[people/ms/u-boot.git] / fs / fs.c

/*
 * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
 */

#include <config.h>
#include <common.h>
#include <part.h>
#include <ext4fs.h>
#include <fat.h>
#include <fs.h>
#include <sandboxfs.h>
#include <asm/io.h>

DECLARE_GLOBAL_DATA_PTR;

static block_dev_desc_t *fs_dev_desc;
static disk_partition_t fs_partition;
static int fs_type = FS_TYPE_ANY;

static inline int fs_probe_unsupported(block_dev_desc_t *fs_dev_desc,
				      disk_partition_t *fs_partition)
{
	printf("** Unrecognized filesystem type **\n");
	return -1;
}

static inline int fs_ls_unsupported(const char *dirname)
{
	return -1;
}

static inline int fs_exists_unsupported(const char *filename)
{
	return 0;
}

static inline int fs_size_unsupported(const char *filename)
{
	return -1;
}

static inline int fs_read_unsupported(const char *filename, void *buf,
				      int offset, int len)
{
	return -1;
}

static inline int fs_write_unsupported(const char *filename, void *buf,
				      int offset, int len)
{
	return -1;
}

static inline void fs_close_unsupported(void)
{
}

struct fstype_info {
	int fstype;
	/*
	 * Is it legal to pass NULL as .probe()'s  fs_dev_desc parameter? This
	 * should be false in most cases. For "virtual" filesystems which
	 * aren't based on a U-Boot block device (e.g. sandbox), this can be
	 * set to true. This should also be true for the dumm entry at the end
	 * of fstypes[], since that is essentially a "virtual" (non-existent)
	 * filesystem.
	 */
	bool null_dev_desc_ok;
	int (*probe)(block_dev_desc_t *fs_dev_desc,
		     disk_partition_t *fs_partition);
	int (*ls)(const char *dirname);
	int (*exists)(const char *filename);
	int (*size)(const char *filename);
	int (*read)(const char *filename, void *buf, int offset, int len);
	int (*write)(const char *filename, void *buf, int offset, int len);
	void (*close)(void);
};

static struct fstype_info fstypes[] = {
#ifdef CONFIG_FS_FAT
	{
		.fstype = FS_TYPE_FAT,
		.null_dev_desc_ok = false,
		.probe = fat_set_blk_dev,
		.close = fat_close,
		.ls = file_fat_ls,
		.exists = fat_exists,
		.size = fat_size,
		.read = fat_read_file,
		.write = fs_write_unsupported,
	},
#endif
#ifdef CONFIG_FS_EXT4
	{
		.fstype = FS_TYPE_EXT,
		.null_dev_desc_ok = false,
		.probe = ext4fs_probe,
		.close = ext4fs_close,
		.ls = ext4fs_ls,
		.exists = ext4fs_exists,
		.size = ext4fs_size,
		.read = ext4_read_file,
		.write = fs_write_unsupported,
	},
#endif
#ifdef CONFIG_SANDBOX
	{
		.fstype = FS_TYPE_SANDBOX,
		.null_dev_desc_ok = true,
		.probe = sandbox_fs_set_blk_dev,
		.close = sandbox_fs_close,
		.ls = sandbox_fs_ls,
		.exists = sandbox_fs_exists,
		.size = sandbox_fs_size,
		.read = fs_read_sandbox,
		.write = fs_write_sandbox,
	},
#endif
	{
		.fstype = FS_TYPE_ANY,
		.null_dev_desc_ok = true,
		.probe = fs_probe_unsupported,
		.close = fs_close_unsupported,
		.ls = fs_ls_unsupported,
		.exists = fs_exists_unsupported,
		.size = fs_size_unsupported,
		.read = fs_read_unsupported,
		.write = fs_write_unsupported,
	},
};

static struct fstype_info *fs_get_info(int fstype)
{
	struct fstype_info *info;
	int i;

	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes) - 1; i++, info++) {
		if (fstype == info->fstype)
			return info;
	}

	/* Return the 'unsupported' sentinel */
	return info;
}

int fs_set_blk_dev(const char *ifname, const char *dev_part_str, int fstype)
{
	struct fstype_info *info;
	int part, i;
#ifdef CONFIG_NEEDS_MANUAL_RELOC
	static int relocated;

	if (!relocated) {
		for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes);
				i++, info++) {
			info->probe += gd->reloc_off;
			info->close += gd->reloc_off;
			info->ls += gd->reloc_off;
			info->read += gd->reloc_off;
			info->write += gd->reloc_off;
		}
		relocated = 1;
	}
#endif

	part = get_device_and_partition(ifname, dev_part_str, &fs_dev_desc,
					&fs_partition, 1);
	if (part < 0)
		return -1;

