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>

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>
Rob Herring · Tom Rini
1 parent 7405a13310
Showing 2 changed files with 10 additions and 2 deletions Side-by-side Diff
disk/part_dos.c
include/part.h
@@ -60,14 +60,20 @@
 	    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 @@
 			}
 			/* sprintf(info->type, "%d, pt->sys_ind); */
 			sprintf ((char *)info->type, "U-Boot");
+			info->bootable = is_bootable(pt);
 			return 0;
 		}
  
@@ -93,6 +93,7 @@
 	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 */
...	...	@@ -60,14 +60,20 @@
60	60	part_type == 0x85);
61	61	}
62	62
	63	+static inline int is_bootable(dos_partition_t *p)
	64	+{
	65	+ return p->boot_ind == 0x80;
	66	+}
	67	+
63	68	static void print_one_part (dos_partition_t *p, int ext_part_sector, int part_num)
64	69	{
65	70	int lba_start = ext_part_sector + le32_to_int (p->start4);
66	71	int lba_size = le32_to_int (p->size4);
67	72
68		- printf ("%5d\t\t%10d\t%10d\t%2x%s\n",
	73	+ printf("%5d\t\t%10d\t%10d\t%2x%s%s\n",
69	74	part_num, lba_start, lba_size, p->sys_ind,
70		- (is_extended (p->sys_ind) ? " Extd" : ""));
	75	+ (is_extended(p->sys_ind) ? " Extd" : ""),
	76	+ (is_bootable(p) ? " Boot" : ""));
71	77	}
72	78
73	79	static int test_block_type(unsigned char *buffer)
...	...	@@ -222,6 +228,7 @@
222	228	}
223	229	/* sprintf(info->type, "%d, pt->sys_ind); */
224	230	sprintf ((char *)info->type, "U-Boot");
	231	+ info->bootable = is_bootable(pt);
225	232	return 0;
226	233	}
227	234
...	...	@@ -93,6 +93,7 @@
93	93	ulong blksz; /* block size in bytes */
94	94	uchar name[32]; /* partition name */
95	95	uchar type[32]; /* string type description */
	96	+ int bootable; /* Active/Bootable flag is set */
96	97	} disk_partition_t;
97	98
98	99	/* Misc _get_dev functions */