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 *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                 cmd_usage(cmdtp);
  61                 return 1;
  62         }
  63         dev = (int)simple_strtoul (argv[2], &ep, 16);
  64         dev_desc = get_dev(argv[1],dev);
  65
  66         if (dev_desc == NULL) {
  67                 printf ("\n** Block device %s %d not supported\n", argv[1], dev);
  68                 return 1;
  69         }
  70
  71         if (*ep) {
  72                 if (*ep != ':') {
  73                         puts ("\n** Invalid boot device, use `dev[:part]' **\n");
  74                         return 1;
  75                 }
  76                 part = (int)simple_strtoul(++ep, NULL, 16);
  77         }
  78
  79         if (argc == 4) {
  80             filename = argv[3];
  81         }
  82
  83         PRINTF("Using device %s %d:%d, directory: %s\n", argv[1], dev, part, filename);
  84
  85         if ((part_length = reiserfs_set_blk_dev(dev_desc, part)) == 0) {
  86                 printf ("** Bad partition - %s %d:%d **\n",  argv[1], dev, part);
  87                 return 1;
  88         }
  89
  90         if (!reiserfs_mount(part_length)) {
  91                 printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n",  argv[1], dev, part);
  92                 return 1;
  93         }
  94
  95         if (reiserfs_ls (filename)) {
  96                 printf ("** Error reiserfs_ls() **\n");
  97                 return 1;
  98         };
  99
 100         return 0;
 101 }
 102
 103 U_BOOT_CMD(
 104         reiserls,       4,      1,      do_reiserls,
 105         "reiserls- list files in a directory (default /)\n",
 106         "<interface> <dev[:part]> [directory]\n"
 107         "    - list files from 'dev' on 'interface' in a 'directory'\n"
 108 );
 109
 110 /******************************************************************************
 111  * Reiserfs boot command intepreter. Derived from diskboot
 112  */
 113 int do_reiserload (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 114 {
 115         char *filename = NULL;
 116         char *ep;
 117         int dev, part = 0;
 118         ulong addr = 0, part_length, filelen;
 119         disk_partition_t info;
 120         block_dev_desc_t *dev_desc = NULL;
 121         char buf [12];
 122         unsigned long count;
 123         char *addr_str;
 124
 125         switch (argc) {
 126         case 3:
 127                 addr_str = getenv("loadaddr");
 128                 if (addr_str != NULL) {
 129                         addr = simple_strtoul (addr_str, NULL, 16);
 130                 } else {
 131                         addr = CONFIG_SYS_LOAD_ADDR;
 132                 }
 133                 filename = getenv ("bootfile");
 134                 count = 0;
 135                 break;
 136         case 4:
 137                 addr = simple_strtoul (argv[3], NULL, 16);
 138                 filename = getenv ("bootfile");
 139                 count = 0;
 140                 break;
 141         case 5:
 142                 addr = simple_strtoul (argv[3], NULL, 16);
 143                 filename = argv[4];
 144                 count = 0;
 145                 break;
 146         case 6:
 147                 addr = simple_strtoul (argv[3], NULL, 16);
 148                 filename = argv[4];
 149                 count = simple_strtoul (argv[5], NULL, 16);
 150                 break;
 151
 152         default:
 153                 cmd_usage(cmdtp);
 154                 return 1;
 155         }
 156
 157         if (!filename) {
 158                 puts ("\n** No boot file defined **\n");
 159                 return 1;
 160         }
 161
 162         dev = (int)simple_strtoul (argv[2], &ep, 16);
 163         dev_desc = get_dev(argv[1],dev);
 164         if (dev_desc==NULL) {
 165                 printf ("\n** Block device %s %d not supported\n", argv[1], dev);
 166                 return 1;
 167         }
 168         if (*ep) {
 169                 if (*ep != ':') {
 170                         puts ("\n** Invalid boot device, use `dev[:part]' **\n");
 171                         return 1;
 172                 }
 173                 part = (int)simple_strtoul(++ep, NULL, 16);
 174         }
 175
 176         PRINTF("Using device %s%d, partition %d\n", argv[1], dev, part);
 177
 178         if (part != 0) {
 179                 if (get_partition_info (dev_desc, part, &info)) {
 180                         printf ("** Bad partition %d **\n", part);
 181                         return 1;
 182                 }
 183
 184                 if (strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) {
 185                         printf ("\n** Invalid partition type \"%.32s\""
 186                                 " (expect \"" BOOT_PART_TYPE "\")\n",
 187                                 info.type);
 188                         return 1;
 189                 }
 190                 PRINTF ("\nLoading from block device %s device %d, partition %d: "
 191                         "Name: %.32s  Type: %.32s  File:%s\n",
 192                         argv[1], dev, part, info.name, info.type, filename);
 193         } else {
 194                 PRINTF ("\nLoading from block device %s device %d, File:%s\n",
 195                         argv[1], dev, filename);
 196         }
 197
 198
 199         if ((part_length = reiserfs_set_blk_dev(dev_desc, part)) == 0) {
 200                 printf ("** Bad partition - %s %d:%d **\n",  argv[1], dev, part);
 201                 return 1;
 202         }
 203
 204         if (!reiserfs_mount(part_length)) {
 205                 printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n",  argv[1], dev, part);
 206                 return 1;
 207         }
 208
 209         filelen = reiserfs_open(filename);
 210         if (filelen < 0) {
 211                 printf("** File not found %s\n", filename);
 212                 return 1;
 213         }
 214         if ((count < filelen) && (count != 0)) {
 215             filelen = count;
 216         }
 217
 218         if (reiserfs_read((char *)addr, filelen) != filelen) {
 219                 printf("\n** Unable to read \"%s\" from %s %d:%d **\n", filename, argv[1], dev, part);
 220                 return 1;
 221         }
 222
 223         /* Loading ok, update default load address */
 224         load_addr = addr;
 225
 226         printf ("\n%ld bytes read\n", filelen);
 227         sprintf(buf, "%lX", filelen);
 228         setenv("filesize", buf);
 229
 230         return filelen;
 231 }
 232
 233 U_BOOT_CMD(
 234         reiserload,     6,      0,      do_reiserload,
 235         "reiserload- load binary file from a Reiser filesystem\n",
 236         "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
 237         "    - load binary file 'filename' from 'dev' on 'interface'\n"
 238         "      to address 'addr' from dos filesystem\n"
 239 );