diff options
Diffstat (limited to 'disk/part_dos.c')
| -rw-r--r-- | disk/part_dos.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/disk/part_dos.c b/disk/part_dos.c index 05c3933..cf1a36e 100644 --- a/disk/part_dos.c +++ b/disk/part_dos.c @@ -21,6 +21,8 @@ #ifdef HAVE_BLOCK_DEVICE +#define DOS_PART_DEFAULT_SECTOR 512 + /* Convert char[4] in little endian format to the host format integer */ static inline int le32_to_int(unsigned char *le32) @@ -168,6 +170,7 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz); dos_partition_t *pt; int i; + int dos_type; if (dev_desc->block_read (dev_desc->dev, ext_part_sector, 1, (ulong *) buffer) != 1) { printf ("** Can't read partition table on %d:%d **\n", @@ -198,9 +201,10 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part (pt->sys_ind != 0) && (part_num == which_part) && (is_extended(pt->sys_ind) == 0)) { - info->blksz = 512; - info->start = ext_part_sector + le32_to_int (pt->start4); - info->size = le32_to_int (pt->size4); + info->blksz = DOS_PART_DEFAULT_SECTOR; + info->start = (lbaint_t)(ext_part_sector + + le32_to_int(pt->start4)); + info->size = (lbaint_t)le32_to_int(pt->size4); switch(dev_desc->if_type) { case IF_TYPE_IDE: case IF_TYPE_SATA: @@ -252,6 +256,22 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part part_num, which_part, info, disksig); } } + + /* Check for DOS PBR if no partition is found */ + dos_type = test_block_type(buffer); + + if (dos_type == DOS_PBR) { + info->start = 0; + info->size = dev_desc->lba; + info->blksz = DOS_PART_DEFAULT_SECTOR; + info->bootable = 0; + sprintf ((char *)info->type, "U-Boot"); +#ifdef CONFIG_PARTITION_UUIDS + info->uuid[0] = 0; +#endif + return 0; + } + return -1; } |