cmd/reiser.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2003 - 2004
   4  * Sysgo Real-Time Solutions, AG <www.elinos.com>
   5  * Pavel Bartusek <pba@sysgo.com>
   6  */
   7
   8 /*
   9  * Reiserfs support
  10  */
  11 #include <common.h>
  12 #include <config.h>
  13 #include <command.h>
  14 #include <image.h>
  15 #include <linux/ctype.h>
  16 #include <asm/byteorder.h>
  17 #include <reiserfs.h>
  18 #include <part.h>
  19
  20 #if !CONFIG_IS_ENABLED(DOS_PARTITION)
  21 #error DOS partition support must be selected
  22 #endif
  23
  24 /* #define      REISER_DEBUG */
  25
  26 #ifdef  REISER_DEBUG
  27 #define PRINTF(fmt,args...)     printf (fmt ,##args)
  28 #else
  29 #define PRINTF(fmt,args...)
  30 #endif
  31
  32 int do_reiserls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  33 {
  34         char *filename = "/";
  35         int dev, part;
  36         struct blk_desc *dev_desc = NULL;
  37         disk_partition_t info;
  38
  39         if (argc < 3)
  40                 return CMD_RET_USAGE;
  41
  42         part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
  43         if (part < 0)
  44                 return 1;
  45
  46         if (argc == 4) {
  47             filename = argv[3];
  48         }
  49
  50         dev = dev_desc->devnum;
  51         PRINTF("Using device %s %d:%d, directory: %s\n", argv[1], dev, part, filename);
  52
  53         reiserfs_set_blk_dev(dev_desc, &info);
  54
  55         if (!reiserfs_mount(info.size)) {
  56                 printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n",  argv[1], dev, part);
  57                 return 1;
  58         }
  59
  60         if (reiserfs_ls (filename)) {
  61                 printf ("** Error reiserfs_ls() **\n");
  62                 return 1;
  63         };
  64
  65         return 0;
  66 }
  67
  68 U_BOOT_CMD(
  69         reiserls,       4,      1,      do_reiserls,
  70         "list files in a directory (default /)",
  71         "<interface> <dev[:part]> [directory]\n"
  72         "    - list files from 'dev' on 'interface' in a 'directory'"
  73 );
  74
  75 /******************************************************************************
  76  * Reiserfs boot command intepreter. Derived from diskboot
  77  */
  78 int do_reiserload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  79 {
  80         char *filename = NULL;
  81         int dev, part;
  82         ulong addr = 0, filelen;
  83         disk_partition_t info;
  84         struct blk_desc *dev_desc = NULL;
  85         unsigned long count;
  86         char *addr_str;
  87
  88         switch (argc) {
  89         case 3:
  90                 addr_str = env_get("loadaddr");
  91                 if (addr_str != NULL) {
  92                         addr = simple_strtoul (addr_str, NULL, 16);
  93                 } else {
  94                         addr = CONFIG_SYS_LOAD_ADDR;
  95                 }
  96                 filename = env_get("bootfile");
  97                 count = 0;
  98                 break;
  99         case 4:
 100                 addr = simple_strtoul (argv[3], NULL, 16);
 101                 filename = env_get("bootfile");
 102                 count = 0;
 103                 break;
 104         case 5:
 105                 addr = simple_strtoul (argv[3], NULL, 16);
 106                 filename = argv[4];
 107                 count = 0;
 108                 break;
 109         case 6:
 110                 addr = simple_strtoul (argv[3], NULL, 16);
 111                 filename = argv[4];
 112                 count = simple_strtoul (argv[5], NULL, 16);
 113                 break;
 114
 115         default:
 116                 return CMD_RET_USAGE;
 117         }
 118
 119         if (!filename) {
 120                 puts ("\n** No boot file defined **\n");
 121                 return 1;
 122         }
 123
 124         part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
 125         if (part < 0)
 126                 return 1;
 127
 128         dev = dev_desc->devnum;
 129
 130         printf("Loading file \"%s\" from %s device %d%c%c\n",
 131                 filename, argv[1], dev,
 132                 part ? ':' : ' ', part ? part + '0' : ' ');
 133
 134         reiserfs_set_blk_dev(dev_desc, &info);
 135
 136         if (!reiserfs_mount(info.size)) {
 137                 printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n",  argv[1], dev, part);
 138                 return 1;
 139         }
 140
 141         filelen = reiserfs_open(filename);
 142         if (filelen < 0) {
 143                 printf("** File not found %s **\n", filename);
 144                 return 1;
 145         }
 146         if ((count < filelen) && (count != 0)) {
 147             filelen = count;
 148         }
 149
 150         if (reiserfs_read((char *)addr, filelen) != filelen) {
 151                 printf("\n** Unable to read \"%s\" from %s %d:%d **\n", filename, argv[1], dev, part);
 152                 return 1;
 153         }
 154
 155         /* Loading ok, update default load address */
 156         load_addr = addr;
 157
 158         printf ("\n%ld bytes read\n", filelen);
 159         env_set_hex("filesize", filelen);
 160
 161         return filelen;
 162 }
 163
 164 U_BOOT_CMD(
 165         reiserload,     6,      0,      do_reiserload,
 166         "load binary file from a Reiser filesystem",
 167         "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
 168         "    - load binary file 'filename' from 'dev' on 'interface'\n"
 169         "      to address 'addr' from dos filesystem"
 170 );