[U-Boot] [PATCH 6/9] disk: part_efi: set bootable flag in partition objects
Stephen Warren
swarren at wwwdotorg.org
Fri Oct 5 21:29:51 CEST 2012
From: Stephen Warren <swarren at nvidia.com>
A partition is considered bootable if it either has the "legacy BIOS
bootable" flag set, or if the partition type UUID matches the standard
"system" type.
Signed-off-by: Stephen Warren <swarren at nvidia.com>
---
disk/part_efi.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/disk/part_efi.c b/disk/part_efi.c
index d563509..7a39d52 100644
--- a/disk/part_efi.c
+++ b/disk/part_efi.c
@@ -133,6 +133,15 @@ static void uuid_string(unsigned char *uuid, char *str)
}
}
+static efi_guid_t system_guid = PARTITION_SYSTEM_GUID;
+
+static inline int is_bootable(gpt_entry *p)
+{
+ return p->attributes.fields.legacy_bios_bootable ||
+ !memcmp(&(p->partition_type_guid), &system_guid,
+ sizeof(efi_guid_t));
+}
+
/*
* Public Functions (include/part.h)
*/
@@ -219,6 +228,7 @@ int get_partition_info_efi(block_dev_desc_t * dev_desc, int part,
sprintf((char *)info->name, "%s",
print_efiname(&gpt_pte[part - 1]));
sprintf((char *)info->type, "U-Boot");
+ info->bootable = is_bootable(&gpt_pte[part - 1]);
#ifdef CONFIG_PARTITION_UUIDS
uuid_string(gpt_pte[part - 1].unique_partition_guid.b, info->uuid);
#endif
--
1.7.0.4
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