	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) {
		if (fstype != FS_TYPE_ANY && info->fstype != FS_TYPE_ANY &&
				fstype != info->fstype)
			continue;

		if (!fs_dev_desc && !info->null_dev_desc_ok)
			continue;

		if (!info->probe(fs_dev_desc, &fs_partition)) {
			fs_type = info->fstype;
			return 0;
		}
	}

	return -1;
}

static void fs_close(void)
{
	struct fstype_info *info = fs_get_info(fs_type);

	info->close();

	fs_type = FS_TYPE_ANY;
}

int fs_ls(const char *dirname)
{
	int ret;

	struct fstype_info *info = fs_get_info(fs_type);

	ret = info->ls(dirname);

	fs_type = FS_TYPE_ANY;
	fs_close();

	return ret;
}

int fs_exists(const char *filename)
{
	int ret;

	struct fstype_info *info = fs_get_info(fs_type);

	ret = info->exists(filename);

	fs_close();

	return ret;
}

int fs_size(const char *filename)
{
	int ret;

	struct fstype_info *info = fs_get_info(fs_type);

	ret = info->size(filename);

	fs_close();

	return ret;
}

int fs_read(const char *filename, ulong addr, int offset, int len)
{
	struct fstype_info *info = fs_get_info(fs_type);
	void *buf;
	int ret;

	/*
	 * We don't actually know how many bytes are being read, since len==0
	 * means read the whole file.
	 */
	buf = map_sysmem(addr, len);
	ret = info->read(filename, buf, offset, len);
	unmap_sysmem(buf);

	/* If we requested a specific number of bytes, check we got it */
	if (ret >= 0 && len && ret != len) {
		printf("** Unable to read file %s **\n", filename);
		ret = -1;
	}
	fs_close();

	return ret;
}

int fs_write(const char *filename, ulong addr, int offset, int len)
{
	struct fstype_info *info = fs_get_info(fs_type);
	void *buf;
	int ret;

	buf = map_sysmem(addr, len);
	ret = info->write(filename, buf, offset, len);
	unmap_sysmem(buf);

	if (ret >= 0 && ret != len) {
		printf("** Unable to write file %s **\n", filename);
		ret = -1;
	}
	fs_close();

	return ret;
}

int do_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
		int fstype)
{
	int size;

	if (argc != 4)
		return CMD_RET_USAGE;

	if (fs_set_blk_dev(argv[1], argv[2], fstype))
		return 1;

	size = fs_size(argv[3]);
	if (size < 0)
		return CMD_RET_FAILURE;

	setenv_hex("filesize", size);

	return 0;
}

int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
		int fstype)
{
	unsigned long addr;
	const char *addr_str;
	const char *filename;
	unsigned long bytes;
	unsigned long pos;
	int len_read;
	unsigned long time;
	char *ep;

	if (argc < 2)
		return CMD_RET_USAGE;
	if (argc > 7)
		return CMD_RET_USAGE;

	if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
		return 1;

	if (argc >= 4) {
		addr = simple_strtoul(argv[3], &ep, 16);
		if (ep == argv[3] || *ep != '\0')
			return CMD_RET_USAGE;
	} else {
		addr_str = getenv("loadaddr");
		if (addr_str != NULL)
			addr = simple_strtoul(addr_str, NULL, 16);
		else
			addr = CONFIG_SYS_LOAD_ADDR;
	}
	if (argc >= 5) {
		filename = argv[4];
	} else {
		filename = getenv("bootfile");
		if (!filename) {
			puts("** No boot file defined **\n");
			return 1;
		}
	}
	if (argc >= 6)
		bytes = simple_strtoul(argv[5], NULL, 16);
	else
		bytes = 0;
	if (argc >= 7)
		pos = simple_strtoul(argv[6], NULL, 16);
	else
		pos = 0;

	time = get_timer(0);
	len_read = fs_read(filename, addr, pos, bytes);
	time = get_timer(time);
	if (len_read <= 0)
		return 1;

	printf("%d bytes read in %lu ms", len_read, time);
	if (time > 0) {
		puts(" (");
		print_size(len_read / time * 1000, "/s");
		puts(")");
	}
	puts("\n");

