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part: detect EFI system partition

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Up to now for MBR and GPT partitions the info field 'bootable' was set to 1
if either the partition was an EFI system partition or the bootable flag
was set.

Turn info field 'bootable' into a bit mask with separate bits for bootable
and EFI system partition.

This will allow us to identify the EFI system partition in the UEFI
sub-system.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt
2020-03-19 13:49:34 +01:00
parent 4fe050e65f
commit 25801acc1f
4 changed files with 32 additions and 13 deletions
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4
cmd/gpt.c
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@@ -245,7 +245,7 @@ static void print_gpt_info(void)
printf("Block size %lu, name %s\n", curr->gpt_part_info.blksz,
curr->gpt_part_info.name);
printf("Type %s, bootable %d\n", curr->gpt_part_info.type,
curr->gpt_part_info.bootable);
curr->gpt_part_info.bootable & PART_BOOTABLE);
#ifdef CONFIG_PARTITION_UUIDS
printf("UUID %s\n", curr->gpt_part_info.uuid);
#endif
@@ -535,7 +535,7 @@ static int set_gpt_info(struct blk_desc *dev_desc,
/* bootable */
if (found_key(tok, "bootable"))
parts[i].bootable = 1;
parts[i].bootable = PART_BOOTABLE;
}
*parts_count = p_count;