[people/ms/u-boot.git] / common / cmd_fat.c

/*
 * (C) Copyright 2002
 * Richard Jones, rjones@nexus-tech.net
 *
 * 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
 */

/*
 * Boot support
 */
#include <common.h>
#include <command.h>
#include <s_record.h>
#include <net.h>
#include <ata.h>
#include <part.h>
#include <fat.h>


int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	long size;
	unsigned long offset;
	unsigned long count;
	char buf [12];
	block_dev_desc_t *dev_desc=NULL;
	int dev=0;
	int part=1;
	char *ep;

	if (argc < 5) {
		printf ("usage: fatload <interface> <dev[:part]> <addr> <filename> [bytes]\n");
		return 1;
	}
	dev = (int)simple_strtoul (argv[2], &ep, 16);
	dev_desc=get_dev(argv[1],dev);
	if (dev_desc==NULL) {
		puts ("\n** Invalid boot device **\n");
		return 1;
	}
	if (*ep) {
		if (*ep != ':') {
			puts ("\n** Invalid boot device, use `dev[:part]' **\n");
			return 1;
		}
		part = (int)simple_strtoul(++ep, NULL, 16);
	}
	if (fat_register_device(dev_desc,part)!=0) {
		printf ("\n** Unable to use %s %d:%d for fatload **\n",argv[1],dev,part);
		return 1;
	}
	offset = simple_strtoul (argv[3], NULL, 16);
	if (argc == 6)
		count = simple_strtoul (argv[5], NULL, 16);
	else
		count = 0;
	size = file_fat_read (argv[4], (unsigned char *) offset, count);

	if(size==-1) {
		printf("\n** Unable to read \"%s\" from %s %d:%d **\n",argv[4],argv[1],dev,part);
		return 1;
	}

	printf ("\n%ld bytes read\n", size);

	sprintf(buf, "%lX", size);
	setenv("filesize", buf);

	return 0;
}


U_BOOT_CMD(
	fatload,	6,	0,	do_fat_fsload,
	"load binary file from a dos filesystem",
	"<interface> <dev[:part]>  <addr> <filename> [bytes]\n"
	"    - load binary file 'filename' from 'dev' on 'interface'\n"
	"      to address 'addr' from dos filesystem"
);

int do_fat_ls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	char *filename = "/";
	int ret;
	int dev=0;
	int part=1;
	char *ep;
	block_dev_desc_t *dev_desc=NULL;

	if (argc < 3) {
		printf ("usage: fatls <interface> <dev[:part]> [directory]\n");
		return (0);
	}
	dev = (int)simple_strtoul (argv[2], &ep, 16);
	dev_desc=get_dev(argv[1],dev);
	if (dev_desc==NULL) {
		puts ("\n** Invalid boot device **\n");
		return 1;
	}
	if (*ep) {
		if (*ep != ':') {
			puts ("\n** Invalid boot device, use `dev[:part]' **\n");
			return 1;
		}
		part = (int)simple_strtoul(++ep, NULL, 16);
	}
	if (fat_register_device(dev_desc,part)!=0) {
		printf ("\n** Unable to use %s %d:%d for fatls **\n",argv[1],dev,part);
		return 1;
	}
	if (argc == 4)
		ret = file_fat_ls (argv[3]);
	else
		ret = file_fat_ls (filename);

	if(ret!=0)
		printf("No Fat FS detected\n");
	return (ret);
}

U_BOOT_CMD(
	fatls,	4,	1,	do_fat_ls,
	"list files in a directory (default /)",
	"<interface> <dev[:part]> [directory]\n"
	"    - list files from 'dev' on 'interface' in a 'directory'"
);

int do_fat_fsinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	int dev=0;
	int part=1;
	char *ep;
	block_dev_desc_t *dev_desc=NULL;

	if (argc < 2) {
		printf ("usage: fatinfo <interface> <dev[:part]>\n");
		return (0);
	}
	dev = (int)simple_strtoul (argv[2], &ep, 16);
	dev_desc=get_dev(argv[1],dev);
	if (dev_desc==NULL) {
		puts ("\n** Invalid boot device **\n");
		return 1;
	}
	if (*ep) {
		if (*ep != ':') {
			puts ("\n** Invalid boot device, use `dev[:part]' **\n");
			return 1;
		}
		part = (int)simple_strtoul(++ep, NULL, 16);
	}
	if (fat_register_device(dev_desc,part)!=0) {
		printf ("\n** Unable to use %s %d:%d for fatinfo **\n",argv[1],dev,part);
		return 1;
	}
	return (file_fat_detectfs ());
}

U_BOOT_CMD(
	fatinfo,	3,	1,	do_fat_fsinfo,
	"print information about filesystem",
	"<interface> <dev[:part]>\n"
	"    - print information about filesystem from 'dev' on 'interface'"
);

#ifdef NOT_IMPLEMENTED_YET
/* find first device whose first partition is a DOS filesystem */
int find_fat_partition (void)
{
	int i, j;
	block_dev_desc_t *dev_desc;
	unsigned char *part_table;
	unsigned char buffer[ATA_BLOCKSIZE];

	for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; i++) {
		dev_desc = ide_get_dev (i);
		if (!dev_desc) {
			debug ("couldn't get ide device!\n");
			return (-1);
		}
		if (dev_desc->part_type == PART_TYPE_DOS) {
			if (dev_desc->
				block_read (dev_desc->dev, 0, 1, (ulong *) buffer) != 1) {
				debug ("can't perform block_read!\n");
				return (-1);
			}
			part_table = &buffer[0x1be];	/* start with partition #4 */
			for (j = 0; j < 4; j++) {
				if ((part_table[4] == 1 ||	/* 12-bit FAT */
				     part_table[4] == 4 ||	/* 16-bit FAT */
				     part_table[4] == 6) &&	/* > 32Meg part */
				    part_table[0] == 0x80) {	/* bootable? */
					curr_dev = i;
					part_offset = part_table[11];
					part_offset <<= 8;
					part_offset |= part_table[10];
					part_offset <<= 8;
					part_offset |= part_table[9];
					part_offset <<= 8;
					part_offset |= part_table[8];
					debug ("found partition start at %ld\n", part_offset);
					return (0);
				}
				part_table += 16;
			}
		}
	}

	debug ("no valid devices found!\n");
	return (-1);
}

int
do_fat_dump (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
{
	__u8 block[1024];
	int ret;
	int bknum;

	ret = 0;

	if (argc != 2) {
		printf ("needs an argument!\n");
		return (0);
	}

	bknum = simple_strtoul (argv[1], NULL, 10);

	if (disk_read (0, bknum, block) != 0) {
		printf ("Error: reading block\n");
		return -1;
	}
	printf ("FAT dump: %d\n", bknum);
	hexdump (512, block);

	return (ret);
}

int disk_read (__u32 startblock, __u32 getsize, __u8 *bufptr)
{
	ulong tot;
	block_dev_desc_t *dev_desc;

	if (curr_dev < 0) {
		if (find_fat_partition () != 0)
			return (-1);
	}

	dev_desc = ide_get_dev (curr_dev);
	if (!dev_desc) {
		debug ("couldn't get ide device\n");
		return (-1);
	}

	tot = dev_desc->block_read (0, startblock + part_offset,
				    getsize, (ulong *) bufptr);

	/* should we do this here?
	   flush_cache ((ulong)buf, cnt*ide_dev_desc[device].blksz);
	 */

	if (tot == getsize)
		return (0);

	debug ("unable to read from device!\n");

	return (-1);
}


static int isprint (unsigned char ch)
{
	if (ch >= 32 && ch < 127)
		return (1);

	return (0);
}


void hexdump (int cnt, unsigned char *data)
{
	int i;
	int run;
	int offset;

	offset = 0;
	while (cnt) {
		printf ("%04X : ", offset);
		if (cnt >= 16)
			run = 16;
		else
			run = cnt;
		cnt -= run;
		for (i = 0; i < run; i++)
			printf ("%02X ", (unsigned int) data[i]);
		printf (": ");
		for (i = 0; i < run; i++)
			printf ("%c", isprint (data[i]) ? data[i] : '.');
		printf ("\n");
		data = &data[16];
		offset += run;
	}
}
#endif	/* NOT_IMPLEMENTED_YET */
Commit	Line	Data
71f95118 WD	1	/*
	2	* (C) Copyright 2002
	3	* Richard Jones, rjones@nexus-tech.net
	4	*
	5	* See file CREDITS for list of people who contributed to this
	6	* project.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation; either version 2 of
	11	* the License, or (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	21	* MA 02111-1307 USA
	22	*/
	23
	24	/*
	25	* Boot support
	26	*/
	27	#include <common.h>
	28	#include <command.h>
71f95118 WD	29	#include <s_record.h>
	30	#include <net.h>
	31	#include <ata.h>
735dd97b	32	#include <part.h>
71f95118 WD	33	#include <fat.h>
71f95118 WD	34
7205e407	35
71f95118 WD	36	int do_fat_fsload (cmd_tbl_t cmdtp, int flag, int argc, char argv[])
	37	{
	38	long size;
	39	unsigned long offset;
	40	unsigned long count;
fbe4b5cb	41	char buf [12];
7205e407 WD	42	block_dev_desc_t *dev_desc=NULL;
	43	int dev=0;
	44	int part=1;
	45	char *ep;
71f95118	46
7205e407 WD	47	if (argc < 5) {
7205e407 WD	48	printf ("usage: fatload <interface> <dev[:part]> <addr> <filename> [bytes]\n");
31a64923	49	return 1;
71f95118	50	}
7205e407 WD	51	dev = (int)simple_strtoul (argv[2], &ep, 16);
	52	dev_desc=get_dev(argv[1],dev);
	53	if (dev_desc==NULL) {
	54	puts ("\n Invalid boot device \n");
	55	return 1;
	56	}
	57	if (*ep) {
	58	if (*ep != ':') {
	59	puts ("\n Invalid boot device, use `dev[:part]' \n");
	60	return 1;
	61	}
	62	part = (int)simple_strtoul(++ep, NULL, 16);
	63	}
	64	if (fat_register_device(dev_desc,part)!=0) {
	65	printf ("\n Unable to use %s %d:%d for fatload \n",argv[1],dev,part);
	66	return 1;
	67	}
	68	offset = simple_strtoul (argv[3], NULL, 16);
	69	if (argc == 6)
	70	count = simple_strtoul (argv[5], NULL, 16);
71f95118 WD	71	else
71f95118 WD	72	count = 0;
7205e407	73	size = file_fat_read (argv[4], (unsigned char *) offset, count);
71f95118	74
fbe4b5cb	75	if(size==-1) {
7205e407	76	printf("\n Unable to read \"%s\" from %s %d:%d \n",argv[4],argv[1],dev,part);
31a64923	77	return 1;
fbe4b5cb WD	78	}
fbe4b5cb WD	79
31a64923 WD	80	printf ("\n%ld bytes read\n", size);
	81
	82	sprintf(buf, "%lX", size);
	83	setenv("filesize", buf);
	84
	85	return 0;
71f95118 WD	86	}
71f95118 WD	87
7205e407	88
0d498393	89	U_BOOT_CMD(
7205e407	90	fatload, 6, 0, do_fat_fsload,
2fb2604d	91	"load binary file from a dos filesystem",
7205e407 WD	92	"<interface> <dev[:part]> <addr> <filename> [bytes]\n"
7205e407 WD	93	" - load binary file 'filename' from 'dev' on 'interface'\n"
a89c33db	94	" to address 'addr' from dos filesystem"
b0fce99b WD	95	);
b0fce99b WD	96
71f95118 WD	97	int do_fat_ls (cmd_tbl_t cmdtp, int flag, int argc, char argv[])
	98	{
	99	char *filename = "/";
	100	int ret;
7205e407 WD	101	int dev=0;
	102	int part=1;
	103	char *ep;
	104	block_dev_desc_t *dev_desc=NULL;
71f95118	105
7205e407 WD	106	if (argc < 3) {
	107	printf ("usage: fatls <interface> <dev[:part]> [directory]\n");
	108	return (0);
	109	}
	110	dev = (int)simple_strtoul (argv[2], &ep, 16);
	111	dev_desc=get_dev(argv[1],dev);
	112	if (dev_desc==NULL) {
	113	puts ("\n Invalid boot device \n");
	114	return 1;
	115	}
	116	if (*ep) {
	117	if (*ep != ':') {
	118	puts ("\n Invalid boot device, use `dev[:part]' \n");
	119	return 1;
	120	}
	121	part = (int)simple_strtoul(++ep, NULL, 16);
	122	}
	123	if (fat_register_device(dev_desc,part)!=0) {
	124	printf ("\n Unable to use %s %d:%d for fatls \n",argv[1],dev,part);
	125	return 1;
	126	}
	127	if (argc == 4)
	128	ret = file_fat_ls (argv[3]);
71f95118 WD	129	else
	130	ret = file_fat_ls (filename);
	131
7205e407 WD	132	if(ret!=0)
7205e407 WD	133	printf("No Fat FS detected\n");
71f95118 WD	134	return (ret);
	135	}
	136
0d498393	137	U_BOOT_CMD(
7205e407	138	fatls, 4, 1, do_fat_ls,
2fb2604d	139	"list files in a directory (default /)",
7205e407	140	"<interface> <dev[:part]> [directory]\n"
a89c33db	141	" - list files from 'dev' on 'interface' in a 'directory'"
b0fce99b WD	142	);
b0fce99b WD	143
71f95118 WD	144	int do_fat_fsinfo (cmd_tbl_t cmdtp, int flag, int argc, char argv[])
71f95118 WD	145	{
7205e407 WD	146	int dev=0;
	147	int part=1;
	148	char *ep;
	149	block_dev_desc_t *dev_desc=NULL;
71f95118	150
7205e407 WD	151	if (argc < 2) {
	152	printf ("usage: fatinfo <interface> <dev[:part]>\n");
	153	return (0);
	154	}
	155	dev = (int)simple_strtoul (argv[2], &ep, 16);
	156	dev_desc=get_dev(argv[1],dev);
	157	if (dev_desc==NULL) {
	158	puts ("\n Invalid boot device \n");
	159	return 1;
	160	}
	161	if (*ep) {
	162	if (*ep != ':') {
	163	puts ("\n Invalid boot device, use `dev[:part]' \n");
	164	return 1;
	165	}
	166	part = (int)simple_strtoul(++ep, NULL, 16);
	167	}
	168	if (fat_register_device(dev_desc,part)!=0) {
	169	printf ("\n Unable to use %s %d:%d for fatinfo \n",argv[1],dev,part);
	170	return 1;
	171	}
	172	return (file_fat_detectfs ());
71f95118 WD	173	}
71f95118 WD	174
0d498393	175	U_BOOT_CMD(
7205e407	176	fatinfo, 3, 1, do_fat_fsinfo,
2fb2604d	177	"print information about filesystem",
7205e407	178	"<interface> <dev[:part]>\n"
a89c33db	179	" - print information about filesystem from 'dev' on 'interface'"
b0fce99b WD	180	);
b0fce99b WD	181
71f95118 WD	182	#ifdef NOT_IMPLEMENTED_YET
	183	/* find first device whose first partition is a DOS filesystem */
	184	int find_fat_partition (void)
	185	{
	186	int i, j;
	187	block_dev_desc_t *dev_desc;
	188	unsigned char *part_table;
