LXR uboot/cmd/ubifs.c

   1/*
   2 * (C) Copyright 2008
   3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
   4 *
   5 * SPDX-License-Identifier:     GPL-2.0+
   6 */
   7
   8
   9/*
  10 * UBIFS command support
  11 */
  12
  13#undef DEBUG
  14
  15#include <common.h>
  16#include <config.h>
  17#include <command.h>
  18#include <ubifs_uboot.h>
  19
  20static int ubifs_initialized;
  21static int ubifs_mounted;
  22
  23static int do_ubifs_mount(cmd_tbl_t *cmdtp, int flag, int argc,
  24                                char * const argv[])
  25{
  26        char *vol_name;
  27        int ret;
  28
  29        if (argc != 2)
  30                return CMD_RET_USAGE;
  31
  32        vol_name = argv[1];
  33        debug("Using volume %s\n", vol_name);
  34
  35        if (ubifs_initialized == 0) {
  36                ubifs_init();
  37                ubifs_initialized = 1;
  38        }
  39
  40        ret = uboot_ubifs_mount(vol_name);
  41        if (ret)
  42                return -1;
  43
  44        ubifs_mounted = 1;
  45
  46        return 0;
  47}
  48
  49int ubifs_is_mounted(void)
  50{
  51        return ubifs_mounted;
  52}
  53
  54void cmd_ubifs_umount(void)
  55{
  56        uboot_ubifs_umount();
  57        ubifs_mounted = 0;
  58        ubifs_initialized = 0;
  59}
  60
  61static int do_ubifs_umount(cmd_tbl_t *cmdtp, int flag, int argc,
  62                                char * const argv[])
  63{
  64        if (argc != 1)
  65                return CMD_RET_USAGE;
  66
  67        if (ubifs_initialized == 0) {
  68                printf("No UBIFS volume mounted!\n");
  69                return -1;
  70        }
  71
  72        cmd_ubifs_umount();
  73
  74        return 0;
  75}
  76
  77static int do_ubifs_ls(cmd_tbl_t *cmdtp, int flag, int argc,
  78                        char * const argv[])
  79{
  80        char *filename = "/";
  81        int ret;
  82
  83        if (!ubifs_mounted) {
  84                printf("UBIFS not mounted, use ubifsmount to mount volume first!\n");
  85                return -1;
  86        }
  87
  88        if (argc == 2)
  89                filename = argv[1];
  90        debug("Using filename %s\n", filename);
  91
  92        ret = ubifs_ls(filename);
  93        if (ret) {
  94                printf("** File not found %s **\n", filename);
  95                ret = CMD_RET_FAILURE;
  96        }
  97
  98        return ret;
  99}
 100
 101static int do_ubifs_load(cmd_tbl_t *cmdtp, int flag, int argc,
 102                                char * const argv[])
 103{
 104        char *filename;
 105        char *endp;
 106        int ret;
 107        u32 addr;
 108        u32 size = 0;
 109
 110        if (!ubifs_mounted) {
 111                printf("UBIFS not mounted, use ubifs mount to mount volume first!\n");
 112                return -1;
 113        }
 114
 115        if (argc < 3)
 116                return CMD_RET_USAGE;
 117
 118        addr = simple_strtoul(argv[1], &endp, 16);
 119        if (endp == argv[1])
 120                return CMD_RET_USAGE;
 121
 122        filename = argv[2];
 123
 124        if (argc == 4) {
 125                size = simple_strtoul(argv[3], &endp, 16);
 126                if (endp == argv[3])
 127                        return CMD_RET_USAGE;
 128        }
 129        debug("Loading file '%s' to address 0x%08x (size %d)\n", filename, addr, size);
 130
 131        ret = ubifs_load(filename, addr, size);
 132        if (ret) {
 133                printf("** File not found %s **\n", filename);
 134                ret = CMD_RET_FAILURE;
 135        }
 136
 137        return ret;
 138}
 139
 140U_BOOT_CMD(
 141        ubifsmount, 2, 0, do_ubifs_mount,
 142        "mount UBIFS volume",
 143        "<volume-name>\n"
 144        "    - mount 'volume-name' volume"
 145);
 146
 147U_BOOT_CMD(
 148        ubifsumount, 1, 0, do_ubifs_umount,
 149        "unmount UBIFS volume",
 150        "    - unmount current volume"
 151);
 152
 153U_BOOT_CMD(
 154        ubifsls, 2, 0, do_ubifs_ls,
 155        "list files in a directory",
 156        "[directory]\n"
 157        "    - list files in a 'directory' (default '/')"
 158);
 159
 160U_BOOT_CMD(
 161        ubifsload, 4, 0, do_ubifs_load,
 162        "load file from an UBIFS filesystem",
 163        "<addr> <filename> [bytes]\n"
 164        "    - load file 'filename' to address 'addr'"
 165);
 166