MyFavMirrors/Ventoy
1
0
Fork 0
mirror of https://github.com/ventoy/Ventoy.git synced 2025-02-05 10:48:11 -05:00
Code Issues Packages Projects Releases Wiki Activity

support boot Windows VHD(x) at local disk

Browse Source
This commit is contained in:
longpanda 2021-05-08 15:33:11 +08:00
parent 849dfb463d
commit d05eab2be1
1 changed files with 34 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_vhd.c
View File

@ -150,9 +150,12 @@ static int ventoy_vhd_patch_path(char *vhdpath, ventoy_patch_vhd *patch1, ventoy
static int ventoy_vhd_read_parttbl(const char *filename, ventoy_gpt_info *gpt, int *index) static int ventoy_vhd_read_parttbl(const char *filename, ventoy_gpt_info *gpt, int *index)
{ {
int i;
int ret = 1; int ret = 1;
grub_uint64_t start;
grub_file_t file = NULL; grub_file_t file = NULL;
grub_disk_t disk = NULL; grub_disk_t disk = NULL;
grub_uint8_t zeroguid[16] = {0};
file = grub_file_open(filename, VENTOY_FILE_TYPE); file = grub_file_open(filename, VENTOY_FILE_TYPE);
if (!file) if (!file)
@ -166,9 +169,38 @@ static int ventoy_vhd_read_parttbl(const char *filename, ventoy_gpt_info *gpt, i
goto end; goto end;
} }
*index = file->device->disk->partition->index;
grub_disk_read(disk, 0, 0, sizeof(ventoy_gpt_info), gpt); 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; ret = 0;
end: end: