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 *argv[])
  46 {
  47         char *vol_name;
  48         int ret;
  49
  50         if (argc != 2) {
  51                 cmd_usage(cmdtp);
  52                 return 1;
  53         }
  54         vol_name = argv[1];
  55         debug("Using volume %s\n", vol_name);
  56
  57         if (ubifs_initialized == 0) {
  58                 ubifs_init();
  59                 ubifs_initialized = 1;
  60         }
  61
  62         ret = ubifs_mount(vol_name);
  63         if (ret)
  64                 return -1;
  65
  66         ubifs_mounted = 1;
  67
  68         return 0;
  69 }
  70
  71 int do_ubifs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  72 {
  73         char *filename = "/";
  74         int ret;
  75
  76         if (!ubifs_mounted) {
  77                 printf("UBIFS not mounted, use ubifs mount to mount volume first!\n");
  78                 return -1;
  79         }
  80
  81         if (argc == 2)
  82                 filename = argv[1];
  83         debug("Using filename %s\n", filename);
  84
  85         ret = ubifs_ls(filename);
  86         if (ret)
  87                 printf("%s not found!\n", filename);
  88
  89         return ret;
  90 }
  91
  92 int do_ubifs_load(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  93 {
  94         char *filename;
  95         char *endp;
  96         int ret;
  97         u32 addr;
  98         u32 size = 0;
  99
 100         if (!ubifs_mounted) {
 101                 printf("UBIFS not mounted, use ubifs mount to mount volume first!\n");
 102                 return -1;
 103         }
 104
 105         if (argc < 3) {
 106                 cmd_usage(cmdtp);
 107                 return -1;
 108         }
 109
 110         addr = simple_strtoul(argv[1], &endp, 16);
 111         if (endp == argv[1]) {
 112                 cmd_usage(cmdtp);
 113                 return 1;
 114         }
 115
 116         filename = argv[2];
 117
 118         if (argc == 4) {
 119                 size = simple_strtoul(argv[3], &endp, 16);
 120                 if (endp == argv[3]) {
 121                         cmd_usage(cmdtp);
 122                         return 1;
 123                 }
 124         }
 125         debug("Loading file '%s' to address 0x%08x (size %d)\n", filename, addr, size);
 126
 127         ret = ubifs_load(filename, addr, size);
 128         if (ret)
 129                 printf("%s not found!\n", filename);
 130
 131         return ret;
 132 }
 133
 134 U_BOOT_CMD(
 135         ubifsmount, 2, 0, do_ubifs_mount,
 136         "mount UBIFS volume",
 137         "<volume-name>\n"
 138         "    - mount 'volume-name' volume"
 139 );
 140
 141 U_BOOT_CMD(ubifsls, 2, 0, do_ubifs_ls,
 142         "list files in a directory",
 143         "[directory]\n"
 144         "    - list files in a 'directory' (default '/')"
 145 );
 146
 147 U_BOOT_CMD(ubifsload, 4, 0, do_ubifs_load,
 148         "load file from an UBIFS filesystem",
 149         "<addr> <filename> [bytes]\n"
 150         "    - load file 'filename' to address 'addr'"
 151 );