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, part;
  54         block_dev_desc_t *dev_desc=NULL;
  55         disk_partition_t info;
  56
  57         if (argc < 3)
  58                 return CMD_RET_USAGE;
  59
  60         part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
  61         if (part < 0)
  62                 return 1;
  63
  64         if (argc == 4) {
  65             filename = argv[3];
  66         }
  67
  68         dev = dev_desc->dev;
  69         PRINTF("Using device %s %d:%d, directory: %s\n", argv[1], dev, part, filename);
  70
  71         reiserfs_set_blk_dev(dev_desc, &info);
  72
  73         if (!reiserfs_mount(info.size)) {
  74                 printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n",  argv[1], dev, part);
  75                 return 1;
  76         }
  77
  78         if (reiserfs_ls (filename)) {
  79                 printf ("** Error reiserfs_ls() **\n");
  80                 return 1;
  81         };
  82
  83         return 0;
  84 }
  85
  86 U_BOOT_CMD(
  87         reiserls,       4,      1,      do_reiserls,
  88         "list files in a directory (default /)",
  89         "<interface> <dev[:part]> [directory]\n"
  90         "    - list files from 'dev' on 'interface' in a 'directory'"
  91 );
  92
  93 /******************************************************************************
  94  * Reiserfs boot command intepreter. Derived from diskboot
  95  */
  96 int do_reiserload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  97 {
  98         char *filename = NULL;
  99         int dev, part;
 100         ulong addr = 0, filelen;
 101         disk_partition_t info;
 102         block_dev_desc_t *dev_desc = NULL;
 103         unsigned long count;
 104         char *addr_str;
 105
 106         switch (argc) {
 107         case 3:
 108                 addr_str = getenv("loadaddr");
 109                 if (addr_str != NULL) {
 110                         addr = simple_strtoul (addr_str, NULL, 16);
 111                 } else {
 112                         addr = CONFIG_SYS_LOAD_ADDR;
 113                 }
 114                 filename = getenv ("bootfile");
 115                 count = 0;
 116                 break;
 117         case 4:
 118                 addr = simple_strtoul (argv[3], NULL, 16);
 119                 filename = getenv ("bootfile");
 120                 count = 0;
 121                 break;
 122         case 5:
 123                 addr = simple_strtoul (argv[3], NULL, 16);
 124                 filename = argv[4];
 125                 count = 0;
 126                 break;
 127         case 6:
 128                 addr = simple_strtoul (argv[3], NULL, 16);
 129                 filename = argv[4];
 130                 count = simple_strtoul (argv[5], NULL, 16);
 131                 break;
 132
 133         default:
 134                 return CMD_RET_USAGE;
 135         }
 136
 137         if (!filename) {
 138                 puts ("\n** No boot file defined **\n");
 139                 return 1;
 140         }
 141
 142         part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
 143         if (part < 0)
 144                 return 1;
 145
 146         dev = dev_desc->dev;
 147
 148         printf("Loading file \"%s\" from %s device %d%c%c\n",
 149                 filename, argv[1], dev,
 150                 part ? ':' : ' ', part ? part + '0' : ' ');
 151
 152         reiserfs_set_blk_dev(dev_desc, &info);
 153
 154         if (!reiserfs_mount(info.size)) {
 155                 printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n",  argv[1], dev, part);
 156                 return 1;
 157         }
 158
 159         filelen = reiserfs_open(filename);
 160         if (filelen < 0) {
 161                 printf("** File not found %s\n", filename);
 162                 return 1;
 163         }
 164         if ((count < filelen) && (count != 0)) {
 165             filelen = count;
 166         }
 167
 168         if (reiserfs_read((char *)addr, filelen) != filelen) {
 169                 printf("\n** Unable to read \"%s\" from %s %d:%d **\n", filename, argv[1], dev, part);
 170                 return 1;
 171         }
 172
 173         /* Loading ok, update default load address */
 174         load_addr = addr;
 175
 176         printf ("\n%ld bytes read\n", filelen);
 177         setenv_hex("filesize", filelen);
 178
 179         return filelen;
 180 }
 181
 182 U_BOOT_CMD(
 183         reiserload,     6,      0,      do_reiserload,
 184         "load binary file from a Reiser filesystem",
 185         "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
 186         "    - load binary file 'filename' from 'dev' on 'interface'\n"
 187         "      to address 'addr' from dos filesystem"
 188 );