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 int do_cbfs_init(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  15 {
  16         uintptr_t end_of_rom = 0xffffffff;
  17         char *ep;
  18
  19         if (argc > 2) {
  20                 printf("usage: cbfsls [end of rom]>\n");
  21                 return 0;
  22         }
  23         if (argc == 2) {
  24                 end_of_rom = (int)simple_strtoul(argv[1], &ep, 16);
  25                 if (*ep) {
  26                         puts("\n** Invalid end of ROM **\n");
  27                         return 1;
  28                 }
  29         }
  30         file_cbfs_init(end_of_rom);
  31         if (file_cbfs_result != CBFS_SUCCESS) {
  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 int do_cbfs_fsload(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  48 {
  49         const struct cbfs_cachenode *file;
  50         unsigned long offset;
  51         unsigned long count;
  52         long size;
  53
  54         if (argc < 3) {
  55                 printf("usage: cbfsload <addr> <filename> [bytes]\n");
  56                 return 1;
  57         }
  58
  59         /* parse offset and count */
  60         offset = simple_strtoul(argv[1], NULL, 16);
  61         if (argc == 4)
  62                 count = simple_strtoul(argv[3], NULL, 16);
  63         else
  64                 count = 0;
  65
  66         file = file_cbfs_find(argv[2]);
  67         if (!file) {
  68                 if (file_cbfs_result == CBFS_FILE_NOT_FOUND)
  69                         printf("%s: %s\n", file_cbfs_error(), argv[2]);
  70                 else
  71                         printf("%s.\n", file_cbfs_error());
  72                 return 1;
  73         }
  74
  75         printf("reading %s\n", file_cbfs_name(file));
  76
  77         size = file_cbfs_read(file, (void *)offset, count);
  78
  79         printf("\n%ld bytes read\n", size);
  80
  81         setenv_hex("filesize", size);
  82
  83         return 0;
  84 }
  85
  86 U_BOOT_CMD(
  87         cbfsload,       4,      0,      do_cbfs_fsload,
  88         "load binary file from a cbfs filesystem",
  89         "<addr> <filename> [bytes]\n"
  90         "    - load binary file 'filename' from the cbfs to address 'addr'\n"
  91 );
  92
  93 int do_cbfs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  94 {
  95         const struct cbfs_cachenode *file = file_cbfs_get_first();
  96         int files = 0;
  97
  98         if (!file) {
  99                 printf("%s.\n", file_cbfs_error());
 100                 return 1;
 101         }
 102
 103         printf("     size              type  name\n");
 104         printf("------------------------------------------\n");
 105         while (file) {
 106                 u32 type = file_cbfs_type(file);
 107                 char *type_name = NULL;
 108                 const char *filename = file_cbfs_name(file);
 109
 110                 printf(" %8d", file_cbfs_size(file));
 111
 112                 switch (type) {
 113                 case CBFS_TYPE_STAGE:
 114                         type_name = "stage";
 115                         break;
 116                 case CBFS_TYPE_PAYLOAD:
 117                         type_name = "payload";
 118                         break;
 119                 case CBFS_TYPE_OPTIONROM:
 120                         type_name = "option rom";
 121                         break;
 122                 case CBFS_TYPE_BOOTSPLASH:
 123                         type_name = "boot splash";
 124                         break;
 125                 case CBFS_TYPE_RAW:
 126                         type_name = "raw";
 127                         break;
 128                 case CBFS_TYPE_VSA:
 129                         type_name = "vsa";
 130                         break;
 131                 case CBFS_TYPE_MBI:
 132                         type_name = "mbi";
 133                         break;
 134                 case CBFS_TYPE_MICROCODE:
 135                         type_name = "microcode";
 136                         break;
 137                 case CBFS_COMPONENT_CMOS_DEFAULT:
 138                         type_name = "cmos default";
 139                         break;
 140                 case CBFS_COMPONENT_CMOS_LAYOUT:
 141                         type_name = "cmos layout";
 142                         break;
 143                 case -1UL:
 144                         type_name = "null";
 145                         break;
 146                 }
 147                 if (type_name)
 148                         printf("  %16s", type_name);
 149                 else
 150                         printf("  %16d", type);
 151
 152                 if (filename[0])
 153                         printf("  %s\n", filename);
 154                 else
 155                         printf("  %s\n", "(empty)");
 156                 file_cbfs_get_next(&file);
 157                 files++;
 158         }
 159
 160         printf("\n%d file(s)\n\n", files);
 161         return 0;
 162 }
 163
 164 U_BOOT_CMD(
 165         cbfsls, 1,      1,      do_cbfs_ls,
 166         "list files",
 167         "    - list the files in the cbfs\n"
 168 );
 169
 170 int do_cbfs_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
 171 {
 172         const struct cbfs_header *header = file_cbfs_get_header();
 173
 174         if (!header) {
 175                 printf("%s.\n", file_cbfs_error());
 176                 return 1;
 177         }
 178
 179         printf("\n");
 180         printf("CBFS version: %#x\n", header->version);
 181         printf("ROM size: %#x\n", header->rom_size);
 182         printf("Boot block size: %#x\n", header->boot_block_size);
 183         printf("CBFS size: %#x\n",
 184                 header->rom_size - header->boot_block_size - header->offset);
 185         printf("Alignment: %d\n", header->align);
 186         printf("Offset: %#x\n", header->offset);
 187         printf("\n");
 188
 189         return 0;
 190 }
 191
 192 U_BOOT_CMD(
 193         cbfsinfo,       1,      1,      do_cbfs_fsinfo,
 194         "print information about filesystem",
 195         "    - print information about the cbfs filesystem\n"
 196 );