LXR uboot/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 <env.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
  33int do_reiserls(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  34{
  35        char *filename = "/";
  36        int dev, part;
  37        struct blk_desc *dev_desc = NULL;
  38        struct disk_partition 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
  69U_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 */
  79int do_reiserload(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  80{
  81        char *filename = NULL;
  82        int dev, part;
  83        ulong addr = 0, filelen;
  84        struct disk_partition 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 = env_get("loadaddr");
  92                if (addr_str != NULL) {
  93                        addr = hextoul(addr_str, NULL);
  94                } else {
  95                        addr = CONFIG_SYS_LOAD_ADDR;
  96                }
  97                filename = env_get("bootfile");
  98                count = 0;
  99                break;
 100        case 4:
 101                addr = hextoul(argv[3], NULL);
 102                filename = env_get("bootfile");
 103                count = 0;
 104                break;
 105        case 5:
 106                addr = hextoul(argv[3], NULL);
 107                filename = argv[4];
 108                count = 0;
 109                break;
 110        case 6:
 111                addr = hextoul(argv[3], NULL);
 112                filename = argv[4];
 113                count = hextoul(argv[5], NULL);
 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        image_load_addr = addr;
 158
 159        printf ("\n%ld bytes read\n", filelen);
 160        env_set_hex("filesize", filelen);
 161
 162        return filelen;
 163}
 164
 165U_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);
 172