[thirdparty/u-boot.git] / fs / yaffs2 / yaffs_uboot_glue.c

/*
 * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
 *
 * Copyright (C) 2002-2007 Aleph One Ltd.
 *   for Toby Churchill Ltd and Brightstar Engineering
 *
 * Created by Charles Manning <charles@aleph1.co.uk>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

/*
 * yaffscfg.c  The configuration for the "direct" use of yaffs.
 *
 * This is set up for u-boot.
 *
 * This version now uses the ydevconfig mechanism to set up partitions.
 */

#include <common.h>
#include <div64.h>

#include <config.h>
#include "nand.h"
#include "yaffscfg.h"
#include "yaffsfs.h"
#include "yaffs_packedtags2.h"
#include "yaffs_mtdif.h"
#include "yaffs_mtdif2.h"
#if 0
#include <errno.h>
#else
#include "malloc.h"
#endif

unsigned yaffs_trace_mask = 0x0; /* Disable logging */
static int yaffs_errno;


void yaffs_bug_fn(const char *fn, int n)
{
	printf("yaffs bug at %s:%d\n", fn, n);
}

void *yaffsfs_malloc(size_t x)
{
	return malloc(x);
}

void yaffsfs_free(void *x)
{
	free(x);
}

void yaffsfs_SetError(int err)
{
	yaffs_errno = err;
}

int yaffsfs_GetLastError(void)
{
	return yaffs_errno;
}


int yaffsfs_GetError(void)
{
	return yaffs_errno;
}

void yaffsfs_Lock(void)
{
}

void yaffsfs_Unlock(void)
{
}

__u32 yaffsfs_CurrentTime(void)
{
	return 0;
}

void *yaffs_malloc(size_t size)
{
	return malloc(size);
}

void yaffs_free(void *ptr)
{
	free(ptr);
}

void yaffsfs_LocalInitialisation(void)
{
	/* No locking used */
}


static const char *yaffs_file_type_str(struct yaffs_stat *stat)
{
	switch (stat->st_mode & S_IFMT) {
	case S_IFREG: return "regular file";
	case S_IFDIR: return "directory";
	case S_IFLNK: return "symlink";
	default: return "unknown";
	}
}

static const char *yaffs_error_str(void)
{
	int error = yaffsfs_GetLastError();

	if (error < 0)
		error = -error;

	switch (error) {
	case EBUSY: return "Busy";
	case ENODEV: return "No such device";
	case EINVAL: return "Invalid parameter";
	case ENFILE: return "Too many open files";
	case EBADF:  return "Bad handle";
	case EACCES: return "Wrong permissions";
	case EXDEV:  return "Not on same device";
	case ENOENT: return "No such entry";
	case ENOSPC: return "Device full";
	case EROFS:  return "Read only file system";
	case ERANGE: return "Range error";
	case ENOTEMPTY: return "Not empty";
	case ENAMETOOLONG: return "Name too long";
	case ENOMEM: return "Out of memory";
	case EFAULT: return "Fault";
	case EEXIST: return "Name exists";
	case ENOTDIR: return "Not a directory";
	case EISDIR: return "Not permitted on a directory";
	case ELOOP:  return "Symlink loop";
	case 0: return "No error";
	default: return "Unknown error";
	}
}

void cmd_yaffs_tracemask(unsigned set, unsigned mask)
{
	if (set)
		yaffs_trace_mask = mask;

	printf("yaffs trace mask: %08x\n", yaffs_trace_mask);
}

static int yaffs_regions_overlap(int a, int b, int x, int y)
{
	return	(a <= x && x <= b) ||
		(a <= y && y <= b) ||
		(x <= a && a <= y) ||
		(x <= b && b <= y);
}

void cmd_yaffs_devconfig(char *_mp, int flash_dev,
			int start_block, int end_block)
{
	struct mtd_info *mtd = NULL;
	struct yaffs_dev *dev = NULL;
	struct yaffs_dev *chk;
	char *mp = NULL;
	struct nand_chip *chip;

	dev = calloc(1, sizeof(*dev));
	mp = strdup(_mp);

	mtd = nand_info[flash_dev];

	if (!dev || !mp) {
		/* Alloc error */
		printf("Failed to allocate memory\n");
		goto err;
	}

	if (flash_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
		printf("Flash device invalid\n");
		goto err;
	}

	if (end_block == 0)
		end_block = lldiv(mtd->size, mtd->erasesize - 1);

	if (end_block < start_block) {
		printf("Bad start/end\n");
		goto err;
	}

	chip =  mtd->priv;

