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 #include <config.h>
  31 #include <command.h>
  32 #include <image.h>
  33 #include <linux/ctype.h>
  34 #include <asm/byteorder.h>
  35 #include <reiserfs.h>
  36 #include <part.h>
  37
  38 #ifndef CONFIG_DOS_PARTITION
  39 #error DOS partition support must be selected
  40 #endif
  41
  42 /* #define      REISER_DEBUG */
  43
  44 #ifdef  REISER_DEBUG
  45 #define PRINTF(fmt,args...)     printf (fmt ,##args)
  46 #else
  47 #define PRINTF(fmt,args...)
  48 #endif
  49
  50 int do_reiserls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  51 {
  52         char *filename = "/";
  53         int dev=0;
  54         int part=1;
  55         char *ep;
  56         block_dev_desc_t *dev_desc=NULL;
  57         int part_length;
  58
  59         if (argc < 3)
  60                 return cmd_usage(cmdtp);
  61
  62         dev = (int)simple_strtoul (argv[2], &ep, 16);
  63         dev_desc = get_dev(argv[1],dev);
  64
  65         if (dev_desc == NULL) {
  66                 printf ("\n** Block device %s %d not supported\n", argv[1], dev);
  67                 return 1;
  68         }
  69
  70         if (*ep) {
  71                 if (*ep != ':') {
  72                         puts ("\n** Invalid boot device, use `dev[:part]' **\n");
  73                         return 1;
  74                 }
  75                 part = (int)simple_strtoul(++ep, NULL, 16);
  76         }
  77
  78         if (argc == 4) {
  79             filename = argv[3];
  80         }
  81
  82         PRINTF("Using device %s %d:%d, directory: %s\n", argv[1], dev, part, filename);
  83
  84         if ((part_length = reiserfs_set_blk_dev(dev_desc, part)) == 0) {
  85                 printf ("** Bad partition - %s %d:%d **\n",  argv[1], dev, part);
  86                 return 1;
  87         }
  88
  89         if (!reiserfs_mount(part_length)) {
  90                 printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n",  argv[1], dev, part);
  91                 return 1;
  92         }
  93
  94         if (reiserfs_ls (filename)) {
  95                 printf ("** Error reiserfs_ls() **\n");
  96                 return 1;
  97         };
  98
  99         return 0;
 100 }
 101
 102 U_BOOT_CMD(
 103         reiserls,       4,      1,      do_reiserls,
 104         "list files in a directory (default /)",
 105         "<interface> <dev[:part]> [directory]\n"
 106         "    - list files from 'dev' on 'interface' in a 'directory'"
 107 );
 108
 109 /******************************************************************************
 110  * Reiserfs boot command intepreter. Derived from diskboot
 111  */
 112 int do_reiserload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 113 {
 114         char *filename = NULL;
 115         char *ep;
 116         int dev, part = 0;
 117         ulong addr = 0, part_length, filelen;
 118         disk_partition_t info;
 119         block_dev_desc_t *dev_desc = NULL;
 120         char buf [12];
 121         unsigned long count;
 122         char *addr_str;
 123
 124         switch (argc) {
 125         case 3:
 126                 addr_str = getenv("loadaddr");
 127                 if (addr_str != NULL) {
 128                         addr = simple_strtoul (addr_str, NULL, 16);
 129                 } else {
 130                         addr = CONFIG_SYS_LOAD_ADDR;
 131                 }
 132                 filename = getenv ("bootfile");
 133                 count = 0;
 134                 break;
 135         case 4:
 136                 addr = simple_strtoul (argv[3], NULL, 16);
 137                 filename = getenv ("bootfile");
 138                 count = 0;
 139                 break;
 140         case 5:
 141                 addr = simple_strtoul (argv[3], NULL, 16);
 142                 filename = argv[4];
 143                 count = 0;
 144                 break;
 145         case 6:
 146                 addr = simple_strtoul (argv[3], NULL, 16);
 147                 filename = argv[4];
 148                 count = simple_strtoul (argv[5], NULL, 16);
 149                 break;
 150
 151         default:
 152                 return cmd_usage(cmdtp);
 153         }
 154
 155         if (!filename) {
 156                 puts ("\n** No boot file defined **\n");
 157                 return 1;
 158         }
 159
 160         dev = (int)simple_strtoul (argv[2], &ep, 16);
 161         dev_desc = get_dev(argv[1],dev);
 162         if (dev_desc==NULL) {
 163                 printf ("\n** Block device %s %d not supported\n", argv[1], dev);
 164                 return 1;
 165         }
 166         if (*ep) {
 167                 if (*ep != ':') {
 168                         puts ("\n** Invalid boot device, use `dev[:part]' **\n");
 169                         return 1;
 170                 }
 171                 part = (int)simple_strtoul(++ep, NULL, 16);
 172         }
 173
 174         PRINTF("Using device %s%d, partition %d\n", argv[1], dev, part);
 175
 176         if (part != 0) {
 177                 if (get_partition_info (dev_desc, part, &info)) {
 178                         printf ("** Bad partition %d **\n", part);
 179                         return 1;
 180                 }
 181
 182                 if (strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) {
 183                         printf ("\n** Invalid partition type \"%.32s\""
 184                                 " (expect \"" BOOT_PART_TYPE "\")\n",
 185                                 info.type);
 186                         return 1;
 187                 }
 188                 PRINTF ("\nLoading from block device %s device %d, partition %d: "
 189                         "Name: %.32s  Type: %.32s  File:%s\n",
 190                         argv[1], dev, part, info.name, info.type, filename);
 191         } else {
 192                 PRINTF ("\nLoading from block device %s device %d, File:%s\n",
 193                         argv[1], dev, filename);
 194         }
 195
 196
 197         if ((part_length = reiserfs_set_blk_dev(dev_desc, part)) == 0) {
 198                 printf ("** Bad partition - %s %d:%d **\n",  argv[1], dev, part);
 199                 return 1;
 200         }
 201
 202         if (!reiserfs_mount(part_length)) {
 203                 printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n",  argv[1], dev, part);
 204                 return 1;
 205         }
 206
 207         filelen = reiserfs_open(filename);
 208         if (filelen < 0) {
 209                 printf("** File not found %s\n", filename);
 210                 return 1;
 211         }
 212         if ((count < filelen) && (count != 0)) {
 213             filelen = count;
 214         }
 215
 216         if (reiserfs_read((char *)addr, filelen) != filelen) {
 217                 printf("\n** Unable to read \"%s\" from %s %d:%d **\n", filename, argv[1], dev, part);
 218                 return 1;
 219         }
 220
 221         /* Loading ok, update default load address */
 222         load_addr = addr;
 223
 224         printf ("\n%ld bytes read\n", filelen);
 225         sprintf(buf, "%lX", filelen);
 226         setenv("filesize", buf);
 227
 228         return filelen;
 229 }
 230
 231 U_BOOT_CMD(
 232         reiserload,     6,      0,      do_reiserload,
 233         "load binary file from a Reiser filesystem",
 234         "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
 235         "    - load binary file 'filename' from 'dev' on 'interface'\n"
 236         "      to address 'addr' from dos filesystem"
 237 );