diff options
Diffstat (limited to 'common/cmd_ext2.c')
| -rw-r--r-- | common/cmd_ext2.c | 294 | 
1 files changed, 294 insertions, 0 deletions
| diff --git a/common/cmd_ext2.c b/common/cmd_ext2.c new file mode 100644 index 000000000..f8e04ed82 --- /dev/null +++ b/common/cmd_ext2.c @@ -0,0 +1,294 @@ +/* + * (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 = 0; +	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 */ |