On Sat, 2 Mar 2024 at 13:20, Peter Robinson pbrobinson@gmail.com wrote:
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
v2:
- Add 0x0c option
- Make hex constants consistent
- Move from if to switch statement
v3:
- Fix switch brain fart
v4:
- Drop boot_ind out of switch
disk/part_dos.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/disk/part_dos.c b/disk/part_dos.c index 567ead7511d..a35181dff4f 100644 --- a/disk/part_dos.c +++ b/disk/part_dos.c @@ -40,10 +40,21 @@ static int get_bootable(dos_partition_t *p) { int ret = 0;
if (p->sys_ind == 0xef)
switch (p->sys_ind) {case 0x01:case 0x06:case 0x0b:case 0x0c:case 0xef: ret |= PART_EFI_SYSTEM_PARTITION;break;default:break;}if (p->boot_ind == 0x80) ret |= PART_BOOTABLE;return ret;}
-- 2.44.0
Reviewed-by: Ilias Apalodimas ilias.apalodimas@linaro.org