diff options
Diffstat (limited to 'disk/part_dos.c')
| -rw-r--r-- | disk/part_dos.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/disk/part_dos.c b/disk/part_dos.c index 7ede15ec26..1a36be0446 100644 --- a/disk/part_dos.c +++ b/disk/part_dos.c @@ -44,7 +44,7 @@ static inline int is_extended(int part_type) static inline int is_bootable(dos_partition_t *p) { - return p->boot_ind == 0x80; + return (p->sys_ind == 0xef) || (p->boot_ind == 0x80); } static void print_one_part(dos_partition_t *p, lbaint_t ext_part_sector, @@ -89,14 +89,20 @@ static int test_block_type(unsigned char *buffer) static int part_test_dos(struct blk_desc *dev_desc) { - ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz); + ALLOC_CACHE_ALIGN_BUFFER(legacy_mbr, mbr, dev_desc->blksz); - if (blk_dread(dev_desc, 0, 1, (ulong *)buffer) != 1) + if (blk_dread(dev_desc, 0, 1, (ulong *)mbr) != 1) return -1; - if (test_block_type(buffer) != DOS_MBR) + if (test_block_type((unsigned char *)mbr) != DOS_MBR) return -1; + if (dev_desc->sig_type == SIG_TYPE_NONE && + mbr->unique_mbr_signature != 0) { + dev_desc->sig_type = SIG_TYPE_MBR; + dev_desc->mbr_sig = mbr->unique_mbr_signature; + } + return 0; } |