disk/part: check bootable flag for DOS partitions

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>

diff --git a/disk/part_dos.c b/disk/part_dos.c
index a43dd9c02291d0ddefb5d1db3741ac5378871823..24ac00ccc32802cca5edd05b26bf391250fbdbdf 100644 (file)
--- a/disk/part_dos.c
+++ b/disk/part_dos.c
@@ -60,14 +60,20 @@ 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)
@@ -222,6 +228,7 @@ 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 e1478f4ebf4d083b4cb676b6a34d45de038545a3..447f69dfc4fa5e637b2237f3d5b1cdaa24bf6045 100644 (file)
--- 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 */