summaryrefslogtreecommitdiff
path: root/common/cmd_ext2.c
blob: 75afb320ecc1cf555072c37b7d33eac37ee6db18 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
/*
 * (C) Copyright 2004
 * esd gmbh <www.esd-electronics.com>
 * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
 *
 * made from cmd_reiserfs by
 *
 * (C) Copyright 2003 - 2004
 * Sysgo Real-Time Solutions, AG <www.elinos.com>
 * Pavel Bartusek <pba@sysgo.com>
 *
 * 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
 *
 */

/*
 * Ext2fs support
 */
#include <common.h>

#if (CONFIG_COMMANDS & CFG_CMD_EXT2)
#include <config.h>
#include <command.h>
#include <image.h>
#include <linux/ctype.h>
#include <asm/byteorder.h>
#include <ext2fs.h>

#ifndef CONFIG_DOS_PARTITION
#error DOS partition support must be selected
#endif

/* #define	EXT2_DEBUG */

#ifdef	EXT2_DEBUG
#define	PRINTF(fmt,args...)	printf (fmt ,##args)
#else
#define PRINTF(fmt,args...)
#endif

static block_dev_desc_t *get_dev (char* ifname, int dev)
{
#if (CONFIG_COMMANDS & CFG_CMD_IDE)
	if (strncmp(ifname,"ide",3)==0) {
		extern block_dev_desc_t * ide_get_dev(int dev);
		return((dev >= CFG_IDE_MAXDEVICE) ? NULL : ide_get_dev(dev));
	}
#endif
#if (CONFIG_COMMANDS & CFG_CMD_SCSI)
	if (strncmp(ifname,"scsi",4)==0) {
		extern block_dev_desc_t * scsi_get_dev(int dev);
		return((dev >= CFG_SCSI_MAXDEVICE) ? NULL : scsi_get_dev(dev));
	}
#endif
#if ((CONFIG_COMMANDS & CFG_CMD_USB) && defined(CONFIG_USB_STORAGE))
	if (strncmp(ifname,"usb",3)==0) {
		extern block_dev_desc_t * usb_stor_get_dev(int dev);
		return((dev >= USB_MAX_STOR_DEV) ? NULL : usb_stor_get_dev(dev));
	}
#endif
#if defined(CONFIG_MMC)
	if (strncmp(ifname,"mmc",3)==0) {
		extern block_dev_desc_t *  mmc_get_dev(int dev);
		return((dev >= 1) ? NULL : mmc_get_dev(dev));
	}
#endif
#if defined(CONFIG_SYSTEMACE)
	if (strcmp(ifname,"ace")==0) {
		extern block_dev_desc_t *  systemace_get_dev(int dev);
		return((dev >= 1) ? NULL : systemace_get_dev(dev));
	}
#endif
	return(NULL);
}

int do_ext2ls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	char *filename = "/";
	int dev=0;
	int part=1;
	char *ep;
	block_dev_desc_t *dev_desc=NULL;
	int part_length;

	if (argc < 3) {
		printf ("Usage:\n%s\n", cmdtp->usage);
		return(1);
	}
	dev = (int)simple_strtoul (argv[2], &ep, 16);
	dev_desc=get_dev(argv[1],dev);

	if (dev_desc == NULL) {
		printf ("\n** Block device %s %d not supported\n", argv[1], dev);
		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 (argc == 4) {
	    filename = argv[3];
	}

	PRINTF("Using device %s %d:%d, directory: %s\n", argv[1], dev, part, filename);

	if ((part_length = ext2fs_set_blk_dev(dev_desc, part)) == 0) {
		printf ("** Bad partition - %s %d:%d **\n",  argv[1], dev, part);
		ext2fs_close();
		return(1);
	}

	if (!ext2fs_mount(part_length)) {
		printf ("** Bad ext2 partition or disk - %s %d:%d **\n",  argv[1], dev, part);
		ext2fs_close();
		return(1);
	}

	if (ext2fs_ls (filename)) {
		printf ("** Error ext2fs_ls() **\n");
		ext2fs_close();
		return(1);
	};

	ext2fs_close();

	return(0);
}

U_BOOT_CMD(
	ext2ls,	4,	1,	do_ext2ls,
	"ext2ls- list files in a directory (default /)\n",
	"<interface> <dev[:part]> [directory]\n"
	"    - list files from 'dev' on 'interface' in a 'directory'\n"
);