	/* Check for any conflicts */
	yaffs_dev_rewind();
	while (1) {
		chk = yaffs_next_dev();
		if (!chk)
			break;
		if (strcmp(chk->param.name, mp) == 0) {
			printf("Mount point name already used\n");
			goto err;
		}
		if (chk->driver_context == mtd &&
			yaffs_regions_overlap(
				chk->param.start_block, chk->param.end_block,
				start_block, end_block)) {
			printf("Region overlaps with partition %s\n",
				chk->param.name);
			goto err;
		}

	}

	/* Seems sane, so configure */
	memset(dev, 0, sizeof(*dev));
	dev->param.name = mp;
	dev->driver_context = mtd;
	dev->param.start_block = start_block;
	dev->param.end_block = end_block;
	dev->param.chunks_per_block = mtd->erasesize / mtd->writesize;
	dev->param.total_bytes_per_chunk = mtd->writesize;
	dev->param.is_yaffs2 = 1;
	dev->param.use_nand_ecc = 1;
	dev->param.n_reserved_blocks = 5;
	if (chip->ecc.layout->oobavail < sizeof(struct yaffs_packed_tags2))
		dev->param.inband_tags = 1;
	dev->param.n_caches = 10;
	dev->param.write_chunk_tags_fn = nandmtd2_write_chunk_tags;
	dev->param.read_chunk_tags_fn = nandmtd2_read_chunk_tags;
	dev->param.erase_fn = nandmtd_EraseBlockInNAND;
	dev->param.initialise_flash_fn = nandmtd_InitialiseNAND;
	dev->param.bad_block_fn = nandmtd2_MarkNANDBlockBad;
	dev->param.query_block_fn = nandmtd2_QueryNANDBlock;

	yaffs_add_device(dev);

	printf("Configures yaffs mount %s: dev %d start block %d, end block %d %s\n",
		mp, flash_dev, start_block, end_block,
		dev->param.inband_tags ? "using inband tags" : "");
	return;

err:
	free(dev);
	free(mp);
}

void cmd_yaffs_dev_ls(void)
{
	struct yaffs_dev *dev;
	int flash_dev;
	int free_space;

	yaffs_dev_rewind();

	while (1) {
		dev = yaffs_next_dev();
		if (!dev)
			return;
		flash_dev = nand_mtd_to_devnum(dev->driver_context);
		printf("%-10s %5d 0x%05x 0x%05x %s",
			dev->param.name, flash_dev,
			dev->param.start_block, dev->param.end_block,
			dev->param.inband_tags ? "using inband tags, " : "");

		free_space = yaffs_freespace(dev->param.name);
		if (free_space < 0)
			printf("not mounted\n");
		else
			printf("free 0x%x\n", free_space);

	}
}

void make_a_file(char *yaffsName, char bval, int sizeOfFile)
{
	int outh;
	int i;
	unsigned char buffer[100];

	outh = yaffs_open(yaffsName,
				O_CREAT | O_RDWR | O_TRUNC,
				S_IREAD | S_IWRITE);
	if (outh < 0) {
		printf("Error opening file: %d. %s\n", outh, yaffs_error_str());
		return;
	}

	memset(buffer, bval, 100);

	do {
		i = sizeOfFile;
		if (i > 100)
			i = 100;
		sizeOfFile -= i;

		yaffs_write(outh, buffer, i);

	} while (sizeOfFile > 0);


	yaffs_close(outh);
}

void read_a_file(char *fn)
{
	int h;
	int i = 0;
	unsigned char b;

	h = yaffs_open(fn, O_RDWR, 0);
	if (h < 0) {
		printf("File not found\n");
		return;
	}

	while (yaffs_read(h, &b, 1) > 0) {
		printf("%02x ", b);
		i++;
		if (i > 32) {
			printf("\n");
			i = 0;;
		}
	}
	printf("\n");
	yaffs_close(h);
}

void cmd_yaffs_mount(char *mp)
{
	int retval = yaffs_mount(mp);
	if (retval < 0)
		printf("Error mounting %s, return value: %d, %s\n", mp,
			yaffsfs_GetError(), yaffs_error_str());
}


