_extcmd_context_t ctxt, int argc, char
     ventoy_img_chunk_list wimchunk;
     char envbuf[128];
     
-    (void)ctxt;
-    (void)argc;
-
-    debug("wim chain data begin <%s> ...\n", args[0]);
+    debug("vlnk wim chain data begin <%s> ...\n", wimfile->name);
 
     if (NULL == g_wimiso_chunk_list.chunk || NULL == g_wimiso_path)
     {
@@ -1645,11 +2082,177 @@ grub_err_t ventoy_cmd_wim_chain_data(grub_extcmd_context_t ctxt, int argc, char
         return 1;
     }
 
-    if (0 != ventoy_get_wim_chunklist(args[0], &wimchunk, &wimsize))
+    if (0 != ventoy_get_wim_chunklist(wimfile, &wimchunk))
     {
         grub_printf("Failed to get wim chunklist\n");
         return 1;
     }
+    wimsize = wimfile->size;
+
+    file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "%s", g_wimiso_path);
+    if (!file)
+    {
+        return 1;
+    }
+
+    boot_catlog = ventoy_get_iso_boot_catlog(file);
+
+    img_chunk1_size = g_wimiso_chunk_list.cur_chunk * sizeof(ventoy_img_chunk);
+    img_chunk2_size = wimchunk.cur_chunk * sizeof(ventoy_img_chunk);
+    override_size = sizeof(ventoy_override_chunk) + g_wimiso_size;
+
+    size = sizeof(ventoy_chain_head) + img_chunk1_size + img_chunk2_size + override_size;
+
+    pLastChain = grub_env_get("vtoy_chain_mem_addr");
+    if (pLastChain)
+    {
+        chain = (ventoy_chain_head *)grub_strtoul(pLastChain, NULL, 16);
+        if (chain)
+        {
+            debug("free last chain memory %p\n", chain);
+            grub_free(chain);
+        }
+    }
+
+    chain = grub_malloc(size);
+    if (!chain)
+    {
+        grub_printf("Failed to alloc chain memory size %u\n", size);
+        grub_file_close(file);
+        return 1;
+    }
+
+    grub_snprintf(envbuf, sizeof(envbuf), "0x%lx", (unsigned long)chain);
+    grub_env_set("vtoy_chain_mem_addr", envbuf);
+    grub_snprintf(envbuf, sizeof(envbuf), "%u", size);
+    grub_env_set("vtoy_chain_mem_size", envbuf);
+
+    grub_memset(chain, 0, sizeof(ventoy_chain_head));
+
+    /* part 1: os parameter */
+    g_ventoy_chain_type = ventoy_chain_wim;
+    ventoy_fill_os_param(wimfile, &(chain->os_param));
+
+    /* part 2: chain head */
+    disk = wimfile->device->disk;
+    chain->disk_drive = disk->id;
+    chain->disk_sector_size = (1 << disk->log_sector_size);
+    chain->real_img_size_in_bytes = ventoy_align_2k(file->size) + ventoy_align_2k(wimsize);
+    chain->virt_img_size_in_bytes = chain->real_img_size_in_bytes;
+    chain->boot_catalog = boot_catlog;
+
+    if (!ventoy_is_efi_os())
+    {
+        grub_file_seek(file, boot_catlog * 2048);
+        grub_file_read(file, chain->boot_catalog_sector, sizeof(chain->boot_catalog_sector));
+    }
+
+    /* part 3: image chunk */
+    chain->img_chunk_offset = sizeof(ventoy_chain_head);
+    chain->img_chunk_num = g_wimiso_chunk_list.cur_chunk + wimchunk.cur_chunk;
+    grub_memcpy((char *)chain + chain->img_chunk_offset, g_wimiso_chunk_list.chunk, img_chunk1_size);
+
+    chunknode = (ventoy_img_chunk *)((char *)chain + chain->img_chunk_offset);
+    for (i = 0; i < g_wimiso_chunk_list.cur_chunk; i++)
+    {
+        chunknode->disk_end_sector = chunknode->disk_end_sector - chunknode->disk_start_sector;
+        chunknode->disk_start_sector = 0;
+        chunknode++;
+    }
+
+    /* fs cluster size >= 2048, so don't need to proc align */
+
+    /* align by 2048 */
+    chunknode = wimchunk.chunk + wimchunk.cur_chunk - 1;
+    i = (chunknode->disk_end_sector + 1 - chunknode->disk_start_sector) % 4;
+    if (i)
+    {
+        chunknode->disk_end_sector += 4 - i;
+    }
+
+    isosector = (grub_uint32_t)((file->size + 2047) / 2048);
+    for (i = 0; i < wimchunk.cur_chunk; i++)
+    {
+        chunknode = wimchunk.chunk + i;
+        chunknode->img_start_sector = isosector;
+        chunknode->img_end_sector = chunknode->img_start_sector + 
+            ((chunknode->disk_end_sector + 1 - chunknode->disk_start_sector) / 4) - 1;
+        isosector = chunknode->img_end_sector + 1;
+    }
+    
+    grub_memcpy((char *)chain + chain->img_chunk_offset + img_chunk1_size, wimchunk.chunk, img_chunk2_size);
+
+    /* part 4: override chunk */
+    chain->override_chunk_offset = chain->img_chunk_offset + img_chunk1_size + img_chunk2_size;
+    chain->override_chunk_num = 1;
+
+    override = (ventoy_override_chunk *)((char *)chain + chain->override_chunk_offset);
+    override->img_offset = 0;
+    override->override_size = g_wimiso_size;
+
+    grub_file_seek(file, 0);
+    grub_file_read(file, override->override_data, file->size);
+    
+    dirent = (ventoy_iso9660_override *)(override->override_data + imgoffset);
+    dirent->first_sector    = (grub_uint32_t)((file->size + 2047) / 2048);
+    dirent->size            = (grub_uint32_t)(wimsize);
+    dirent->first_sector_be = grub_swap_bytes32(dirent->first_sector);
+    dirent->size_be         = grub_swap_bytes32(dirent->size);
+
+    debug("imgoffset=%u first_sector=0x%x size=0x%x\n", imgoffset, dirent->first_sector, dirent->size);
+
+    if (ventoy_is_efi_os() == 0)
+    {
+        ventoy_windows_drive_map(chain);        
+    }
+
+    grub_file_close(file);
+
+    VENTOY_CMD_RETURN(GRUB_ERR_NONE);
+}
+
+static grub_err_t ventoy_normal_wim_chain_data(grub_file_t wimfile)
+{
+    grub_uint32_t i = 0;
+    grub_uint32_t imgoffset = 0;
+    grub_uint32_t size = 0;
+    grub_uint32_t isosector = 0;
+    grub_uint64_t wimsize = 0;
+    grub_uint32_t boot_catlog = 0;
+    grub_uint32_t img_chunk1_size = 0;
+    grub_uint32_t img_chunk2_size = 0;
+    grub_uint32_t override_size = 0;
+    grub_file_t file;
+    grub_disk_t disk;
+    const char *pLastChain = NULL;
+    ventoy_chain_head *chain;
+    ventoy_iso9660_override *dirent;
+    ventoy_img_chunk *chunknode;
+    ventoy_override_chunk *override;
+    ventoy_img_chunk_list wimchunk;
+    char envbuf[128];
+    
+    debug("normal wim chain data begin <%s> ...\n", wimfile->name);
+
+    if (NULL == g_wimiso_chunk_list.chunk || NULL == g_wimiso_path)
+    {
+        grub_printf("ventoy not ready\n");
+        return 1;
+    }
+
+    imgoffset = ventoy_get_wim_iso_offset(g_wimiso_path);
+    if (imgoffset == 0)
+    {
+        grub_printf("image offset not found\n");
+        return 1;
+    }
+
+    if (0 != ventoy_get_wim_chunklist(wimfile, &wimchunk))
+    {
+        grub_printf("Failed to get wim chunklist\n");
+        return 1;
+    }
+    wimsize = wimfile->size;
 
     file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "%s", g_wimiso_path);
     if (!file)
@@ -1762,3 +2365,56 @@ grub_err_t ventoy_cmd_wim_chain_data(grub_extcmd_context_t ctxt, int argc, char
     VENTOY_CMD_RETURN(GRUB_ERR_NONE);
 }
 
+grub_err_t ventoy_cmd_wim_chain_data(grub_extcmd_context_t ctxt, int argc, char **args)
+{
+    grub_err_t ret;
+    grub_file_t wimfile;
+
+    (void)ctxt;
+    (void)argc;
+
+    wimfile = grub_file_open(args[0], VENTOY_FILE_TYPE);
+    if (!wimfile)
+    {
+        return 1;
+    }
+
+    if (wimfile->vlnk)
+    {
+        ret = ventoy_vlnk_wim_chain_data(wimfile);
+    }
+    else
+    {
+        ret = ventoy_normal_wim_chain_data(wimfile);
+    }
+
+    grub_file_close(wimfile);
+    return ret;
+}
+
+int ventoy_chain_file_size(const char *path)
+{
+    int size;
+    grub_file_t file;
+
+    file = grub_file_open(path, VENTOY_FILE_TYPE);
+    size = (int)(file->size);
+
+    grub_file_close(file);
+    
+    return size;
+}
+
+int ventoy_chain_file_read(const char *path, int offset, int len, void *buf)
+{
+    int size;
+    grub_file_t file;
+
+    file = grub_file_open(path, VENTOY_FILE_TYPE);
+    grub_file_seek(file, offset);
+    size = grub_file_read(file, buf, len);
+    grub_file_close(file);
+    
+    return size;
+}
+

GRUB2/MOD_SRC/grub-2.04/include/grub/efi/efi.h

@@ -87,6 +87,7 @@ EXPORT_FUNC (grub_efi_compare_device_paths) (const grub_efi_device_path_t *dp1,
 					     const grub_efi_device_path_t *dp2);
 
 void * EXPORT_FUNC (grub_efi_allocate_iso_buf) (grub_uint64_t size);
+void * EXPORT_FUNC (grub_efi_allocate_chain_buf) (grub_uint64_t size);
 
 
 extern void (*EXPORT_VAR(grub_efi_net_config)) (grub_efi_handle_t hnd, 

GRUB2/MOD_SRC/grub-2.04/include/grub/file.h

@@ -132,7 +132,8 @@ enum grub_file_type
 
     /* --skip-sig is specified.  */
     GRUB_FILE_TYPE_SKIP_SIGNATURE = 0x10000,
-    GRUB_FILE_TYPE_NO_DECOMPRESS = 0x20000
+    GRUB_FILE_TYPE_NO_DECOMPRESS = 0x20000,
+    GRUB_FILE_TYPE_NO_VLNK = 0x40000,
   };
 
 /* File description.  */
@@ -141,6 +142,8 @@ struct grub_file
   /* File name.  */
   char *name;
 
+  int vlnk;
+
   /* The underlying device.  */
   grub_device_t device;
 
@@ -213,6 +216,10 @@ grub_ssize_t EXPORT_FUNC(grub_file_read) (grub_file_t file, void *buf,
 grub_off_t EXPORT_FUNC(grub_file_seek) (grub_file_t file, grub_off_t offset);
 grub_err_t EXPORT_FUNC(grub_file_close) (grub_file_t file);
 
+int EXPORT_FUNC(grub_file_is_vlnk_suffix)(const char *name, int len);
+int EXPORT_FUNC(grub_file_add_vlnk)(const char *src, const char *dst);
+const char * EXPORT_FUNC(grub_file_get_vlnk)(const char *name, int *vlnk);
+
 /* Return value of grub_file_size() in case file size is unknown. */
 #define GRUB_FILE_SIZE_UNKNOWN	 0xffffffffffffffffULL
 

GRUB2/MOD_SRC/grub-2.04/include/grub/fs.h

@@ -128,5 +128,6 @@ grub_fs_unregister (grub_fs_t fs)
 #define FOR_FILESYSTEMS(var) FOR_LIST_ELEMENTS((var), (grub_fs_list))
 
 grub_fs_t EXPORT_FUNC(grub_fs_probe) (grub_device_t device);
+grub_fs_t EXPORT_FUNC(grub_fs_list_probe) (grub_device_t device, const char **list);
 
 #endif /* ! GRUB_FS_HEADER */

GRUB2/MOD_SRC/grub-2.04/include/grub/partition.h

@@ -0,0 +1,141 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 1999,2000,2001,2002,2004,2006,2007  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_PART_HEADER
+#define GRUB_PART_HEADER	1
+
+#include <grub/dl.h>
+#include <grub/list.h>
+
+struct grub_disk;
+
+typedef struct grub_partition *grub_partition_t;
+
+#ifdef GRUB_UTIL
+typedef enum
+{
+  GRUB_EMBED_PCBIOS
+} grub_embed_type_t;
+#endif
+
+typedef int (*grub_partition_iterate_hook_t) (struct grub_disk *disk,
+					      const grub_partition_t partition,
+					      void *data);
+
+/* Partition map type.  */
+struct grub_partition_map
+{
+  /* The next partition map type.  */
+  struct grub_partition_map *next;
+  struct grub_partition_map **prev;
+
+  /* The name of the partition map type.  */
+  const char *name;
+
+  /* Call HOOK with each partition, until HOOK returns non-zero.  */
+  grub_err_t (*iterate) (struct grub_disk *disk,
+			 grub_partition_iterate_hook_t hook, void *hook_data);
+#ifdef GRUB_UTIL
+  /* Determine sectors available for embedding.  */
+  grub_err_t (*embed) (struct grub_disk *disk, unsigned int *nsectors,
+		       unsigned int max_nsectors,
+		       grub_embed_type_t embed_type,
+		       grub_disk_addr_t **sectors);
+#endif
+};
+typedef struct grub_partition_map *grub_partition_map_t;
+
+/* Partition description.  */
+struct grub_partition
+{
+  /* The partition number.  */
+  int number;
+
+  /* The start sector (relative to parent).  */
+  grub_disk_addr_t start;
+
+  /* The length in sector units.  */
+  grub_uint64_t len;
+
+  /* The offset of the partition table.  */
+  grub_disk_addr_t offset;
+
+  /* The index of this partition in the partition table.  */
+  int index;
+
+  /* Parent partition (physically contains this partition).  */
+  struct grub_partition *parent;
+
+  /* The type partition map.  */
+  grub_partition_map_t partmap;
+
+  /* The type of partition whne it's on MSDOS.
+     Used for embedding detection.  */
+  grub_uint8_t msdostype;
+
+  /* The attrib field for GPT. Needed for priority detection. */
+  grub_uint64_t gpt_attrib;
+};
+
+grub_partition_t EXPORT_FUNC(grub_partition_probe) (struct grub_disk *disk,
+						    const char *str);
+int EXPORT_FUNC(grub_partition_iterate) (struct grub_disk *disk,
+					 grub_partition_iterate_hook_t hook,
+					 void *hook_data);
+char *EXPORT_FUNC(grub_partition_get_name) (const grub_partition_t partition);
+
+
+extern grub_partition_map_t EXPORT_VAR(grub_partition_map_list);
+
+#ifndef GRUB_LST_GENERATOR
+static inline void
+grub_partition_map_register (grub_partition_map_t partmap)
+{
+  grub_list_push (GRUB_AS_LIST_P (&grub_partition_map_list),
+		  GRUB_AS_LIST (partmap));
+}
+#endif
+
+static inline void
+grub_partition_map_unregister (grub_partition_map_t partmap)
+{
+  grub_list_remove (GRUB_AS_LIST (partmap));
+}
+
+#define FOR_PARTITION_MAPS(var) FOR_LIST_ELEMENTS((var), (grub_partition_map_list))
+
+
+static inline grub_disk_addr_t
+grub_partition_get_start (const grub_partition_t p)
+{
+  grub_partition_t part;
+  grub_uint64_t part_start = 0;
+
+  for (part = p; part; part = part->parent)
+    part_start += part->start;
+
+  return part_start;
+}
+
+static inline grub_uint64_t
+grub_partition_get_len (const grub_partition_t p)
+{
+  return p->len;
+}
+
+#endif /* ! GRUB_PART_HEADER */

GRUB2/MOD_SRC/grub-2.04/include/grub/ventoy.h

@@ -121,6 +121,9 @@ typedef struct ventoy_os_param
      * vtoy_reserved[2]: vtoy_chain_type     0:Linux    1:Windows  2:wimfile
      * vtoy_reserved[3]: vtoy_iso_format     0:iso9660  1:udf
      * vtoy_reserved[4]: vtoy_windows_cd_prompt
+     * vtoy_reserved[5]: vtoy_linux_remount
+     * vtoy_reserved[6]: vtoy_vlnk
+     * vtoy_reserved[7~10]: vtoy_disk_sig[4] used for vlnk
      *
      */
     grub_uint8_t   vtoy_reserved[32];    // Internal use by ventoy
@@ -135,7 +138,8 @@ typedef struct ventoy_windows_data
 {
     char auto_install_script[384];
     char injection_archive[384];
-    grub_uint8_t reserved[256];
+    grub_uint8_t windows11_bypass_check;
+    grub_uint8_t reserved[255];
 }ventoy_windows_data;
 
 
@@ -149,11 +153,23 @@ typedef struct ventoy_secure_data
     grub_uint8_t magic2[16];     /* VENTOY_GUID */
 }ventoy_secure_data;
 
