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/*
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* (C) Copyright 2004 |
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* esd gmbh <www.esd-electronics.com> |
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* Reinhard Arlt <reinhard.arlt@esd-electronics.com> |
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* |
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* made from cmd_reiserfs by |
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* |
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* (C) Copyright 2003 - 2004 |
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* Sysgo Real-Time Solutions, AG <www.elinos.com> |
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* Pavel Bartusek <pba@sysgo.com> |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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* |
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*/ |
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/*
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* Ext2fs support |
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*/ |
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#include <common.h> |
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#if (CONFIG_COMMANDS & CFG_CMD_EXT2) |
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#include <config.h> |
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#include <command.h> |
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#include <image.h> |
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#include <linux/ctype.h> |
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#include <asm/byteorder.h> |
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#include <ext2fs.h> |
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#ifndef CONFIG_DOS_PARTITION |
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#error DOS partition support must be selected |
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#endif |
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/* #define EXT2_DEBUG */ |
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#ifdef EXT2_DEBUG |
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#define PRINTF(fmt,args...) printf (fmt ,##args) |
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#else |
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#define PRINTF(fmt,args...) |
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#endif |
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static block_dev_desc_t *get_dev (char* ifname, int dev) |
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{ |
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#if (CONFIG_COMMANDS & CFG_CMD_IDE) |
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if (strncmp(ifname,"ide",3)==0) { |
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extern block_dev_desc_t * ide_get_dev(int dev); |
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return((dev >= CFG_IDE_MAXDEVICE) ? NULL : ide_get_dev(dev)); |
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} |
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#endif |
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#if (CONFIG_COMMANDS & CFG_CMD_SCSI) |
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if (strncmp(ifname,"scsi",4)==0) { |
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extern block_dev_desc_t * scsi_get_dev(int dev); |
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return((dev >= CFG_SCSI_MAXDEVICE) ? NULL : scsi_get_dev(dev)); |
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} |
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#endif |
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#if ((CONFIG_COMMANDS & CFG_CMD_USB) && defined(CONFIG_USB_STORAGE)) |
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if (strncmp(ifname,"usb",3)==0) { |
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extern block_dev_desc_t * usb_stor_get_dev(int dev); |
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return((dev >= USB_MAX_STOR_DEV) ? NULL : usb_stor_get_dev(dev)); |
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} |
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#endif |
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#if defined(CONFIG_MMC) |
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if (strncmp(ifname,"mmc",3)==0) { |
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extern block_dev_desc_t * mmc_get_dev(int dev); |
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return((dev >= 1) ? NULL : mmc_get_dev(dev)); |
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} |
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#endif |
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#if defined(CONFIG_SYSTEMACE) |
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if (strcmp(ifname,"ace")==0) { |
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extern block_dev_desc_t * systemace_get_dev(int dev); |
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return((dev >= 1) ? NULL : systemace_get_dev(dev)); |
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} |
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#endif |
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return(NULL); |
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} |
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int do_ext2ls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
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{ |
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char *filename = "/"; |
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int dev=0; |
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int part=1; |
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char *ep; |
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block_dev_desc_t *dev_desc=NULL; |
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int part_length; |
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if (argc < 3) { |
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printf ("Usage:\n%s\n", cmdtp->usage); |
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return(1); |
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} |
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dev = (int)simple_strtoul (argv[2], &ep, 16); |
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dev_desc=get_dev(argv[1],dev); |
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if (dev_desc == NULL) { |
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printf ("\n** Block device %s %d not supported\n", argv[1], dev); |
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return(1); |
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} |
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if (*ep) { |
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if (*ep != ':') { |
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puts ("\n** Invalid boot device, use `dev[:part]' **\n"); |
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return(1); |
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} |
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part = (int)simple_strtoul(++ep, NULL, 16); |
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} |
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if (argc == 4) { |
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filename = argv[3]; |
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} |
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PRINTF("Using device %s %d:%d, directory: %s\n", argv[1], dev, part, filename); |
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if ((part_length = ext2fs_set_blk_dev(dev_desc, part)) == 0) { |
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printf ("** Bad partition - %s %d:%d **\n", argv[1], dev, part); |
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ext2fs_close(); |
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return(1); |
