Merge branch 'master' of git://git.denx.de/u-boot-video

[karo-tx-uboot.git] / disk / part_dos.c

diff --git a/disk/part_dos.c b/disk/part_dos.c
index 4ab0b40601ea35bc5310a70e1160122b83f18e0c..c9a3e2bf02eb8e4e2a76fdd2a93e84f86caccc21 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)
@@ -76,15 +82,17 @@ static int test_block_type(unsigned char *buffer)
            (buffer[DOS_PART_MAGIC_OFFSET + 1] != 0xaa) ) {
                return (-1);
        } /* no DOS Signature at all */
-       if(strncmp((char *)&buffer[DOS_PBR_FSTYPE_OFFSET],"FAT",3)==0)
+       if (strncmp((char *)&buffer[DOS_PBR_FSTYPE_OFFSET],"FAT",3)==0 ||
+           strncmp((char *)&buffer[DOS_PBR32_FSTYPE_OFFSET],"FAT32",5)==0) {
                return DOS_PBR; /* is PBR */
+       }
        return DOS_MBR;     /* Is MBR */
 }
 
 
 int test_part_dos (block_dev_desc_t *dev_desc)
 {
-       unsigned char buffer[DEFAULT_SECTOR_SIZE];
+       ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz);
 
        if ((dev_desc->block_read(dev_desc->dev, 0, 1, (ulong *) buffer) != 1) ||
            (buffer[DOS_PART_MAGIC_OFFSET + 0] != 0x55) ||
@@ -99,7 +107,7 @@ int test_part_dos (block_dev_desc_t *dev_desc)
 static void print_partition_extended (block_dev_desc_t *dev_desc, int ext_part_sector, int relative,
                                                           int part_num)
 {
-       unsigned char buffer[DEFAULT_SECTOR_SIZE];
+       ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz);
        dos_partition_t *pt;
        int i;
 
@@ -161,9 +169,10 @@ static void print_partition_extended (block_dev_desc_t *dev_desc, int ext_part_s
  */
 static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part_sector,
                                 int relative, int part_num,
-                                int which_part, disk_partition_t *info)
+                                int which_part, disk_partition_t *info,
+                                unsigned int disksig)
 {
-       unsigned char buffer[DEFAULT_SECTOR_SIZE];
+       ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz);
        dos_partition_t *pt;
        int i;
 
@@ -180,6 +189,11 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part
                return -1;
        }
 
+#ifdef CONFIG_PARTITION_UUIDS
+       if (!ext_part_sector)
+               disksig = le32_to_int(&buffer[DOS_PART_DISKSIG_OFFSET]);
+#endif
+
        /* Print all primary/logical partitions */
        pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);
        for (i = 0; i < 4; i++, pt++) {
@@ -187,7 +201,8 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part
                 * fdisk does not show the extended partitions that
                 * are not in the MBR
                 */
-               if ((pt->sys_ind != 0) &&
+               if (((pt->boot_ind & ~0x80) == 0) &&
+                   (pt->sys_ind != 0) &&
                    (part_num == which_part) &&
                    (is_extended(pt->sys_ind) == 0)) {
                        info->blksz = 512;
@@ -197,23 +212,32 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part
                                case IF_TYPE_IDE:
                                case IF_TYPE_SATA:
                                case IF_TYPE_ATAPI:
-                                       sprintf ((char *)info->name, "hd%c%d\n", 'a' + dev_desc->dev, part_num);
+                                       sprintf ((char *)info->name, "hd%c%d",
+                                               'a' + dev_desc->dev, part_num);
                                        break;
                                case IF_TYPE_SCSI:
-                                       sprintf ((char *)info->name, "sd%c%d\n", 'a' + dev_desc->dev, part_num);
+                                       sprintf ((char *)info->name, "sd%c%d",
+                                               'a' + dev_desc->dev, part_num);
                                        break;
                                case IF_TYPE_USB:
-                                       sprintf ((char *)info->name, "usbd%c%d\n", 'a' + dev_desc->dev, part_num);
+                                       sprintf ((char *)info->name, "usbd%c%d",
+                                               'a' + dev_desc->dev, part_num);
                                        break;
                                case IF_TYPE_DOC:
-                                       sprintf ((char *)info->name, "docd%c%d\n", 'a' + dev_desc->dev, part_num);
+                                       sprintf ((char *)info->name, "docd%c%d",
+                                               'a' + dev_desc->dev, part_num);
                                        break;
                                default:
-                                       sprintf ((char *)info->name, "xx%c%d\n", 'a' + dev_desc->dev, part_num);
+                                       sprintf ((char *)info->name, "xx%c%d",
+                                               'a' + dev_desc->dev, part_num);
                                        break;
                        }
                        /* sprintf(info->type, "%d, pt->sys_ind); */
                        sprintf ((char *)info->type, "U-Boot");
+                       info->bootable = is_bootable(pt);
+#ifdef CONFIG_PARTITION_UUIDS
+                       sprintf(info->uuid, "%08x-%02x", disksig, part_num);
+#endif
                        return 0;
                }
 
@@ -232,7 +256,7 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part
 
                        return get_partition_info_extended (dev_desc, lba_start,
                                 ext_part_sector == 0 ? lba_start : relative,
-                                part_num, which_part, info);
+                                part_num, which_part, info, disksig);
                }
        }
        return -1;
@@ -246,7 +270,7 @@ void print_part_dos (block_dev_desc_t *dev_desc)
 
 int get_partition_info_dos (block_dev_desc_t *dev_desc, int part, disk_partition_t * info)
 {
-       return get_partition_info_extended (dev_desc, 0, 0, 1, part, info);
+       return get_partition_info_extended(dev_desc, 0, 0, 1, part, info, 0);
 }