/******************************************************************************
 * Ext2fs boot command intepreter. Derived from diskboot
 */
int do_ext2load (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	char *filename = NULL;
	char *ep;
	int dev, part = 1;
	ulong addr = 0, part_length, filelen;
	disk_partition_t info;
	block_dev_desc_t *dev_desc = NULL;
	char buf [12];
	unsigned long count;
	char *addr_str;

	switch (argc) {
	case 3:
		addr_str = getenv("loadaddr");
		if (addr_str != NULL) {
			addr = simple_strtoul (addr_str, NULL, 16);
		} else {
			addr = CFG_LOAD_ADDR;
		}
		filename = getenv ("bootfile");
		count = 0;
		break;
	case 4:
		addr = simple_strtoul (argv[3], NULL, 16);
		filename = getenv ("bootfile");
		count = 0;
		break;
	case 5:
		addr = simple_strtoul (argv[3], NULL, 16);
		filename = argv[4];
		count = 0;
		break;
	case 6:
		addr = simple_strtoul (argv[3], NULL, 16);
		filename = argv[4];
		count = simple_strtoul (argv[5], NULL, 16);
		break;

	default:
		printf ("Usage:\n%s\n", cmdtp->usage);
		return(1);
	}

	if (!filename) {
		puts ("\n** No boot file defined **\n");
		return(1);
	}

	dev = (int)simple_strtoul (argv[2], &ep, 16);
	dev_desc=get_dev(argv[1],dev);
	if (dev_desc==NULL) {
		printf ("\n** Block device %s %d not supported\n", argv[1], dev);
		return(1);
	}
	if (*ep) {
		if (*ep != ':') {
			puts ("\n** Invalid boot device, use `dev[:part]' **\n");
			return(1);
		}
		part = (int)simple_strtoul(++ep, NULL, 16);
	}

	PRINTF("Using device %s%d, partition %d\n", argv[1], dev, part);

	if (part != 0) {
		if (get_partition_info (&dev_desc[dev], part, &info)) {
			printf ("** Bad partition %d **\n", part);
			return(1);
		}

		if (strncmp(info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) {
			printf ("\n** Invalid partition type \"%.32s\""
				" (expect \"" BOOT_PART_TYPE "\")\n",
				info.type);
			return(1);
		}
		PRINTF ("\nLoading from block device %s device %d, partition %d: "
			"Name: %.32s  Type: %.32s  File:%s\n",
			argv[1], dev, part, info.name, info.type, filename);
	} else {
		PRINTF ("\nLoading from block device %s device %d, File:%s\n",
			argv[1], dev, filename);
	}


	if ((part_length = ext2fs_set_blk_dev(dev_desc, part)) == 0) {
		printf ("** Bad partition - %s %d:%d **\n",  argv[1], dev, part);
		ext2fs_close();
		return(1);
	}

	if (!ext2fs_mount(part_length)) {
		printf ("** Bad ext2 partition or disk - %s %d:%d **\n",  argv[1], dev, part);
		ext2fs_close();
		return(1);
	}

	filelen = ext2fs_open(filename);
	if (filelen < 0) {
		printf("** File not found %s\n", filename);
		ext2fs_close();
		return(1);
	}
	if ((count < filelen) && (count != 0)) {
	    filelen = count;
	}

	if (ext2fs_read((char *)addr, filelen) != filelen) {
		printf("\n** Unable to read \"%s\" from %s %d:%d **\n", filename, argv[1], dev, part);
		ext2fs_close();
		return(1);
	}

	ext2fs_close();

	/* Loading ok, update default load address */
	load_addr = addr;

	printf ("\n%ld bytes read\n", filelen);
	sprintf(buf, "%lX", filelen);
	setenv("filesize", buf);

	return(filelen);
}

U_BOOT_CMD(
	ext2load,	6,	0,	do_ext2load,
	"ext2load- load binary file from a Ext2 filesystem\n",
	"<interface> <dev[:part]> [addr] [filename] [bytes]\n"
	"    - load binary file 'filename' from 'dev' on 'interface'\n"
	"      to address 'addr' from ext2 filesystem\n"
);

#endif	/* CONFIG_COMMANDS & CFG_CMD_EXT2 */