	setenv_hex("filesize", len_read);

	return 0;
}

int do_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
	int fstype)
{
	if (argc < 2)
		return CMD_RET_USAGE;
	if (argc > 4)
		return CMD_RET_USAGE;

	if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
		return 1;

	if (fs_ls(argc >= 4 ? argv[3] : "/"))
		return 1;

	return 0;
}

int file_exists(const char *dev_type, const char *dev_part, const char *file,
		int fstype)
{
	if (fs_set_blk_dev(dev_type, dev_part, fstype))
		return 0;

	return fs_exists(file);
}

int do_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
		int fstype)
{
	unsigned long addr;
	const char *filename;
	unsigned long bytes;
	unsigned long pos;
	int len;
	unsigned long time;

	if (argc < 6 || argc > 7)
		return CMD_RET_USAGE;

	if (fs_set_blk_dev(argv[1], argv[2], fstype))
		return 1;

	filename = argv[3];
	addr = simple_strtoul(argv[4], NULL, 16);
	bytes = simple_strtoul(argv[5], NULL, 16);
	if (argc >= 7)
		pos = simple_strtoul(argv[6], NULL, 16);
	else
		pos = 0;

	time = get_timer(0);
	len = fs_write(filename, addr, pos, bytes);
	time = get_timer(time);
	if (len <= 0)
		return 1;

	printf("%d bytes written in %lu ms", len, time);
	if (time > 0) {
		puts(" (");
		print_size(len / time * 1000, "/s");
		puts(")");
	}
	puts("\n");

