[u-boot.git] / common / cmd_ext_common.c

/*
 * (C) Copyright 2011 - 2012 Samsung Electronics
 * EXT2/4 filesystem implementation in Uboot by
 * Uma Shankar <[email protected]>
 * Manjunatha C Achar <[email protected]>
 *
 * Ext4fs support
 * made from existing cmd_ext2.c file of Uboot
 *
 * (C) Copyright 2004
 * esd gmbh <www.esd-electronics.com>
 * Reinhard Arlt <[email protected]>
 *
 * made from cmd_reiserfs by
 *
 * (C) Copyright 2003 - 2004
 * Sysgo Real-Time Solutions, AG <www.elinos.com>
 * Pavel Bartusek <[email protected]>
 *
 * 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
 *
 */

/*
 * Changelog:
 *	0.1 - Newly created file for ext4fs support. Taken from cmd_ext2.c
 *	        file in uboot. Added ext4fs ls load and write support.
 */

#include <common.h>
#include <part.h>
#include <config.h>
#include <command.h>
#include <image.h>
#include <linux/ctype.h>
#include <asm/byteorder.h>
#include <ext_common.h>
#include <ext4fs.h>
#include <linux/stat.h>
#include <malloc.h>

#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
#include <usb.h>
#endif

#if !defined(CONFIG_DOS_PARTITION) && !defined(CONFIG_EFI_PARTITION)
#error DOS or EFI partition support must be selected
#endif

#define DOS_PART_MAGIC_OFFSET		0x1fe
#define DOS_FS_TYPE_OFFSET		0x36
#define DOS_FS32_TYPE_OFFSET		0x52

int do_ext_load(cmd_tbl_t *cmdtp, int flag, int argc,
						char *const argv[])
{
	char *filename = NULL;
	int dev, part;
	ulong addr = 0;
	int filelen;
	disk_partition_t info;
	block_dev_desc_t *dev_desc;
	char buf[12];
	unsigned long count;
	const char *addr_str;

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

		break;
	case 4:
		break;
	case 5:
		filename = argv[4];
		break;
	case 6:
		filename = argv[4];
		count = simple_strtoul(argv[5], NULL, 16);
		break;

	default:
		return cmd_usage(cmdtp);
	}

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

	part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
	if (part < 0)
		return 1;

	dev = dev_desc->dev;
	printf("Loading file \"%s\" from %s device %d%c%c\n",
		filename, argv[1], dev,
		part ? ':' : ' ', part ? part + '0' : ' ');

	ext4fs_set_blk_dev(dev_desc, &info);

	if (!ext4fs_mount(info.size)) {
		printf("** Bad ext2 partition or disk - %s %d:%d **\n",
		       argv[1], dev, part);
		ext4fs_close();
		goto fail;
	}

	filelen = ext4fs_open(filename);
	if (filelen < 0) {
		printf("** File not found %s\n", filename);
		ext4fs_close();
		goto fail;
	}
	if ((count < filelen) && (count != 0))
		filelen = count;

	if (ext4fs_read((char *)addr, filelen) != filelen) {
		printf("** Unable to read \"%s\" from %s %d:%d **\n",
		       filename, argv[1], dev, part);
		ext4fs_close();
		goto fail;
	}

	ext4fs_close();
	/* Loading ok, update default load address */
	load_addr = addr;

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

	return 0;
fail:
	return 1;
}

int do_ext_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
	const char *filename = "/";
	int dev;
	int part;
	block_dev_desc_t *dev_desc;
	disk_partition_t info;

	if (argc < 2)
		return cmd_usage(cmdtp);

	part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
	if (part < 0)
		return 1;

	if (argc == 4)
		filename = argv[3];

	dev = dev_desc->dev;
	ext4fs_set_blk_dev(dev_desc, &info);

	if (!ext4fs_mount(info.size)) {
		printf("** Bad ext2 partition or disk - %s %d:%d **\n",
		       argv[1], dev, part);
		ext4fs_close();
		goto fail;
	}

	if (ext4fs_ls(filename)) {
		printf("** Error extfs_ls() **\n");
		ext4fs_close();
		goto fail;
	};

	ext4fs_close();
	return 0;

