]> git.ipfire.org Git - people/ms/u-boot.git/blobdiff - disk/part_dos.c
Fix GCC format-security errors and convert sprintfs.
[people/ms/u-boot.git] / disk / part_dos.c
index 05c3933c322ea4e9ae15e6a08d8b4922f84d5a94..08872d6a03f4f43454f35a2bb0e8a75defc6159c 100644 (file)
 #include <common.h>
 #include <command.h>
 #include <ide.h>
+#include <memalign.h>
 #include "part_dos.h"
 
 #ifdef HAVE_BLOCK_DEVICE
 
+#define DOS_PART_DEFAULT_SECTOR 512
+
 /* Convert char[4] in little endian format to the host format integer
  */
-static inline int le32_to_int(unsigned char *le32)
+static inline unsigned int le32_to_int(unsigned char *le32)
 {
     return ((le32[3] << 24) +
            (le32[2] << 16) +
@@ -44,13 +47,14 @@ 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,
+static void print_one_part(dos_partition_t *p, lbaint_t 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);
+       lbaint_t lba_start = ext_part_sector + le32_to_int (p->start4);
+       lbaint_t lba_size  = le32_to_int (p->size4);
 
-       printf("%3d\t%-10d\t%-10d\t%08x-%02x\t%02x%s%s\n",
+       printf("%3d\t%-10" LBAFlength "u\t%-10" LBAFlength
+               "u\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" : ""));
@@ -87,7 +91,7 @@ int test_part_dos (block_dev_desc_t *dev_desc)
 {
        ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz);
 
-       if (dev_desc->block_read(dev_desc->dev, 0, 1, (ulong *) buffer) != 1)
+       if (dev_desc->block_read(dev_desc, 0, 1, (ulong *)buffer) != 1)
                return -1;
 
        if (test_block_type(buffer) != DOS_MBR)
@@ -99,15 +103,17 @@ int test_part_dos (block_dev_desc_t *dev_desc)
 /*  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,
+                                    lbaint_t ext_part_sector,
+                                    lbaint_t relative,
                                     int part_num, unsigned int disksig)
 {
        ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz);
        dos_partition_t *pt;
        int i;
 
-       if (dev_desc->block_read(dev_desc->dev, ext_part_sector, 1, (ulong *) buffer) != 1) {
-               printf ("** Can't read partition table on %d:%d **\n",
+       if (dev_desc->block_read(dev_desc, ext_part_sector, 1,
+                                (ulong *)buffer) != 1) {
+               printf ("** Can't read partition table on %d:" LBAFU " **\n",
                        dev_desc->dev, ext_part_sector);
                return;
        }
@@ -146,7 +152,8 @@ static void print_partition_extended(block_dev_desc_t *dev_desc,
        pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);
        for (i = 0; i < 4; i++, pt++) {
                if (is_extended (pt->sys_ind)) {
-                       int lba_start = le32_to_int (pt->start4) + relative;
+                       lbaint_t lba_start
+                               = le32_to_int (pt->start4) + relative;
 
                        print_partition_extended(dev_desc, lba_start,
                                ext_part_sector == 0  ? lba_start : relative,
@@ -160,17 +167,20 @@ static void print_partition_extended(block_dev_desc_t *dev_desc,
 
 /*  Print a partition that is relative to its Extended partition table
  */
-static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part_sector,
-                                int relative, int part_num,
+static int get_partition_info_extended (block_dev_desc_t *dev_desc,
+                                lbaint_t ext_part_sector,
+                                lbaint_t relative, int part_num,
                                 int which_part, disk_partition_t *info,
                                 unsigned int disksig)
 {
        ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz);
        dos_partition_t *pt;
        int i;
+       int dos_type;
 
-       if (dev_desc->block_read (dev_desc->dev, ext_part_sector, 1, (ulong *) buffer) != 1) {
-               printf ("** Can't read partition table on %d:%d **\n",
+       if (dev_desc->block_read(dev_desc, ext_part_sector, 1,
+                                (ulong *)buffer) != 1) {
+               printf ("** Can't read partition table on %d:" LBAFU " **\n",
                        dev_desc->dev, ext_part_sector);
                return -1;
        }
@@ -198,9 +208,10 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part
                    (pt->sys_ind != 0) &&
                    (part_num == which_part) &&
                    (is_extended(pt->sys_ind) == 0)) {
-                       info->blksz = 512;
-                       info->start = ext_part_sector + le32_to_int (pt->start4);
-                       info->size  = le32_to_int (pt->size4);
+                       info->blksz = DOS_PART_DEFAULT_SECTOR;
+                       info->start = (lbaint_t)(ext_part_sector +
+                                       le32_to_int(pt->start4));
+                       info->size  = (lbaint_t)le32_to_int(pt->size4);
                        switch(dev_desc->if_type) {
                                case IF_TYPE_IDE:
                                case IF_TYPE_SATA:
@@ -226,7 +237,7 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part
                                        break;
                        }
                        /* sprintf(info->type, "%d, pt->sys_ind); */
-                       sprintf ((char *)info->type, "U-Boot");
+                       strcpy((char *)info->type, "U-Boot");
                        info->bootable = is_bootable(pt);
 #ifdef CONFIG_PARTITION_UUIDS
                        sprintf(info->uuid, "%08x-%02x", disksig, part_num);
@@ -245,13 +256,30 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part
        pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);
        for (i = 0; i < 4; i++, pt++) {
                if (is_extended (pt->sys_ind)) {
-                       int lba_start = le32_to_int (pt->start4) + relative;
+                       lbaint_t lba_start
+                               = le32_to_int (pt->start4) + relative;
 
                        return get_partition_info_extended (dev_desc, lba_start,
                                 ext_part_sector == 0 ? lba_start : relative,
                                 part_num, which_part, info, disksig);
                }
        }
+
+       /* Check for DOS PBR if no partition is found */
+       dos_type = test_block_type(buffer);
+
+       if (dos_type == DOS_PBR) {
+               info->start = 0;
+               info->size = dev_desc->lba;
+               info->blksz = DOS_PART_DEFAULT_SECTOR;
+               info->bootable = 0;
+               strcpy((char *)info->type, "U-Boot");
+#ifdef CONFIG_PARTITION_UUIDS
+               info->uuid[0] = 0;
+#endif
+               return 0;
+       }
+
        return -1;
 }