+
+typedef struct ventoy_vlnk
+{
+    ventoy_guid   guid;         // VENTOY_GUID
+    grub_uint32_t crc32;        // crc32
+    grub_uint32_t disk_signature;
+    grub_uint64_t part_offset; // in bytes
+    char filepath[384];
+    grub_uint8_t reserved[96];
+}ventoy_vlnk;
+
 #pragma pack()
 
 // compile assert check : sizeof(ventoy_os_param) must be 512
 COMPILE_ASSERT(1,sizeof(ventoy_os_param) == 512);
 COMPILE_ASSERT(2,sizeof(ventoy_secure_data) == 4096);
+COMPILE_ASSERT(3,sizeof(ventoy_vlnk) == 512);
 
 
 
@@ -241,6 +257,7 @@ typedef struct ventoy_img_chunk_list
 #pragma pack(1)
 
 #define GRUB_FILE_REPLACE_MAGIC  0x1258BEEF
+#define GRUB_IMG_REPLACE_MAGIC   0x1259BEEF
 
 typedef const char * (*grub_env_get_pf)(const char *name);
 typedef int (*grub_env_set_pf)(const char *name, const char *val);
@@ -259,6 +276,7 @@ typedef struct ventoy_grub_param
     grub_env_get_pf grub_env_get;
     grub_env_set_pf grub_env_set;
     ventoy_grub_param_file_replace file_replace;
+    ventoy_grub_param_file_replace img_replace;
     grub_env_printf_pf grub_env_printf;
 }ventoy_grub_param;
 
@@ -267,6 +285,7 @@ typedef struct ventoy_grub_param
 int grub_ext_get_file_chunk(grub_uint64_t part_start, grub_file_t file, ventoy_img_chunk_list *chunk_list);
 int grub_fat_get_file_chunk(grub_uint64_t part_start, grub_file_t file, ventoy_img_chunk_list *chunk_list);
 void grub_iso9660_set_nojoliet(int nojoliet);
+int grub_iso9660_is_joliet(void);
 grub_uint64_t grub_iso9660_get_last_read_pos(grub_file_t file);
 grub_uint64_t grub_iso9660_get_last_file_dirent_pos(grub_file_t file);
 grub_uint64_t grub_udf_get_file_offset(grub_file_t file);

GRUB2/MOD_SRC/grub-2.04/install.sh

@@ -12,14 +12,14 @@ make install
 PATH=$PATH:$VT_DIR/GRUB2/INSTALL/bin/:$VT_DIR/GRUB2/INSTALL/sbin/
 
 net_modules_legacy="net tftp http"
-all_modules_legacy="setkey date drivemap blocklist regexp newc vga_text ntldr search at_keyboard usb_keyboard  gcry_md5 hashsum gzio xzio lzopio lspci pci ext2 xfs ventoy chain read halt iso9660 linux16 test true sleep reboot echo videotest videoinfo videotest_checksum video_colors video_cirrus video_bochs vga vbe video_fb font video gettext extcmd terminal  linux minicmd help configfile tr trig boot biosdisk disk ls tar squash4 password_pbkdf2 all_video png jpeg part_gpt part_msdos fat exfat ntfs loopback gzio normal  udf gfxmenu gfxterm gfxterm_background gfxterm_menu"
+all_modules_legacy="file setkey date drivemap blocklist regexp newc vga_text ntldr search at_keyboard usb_keyboard  gcry_md5 hashsum gzio xzio lzopio lspci pci ext2 xfs ventoy chain read halt iso9660 linux16 test true sleep reboot echo videotest videoinfo videotest_checksum video_colors video_cirrus video_bochs vga vbe video_fb font video gettext extcmd terminal  linux minicmd help configfile tr trig boot biosdisk disk ls tar squash4 password_pbkdf2 all_video png jpeg part_gpt part_msdos fat exfat ntfs loopback gzio normal  udf gfxmenu gfxterm gfxterm_background gfxterm_menu"
 
 net_modules_uefi="efinet net tftp http"
-all_modules_uefi="setkey blocklist ventoy test true regexp newc search at_keyboard usb_keyboard  gcry_md5 hashsum gzio xzio lzopio ext2 xfs read halt sleep serial terminfo png password_pbkdf2 gcry_sha512 pbkdf2 part_gpt part_msdos ls tar squash4 loopback part_apple minicmd diskfilter linux relocator jpeg iso9660 udf hfsplus halt acpi mmap gfxmenu video_colors trig bitmap_scale gfxterm bitmap font fat exfat ntfs fshelp efifwsetup reboot echo configfile normal terminal gettext chain  priority_queue bufio datetime cat extcmd crypto gzio boot all_video efi_gop efi_uga video_bochs video_cirrus video video_fb gfxterm_background gfxterm_menu"
+all_modules_uefi="file setkey blocklist ventoy test true regexp newc search at_keyboard usb_keyboard  gcry_md5 hashsum gzio xzio lzopio ext2 xfs read halt sleep serial terminfo png password_pbkdf2 gcry_sha512 pbkdf2 part_gpt part_msdos ls tar squash4 loopback part_apple minicmd diskfilter linux relocator jpeg iso9660 udf hfsplus halt acpi mmap gfxmenu video_colors trig bitmap_scale gfxterm bitmap font fat exfat ntfs fshelp efifwsetup reboot echo configfile normal terminal gettext chain  priority_queue bufio datetime cat extcmd crypto gzio boot all_video efi_gop efi_uga video_bochs video_cirrus video video_fb gfxterm_background gfxterm_menu"
 
-all_modules_arm64_uefi="setkey blocklist ventoy test true regexp newc search  gcry_md5 hashsum gzio xzio lzopio ext2 xfs read halt sleep serial terminfo png password_pbkdf2 gcry_sha512 pbkdf2 part_gpt part_msdos ls tar squash4 loopback part_apple minicmd diskfilter linux jpeg iso9660 udf hfsplus halt acpi mmap gfxmenu video_colors trig bitmap_scale gfxterm bitmap font fat exfat ntfs fshelp efifwsetup reboot echo configfile normal terminal gettext chain  priority_queue bufio datetime cat extcmd crypto gzio boot all_video efi_gop video video_fb gfxterm_background gfxterm_menu"
+all_modules_arm64_uefi="file setkey blocklist ventoy test true regexp newc search  gcry_md5 hashsum gzio xzio lzopio ext2 xfs read halt sleep serial terminfo png password_pbkdf2 gcry_sha512 pbkdf2 part_gpt part_msdos ls tar squash4 loopback part_apple minicmd diskfilter linux jpeg iso9660 udf hfsplus halt acpi mmap gfxmenu video_colors trig bitmap_scale gfxterm bitmap font fat exfat ntfs fshelp efifwsetup reboot echo configfile normal terminal gettext chain  priority_queue bufio datetime cat extcmd crypto gzio boot all_video efi_gop video video_fb gfxterm_background gfxterm_menu"
 
-all_modules_mips64el_uefi="setkey blocklist ventoy test true regexp newc search  gcry_md5 hashsum gzio xzio lzopio ext2 xfs read halt sleep serial terminfo png password_pbkdf2 gcry_sha512 pbkdf2 part_gpt part_msdos ls tar squash4 loopback part_apple minicmd diskfilter linux jpeg iso9660 udf hfsplus halt acpi mmap gfxmenu video_colors trig bitmap_scale gfxterm bitmap font fat exfat ntfs fshelp efifwsetup reboot echo configfile normal terminal gettext chain  priority_queue bufio datetime cat extcmd crypto gzio boot all_video efi_gop video video_fb gfxterm_background gfxterm_menu"
+all_modules_mips64el_uefi="file setkey blocklist ventoy test true regexp newc search  gcry_md5 hashsum gzio xzio lzopio ext2 xfs read halt sleep serial terminfo png password_pbkdf2 gcry_sha512 pbkdf2 part_gpt part_msdos ls tar squash4 loopback part_apple minicmd diskfilter linux jpeg iso9660 udf hfsplus halt acpi mmap gfxmenu video_colors trig bitmap_scale gfxterm bitmap font fat exfat ntfs fshelp efifwsetup reboot echo configfile normal terminal gettext chain  priority_queue bufio datetime cat extcmd crypto gzio boot all_video efi_gop video video_fb gfxterm_background gfxterm_menu"
 
 
 if [ "$1" = "uefi" ]; then
@@ -97,6 +97,8 @@ elif [ "$1" = "arm64" ]; then
         if ! echo $all_modules | grep -q " ${line%.mod} "; then
             echo "Copy $line ..."
             cp -a $VT_DIR/GRUB2/INSTALL/lib/grub/arm64-efi/$line    $VT_DIR/INSTALL/grub/arm64-efi/
+            xz $VT_DIR/INSTALL/grub/arm64-efi/$line
+            mv $VT_DIR/INSTALL/grub/arm64-efi/${line}.xz $VT_DIR/INSTALL/grub/arm64-efi/${line}
         fi
     done
 elif [ "$1" = "mips64el" ]; then

