[people/ms/u-boot.git] / disk / part_dos.c

/*
 * (C) Copyright 2001
 * Raymond Lo, lo@routefree.com
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

/*
 * Support for harddisk partitions.
 *
 * To be compatible with LinuxPPC and Apple we use the standard Apple
 * SCSI disk partitioning scheme. For more information see:
 * http://developer.apple.com/techpubs/mac/Devices/Devices-126.html#MARKER-14-92
 */

#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 unsigned int le32_to_int(unsigned char *le32)
{
    return ((le32[3] << 24) +
	    (le32[2] << 16) +
	    (le32[1] << 8) +
	     le32[0]
	   );
}

static inline int is_extended(int part_type)
{
    return (part_type == 0x5 ||
	    part_type == 0xf ||
	    part_type == 0x85);
}

static inline int is_bootable(dos_partition_t *p)
{
	return (p->sys_ind == 0xef) || (p->boot_ind == 0x80);
}

static void print_one_part(dos_partition_t *p, lbaint_t ext_part_sector,
			   int part_num, unsigned int disksig)
{
	lbaint_t lba_start = ext_part_sector + le32_to_int (p->start4);
	lbaint_t lba_size  = le32_to_int (p->size4);

	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 */
	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 */
}


static int part_test_dos(struct blk_desc *dev_desc)
{
	ALLOC_CACHE_ALIGN_BUFFER(legacy_mbr, mbr, dev_desc->blksz);

	if (blk_dread(dev_desc, 0, 1, (ulong *)mbr) != 1)
		return -1;

	if (test_block_type((unsigned char *)mbr) != DOS_MBR)
		return -1;

	if (dev_desc->sig_type == SIG_TYPE_NONE &&
	    mbr->unique_mbr_signature != 0) {
		dev_desc->sig_type = SIG_TYPE_MBR;
		dev_desc->mbr_sig = mbr->unique_mbr_signature;
	}

	return 0;
}

/*  Print a partition that is relative to its Extended partition table
 */
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 (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);
	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 (!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++) {
		/*
		 * fdisk does not show the extended partitions that
		 * are not in the MBR
		 */

		if ((pt->sys_ind != 0) &&
		    (ext_part_sector == 0 || !is_extended (pt->sys_ind)) ) {
			print_one_part(pt, ext_part_sector, part_num, disksig);
		}

		/* Reverse engr the fdisk part# assignment rule! */
		if ((ext_part_sector == 0) ||
		    (pt->sys_ind != 0 && !is_extended (pt->sys_ind)) ) {
			part_num++;
		}
	}

	/* Follows the extended partitions */
	pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);
	for (i = 0; i < 4; i++, pt++) {
		if (is_extended (pt->sys_ind)) {
			lbaint_t lba_start
				= le32_to_int (pt->start4) + relative;

			print_partition_extended(dev_desc, lba_start,
				ext_part_sector == 0  ? lba_start : relative,
				part_num, disksig);
		}
	}

	return;
}


/*  Print a partition that is relative to its Extended partition table
 */
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 (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 ||
		buffer[DOS_PART_MAGIC_OFFSET + 1] != 0xaa) {
		printf ("bad MBR sector signature 0x%02x%02x\n",
			buffer[DOS_PART_MAGIC_OFFSET],
			buffer[DOS_PART_MAGIC_OFFSET + 1]);
		return -1;
	}

#if CONFIG_IS_ENABLED(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++) {
		/*
		 * fdisk does not show the extended partitions that
		 * are not in the MBR
		 */
		if (((pt->boot_ind & ~0x80) == 0) &&
		    (pt->sys_ind != 0) &&
		    (part_num == which_part) &&
		    (is_extended(pt->sys_ind) == 0)) {
			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);
			part_set_generic_name(dev_desc, part_num,
					      (char *)info->name);
			/* sprintf(info->type, "%d, pt->sys_ind); */
			strcpy((char *)info->type, "U-Boot");
			info->bootable = is_bootable(pt);
#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
			sprintf(info->uuid, "%08x-%02x", disksig, part_num);
#endif
			info->sys_ind = pt->sys_ind;
			return 0;
		}

		/* Reverse engr the fdisk part# assignment rule! */
		if ((ext_part_sector == 0) ||
		    (pt->sys_ind != 0 && !is_extended (pt->sys_ind)) ) {
			part_num++;
		}
	}

	/* Follows the extended partitions */
	pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);
	for (i = 0; i < 4; i++, pt++) {
		if (is_extended (pt->sys_ind)) {
			lbaint_t lba_start
				= le32_to_int (pt->start4) + relative;

			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");
#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
		info->uuid[0] = 0;
#endif
		return 0;
	}

	return -1;
}

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 part_get_info_dos(struct blk_desc *dev_desc, int part,
		      disk_partition_t *info)
{
	return part_get_info_extended(dev_desc, 0, 0, 1, part, info, 0);
}

int is_valid_dos_buf(void *buf)
{
	return test_block_type(buf) == DOS_MBR ? 0 : -1;
}

int write_mbr_partition(struct blk_desc *dev_desc, void *buf)
{
	if (is_valid_dos_buf(buf))
		return -1;

	/* write MBR */
	if (blk_dwrite(dev_desc, 0, 1, buf) != 1) {
		printf("%s: failed writing '%s' (1 blks at 0x0)\n",
		       __func__, "MBR");
		return 1;
	}

	return 0;
}

U_BOOT_PART_TYPE(dos) = {
	.name		= "DOS",
	.part_type	= PART_TYPE_DOS,
	.max_entries	= DOS_ENTRY_NUMBERS,
	.get_info	= part_get_info_ptr(part_get_info_dos),
	.print		= part_print_ptr(part_print_dos),
	.test		= part_test_dos,
};