void cmd_yaffs_umount(char *mp)
{
	if (yaffs_unmount(mp) == -1)
		printf("Error umounting %s, return value: %d, %s\n", mp,
			yaffsfs_GetError(), yaffs_error_str());
}

void cmd_yaffs_write_file(char *yaffsName, char bval, int sizeOfFile)
{
	make_a_file(yaffsName, bval, sizeOfFile);
}


void cmd_yaffs_read_file(char *fn)
{
	read_a_file(fn);
}


void cmd_yaffs_mread_file(char *fn, char *addr)
{
	int h;
	struct yaffs_stat s;

	yaffs_stat(fn, &s);

	printf("Copy %s to 0x%p... ", fn, addr);
	h = yaffs_open(fn, O_RDWR, 0);
	if (h < 0) {
		printf("File not found\n");
		return;
	}

	yaffs_read(h, addr, (int)s.st_size);
	printf("\t[DONE]\n");

	yaffs_close(h);
}


void cmd_yaffs_mwrite_file(char *fn, char *addr, int size)
{
	int outh;

	outh = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
	if (outh < 0)
		printf("Error opening file: %d, %s\n", outh, yaffs_error_str());

	yaffs_write(outh, addr, size);

	yaffs_close(outh);
}


void cmd_yaffs_ls(const char *mountpt, int longlist)
{
	int i;
	yaffs_DIR *d;
	struct yaffs_dirent *de;
	struct yaffs_stat stat;
	char tempstr[255];

	d = yaffs_opendir(mountpt);

	if (!d) {
		printf("opendir failed, %s\n", yaffs_error_str());
		return;
	}

	for (i = 0; (de = yaffs_readdir(d)) != NULL; i++) {
		if (longlist) {
			sprintf(tempstr, "%s/%s", mountpt, de->d_name);
			yaffs_lstat(tempstr, &stat);
			printf("%-25s\t%7ld",
					de->d_name,
					(long)stat.st_size);
			printf(" %5d %s\n",
					stat.st_ino,
					yaffs_file_type_str(&stat));
		} else {
			printf("%s\n", de->d_name);
		}
	}

	yaffs_closedir(d);
}


void cmd_yaffs_mkdir(const char *dir)
{
	int retval = yaffs_mkdir(dir, 0);

	if (retval < 0)
		printf("yaffs_mkdir returning error: %d, %s\n",
			retval, yaffs_error_str());
}

void cmd_yaffs_rmdir(const char *dir)
{
	int retval = yaffs_rmdir(dir);

	if (retval < 0)
		printf("yaffs_rmdir returning error: %d, %s\n",
			retval, yaffs_error_str());
}

void cmd_yaffs_rm(const char *path)
{
	int retval = yaffs_unlink(path);

	if (retval < 0)
		printf("yaffs_unlink returning error: %d, %s\n",
			retval, yaffs_error_str());
}

void cmd_yaffs_mv(const char *oldPath, const char *newPath)
{
	int retval = yaffs_rename(newPath, oldPath);