GRUB2/MOD_SRC/grub-2.04/util/setup.c

@@ -0,0 +1,878 @@
+/* grub-setup.c - make GRUB usable */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <grub/types.h>
+#include <grub/emu/misc.h>
+#include <grub/util/misc.h>
+#include <grub/device.h>
+#include <grub/disk.h>
+#include <grub/file.h>
+#include <grub/fs.h>
+#include <grub/partition.h>
+#include <grub/env.h>
+#include <grub/emu/hostdisk.h>
+#include <grub/term.h>
+#include <grub/i18n.h>
+
+#ifdef GRUB_SETUP_SPARC64
+#include <grub/util/ofpath.h>
+#include <grub/sparc64/ieee1275/boot.h>
+#include <grub/sparc64/ieee1275/kernel.h>
+#else
+#include <grub/i386/pc/boot.h>
+#include <grub/i386/pc/kernel.h>
+#endif
+
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <assert.h>
+#include <grub/emu/getroot.h>
+#include "progname.h"
+#include <grub/reed_solomon.h>
+#include <grub/msdos_partition.h>
+#include <grub/crypto.h>
+#include <grub/util/install.h>
+#include <grub/emu/hostfile.h>
+
+#include <errno.h>
+
+/* On SPARC this program fills in various fields inside of the 'boot' and 'core'
+ * image files.
+ *
+ * The 'boot' image needs to know the OBP path name of the root
+ * device.  It also needs to know the initial block number of
+ * 'core' (which is 'diskboot' concatenated with 'kernel' and
+ * all the modules, this is created by grub-mkimage).  This resulting
+ * 'boot' image is 512 bytes in size and is placed in the second block
+ * of a partition.
+ *
+ * The initial 'diskboot' block acts as a loader for the actual GRUB
+ * kernel.  It contains the loading code and then a block list.
+ *
+ * The block list of 'core' starts at the end of the 'diskboot' image
+ * and works it's way backwards towards the end of the code of 'diskboot'.
+ *
+ * We patch up the images with the necessary values and write out the
+ * result.
+ */
+
+#ifdef GRUB_SETUP_SPARC64
+#define grub_target_to_host16(x)	grub_be_to_cpu16(x)
+#define grub_target_to_host32(x)	grub_be_to_cpu32(x)
+#define grub_target_to_host64(x)	grub_be_to_cpu64(x)
+#define grub_host_to_target16(x)	grub_cpu_to_be16(x)
+#define grub_host_to_target32(x)	grub_cpu_to_be32(x)
+#define grub_host_to_target64(x)	grub_cpu_to_be64(x)
+#elif defined (GRUB_SETUP_BIOS)
+#define grub_target_to_host16(x)	grub_le_to_cpu16(x)
+#define grub_target_to_host32(x)	grub_le_to_cpu32(x)
+#define grub_target_to_host64(x)	grub_le_to_cpu64(x)
+#define grub_host_to_target16(x)	grub_cpu_to_le16(x)
+#define grub_host_to_target32(x)	grub_cpu_to_le32(x)
+#define grub_host_to_target64(x)	grub_cpu_to_le64(x)
+#else
+#error Complete this
+#endif
+
+static void
+write_rootdev (grub_device_t root_dev,
+	       char *boot_img, grub_uint64_t first_sector)
+{
+#ifdef GRUB_SETUP_BIOS
+  {
+    grub_uint8_t *boot_drive;
+    void *kernel_sector;
+    boot_drive = (grub_uint8_t *) (boot_img + GRUB_BOOT_MACHINE_BOOT_DRIVE);
+    kernel_sector = (boot_img + GRUB_BOOT_MACHINE_KERNEL_SECTOR);
+
+    /* FIXME: can this be skipped?  */
+    *boot_drive = 0xFF;
+
+    grub_set_unaligned64 (kernel_sector, grub_cpu_to_le64 (first_sector));
+  }
+#endif
+#ifdef GRUB_SETUP_SPARC64
+  {
+    void *kernel_byte;
+    kernel_byte = (boot_img + GRUB_BOOT_AOUT_HEADER_SIZE
+		   + GRUB_BOOT_MACHINE_KERNEL_BYTE);
+    grub_set_unaligned64 (kernel_byte,
+			  grub_cpu_to_be64 (first_sector << GRUB_DISK_SECTOR_BITS));
+  }
+#endif
+}
+
+#ifdef GRUB_SETUP_SPARC64
+#define BOOT_SECTOR 1
+#else
+#define BOOT_SECTOR 0
+#endif
+
+/* Helper for setup.  */
+
+struct blocklists
+{
+  struct grub_boot_blocklist *first_block, *block;
+#ifdef GRUB_SETUP_BIOS
+  grub_uint16_t current_segment;
+#endif
+#ifdef GRUB_SETUP_SPARC64
+  grub_uint64_t gpt_offset;
+#endif
+  grub_uint16_t last_length;
+  grub_disk_addr_t first_sector;
+};
+
+/* Helper for setup.  */
+static void
+save_blocklists (grub_disk_addr_t sector, unsigned offset, unsigned length,
+		 void *data)
+{
+  struct blocklists *bl = data;
+  struct grub_boot_blocklist *prev = bl->block + 1;
+  grub_uint64_t seclen;
+
+#ifdef GRUB_SETUP_SPARC64
+  sector -= bl->gpt_offset;
+#endif
+
+  grub_util_info ("saving <%"  GRUB_HOST_PRIuLONG_LONG ",%u,%u>",
+		  (unsigned long long) sector, offset, length);
+
+  if (bl->first_sector == (grub_disk_addr_t) -1)
+    {
+      if (offset != 0 || length < GRUB_DISK_SECTOR_SIZE)
+	grub_util_error ("%s", _("the first sector of the core file is not sector-aligned"));
+
+      bl->first_sector = sector;
+      sector++;
+      length -= GRUB_DISK_SECTOR_SIZE;
+      if (!length)
+	return;
+    }
+
+  if (offset != 0 || bl->last_length != 0)
+    grub_util_error ("%s", _("non-sector-aligned data is found in the core file"));
+
+  seclen = (length + GRUB_DISK_SECTOR_SIZE - 1) >> GRUB_DISK_SECTOR_BITS;
+
+  if (bl->block != bl->first_block
+      && (grub_target_to_host64 (prev->start)
+	  + grub_target_to_host16 (prev->len)) == sector)
+    {
+      grub_uint16_t t = grub_target_to_host16 (prev->len);
+      t += seclen;
+      prev->len = grub_host_to_target16 (t);
+    }
+  else
+    {
+      bl->block->start = grub_host_to_target64 (sector);
+      bl->block->len = grub_host_to_target16 (seclen);
+#ifdef GRUB_SETUP_BIOS
+      bl->block->segment = grub_host_to_target16 (bl->current_segment);
+#endif
+
+      bl->block--;
+      if (bl->block->len)
+	grub_util_error ("%s", _("the sectors of the core file are too fragmented"));
+    }
+
+  bl->last_length = length & (GRUB_DISK_SECTOR_SIZE - 1);
+#ifdef GRUB_SETUP_BIOS
+  bl->current_segment += seclen << (GRUB_DISK_SECTOR_BITS - 4);
+#endif
+}
+
+/* Context for setup/identify_partmap.  */
+struct identify_partmap_ctx
+{
+  grub_partition_map_t dest_partmap;
+  grub_partition_t container;
+  int multiple_partmaps;
+};
+
+/* Helper for setup.
+   Unlike root_dev, with dest_dev we're interested in the partition map even
+   if dest_dev itself is a whole disk.  */
+static int
+identify_partmap (grub_disk_t disk __attribute__ ((unused)),
+		  const grub_partition_t p, void *data)
+{
+  struct identify_partmap_ctx *ctx = data;
+
+  if (p->parent != ctx->container)
+    return 0;
+  /* NetBSD and OpenBSD subpartitions have metadata inside a partition,
+     so they are safe to ignore.
+   */
+  if (grub_strcmp (p->partmap->name, "netbsd") == 0
+      || grub_strcmp (p->partmap->name, "openbsd") == 0)
+    return 0;
+  if (ctx->dest_partmap == NULL)
+    {
+      ctx->dest_partmap = p->partmap;
+      return 0;
+    }
+  if (ctx->dest_partmap == p->partmap)
+    return 0;
+  ctx->multiple_partmaps = 1;
+  return 1;
+}
+
+#ifdef GRUB_SETUP_BIOS
+#define SETUP grub_util_bios_setup
+#elif GRUB_SETUP_SPARC64
+#define SETUP grub_util_sparc_setup
+#else
+#error "Shouldn't happen"
+#endif
+
+void
+SETUP (const char *dir,
+       const char *boot_file, const char *core_file,
+       const char *dest, int force,
+       int fs_probe, int allow_floppy,
+       int add_rs_codes __attribute__ ((unused))) /* unused on sparc64 */
+{
+  char *core_path;
+  char *boot_img, *core_img, *boot_path;
+  char *root = 0;
+  size_t boot_size, core_size;
+  grub_uint16_t core_sectors;
+  grub_device_t root_dev = 0, dest_dev, core_dev;
+  grub_util_fd_t fp;
+  struct blocklists bl;
+
+  bl.first_sector = (grub_disk_addr_t) -1;
+
+#ifdef GRUB_SETUP_BIOS
+  bl.current_segment =
+    GRUB_BOOT_I386_PC_KERNEL_SEG + (GRUB_DISK_SECTOR_SIZE >> 4);
+#endif
+  bl.last_length = 0;
+
+  /* Read the boot image by the OS service.  */
+  boot_path = grub_util_get_path (dir, boot_file);
+  boot_size = grub_util_get_image_size (boot_path);
+  if (boot_size != GRUB_DISK_SECTOR_SIZE)
+    grub_util_error (_("the size of `%s' is not %u"),
+		     boot_path, GRUB_DISK_SECTOR_SIZE);
+  boot_img = grub_util_read_image (boot_path);
+  free (boot_path);
+
+  core_path = grub_util_get_path (dir, core_file);
+  core_size = grub_util_get_image_size (core_path);
+  core_sectors = ((core_size + GRUB_DISK_SECTOR_SIZE - 1)
+		  >> GRUB_DISK_SECTOR_BITS);
+  if (core_size < GRUB_DISK_SECTOR_SIZE)
+    grub_util_error (_("the size of `%s' is too small"), core_path);
+#ifdef GRUB_SETUP_BIOS
+  if (core_size > 0xFFFF * GRUB_DISK_SECTOR_SIZE)
+    grub_util_error (_("the size of `%s' is too large"), core_path);
+#endif
+
+  core_img = grub_util_read_image (core_path);
+
+  /* Have FIRST_BLOCK to point to the first blocklist.  */
+  bl.first_block = (struct grub_boot_blocklist *) (core_img
+						   + GRUB_DISK_SECTOR_SIZE
+						   - sizeof (*bl.block));
+
+  grub_util_info ("Opening dest `%s'", dest);
+  dest_dev = grub_device_open (dest);
+  if (! dest_dev)
+    grub_util_error ("%s", grub_errmsg);
+
+  core_dev = dest_dev;
+
+  {
+    char **root_devices = grub_guess_root_devices (dir);
+    char **cur;
+    int found = 0;
+
+    if (!root_devices)
+      grub_util_error (_("cannot find a device for %s (is /dev mounted?)"), dir);
+
+    for (cur = root_devices; *cur; cur++)
+      {
+	char *drive;
+	grub_device_t try_dev;
+
+	drive = grub_util_get_grub_dev (*cur);
+	if (!drive)
+	  continue;
+	try_dev = grub_device_open (drive);
+	if (! try_dev)
+	  {
+	    free (drive);
+	    continue;
+	  }
+	if (!found && try_dev->disk->id == dest_dev->disk->id
+	    && try_dev->disk->dev->id == dest_dev->disk->dev->id)
+	  {
+	    if (root_dev)
+	      grub_device_close (root_dev);
+	    free (root);
+	    root_dev = try_dev;
+	    root = drive;
+	    found = 1;
+	    continue;
+	  }
+	if (!root_dev)
+	  {
+	    root_dev = try_dev;
+	    root = drive;
+	    continue;
+	  }
+	grub_device_close (try_dev);	
+	free (drive);
+      }
+    if (!root_dev)
+      {
+        root = grub_util_get_grub_dev ("/dev/sda");
+        root_dev = grub_device_open (root);
+        if (root_dev)
+	        grub_util_info ("guessing the root device failed, because of `%s'", grub_errmsg);
+	    else
+    	    grub_util_error ("guessing the root device failed, because of `%s'", grub_errmsg);
+      }
+    grub_util_info ("guessed root_dev `%s' from "
+		    "dir `%s'", root_dev->disk->name, dir);
+
+    for (cur = root_devices; *cur; cur++)
+      free (*cur);
+    free (root_devices);
+  }
+
+  grub_util_info ("setting the root device to `%s'", root);
+  if (grub_env_set ("root", root) != GRUB_ERR_NONE)
+    grub_util_error ("%s", grub_errmsg);
+
+  {
+#ifdef GRUB_SETUP_BIOS
+    char *tmp_img;
+    grub_uint8_t *boot_drive_check;
+
+    /* Read the original sector from the disk.  */
+    tmp_img = xmalloc (GRUB_DISK_SECTOR_SIZE);
+    if (grub_disk_read (dest_dev->disk, 0, 0, GRUB_DISK_SECTOR_SIZE, tmp_img))
+      grub_util_error ("%s", grub_errmsg);
+    
+    boot_drive_check = (grub_uint8_t *) (boot_img
+					  + GRUB_BOOT_MACHINE_DRIVE_CHECK);
+    /* Copy the possible DOS BPB.  */
+    memcpy (boot_img + GRUB_BOOT_MACHINE_BPB_START,
+	    tmp_img + GRUB_BOOT_MACHINE_BPB_START,
+	    GRUB_BOOT_MACHINE_BPB_END - GRUB_BOOT_MACHINE_BPB_START);
+
+    /* If DEST_DRIVE is a hard disk, enable the workaround, which is
+       for buggy BIOSes which don't pass boot drive correctly. Instead,
+       they pass 0x00 or 0x01 even when booted from 0x80.  */
+    if (!allow_floppy && !grub_util_biosdisk_is_floppy (dest_dev->disk))
+      {
+	/* Replace the jmp (2 bytes) with double nop's.  */
+	boot_drive_check[0] = 0x90;
+	boot_drive_check[1] = 0x90;
+      }
+#endif
+
+    struct identify_partmap_ctx ctx = {
+      .dest_partmap = NULL,
+      .container = dest_dev->disk->partition,
+      .multiple_partmaps = 0
+    };
+    int is_ldm;
+    grub_err_t err;
+    grub_disk_addr_t *sectors;
+    int i;
+    grub_fs_t fs;
+    unsigned int nsec, maxsec;
+
+    grub_partition_iterate (dest_dev->disk, identify_partmap, &ctx);
+
+#ifdef GRUB_SETUP_BIOS
+    /* Copy the partition table.  */
+    if (ctx.dest_partmap ||
+        (!allow_floppy && !grub_util_biosdisk_is_floppy (dest_dev->disk)))
+      memcpy (boot_img + GRUB_BOOT_MACHINE_WINDOWS_NT_MAGIC,
+	      tmp_img + GRUB_BOOT_MACHINE_WINDOWS_NT_MAGIC,
+	      GRUB_BOOT_MACHINE_PART_END - GRUB_BOOT_MACHINE_WINDOWS_NT_MAGIC);
+
+    free (tmp_img);
+#endif
+
+    if (ctx.container
+	&& grub_strcmp (ctx.container->partmap->name, "msdos") == 0
+	&& ctx.dest_partmap
+	&& (ctx.container->msdostype == GRUB_PC_PARTITION_TYPE_NETBSD
+	    || ctx.container->msdostype == GRUB_PC_PARTITION_TYPE_OPENBSD))
+      {
+	grub_util_warn ("%s", _("Attempting to install GRUB to a disk with multiple partition labels or both partition label and filesystem.  This is not supported yet."));
+	goto unable_to_embed;
+      }
+
+    fs = grub_fs_probe (dest_dev);
+    if (!fs)
+      grub_errno = GRUB_ERR_NONE;
+
+    is_ldm = grub_util_is_ldm (dest_dev->disk);
+
+    if (fs_probe)
+      {
+	if (!fs && !ctx.dest_partmap)
+	  grub_util_error (_("unable to identify a filesystem in %s; safety check can't be performed"),
+			   dest_dev->disk->name);
+	if (fs && !fs->reserved_first_sector)
+	  /* TRANSLATORS: Filesystem may reserve the space just GRUB isn't sure about it.  */
+	  grub_util_error (_("%s appears to contain a %s filesystem which isn't known to "
+			     "reserve space for DOS-style boot.  Installing GRUB there could "
+			     "result in FILESYSTEM DESTRUCTION if valuable data is overwritten "
+			     "by grub-setup (--skip-fs-probe disables this "
+			     "check, use at your own risk)"), dest_dev->disk->name, fs->name);
+
+	if (ctx.dest_partmap && strcmp (ctx.dest_partmap->name, "msdos") != 0
+	    && strcmp (ctx.dest_partmap->name, "gpt") != 0
+	    && strcmp (ctx.dest_partmap->name, "bsd") != 0
+	    && strcmp (ctx.dest_partmap->name, "netbsd") != 0
+	    && strcmp (ctx.dest_partmap->name, "openbsd") != 0
+	    && strcmp (ctx.dest_partmap->name, "sunpc") != 0)
+	  /* TRANSLATORS: Partition map may reserve the space just GRUB isn't sure about it.  */
+	  grub_util_error (_("%s appears to contain a %s partition map which isn't known to "
+			     "reserve space for DOS-style boot.  Installing GRUB there could "
+			     "result in FILESYSTEM DESTRUCTION if valuable data is overwritten "
+			     "by grub-setup (--skip-fs-probe disables this "
+			     "check, use at your own risk)"), dest_dev->disk->name, ctx.dest_partmap->name);
+	if (is_ldm && ctx.dest_partmap && strcmp (ctx.dest_partmap->name, "msdos") != 0
+	    && strcmp (ctx.dest_partmap->name, "gpt") != 0)
+	  grub_util_error (_("%s appears to contain a %s partition map and "
+			     "LDM which isn't known to be a safe combination."
+			     "  Installing GRUB there could "
+			     "result in FILESYSTEM DESTRUCTION if valuable data"
+			     " is overwritten "
+			     "by grub-setup (--skip-fs-probe disables this "
+			     "check, use at your own risk)"),
+			   dest_dev->disk->name, ctx.dest_partmap->name);
+
+      }
+
+    if (! ctx.dest_partmap && ! fs && !is_ldm)
+      {
+	grub_util_warn ("%s", _("Attempting to install GRUB to a partitionless disk or to a partition.  This is a BAD idea."));
+	goto unable_to_embed;
+      }
+    if (ctx.multiple_partmaps || (ctx.dest_partmap && fs) || (is_ldm && fs))
+      {
+	grub_util_warn ("%s", _("Attempting to install GRUB to a disk with multiple partition labels.  This is not supported yet."));
+	goto unable_to_embed;
+      }
+
+    if (ctx.dest_partmap && !ctx.dest_partmap->embed)
+      {
+	grub_util_warn (_("Partition style `%s' doesn't support embedding"),
+			ctx.dest_partmap->name);
+	goto unable_to_embed;
+      }
+
+    if (fs && !fs->fs_embed)
+      {
+	grub_util_warn (_("File system `%s' doesn't support embedding"),
+			fs->name);
+	goto unable_to_embed;
+      }
+
+    nsec = core_sectors;
+
+    if (add_rs_codes)
+      maxsec = 2 * core_sectors;
+    else
+      maxsec = core_sectors;
+
+#ifdef GRUB_SETUP_BIOS
+    if (maxsec > ((0x78000 - GRUB_KERNEL_I386_PC_LINK_ADDR)
+		>> GRUB_DISK_SECTOR_BITS))
+      maxsec = ((0x78000 - GRUB_KERNEL_I386_PC_LINK_ADDR)
+		>> GRUB_DISK_SECTOR_BITS);
+#endif
+
+#ifdef GRUB_SETUP_SPARC64
+    /*
+     * On SPARC we need two extra. One is because we are combining the
+     * core.img with the boot.img. The other is because the boot sector
+     * starts at 1.
+     */
+    nsec += 2;
+    maxsec += 2;
+#endif
+
+    if (is_ldm)
+      err = grub_util_ldm_embed (dest_dev->disk, &nsec, maxsec,
+				 GRUB_EMBED_PCBIOS, &sectors);
+    else if (ctx.dest_partmap)
+      err = ctx.dest_partmap->embed (dest_dev->disk, &nsec, maxsec,
+				     GRUB_EMBED_PCBIOS, &sectors);
+    else
+      err = fs->fs_embed (dest_dev, &nsec, maxsec,
+			  GRUB_EMBED_PCBIOS, &sectors);
+    if (!err && nsec < core_sectors)
+      {
+	err = grub_error (GRUB_ERR_OUT_OF_RANGE,
+			  N_("Your embedding area is unusually small.  "
+			     "core.img won't fit in it."));
+      }
+    
+    if (err)
+      {
+	grub_util_warn ("%s", grub_errmsg);
+	grub_errno = GRUB_ERR_NONE;
+	goto unable_to_embed;
+      }
+
+    assert (nsec <= maxsec);
+
+    /* Clean out the blocklists.  */
+    bl.block = bl.first_block;
+    while (bl.block->len)
+      {
+	grub_memset (bl.block, 0, sizeof (*bl.block));
+      
+	bl.block--;
+
+	if ((char *) bl.block <= core_img)
+	  grub_util_error ("%s", _("no terminator in the core image"));
+      }
+
+    bl.block = bl.first_block;
+    for (i = 0; i < nsec; i++)
+      save_blocklists (sectors[i] + grub_partition_get_start (ctx.container),
+		       0, GRUB_DISK_SECTOR_SIZE, &bl);
+
+    /* Make sure that the last blocklist is a terminator.  */
+    if (bl.block == bl.first_block)
+      bl.block--;
+    bl.block->start = 0;
+    bl.block->len = 0;
+#ifdef GRUB_SETUP_BIOS
+    bl.block->segment = 0;
+#endif
+
+#ifdef GRUB_SETUP_SPARC64
+    {
+      /*
+       * On SPARC, the block-list entries need to be based off the beginning
+       * of the parition, not the beginning of the disk.
+       */
+      struct grub_boot_blocklist *block;
+      block = bl.first_block;
+
+      while (block->len)
+        {
+          block->start -= bl.first_sector;
+          block--;
+        }
+    }
+
+    /*
+     * Reserve space for the boot block since it can not be in the
+     * Parition table on SPARC.
+     */
+    assert (bl.first_block->len > 2);
+    bl.first_block->start += 2;
+    bl.first_block->len -= 2;
+    write_rootdev (root_dev, boot_img, sectors[BOOT_SECTOR + 1] - bl.first_sector);
+#endif
+
+#ifdef GRUB_SETUP_BIOS
+    write_rootdev (root_dev, boot_img, bl.first_sector);
+#endif
+
+    /* Round up to the nearest sector boundary, and zero the extra memory */
+    core_img = xrealloc (core_img, nsec * GRUB_DISK_SECTOR_SIZE);
+    assert (core_img && (nsec * GRUB_DISK_SECTOR_SIZE >= core_size));
+    memset (core_img + core_size, 0, nsec * GRUB_DISK_SECTOR_SIZE - core_size);
+
+    bl.first_block = (struct grub_boot_blocklist *) (core_img
+						     + GRUB_DISK_SECTOR_SIZE
+						     - sizeof (*bl.block));
+#if GRUB_SETUP_BIOS
+    grub_size_t no_rs_length;
+    no_rs_length = grub_target_to_host16 
+      (grub_get_unaligned16 (core_img
+			     + GRUB_DISK_SECTOR_SIZE
+			     + GRUB_KERNEL_I386_PC_NO_REED_SOLOMON_LENGTH));
+
+    if (no_rs_length == 0xffff)
+      grub_util_error ("%s", _("core.img version mismatch"));
+
+    if (add_rs_codes)
+      {
+	grub_set_unaligned32 ((core_img + GRUB_DISK_SECTOR_SIZE
+			       + GRUB_KERNEL_I386_PC_REED_SOLOMON_REDUNDANCY),
+			      grub_host_to_target32 (nsec * GRUB_DISK_SECTOR_SIZE - core_size));
+
+	void *tmp = xmalloc (core_size);
+	grub_memcpy (tmp, core_img, core_size);
+	grub_reed_solomon_add_redundancy (core_img + no_rs_length + GRUB_DISK_SECTOR_SIZE,
+					  core_size - no_rs_length - GRUB_DISK_SECTOR_SIZE,
+					  nsec * GRUB_DISK_SECTOR_SIZE
+					  - core_size);
+	assert (grub_memcmp (tmp, core_img, core_size) == 0);
+	free (tmp);
+      }
+
+    /* Write the core image onto the disk.  */
+    for (i = 0; i < nsec; i++)
+      grub_disk_write (dest_dev->disk, sectors[i], 0,
+		       GRUB_DISK_SECTOR_SIZE,
+		       core_img + i * GRUB_DISK_SECTOR_SIZE);
+#endif
+
+#ifdef GRUB_SETUP_SPARC64
+    {
+      int isec = BOOT_SECTOR;
+
+      /* Write the boot image onto the disk. */
+      if (grub_disk_write (dest_dev->disk, sectors[isec++], 0,
+                           GRUB_DISK_SECTOR_SIZE, boot_img))
+        grub_util_error ("%s", grub_errmsg);
+
+      /* Write the core image onto the disk. */
+      for (i = 0 ; isec < nsec; i++, isec++)
+        {
+          if (grub_disk_write (dest_dev->disk, sectors[isec], 0,
+                               GRUB_DISK_SECTOR_SIZE,
+                               core_img  + i * GRUB_DISK_SECTOR_SIZE))
+            grub_util_error ("%s", grub_errmsg);
+        }
+    }
+
+#endif
+    grub_free (sectors);
+
+    goto finish;
+  }
+
+unable_to_embed:
+
+  if (dest_dev->disk->dev->id != root_dev->disk->dev->id)
+    grub_util_error ("%s", _("embedding is not possible, but this is required for "
+			     "RAID and LVM install"));
+
+  {
+    grub_fs_t fs;
+    fs = grub_fs_probe (root_dev);
+    if (!fs)
+      grub_util_error (_("can't determine filesystem on %s"), root);
+
+    if (!fs->blocklist_install)
+      grub_util_error (_("filesystem `%s' doesn't support blocklists"),
+		       fs->name);
+  }
+
+#ifdef GRUB_SETUP_BIOS
+  if (dest_dev->disk->id != root_dev->disk->id
+      || dest_dev->disk->dev->id != root_dev->disk->dev->id)
+    /* TRANSLATORS: cross-disk refers to /boot being on one disk
+       but MBR on another.  */
+    grub_util_error ("%s", _("embedding is not possible, but this is required for "
+			     "cross-disk install"));
+#else
+  core_dev = root_dev;
+#endif
+
+  grub_util_warn ("%s", _("Embedding is not possible.  GRUB can only be installed in this "
+			  "setup by using blocklists.  However, blocklists are UNRELIABLE and "
+			  "their use is discouraged."));
+  if (! force)
+    /* TRANSLATORS: Here GRUB refuses to continue with blocklist install.  */
+    grub_util_error ("%s", _("will not proceed with blocklists"));
+
+  /* The core image must be put on a filesystem unfortunately.  */
+  grub_util_info ("will leave the core image on the filesystem");
+
+  grub_util_biosdisk_flush (root_dev->disk);
+
+  /* Clean out the blocklists.  */
+  bl.block = bl.first_block;
+  while (bl.block->len)
+    {
+      bl.block->start = 0;
+      bl.block->len = 0;
+#ifdef GRUB_SETUP_BIOS
+      bl.block->segment = 0;
+#endif
+
+      bl.block--;
+
+      if ((char *) bl.block <= core_img)
+	grub_util_error ("%s", _("no terminator in the core image"));
+    }
+
+  bl.block = bl.first_block;
+
+#ifdef GRUB_SETUP_SPARC64
+  {
+    grub_partition_t container = root_dev->disk->partition;
+    bl.gpt_offset = 0;
+
+    if (grub_strstr (container->partmap->name, "gpt"))
+      bl.gpt_offset = grub_partition_get_start (container);
+  }
+#endif
+
+  grub_install_get_blocklist (root_dev, core_path, core_img, core_size,
+			      save_blocklists, &bl);
+
+  if (bl.first_sector == (grub_disk_addr_t)-1)
+    grub_util_error ("%s", _("can't retrieve blocklists"));
+
+#ifdef GRUB_SETUP_SPARC64
+  {
+    char *boot_devpath;
+    boot_devpath = (char *) (boot_img
+			     + GRUB_BOOT_AOUT_HEADER_SIZE
+			     + GRUB_BOOT_MACHINE_BOOT_DEVPATH);
+    if (dest_dev->disk->id != root_dev->disk->id
+	|| dest_dev->disk->dev->id != root_dev->disk->dev->id)
+      {
+	char *dest_ofpath;
+	dest_ofpath
+	  = grub_util_devname_to_ofpath (grub_util_biosdisk_get_osdev (root_dev->disk));
+	/* FIXME handle NULL result */
+	grub_util_info ("dest_ofpath is `%s'", dest_ofpath);
+	strncpy (boot_devpath, dest_ofpath,
+		 GRUB_BOOT_MACHINE_BOOT_DEVPATH_END
+		 - GRUB_BOOT_MACHINE_BOOT_DEVPATH - 1);
+	boot_devpath[GRUB_BOOT_MACHINE_BOOT_DEVPATH_END
+		   - GRUB_BOOT_MACHINE_BOOT_DEVPATH - 1] = 0;
+	free (dest_ofpath);
+      }
+    else
+      {
+	grub_util_info ("non cross-disk install");
+	memset (boot_devpath, 0, GRUB_BOOT_MACHINE_BOOT_DEVPATH_END
+		- GRUB_BOOT_MACHINE_BOOT_DEVPATH);
+      }
+    grub_util_info ("boot device path %s", boot_devpath);
+  }
+#endif
+
+  write_rootdev (root_dev, boot_img, bl.first_sector);
+
+  /* Write the first two sectors of the core image onto the disk.  */
+  grub_util_info ("opening the core image `%s'", core_path);
+  fp = grub_util_fd_open (core_path, GRUB_UTIL_FD_O_WRONLY);
+  if (! GRUB_UTIL_FD_IS_VALID (fp))
+    grub_util_error (_("cannot open `%s': %s"), core_path,
+		     grub_util_fd_strerror ());
+
+  if (grub_util_fd_write (fp, core_img, GRUB_DISK_SECTOR_SIZE * 2)
+      != GRUB_DISK_SECTOR_SIZE * 2)
+    grub_util_error (_("cannot write to `%s': %s"),
+		     core_path, strerror (errno));
+  if (grub_util_fd_sync (fp) < 0)
+    grub_util_error (_("cannot sync `%s': %s"), core_path, strerror (errno));
+  if (grub_util_fd_close (fp) < 0)
+    grub_util_error (_("cannot close `%s': %s"), core_path, strerror (errno));
+  grub_util_biosdisk_flush (root_dev->disk);
+
+  grub_disk_cache_invalidate_all ();
+
+  {
+    char *buf, *ptr = core_img;
+    size_t len = core_size;
+    grub_uint64_t blk, offset = 0;
+    grub_partition_t container = core_dev->disk->partition;
+    grub_err_t err;
+
+    core_dev->disk->partition = 0;
+#ifdef GRUB_SETUP_SPARC64
+    offset = bl.gpt_offset;
+#endif
+
+    buf = xmalloc (core_size);
+    blk = bl.first_sector;
+    err = grub_disk_read (core_dev->disk, blk + offset, 0, GRUB_DISK_SECTOR_SIZE, buf);
+    if (err)
+      grub_util_error (_("cannot read `%s': %s"), core_dev->disk->name,
+		       grub_errmsg);
+    if (grub_memcmp (buf, ptr, GRUB_DISK_SECTOR_SIZE) != 0)
+      grub_util_error ("%s", _("blocklists are invalid"));
+
+    ptr += GRUB_DISK_SECTOR_SIZE;
+    len -= GRUB_DISK_SECTOR_SIZE;
+
+    bl.block = bl.first_block;
+    while (bl.block->len)
+      {
+	size_t cur = grub_target_to_host16 (bl.block->len) << GRUB_DISK_SECTOR_BITS;
+	blk = grub_target_to_host64 (bl.block->start);
+
+	if (cur > len)
+	  cur = len;
+
+	err = grub_disk_read (core_dev->disk, blk + offset, 0, cur, buf);
+	if (err)
+	  grub_util_error (_("cannot read `%s': %s"), core_dev->disk->name,
+			   grub_errmsg);
+
+	if (grub_memcmp (buf, ptr, cur) != 0)
+	  grub_util_error ("%s", _("blocklists are invalid"));
+
+	ptr += cur;
+	len -= cur;
+	bl.block--;
+	
+	if ((char *) bl.block <= core_img)
+	  grub_util_error ("%s", _("no terminator in the core image"));
+      }
+    if (len)
+      grub_util_error ("%s", _("blocklists are incomplete"));
+    core_dev->disk->partition = container;
+    free (buf);
+  }
+
+#ifdef GRUB_SETUP_BIOS
+ finish:
+#endif
+
+  /* Write the boot image onto the disk.  */
+  if (grub_disk_write (dest_dev->disk, BOOT_SECTOR,
+		       0, GRUB_DISK_SECTOR_SIZE, boot_img))
+    grub_util_error ("%s", grub_errmsg);
+
+#ifdef GRUB_SETUP_SPARC64
+ finish:
+#endif
+
+  grub_util_biosdisk_flush (root_dev->disk);
+  grub_util_biosdisk_flush (dest_dev->disk);
+
+  free (core_path);
+  free (core_img);
+  free (boot_img);
+  grub_device_close (dest_dev);
+  grub_device_close (root_dev);
+}
+

