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  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 /*
  10  * Reiserfs support
  11  */
  12 #include <common.h>
  13 #include <config.h>
  14 #include <command.h>
  15 #include <image.h>
  16 #include <linux/ctype.h>
  17 #include <asm/byteorder.h>
  18 #include <reiserfs.h>
  19 #include <part.h>
  20
  21 #if !CONFIG_IS_ENABLED(DOS_PARTITION)
  22 #error DOS partition support must be selected
  23 #endif
  24
  25 /* #define      REISER_DEBUG */
  26
  27 #ifdef  REISER_DEBUG
  28 #define PRINTF(fmt,args...)     printf (fmt ,##args)
  29 #else
  30 #define PRINTF(fmt,args...)
  31 #endif
  32
  33 int do_reiserls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  34 {
  35         char *filename = "/";
  36         int dev, part;
  37         struct blk_desc *dev_desc = NULL;
  38         disk_partition_t info;
  39
  40         if (argc < 3)
  41                 return CMD_RET_USAGE;
  42
  43         part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
  44         if (part < 0)
  45                 return 1;
  46
  47         if (argc == 4) {
  48             filename = argv[3];
  49         }
  50
  51         dev = dev_desc->devnum;
  52         PRINTF("Using device %s %d:%d, directory: %s\n", argv[1], dev, part, filename);
  53
  54         reiserfs_set_blk_dev(dev_desc, &info);
  55
  56         if (!reiserfs_mount(info.size)) {
  57                 printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n",  argv[1], dev, part);
  58                 return 1;
  59         }
  60
  61         if (reiserfs_ls (filename)) {
  62                 printf ("** Error reiserfs_ls() **\n");
  63                 return 1;
  64         };
  65
  66         return 0;
  67 }
  68
  69 U_BOOT_CMD(
  70         reiserls,       4,      1,      do_reiserls,
  71         "list files in a directory (default /)",
  72         "<interface> <dev[:part]> [directory]\n"
  73         "    - list files from 'dev' on 'interface' in a 'directory'"
  74 );
  75
  76 /******************************************************************************
  77  * Reiserfs boot command intepreter. Derived from diskboot
  78  */
  79 int do_reiserload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  80 {
  81         char *filename = NULL;
  82         int dev, part;
  83         ulong addr = 0, filelen;
  84         disk_partition_t info;
  85         struct blk_desc *dev_desc = NULL;
  86         unsigned long count;
  87         char *addr_str;
  88
  89         switch (argc) {
  90         case 3:
  91                 addr_str = getenv("loadaddr");
  92                 if (addr_str != NULL) {
  93                         addr = simple_strtoul (addr_str, NULL, 16);
  94                 } else {
  95                         addr = CONFIG_SYS_LOAD_ADDR;
  96                 }
  97                 filename = getenv ("bootfile");
  98                 count = 0;
  99                 break;
 100         case 4:
 101                 addr = simple_strtoul (argv[3], NULL, 16);
 102                 filename = getenv ("bootfile");
 103                 count = 0;
 104                 break;
 105         case 5:
 106                 addr = simple_strtoul (argv[3], NULL, 16);
 107                 filename = argv[4];
 108                 count = 0;
 109                 break;
 110         case 6:
 111                 addr = simple_strtoul (argv[3], NULL, 16);
 112                 filename = argv[4];
 113                 count = simple_strtoul (argv[5], NULL, 16);
 114                 break;
 115
 116         default:
 117                 return CMD_RET_USAGE;
 118         }
 119
 120         if (!filename) {
 121                 puts ("\n** No boot file defined **\n");
 122                 return 1;
 123         }
 124
 125         part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
 126         if (part < 0)
 127                 return 1;
 128
 129         dev = dev_desc->devnum;
 130
 131         printf("Loading file \"%s\" from %s device %d%c%c\n",
 132                 filename, argv[1], dev,
 133                 part ? ':' : ' ', part ? part + '0' : ' ');
 134
 135         reiserfs_set_blk_dev(dev_desc, &info);
 136
 137         if (!reiserfs_mount(info.size)) {
 138                 printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n",  argv[1], dev, part);
 139                 return 1;
 140         }
 141
 142         filelen = reiserfs_open(filename);
 143         if (filelen < 0) {
 144                 printf("** File not found %s **\n", filename);
 145                 return 1;
 146         }
 147         if ((count < filelen) && (count != 0)) {
 148             filelen = count;
 149         }
 150
 151         if (reiserfs_read((char *)addr, filelen) != filelen) {
 152                 printf("\n** Unable to read \"%s\" from %s %d:%d **\n", filename, argv[1], dev, part);
 153                 return 1;
 154         }
 155
 156         /* Loading ok, update default load address */
 157         load_addr = addr;
 158
 159         printf ("\n%ld bytes read\n", filelen);
 160         setenv_hex("filesize", filelen);
 161
 162         return filelen;
 163 }
 164
 165 U_BOOT_CMD(
 166         reiserload,     6,      0,      do_reiserload,
 167         "load binary file from a Reiser filesystem",
 168         "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
 169         "    - load binary file 'filename' from 'dev' on 'interface'\n"
 170         "      to address 'addr' from dos filesystem"
 171 );