common/cmd_ext2.c

   1 /*
   2  * (C) Copyright 2004
   3  * esd gmbh <www.esd-electronics.com>
   4  * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
   5  *
   6  * made from cmd_reiserfs by
   7  *
   8  * (C) Copyright 2003 - 2004
   9  * Sysgo Real-Time Solutions, AG <www.elinos.com>
  10  * Pavel Bartusek <pba@sysgo.com>
  11  *
  12  * See file CREDITS for list of people who contributed to this
  13  * project.
  14  *
  15  * This program is free software; you can redistribute it and/or
  16  * modify it under the terms of the GNU General Public License as
  17  * published by the Free Software Foundation; either version 2 of
  18  * the License, or (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, write to the Free Software
  27  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  28  * MA 02111-1307 USA
  29  *
  30  */
  31
  32 /*
  33  * Ext2fs support
  34  */
  35 #include <common.h>
  36 #include <part.h>
  37 #include <config.h>
  38 #include <command.h>
  39 #include <image.h>
  40 #include <linux/ctype.h>
  41 #include <asm/byteorder.h>
  42 #include <ext2fs.h>
  43 #if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
  44 #include <usb.h>
  45 #endif
  46
  47 #if !defined(CONFIG_DOS_PARTITION) && !defined(CONFIG_EFI_PARTITION)
  48 #error DOS or EFI partition support must be selected
  49 #endif
  50
  51 /* #define      EXT2_DEBUG */
  52
  53 #ifdef  EXT2_DEBUG
  54 #define PRINTF(fmt,args...)     printf (fmt ,##args)
  55 #else
  56 #define PRINTF(fmt,args...)
  57 #endif
  58
  59 int do_ext2ls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  60 {
  61         char *filename = "/";
  62         int dev=0;
  63         int part=1;
  64         char *ep;
  65         block_dev_desc_t *dev_desc=NULL;
  66         int part_length;
  67
  68         if (argc < 3)
  69                 return cmd_usage(cmdtp);
  70
  71         dev = (int)simple_strtoul (argv[2], &ep, 16);
  72         dev_desc = get_dev(argv[1],dev);
  73
  74         if (dev_desc == NULL) {
  75                 printf ("\n** Block device %s %d not supported\n", argv[1], dev);
  76                 return 1;
  77         }
  78
  79         if (*ep) {
  80                 if (*ep != ':') {
  81                         puts ("\n** Invalid boot device, use `dev[:part]' **\n");
  82                         return 1;
  83                 }
  84                 part = (int)simple_strtoul(++ep, NULL, 16);
  85         }
  86
  87         if (argc == 4)
  88                 filename = argv[3];
  89
  90         PRINTF("Using device %s %d:%d, directory: %s\n", argv[1], dev, part, filename);
  91
  92         if ((part_length = ext2fs_set_blk_dev(dev_desc, part)) == 0) {
  93                 printf ("** Bad partition - %s %d:%d **\n",  argv[1], dev, part);
  94                 ext2fs_close();
  95                 return 1;
  96         }
  97
  98         if (!ext2fs_mount(part_length)) {
  99                 printf ("** Bad ext2 partition or disk - %s %d:%d **\n",  argv[1], dev, part);
 100                 ext2fs_close();
 101                 return 1;
 102         }
 103
 104         if (ext2fs_ls (filename)) {
 105                 printf ("** Error ext2fs_ls() **\n");
 106                 ext2fs_close();
 107                 return 1;
 108         };
 109
 110         ext2fs_close();
 111
 112         return 0;
 113 }
 114
 115 U_BOOT_CMD(
 116         ext2ls, 4,      1,      do_ext2ls,
 117         "list files in a directory (default /)",
 118         "<interface> <dev[:part]> [directory]\n"
 119         "    - list files from 'dev' on 'interface' in a 'directory'"
 120 );
 121
 122 /******************************************************************************
 123  * Ext2fs boot command intepreter. Derived from diskboot
 124  */
 125 int do_ext2load (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 126 {
 127         char *filename = NULL;
 128         char *ep;
 129         int dev, part = 1;
 130         ulong addr = 0, part_length;
 131         int filelen;
 132         disk_partition_t info;
 133         block_dev_desc_t *dev_desc = NULL;
 134         char buf [12];
 135         unsigned long count;
 136         char *addr_str;
 137
 138         switch (argc) {
 139         case 3:
 140                 addr_str = getenv("loadaddr");
 141                 if (addr_str != NULL)
 142                         addr = simple_strtoul (addr_str, NULL, 16);