	return 0;
}
Commit	Line	Data
045fa1e1 SW	1	/*
	2	* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
	3	*
	4	* This program is free software; you can redistribute it and/or modify it
	5	* under the terms and conditions of the GNU General Public License,
	6	* version 2, as published by the Free Software Foundation.
	7	*
	8	* This program is distributed in the hope it will be useful, but WITHOUT
	9	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	10	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	11	* more details.
	12	*
	13	* You should have received a copy of the GNU General Public License
	14	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	15	*/
	16
	17	#include <config.h>
	18	#include <common.h>
	19	#include <part.h>
	20	#include <ext4fs.h>
	21	#include <fat.h>
	22	#include <fs.h>
92ccc96b	23	#include <sandboxfs.h>
117e0507	24	#include <asm/io.h>
045fa1e1	25
a1b231ce SW	26	DECLARE_GLOBAL_DATA_PTR;
a1b231ce SW	27
045fa1e1 SW	28	static block_dev_desc_t *fs_dev_desc;
	29	static disk_partition_t fs_partition;
	30	static int fs_type = FS_TYPE_ANY;
	31
2ded0d47 SG	32	static inline int fs_probe_unsupported(block_dev_desc_t *fs_dev_desc,
2ded0d47 SG	33	disk_partition_t *fs_partition)
436e2b73 SG	34	{
	35	printf(" Unrecognized filesystem type \n");
	36	return -1;
	37	}
	38
045fa1e1 SW	39	static inline int fs_ls_unsupported(const char *dirname)
045fa1e1 SW	40	{
045fa1e1 SW	41	return -1;
	42	}
	43
6152916a SW	44	static inline int fs_exists_unsupported(const char *filename)
	45	{
	46	return 0;
	47	}
	48
cf659819 SW	49	static inline int fs_size_unsupported(const char *filename)
	50	{
	51	return -1;
	52	}
	53
117e0507	54	static inline int fs_read_unsupported(const char filename, void buf,
045fa1e1 SW	55	int offset, int len)
045fa1e1 SW	56	{
045fa1e1 SW	57	return -1;
	58	}
	59
a8f6ab52 SG	60	static inline int fs_write_unsupported(const char filename, void buf,
	61	int offset, int len)
	62	{
	63	return -1;
	64	}
	65
436e2b73 SG	66	static inline void fs_close_unsupported(void)
	67	{
	68	}
	69
436e2b73	70	struct fstype_info {
045fa1e1	71	int fstype;
377202b5 SW	72	/*
	73	* Is it legal to pass NULL as .probe()'s fs_dev_desc parameter? This
	74	* should be false in most cases. For "virtual" filesystems which
	75	* aren't based on a U-Boot block device (e.g. sandbox), this can be
	76	* set to true. This should also be true for the dumm entry at the end
	77	* of fstypes[], since that is essentially a "virtual" (non-existent)
	78	* filesystem.
	79	*/
	80	bool null_dev_desc_ok;
2ded0d47 SG	81	int (probe)(block_dev_desc_t fs_dev_desc,
2ded0d47 SG	82	disk_partition_t *fs_partition);
436e2b73	83	int (ls)(const char dirname);
6152916a	84	int (exists)(const char filename);
cf659819	85	int (size)(const char filename);
117e0507	86	int (read)(const char filename, void *buf, int offset, int len);
a8f6ab52	87	int (write)(const char filename, void *buf, int offset, int len);
436e2b73 SG	88	void (*close)(void);
	89	};
	90
	91	static struct fstype_info fstypes[] = {
	92	#ifdef CONFIG_FS_FAT
045fa1e1 SW	93	{
045fa1e1 SW	94	.fstype = FS_TYPE_FAT,
377202b5	95	.null_dev_desc_ok = false,
e6d52415 SG	96	.probe = fat_set_blk_dev,
e6d52415 SG	97	.close = fat_close,
436e2b73	98	.ls = file_fat_ls,
b7b5f319	99	.exists = fat_exists,
cf659819	100	.size = fat_size,
e6d52415	101	.read = fat_read_file,
bd6fb31f	102	.write = fs_write_unsupported,
045fa1e1	103	},
436e2b73 SG	104	#endif
436e2b73 SG	105	#ifdef CONFIG_FS_EXT4
045fa1e1 SW	106	{
045fa1e1 SW	107	.fstype = FS_TYPE_EXT,
377202b5	108	.null_dev_desc_ok = false,
e6d52415 SG	109	.probe = ext4fs_probe,
e6d52415 SG	110	.close = ext4fs_close,
436e2b73	111	.ls = ext4fs_ls,
55af5c93	112	.exists = ext4fs_exists,
cf659819	113	.size = ext4fs_size,
e6d52415	114	.read = ext4_read_file,
bd6fb31f	115	.write = fs_write_unsupported,
436e2b73	116	},
92ccc96b SG	117	#endif
	118	#ifdef CONFIG_SANDBOX
	119	{
	120	.fstype = FS_TYPE_SANDBOX,
377202b5	121	.null_dev_desc_ok = true,
92ccc96b SG	122	.probe = sandbox_fs_set_blk_dev,
	123	.close = sandbox_fs_close,
	124	.ls = sandbox_fs_ls,
0a30aa1e	125	.exists = sandbox_fs_exists,
