cmd/cbfs.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
   4  */
   5
   6 /*
   7  * CBFS commands
   8  */
   9 #include <command.h>
  10 #include <env.h>
  11 #include <cbfs.h>
  12 #include <vsprintf.h>
  13
  14 static int do_cbfs_init(struct cmd_tbl *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 = hextoul(argv[1], &ep);
  26                 if (*ep) {
  27                         puts("\n** Invalid end of ROM **\n");
  28                         return 1;
  29                 }
  30         }
  31         if (file_cbfs_init(end_of_rom)) {
  32                 printf("%s.\n", file_cbfs_error());
  33                 return 1;
  34         }
  35         return 0;
  36 }
  37
  38 U_BOOT_CMD(
  39         cbfsinit,       2,      0,      do_cbfs_init,
  40         "initialize the cbfs driver",
  41         "[end of rom]\n"
  42         "    - Initialize the cbfs driver. The optional 'end of rom'\n"
  43         "      parameter specifies where the end of the ROM is that the\n"
  44         "      CBFS is in. It defaults to 0xFFFFFFFF\n"
  45 );
  46
  47 static int do_cbfs_fsload(struct cmd_tbl *cmdtp, int flag, int argc,
  48                           char *const argv[])
  49 {
  50         const struct cbfs_cachenode *file;
  51         unsigned long offset;
  52         unsigned long count;
  53         long size;
  54
  55         if (argc < 3) {
  56                 printf("usage: cbfsload <addr> <filename> [bytes]\n");
  57                 return 1;
  58         }
  59
  60         /* parse offset and count */
  61         offset = hextoul(argv[1], NULL);
  62         if (argc == 4)
  63                 count = hextoul(argv[3], NULL);
  64         else
  65                 count = 0;
  66
  67         file = file_cbfs_find(argv[2]);
  68         if (!file) {
  69                 if (cbfs_get_result() == CBFS_FILE_NOT_FOUND)
  70                         printf("%s: %s\n", file_cbfs_error(), argv[2]);
  71                 else
  72                         printf("%s.\n", file_cbfs_error());
  73                 return 1;
  74         }
  75
  76         printf("reading %s\n", file_cbfs_name(file));
  77
  78         size = file_cbfs_read(file, (void *)offset, count);
  79
  80         printf("\n%ld bytes read\n", size);
  81
  82         env_set_hex("filesize", size);
  83
  84         return 0;
  85 }
  86
  87 U_BOOT_CMD(
  88         cbfsload,       4,      0,      do_cbfs_fsload,
  89         "load binary file from a cbfs filesystem",
  90         "<addr> <filename> [bytes]\n"
  91         "    - load binary file 'filename' from the cbfs to address 'addr'\n"
  92 );
  93
  94 static int do_cbfs_ls(struct cmd_tbl *cmdtp, int flag, int argc,
  95                       char *const argv[])
  96 {
  97         const struct cbfs_cachenode *file = file_cbfs_get_first();
  98         int files = 0;
  99
 100         if (!file) {
 101                 printf("%s.\n", file_cbfs_error());
 102                 return 1;
 103         }
 104
 105         printf("     size              type  name\n");
 106         printf("------------------------------------------\n");
 107         while (file) {
 108                 int type = file_cbfs_type(file);
 109                 char *type_name = NULL;
 110                 const char *filename = file_cbfs_name(file);
 111
 112                 printf(" %8d", file_cbfs_size(file));
 113
 114                 switch (type) {
 115                 case CBFS_TYPE_BOOTBLOCK:
 116                         type_name = "bootblock";
 117                         break;
 118                 case CBFS_TYPE_CBFSHEADER:
 119                         type_name = "cbfs header";
 120                         break;
 121                 case CBFS_TYPE_LEGACY_STAGE:
 122                         type_name = "stage";
 123                         break;
 124                 case CBFS_TYPE_PAYLOAD:
 125                         type_name = "payload";
 126                         break;
 127                 case CBFS_TYPE_FIT:
 128                         type_name = "fit";
 129                         break;
 130                 case CBFS_TYPE_OPTIONROM:
 131                         type_name = "option rom";
 132                         break;
 133                 case CBFS_TYPE_BOOTSPLASH:
 134                         type_name = "boot splash";
 135                         break;
 136                 case CBFS_TYPE_RAW:
 137                         type_name = "raw";
 138                         break;
 139                 case CBFS_TYPE_VSA:
 140                         type_name = "vsa";
 141                         break;
 142                 case CBFS_TYPE_MBI:
 143                         type_name = "mbi";
 144                         break;
 145                 case CBFS_TYPE_MICROCODE:
 146                         type_name = "microcode";
 147                         break;
 148                 case CBFS_TYPE_FSP:
 149                         type_name = "fsp";
 150                         break;
 151                 case CBFS_TYPE_MRC:
 152                         type_name = "mrc";
 153                         break;
 154                 case CBFS_TYPE_MMA:
 155                         type_name = "mma";
 156                         break;
 157                 case CBFS_TYPE_EFI:
 158                         type_name = "efi";
 159                         break;
 160                 case CBFS_TYPE_STRUCT:
 161                         type_name = "struct";
 162                         break;
 163                 case CBFS_TYPE_CMOS_DEFAULT:
 164                         type_name = "cmos default";
 165                         break;
 166                 case CBFS_TYPE_SPD:
 167                         type_name = "spd";
 168                         break;
 169                 case CBFS_TYPE_MRC_CACHE:
 170                         type_name = "mrc cache";
 171                         break;
 172                 case CBFS_TYPE_CMOS_LAYOUT:
 173                         type_name = "cmos layout";
 174                         break;
 175                 case -1:
 176                 case 0:
 177                         type_name = "null";
 178                         break;
 179                 }
 180                 if (type_name)
 181                         printf("  %16s", type_name);
 182                 else
 183                         printf("  %16d", type);
 184
 185                 if (filename[0])
 186                         printf("  %s\n", filename);
 187                 else
 188                         printf("  %s\n", "(empty)");
 189                 file_cbfs_get_next(&file);
 190                 files++;
 191         }
 192
 193         printf("\n%d file(s)\n\n", files);
 194         return 0;
 195 }
 196
 197 U_BOOT_CMD(
 198         cbfsls, 1,      1,      do_cbfs_ls,
 199         "list files",
 200         "    - list the files in the cbfs\n"
 201 );
 202
 203 static int do_cbfs_fsinfo(struct cmd_tbl *cmdtp, int flag, int argc,
 204                           char *const argv[])
 205 {
 206         const struct cbfs_header *header = file_cbfs_get_header();
 207
 208         if (!header) {
 209                 printf("%s.\n", file_cbfs_error());
 210                 return 1;
 211         }
 212
 213         printf("\n");
 214         printf("CBFS version: %#x\n", header->version);
 215         printf("ROM size: %#x\n", header->rom_size);
 216         printf("Boot block size: %#x\n", header->boot_block_size);
 217         printf("CBFS size: %#x\n",
 218                 header->rom_size - header->boot_block_size - header->offset);
 219         printf("Alignment: %d\n", header->align);
 220         printf("Offset: %#x\n", header->offset);
 221         printf("\n");
 222
 223         return 0;
 224 }
 225
 226 U_BOOT_CMD(
 227         cbfsinfo,       1,      1,      do_cbfs_fsinfo,
 228         "print information about filesystem",
 229         "    - print information about the cbfs filesystem\n"
 230 );