The EFI spec states that the ESP can be any of FAT12/16/32 but for compatibility doesn't necssarily require the partition to be the EFI partition table ID of 0xef. A number of arm devices will not find their firmware on a FAT partition with an ID of 0xef so also allow the original FAT12/16/32 partition IDs as they are also permissable for an ESP.
Signed-off-by: Peter Robinson pbrobinson@gmail.com --- disk/part_dos.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/disk/part_dos.c b/disk/part_dos.c index 567ead7511d..303eb1d13ee 100644 --- a/disk/part_dos.c +++ b/disk/part_dos.c @@ -40,6 +40,12 @@ static int get_bootable(dos_partition_t *p) { int ret = 0;
+ if (p->sys_ind == 0x1) + ret |= PART_EFI_SYSTEM_PARTITION; + if (p->sys_ind == 0x6) + ret |= PART_EFI_SYSTEM_PARTITION; + if (p->sys_ind == 0x0b) + ret |= PART_EFI_SYSTEM_PARTITION; if (p->sys_ind == 0xef) ret |= PART_EFI_SYSTEM_PARTITION; if (p->boot_ind == 0x80)