common/cmd_reiser.c

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