cmd/cbfs.c

   1 /*
   2  * Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 /*
   8  * CBFS commands
   9  */
  10 #include <common.h>
  11 #include <command.h>
  12 #include <cbfs.h>
  13
  14 static int do_cbfs_init(cmd_tbl_t *cmdtp, int flag, int argc,
  15                         char *const argv[])
  16 {
  17         uintptr_t end_of_rom = 0xffffffff;
  18         char *ep;
  19
  20         if (argc > 2) {
  21                 printf("usage: cbfsls [end of rom]>\n");
  22                 return 0;
  23         }
  24         if (argc == 2) {
  25                 end_of_rom = (int)simple_strtoul(argv[1], &ep, 16);
  26                 if (*ep) {
  27                         puts("\n** Invalid end of ROM **\n");
  28                         return 1;
  29                 }
  30         }
  31         file_cbfs_init(end_of_rom);
  32         if (file_cbfs_result != CBFS_SUCCESS) {
  33                 printf("%s.\n", file_cbfs_error());
  34                 return 1;
  35         }
  36         return 0;
  37 }
  38
  39 U_BOOT_CMD(
  40         cbfsinit,       2,      0,      do_cbfs_init,
  41         "initialize the cbfs driver",
  42         "[end of rom]\n"
  43         "    - Initialize the cbfs driver. The optional 'end of rom'\n"
  44         "      parameter specifies where the end of the ROM is that the\n"
  45         "      CBFS is in. It defaults to 0xFFFFFFFF\n"
  46 );
  47
  48 static int do_cbfs_fsload(cmd_tbl_t *cmdtp, int flag, int argc,
  49                           char *const argv[])
  50 {
  51         const struct cbfs_cachenode *file;
  52         unsigned long offset;
  53         unsigned long count;
  54         long size;
  55
  56         if (argc < 3) {
  57                 printf("usage: cbfsload <addr> <filename> [bytes]\n");
  58                 return 1;
  59         }
  60
  61         /* parse offset and count */
  62         offset = simple_strtoul(argv[1], NULL, 16);
  63         if (argc == 4)
  64                 count = simple_strtoul(argv[3], NULL, 16);
  65         else
  66                 count = 0;
  67
  68         file = file_cbfs_find(argv[2]);
  69         if (!file) {
  70                 if (file_cbfs_result == CBFS_FILE_NOT_FOUND)
  71                         printf("%s: %s\n", file_cbfs_error(), argv[2]);
  72                 else
  73                         printf("%s.\n", file_cbfs_error());
  74                 return 1;
  75         }
  76
  77         printf("reading %s\n", file_cbfs_name(file));
  78
  79         size = file_cbfs_read(file, (void *)offset, count);
  80
  81         printf("\n%ld bytes read\n", size);
  82
  83         setenv_hex("filesize", size);
  84
  85         return 0;
  86 }
  87
  88 U_BOOT_CMD(
  89         cbfsload,       4,      0,      do_cbfs_fsload,
  90         "load binary file from a cbfs filesystem",
  91         "<addr> <filename> [bytes]\n"
  92         "    - load binary file 'filename' from the cbfs to address 'addr'\n"
  93 );
  94
  95 static int do_cbfs_ls(cmd_tbl_t *cmdtp, int flag, int argc,
  96                       char *const argv[])
  97 {
  98         const struct cbfs_cachenode *file = file_cbfs_get_first();
  99         int files = 0;
 100
 101         if (!file) {
 102                 printf("%s.\n", file_cbfs_error());
 103                 return 1;
 104         }
 105
 106         printf("     size              type  name\n");
 107         printf("------------------------------------------\n");
 108         while (file) {
 109                 int type = file_cbfs_type(file);
 110                 char *type_name = NULL;
 111                 const char *filename = file_cbfs_name(file);
 112
 113                 printf(" %8d", file_cbfs_size(file));
 114
 115                 switch (type) {
 116                 case CBFS_TYPE_STAGE:
 117                         type_name = "stage";
 118                         break;
 119                 case CBFS_TYPE_PAYLOAD:
 120                         type_name = "payload";
 121                         break;
 122                 case CBFS_TYPE_OPTIONROM:
 123                         type_name = "option rom";
 124                         break;
 125                 case CBFS_TYPE_BOOTSPLASH:
 126                         type_name = "boot splash";
 127                         break;
 128                 case CBFS_TYPE_RAW:
 129                         type_name = "raw";
 130                         break;
 131                 case CBFS_TYPE_VSA:
 132                         type_name = "vsa";
 133                         break;
 134                 case CBFS_TYPE_MBI:
 135                         type_name = "mbi";
 136                         break;
 137                 case CBFS_TYPE_MICROCODE:
 138                         type_name = "microcode";
 139                         break;
 140                 case CBFS_COMPONENT_CMOS_DEFAULT:
 141                         type_name = "cmos default";
 142                         break;
 143                 case CBFS_COMPONENT_CMOS_LAYOUT:
 144                         type_name = "cmos layout";
 145                         break;
 146                 case -1:
 147                 case 0:
 148                         type_name = "null";
 149                         break;
 150                 }
 151                 if (type_name)
 152                         printf("  %16s", type_name);
 153                 else
 154                         printf("  %16d", type);
 155
 156                 if (filename[0])
 157                         printf("  %s\n", filename);
 158                 else
 159                         printf("  %s\n", "(empty)");
 160                 file_cbfs_get_next(&file);
 161                 files++;
 162         }
 163
 164         printf("\n%d file(s)\n\n", files);
 165         return 0;
 166 }
 167
 168 U_BOOT_CMD(
 169         cbfsls, 1,      1,      do_cbfs_ls,
 170         "list files",
 171         "    - list the files in the cbfs\n"
 172 );
 173
 174 static int do_cbfs_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc,
 175                           char *const argv[])
 176 {
 177         const struct cbfs_header *header = file_cbfs_get_header();
 178
 179         if (!header) {
 180                 printf("%s.\n", file_cbfs_error());
 181                 return 1;
 182         }
 183
 184         printf("\n");
 185         printf("CBFS version: %#x\n", header->version);
 186         printf("ROM size: %#x\n", header->rom_size);
 187         printf("Boot block size: %#x\n", header->boot_block_size);
 188         printf("CBFS size: %#x\n",
 189                 header->rom_size - header->boot_block_size - header->offset);
 190         printf("Alignment: %d\n", header->align);
 191         printf("Offset: %#x\n", header->offset);
 192         printf("\n");
 193
 194         return 0;
 195 }
 196
 197 U_BOOT_CMD(
 198         cbfsinfo,       1,      1,      do_cbfs_fsinfo,
 199         "print information about filesystem",
 200         "    - print information about the cbfs filesystem\n"
 201 );