#endif
Commit	Line	Data
fe8c2806 WD	1	/*
	2	* (C) Copyright 2001
	3	* Raymond Lo, lo@routefree.com
	4	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	5	*
1a459660	6	* SPDX-License-Identifier: GPL-2.0+
fe8c2806 WD	7	*/
	8
	9	/*
	10	* Support for harddisk partitions.
	11	*
	12	* To be compatible with LinuxPPC and Apple we use the standard Apple
	13	* SCSI disk partitioning scheme. For more information see:
	14	* http://developer.apple.com/techpubs/mac/Devices/Devices-126.html#MARKER-14-92
	15	*/
	16
	17	#include <common.h>
	18	#include <command.h>
	19	#include <ide.h>
cf92e05c	20	#include <memalign.h>
fe8c2806 WD	21	#include "part_dos.h"
fe8c2806 WD	22
2c1af9dc	23	#ifdef HAVE_BLOCK_DEVICE
fe8c2806	24
4a36be9b DD	25	#define DOS_PART_DEFAULT_SECTOR 512
4a36be9b DD	26
fe8c2806 WD	27	/* Convert char[4] in little endian format to the host format integer
fe8c2806 WD	28	*/
d29892ba	29	static inline unsigned int le32_to_int(unsigned char *le32)
fe8c2806 WD	30	{
	31	return ((le32[3] << 24) +
	32	(le32[2] << 16) +
	33	(le32[1] << 8) +
	34	le32[0]
	35	);
	36	}
	37
	38	static inline int is_extended(int part_type)
	39	{
	40	return (part_type == 0x5 \|\|
	41	part_type == 0xf \|\|
	42	part_type == 0x85);
	43	}
	44
40e0e568 RH	45	static inline int is_bootable(dos_partition_t *p)
40e0e568 RH	46	{
eefa0a64	47	return (p->sys_ind == 0xef) \|\| (p->boot_ind == 0x80);
40e0e568 RH	48	}
40e0e568 RH	49
d29892ba	50	static void print_one_part(dos_partition_t *p, lbaint_t ext_part_sector,
e2e9b378	51	int part_num, unsigned int disksig)
fe8c2806	52	{
d29892ba SM	53	lbaint_t lba_start = ext_part_sector + le32_to_int (p->start4);
d29892ba SM	54	lbaint_t lba_size = le32_to_int (p->size4);
fe8c2806	55
d29892ba SM	56	printf("%3d\t%-10" LBAFlength "u\t%-10" LBAFlength
d29892ba SM	57	"u\t%08x-%02x\t%02x%s%s\n",
e2e9b378	58	part_num, lba_start, lba_size, disksig, part_num, p->sys_ind,
40e0e568 RH	59	(is_extended(p->sys_ind) ? " Extd" : ""),
40e0e568 RH	60	(is_bootable(p) ? " Boot" : ""));
fe8c2806 WD	61	}
fe8c2806 WD	62
7205e407 WD	63	static int test_block_type(unsigned char *buffer)
7205e407 WD	64	{
9d956e0f EE	65	int slot;
	66	struct dos_partition *p;
	67
7205e407 WD	68	if((buffer[DOS_PART_MAGIC_OFFSET + 0] != 0x55) \|\|
	69	(buffer[DOS_PART_MAGIC_OFFSET + 1] != 0xaa) ) {
	70	return (-1);
	71	} /* no DOS Signature at all */
9d956e0f EE	72	p = (struct dos_partition *)&buffer[DOS_PART_TBL_OFFSET];
	73	for (slot = 0; slot < 3; slot++) {
	74	if (p->boot_ind != 0 && p->boot_ind != 0x80) {
	75	if (!slot &&
	76	(strncmp((char *)&buffer[DOS_PBR_FSTYPE_OFFSET],
	77	"FAT", 3) == 0 \|\|
	78	strncmp((char *)&buffer[DOS_PBR32_FSTYPE_OFFSET],
	79	"FAT32", 5) == 0)) {
	80	return DOS_PBR; /* is PBR */
	81	} else {
	82	return -1;
	83	}
	84	}
66c2d73c	85	}
7205e407 WD	86	return DOS_MBR; /* Is MBR */
	87	}
	88
fe8c2806	89
084bf4c2	90	static int part_test_dos(struct blk_desc *dev_desc)
fe8c2806	91	{
ff98cb90	92	ALLOC_CACHE_ALIGN_BUFFER(legacy_mbr, mbr, dev_desc->blksz);
fe8c2806	93
ff98cb90	94	if (blk_dread(dev_desc, 0, 1, (ulong *)mbr) != 1)
d1efb644 SW	95	return -1;
d1efb644 SW	96
ff98cb90	97	if (test_block_type((unsigned char *)mbr) != DOS_MBR)
d1efb644 SW	98	return -1;
d1efb644 SW	99
ff98cb90 PJ	100	if (dev_desc->sig_type == SIG_TYPE_NONE &&
	101	mbr->unique_mbr_signature != 0) {
	102	dev_desc->sig_type = SIG_TYPE_MBR;
	103	dev_desc->mbr_sig = mbr->unique_mbr_signature;
	104	}
	105
d1efb644	106	return 0;
fe8c2806 WD	107	}
	108
