common/cmd_cbfs.c

   1 /*
   2  * Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
   3  *
   4  * See file CREDITS for list of people who contributed to this
   5  * project.
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of
  10  * the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20  * MA 02111-1307 USA
  21  */
  22
  23 /*
  24  * CBFS commands
  25  */
  26 #include <common.h>
  27 #include <command.h>
  28 #include <cbfs.h>
  29
  30 int do_cbfs_init(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  31 {
  32         uintptr_t end_of_rom = 0xffffffff;
  33         char *ep;
  34
  35         if (argc > 2) {
  36                 printf("usage: cbfsls [end of rom]>\n");
  37                 return 0;
  38         }
  39         if (argc == 2) {
  40                 end_of_rom = (int)simple_strtoul(argv[1], &ep, 16);
  41                 if (*ep) {
  42                         puts("\n** Invalid end of ROM **\n");
  43                         return 1;
  44                 }
  45         }
  46         file_cbfs_init(end_of_rom);
  47         if (file_cbfs_result != CBFS_SUCCESS) {
  48                 printf("%s.\n", file_cbfs_error());
  49                 return 1;
  50         }
  51         return 0;
  52 }
  53
  54 U_BOOT_CMD(
  55         cbfsinit,       2,      0,      do_cbfs_init,
  56         "initialize the cbfs driver",
  57         "[end of rom]\n"
  58         "    - Initialize the cbfs driver. The optional 'end of rom'\n"
  59         "      parameter specifies where the end of the ROM is that the\n"
  60         "      CBFS is in. It defaults to 0xFFFFFFFF\n"
  61 );
  62
  63 int do_cbfs_fsload(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  64 {
  65         const struct cbfs_cachenode *file;
  66         unsigned long offset;
  67         unsigned long count;
  68         long size;
  69
  70         if (argc < 3) {
  71                 printf("usage: cbfsload <addr> <filename> [bytes]\n");
  72                 return 1;
  73         }
  74
  75         /* parse offset and count */
  76         offset = simple_strtoul(argv[1], NULL, 16);
  77         if (argc == 4)
  78                 count = simple_strtoul(argv[3], NULL, 16);
  79         else
  80                 count = 0;
  81
  82         file = file_cbfs_find(argv[2]);
  83         if (!file) {
  84                 if (file_cbfs_result == CBFS_FILE_NOT_FOUND)
  85                         printf("%s: %s\n", file_cbfs_error(), argv[2]);
  86                 else
  87                         printf("%s.\n", file_cbfs_error());
  88                 return 1;
  89         }
  90
  91         printf("reading %s\n", file_cbfs_name(file));
  92
  93         size = file_cbfs_read(file, (void *)offset, count);
  94
  95         printf("\n%ld bytes read\n", size);
  96
  97         setenv_hex("filesize", size);
  98
  99         return 0;
 100 }
 101
 102 U_BOOT_CMD(
 103         cbfsload,       4,      0,      do_cbfs_fsload,
 104         "load binary file from a cbfs filesystem",
 105         "<addr> <filename> [bytes]\n"
 106         "    - load binary file 'filename' from the cbfs to address 'addr'\n"
 107 );
 108
 109 int do_cbfs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
 110 {
 111         const struct cbfs_cachenode *file = file_cbfs_get_first();
 112         int files = 0;
 113
 114         if (!file) {
 115                 printf("%s.\n", file_cbfs_error());
 116                 return 1;
 117         }
 118
 119         printf("     size              type  name\n");
 120         printf("------------------------------------------\n");
 121         while (file) {
 122                 u32 type = file_cbfs_type(file);
 123                 char *type_name = NULL;
 124                 const char *filename = file_cbfs_name(file);
 125
 126                 printf(" %8d", file_cbfs_size(file));
 127
 128                 switch (type) {
 129                 case CBFS_TYPE_STAGE:
 130                         type_name = "stage";
 131                         break;
 132                 case CBFS_TYPE_PAYLOAD:
 133                         type_name = "payload";
 134                         break;
 135                 case CBFS_TYPE_OPTIONROM:
 136                         type_name = "option rom";
 137                         break;
 138                 case CBFS_TYPE_BOOTSPLASH:
 139                         type_name = "boot splash";
 140                         break;
 141                 case CBFS_TYPE_RAW:
 142                         type_name = "raw";
 143                         break;
 144                 case CBFS_TYPE_VSA:
 145                         type_name = "vsa";
 146                         break;
 147                 case CBFS_TYPE_MBI:
 148                         type_name = "mbi";
 149                         break;
 150                 case CBFS_TYPE_MICROCODE:
 151                         type_name = "microcode";
 152                         break;
 153                 case CBFS_COMPONENT_CMOS_DEFAULT:
 154                         type_name = "cmos default";
 155                         break;
 156                 case CBFS_COMPONENT_CMOS_LAYOUT:
 157                         type_name = "cmos layout";
 158                         break;
 159                 case -1UL:
 160                         type_name = "null";
 161                         break;
 162                 }
 163                 if (type_name)
 164                         printf("  %16s", type_name);
 165                 else
 166                         printf("  %16d", type);
 167
 168                 if (filename[0])
 169                         printf("  %s\n", filename);
 170                 else
 171                         printf("  %s\n", "(empty)");
 172                 file_cbfs_get_next(&file);
 173                 files++;
 174         }
 175
 176         printf("\n%d file(s)\n\n", files);
 177         return 0;
 178 }
 179
 180 U_BOOT_CMD(
 181         cbfsls, 1,      1,      do_cbfs_ls,
 182         "list files",
 183         "    - list the files in the cbfs\n"
 184 );
 185
 186 int do_cbfs_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
 187 {
 188         const struct cbfs_header *header = file_cbfs_get_header();
 189
 190         if (!header) {
 191                 printf("%s.\n", file_cbfs_error());
 192                 return 1;
 193         }
 194
 195         printf("\n");
 196         printf("CBFS version: %#x\n", header->version);
 197         printf("ROM size: %#x\n", header->rom_size);
 198         printf("Boot block size: %#x\n", header->boot_block_size);
 199         printf("CBFS size: %#x\n",
 200                 header->rom_size - header->boot_block_size - header->offset);
 201         printf("Alignment: %d\n", header->align);
 202         printf("Offset: %#x\n", header->offset);
 203         printf("\n");
 204
 205         return 0;
 206 }
 207
 208 U_BOOT_CMD(
 209         cbfsinfo,       1,      1,      do_cbfs_fsinfo,
 210         "print information about filesystem",
 211         "    - print information about the cbfs filesystem\n"
 212 );