[U-Boot] [PATCH 9/9] disk: part_dos: print partition UUID in partition list
Stephen Warren
swarren at wwwdotorg.org
Fri Oct 5 21:29:54 CEST 2012
From: Stephen Warren <swarren at nvidia.com>
This information may be useful to compare against command "part uuid",
or if you want to manually paste the information into the kernel
command-line.
Signed-off-by: Stephen Warren <swarren at nvidia.com>
---
disk/part_dos.c | 20 ++++++++++++--------
1 files changed, 12 insertions(+), 8 deletions(-)
diff --git a/disk/part_dos.c b/disk/part_dos.c
index aed0c77..3069f91 100644
--- a/disk/part_dos.c
+++ b/disk/part_dos.c
@@ -66,13 +66,13 @@ static inline int is_bootable(dos_partition_t *p)
}
static void print_one_part(dos_partition_t *p, int ext_part_sector,
- int part_num)
+ int part_num, unsigned int disksig)
{
int lba_start = ext_part_sector + le32_to_int (p->start4);
int lba_size = le32_to_int (p->size4);
- printf("%3d\t%-10d\t%-10d\t%02x%s%s\n",
- part_num, lba_start, lba_size, p->sys_ind,
+ printf("%3d\t%-10d\t%-10d\t%08x-%02x\t%02x%s%s\n",
+ part_num, lba_start, lba_size, disksig, part_num, p->sys_ind,
(is_extended(p->sys_ind) ? " Extd" : ""),
(is_bootable(p) ? " Boot" : ""));
}
@@ -107,7 +107,7 @@ int test_part_dos (block_dev_desc_t *dev_desc)
*/
static void print_partition_extended(block_dev_desc_t *dev_desc,
int ext_part_sector, int relative,
- int part_num)
+ int part_num, unsigned int disksig)
{
ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz);
dos_partition_t *pt;
@@ -125,6 +125,10 @@ static void print_partition_extended(block_dev_desc_t *dev_desc,
buffer[DOS_PART_MAGIC_OFFSET + 1]);
return;
}
+
+ if (!ext_part_sector)
+ disksig = le32_to_int(&buffer[DOS_PART_DISKSIG_OFFSET]);
+
if(i==DOS_PBR) {
printf (" 1\t\t 0\t%10ld\t%2x\n",
dev_desc->lba, buffer[DOS_PBR_MEDIA_TYPE_OFFSET]);
@@ -140,7 +144,7 @@ static void print_partition_extended(block_dev_desc_t *dev_desc,
if ((pt->sys_ind != 0) &&
(ext_part_sector == 0 || !is_extended (pt->sys_ind)) ) {
- print_one_part(pt, ext_part_sector, part_num);
+ print_one_part(pt, ext_part_sector, part_num, disksig);
}
/* Reverse engr the fdisk part# assignment rule! */
@@ -158,7 +162,7 @@ static void print_partition_extended(block_dev_desc_t *dev_desc,
print_partition_extended(dev_desc, lba_start,
ext_part_sector == 0 ? lba_start : relative,
- part_num);
+ part_num, disksig);
}
}
@@ -265,8 +269,8 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part
void print_part_dos (block_dev_desc_t *dev_desc)
{
- printf("Part\tStart Sector\tNum Sectors\tType\n");
- print_partition_extended(dev_desc, 0, 0, 1);
+ printf("Part\tStart Sector\tNum Sectors\tUUID\t\tType\n");
+ print_partition_extended(dev_desc, 0, 0, 1, 0);
}
int get_partition_info_dos (block_dev_desc_t *dev_desc, int part, disk_partition_t * info)
--
1.7.0.4
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