fail:
	return 1;
}
Commit	Line	Data
a1596438 US	1	/*
	2	* (C) Copyright 2011 - 2012 Samsung Electronics
	3	* EXT2/4 filesystem implementation in Uboot by
	4	* Uma Shankar <[email protected]>
	5	* Manjunatha C Achar <[email protected]>
	6	*
	7	* Ext4fs support
	8	* made from existing cmd_ext2.c file of Uboot
	9	*
	10	* (C) Copyright 2004
	11	* esd gmbh <www.esd-electronics.com>
	12	* Reinhard Arlt <[email protected]>
	13	*
	14	* made from cmd_reiserfs by
	15	*
	16	* (C) Copyright 2003 - 2004
	17	* Sysgo Real-Time Solutions, AG <www.elinos.com>
	18	* Pavel Bartusek <[email protected]>
	19	*
	20	* This program is free software; you can redistribute it and/or
	21	* modify it under the terms of the GNU General Public License as
	22	* published by the Free Software Foundation; either version 2 of
	23	* the License, or (at your option) any later version.
	24	*
	25	* This program is distributed in the hope that it will be useful,
	26	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	27	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	28	* GNU General Public License for more details.
	29	*
	30	* You should have received a copy of the GNU General Public License
	31	* along with this program; if not, write to the Free Software
	32	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	33	* MA 02111-1307 USA
	34	*
	35	*/
	36
	37	/*
	38	* Changelog:
	39	* 0.1 - Newly created file for ext4fs support. Taken from cmd_ext2.c
	40	* file in uboot. Added ext4fs ls load and write support.
	41	*/
	42
	43	#include <common.h>
	44	#include <part.h>
	45	#include <config.h>
	46	#include <command.h>
	47	#include <image.h>
	48	#include <linux/ctype.h>
	49	#include <asm/byteorder.h>
	50	#include <ext_common.h>
	51	#include <ext4fs.h>
	52	#include <linux/stat.h>
	53	#include <malloc.h>
	54
	55	#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
	56	#include <usb.h>
	57	#endif
	58
	59	#if !defined(CONFIG_DOS_PARTITION) && !defined(CONFIG_EFI_PARTITION)
	60	#error DOS or EFI partition support must be selected
	61	#endif
	62
	63	#define DOS_PART_MAGIC_OFFSET 0x1fe
	64	#define DOS_FS_TYPE_OFFSET 0x36
65	#define DOS_FS32_TYPE_OFFSET 0x52
66
67	int do_ext_load(cmd_tbl_t *cmdtp, int flag, int argc,
68	char *const argv[])
69	{
70	char *filename = NULL;
81180819	71	int dev, part;
a1596438	72	ulong addr = 0;
a1596438 US	73	int filelen;
a1596438 US	74	disk_partition_t info;
81180819	75	block_dev_desc_t *dev_desc;
a1596438 US	76	char buf[12];
	77	unsigned long count;
	78	const char *addr_str;
	79
	80	count = 0;
	81	addr = simple_strtoul(argv[3], NULL, 16);
	82	filename = getenv("bootfile");
	83	switch (argc) {
	84	case 3:
	85	addr_str = getenv("loadaddr");
	86	if (addr_str != NULL)
	87	addr = simple_strtoul(addr_str, NULL, 16);
	88	else
	89	addr = CONFIG_SYS_LOAD_ADDR;
	90
	91	break;
	92	case 4:
	93	break;
	94	case 5:
	95	filename = argv[4];
	96	break;
	97	case 6:
	98	filename = argv[4];
	99	count = simple_strtoul(argv[5], NULL, 16);
	100	break;
	101
	102	default:
	103	return cmd_usage(cmdtp);
	104	}
	105
	106	if (!filename) {
	107	puts(" No boot file defined \n");
	108	return 1;
	109	}
	110
10a37fd7	111	part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
81180819	112	if (part < 0)
a1596438	113	return 1;
a1596438	114
81180819 RH	115	dev = dev_desc->dev;
	116	printf("Loading file \"%s\" from %s device %d%c%c\n",
	117	filename, argv[1], dev,
	118	part ? ':' : ' ', part ? part + '0' : ' ');
a1596438	119
81180819	120	ext4fs_set_blk_dev(dev_desc, &info);
a1596438	121
81180819 RH	122	if (!ext4fs_mount(info.size)) {
81180819 RH	123	printf(" Bad ext2 partition or disk - %s %d:%d \n",
a1596438 US	124	argv[1], dev, part);
	125	ext4fs_close();
	126	goto fail;
	127	}
	128
	129	filelen = ext4fs_open(filename);
	130	if (filelen < 0) {
	131	printf("** File not found %s\n", filename);
	132	ext4fs_close();
	133	goto fail;
	134	}
	135	if ((count < filelen) && (count != 0))
	136	filelen = count;
	137
	138	if (ext4fs_read((char *)addr, filelen) != filelen) {
81180819	139	printf(" Unable to read \"%s\" from %s %d:%d \n",
a1596438 US	140	filename, argv[1], dev, part);
	141	ext4fs_close();
	142	goto fail;
	143	}
	144
	145	ext4fs_close();
a1596438 US	146	/* Loading ok, update default load address */
	147	load_addr = addr;
	148
	149	printf("%d bytes read\n", filelen);
	150	sprintf(buf, "%X", filelen);
	151	setenv("filesize", buf);
	152
	153	return 0;
	154	fail:
a1596438 US	155	return 1;
	156	}
	157
	158	int do_ext_ls(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
	159	{
	160	const char *filename = "/";
	161	int dev;
81180819 RH	162	int part;
	163	block_dev_desc_t *dev_desc;
	164	disk_partition_t info;
a1596438	165
81180819 RH	166	if (argc < 2)
81180819 RH	167	return cmd_usage(cmdtp);
a1596438	168
10a37fd7	169	part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
81180819	170	if (part < 0)
a1596438	171	return 1;
a1596438 US	172
	173	if (argc == 4)
	174	filename = argv[3];
	175
81180819 RH	176	dev = dev_desc->dev;
81180819 RH	177	ext4fs_set_blk_dev(dev_desc, &info);
a1596438	178
81180819 RH	179	if (!ext4fs_mount(info.size)) {
81180819 RH	180	printf(" Bad ext2 partition or disk - %s %d:%d \n",
a1596438 US	181	argv[1], dev, part);
	182	ext4fs_close();
	183	goto fail;
	184	}
	185
	186	if (ext4fs_ls(filename)) {
	187	printf(" Error extfs_ls() \n");
	188	ext4fs_close();
	189	goto fail;
	190	};
	191
	192	ext4fs_close();
a1596438 US	193	return 0;
	194
	195	fail:
a1596438 US	196	return 1;
a1596438 US	197	}