IMG/cpio/sbin/init

@@ -48,6 +48,12 @@ else
     fi
 fi
 
+if [ "$VTOY_ARCH" = "i386" ]; then
+    if $BUSYBOX_PATH/vtchmod32 -6; then
+        export VTOY_ARCH=x86_64
+    fi
+fi
+
 echo $VTOY_ARCH > $VTOY_PATH/ventoy_arch
 
 
@@ -81,6 +87,7 @@ export PATH=$BUSYBOX_PATH/:$VTOY_PATH/tool
 
 export VTOY_BREAK_LEVEL=$(hexdump -n 1 -s 449 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
 export VTOY_DEBUG_LEVEL=$(hexdump -n 1 -s 450 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
+export VTOY_LINUX_REMOUNT=$(hexdump -n 1 -s 454 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
 
 #Fixme: busybox shell output redirect seems to have some bug in rhel5
 if uname -a | grep -q el5; then
@@ -121,6 +128,11 @@ elif [ "$VTOY_ARCH" = "i386" ]; then
     ln -s $VTOY_PATH/tool/dmsetup32 $VTOY_PATH/tool/dmsetup
     ln -s $VTOY_PATH/tool/lunzip32 $VTOY_PATH/tool/lunzip
 
+    if uname -a | egrep -q 'x86_64|amd64'; then
+        echo "zstdcat use 64bit ..." >>$VTLOG
+        rm -f $VTOY_PATH/tool/zstdcat
+        ln -s $VTOY_PATH/tool/zstdcat64 $VTOY_PATH/tool/zstdcat
+    fi
 elif [ "$VTOY_ARCH" = "mips64el" ]; then
     echo "Use MIPS64 busybox toolkit ..." >>$VTLOG
     ln -s $BUSYBOX_PATH/xzminidecm64e $BUSYBOX_PATH/xzminidec

IMG/cpio/ventoy/hook/cdlinux/ventoy-hook.sh

@@ -36,6 +36,10 @@ done
 $BUSYBOX_PATH/umount /vtmnt && $BUSYBOX_PATH/rm -rf /vtmnt
 $BUSYBOX_PATH/cp -a /ventoy /ventoy_rdroot
 
+if [ -f /etc/default/cdlinux ]; then
+    echo "CDL_WAIT=60" >> /etc/default/cdlinux
+fi
+
 echo 'echo "CDL_DEV=/dev/mapper/ventoy" >>"$VAR_FILE"' >> /ventoy_rdroot/etc/rc.d/rc.var
 
 ventoy_set_rule_dir_prefix /ventoy_rdroot

IMG/cpio/ventoy/hook/crux/disk_hook.sh

@@ -29,12 +29,21 @@ for i in 0 1 2 3 4 5 6 7 8 9; do
     fi
 done
 
-ventoy_extract_vtloopex ${vtdiskname}2  crux
+# no need since 3.6.1
+$BUSYBOX_PATH/modprobe dax      > /dev/null 2>&1
+$BUSYBOX_PATH/modprobe dm-mod   > /dev/null 2>&1
 
-vtLoopExDir=$VTOY_PATH/vtloopex/crux/vtloopex
-$BUSYBOX_PATH/xz -d  $vtLoopExDir/dm-mod/$(uname -r)/64/dax.ko.xz
-$BUSYBOX_PATH/xz -d  $vtLoopExDir/dm-mod/$(uname -r)/64/dm-mod.ko.xz
-$BUSYBOX_PATH/insmod $vtLoopExDir/dm-mod/$(uname -r)/64/dax.ko
-$BUSYBOX_PATH/insmod $vtLoopExDir/dm-mod/$(uname -r)/64/dm-mod.ko
+if $GREP -q 'device-mapper' /proc/devices; then
+    vtlog "dm-mod module check success ..."
+else
+    vtlog "Need to load dm-mod module ..."
+    ventoy_extract_vtloopex ${vtdiskname}2  crux
+
+    vtKver=$(uname -r)
+    vtLoopExDir=$VTOY_PATH/vtloopex/crux/vtloopex
+
+    ventoy_check_install_module_xz $vtLoopExDir/dm-mod/$vtKver/64/dax.ko
+    ventoy_check_install_module_xz $vtLoopExDir/dm-mod/$vtKver/64/dm-mod.ko
+fi
 
 ventoy_udev_disk_common_hook "${vtdiskname#/dev/}2"

IMG/cpio/ventoy/hook/debian/default-hook.sh

@@ -54,8 +54,15 @@ fi
 if [ -f $VTOY_PATH/autoinstall ]; then
     echo "Do auto install ..." >> $VTLOG
     
-    if $GREP -q "^mount /proc$" /init; then
-        $SED "/^mount \/proc/a export file=$VTOY_PATH/autoinstall; export auto='true'; export priority='critical'"  -i /init
+    if $GREP -q '^autoinstall:' $VTOY_PATH/autoinstall; then
+        echo "cloud-init auto install ..." >> $VTLOG
+        if $GREP -q "maybe_break init" /init; then
+            $SED "/maybe_break init/i $BUSYBOX_PATH/sh $VTOY_PATH/hook/debian/ventoy-cloud-init.sh \$rootmnt"  -i /init
+        fi
+    else
+        if $GREP -q "^mount /proc$" /init; then
+            $SED "/^mount \/proc/a export file=$VTOY_PATH/autoinstall; export auto='true'; export priority='critical'"  -i /init
+        fi
     fi
 fi
 

IMG/cpio/ventoy/hook/debian/minios-disk.sh

@@ -0,0 +1,82 @@
+#!/ventoy/busybox/sh
+#************************************************************************************
+# Copyright (c) 2020, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+. /ventoy/hook/ventoy-hook-lib.sh
+
+vtlog "####### $0 $* ########"
+
+VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
+
+
+ventoy_os_install_dmsetup_by_fuse() {
+    vtlog "ventoy_os_install_dmsetup_by_fuse $*"
+
+    mkdir -p $VTOY_PATH/mnt/fuse $VTOY_PATH/mnt/iso $VTOY_PATH/mnt/squashfs
+
+    vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $1 > $VTOY_PATH/ventoy_dm_table
+    vtoy_fuse_iso -f $VTOY_PATH/ventoy_dm_table -m $VTOY_PATH/mnt/fuse
+
+    mount -t iso9660  $VTOY_PATH/mnt/fuse/ventoy.iso    $VTOY_PATH/mnt/iso
+    mount -t squashfs $VTOY_PATH/mnt/iso/minios/01-core*.sb  $VTOY_PATH/mnt/squashfs
+
+    KoName=$(ls $VTOY_PATH/mnt/squashfs/lib/modules/$2/kernel/drivers/md/dm-mod.ko*)
+    vtlog "insmod $KoName"
+    insmod $KoName
+
+    umount $VTOY_PATH/mnt/squashfs
+    umount $VTOY_PATH/mnt/iso
+    umount $VTOY_PATH/mnt/fuse
+}
+
+
+ventoy_os_install_dmsetup() {
+    vtlog "ventoy_os_install_dmsetup"
+    
+    if grep -q 'device-mapper' /proc/devices; then
+        vtlog "device-mapper module already loaded"
+        return;
+    fi
+    
+    vtKerVer=$(uname -r)
+    
+    if modprobe fuse 2>>$VTLOG; then
+        ventoy_os_install_dmsetup_by_fuse $1 $vtKerVer
+    fi
+}
+
+vtdiskname=$(get_ventoy_disk_name)
+if [ "$vtdiskname" = "unknown" ]; then
+    vtlog "ventoy disk not found"
+    PATH=$VTPATH_OLD
+    exit 0
+fi
+
+if check_usb_disk_ready "$vtdiskname"; then
+    vtlog "check_usb_disk_ready ok"
+else
+    vtlog "check_usb_disk_ready error"
+    PATH=$VTPATH_OLD
+    exit 0
+fi
+
+ventoy_os_install_dmsetup $vtdiskname
+
+ventoy_udev_disk_common_hook "${vtdiskname#/dev/}2" "noreplace"
+
+PATH=$VTPATH_OLD

