* 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 <common.h>
#include <command.h>
#include <ide.h>
+#include <memalign.h>
#include "part_dos.h"
-#if defined(CONFIG_CMD_IDE) || \
- defined(CONFIG_CMD_SATA) || \
- defined(CONFIG_CMD_SCSI) || \
- defined(CONFIG_CMD_USB) || \
- defined(CONFIG_MMC) || \
- defined(CONFIG_SYSTEMACE)
+#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) +
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" : ""));
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 ||
- strncmp((char *)&buffer[DOS_PBR32_FSTYPE_OFFSET],"FAT32",5)==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)
+static int part_test_dos(struct blk_desc *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 (blk_dread(dev_desc, 0, 1, (ulong *)buffer) != 1)
return -1;
if (test_block_type(buffer) != DOS_MBR)
/* 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,
+static void print_partition_extended(struct blk_desc *dev_desc,
+ 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",
- dev_desc->dev, ext_part_sector);
+ if (blk_dread(dev_desc, ext_part_sector, 1, (ulong *)buffer) != 1) {
+ printf ("** Can't read partition table on %d:" LBAFU " **\n",
+ dev_desc->devnum, ext_part_sector);
return;
}
i=test_block_type(buffer);
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,
/* 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,
- int which_part, disk_partition_t *info,
- unsigned int disksig)
+static int part_get_info_extended(struct blk_desc *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",
- dev_desc->dev, ext_part_sector);
+ if (blk_dread(dev_desc, ext_part_sector, 1, (ulong *)buffer) != 1) {
+ printf ("** Can't read partition table on %d:" LBAFU " **\n",
+ dev_desc->devnum, ext_part_sector);
return -1;
}
if (buffer[DOS_PART_MAGIC_OFFSET] != 0x55 ||
(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:
case IF_TYPE_ATAPI:
- sprintf ((char *)info->name, "hd%c%d",
- 'a' + dev_desc->dev, part_num);
+ sprintf((char *)info->name, "hd%c%d",
+ 'a' + dev_desc->devnum,
+ part_num);
break;
case IF_TYPE_SCSI:
- sprintf ((char *)info->name, "sd%c%d",
- 'a' + dev_desc->dev, part_num);
+ sprintf((char *)info->name, "sd%c%d",
+ 'a' + dev_desc->devnum,
+ part_num);
break;
case IF_TYPE_USB:
- sprintf ((char *)info->name, "usbd%c%d",
- 'a' + dev_desc->dev, part_num);
+ sprintf((char *)info->name, "usbd%c%d",
+ 'a' + dev_desc->devnum,
+ part_num);
break;
case IF_TYPE_DOC:
- sprintf ((char *)info->name, "docd%c%d",
- 'a' + dev_desc->dev, part_num);
+ sprintf((char *)info->name, "docd%c%d",
+ 'a' + dev_desc->devnum,
+ part_num);
break;
default:
- sprintf ((char *)info->name, "xx%c%d",
- 'a' + dev_desc->dev, part_num);
+ sprintf((char *)info->name, "xx%c%d",
+ 'a' + dev_desc->devnum,
+ part_num);
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);
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,
+ return part_get_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;
}
-void print_part_dos (block_dev_desc_t *dev_desc)
+void part_print_dos(struct blk_desc *dev_desc)
{
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)
+int part_get_info_dos(struct blk_desc *dev_desc, int part,
+ disk_partition_t *info)
{
- return get_partition_info_extended(dev_desc, 0, 0, 1, part, info, 0);
+ return part_get_info_extended(dev_desc, 0, 0, 1, part, info, 0);
}
+U_BOOT_PART_TYPE(dos) = {
+ .name = "DOS",
+ .part_type = PART_TYPE_DOS,
+ .get_info = part_get_info_ptr(part_get_info_dos),
+ .print = part_print_ptr(part_print_dos),
+ .test = part_test_dos,
+};
#endif
projects / people / ms / u-boot.git / blobdiff