From: Rob Herring rob.herring@calxeda.com
Determine which partitions are bootable/active. In the partition listing, print "Boot" for partitions with the bootable/active flag set.
Signed-off-by: Rob Herring rob.herring@calxeda.com --- disk/part_dos.c | 11 +++++++++-- include/part.h | 1 + 2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/disk/part_dos.c b/disk/part_dos.c index b5bcb37..1620c1d 100644 --- a/disk/part_dos.c +++ b/disk/part_dos.c @@ -61,14 +61,20 @@ static inline int is_extended(int part_type) part_type == 0x85); }
+static inline int is_bootable(dos_partition_t *p) +{ + return p->boot_ind == 0x80; +} + static void print_one_part (dos_partition_t *p, int ext_part_sector, int part_num) { int lba_start = ext_part_sector + le32_to_int (p->start4); int lba_size = le32_to_int (p->size4);
- printf ("%5d\t\t%10d\t%10d\t%2x%s\n", + printf("%5d\t\t%10d\t%10d\t%2x%s%s\n", part_num, lba_start, lba_size, p->sys_ind, - (is_extended (p->sys_ind) ? " Extd" : "")); + (is_extended(p->sys_ind) ? " Extd" : ""), + (is_bootable(p) ? " Boot" : "")); }
static int test_block_type(unsigned char *buffer) @@ -223,6 +229,7 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part } /* sprintf(info->type, "%d, pt->sys_ind); */ sprintf ((char *)info->type, "U-Boot"); + info->bootable = is_bootable(pt); return 0; }
diff --git a/include/part.h b/include/part.h index 1827767..79a3493 100644 --- a/include/part.h +++ b/include/part.h @@ -93,6 +93,7 @@ typedef struct disk_partition { ulong blksz; /* block size in bytes */ uchar name[32]; /* partition name */ uchar type[32]; /* string type description */ + int bootable; /* Active/Bootable flag is set */ } disk_partition_t;
/* Misc _get_dev functions */