IMG/cpio/ventoy/hook/debian/minios-hook.sh

@@ -0,0 +1,24 @@
+#!/ventoy/busybox/sh
+#************************************************************************************
+# Copyright (c) 2020, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+if [ -f /lib/livekitlib ] && $GREP -q 'debug_log.*find_data_try' /lib/livekitlib; then
+    $SED "/debug_log.*find_data_try/a\ $BUSYBOX_PATH/sh $VTOY_PATH/hook/debian/minios-disk.sh"  -i /lib/livekitlib
+else
+    $SED "/find_data/i\ $BUSYBOX_PATH/sh $VTOY_PATH/hook/debian/minios-disk.sh"  -i /init
+fi

IMG/cpio/ventoy/hook/debian/mocaccino-disk.sh

@@ -0,0 +1,47 @@
+#!/ventoy/busybox/sh
+#************************************************************************************
+# Copyright (c) 2020, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+. /ventoy/hook/ventoy-hook-lib.sh
+
+if is_ventoy_hook_finished; then
+    exit 0
+fi
+
+vtlog "####### $0 $* ########"
+
+VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
+
+wait_for_usb_disk_ready
+
+vtdiskname=$(get_ventoy_disk_name)
+if [ "$vtdiskname" = "unknown" ]; then
+    vtlog "ventoy disk not found"
+    PATH=$VTPATH_OLD
+    exit 0
+fi
+
+ventoy_udev_disk_common_hook "${vtdiskname#/dev/}2" "noreplace"
+
+blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep ventoy | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')
+vtDM=$(ventoy_find_dm_id ${blkdev_num})
+vtlog "/dev/$vtDM"
+
+PATH=$VTPATH_OLD
+
+set_ventoy_hook_finish

IMG/cpio/ventoy/hook/debian/mocaccino-hook.sh

@@ -0,0 +1,20 @@
+#!/ventoy/busybox/sh
+#************************************************************************************
+# Copyright (c) 2020, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+$SED "/mount_system *$/i\ $BUSYBOX_PATH/sh $VTOY_PATH/hook/debian/mocaccino-disk.sh"  -i /loader

IMG/cpio/ventoy/hook/debian/porteus-hook.sh

@@ -22,19 +22,46 @@ porteus_hook() {
     $SED "/searching *for *\$CFG *file/i\ $BUSYBOX_PATH/sh $VTOY_PATH/hook/debian/porteus-disk.sh"  -i $1
 }
 
-if $GREP -q exfat /proc/filesystems; then
-    vtPath=$($VTOY_PATH/tool/vtoydump -p $VTOY_PATH/ventoy_os_param)
-    
+vtPath=$($VTOY_PATH/tool/vtoydump -p $VTOY_PATH/ventoy_os_param)
+echo $vtPath | $GREP -q " "
+_vtRet1=$?
+
+$GREP -q exfat /proc/filesystems
+_vtRet2=$?
+
+echo "_vtRet1=$_vtRet1  _vtRet2=$_vtRet2 ..." >> $VTLOG
+
+if [ $_vtRet1 -ne 0 -a $_vtRet2 -eq 0 ]; then
+    vtFindFlag=0
     $GREP '`value from`' /usr/* -r | $AWK -F: '{print $1}' | while read vtline; do
         echo "hooking $vtline ..." >> $VTLOG
         $SED "s#\`value from\`#$vtPath#g"  -i $vtline
+        vtFindFlag=1
     done
 
+    if [ $vtFindFlag -eq 0 ]; then
+        if $GREP -q '`value from`' /linuxrc; then
+            if $GREP -q "searching *for *\$CFG *file" /linuxrc; then
+                echo "hooking linuxrc CFG..." >> $VTLOG
+                $SED "/searching *for *\$CFG *file/i$BUSYBOX_PATH/sh $VTOY_PATH/hook/debian/porteus-path.sh"  -i /linuxrc
+                $SED "/searching *for *\$CFG *file/iFROM=\$(cat /porteus-from)"  -i /linuxrc
+                $SED "/searching *for *\$CFG *file/iISO=\$(cat /porteus-from)"  -i /linuxrc
+                vtFindFlag=1
+            else
+                echo "hooking linuxrc SGN..." >> $VTLOG
+                $SED "/searching *for *\$SGN *file/i$BUSYBOX_PATH/sh $VTOY_PATH/hook/debian/porteus-path.sh"  -i /linuxrc
+                $SED "/searching *for *\$SGN *file/iFROM=\$(cat /porteus-from)"  -i /linuxrc
+                $SED "/searching *for *\$SGN *file/iISO=\$(cat /porteus-from)"  -i /linuxrc
+                vtFindFlag=1
+            fi
+        fi
+    fi
+
 else
-    for vtfile in '/init' '/linuxrc' ; do
+    for vtfile in '/linuxrc' '/init'; do
         if [ -e $vtfile ]; then
             if ! $GREP -q ventoy $vtfile; then
-                echo "hooking $vtfile ..."  >> $VTLOG
+                echo "hooking disk $vtfile ..."  >> $VTLOG
                 porteus_hook $vtfile
             fi
         fi

IMG/cpio/ventoy/hook/debian/porteus-path.sh

@@ -0,0 +1,38 @@
+#!/ventoy/busybox/sh
+#************************************************************************************
+# Copyright (c) 2020, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+. /ventoy/hook/ventoy-hook-lib.sh
+
+vtlog "####### $0 $* ########"
+
+VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
+
+wait_for_usb_disk_ready
+
+vtdiskname=$(get_ventoy_disk_name)
+
+vtPath=$(vtoydump -p $VTOY_PATH/ventoy_os_param)
+
+if echo $vtdiskname | egrep -q "nvme|mmc|nbd"; then
+    echo ${vtdiskname}p1${vtPath} > /porteus-from
+else
+    echo ${vtdiskname}1${vtPath} > /porteus-from
+fi
+
+PATH=$VTPATH_OLD

IMG/cpio/ventoy/hook/debian/puppy-disk.sh

@@ -27,6 +27,33 @@ vtlog "####### $0 $* ########"
 
 VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
 
+ventoy_os_install_dmsetup_by_fuse() {
+    vtlog "ventoy_os_install_dmsetup_by_fuse $*"
+
+    mkdir -p $VTOY_PATH/mnt/fuse $VTOY_PATH/mnt/iso $VTOY_PATH/mnt/squashfs
+
+    vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $1 > $VTOY_PATH/ventoy_dm_table
+    vtoy_fuse_iso -f $VTOY_PATH/ventoy_dm_table -m $VTOY_PATH/mnt/fuse
+
+    mount -t iso9660  $VTOY_PATH/mnt/fuse/ventoy.iso    $VTOY_PATH/mnt/iso
+
+    sfsfile=$(ls $VTOY_PATH/mnt/iso/*.sfs)
+
+    mount -t squashfs $sfsfile  $VTOY_PATH/mnt/squashfs
+
+    kVer=$(uname -r)
+    KoName=$(ls $VTOY_PATH/mnt/squashfs/lib/modules/$kVer/kernel/drivers/md/dm-mod.ko*)
+    vtlog "insmod $KoName"
+    insmod $KoName
+
+    umount $VTOY_PATH/mnt/squashfs
+    umount $VTOY_PATH/mnt/iso
+    umount $VTOY_PATH/mnt/fuse
+}
+
+
+
+
 wait_for_usb_disk_ready
 
 vtdiskname=$(get_ventoy_disk_name)
@@ -36,6 +63,12 @@ if [ "$vtdiskname" = "unknown" ]; then
     exit 0
 fi
 
+if grep -q 'device-mapper' /proc/devices; then
+    vtlog "device-mapper module exist"
+else
+    ventoy_os_install_dmsetup_by_fuse  $vtdiskname
+fi
+
 ventoy_udev_disk_common_hook "${vtdiskname#/dev/}2" "noreplace"
 
 if ! [ -e $VTOY_DM_PATH ]; then

IMG/cpio/ventoy/hook/debian/puppy-hook.sh

@@ -18,8 +18,15 @@
 #************************************************************************************
 
 $SED '1 apmedia=usbhd'  -i /init
-$SED "/^ *HAVE_PARTS=/a\ $BUSYBOX_PATH/sh $VTOY_PATH/hook/debian/puppy-disk.sh"  -i /init
-$SED "/^ *HAVE_PARTS=/a\ HAVE_PARTS='ventoy|iso9660'"  -i /init
+
+if $GREP -q 'HAVE_PARTS=' /init; then
+    $SED "/^ *HAVE_PARTS=/a\ $BUSYBOX_PATH/sh $VTOY_PATH/hook/debian/puppy-disk.sh"  -i /init
+    $SED "/^ *HAVE_PARTS=/a\ HAVE_PARTS='ventoy|iso9660'"  -i /init
+elif $GREP -q 'LESSPARTS=' /init; then
+    $SED "/^ *LESSPARTS=/a\ $BUSYBOX_PATH/sh $VTOY_PATH/hook/debian/puppy-disk.sh"  -i /init
+    $SED "/^ *LESSPARTS=/a\ LESSPARTS='ventoy|iso9660'"  -i /init
+fi
+
 
 if [ -f /DISTRO_SPECS ]; then
     if ! [ -d /dev ]; then

IMG/cpio/ventoy/hook/debian/pyabr-disk.sh

@@ -0,0 +1,91 @@
+#!/ventoy/busybox/sh
+#************************************************************************************
+# Copyright (c) 2020, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+. /ventoy/hook/ventoy-hook-lib.sh
+
+if is_ventoy_hook_finished; then
+    exit 0
+fi
+
+vtlog "####### $0 $* ########"
+
+VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
+
+ventoy_os_install_dmsetup_by_fuse() {
+    vtlog "ventoy_os_install_dmsetup_by_fuse $*"
+
+    mkdir -p $VTOY_PATH/mnt/fuse $VTOY_PATH/mnt/iso $VTOY_PATH/mnt/squashfs
+
+    vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $1 > $VTOY_PATH/ventoy_dm_table
+    vtoy_fuse_iso -f $VTOY_PATH/ventoy_dm_table -m $VTOY_PATH/mnt/fuse
+
+    mount -t iso9660  $VTOY_PATH/mnt/fuse/ventoy.iso    $VTOY_PATH/mnt/iso
+    mount -t squashfs $VTOY_PATH/mnt/iso/pyabr/01-core.sb  $VTOY_PATH/mnt/squashfs
+
+    KoName=$(ls $VTOY_PATH/mnt/squashfs/lib/modules/$2/kernel/drivers/md/dm-mod.ko*)
+    vtlog "insmod $KoName"
+    insmod $KoName
+
+    umount $VTOY_PATH/mnt/squashfs
+    umount $VTOY_PATH/mnt/iso
+    umount $VTOY_PATH/mnt/fuse
+}
+
+while [ -n "Y" ]; do
+    vtdiskname=$(get_ventoy_disk_name)
+    if [ "$vtdiskname" = "unknown" ]; then
+        vtlog "ventoy disk not found"
+        if [ -r /proc/sys/kernel/hotplug ]; then
+            echo /sbin/mdev > /proc/sys/kernel/hotplug
+        fi
+        mdev -s
+        sleep 1
+    else
+        if check_usb_disk_ready "$vtdiskname"; then
+            vtlog "check_usb_disk_ready $vtdiskname ok"
+            break
+        else
+            vtlog "check_usb_disk_ready $vtdiskname error"
+            if [ -r /proc/sys/kernel/hotplug ]; then
+                echo /sbin/mdev > /proc/sys/kernel/hotplug
+            fi
+            mdev -s
+            sleep 1
+        fi
+    fi
+done
+
+vtdiskname=$(get_ventoy_disk_name)
+if [ "$vtdiskname" = "unknown" ]; then
+    vtlog "ventoy disk not found"
+    PATH=$VTPATH_OLD
+    exit 0
+fi
+
+modprobe fuse
+modprobe cuse
+
+vtKver=$(uname -r)
+ventoy_os_install_dmsetup_by_fuse $vtdiskname $vtKver
+
+ventoy_udev_disk_common_hook "${vtdiskname#/dev/}2" "noreplace"
+
+PATH=$VTPATH_OLD
+
+set_ventoy_hook_finish

IMG/cpio/ventoy/hook/debian/pyabr-hook.sh

@@ -0,0 +1,20 @@
+#!/ventoy/busybox/sh
+#************************************************************************************
+# Copyright (c) 2020, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+$SED "/find_data/i\ $BUSYBOX_PATH/sh $VTOY_PATH/hook/debian/pyabr-disk.sh" -i /init

IMG/cpio/ventoy/hook/debian/tails-hook.sh

@@ -23,6 +23,11 @@ $SED "s#.*livefs_root=.*find_livefs.*#$BUSYBOX_PATH/mount -t iso9660 /dev/mapper
 if [ -e /init ] && $GREP -q '^mountroot$' /init; then
     echo "Here before mountroot ..." >> $VTLOG    
     $SED  "/^mountroot$/i\\$BUSYBOX_PATH/sh $VTOY_PATH/hook/debian/disk_mount_hook.sh"  -i /init
+    
+    if [ -f /scripts/init-premount/ORDER ]; then
+        $SED "/\/scripts\/init-premount\/partitioning/,+1d"  -i /scripts/init-premount/ORDER
+    fi
+    
 else
     echo "Use default hook ..." >> $VTLOG
     ventoy_systemd_udevd_work_around

IMG/cpio/ventoy/hook/debian/udev_disk_hook.sh

@@ -41,18 +41,18 @@ ventoy_os_install_dmsetup() {
     fi
 
     # install md-modules
-    LINE=$($GREP ' md-modules.*\.udeb'  $VTOY_PATH/iso_file_list)
+    LINE=$($GREP -i ' md-modules.*\.udeb'  $VTOY_PATH/iso_file_list)
     if [ $? -eq 0 ]; then
-        LINTCNT=$($GREP -c ' md-modules.*\.udeb'  $VTOY_PATH/iso_file_list)
+        LINTCNT=$($GREP -i -c ' md-modules.*\.udeb'  $VTOY_PATH/iso_file_list)
         if [ $LINTCNT -gt 1 ]; then
             vtlog "more than one pkgs, need to filter..."
             VER=$($BUSYBOX_PATH/uname -r)
             
-            LINE=$($GREP ' md-modules.*\.udeb'  $VTOY_PATH/iso_file_list | $GREP $VER)
-            LINTCNT=$($GREP ' md-modules.*\.udeb'  $VTOY_PATH/iso_file_list | $GREP -c $VER)
+            LINE=$($GREP -i ' md-modules.*\.udeb'  $VTOY_PATH/iso_file_list | $GREP -i $VER)
+            LINTCNT=$($GREP -i ' md-modules.*\.udeb'  $VTOY_PATH/iso_file_list | $GREP -i -c $VER)
             if [ $LINTCNT -gt 1 ]; then
                 vtlog "Still more than one pkgs, use the first one..."
-                LINE=$($GREP ' md-modules.*\.udeb'  $VTOY_PATH/iso_file_list | $GREP  -m1 $VER)
+                LINE=$($GREP -i ' md-modules.*\.udeb'  $VTOY_PATH/iso_file_list | $GREP -i -m1 $VER)
             fi
         fi
         install_udeb_from_line "$LINE" ${vt_usb_disk} 

IMG/cpio/ventoy/hook/debian/ventoy-cloud-init.sh

@@ -0,0 +1,63 @@
+#!/ventoy/busybox/sh
+#************************************************************************************
+# Copyright (c) 2020, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+. /ventoy/hook/ventoy-hook-lib.sh
+
+vtlog "####### $0 $* ########"
+
+VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
+
+newroot=$1
+
+dd if=/dev/zero of=$newroot/tmp/cidata.img bs=1M count=8 status=none
+freeloop=$(losetup -f)
+
+losetup $freeloop $newroot/tmp/cidata.img
+
+mkfs.vfat -n CIDATA $freeloop
+
+mkdir /tmpcidata
+mount $newroot/tmp/cidata.img /tmpcidata
+
+vtSplit=$(grep VENTOY_META_DATA_SPLIT $VTOY_PATH/autoinstall | wc -l)
+if [ $vtSplit -eq 1 ]; then
+    vtlog "split autoinstall script to user-data and meta-data"
+    vtLine=$(grep -n VENTOY_META_DATA_SPLIT $VTOY_PATH/autoinstall | awk -F: '{print $1}')
+    vtLine1=$(expr $vtLine - 1)
+    vtLine2=$(expr $vtLine + 1)
+    vtlog "Line number: $vtLine $vtLine1 $vtLine2"
+    sed -n "1,${vtLine1}p"  $VTOY_PATH/autoinstall >/tmpcidata/user-data
+    sed -n "${vtLine2},\$p" $VTOY_PATH/autoinstall >/tmpcidata/meta-data
+else
+    vtlog "only user-data avaliable"
+    cp -a $VTOY_PATH/autoinstall  /tmpcidata/user-data
+    touch /tmpcidata/meta-data
+fi
+
+
+umount /tmpcidata
+rm -rf /tmpcidata
+
+vtCMD=$(cat /proc/cmdline)
+echo "autoinstall $vtCMD" > $newroot/tmp/kcmdline
+mount --bind $newroot/tmp/kcmdline  /proc/cmdline
+
+
+PATH=$VTPATH_OLD
+