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} |
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if (!ext2fs_mount(part_length)) { |
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printf ("** Bad ext2 partition or disk - %s %d:%d **\n", argv[1], dev, part); |
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ext2fs_close(); |
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return(1); |
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} |
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if (ext2fs_ls (filename)) { |
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printf ("** Error ext2fs_ls() **\n"); |
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ext2fs_close(); |
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return(1); |
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}; |
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ext2fs_close(); |
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return(0); |
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} |
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U_BOOT_CMD( |
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ext2ls, 4, 1, do_ext2ls, |
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"ext2ls- list files in a directory (default /)\n", |
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"<interface> <dev[:part]> [directory]\n" |
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" - list files from 'dev' on 'interface' in a 'directory'\n" |
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); |
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/******************************************************************************
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* Ext2fs boot command intepreter. Derived from diskboot |
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*/ |
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int do_ext2load (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
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{ |
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char *filename = NULL; |
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char *ep; |
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int dev, part = 0; |
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ulong addr = 0, part_length, filelen; |
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disk_partition_t info; |
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block_dev_desc_t *dev_desc = NULL; |
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char buf [12]; |
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unsigned long count; |
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char *addr_str; |
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switch (argc) { |
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case 3: |
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addr_str = getenv("loadaddr"); |
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if (addr_str != NULL) { |
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addr = simple_strtoul (addr_str, NULL, 16); |
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} else { |
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addr = CFG_LOAD_ADDR; |
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} |
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filename = getenv ("bootfile"); |
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count = 0; |
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break; |
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case 4: |
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addr = simple_strtoul (argv[3], NULL, 16); |
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filename = getenv ("bootfile"); |
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count = 0; |
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break; |
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case 5: |
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addr = simple_strtoul (argv[3], NULL, 16); |
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filename = argv[4]; |
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count = 0; |
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break; |
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case 6: |
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addr = simple_strtoul (argv[3], NULL, 16); |
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filename = argv[4]; |
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count = simple_strtoul (argv[5], NULL, 16); |
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break; |
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default: |
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printf ("Usage:\n%s\n", cmdtp->usage); |
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return(1); |
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} |
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if (!filename) { |
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puts ("\n** No boot file defined **\n"); |
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return(1); |
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} |
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dev = (int)simple_strtoul (argv[2], &ep, 16); |
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dev_desc=get_dev(argv[1],dev); |
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if (dev_desc==NULL) { |
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printf ("\n** Block device %s %d not supported\n", argv[1], dev); |
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return(1); |
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} |
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if (*ep) { |
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if (*ep != ':') { |
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puts ("\n** Invalid boot device, use `dev[:part]' **\n"); |
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return(1); |
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} |
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part = (int)simple_strtoul(++ep, NULL, 16); |
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} |
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PRINTF("Using device %s%d, partition %d\n", argv[1], dev, part); |
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if (part != 0) { |
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if (get_partition_info (&dev_desc[dev], part, &info)) { |
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printf ("** Bad partition %d **\n", part); |
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return(1); |
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} |
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if (strncmp(info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) { |
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printf ("\n** Invalid partition type \"%.32s\"" |
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" (expect \"" BOOT_PART_TYPE "\")\n", |
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info.type); |
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return(1); |
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} |
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PRINTF ("\nLoading from block device %s device %d, partition %d: " |
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"Name: %.32s Type: %.32s File:%s\n", |
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argv[1], dev, part, info.name, info.type, filename); |
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} else { |
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PRINTF ("\nLoading from block device %s device %d, File:%s\n", |
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argv[1], dev, filename); |
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} |