	if (retval < 0)
		printf("yaffs_unlink returning error: %d, %s\n",
			retval, yaffs_error_str());
}
Commit	Line	Data
753ac610 CM	1	/*
	2	* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
	3	*
	4	* Copyright (C) 2002-2007 Aleph One Ltd.
	5	* for Toby Churchill Ltd and Brightstar Engineering
	6	*
	7	* Created by Charles Manning <charles@aleph1.co.uk>
	8	*
	9	* This program is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License version 2 as
	11	* published by the Free Software Foundation.
	12	*/
	13
	14	/*
	15	* yaffscfg.c The configuration for the "direct" use of yaffs.
	16	*
	17	* This is set up for u-boot.
	18	*
	19	* This version now uses the ydevconfig mechanism to set up partitions.
	20	*/
	21
	22	#include <common.h>
6b44adc2	23	#include <div64.h>
753ac610 CM	24
	25	#include <config.h>
	26	#include "nand.h"
	27	#include "yaffscfg.h"
	28	#include "yaffsfs.h"
	29	#include "yaffs_packedtags2.h"
	30	#include "yaffs_mtdif.h"
	31	#include "yaffs_mtdif2.h"
	32	#if 0
	33	#include <errno.h>
	34	#else
	35	#include "malloc.h"
	36	#endif
	37
	38	unsigned yaffs_trace_mask = 0x0; /* Disable logging */
	39	static int yaffs_errno;
	40
	41
	42	void yaffs_bug_fn(const char *fn, int n)
	43	{
	44	printf("yaffs bug at %s:%d\n", fn, n);
	45	}
	46
	47	void *yaffsfs_malloc(size_t x)
	48	{
	49	return malloc(x);
	50	}
	51
	52	void yaffsfs_free(void *x)
	53	{
	54	free(x);
	55	}
	56
	57	void yaffsfs_SetError(int err)
	58	{
	59	yaffs_errno = err;
	60	}
	61
	62	int yaffsfs_GetLastError(void)
	63	{
	64	return yaffs_errno;
	65	}
	66
	67
	68	int yaffsfs_GetError(void)
	69	{
	70	return yaffs_errno;
	71	}
	72
	73	void yaffsfs_Lock(void)
	74	{
	75	}
	76
	77	void yaffsfs_Unlock(void)
	78	{
	79	}
	80
	81	__u32 yaffsfs_CurrentTime(void)
	82	{
	83	return 0;
	84	}
	85
	86	void *yaffs_malloc(size_t size)
	87	{
88	return malloc(size);
89	}
90
91	void yaffs_free(void *ptr)
92	{
93	free(ptr);
94	}
95
96	void yaffsfs_LocalInitialisation(void)
97	{
98	/* No locking used */
99	}
100
101
102	static const char yaffs_file_type_str(struct yaffs_stat stat)
103	{
104	switch (stat->st_mode & S_IFMT) {
105	case S_IFREG: return "regular file";
106	case S_IFDIR: return "directory";
107	case S_IFLNK: return "symlink";
108	default: return "unknown";
109	}
110	}
111
112	static const char *yaffs_error_str(void)
113	{
114	int error = yaffsfs_GetLastError();
115
116	if (error < 0)
117	error = -error;
118
119	switch (error) {
120	case EBUSY: return "Busy";
121	case ENODEV: return "No such device";
122	case EINVAL: return "Invalid parameter";
123	case ENFILE: return "Too many open files";
124	case EBADF: return "Bad handle";
125	case EACCES: return "Wrong permissions";
126	case EXDEV: return "Not on same device";
127	case ENOENT: return "No such entry";
128	case ENOSPC: return "Device full";
129	case EROFS: return "Read only file system";
130	case ERANGE: return "Range error";
131	case ENOTEMPTY: return "Not empty";
132	case ENAMETOOLONG: return "Name too long";
133	case ENOMEM: return "Out of memory";
134	case EFAULT: return "Fault";
135	case EEXIST: return "Name exists";
136	case ENOTDIR: return "Not a directory";
137	case EISDIR: return "Not permitted on a directory";
138	case ELOOP: return "Symlink loop";
139	case 0: return "No error";
140	default: return "Unknown error";
141	}
142	}
143
753ac610 CM	144	void cmd_yaffs_tracemask(unsigned set, unsigned mask)
	145	{
	146	if (set)
	147	yaffs_trace_mask = mask;
	148
	149	printf("yaffs trace mask: %08x\n", yaffs_trace_mask);
	150	}
	151
	152	static int yaffs_regions_overlap(int a, int b, int x, int y)
	153	{
	154	return (a <= x && x <= b) \|\|