IMG/cpio/ventoy/hook/debian/ventoy-hook.sh

@@ -35,7 +35,7 @@ ventoy_get_debian_distro() {
     fi
     
     if [ -e /init ]; then
-        if $GREP -q PUPPYSFS /init; then
+        if $EGREP -q 'PUPPYSFS|PUPPYFILE' /init; then
             if $GREP -q VEKETSFS /init; then
                 echo 'veket'; return
             else
@@ -56,6 +56,10 @@ ventoy_get_debian_distro() {
         echo 'slax'; return
     fi
     
+    if $GREP -q 'minios/' /proc/cmdline; then
+        echo 'minios'; return
+    fi
+    
     if $GREP -q 'PVE ' /proc/version; then
         echo 'pve'; return
     fi
@@ -90,6 +94,13 @@ ventoy_get_debian_distro() {
         echo 'kerio'; return
     fi
     
+    if $GREP -q 'mocaccino' /proc/version; then
+        echo 'mocaccino'; return
+    fi
+    
+    if $GREP -q '/pyabr/' /proc/cmdline; then
+        echo 'pyabr'; return
+    fi
     
     echo 'default'
 }

IMG/cpio/ventoy/hook/default/export.list

@@ -0,0 +1,7 @@
+preseed/file
+debian-installer/locale
+console-keymaps-at/keymap
+keyboard-configuration/xkb-keymap
+keyboard-configuration/layout
+simple-cdd/profiles
+vga

IMG/cpio/ventoy/hook/easystartup/disk_hook.sh

@@ -0,0 +1,83 @@
+#!/ventoy/busybox/sh
+#************************************************************************************
+# Copyright (c) 2021, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+. /ventoy/hook/ventoy-hook-lib.sh
+
+VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
+
+get_rhel_ver() {
+    if uname -m | grep -q '64'; then
+        machine='_X64'
+    fi
+
+    if grep -q '6[.]1' /etc/redhat-release; then
+        echo "RHAS6U1$machine"; return
+    fi
+    
+    echo "RHAS6U1$machine"
+}
+
+install_dm_mod_ko() {
+    # dump iso file location
+    vtoydm -i -f $VTOY_PATH/ventoy_image_map -d ${vtdiskname} > $VTOY_PATH/iso_file_list
+
+    sysver=$(get_rhel_ver)
+    vtlog "sysver=$sysver"
+
+    LINE=$(grep "$sysver" -n -m1 $VTOY_PATH/iso_file_list | awk -F: '{print $1}')
+    vtlog "LINE=$LINE"
+
+    LINE=$(sed -n "$LINE,\$p" $VTOY_PATH/iso_file_list | grep -m1 'initrd.img')
+    vtlog "LINE=$LINE"
+
+    sector=$(echo $LINE | $AWK '{print $(NF-1)}')
+    length=$(echo $LINE | $AWK '{print $NF}')
+    vtlog "sector=$sector  length=$length"
+
+    mkdir xxx
+    vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${vtdiskname} -s $sector -l $length -o ./xxx.img
+
+    cd xxx/
+    zcat ../xxx.img | cpio -idmu
+    ko=$(find -name dm-mod.ko*)
+    vtlog "ko=$ko ..."
+    insmod $ko
+
+    cd ../
+    rm -f xxx.img
+    rm -rf xxx
+}
+
+vtdiskname=$(get_ventoy_disk_name)
+vtlog "vtdiskname=$vtdiskname ..."
+if [ "$vtdiskname" = "unknown" ]; then
+    exit 0
+fi
+
+if grep -q 'device-mapper' /proc/devices; then
+    vtlog "device-mapper module check ko"
+else
+    install_dm_mod_ko
+fi
+
+ventoy_udev_disk_common_hook "${vtdiskname#/dev/}2" "noreplace"
+
+ln -s /dev/dm-0 /dev/root
+
+PATH=$VTPATH_OLD

IMG/cpio/ventoy/hook/easystartup/ventoy-hook.sh

@@ -0,0 +1,23 @@
+#!/ventoy/busybox/sh
+#************************************************************************************
+# Copyright (c) 2021, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+. $VTOY_PATH/hook/ventoy-os-lib.sh
+
+$SED "s#^CDROM=.*#CDROM=/dev/dm-0#" -i /init
+$BUSYBOX_PATH/cp -a $VTOY_PATH/hook/easystartup/ventoy-initqueue.sh  /initqueue/ventoy.sh

IMG/cpio/ventoy/hook/easystartup/ventoy-initqueue.sh

@@ -0,0 +1,20 @@
+#!/ventoy/busybox/sh
+#************************************************************************************
+# Copyright (c) 2021, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+/ventoy/busybox/sh /ventoy/hook/easystartup/disk_hook.sh $*

IMG/cpio/ventoy/hook/openEuler/ventoy-hook.sh

@@ -19,9 +19,6 @@
 
 . $VTOY_PATH/hook/ventoy-os-lib.sh
 
-#ventoy_systemd_udevd_work_around
-#ventoy_add_udev_rule "$VTOY_PATH/hook/default/udev_disk_hook.sh %k noreplace"
-
 if [ -f $VTOY_PATH/autoinstall ]; then
     VTKS="inst.ks=file:$VTOY_PATH/autoinstall"
 else
@@ -40,7 +37,25 @@ else
     done
 fi
 
-echo "VTKS=$VTKS" >> $VTLOG
+if [ -f $VTOY_PATH/ventoy_persistent_map ]; then
+    VTOVERLAY="rd.live.overlay=/dev/dm-1:/vtoyoverlayfs/overlayfs"
+    
+    if [ -e /sbin/dmsquash-live-root ]; then
+        echo "patch /sbin/dmsquash-live-root for persistent ..." >> $VTLOG
+        $SED "/mount.*devspec.*\/run\/initramfs\/overlayfs/a . /ventoy/hook/openEuler/ventoy-overlay.sh" -i /sbin/dmsquash-live-root
+    fi
+    
+    #close selinux
+    $BUSYBOX_PATH/mkdir -p $VTOY_PATH/selinuxfs
+    if $BUSYBOX_PATH/mount -t selinuxfs selinuxfs $VTOY_PATH/selinuxfs; then
+        echo 1 > $VTOY_PATH/selinuxfs/disable
+        $BUSYBOX_PATH/umount $VTOY_PATH/selinuxfs
+    fi    
+    $BUSYBOX_PATH/rm -rf $VTOY_PATH/selinuxfs
+fi
+
+
+echo "VTKS=$VTKS  VTOVERLAY=$VTOVERLAY" >> $VTLOG
 
 if ls $VTOY_PATH | $GREP -q 'ventoy_dud[0-9]'; then
     for vtDud in $(ls $VTOY_PATH/ventoy_dud*); do
@@ -49,11 +64,7 @@ if ls $VTOY_PATH | $GREP -q 'ventoy_dud[0-9]'; then
 fi
 echo "vtInstDD=$vtInstDD" >> $VTLOG
 
-if $GREP -q 'root=live' /proc/cmdline; then
-    $SED "s#printf\(.*\)\$CMDLINE#printf\1\$CMDLINE root=live:/dev/dm-0 $VTKS $vtInstDD#" -i /lib/dracut-lib.sh
-else
-    $SED "s#printf\(.*\)\$CMDLINE#printf\1\$CMDLINE inst.stage2=hd:/dev/dm-0 $VTKS $vtInstDD#" -i /lib/dracut-lib.sh
-fi
+$SED "s#printf\(.*\)\$CMDLINE#printf\1\$CMDLINE inst.stage2=hd:/dev/dm-0 $VTKS $vtInstDD#" -i /lib/dracut-lib.sh
 
 ventoy_set_inotify_script  openEuler/ventoy-inotifyd-hook.sh
 
@@ -66,14 +77,15 @@ fi
 
 $BUSYBOX_PATH/cp -a $VTOY_PATH/hook/openEuler/ventoy-inotifyd-start.sh /lib/dracut/hooks/pre-udev/${vtPriority}-ventoy-inotifyd-start.sh
 $BUSYBOX_PATH/cp -a $VTOY_PATH/hook/openEuler/ventoy-timeout.sh /lib/dracut/hooks/initqueue/timeout/${vtPriority}-ventoy-timeout.sh
+$BUSYBOX_PATH/cp -a $VTOY_PATH/hook/openEuler/ventoy-repo.sh /lib/dracut/hooks/pre-pivot/99-ventoy-repo.sh
 
-if [ -e /sbin/dmsquash-live-root ]; then
+if [ -f /sbin/dmsquash-live-root ]; then
     echo "patch /sbin/dmsquash-live-root ..." >> $VTLOG
     $SED "1 a $BUSYBOX_PATH/sh $VTOY_PATH/hook/openEuler/ventoy-make-link.sh" -i /sbin/dmsquash-live-root
 fi
 
 # suppress write protected mount warning
-if [ -e /usr/sbin/anaconda-diskroot ]; then
+if [ -f /usr/sbin/anaconda-diskroot ]; then
     $SED  's/^mount $dev $repodir/mount -oro $dev $repodir/' -i /usr/sbin/anaconda-diskroot
 fi
 

IMG/cpio/ventoy/hook/openEuler/ventoy-inotifyd-hook.sh

@@ -29,20 +29,11 @@ if is_inotify_ventoy_part $3; then
 
     vtlog "##### INOTIFYD: $2/$3 is created (YES) ..."
 
-    vtGenRulFile='/etc/udev/rules.d/99-live-squash.rules'
-    if [ -e $vtGenRulFile ] && $GREP -q dmsquash $vtGenRulFile; then
-        vtScript=$($GREP -m1 'RUN.=' $vtGenRulFile | $AWK -F'RUN.=' '{print $2}' | $SED 's/"\(.*\)".*/\1/')
-        vtlog "vtScript=$vtScript"
-        $vtScript
-    else
-        vtlog "$vtGenRulFile not exist..."
-    fi
-
     vtlog "find ventoy partition ..."
     
-    vtReplaceOpt=noreplace
+    #vtReplaceOpt=noreplace
     
-    $BUSYBOX_PATH/sh $VTOY_PATH/hook/default/udev_disk_hook.sh $3 $vtReplaceOpt
+    $BUSYBOX_PATH/sh $VTOY_PATH/hook/default/udev_disk_hook.sh $3 
     
     blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep ventoy | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')  
     vtDM=$(ventoy_find_dm_id ${blkdev_num})

IMG/cpio/ventoy/hook/openEuler/ventoy-overlay.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+#************************************************************************************
+# Copyright (c) 2020, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+[ -d /run/initramfs/overlayfs$pathspec ] || mkdir -p /run/initramfs/overlayfs$pathspec
+[ -d /run/initramfs/overlayfs$pathspec/../ovlwork ] || mkdir -p /run/initramfs/overlayfs$pathspec/../ovlwork

IMG/cpio/ventoy/hook/openEuler/ventoy-repo.sh

@@ -0,0 +1,29 @@
+#!/ventoy/busybox/sh
+#************************************************************************************
+# Copyright (c) 2020, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+. /ventoy/hook/ventoy-hook-lib.sh
+
+vtlog "##### $0 $* ..."
+
+VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
+
+repodev=$(ls $VTOY_PATH/dev_backup*)
+echo "inst.repo=hd:/dev/${repodev#*dev_backup_}" >> /sysroot/etc/cmdline
+
+PATH=$VTPATH_OLD

IMG/cpio/ventoy/hook/rhel7/ventoy-hook.sh

@@ -45,7 +45,8 @@ if [ -f $VTOY_PATH/ventoy_persistent_map ]; then
     
     if [ -e /sbin/dmsquash-live-root ]; then
         echo "patch /sbin/dmsquash-live-root for persistent ..." >> $VTLOG
-        $SED "/mount.*devspec.*\/run\/initramfs\/overlayfs/a . /ventoy/hook/rhel7/ventoy-overlay.sh" -i /sbin/dmsquash-live-root
+        $SED "/mount.*devspec.*\/run\/initramfs\/overlayfs/a . /ventoy/hook/rhel7/ventoy-overlay.sh" -i /sbin/dmsquash-live-root        
+        $SED "s/osmin.img/osmin.imgxxxx/g" -i /sbin/dmsquash-live-root
     fi
     
     #close selinux
@@ -85,6 +86,29 @@ fi
 $BUSYBOX_PATH/cp -a $VTOY_PATH/hook/rhel7/ventoy-inotifyd-start.sh /lib/dracut/hooks/pre-udev/${vtPriority}-ventoy-inotifyd-start.sh
 $BUSYBOX_PATH/cp -a $VTOY_PATH/hook/rhel7/ventoy-timeout.sh /lib/dracut/hooks/initqueue/timeout/${vtPriority}-ventoy-timeout.sh
 
+vtNeedRepo=
+if [ -f /etc/system-release ]; then
+    if $GREP -q 'RED OS' /etc/system-release; then
+        vtNeedRepo="yes"
+    fi
+fi
+
+if $GREP -q 'el[89]' /proc/version; then
+    vtNeedRepo="yes"
+fi
+
+if $GREP -i -q Fedora /proc/version; then
+    if $GREP -q 'Server Edition' /etc/os-release; then
+        vtNeedRepo="yes"
+    fi
+fi
+
+echo "vtNeedRepo=$vtNeedRepo" >> $VTLOG
+
+if [ "$vtNeedRepo" = "yes" ]; then
+    $BUSYBOX_PATH/cp -a $VTOY_PATH/hook/rhel7/ventoy-repo.sh /lib/dracut/hooks/pre-pivot/99-ventoy-repo.sh
+fi
+
 if [ -e /sbin/dmsquash-live-root ]; then
     echo "patch /sbin/dmsquash-live-root ..." >> $VTLOG
     $SED "1 a $BUSYBOX_PATH/sh $VTOY_PATH/hook/rhel7/ventoy-make-link.sh" -i /sbin/dmsquash-live-root

IMG/cpio/ventoy/hook/rhel7/ventoy-inotifyd-hook.sh

@@ -41,14 +41,8 @@ if is_inotify_ventoy_part $3; then
     vtlog "find ventoy partition ..."
     
     vtReplaceOpt=noreplace
-    
-    if $GREP -q el8 /proc/version && [ -f /etc/system-release ]; then
-        vtRhel8Ver=$($SED "s#.*8\.\([0-9]*\).*#\1#" /etc/system-release)
-        if [ $vtRhel8Ver -ge 3 ]; then
-            vtReplaceOpt=""
-        elif $GREP -q "Stream" /etc/system-release; then            
-            vtReplaceOpt=""
-        fi        
+    if [ -f /lib/dracut/hooks/pre-pivot/99-ventoy-repo.sh ]; then
+        vtReplaceOpt=""
     fi
     
     $BUSYBOX_PATH/sh $VTOY_PATH/hook/default/udev_disk_hook.sh $3 $vtReplaceOpt

IMG/cpio/ventoy/hook/rhel7/ventoy-repo.sh

@@ -0,0 +1,29 @@
+#!/ventoy/busybox/sh
+#************************************************************************************
+# Copyright (c) 2020, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+. /ventoy/hook/ventoy-hook-lib.sh
+
+vtlog "##### $0 $* ..."
+
+VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
+
+repodev=$(ls $VTOY_PATH/dev_backup*)
+echo "inst.repo=hd:/dev/${repodev#*dev_backup_}" >> /sysroot/etc/cmdline
+
+PATH=$VTPATH_OLD

IMG/cpio/ventoy/hook/suse/udev_setup_hook.sh

@@ -0,0 +1,42 @@
+#!/ventoy/busybox/sh
+#************************************************************************************
+# Copyright (c) 2020, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+. /ventoy/hook/ventoy-hook-lib.sh
+
+wait_for_usb_disk_ready
+
+vtdiskname=$(get_ventoy_disk_name)
+if [ "$vtdiskname" = "unknown" ]; then
+    vtlog "ventoy disk not found"
+    exit 0
+fi
+
+vtlog "wait_for_usb_disk_ready $vtdiskname ..."
+
+if echo $vtdiskname | $EGREP -q "nvme|mmc|nbd"; then
+    vtpart2=${vtdiskname}p2
+else
+    vtpart2=${vtdiskname}2
+fi
+
+/ventoy/busybox/sh /ventoy/hook/suse/udev_disk_hook.sh "${vtpart2#/dev/}"
+
+if $GREP -q 'mediacheck=1' /proc/cmdline; then   
+    ventoy_copy_device_mapper "${vtdiskname}"
+fi

IMG/cpio/ventoy/hook/suse/ventoy-hook.sh

@@ -63,6 +63,9 @@ if [ -e /etc/initrd.functions ] && $GREP -q 'HPIP' /etc/initrd.functions; then
     $BUSYBOX_PATH/mknod -m 660 /dev/console b 5 1
     $SED "/CD_DEVICES=/a $BUSYBOX_PATH/sh $VTOY_PATH/hook/suse/disk_hook.sh" -i /etc/initrd.functions
     $SED "/CD_DEVICES=/a CD_DEVICES=\"/dev/ventoy \$CD_DEVICES\"" -i /etc/initrd.functions
+elif [ -f /scripts/udev_setup ]; then
+    echo "udev_setup" >> $VTLOG
+    echo "/ventoy/busybox/sh /ventoy/hook/suse/udev_setup_hook.sh" >> /scripts/udev_setup    
 else
     echo "SUSE" >> $VTLOG
     ventoy_systemd_udevd_work_around