	109	/* Print a partition that is relative to its Extended partition table
	110	*/
4101f687	111	static void print_partition_extended(struct blk_desc *dev_desc,
d29892ba SM	112	lbaint_t ext_part_sector,
d29892ba SM	113	lbaint_t relative,
e2e9b378	114	int part_num, unsigned int disksig)
fe8c2806	115	{
dec049d9	116	ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz);
fe8c2806 WD	117	dos_partition_t *pt;
	118	int i;
	119
2a981dc2	120	if (blk_dread(dev_desc, ext_part_sector, 1, (ulong *)buffer) != 1) {
d29892ba	121	printf (" Can't read partition table on %d:" LBAFU " \n",
bcce53d0	122	dev_desc->devnum, ext_part_sector);
fe8c2806 WD	123	return;
fe8c2806 WD	124	}
7205e407	125	i=test_block_type(buffer);
d1efb644	126	if (i != DOS_MBR) {
fe8c2806 WD	127	printf ("bad MBR sector signature 0x%02x%02x\n",
	128	buffer[DOS_PART_MAGIC_OFFSET],
	129	buffer[DOS_PART_MAGIC_OFFSET + 1]);
	130	return;
	131	}
d1efb644	132
e2e9b378 SW	133	if (!ext_part_sector)
	134	disksig = le32_to_int(&buffer[DOS_PART_DISKSIG_OFFSET]);
	135
fe8c2806 WD	136	/* Print all primary/logical partitions */
	137	pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);
	138	for (i = 0; i < 4; i++, pt++) {
	139	/*
8bde7f77	140	* fdisk does not show the extended partitions that
fe8c2806 WD	141	* are not in the MBR
	142	*/
	143
	144	if ((pt->sys_ind != 0) &&
	145	(ext_part_sector == 0 \|\| !is_extended (pt->sys_ind)) ) {
e2e9b378	146	print_one_part(pt, ext_part_sector, part_num, disksig);
fe8c2806 WD	147	}
	148
	149	/* Reverse engr the fdisk part# assignment rule! */
	150	if ((ext_part_sector == 0) \|\|
	151	(pt->sys_ind != 0 && !is_extended (pt->sys_ind)) ) {
	152	part_num++;
	153	}
	154	}
	155
	156	/* Follows the extended partitions */
	157	pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);
	158	for (i = 0; i < 4; i++, pt++) {
	159	if (is_extended (pt->sys_ind)) {
d29892ba SM	160	lbaint_t lba_start
d29892ba SM	161	= le32_to_int (pt->start4) + relative;
fe8c2806	162
304b5711 SW	163	print_partition_extended(dev_desc, lba_start,
304b5711 SW	164	ext_part_sector == 0 ? lba_start : relative,
e2e9b378	165	part_num, disksig);
fe8c2806 WD	166	}
	167	}
	168
	169	return;
	170	}
	171
	172
	173	/* Print a partition that is relative to its Extended partition table
	174	*/
3e8bd469 SG	175	static int part_get_info_extended(struct blk_desc *dev_desc,
	176	lbaint_t ext_part_sector, lbaint_t relative,
	177	int part_num, int which_part,
	178	disk_partition_t *info, unsigned int disksig)
fe8c2806	179	{
dec049d9	180	ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz);
fe8c2806 WD	181	dos_partition_t *pt;
fe8c2806 WD	182	int i;
4a36be9b	183	int dos_type;
fe8c2806	184
2a981dc2	185	if (blk_dread(dev_desc, ext_part_sector, 1, (ulong *)buffer) != 1) {
d29892ba	186	printf (" Can't read partition table on %d:" LBAFU " \n",
bcce53d0	187	dev_desc->devnum, ext_part_sector);
fe8c2806 WD	188	return -1;
	189	}
	190	if (buffer[DOS_PART_MAGIC_OFFSET] != 0x55 \|\|
	191	buffer[DOS_PART_MAGIC_OFFSET + 1] != 0xaa) {
	192	printf ("bad MBR sector signature 0x%02x%02x\n",
	193	buffer[DOS_PART_MAGIC_OFFSET],
	194	buffer[DOS_PART_MAGIC_OFFSET + 1]);
	195	return -1;
	196	}
	197
b331cd62	198	#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
d27b5f93 SW	199	if (!ext_part_sector)
	200	disksig = le32_to_int(&buffer[DOS_PART_DISKSIG_OFFSET]);
	201	#endif
	202
fe8c2806 WD	203	/* Print all primary/logical partitions */
	204	pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);
	205	for (i = 0; i < 4; i++, pt++) {