	189	unsigned char buffer[ATA_BLOCKSIZE];
	190
6d0f6bcf	191	for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; i++) {
71f95118 WD	192	dev_desc = ide_get_dev (i);
	193	if (!dev_desc) {
	194	debug ("couldn't get ide device!\n");
	195	return (-1);
	196	}
	197	if (dev_desc->part_type == PART_TYPE_DOS) {
	198	if (dev_desc->
	199	block_read (dev_desc->dev, 0, 1, (ulong *) buffer) != 1) {
	200	debug ("can't perform block_read!\n");
	201	return (-1);
	202	}
	203	part_table = &buffer[0x1be]; /* start with partition #4 */
	204	for (j = 0; j < 4; j++) {
	205	if ((part_table[4] == 1 \|\| /* 12-bit FAT */
	206	part_table[4] == 4 \|\| /* 16-bit FAT */
	207	part_table[4] == 6) && /* > 32Meg part */
	208	part_table[0] == 0x80) { /* bootable? */
	209	curr_dev = i;
	210	part_offset = part_table[11];
	211	part_offset <<= 8;
	212	part_offset \|= part_table[10];
	213	part_offset <<= 8;
	214	part_offset \|= part_table[9];
	215	part_offset <<= 8;
	216	part_offset \|= part_table[8];
	217	debug ("found partition start at %ld\n", part_offset);
	218	return (0);
	219	}
	220	part_table += 16;
	221	}
	222	}
	223	}
	224
	225	debug ("no valid devices found!\n");
	226	return (-1);
	227	}
	228
	229	int
	230	do_fat_dump (cmd_tbl_t cmdtp, bd_t bd, int flag, int argc, char *argv[])
	231	{
	232	__u8 block[1024];
	233	int ret;
	234	int bknum;
	235
	236	ret = 0;
	237
	238	if (argc != 2) {
	239	printf ("needs an argument!\n");
	240	return (0);
	241	}
	242
	243	bknum = simple_strtoul (argv[1], NULL, 10);
	244
	245	if (disk_read (0, bknum, block) != 0) {
	246	printf ("Error: reading block\n");
	247	return -1;
	248	}
	249	printf ("FAT dump: %d\n", bknum);
	250	hexdump (512, block);
	251
	252	return (ret);
	253	}
	254
	255	int disk_read (__u32 startblock, __u32 getsize, __u8 *bufptr)
256	{
257	ulong tot;
258	block_dev_desc_t *dev_desc;
259
260	if (curr_dev < 0) {
261	if (find_fat_partition () != 0)
262	return (-1);
263	}
264
265	dev_desc = ide_get_dev (curr_dev);
266	if (!dev_desc) {
267	debug ("couldn't get ide device\n");
268	return (-1);
269	}
270
271	tot = dev_desc->block_read (0, startblock + part_offset,
272	getsize, (ulong *) bufptr);
273
274	/* should we do this here?
275	flush_cache ((ulong)buf, cnt*ide_dev_desc[device].blksz);
276	*/
277
278	if (tot == getsize)
279	return (0);
280
281	debug ("unable to read from device!\n");
282
283	return (-1);
284	}
285
286
287	static int isprint (unsigned char ch)
288	{
289	if (ch >= 32 && ch < 127)
290	return (1);
291
292	return (0);
293	}
294
295
296	void hexdump (int cnt, unsigned char *data)
297	{
298	int i;
299	int run;
300	int offset;
301
302	offset = 0;
303	while (cnt) {
304	printf ("%04X : ", offset);
305	if (cnt >= 16)
306	run = 16;
307	else
308	run = cnt;
309	cnt -= run;
310	for (i = 0; i < run; i++)
311	printf ("%02X ", (unsigned int) data[i]);
312	printf (": ");
313	for (i = 0; i < run; i++)
314	printf ("%c", isprint (data[i]) ? data[i] : '.');
315	printf ("\n");
316	data = &data[16];
317	offset += run;
318	}
319	}
320	#endif /* NOT_IMPLEMENTED_YET */