IMG/cpio/ventoy/hook/ventoy-hook-lib.sh

@@ -30,6 +30,8 @@ SLEEP=$BUSYBOX_PATH/sleep
 HEAD=$BUSYBOX_PATH/head
 VTOY_DM_PATH=/dev/mapper/ventoy
 VTOY_DEBUG_LEVEL=$($BUSYBOX_PATH/hexdump -n 1 -s 450 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
+VTOY_LINUX_REMOUNT=$($BUSYBOX_PATH/hexdump -n 1 -s 454 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
+VTOY_VLNK_BOOT=$($BUSYBOX_PATH/hexdump -n 1 -s 455 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
 
 if [ "$VTOY_DEBUG_LEVEL" = "01" ]; then
     if [ -e /dev/console ]; then
@@ -57,24 +59,28 @@ vterr() {
 
 
 is_ventoy_hook_finished() {
-	[ -e $VTOY_PATH/hook_finish ]
+    [ -e $VTOY_PATH/hook_finish ]
 }
 
 set_ventoy_hook_finish() {
-	echo 'Y' > $VTOY_PATH/hook_finish
+    echo 'Y' > $VTOY_PATH/hook_finish
 }
 
-get_ventoy_disk_name() {	
-    line=$($VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param)
-    if [ $? -eq 0 ]; then
-        echo ${line%%#*}
-    else    
-        echo "unknown"
+get_ventoy_disk_name() {
+    if [ "$VTOY_VLNK_BOOT" = "01" ]; then
+        $VTOY_PATH/tool/vtoydump -t /ventoy/ventoy_os_param
+    else
+        line=$($VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param)
+        if [ $? -eq 0 ]; then
+            echo ${line%%#*}
+        else    
+            echo "unknown"
+        fi
     fi
 }
 
 get_ventoy_iso_name() {
-	line=$($VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param)
+    line=$($VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param)
     if [ $? -eq 0 ]; then
         echo ${line##*#}
     else    
@@ -83,8 +89,9 @@ get_ventoy_iso_name() {
 }
 
 wait_for_usb_disk_ready() {
-	while [ -n "Y" ]; do
-		usb_disk=$(get_ventoy_disk_name)
+    vtloop=0
+    while [ -n "Y" ]; do
+        usb_disk=$(get_ventoy_disk_name)
         vtlog "wait_for_usb_disk_ready $usb_disk ..."
         
         if echo $usb_disk | $EGREP -q "nvme|mmc|nbd"; then
@@ -95,13 +102,20 @@ wait_for_usb_disk_ready() {
         
         if [ -e "${vtpart2}" ]; then
             vtlog "wait_for_usb_disk_ready $usb_disk finish"
-			break
-		else
-			$SLEEP 0.3
-		fi
-	done
+            break
+        else
+            let vtloop=vtloop+1
+            if [ $vtloop -gt 2 ]; then
+                if [ "$VTLOG" != "$VTOY_PATH/log" ]; then
+                    $VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param -v > $VTLOG
+                fi
+            fi
+            $SLEEP 0.3
+        fi
+    done
 }
 
+
 check_usb_disk_ready() {
     if echo $1 | $EGREP -q "nvme|mmc|nbd"; then
         vtpart2=${1}p2
@@ -112,14 +126,6 @@ check_usb_disk_ready() {
     [ -e "${vtpart2}" ]
 }
 
-is_ventoy_disk() {
-    if $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c "$1"; then
-        $BUSYBOX_PATH/true
-    else
-        $BUSYBOX_PATH/false
-    fi
-}
-
 not_ventoy_disk() {
     if echo $1 | $EGREP -q "nvme.*p$|mmc.*p$|nbd.*p$"; then
         vtDiskName=${1:0:-1}
@@ -127,10 +133,15 @@ not_ventoy_disk() {
         vtDiskName=$1
     fi
 
-    if $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c "$vtDiskName"; then
-        $BUSYBOX_PATH/false
+    if [ "$VTOY_VLNK_BOOT" = "01" ]; then
+        vtVtoyDisk=$($VTOY_PATH/tool/vtoydump -t $VTOY_PATH/ventoy_os_param)
+        [ "$vtVtoyDisk" != "/dev/$vtDiskName" ]
     else
-        $BUSYBOX_PATH/true
+        if $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c "$vtDiskName"; then
+            $BUSYBOX_PATH/false
+        else
+            $BUSYBOX_PATH/true
+        fi
     fi
 }
 
@@ -212,6 +223,143 @@ ventoy_check_dm_module() {
     fi
 }
 
+ventoy_need_dm_patch() {
+    if [ "$VTOY_LINUX_REMOUNT" != "01" ]; then
+        $BUSYBOX_PATH/false; return
+    fi
+
+    if $GREP -q 'device-mapper' /proc/devices; then
+        :
+    else
+        $BUSYBOX_PATH/false; return
+    fi
+    
+    if $GREP -q 'dm_patch' /proc/modules; then
+        $BUSYBOX_PATH/false; return
+    fi
+    
+    vtMajorVer=$($BUSYBOX_PATH/uname -r | $AWK -F. '{print $1}')
+    vtMinorVer=$($BUSYBOX_PATH/uname -r | $AWK -F. '{print $2}')
+
+    if [ $vtMajorVer -lt 3 ]; then
+        $BUSYBOX_PATH/false; return
+    elif [ $vtMajorVer -eq 3 -a $vtMinorVer -lt 10 ]; then
+        $BUSYBOX_PATH/false; return
+    fi
+    
+    
+    $BUSYBOX_PATH/true
+}
+
+ventoy_dm_patch() {
+    vtMType=$($BUSYBOX_PATH/uname -m)
+
+    vtlog "######### ventoy_dm_patch ############"
+
+    if echo $vtMType | $EGREP -i -q "x86.64|amd64"; then
+        vtKoName=dm_patch_64.ko
+    elif echo $vtMType | $EGREP -i -q "i[3-6]86"; then
+        vtKoName=dm_patch_32.ko
+    else
+        vtlog "unsupported machine type $vtMType"
+        return
+    fi
+
+    if [ -f $VTOY_PATH/tool/$vtKoName ]; then
+        vtlog "/ventoy/tool/$vtKoName exist OK"
+    else
+        vtlog "/ventoy/tool/$vtKoName NOT exist"
+        return
+    fi
+    
+    $CAT /proc/kallsyms | $BUSYBOX_PATH/sort > $VTOY_PATH/kallsyms
+    
+    vtLine=$($VTOY_PATH/tool/vtoyksym dm_get_table_device $VTOY_PATH/kallsyms)
+    get_addr=$(echo $vtLine | $AWK '{print $1}')
+    get_size=$(echo $vtLine | $AWK '{print $2}')
+
+    vtLine=$($VTOY_PATH/tool/vtoyksym dm_put_table_device $VTOY_PATH/kallsyms)
+    put_addr=$(echo $vtLine | $AWK '{print $1}')
+    put_size=$(echo $vtLine | $AWK '{print $2}')
+    
+    ro_addr=$($GREP ' set_memory_ro$' /proc/kallsyms | $AWK '{print $1}')
+    rw_addr=$($GREP ' set_memory_rw$' /proc/kallsyms | $AWK '{print $1}')
+    kprobe_reg_addr=$($GREP ' register_kprobe$' /proc/kallsyms | $AWK '{print $1}')
+    kprobe_unreg_addr=$($GREP ' unregister_kprobe$' /proc/kallsyms | $AWK '{print $1}')
+    
+    if [ "$VTOY_DEBUG_LEVEL" = "01" ]; then
+        printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
+        vtDebug="-v"
+    else
+        printk_addr=0
+    fi
+    
+    #printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
+    #vtDebug="-v"
+    
+    vtlog get_addr=$get_addr  get_size=$get_size
+    vtlog put_addr=$put_addr  put_size=$put_size
+    vtlog kprobe_reg_addr=$kprobe_reg_addr  kprobe_unreg_addr=$kprobe_unreg_addr
+    vtlog ro_addr=$ro_addr  rw_addr=$rw_addr  printk_addr=$printk_addr
+
+    if [ "$get_addr" = "0" -o "$put_addr" = "0" ]; then
+        vtlog "Invalid symbol address"
+        return
+    fi
+    if [ "$ro_addr" = "0" -o "$rw_addr" = "0" ]; then
+        vtlog "Invalid symbol address"
+        return
+    fi
+
+
+    vtKv=$($BUSYBOX_PATH/uname -r)
+    
+    if [ ! -d /lib/modules/$vtKv ]; then
+        vtlog "No modules directory found"
+        return
+    elif [ -d /lib/modules/$vtKv/kernel/fs ]; then
+        vtModPath=$($FIND /lib/modules/$vtKv/kernel/fs/ -name "*.ko*" | $HEAD -n1)
+    else
+        vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "xfs.ko*" | $HEAD -n1)
+    fi
+    
+    if [ -z "$vtModPath" ]; then
+        vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "*.ko*" | $HEAD -n1)
+    fi
+    
+    vtModName=$($BUSYBOX_PATH/basename $vtModPath)
+    
+    vtlog "template module is $vtModPath $vtModName"
+    
+    if [ -z "$vtModPath" ]; then
+        vtlog "No template module found"
+        return
+    elif echo $vtModPath | $GREP -q "[.]ko$"; then
+        $BUSYBOX_PATH/cp -a $vtModPath  $VTOY_PATH/$vtModName
+    elif echo $vtModPath | $GREP -q "[.]ko[.]xz$"; then
+        $BUSYBOX_PATH/xzcat $vtModPath > $VTOY_PATH/$vtModName
+    elif echo $vtModPath | $GREP -q "[.]ko[.]gz$"; then
+        $BUSYBOX_PATH/zcat $vtModPath > $VTOY_PATH/$vtModName
+    else
+        vtlog "unsupport module type"
+        return
+    fi
+    
+    #step1: modify vermagic/mod crc/relocation
+    $VTOY_PATH/tool/vtoykmod -u $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug
+    
+    #step2: fill parameters
+    vtPgsize=$($VTOY_PATH/tool/vtoyksym -p)
+    $VTOY_PATH/tool/vtoykmod -f $VTOY_PATH/tool/$vtKoName $vtPgsize 0x$printk_addr 0x$ro_addr 0x$rw_addr $get_addr $get_size $put_addr $put_size 0x$kprobe_reg_addr 0x$kprobe_unreg_addr $vtDebug
+
+    $BUSYBOX_PATH/insmod $VTOY_PATH/tool/$vtKoName
+    
+    if $GREP -q 'dm_patch' /proc/modules; then
+        echo "done" > $VTOY_PATH/dm_patch_done
+    fi
+    
+}
+
 create_ventoy_device_mapper() {
     vtlog "create_ventoy_device_mapper $*"
     
@@ -222,19 +370,36 @@ create_ventoy_device_mapper() {
     fi
     
     vtlog "dmsetup avaliable in system $VT_DM_BIN"
-        
+
     if ventoy_check_dm_module "$1"; then
         vtlog "device-mapper module check success"
     else
         vterr "Error: no dm module avaliable"
     fi
     
-    $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $1 > $VTOY_PATH/ventoy_dm_table        
+    $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $1 > $VTOY_PATH/ventoy_dm_table
+    
+    
+    vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
+    vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
+    vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
+    vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
+    if ventoy_need_dm_patch; then
+        ventoy_dm_patch
+        #suppress printk message
+        echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
+    fi
+
     if [ -z "$2" ]; then
         $VT_DM_BIN create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1
     else
         $VT_DM_BIN "$2" create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1
-    fi    
+    fi
+
+    if ventoy_need_dm_patch; then    
+        #recover printk level
+        echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
+    fi
 }
 
 create_persistent_device_mapper() {
@@ -254,8 +419,24 @@ create_persistent_device_mapper() {
         vterr "Error: no dm module avaliable"
     fi
     
-    $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_persistent_map -d $1 > $VTOY_PATH/persistent_dm_table        
+    $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_persistent_map -d $1 > $VTOY_PATH/persistent_dm_table    
+
+
+    vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
+    vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
+    vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
+    vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
+    if [ -f $VTOY_PATH/dm_patch_done ]; then
+        #suppress printk message
+        echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
+    fi
+    
     $VT_DM_BIN create vtoy_persistent $VTOY_PATH/persistent_dm_table >>$VTLOG 2>&1
+    
+    if [ -f $VTOY_PATH/dm_patch_done ]; then
+        #recover printk level
+        echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
+    fi
 }
 
 
@@ -485,6 +666,22 @@ ventoy_create_persistent_link() {
     fi    
 }
 
+ventoy_partname_to_diskname() {
+    if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
+        echo -n "${1:0:-2}"    
+    else
+        echo -n "${1:0:-1}"
+    fi
+}
+
+ventoy_diskname_to_partname() {
+    if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
+        echo -n "${1}p$2"
+    else
+        echo -n "${1}$2"
+    fi
+}
+
 ventoy_udev_disk_common_hook() {    
     if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
         VTDISK="${1:0:-2}"    
@@ -533,6 +730,10 @@ ventoy_udev_disk_common_hook() {
         create_persistent_device_mapper "/dev/$VTDISK"
         ventoy_create_persistent_link
     fi
+    
+    if $GREP -q 'dm_patch' /proc/modules; then
+        $BUSYBOX_PATH/rmmod dm_patch
+    fi
 }
 
 ventoy_create_dev_ventoy_part() {   
@@ -542,6 +743,15 @@ ventoy_create_dev_ventoy_part() {
     if [ -e /vtoy_dm_table ]; then
         vtPartid=1
         
+        vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
+        vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
+        vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
+        vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
+        if [ -f $VTOY_PATH/dm_patch_done ]; then
+            #suppress printk message
+            echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
+        fi
+        
         $CAT /vtoy_dm_table | while read vtline; do
             echo $vtline > /ventoy/dm_table_part${vtPartid}
             $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid}
@@ -549,6 +759,36 @@ ventoy_create_dev_ventoy_part() {
             blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy${vtPartid} | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
             $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy${vtPartid} b $blkdev_num
             
+            vtPartid=$(expr $vtPartid + 1)
+        done   
+
+        if [ -f $VTOY_PATH/dm_patch_done ]; then
+            #recover printk level
+            echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
+        fi
+    fi
+}
+
+
+ventoy_create_chromeos_ventoy_part() {   
+    blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
+    $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy b $blkdev_num
+    
+    if [ -e /vtoy_dm_table ]; then
+        vtPartid=1
+        
+        $CAT /vtoy_dm_table | while read vtline; do
+            echo $vtline > /ventoy/dm_table_part${vtPartid}
+
+            if [ $vtPartid -eq $1 ]; then
+                $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid} --readonly
+            else
+                $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid}
+            fi
+
+            blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy${vtPartid} | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
+            $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy${vtPartid} b $blkdev_num
+            
             vtPartid=$(expr $vtPartid + 1)
         done        
     fi
@@ -565,7 +805,12 @@ is_inotify_ventoy_part() {
                 fi
                 
                 if [ -e /dev/$vtShortName ]; then
-                    $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c $vtShortName
+                    if [ "$VTOY_VLNK_BOOT" = "01" ]; then
+                        vtOrgDiskName=$($VTOY_PATH/tool/vtoydump -t $VTOY_PATH/ventoy_os_param)
+                        [ "$vtOrgDiskName" = "/dev/$vtShortName" ]
+                    else
+                        $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c $vtShortName
+                    fi
                     return
                 fi
             fi
@@ -610,3 +855,10 @@ ventoy_extract_vtloopex() {
     
     cd $vtCurPwd
 }
+
+ventoy_check_install_module_xz() {
+    if [ -f "${1}.xz" ]; then
+        $BUSYBOX_PATH/xz -d  "${1}.xz"
+        $BUSYBOX_PATH/insmod "$1"
+    fi
+}

IMG/cpio/ventoy/init_chain

@@ -185,7 +185,7 @@ ventoy_unpack_injection() {
 
 if [ -e $VTOY_PATH/ventoy_injection ]; then
     echo "### decompress injection ... ###" >>$VTLOG
-    ventoy_unpack_injection > $VTOY_PATH/injection.log 2>&1
+    ventoy_unpack_injection > $VTOY_PATH/injection.log 2>&1    
 fi
 
 