	155	(a <= y && y <= b) \|\|
	156	(x <= a && a <= y) \|\|
	157	(x <= b && b <= y);
	158	}
	159
	160	void cmd_yaffs_devconfig(char *_mp, int flash_dev,
	161	int start_block, int end_block)
	162	{
	163	struct mtd_info *mtd = NULL;
	164	struct yaffs_dev *dev = NULL;
	165	struct yaffs_dev *chk;
	166	char *mp = NULL;
	167	struct nand_chip *chip;
	168
	169	dev = calloc(1, sizeof(*dev));
	170	mp = strdup(_mp);
	171
b616d9b0	172	mtd = nand_info[flash_dev];
753ac610 CM	173
	174	if (!dev \|\| !mp) {
	175	/* Alloc error */
	176	printf("Failed to allocate memory\n");
	177	goto err;
	178	}
	179
	180	if (flash_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
	181	printf("Flash device invalid\n");
	182	goto err;
	183	}
	184
	185	if (end_block == 0)
6b44adc2	186	end_block = lldiv(mtd->size, mtd->erasesize - 1);
753ac610 CM	187
	188	if (end_block < start_block) {
	189	printf("Bad start/end\n");
	190	goto err;
	191	}
	192
	193	chip = mtd->priv;
	194
	195	/* Check for any conflicts */
	196	yaffs_dev_rewind();
	197	while (1) {
	198	chk = yaffs_next_dev();
	199	if (!chk)
	200	break;
	201	if (strcmp(chk->param.name, mp) == 0) {
	202	printf("Mount point name already used\n");
	203	goto err;
	204	}
	205	if (chk->driver_context == mtd &&
	206	yaffs_regions_overlap(
	207	chk->param.start_block, chk->param.end_block,
	208	start_block, end_block)) {
	209	printf("Region overlaps with partition %s\n",
	210	chk->param.name);
	211	goto err;
	212	}
	213
	214	}
	215
	216	/* Seems sane, so configure */
	217	memset(dev, 0, sizeof(*dev));
	218	dev->param.name = mp;
	219	dev->driver_context = mtd;
	220	dev->param.start_block = start_block;
	221	dev->param.end_block = end_block;
	222	dev->param.chunks_per_block = mtd->erasesize / mtd->writesize;
	223	dev->param.total_bytes_per_chunk = mtd->writesize;
	224	dev->param.is_yaffs2 = 1;
	225	dev->param.use_nand_ecc = 1;
	226	dev->param.n_reserved_blocks = 5;
	227	if (chip->ecc.layout->oobavail < sizeof(struct yaffs_packed_tags2))
	228	dev->param.inband_tags = 1;
	229	dev->param.n_caches = 10;
	230	dev->param.write_chunk_tags_fn = nandmtd2_write_chunk_tags;
	231	dev->param.read_chunk_tags_fn = nandmtd2_read_chunk_tags;
	232	dev->param.erase_fn = nandmtd_EraseBlockInNAND;
	233	dev->param.initialise_flash_fn = nandmtd_InitialiseNAND;
	234	dev->param.bad_block_fn = nandmtd2_MarkNANDBlockBad;
	235	dev->param.query_block_fn = nandmtd2_QueryNANDBlock;
	236
	237	yaffs_add_device(dev);
	238
	239	printf("Configures yaffs mount %s: dev %d start block %d, end block %d %s\n",
	240	mp, flash_dev, start_block, end_block,
	241	dev->param.inband_tags ? "using inband tags" : "");
	242	return;
	243
	244	err:
	245	free(dev);
	246	free(mp);
	247	}
	248
	249	void cmd_yaffs_dev_ls(void)
	250	{
251	struct yaffs_dev *dev;
252	int flash_dev;
253	int free_space;
254
255	yaffs_dev_rewind();
256
257	while (1) {
258	dev = yaffs_next_dev();
259	if (!dev)
260	return;
b616d9b0	261	flash_dev = nand_mtd_to_devnum(dev->driver_context);
753ac610 CM	262	printf("%-10s %5d 0x%05x 0x%05x %s",
	263	dev->param.name, flash_dev,
	264	dev->param.start_block, dev->param.end_block,
	265	dev->param.inband_tags ? "using inband tags, " : "");
	266
	267	free_space = yaffs_freespace(dev->param.name);
	268	if (free_space < 0)
	269	printf("not mounted\n");
	270	else
	271	printf("free 0x%x\n", free_space);
	272
	273	}
	274	}
	275
	276	void make_a_file(char *yaffsName, char bval, int sizeOfFile)
	277	{
	278	int outh;
	279	int i;
	280	unsigned char buffer[100];
	281
	282	outh = yaffs_open(yaffsName,
	283	O_CREAT \| O_RDWR \| O_TRUNC,
	284	S_IREAD \| S_IWRITE);
	285	if (outh < 0) {
