mirrors/rufus
1
0
Fork 0
mirror of https://github.com/pbatard/rufus.git synced 2025-05-27 13:14:26 -04:00
Code Issues Projects Releases Packages Wiki Activity

[core] fix UEFI bootable DD images

Browse source 
* A DD image may have a zeroed MBR, yet be bootable through UEFI
* Also improve AnalyzePBR()
* Closes #320
This commit is contained in:
Pete Batard 2014-05-09 21:57:27 +01:00
parent 6390aa3968
commit 9aa308213d
2 changed files with 39 additions and 37 deletions
Download patch file Download diff file Expand all files Collapse all files

64
src/drive.c
View file

@ -505,17 +505,17 @@ BOOL IsMediaPresent(DWORD DriveIndex)
return r;
}
const struct {int (*fn)(FILE *fp); char* str; BOOL bootable;} known_mbr[] = {
{ is_dos_mbr, "DOS/NT/95A", TRUE },
{ is_dos_f2_mbr, "DOS/NT/95A (F2)", TRUE },
{ is_95b_mbr, "Windows 95B/98/98SE/ME", TRUE },
{ is_2000_mbr, "Windows 2000/XP/2003", TRUE },
{ is_vista_mbr, "Windows Vista", TRUE },
{ is_win7_mbr, "Windows 7", TRUE },
{ is_rufus_mbr, "Rufus", TRUE },
{ is_syslinux_mbr, "Syslinux", TRUE },
{ is_reactos_mbr, "Reactos", TRUE },
{ is_zero_mbr, "Zeroed", FALSE },
const struct {int (*fn)(FILE *fp); char* str;} known_mbr[] = {
{ is_dos_mbr, "DOS/NT/95A" },
{ is_dos_f2_mbr, "DOS/NT/95A (F2)" },
{ is_95b_mbr, "Windows 95B/98/98SE/ME" },
{ is_2000_mbr, "Windows 2000/XP/2003" },
{ is_vista_mbr, "Windows Vista" },
{ is_win7_mbr, "Windows 7" },
{ is_rufus_mbr, "Rufus" },
{ is_syslinux_mbr, "Syslinux" },
{ is_reactos_mbr, "Reactos" },
{ is_zero_mbr, "Zeroed" },
};
// Returns TRUE if the drive seems bootable, FALSE otherwise
@ -535,7 +535,7 @@ BOOL AnalyzeMBR(HANDLE hPhysicalDrive, const char* TargetName)
for (i=0; i<ARRAYSIZE(known_mbr); i++) {
if (known_mbr[i].fn(&fake_fd)) {
uprintf("%s has a %s %s\n", TargetName, known_mbr[i].str, mbr_name);
return known_mbr[i].bootable;
return TRUE;
}
}
@ -543,38 +543,40 @@ BOOL AnalyzeMBR(HANDLE hPhysicalDrive, const char* TargetName)
return TRUE;
}
// TODO: use an (fn,str) table and simplify this whole thing
const struct {int (*fn)(FILE *fp); char* str;} known_pbr[] = {
{ entire_fat_16_br_matches, "FAT16 DOS" },
{ entire_fat_16_fd_br_matches, "FAT16 FreeDOS" },
{ entire_fat_16_ros_br_matches, "FAT16 ReactOS" },
{ entire_fat_32_br_matches, "FAT32 DOS" },
{ entire_fat_32_nt_br_matches, "FAT32 NT" },
{ entire_fat_32_fd_br_matches, "FAT32 FreeDOS" },
{ entire_fat_32_ros_br_matches, "FAT32 ReactOS" },
};
BOOL AnalyzePBR(HANDLE hLogicalVolume)
{
const char* pbr_name = "Partition Boot Record";
FILE fake_fd = { 0 };
int i;
fake_fd._ptr = (char*)hLogicalVolume;
fake_fd._bufsiz = SelectedDrive.Geometry.BytesPerSector;
if (!is_br(&fake_fd)) {
uprintf("Volume does not have an x86 partition boot record\n");
uprintf("Volume does not have an x86 %s\n", pbr_name);
return FALSE;
}
if (is_fat_16_br(&fake_fd) || is_fat_32_br(&fake_fd)) {
if (entire_fat_16_br_matches(&fake_fd)) {
uprintf("Drive has a FAT16 DOS partition boot record\n");
} else if (entire_fat_16_fd_br_matches(&fake_fd)) {
uprintf("Drive has a FAT16 FreeDOS partition boot record\n");
} else if (entire_fat_16_ros_br_matches(&fake_fd)) {
uprintf("Drive has a FAT16 ReactOS partition boot record\n");
} else if (entire_fat_32_br_matches(&fake_fd)) {
uprintf("Drive has a FAT32 DOS partition boot record\n");
} else if (entire_fat_32_nt_br_matches(&fake_fd)) {
uprintf("Drive has a FAT32 NT partition boot record\n");
} else if (entire_fat_32_fd_br_matches(&fake_fd)) {
uprintf("Drive has a FAT32 FreeDOS partition boot record\n");
} else if (entire_fat_32_ros_br_matches(&fake_fd)) {
uprintf("Drive has a FAT32 ReactOS partition boot record\n");
} else {
uprintf("Drive has an unknown FAT16 or FAT32 partition boot record\n");
for (i=0; i<ARRAYSIZE(known_pbr); i++) {
if (known_pbr[i].fn(&fake_fd)) {
uprintf("Drive has a %s %s\n", known_pbr[i].str, pbr_name);
return TRUE;
}
}
uprintf("Volume has an unknown FAT16 or FAT32 %s\n", pbr_name);
} else {
uprintf("Drive has an unknown partition boot record\n");
uprintf("Volume has an unknown %s\n", pbr_name);
}
return TRUE;
}