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Fix a bug that Windows ISO in local disk can not install when boot through F2 browser mode in Legacy BIOS mode.

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This commit is contained in:
longpanda
2022-04-28 22:07:30 +08:00
parent fd0d335eb6
commit 0984f5ba58
7 changed files with 41 additions and 18 deletions
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3
GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_cmd.c
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@@ -113,6 +113,7 @@ grub_uint8_t *g_conf_replace_new_buf = NULL;
int g_conf_replace_new_len = 0;
int g_conf_replace_new_len_align = 0;
int g_ventoy_disk_bios_id = 0;
ventoy_gpt_info *g_ventoy_part_info = NULL;
grub_uint64_t g_ventoy_disk_size = 0;
grub_uint64_t g_ventoy_disk_part_size[2];
@@ -4526,6 +4527,8 @@ int ventoy_load_part_table(const char *diskname)
g_ventoy_disk_size = disk->total_sectors * (1U << disk->log_sector_size);
g_ventoy_disk_bios_id = disk->id;
grub_disk_read(disk, 0, 0, sizeof(ventoy_gpt_info), g_ventoy_part_info);
grub_disk_close(disk);

1
GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_def.h
View File

@@ -1034,6 +1034,7 @@ extern conf_replace *g_conf_replace_node;
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 int g_ventoy_disk_bios_id;
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;

39
GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_windows.c
View File

@@ -1651,24 +1651,39 @@ static void ventoy_windows_fill_virt_data( grub_uint64_t isosize, ventoy_chai
return;
}
static int ventoy_windows_drive_map(ventoy_chain_head *chain)
static int ventoy_windows_drive_map(ventoy_chain_head *chain, int vlnk)
{
int hd1 = 0;
grub_disk_t disk;
debug("drive map begin <%p> ...\n", chain);
debug("drive map begin <%p> <%d> ...\n", chain, vlnk);
if (chain->disk_drive == 0x80)
disk = grub_disk_open("hd1");
if (disk)
{
disk = grub_disk_open("hd1");
if (disk)
grub_disk_close(disk);
hd1 = 1;
debug("BIOS hd1 exist\n");
}
else
{
debug("failed to open disk %s\n", "hd1");
}
if (vlnk)
{
if (g_ventoy_disk_bios_id == 0x80 && hd1)
{
grub_disk_close(disk);
debug("drive map needed %p\n", disk);
debug("drive map needed vlnk %p\n", disk);
chain->drive_map = 0x81;
}
else
}
else if (chain->disk_drive == 0x80)
{
if (hd1)
{
debug("failed to open disk %s\n", "hd1");
debug("drive map needed normal %p\n", disk);
chain->drive_map = 0x81;
}
}
else
@@ -1961,7 +1976,7 @@ grub_err_t ventoy_cmd_windows_chain_data(grub_extcmd_context_t ctxt, int argc, c
if (ventoy_is_efi_os() == 0)
{
ventoy_windows_drive_map(chain);
ventoy_windows_drive_map(chain, file->vlnk);
}
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
@@ -2203,7 +2218,7 @@ static grub_err_t ventoy_vlnk_wim_chain_data(grub_file_t wimfile)
if (ventoy_is_efi_os() == 0)
{
ventoy_windows_drive_map(chain);
ventoy_windows_drive_map(chain, 0);
}
grub_file_close(file);
@@ -2357,7 +2372,7 @@ static grub_err_t ventoy_normal_wim_chain_data(grub_file_t wimfile)
if (ventoy_is_efi_os() == 0)
{
ventoy_windows_drive_map(chain);
ventoy_windows_drive_map(chain, 0);
}
grub_file_close(file);