	206	/*
8bde7f77 WD	207	* fdisk does not show the extended partitions that
8bde7f77 WD	208	* are not in the MBR
fe8c2806	209	*/
78f4ca79 DM	210	if (((pt->boot_ind & ~0x80) == 0) &&
78f4ca79 DM	211	(pt->sys_ind != 0) &&
7f70e853 WD	212	(part_num == which_part) &&
7f70e853 WD	213	(is_extended(pt->sys_ind) == 0)) {
4a36be9b	214	info->blksz = DOS_PART_DEFAULT_SECTOR;
e04350d2 SR	215	info->start = (lbaint_t)(ext_part_sector +
	216	le32_to_int(pt->start4));
	217	info->size = (lbaint_t)le32_to_int(pt->size4);
da2ee24d PK	218	part_set_generic_name(dev_desc, part_num,
da2ee24d PK	219	(char *)info->name);
fe8c2806	220	/* sprintf(info->type, "%d, pt->sys_ind); */
192bc694	221	strcpy((char *)info->type, "U-Boot");
40e0e568	222	info->bootable = is_bootable(pt);
b331cd62	223	#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
d27b5f93 SW	224	sprintf(info->uuid, "%08x-%02x", disksig, part_num);
d27b5f93 SW	225	#endif
f0fb4fa7	226	info->sys_ind = pt->sys_ind;
fe8c2806 WD	227	return 0;
	228	}
	229
	230	/* Reverse engr the fdisk part# assignment rule! */
	231	if ((ext_part_sector == 0) \|\|
	232	(pt->sys_ind != 0 && !is_extended (pt->sys_ind)) ) {
	233	part_num++;
	234	}
	235	}
	236
	237	/* Follows the extended partitions */
	238	pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);
	239	for (i = 0; i < 4; i++, pt++) {
	240	if (is_extended (pt->sys_ind)) {
d29892ba SM	241	lbaint_t lba_start
d29892ba SM	242	= le32_to_int (pt->start4) + relative;
fe8c2806	243
3e8bd469	244	return part_get_info_extended(dev_desc, lba_start,
fe8c2806	245	ext_part_sector == 0 ? lba_start : relative,
d27b5f93	246	part_num, which_part, info, disksig);
fe8c2806 WD	247	}
fe8c2806 WD	248	}
4a36be9b DD	249
	250	/* Check for DOS PBR if no partition is found */
	251	dos_type = test_block_type(buffer);
	252
	253	if (dos_type == DOS_PBR) {
	254	info->start = 0;
	255	info->size = dev_desc->lba;
	256	info->blksz = DOS_PART_DEFAULT_SECTOR;
	257	info->bootable = 0;
192bc694	258	strcpy((char *)info->type, "U-Boot");
b331cd62	259	#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
4a36be9b DD	260	info->uuid[0] = 0;
	261	#endif
	262	return 0;
	263	}
	264
fe8c2806 WD	265	return -1;
	266	}
	267
084bf4c2	268	void part_print_dos(struct blk_desc *dev_desc)
fe8c2806	269	{
e2e9b378 SW	270	printf("Part\tStart Sector\tNum Sectors\tUUID\t\tType\n");
e2e9b378 SW	271	print_partition_extended(dev_desc, 0, 0, 1, 0);
fe8c2806 WD	272	}
fe8c2806 WD	273
3e8bd469 SG	274	int part_get_info_dos(struct blk_desc *dev_desc, int part,
3e8bd469 SG	275	disk_partition_t *info)
fe8c2806	276	{
3e8bd469	277	return part_get_info_extended(dev_desc, 0, 0, 1, part, info, 0);
fe8c2806 WD	278	}
fe8c2806 WD	279
b6dd69a4 PK	280	int is_valid_dos_buf(void *buf)
	281	{
	282	return test_block_type(buf) == DOS_MBR ? 0 : -1;
	283	}
	284
	285	int write_mbr_partition(struct blk_desc dev_desc, void buf)
	286	{
	287	if (is_valid_dos_buf(buf))
	288	return -1;
	289
	290	/* write MBR */
	291	if (blk_dwrite(dev_desc, 0, 1, buf) != 1) {
	292	printf("%s: failed writing '%s' (1 blks at 0x0)\n",
	293	__func__, "MBR");
	294	return 1;
	295	}
	296
	297	return 0;
	298	}
	299
96e5b03c SG	300	U_BOOT_PART_TYPE(dos) = {
	301	.name = "DOS",
	302	.part_type = PART_TYPE_DOS,
87b8530f	303	.max_entries = DOS_ENTRY_NUMBERS,
3e8bd469	304	.get_info = part_get_info_ptr(part_get_info_dos),
084bf4c2 SG	305	.print = part_print_ptr(part_print_dos),
084bf4c2 SG	306	.test = part_test_dos,
96e5b03c	307	};
fe8c2806	308
cde5c64d	309	#endif