cmd_cbfs.c
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/*
* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0+
*/
/*
* CBFS commands
*/
#include <common.h>
#include <command.h>
#include <cbfs.h>
int do_cbfs_init(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
uintptr_t end_of_rom = 0xffffffff;
char *ep;
if (argc > 2) {
printf("usage: cbfsls [end of rom]>\n");
return 0;
}
if (argc == 2) {
end_of_rom = (int)simple_strtoul(argv[1], &ep, 16);
if (*ep) {
puts("\n** Invalid end of ROM **\n");
return 1;
}
}
file_cbfs_init(end_of_rom);
if (file_cbfs_result != CBFS_SUCCESS) {
printf("%s.\n", file_cbfs_error());
return 1;
}
return 0;
}
U_BOOT_CMD(
cbfsinit, 2, 0, do_cbfs_init,
"initialize the cbfs driver",
"[end of rom]\n"
" - Initialize the cbfs driver. The optional 'end of rom'\n"
" parameter specifies where the end of the ROM is that the\n"
" CBFS is in. It defaults to 0xFFFFFFFF\n"
);
int do_cbfs_fsload(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
const struct cbfs_cachenode *file;
unsigned long offset;
unsigned long count;
long size;
if (argc < 3) {
printf("usage: cbfsload <addr> <filename> [bytes]\n");
return 1;
}
/* parse offset and count */
offset = simple_strtoul(argv[1], NULL, 16);
if (argc == 4)
count = simple_strtoul(argv[3], NULL, 16);
else
count = 0;
file = file_cbfs_find(argv[2]);
if (!file) {
if (file_cbfs_result == CBFS_FILE_NOT_FOUND)
printf("%s: %s\n", file_cbfs_error(), argv[2]);
else
printf("%s.\n", file_cbfs_error());
return 1;
}
printf("reading %s\n", file_cbfs_name(file));
size = file_cbfs_read(file, (void *)offset, count);
printf("\n%ld bytes read\n", size);
setenv_hex("filesize", size);
return 0;
}
U_BOOT_CMD(
cbfsload, 4, 0, do_cbfs_fsload,
"load binary file from a cbfs filesystem",
"<addr> <filename> [bytes]\n"
" - load binary file 'filename' from the cbfs to address 'addr'\n"
);
int do_cbfs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
const struct cbfs_cachenode *file = file_cbfs_get_first();
int files = 0;
if (!file) {
printf("%s.\n", file_cbfs_error());
return 1;
}
printf(" size type name\n");
printf("------------------------------------------\n");
while (file) {
u32 type = file_cbfs_type(file);
char *type_name = NULL;
const char *filename = file_cbfs_name(file);
printf(" %8d", file_cbfs_size(file));
switch (type) {
case CBFS_TYPE_STAGE:
type_name = "stage";
break;
case CBFS_TYPE_PAYLOAD:
type_name = "payload";
break;
case CBFS_TYPE_OPTIONROM:
type_name = "option rom";
break;
case CBFS_TYPE_BOOTSPLASH:
type_name = "boot splash";
break;
case CBFS_TYPE_RAW:
type_name = "raw";
break;
case CBFS_TYPE_VSA:
type_name = "vsa";
break;
case CBFS_TYPE_MBI:
type_name = "mbi";
break;
case CBFS_TYPE_MICROCODE:
type_name = "microcode";
break;
case CBFS_COMPONENT_CMOS_DEFAULT:
type_name = "cmos default";
break;
case CBFS_COMPONENT_CMOS_LAYOUT:
type_name = "cmos layout";
break;
case -1UL:
type_name = "null";
break;
}
if (type_name)
printf(" %16s", type_name);
else
printf(" %16d", type);
if (filename[0])
printf(" %s\n", filename);
else
printf(" %s\n", "(empty)");
file_cbfs_get_next(&file);
files++;
}
printf("\n%d file(s)\n\n", files);
return 0;
}
U_BOOT_CMD(
cbfsls, 1, 1, do_cbfs_ls,
"list files",
" - list the files in the cbfs\n"
);
int do_cbfs_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
const struct cbfs_header *header = file_cbfs_get_header();
if (!header) {
printf("%s.\n", file_cbfs_error());
return 1;
}
printf("\n");
printf("CBFS version: %#x\n", header->version);
printf("ROM size: %#x\n", header->rom_size);
printf("Boot block size: %#x\n", header->boot_block_size);
printf("CBFS size: %#x\n",
header->rom_size - header->boot_block_size - header->offset);
printf("Alignment: %d\n", header->align);
printf("Offset: %#x\n", header->offset);
printf("\n");
return 0;
}
U_BOOT_CMD(
cbfsinfo, 1, 1, do_cbfs_fsinfo,
"print information about filesystem",
" - print information about the cbfs filesystem\n"
);