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if ((part_length = ext2fs_set_blk_dev(dev_desc, part)) == 0) { |
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printf ("** Bad partition - %s %d:%d **\n", argv[1], dev, part); |
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ext2fs_close(); |
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return(1); |
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} |
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if (!ext2fs_mount(part_length)) { |
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printf ("** Bad ext2 partition or disk - %s %d:%d **\n", argv[1], dev, part); |
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ext2fs_close(); |
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return(1); |
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} |
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filelen = ext2fs_open(filename); |
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if (filelen < 0) { |
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printf("** File not found %s\n", filename); |
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ext2fs_close(); |
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return(1); |
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} |
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if ((count < filelen) && (count != 0)) { |
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filelen = count; |
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} |
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if (ext2fs_read((char *)addr, filelen) != filelen) { |
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printf("\n** Unable to read \"%s\" from %s %d:%d **\n", filename, argv[1], dev, part); |
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ext2fs_close(); |
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return(1); |
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} |
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ext2fs_close(); |
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/* Loading ok, update default load address */ |
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load_addr = addr; |
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printf ("\n%ld bytes read\n", filelen); |
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sprintf(buf, "%lX", filelen); |
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setenv("filesize", buf); |
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return(filelen); |
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} |
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U_BOOT_CMD( |
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ext2load, 6, 0, do_ext2load, |
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"ext2load- load binary file from a Ext2 filesystem\n", |
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"<interface> <dev[:part]> [addr] [filename] [bytes]\n" |
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" - load binary file 'filename' from 'dev' on 'interface'\n" |
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" to address 'addr' from ext2 filesystem\n" |
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); |
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#endif /* CONFIG_COMMANDS & CFG_CMD_EXT2 */ |
@ -0,0 +1,81 @@ |
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/*
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* GRUB -- GRand Unified Bootloader |
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* Copyright (C) 2000, 2001 Free Software Foundation, Inc. |
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* |
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* (C) Copyright 2003 Sysgo Real-Time Solutions, AG <www.elinos.com> |
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* Pavel Bartusek <pba@sysgo.de> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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/* An implementation for the Ext2FS filesystem ported from GRUB.
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* Some parts of this code (mainly the structures and defines) are |
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* from the original ext2 fs code, as found in the linux kernel. |
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*/ |
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#define SECTOR_SIZE 0x200 |
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#define SECTOR_BITS 9 |
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/* Error codes */ |
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typedef enum |
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{ |
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ERR_NONE = 0, |
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ERR_BAD_FILENAME, |
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ERR_BAD_FILETYPE, |
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ERR_BAD_GZIP_DATA, |
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ERR_BAD_GZIP_HEADER, |
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ERR_BAD_PART_TABLE, |
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ERR_BAD_VERSION, |
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ERR_BELOW_1MB, |
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ERR_BOOT_COMMAND, |
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ERR_BOOT_FAILURE, |
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ERR_BOOT_FEATURES, |
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ERR_DEV_FORMAT, |
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ERR_DEV_VALUES, |
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ERR_EXEC_FORMAT, |
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ERR_FILELENGTH, |
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ERR_FILE_NOT_FOUND, |
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ERR_FSYS_CORRUPT, |
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ERR_FSYS_MOUNT, |
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ERR_GEOM, |
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ERR_NEED_LX_KERNEL, |
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ERR_NEED_MB_KERNEL, |
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ERR_NO_DISK, |
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ERR_NO_PART, |
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ERR_NUMBER_PARSING, |
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ERR_OUTSIDE_PART, |
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ERR_READ, |
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ERR_SYMLINK_LOOP, |
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ERR_UNRECOGNIZED, |
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ERR_WONT_FIT, |
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ERR_WRITE, |
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ERR_BAD_ARGUMENT, |
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ERR_UNALIGNED, |
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ERR_PRIVILEGED, |
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ERR_DEV_NEED_INIT, |
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ERR_NO_DISK_SPACE, |
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ERR_NUMBER_OVERFLOW, |
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MAX_ERR_NUM |
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} ext2fs_error_t; |
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extern int ext2fs_set_blk_dev(block_dev_desc_t *rbdd, int part); |
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extern int ext2fs_ls (char *dirname); |
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extern int ext2fs_open (char *filename); |
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extern int ext2fs_read (char *buf, unsigned len); |
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extern int ext2fs_mount (unsigned part_length); |
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extern int ext2fs_close(void); |
Loading…
Reference in new issue