]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - disk/part_dos.c
arm: mx5: clock: fix PLL_FREQ_MIN() calculation
[karo-tx-uboot.git] / disk / part_dos.c
index b13f4265997d6929e8abc46574db42870adf57d5..05c3933c322ea4e9ae15e6a08d8b4922f84d5a94 100644 (file)
@@ -3,23 +3,7 @@
  * Raymond Lo, lo@routefree.com
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 /*
 #include <ide.h>
 #include "part_dos.h"
 
-#if ((CONFIG_COMMANDS & CFG_CMD_IDE)    || defined(CONFIG_CMD_IDE) || \
-     (CONFIG_COMMANDS & CFG_CMD_SCSI)   || defined(CONFIG_CMD_SCSI) || \
-     (CONFIG_COMMANDS & CFG_CMD_USB)    || defined(CONFIG_CMD_USB) || \
-     defined(CONFIG_MMC) || \
-     defined(CONFIG_SYSTEMACE) ) && defined(CONFIG_DOS_PARTITION)
+#ifdef HAVE_BLOCK_DEVICE
 
 /* Convert char[4] in little endian format to the host format integer
  */
@@ -59,46 +39,70 @@ static inline int is_extended(int part_type)
            part_type == 0x85);
 }
 
-static void print_one_part (dos_partition_t *p, int ext_part_sector, int part_num)
+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, unsigned int disksig)
 {
        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",
-               part_num, lba_start, lba_size, p->sys_ind,
-               (is_extended (p->sys_ind) ? " Extd" : ""));
+       printf("%3d\t%-10d\t%-10d\t%08x-%02x\t%02x%s%s\n",
+               part_num, lba_start, lba_size, disksig, part_num, p->sys_ind,
+               (is_extended(p->sys_ind) ? " Extd" : ""),
+               (is_bootable(p) ? " Boot" : ""));
 }
 
 static int test_block_type(unsigned char *buffer)
 {
+       int slot;
+       struct dos_partition *p;
+
        if((buffer[DOS_PART_MAGIC_OFFSET + 0] != 0x55) ||
            (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)
-               return DOS_PBR; /* is PBR */
+       p = (struct dos_partition *)&buffer[DOS_PART_TBL_OFFSET];
+       for (slot = 0; slot < 3; slot++) {
+               if (p->boot_ind != 0 && p->boot_ind != 0x80) {
+                       if (!slot &&
+                           (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 */
+                       } else {
+                               return -1;
+                       }
+               }
+       }
        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) ||
-           (buffer[DOS_PART_MAGIC_OFFSET + 1] != 0xaa) ) {
-               return (-1);
-       }
-       return (0);
+       if (dev_desc->block_read(dev_desc->dev, 0, 1, (ulong *) buffer) != 1)
+               return -1;
+
+       if (test_block_type(buffer) != DOS_MBR)
+               return -1;
+
+       return 0;
 }
 
 /*  Print a partition that is relative to its Extended partition table
  */
-static void print_partition_extended (block_dev_desc_t *dev_desc, int ext_part_sector, int relative,
-                                                          int part_num)
+static void print_partition_extended(block_dev_desc_t *dev_desc,
+                                    int ext_part_sector, int relative,
+                                    int part_num, 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;
 
@@ -108,17 +112,16 @@ static void print_partition_extended (block_dev_desc_t *dev_desc, int ext_part_s
                return;
        }
        i=test_block_type(buffer);
-       if(i==-1) {
+       if (i != DOS_MBR) {
                printf ("bad MBR sector signature 0x%02x%02x\n",
                        buffer[DOS_PART_MAGIC_OFFSET],
                        buffer[DOS_PART_MAGIC_OFFSET + 1]);
                return;
        }
-       if(i==DOS_PBR) {
-               printf ("    1\t\t         0\t%10ld\t%2x\n",
-                       dev_desc->lba, buffer[DOS_PBR_MEDIA_TYPE_OFFSET]);
-               return;
-       }
+
+       if (!ext_part_sector)
+               disksig = le32_to_int(&buffer[DOS_PART_DISKSIG_OFFSET]);
+
        /* Print all primary/logical partitions */
        pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);
        for (i = 0; i < 4; i++, pt++) {
@@ -129,7 +132,7 @@ static void print_partition_extended (block_dev_desc_t *dev_desc, int ext_part_s
 
                if ((pt->sys_ind != 0) &&
                    (ext_part_sector == 0 || !is_extended (pt->sys_ind)) ) {
-                       print_one_part (pt, ext_part_sector, part_num);
+                       print_one_part(pt, ext_part_sector, part_num, disksig);
                }
 
                /* Reverse engr the fdisk part# assignment rule! */
@@ -145,10 +148,9 @@ static void print_partition_extended (block_dev_desc_t *dev_desc, int ext_part_s
                if (is_extended (pt->sys_ind)) {
                        int lba_start = le32_to_int (pt->start4) + relative;
 
-                       print_partition_extended (dev_desc, lba_start,
-                                                 ext_part_sector == 0  ? lba_start
-                                                                       : relative,
-                                                 part_num);
+                       print_partition_extended(dev_desc, lba_start,
+                               ext_part_sector == 0  ? lba_start : relative,
+                               part_num, disksig);
                }
        }
 
@@ -160,9 +162,10 @@ 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;
 
@@ -179,6 +182,11 @@ 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++) {
@@ -186,7 +194,8 @@ 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;
@@ -194,24 +203,34 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part
                        info->size  = le32_to_int (pt->size4);
                        switch(dev_desc->if_type) {
                                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;
                }
 
@@ -230,7 +249,7 @@ 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;
@@ -238,14 +257,14 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part
 
 void print_part_dos (block_dev_desc_t *dev_desc)
 {
-       printf ("Partition     Start Sector     Num Sectors     Type\n");
-       print_partition_extended (dev_desc, 0, 0, 1);
+       printf("Part\tStart Sector\tNum Sectors\tUUID\t\tType\n");
+       print_partition_extended(dev_desc, 0, 0, 1, 0);
 }
 
 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);
 }
 
 
-#endif /* (CONFIG_COMMANDS & CFG_CMD_IDE) && CONFIG_DOS_PARTITION */
+#endif