cf659819	126	.size = sandbox_fs_size,
92ccc96b	127	.read = fs_read_sandbox,
7eb2c8d5	128	.write = fs_write_sandbox,
92ccc96b	129	},
436e2b73 SG	130	#endif
	131	{
	132	.fstype = FS_TYPE_ANY,
377202b5	133	.null_dev_desc_ok = true,
436e2b73 SG	134	.probe = fs_probe_unsupported,
	135	.close = fs_close_unsupported,
	136	.ls = fs_ls_unsupported,
6152916a	137	.exists = fs_exists_unsupported,
cf659819	138	.size = fs_size_unsupported,
436e2b73	139	.read = fs_read_unsupported,
a8f6ab52	140	.write = fs_write_unsupported,
045fa1e1 SW	141	},
	142	};
	143
c6f548d2 SG	144	static struct fstype_info *fs_get_info(int fstype)
	145	{
	146	struct fstype_info *info;
	147	int i;
	148
	149	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes) - 1; i++, info++) {
	150	if (fstype == info->fstype)
	151	return info;
	152	}
	153
	154	/* Return the 'unsupported' sentinel */
	155	return info;
	156	}
	157
045fa1e1 SW	158	int fs_set_blk_dev(const char ifname, const char dev_part_str, int fstype)
045fa1e1 SW	159	{
436e2b73	160	struct fstype_info *info;
045fa1e1	161	int part, i;
a1b231ce SW	162	#ifdef CONFIG_NEEDS_MANUAL_RELOC
	163	static int relocated;
	164
	165	if (!relocated) {
436e2b73 SG	166	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes);
	167	i++, info++) {
	168	info->probe += gd->reloc_off;
	169	info->close += gd->reloc_off;
	170	info->ls += gd->reloc_off;
	171	info->read += gd->reloc_off;
a8f6ab52	172	info->write += gd->reloc_off;
436e2b73	173	}
a1b231ce SW	174	relocated = 1;
	175	}
	176	#endif
045fa1e1 SW	177
	178	part = get_device_and_partition(ifname, dev_part_str, &fs_dev_desc,
	179	&fs_partition, 1);
	180	if (part < 0)
	181	return -1;
	182
436e2b73 SG	183	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) {
	184	if (fstype != FS_TYPE_ANY && info->fstype != FS_TYPE_ANY &&
	185	fstype != info->fstype)
045fa1e1 SW	186	continue;
045fa1e1 SW	187
377202b5 SW	188	if (!fs_dev_desc && !info->null_dev_desc_ok)
	189	continue;
	190
2ded0d47	191	if (!info->probe(fs_dev_desc, &fs_partition)) {
436e2b73	192	fs_type = info->fstype;
045fa1e1 SW	193	return 0;
	194	}
	195	}
	196
045fa1e1 SW	197	return -1;
	198	}
	199
	200	static void fs_close(void)
	201	{
c6f548d2	202	struct fstype_info *info = fs_get_info(fs_type);
045fa1e1	203
c6f548d2	204	info->close();
e6d52415	205
045fa1e1 SW	206	fs_type = FS_TYPE_ANY;
	207	}
	208
	209	int fs_ls(const char *dirname)
	210	{
	211	int ret;
	212
c6f548d2 SG	213	struct fstype_info *info = fs_get_info(fs_type);
	214
	215	ret = info->ls(dirname);
045fa1e1	216
e6d52415	217	fs_type = FS_TYPE_ANY;
045fa1e1 SW	218	fs_close();
	219
	220	return ret;
	221	}
	222
6152916a SW	223	int fs_exists(const char *filename)
	224	{
	225	int ret;
	226
	227	struct fstype_info *info = fs_get_info(fs_type);
	228
	229	ret = info->exists(filename);
	230
	231	fs_close();
	232
	233	return ret;
	234	}
	235
cf659819 SW	236	int fs_size(const char *filename)
	237	{
	238	int ret;
	239
	240	struct fstype_info *info = fs_get_info(fs_type);
	241
	242	ret = info->size(filename);
	243
	244	fs_close();
	245
	246	return ret;
	247	}
	248
045fa1e1 SW	249	int fs_read(const char *filename, ulong addr, int offset, int len)
045fa1e1 SW	250	{
c6f548d2	251	struct fstype_info *info = fs_get_info(fs_type);
117e0507	252	void *buf;
045fa1e1 SW	253	int ret;
045fa1e1 SW	254
117e0507 SG	255	/*
	256	* We don't actually know how many bytes are being read, since len==0
	257	* means read the whole file.
	258	*/
	259	buf = map_sysmem(addr, len);
	260	ret = info->read(filename, buf, offset, len);
	261	unmap_sysmem(buf);
045fa1e1	262
c6f548d2 SG	263	/* If we requested a specific number of bytes, check we got it */
	264	if (ret >= 0 && len && ret != len) {
	265	printf(" Unable to read file %s \n", filename);
	266	ret = -1;
	267	}
045fa1e1 SW	268	fs_close();
	269
	270	return ret;
	271	}
	272
a8f6ab52 SG	273	int fs_write(const char *filename, ulong addr, int offset, int len)
	274	{
	275	struct fstype_info *info = fs_get_info(fs_type);
	276	void *buf;
	277	int ret;
	278
a8f6ab52 SG	279	buf = map_sysmem(addr, len);
	280	ret = info->write(filename, buf, offset, len);
