common/cmd_ubifs.c

   1 /*
   2  * (C) Copyright 2008
   3  * Stefan Roese, DENX Software Engineering, sr@denx.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  *
  23  */
  24
  25
  26 /*
  27  * UBIFS command support
  28  */
  29
  30 #undef DEBUG
  31
  32 #include <common.h>
  33 #include <config.h>
  34 #include <command.h>
  35
  36 static int ubifs_initialized;
  37 static int ubifs_mounted;
  38
  39 /* Prototypes */
  40 int ubifs_init(void);
  41 int ubifs_mount(char *vol_name);
  42 int ubifs_ls(char *dir_name);
  43 int ubifs_load(char *filename, u32 addr, u32 size);
  44
  45 int do_ubifs_mount(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  46 {
  47         char *vol_name;
  48         int ret;
  49
  50         if (argc != 2)
  51                 return cmd_usage(cmdtp);
  52
  53         vol_name = argv[1];
  54         debug("Using volume %s\n", vol_name);
  55
  56         if (ubifs_initialized == 0) {
  57                 ubifs_init();
  58                 ubifs_initialized = 1;
  59         }
  60
  61         ret = ubifs_mount(vol_name);
  62         if (ret)
  63                 return -1;
  64
  65         ubifs_mounted = 1;
  66
  67         return 0;
  68 }
  69
  70 int do_ubifs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  71 {
  72         char *filename = "/";
  73         int ret;
  74
  75         if (!ubifs_mounted) {
  76                 printf("UBIFS not mounted, use ubifs mount to mount volume first!\n");
  77                 return -1;
  78         }
  79
  80         if (argc == 2)
  81                 filename = argv[1];
  82         debug("Using filename %s\n", filename);
  83
  84         ret = ubifs_ls(filename);
  85         if (ret)
  86                 printf("%s not found!\n", filename);
  87
  88         return ret;
  89 }
  90
  91 int do_ubifs_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  92 {
  93         char *filename;
  94         char *endp;
  95         int ret;
  96         u32 addr;
  97         u32 size = 0;
  98
  99         if (!ubifs_mounted) {
 100                 printf("UBIFS not mounted, use ubifs mount to mount volume first!\n");
 101                 return -1;
 102         }
 103
 104         if (argc < 3)
 105                 return cmd_usage(cmdtp);
 106
 107         addr = simple_strtoul(argv[1], &endp, 16);
 108         if (endp == argv[1])
 109                 return cmd_usage(cmdtp);
 110
 111         filename = argv[2];
 112
 113         if (argc == 4) {
 114                 size = simple_strtoul(argv[3], &endp, 16);
 115                 if (endp == argv[3])
 116                         return cmd_usage(cmdtp);
 117         }
 118         debug("Loading file '%s' to address 0x%08x (size %d)\n", filename, addr, size);
 119
 120         ret = ubifs_load(filename, addr, size);
 121         if (ret)
 122                 printf("%s not found!\n", filename);
 123
 124         return ret;
 125 }
 126
 127 U_BOOT_CMD(
 128         ubifsmount, 2, 0, do_ubifs_mount,
 129         "mount UBIFS volume",
 130         "<volume-name>\n"
 131         "    - mount 'volume-name' volume"
 132 );
 133
 134 U_BOOT_CMD(ubifsls, 2, 0, do_ubifs_ls,
 135         "list files in a directory",
 136         "[directory]\n"
 137         "    - list files in a 'directory' (default '/')"
 138 );
 139
 140 U_BOOT_CMD(ubifsload, 4, 0, do_ubifs_load,
 141         "load file from an UBIFS filesystem",
 142         "<addr> <filename> [bytes]\n"
 143         "    - load file 'filename' to address 'addr'"
 144 );