diff options
Diffstat (limited to 'disk')
| -rw-r--r-- | disk/part_dos.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/disk/part_dos.c b/disk/part_dos.c index 82266012ef..8e6aae5736 100644 --- a/disk/part_dos.c +++ b/disk/part_dos.c @@ -297,6 +297,26 @@ int part_get_info_dos(struct blk_desc *dev_desc, int part, return part_get_info_extended(dev_desc, 0, 0, 1, part, info, 0); } +int is_valid_dos_buf(void *buf) +{ + return test_block_type(buf) == DOS_MBR ? 0 : -1; +} + +int write_mbr_partition(struct blk_desc *dev_desc, void *buf) +{ + if (is_valid_dos_buf(buf)) + return -1; + + /* write MBR */ + if (blk_dwrite(dev_desc, 0, 1, buf) != 1) { + printf("%s: failed writing '%s' (1 blks at 0x0)\n", + __func__, "MBR"); + return 1; + } + + return 0; +} + U_BOOT_PART_TYPE(dos) = { .name = "DOS", .part_type = PART_TYPE_DOS, |