	286	printf("Error opening file: %d. %s\n", outh, yaffs_error_str());
	287	return;
	288	}
	289
	290	memset(buffer, bval, 100);
	291
	292	do {
	293	i = sizeOfFile;
	294	if (i > 100)
	295	i = 100;
	296	sizeOfFile -= i;
	297
	298	yaffs_write(outh, buffer, i);
	299
	300	} while (sizeOfFile > 0);
	301
	302
	303	yaffs_close(outh);
	304	}
	305
	306	void read_a_file(char *fn)
	307	{
	308	int h;
	309	int i = 0;
	310	unsigned char b;
	311
	312	h = yaffs_open(fn, O_RDWR, 0);
	313	if (h < 0) {
	314	printf("File not found\n");
	315	return;
	316	}
	317
	318	while (yaffs_read(h, &b, 1) > 0) {
	319	printf("%02x ", b);
	320	i++;
	321	if (i > 32) {
	322	printf("\n");
	323	i = 0;;
	324	}
	325	}
326	printf("\n");
327	yaffs_close(h);
328	}
329
330	void cmd_yaffs_mount(char *mp)
331	{
332	int retval = yaffs_mount(mp);
333	if (retval < 0)
334	printf("Error mounting %s, return value: %d, %s\n", mp,
335	yaffsfs_GetError(), yaffs_error_str());
336	}
337
338
339	void cmd_yaffs_umount(char *mp)
340	{
341	if (yaffs_unmount(mp) == -1)
342	printf("Error umounting %s, return value: %d, %s\n", mp,
343	yaffsfs_GetError(), yaffs_error_str());
344	}
345
346	void cmd_yaffs_write_file(char *yaffsName, char bval, int sizeOfFile)
347	{
348	make_a_file(yaffsName, bval, sizeOfFile);
349	}
350
351
352	void cmd_yaffs_read_file(char *fn)
353	{
354	read_a_file(fn);
355	}
356
357
358	void cmd_yaffs_mread_file(char fn, char addr)
359	{
360	int h;
361	struct yaffs_stat s;
362
363	yaffs_stat(fn, &s);
364
365	printf("Copy %s to 0x%p... ", fn, addr);
366	h = yaffs_open(fn, O_RDWR, 0);
367	if (h < 0) {
368	printf("File not found\n");
369	return;
370	}
371
372	yaffs_read(h, addr, (int)s.st_size);
373	printf("\t[DONE]\n");
374
375	yaffs_close(h);
376	}
377
378
379	void cmd_yaffs_mwrite_file(char fn, char addr, int size)
380	{
381	int outh;
382
383	outh = yaffs_open(fn, O_CREAT \| O_RDWR \| O_TRUNC, S_IREAD \| S_IWRITE);
384	if (outh < 0)
385	printf("Error opening file: %d, %s\n", outh, yaffs_error_str());
386
387	yaffs_write(outh, addr, size);
388
389	yaffs_close(outh);
390	}
391
392
393	void cmd_yaffs_ls(const char *mountpt, int longlist)
394	{
395	int i;
396	yaffs_DIR *d;
397	struct yaffs_dirent *de;
398	struct yaffs_stat stat;
399	char tempstr[255];
400
401	d = yaffs_opendir(mountpt);
402
403	if (!d) {
404	printf("opendir failed, %s\n", yaffs_error_str());
405	return;
406	}
407
408	for (i = 0; (de = yaffs_readdir(d)) != NULL; i++) {
409	if (longlist) {
410	sprintf(tempstr, "%s/%s", mountpt, de->d_name);
411	yaffs_lstat(tempstr, &stat);
412	printf("%-25s\t%7ld",
413	de->d_name,
414	(long)stat.st_size);
415	printf(" %5d %s\n",
416	stat.st_ino,
417	yaffs_file_type_str(&stat));
418	} else {
419	printf("%s\n", de->d_name);
420	}
421	}
422
423	yaffs_closedir(d);
424	}
425
426
427	void cmd_yaffs_mkdir(const char *dir)
428	{
429	int retval = yaffs_mkdir(dir, 0);
430
431	if (retval < 0)
432	printf("yaffs_mkdir returning error: %d, %s\n",
433	retval, yaffs_error_str());
434	}
435
436	void cmd_yaffs_rmdir(const char *dir)
437	{
438	int retval = yaffs_rmdir(dir);
439
440	if (retval < 0)
441	printf("yaffs_rmdir returning error: %d, %s\n",
442	retval, yaffs_error_str());
443	}
444
445	void cmd_yaffs_rm(const char *path)
446	{
447	int retval = yaffs_unlink(path);
448
449	if (retval < 0)
450	printf("yaffs_unlink returning error: %d, %s\n",
451	retval, yaffs_error_str());
452	}
453
454	void cmd_yaffs_mv(const char oldPath, const char newPath)
455	{
456	int retval = yaffs_rename(newPath, oldPath);
457
458	if (retval < 0)
459	printf("yaffs_unlink returning error: %d, %s\n",
460	retval, yaffs_error_str());
461	}