	281	unmap_sysmem(buf);
	282
bd6fb31f	283	if (ret >= 0 && ret != len) {
a8f6ab52 SG	284	printf(" Unable to write file %s \n", filename);
	285	ret = -1;
	286	}
	287	fs_close();
	288
	289	return ret;
	290	}
	291
cf659819 SW	292	int do_size(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
	293	int fstype)
	294	{
	295	int size;
	296
	297	if (argc != 4)
	298	return CMD_RET_USAGE;
	299
	300	if (fs_set_blk_dev(argv[1], argv[2], fstype))
	301	return 1;
	302
	303	size = fs_size(argv[3]);
	304	if (size < 0)
	305	return CMD_RET_FAILURE;
	306
	307	setenv_hex("filesize", size);
	308
	309	return 0;
	310	}
	311
f9b55e22	312	int do_load(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
b770e88a	313	int fstype)
045fa1e1 SW	314	{
	315	unsigned long addr;
	316	const char *addr_str;
	317	const char *filename;
	318	unsigned long bytes;
	319	unsigned long pos;
	320	int len_read;
da1fd96c	321	unsigned long time;
949bbd7c	322	char *ep;
045fa1e1	323
e9b0f99e SW	324	if (argc < 2)
	325	return CMD_RET_USAGE;
	326	if (argc > 7)
045fa1e1 SW	327	return CMD_RET_USAGE;
045fa1e1 SW	328
e9b0f99e	329	if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
045fa1e1 SW	330	return 1;
	331
	332	if (argc >= 4) {
949bbd7c PM	333	addr = simple_strtoul(argv[3], &ep, 16);
	334	if (ep == argv[3] \|\| *ep != '\0')
	335	return CMD_RET_USAGE;
045fa1e1 SW	336	} else {
	337	addr_str = getenv("loadaddr");
	338	if (addr_str != NULL)
	339	addr = simple_strtoul(addr_str, NULL, 16);
	340	else
	341	addr = CONFIG_SYS_LOAD_ADDR;
	342	}
	343	if (argc >= 5) {
	344	filename = argv[4];
	345	} else {
	346	filename = getenv("bootfile");
	347	if (!filename) {
	348	puts(" No boot file defined \n");
	349	return 1;
	350	}
	351	}
	352	if (argc >= 6)
b770e88a	353	bytes = simple_strtoul(argv[5], NULL, 16);
045fa1e1 SW	354	else
	355	bytes = 0;
	356	if (argc >= 7)
b770e88a	357	pos = simple_strtoul(argv[6], NULL, 16);
045fa1e1 SW	358	else
	359	pos = 0;
	360
da1fd96c	361	time = get_timer(0);
045fa1e1	362	len_read = fs_read(filename, addr, pos, bytes);
da1fd96c	363	time = get_timer(time);
045fa1e1 SW	364	if (len_read <= 0)
	365	return 1;
	366
da1fd96c AB	367	printf("%d bytes read in %lu ms", len_read, time);
	368	if (time > 0) {
	369	puts(" (");
	370	print_size(len_read / time * 1000, "/s");
	371	puts(")");
	372	}
	373	puts("\n");
045fa1e1	374
49c4f037	375	setenv_hex("filesize", len_read);
045fa1e1 SW	376
	377	return 0;
	378	}
	379
	380	int do_ls(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
	381	int fstype)
	382	{
	383	if (argc < 2)
	384	return CMD_RET_USAGE;
e9b0f99e SW	385	if (argc > 4)
e9b0f99e SW	386	return CMD_RET_USAGE;
045fa1e1 SW	387
	388	if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
	389	return 1;
	390
e9b0f99e	391	if (fs_ls(argc >= 4 ? argv[3] : "/"))
045fa1e1 SW	392	return 1;
	393
	394	return 0;
	395	}
a8f6ab52	396
6152916a SW	397	int file_exists(const char dev_type, const char dev_part, const char *file,
	398	int fstype)
	399	{
	400	if (fs_set_blk_dev(dev_type, dev_part, fstype))
	401	return 0;
	402
	403	return fs_exists(file);
	404	}
	405
a8f6ab52	406	int do_save(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
b770e88a	407	int fstype)
a8f6ab52 SG	408	{
	409	unsigned long addr;
	410	const char *filename;
	411	unsigned long bytes;
	412	unsigned long pos;
	413	int len;
	414	unsigned long time;
	415
	416	if (argc < 6 \|\| argc > 7)
	417	return CMD_RET_USAGE;
	418
	419	if (fs_set_blk_dev(argv[1], argv[2], fstype))
	420	return 1;
	421
	422	filename = argv[3];
b770e88a WD	423	addr = simple_strtoul(argv[4], NULL, 16);
b770e88a WD	424	bytes = simple_strtoul(argv[5], NULL, 16);
a8f6ab52	425	if (argc >= 7)
b770e88a	426	pos = simple_strtoul(argv[6], NULL, 16);
a8f6ab52 SG	427	else
	428	pos = 0;
	429
	430	time = get_timer(0);
	431	len = fs_write(filename, addr, pos, bytes);
	432	time = get_timer(time);
	433	if (len <= 0)
	434	return 1;
	435
	436	printf("%d bytes written in %lu ms", len, time);
	437	if (time > 0) {
	438	puts(" (");
	439	print_size(len / time * 1000, "/s");
	440	puts(")");
	441	}
	442	puts("\n");
	443
	444	return 0;
	445	}