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Fix the boot issue with old UEFI version firmware when secure boot is disabled.

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This commit is contained in:
longpanda
2026-06-25 19:23:48 +08:00
parent 31648a0d4b
commit 475de1dada
5 changed files with 241 additions and 84 deletions
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15
GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy.c
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@@ -359,12 +359,27 @@ int ventoy_set_sb_policy(void)
static void ventoy_get_uefi_sb(void)
{
grub_uint8_t secure_boot = 0;
grub_uint8_t setup_mode = 0;
grub_uint8_t *var = NULL;
grub_size_t size = 0;
grub_efi_guid_t global = GRUB_EFI_GLOBAL_VARIABLE_GUID;
var = grub_efi_get_variable("SecureBoot", &global, &size);
if (var && size == 1 && *var == 1)
{
secure_boot = 1;
}
grub_check_free(var);
size = 0;
var = grub_efi_get_variable("SetupMode", &global, &size);
if (var && size == 1 && *var == 1)
{
setup_mode = 1;
}
if (secure_boot == 1 && setup_mode == 0)
{
g_sys_sb = 1;
}