IMG/cpio/ventoy/loop/cloudready/ventoy-hook.sh

@@ -0,0 +1,205 @@
+#!/ventoy/busybox/sh
+#************************************************************************************
+# Copyright (c) 2021, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+. /ventoy/hook/ventoy-hook-lib.sh
+
+vtlog "####### $0 $* ########"
+
+VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
+
+mkdir /sys
+mount -t sysfs sys /sys
+mdev -s
+sleep 2
+
+while [ -n "Y" ]; do
+    usb_disk=$(get_ventoy_disk_name)
+    
+    if echo $usb_disk | egrep -q "nvme|mmc|nbd"; then
+        vtpart2=${usb_disk}p2
+    else
+        vtpart2=${usb_disk}2
+    fi
+    
+    if [ -e "${vtpart2}" ]; then
+        break
+    else
+        sleep 2
+        mdev -s
+    fi
+done
+
+vtdiskname=$(get_ventoy_disk_name)
+if [ "$vtdiskname" = "unknown" ]; then
+    vtlog "ventoy disk not found"
+    PATH=$VTPATH_OLD
+    exit 0
+fi
+
+ventoy_udev_disk_common_hook "${vtdiskname#/dev/}2" "noreplace"
+
+blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep ventoy | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')
+vtDM=$(ventoy_find_dm_id ${blkdev_num})
+echo -n $vtDM > /ventoy/vtDM
+
+ventoy_create_chromeos_ventoy_part 3
+mdev -s
+
+vtlog "copy out the e2fsck program ..."
+
+copy_lib() {
+    cp -a /ventoy_rdroot/usr/lib64/$1 /usr/lib64/
+    cp -a /ventoy_rdroot/lib64/$1 /lib64/
+}
+
+mkdir /ventoy_rdroot
+mkdir -p /lib /lib64 /usr/lib64 /sbin
+
+mount -o ro /dev/ventoy3 /ventoy_rdroot >>$VTLOG 2>&1
+cp -a /ventoy_rdroot/sbin/e2fsck /sbin/
+cp -a /ventoy_rdroot/sbin/dmsetup /sbin/
+
+copy_lib libext2fs*
+copy_lib libcom_err*
+copy_lib libe2p*
+copy_lib libblk*
+copy_lib libuuid*
+copy_lib libdl.*
+copy_lib libdl-*
+copy_lib libc.*
+copy_lib libc-*
+copy_lib libpthread*
+copy_lib ld-*
+copy_lib libdevmapper*
+copy_lib libudev*
+copy_lib libm.*
+copy_lib libm-*
+copy_lib librt*
+copy_lib libpopt*
+copy_lib libgpg-error*
+copy_lib libselinux*
+copy_lib libsepol*
+copy_lib libpcre*
+copy_lib libcap*
+copy_lib libdw*
+copy_lib libgcc_s*
+copy_lib libattr*
+copy_lib libelf*
+copy_lib libz.*
+copy_lib libbz2*
+copy_lib libgcrypt*
+copy_lib liblvm*
+
+ln -s /lib64/libdevmapper.so.1.02 /lib64/libdevmapper.so.1.02.1
+
+umount /ventoy_rdroot
+
+vtlog "========================================="
+vtlog "===== e2fsck -y -v /dev/ventoy1 ====="
+e2fsck -y -v /dev/ventoy1 >>$VTLOG 2>&1
+#vtlog "===== e2fsck -y -v /dev/ventoy3 ====="
+#e2fsck -y -v /dev/ventoy3 >>$VTLOG 2>&1
+vtlog "===== e2fsck -y -v /dev/ventoy8 ====="
+e2fsck -y -v /dev/ventoy8 >>$VTLOG 2>&1
+vtlog "========================================="
+
+/sbin/dmsetup --version >>$VTLOG 2>&1
+veritysetup --version >>$VTLOG 2>&1
+
+vtlog "proc devtmpfs ..."
+mkdir /newdev
+mount -t devtmpfs dev /newdev
+
+cp -a /dev/mapper/ventoy* /newdev/mapper/
+cp -a /dev/ventoy* /newdev/
+
+if [ "$VTOY_VLNK_BOOT" = "01" ]; then
+    vtLine=$($VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param)
+    vtdiskname=${vtLine%%#*}
+fi
+
+vtshortname="${vtdiskname#/dev/}"
+mv /newdev/${vtshortname} /newdev/backup_${vtshortname}
+cp -a /dev/ventoy /newdev/${vtshortname}
+
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
+    if [ -e /dev/ventoy${i} ]; then
+        if echo $vtdiskname | egrep -q "nvme|mmc|nbd"; then
+            vtpart=p$i
+        else
+            vtpart=$i
+        fi
+        
+        if [ -e /newdev/${vtshortname}${vtpart} ]; then
+            mv /newdev/${vtshortname}${vtpart} /newdev/backup_${vtshortname}${vtpart}
+        fi
+
+        cp -a /dev/ventoy${i} /newdev/${vtshortname}${vtpart}
+        
+        if [ $i -eq 3 ]; then
+            [ -e /dev/${vtshortname}${vtpart} ] && rm -f /dev/${vtshortname}${vtpart}
+            cp -a /dev/ventoy${i} /dev/${vtshortname}${vtpart}            
+            vt_root_dev="/dev/${vtshortname}${vtpart}"            
+            vtlog "vt_root_dev=$vt_root_dev"
+        fi
+    fi
+done
+
+
+# if grep -q 'DM=' /proc/cmdline; then
+    # vtlog "Boot verified image ..."
+    
+    # dmP1=$(sed "s/.*\(0 [0-9]* verity\).*/\1/" /proc/cmdline)
+    # alg=$(sed "s/.*alg=\([^ ]*\).*/\1/" /proc/cmdline)
+    # hexdigest=$(sed "s/.*root_hexdigest=\([0-9a-fA-F][0-9a-fA-F]*\).*/\1/" /proc/cmdline)
+    # salt=$(sed "s/.*salt=\([0-9a-fA-F][0-9a-fA-F]*\).*/\1/" /proc/cmdline)
+    # hashstart=$(sed "s/.*hashstart=\([0-9][0-9]*\).*/\1/" /proc/cmdline)
+    
+    #512 to 4096
+    # blocknum=$(expr $hashstart / 8)
+    # hashoffset=$(expr $hashstart \* 512)
+    
+    # vtlog "veritysetup create vroot $vt_root_dev $vt_root_dev $hexdigest --data-block-size=4096 --hash-block-size=4096 --data-blocks=$blocknum --hash-offset=$hashoffset --salt=$salt --hash=$alg --no-superblock --format=0"
+    # veritysetup create vroot $vt_root_dev $vt_root_dev $hexdigest --data-block-size=4096 --hash-block-size=4096 --data-blocks=$blocknum --hash-offset=$hashoffset --salt=$salt --hash=$alg --no-superblock --format=0
+    # sleep 1
+    # mdev -s
+
+    # blkdev_num=$(dmsetup ls | grep vroot | sed 's/.*(\([0-9][0-9]*\),[^0-9]*\([0-9][0-9]*\).*/\1:\2/')
+    # vtDM=$(ventoy_find_dm_id ${blkdev_num})
+    # vtlog "blkdev_num=$blkdev_num vtDM=$vtDM"
+
+    # if [ -b /dev/$vtDM ]; then
+        # veritysetup status vroot >> $VTLOG 2>&1
+        # mount -o ro /dev/$vtDM /ventoy_rdroot
+    # else
+        # mount -o ro $vt_root_dev /ventoy_rdroot
+    # fi
+# else
+    # vtlog "Boot normal image ..."
+    # mount -o ro $vt_root_dev /ventoy_rdroot
+# fi
+
+vtlog "Boot normal image ..."
+mount -o ro $vt_root_dev /ventoy_rdroot
+
+cp -a $VTLOG /newdev/ventoy.log
+umount /newdev
+mount -t devtmpfs dev /ventoy_rdroot/dev
+
+PATH=$VTPATH_OLD

IMG/cpio/ventoy/loop/esysrescue/ventoy-disk.sh

@@ -0,0 +1,47 @@
+#!/ventoy/busybox/sh
+#************************************************************************************
+# Copyright (c) 2020, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+. /ventoy/hook/ventoy-hook-lib.sh
+
+if is_ventoy_hook_finished; then
+    exit 0
+fi
+
+vtlog "####### $0 $* ########"
+
+VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
+
+wait_for_usb_disk_ready
+
+vtdiskname=$(get_ventoy_disk_name)
+if [ "$vtdiskname" = "unknown" ]; then
+    vtlog "ventoy disk not found"
+    PATH=$VTPATH_OLD
+    exit 0
+fi
+
+ventoy_udev_disk_common_hook "${vtdiskname#/dev/}2" "noreplace"
+
+ventoy_create_dev_ventoy_part
+
+ln -s "../../ventoy1" /dev/disk/by-label/ESYSRESCUE
+
+PATH=$VTPATH_OLD
+
+set_ventoy_hook_finish

IMG/cpio/ventoy/loop/esysrescue/ventoy-hook.sh

@@ -0,0 +1,26 @@
+#!/ventoy/busybox/sh
+#************************************************************************************
+# Copyright (c) 2020, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+. $VTOY_PATH/hook/ventoy-os-lib.sh
+
+$SED "/maybe_break premount/i\ $BUSYBOX_PATH/sh $VTOY_PATH/loop/esysrescue/ventoy-disk.sh" -i /init
+
+if [ -f /scripts/casper-bottom/09format_esr_data_partition ]; then
+    $SED '/mkfs.vfat.*edev.3/icp -a /dev/dm-3 /dev/ventoy3' -i /scripts/casper-bottom/09format_esr_data_partition
+fi

IMG/cpio/ventoy/loop/fydeos/ventoy-hook.sh

@@ -0,0 +1,205 @@
+#!/ventoy/busybox/sh
+#************************************************************************************
+# Copyright (c) 2021, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+. /ventoy/hook/ventoy-hook-lib.sh
+
+vtlog "####### $0 $* ########"
+
+VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
+
+mkdir /sys
+mount -t sysfs sys /sys
+mdev -s
+sleep 2
+
+while [ -n "Y" ]; do
+    usb_disk=$(get_ventoy_disk_name)
+    
+    if echo $usb_disk | egrep -q "nvme|mmc|nbd"; then
+        vtpart2=${usb_disk}p2
+    else
+        vtpart2=${usb_disk}2
+    fi
+    
+    if [ -e "${vtpart2}" ]; then
+        break
+    else
+        sleep 2
+        mdev -s
+    fi
+done
+
+vtdiskname=$(get_ventoy_disk_name)
+if [ "$vtdiskname" = "unknown" ]; then
+    vtlog "ventoy disk not found"
+    PATH=$VTPATH_OLD
+    exit 0
+fi
+
+ventoy_udev_disk_common_hook "${vtdiskname#/dev/}2" "noreplace"
+
+blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep ventoy | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')
+vtDM=$(ventoy_find_dm_id ${blkdev_num})
+echo -n $vtDM > /ventoy/vtDM
+
+ventoy_create_chromeos_ventoy_part 3
+mdev -s
+
+vtlog "copy out the e2fsck program ..."
+
+copy_lib() {
+    cp -a /ventoy_rdroot/usr/lib64/$1 /usr/lib64/
+    cp -a /ventoy_rdroot/lib64/$1 /lib64/
+}
+
+mkdir /ventoy_rdroot
+mkdir -p /lib /lib64 /usr/lib64 /sbin
+
+mount -o ro /dev/ventoy3 /ventoy_rdroot >>$VTLOG 2>&1
+cp -a /ventoy_rdroot/sbin/e2fsck /sbin/
+cp -a /ventoy_rdroot/sbin/dmsetup /sbin/
+
+copy_lib libext2fs*
+copy_lib libcom_err*
+copy_lib libe2p*
+copy_lib libblk*
+copy_lib libuuid*
+copy_lib libdl.*
+copy_lib libdl-*
+copy_lib libc.*
+copy_lib libc-*
+copy_lib libpthread*
+copy_lib ld-*
+copy_lib libdevmapper*
+copy_lib libudev*
+copy_lib libm.*
+copy_lib libm-*
+copy_lib librt*
+copy_lib libpopt*
+copy_lib libgpg-error*
+copy_lib libselinux*
+copy_lib libsepol*
+copy_lib libpcre*
+copy_lib libcap*
+copy_lib libdw*
+copy_lib libgcc_s*
+copy_lib libattr*
+copy_lib libelf*
+copy_lib libz.*
+copy_lib libbz2*
+copy_lib libgcrypt*
+copy_lib liblvm*
+
+ln -s /lib64/libdevmapper.so.1.02 /lib64/libdevmapper.so.1.02.1
+
+umount /ventoy_rdroot
+
+vtlog "========================================="
+vtlog "===== e2fsck -y -v /dev/ventoy1 ====="
+e2fsck -y -v /dev/ventoy1 >>$VTLOG 2>&1
+#vtlog "===== e2fsck -y -v /dev/ventoy3 ====="
+#e2fsck -y -v /dev/ventoy3 >>$VTLOG 2>&1
+vtlog "===== e2fsck -y -v /dev/ventoy8 ====="
+e2fsck -y -v /dev/ventoy8 >>$VTLOG 2>&1
+vtlog "========================================="
+
+/sbin/dmsetup --version >>$VTLOG 2>&1
+veritysetup --version >>$VTLOG 2>&1
+
+vtlog "proc devtmpfs ..."
+mkdir /newdev
+mount -t devtmpfs dev /newdev
+
+cp -a /dev/mapper/ventoy* /newdev/mapper/
+cp -a /dev/ventoy* /newdev/
+
+if [ "$VTOY_VLNK_BOOT" = "01" ]; then
+    vtLine=$($VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param)
+    vtdiskname=${vtLine%%#*}
+fi
+
+vtshortname="${vtdiskname#/dev/}"
+mv /newdev/${vtshortname} /newdev/backup_${vtshortname}
+cp -a /dev/ventoy /newdev/${vtshortname}
+
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
+    if [ -e /dev/ventoy${i} ]; then
+        if echo $vtdiskname | egrep -q "nvme|mmc|nbd"; then
+            vtpart=p$i
+        else
+            vtpart=$i
+        fi
+        
+        if [ -e /newdev/${vtshortname}${vtpart} ]; then
+            mv /newdev/${vtshortname}${vtpart} /newdev/backup_${vtshortname}${vtpart}
+        fi
+
+        cp -a /dev/ventoy${i} /newdev/${vtshortname}${vtpart}
+        
+        if [ $i -eq 3 ]; then
+            [ -e /dev/${vtshortname}${vtpart} ] && rm -f /dev/${vtshortname}${vtpart}
+            cp -a /dev/ventoy${i} /dev/${vtshortname}${vtpart}            
+            vt_root_dev="/dev/${vtshortname}${vtpart}"            
+            vtlog "vt_root_dev=$vt_root_dev"
+        fi
+    fi
+done
+
+
+# if grep -q 'DM=' /proc/cmdline; then
+    # vtlog "Boot verified image ..."
+    
+    # dmP1=$(sed "s/.*\(0 [0-9]* verity\).*/\1/" /proc/cmdline)
+    # alg=$(sed "s/.*alg=\([^ ]*\).*/\1/" /proc/cmdline)
+    # hexdigest=$(sed "s/.*root_hexdigest=\([0-9a-fA-F][0-9a-fA-F]*\).*/\1/" /proc/cmdline)
+    # salt=$(sed "s/.*salt=\([0-9a-fA-F][0-9a-fA-F]*\).*/\1/" /proc/cmdline)
+    # hashstart=$(sed "s/.*hashstart=\([0-9][0-9]*\).*/\1/" /proc/cmdline)
+    
+    #512 to 4096
+    # blocknum=$(expr $hashstart / 8)
+    # hashoffset=$(expr $hashstart \* 512)
+    
+    # vtlog "veritysetup create vroot $vt_root_dev $vt_root_dev $hexdigest --data-block-size=4096 --hash-block-size=4096 --data-blocks=$blocknum --hash-offset=$hashoffset --salt=$salt --hash=$alg --no-superblock --format=0"
+    # veritysetup create vroot $vt_root_dev $vt_root_dev $hexdigest --data-block-size=4096 --hash-block-size=4096 --data-blocks=$blocknum --hash-offset=$hashoffset --salt=$salt --hash=$alg --no-superblock --format=0
+    # sleep 1
+    # mdev -s
+
+    # blkdev_num=$(dmsetup ls | grep vroot | sed 's/.*(\([0-9][0-9]*\),[^0-9]*\([0-9][0-9]*\).*/\1:\2/')
+    # vtDM=$(ventoy_find_dm_id ${blkdev_num})
+    # vtlog "blkdev_num=$blkdev_num vtDM=$vtDM"
+
+    # if [ -b /dev/$vtDM ]; then
+        # veritysetup status vroot >> $VTLOG 2>&1
+        # mount -o ro /dev/$vtDM /ventoy_rdroot
+    # else
+        # mount -o ro $vt_root_dev /ventoy_rdroot
+    # fi
+# else
+    # vtlog "Boot normal image ..."
+    # mount -o ro $vt_root_dev /ventoy_rdroot
+# fi
+
+vtlog "Boot normal image ..."
+mount -o ro $vt_root_dev /ventoy_rdroot
+
+cp -a $VTLOG /newdev/ventoy.log
+umount /newdev
+mount -t devtmpfs dev /ventoy_rdroot/dev
+
+PATH=$VTPATH_OLD

IMG/cpio/ventoy/loop/lakka/ventoy-disk.sh

@@ -34,9 +34,19 @@ else
     vtBit=32
 fi
 
-xz -d $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dm-mod.ko.xz
-insmod $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dm-mod.ko
+if grep -q "device-mapper" /proc/devices; then
+    vtlog "device-mapper enabled by system"
+else
+    if [ -f $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dax.ko.xz ]; then
+        xz -d $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dax.ko.xz
+        insmod $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dax.ko
+    fi
 
+    if [ -f $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dm-mod.ko.xz ]; then
+        xz -d $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dm-mod.ko.xz
+        insmod $VTOY_PATH/vtloopex/dm-mod/$vtKerVer/$vtBit/dm-mod.ko
+    fi
+fi
 
 wait_for_usb_disk_ready