 143                 else
 144                         addr = CONFIG_SYS_LOAD_ADDR;
 145
 146                 filename = getenv ("bootfile");
 147                 count = 0;
 148                 break;
 149         case 4:
 150                 addr = simple_strtoul (argv[3], NULL, 16);
 151                 filename = getenv ("bootfile");
 152                 count = 0;
 153                 break;
 154         case 5:
 155                 addr = simple_strtoul (argv[3], NULL, 16);
 156                 filename = argv[4];
 157                 count = 0;
 158                 break;
 159         case 6:
 160                 addr = simple_strtoul (argv[3], NULL, 16);
 161                 filename = argv[4];
 162                 count = simple_strtoul (argv[5], NULL, 16);
 163                 break;
 164
 165         default:
 166                 return cmd_usage(cmdtp);
 167         }
 168
 169         if (!filename) {
 170                 puts ("** No boot file defined **\n");
 171                 return 1;
 172         }
 173
 174         dev = (int)simple_strtoul (argv[2], &ep, 16);
 175         dev_desc = get_dev(argv[1],dev);
 176         if (dev_desc==NULL) {
 177                 printf ("** Block device %s %d not supported\n", argv[1], dev);
 178                 return 1;
 179         }
 180         if (*ep) {
 181                 if (*ep != ':') {
 182                         puts ("** Invalid boot device, use `dev[:part]' **\n");
 183                         return 1;
 184                 }
 185                 part = (int)simple_strtoul(++ep, NULL, 16);
 186         }
 187
 188         PRINTF("Using device %s%d, partition %d\n", argv[1], dev, part);
 189
 190         if (part != 0) {
 191                 if (get_partition_info (dev_desc, part, &info)) {
 192                         printf ("** Bad partition %d **\n", part);
 193                         return 1;
 194                 }
 195
 196                 if (strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) {
 197                         printf ("** Invalid partition type \"%.32s\""
 198                                 " (expect \"" BOOT_PART_TYPE "\")\n",
 199                                 info.type);
 200                         return 1;
 201                 }
 202                 printf ("Loading file \"%s\" "
 203                         "from %s device %d:%d (%.32s)\n",
 204                         filename,
 205                         argv[1], dev, part, info.name);
 206         } else {
 207                 printf ("Loading file \"%s\" from %s device %d\n",
 208                         filename, argv[1], dev);
 209         }
 210
 211
 212         if ((part_length = ext2fs_set_blk_dev(dev_desc, part)) == 0) {
 213                 printf ("** Bad partition - %s %d:%d **\n",  argv[1], dev, part);
 214                 ext2fs_close();
 215                 return 1;
 216         }
 217
 218         if (!ext2fs_mount(part_length)) {
 219                 printf ("** Bad ext2 partition or disk - %s %d:%d **\n",
 220                         argv[1], dev, part);
 221                 ext2fs_close();
 222                 return 1;
 223         }
 224
 225         filelen = ext2fs_open(filename);
 226         if (filelen < 0) {
 227                 printf("** File not found %s\n", filename);
 228                 ext2fs_close();
 229                 return 1;
 230         }
 231         if ((count < filelen) && (count != 0)) {
 232             filelen = count;
 233         }
 234
 235         if (ext2fs_read((char *)addr, filelen) != filelen) {
 236                 printf("** Unable to read \"%s\" from %s %d:%d **\n",
 237                         filename, argv[1], dev, part);
 238                 ext2fs_close();
 239                 return 1;
 240         }
 241
 242         ext2fs_close();
 243
 244         /* Loading ok, update default load address */
 245         load_addr = addr;
 246
 247         printf ("%d bytes read\n", filelen);
 248         sprintf(buf, "%X", filelen);
 249         setenv("filesize", buf);
 250
 251         return 0;
 252 }
 253
 254 U_BOOT_CMD(
 255         ext2load,       6,      0,      do_ext2load,
 256         "load binary file from a Ext2 filesystem",
 257         "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
 258         "    - load binary file 'filename' from 'dev' on 'interface'\n"
 259         "      to address 'addr' from ext2 filesystem"
 260 );