coreboot-kgpe-d16/util/cbfstool/cbfstool.c

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/*
* cbfstool, CLI utility for CBFS file manipulation
*
* Copyright (C) 2009 coresystems GmbH
* written by Patrick Georgi <patrick.georgi@coresystems.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "common.h"
#include "cbfs.h"
typedef enum {
CMD_ADD,
CMD_ADD_PAYLOAD,
CMD_ADD_STAGE,
CMD_CREATE,
CMD_LOCATE,
CMD_PRINT,
CMD_EXTRACT,
} cmd_t;
struct command {
cmd_t id;
const char *name;
int (*function) (int argc, char **argv);
};
static int cbfs_add(int argc, char **argv)
{
char *romname = argv[1];
char *cmd = argv[2];
void *rom = loadrom(romname);
if (rom == NULL) {
printf("Could not load ROM image '%s'.\n", romname);
return 1;
}
if (argc < 5) {
printf("not enough arguments to '%s'.\n", cmd);
return 1;
}
char *filename = argv[3];
char *cbfsname = argv[4];
uint32_t filesize = 0;
void *filedata = loadfile(filename, &filesize, 0, SEEK_SET);
if (filedata == NULL) {
printf("Could not load file '%s'.\n", filename);
return 1;
}
uint32_t base = 0;
void *cbfsfile = NULL;
if (argc < 6) {
printf("not enough arguments to 'add'.\n");
return 1;
}
uint32_t type;
if (intfiletype(argv[5]) != ((uint64_t) - 1))
type = intfiletype(argv[5]);
else
type = strtoul(argv[5], NULL, 0);
if (argc > 6) {
base = strtoul(argv[6], NULL, 0);
}
cbfsfile = create_cbfs_file(cbfsname, filedata, &filesize, type, &base);
if (add_file_to_cbfs(cbfsfile, filesize, base)) {
printf("Adding file '%s' failed.\n", filename);
return 1;
}
if (writerom(romname, rom, romsize))
return 1;
return 0;
}
static int cbfs_add_payload(int argc, char **argv)
{
char *romname = argv[1];
char *cmd = argv[2];
void *rom = loadrom(romname);
if (rom == NULL) {
printf("Could not load ROM image '%s'.\n", romname);
return 1;
}
if (argc < 5) {
printf("not enough arguments to '%s'.\n", cmd);
return 1;
}
char *filename = argv[3];
char *cbfsname = argv[4];
uint32_t filesize = 0;
void *filedata = loadfile(filename, &filesize, 0, SEEK_SET);
if (filedata == NULL) {
printf("Could not load file '%s'.\n", filename);
return 1;
}
uint32_t base = 0;
void *cbfsfile = NULL;
comp_algo algo = CBFS_COMPRESS_NONE;
if (argc > 5) {
if (argv[5][0] == 'l')
algo = CBFS_COMPRESS_LZMA;
}
if (argc > 6) {
base = strtoul(argv[6], NULL, 0);
}
unsigned char *payload;
filesize = parse_elf_to_payload(filedata, &payload, algo);
cbfsfile =
create_cbfs_file(cbfsname, payload, &filesize,
CBFS_COMPONENT_PAYLOAD, &base);
if (add_file_to_cbfs(cbfsfile, filesize, base)) {
printf("Adding payload '%s' failed.\n", filename);
return 1;
}
if (writerom(romname, rom, romsize))
return 1;
return 0;
}
static int cbfs_add_stage(int argc, char **argv)
{
char *romname = argv[1];
char *cmd = argv[2];
void *rom = loadrom(romname);
if (rom == NULL) {
printf("Could not load ROM image '%s'.\n", romname);
return 1;
}
if (argc < 5) {
printf("not enough arguments to '%s'.\n", cmd);
return 1;
}
char *filename = argv[3];
char *cbfsname = argv[4];
uint32_t filesize = 0;
void *filedata = loadfile(filename, &filesize, 0, SEEK_SET);
if (filedata == NULL) {
printf("Could not load file '%s'.\n", filename);
return 1;
}
uint32_t base = 0;
void *cbfsfile = NULL;
comp_algo algo = CBFS_COMPRESS_NONE;
if (argc > 5) {
if (argv[5][0] == 'l')
algo = CBFS_COMPRESS_LZMA;
}
if (argc > 6) {
base = strtoul(argv[6], NULL, 0);
}
unsigned char *stage;
filesize = parse_elf_to_stage(filedata, &stage, algo, &base);
cbfsfile =
create_cbfs_file(cbfsname, stage, &filesize,
CBFS_COMPONENT_STAGE, &base);
if (add_file_to_cbfs(cbfsfile, filesize, base)) {
printf("Adding stage '%s' failed.\n", filename);
return 1;
}
if (writerom(romname, rom, romsize))
return 1;
return 0;
}
static int cbfs_create(int argc, char **argv)
{
char *romname = argv[1];
if (argc < 5) {
printf("not enough arguments to 'create'.\n");
return 1;
}
char* suffix;
uint32_t size = strtoul(argv[3], &suffix, 0);
if (tolower(suffix[0])=='k') {
size *= 1024;
}
if (tolower(suffix[0])=='m') {
size *= 1024 * 1024;
}
char *bootblock = argv[4];
uint32_t align = 0;
if (argc > 5)
align = strtoul(argv[5], NULL, 0);
return create_cbfs_image(romname, size, bootblock, align);
}
static int cbfs_locate(int argc, char **argv)
{
char *romname = argv[1];
if (argc < 6) {
printf("not enough arguments to 'locate'.\n");
return 1;
}
const char *file = argv[3];
uint32_t filesize = getfilesize(file);
const char *filename = argv[4];
int align = strtoul(argv[5], NULL, 0);
uint32_t location = cbfs_find_location(romname, filesize, filename, align);
printf("%x\n", location);
return location == 0 ? 1 : 0;
}
static int cbfs_print(int argc, char **argv)
{
char *romname = argv[1];
void *rom = loadrom(romname);
if (rom == NULL) {
printf("Could not load ROM image '%s'.\n", romname);
return 1;
}
print_cbfs_directory(romname);
return 0;
}
static int cbfs_extract(int argc, char **argv)
{
char *romname = argv[1];
void *rom = loadrom(romname);
if (rom == NULL) {
printf("Could not load ROM image '%s'.\n", romname);
return 1;
}
if (argc != 5)
{
printf("Error: you must specify a CBFS name and a file to dump it in.\n");
return 1;
}
return extract_file_from_cbfs(romname, argv[3], argv[4]);
}
static const struct command commands[] = {
{CMD_ADD, "add", cbfs_add},
{CMD_ADD_PAYLOAD, "add-payload", cbfs_add_payload},
{CMD_ADD_STAGE, "add-stage", cbfs_add_stage},
{CMD_CREATE, "create", cbfs_create},
{CMD_LOCATE, "locate", cbfs_locate},
{CMD_PRINT, "print", cbfs_print},
{CMD_EXTRACT, "extract", cbfs_extract},
};
static void usage(void)
{
printf
("cbfstool: Management utility for CBFS formatted ROM images\n\n"
"USAGE:\n" " cbfstool [-h]\n"
" cbfstool FILE COMMAND [PARAMETERS]...\n\n" "OPTIONs:\n"
" -h Display this help message\n\n"
"COMMANDs:\n"
" add FILE NAME TYPE [base address] Add a component\n"
" add-payload FILE NAME [COMP] [base] Add a payload to the ROM\n"
" add-stage FILE NAME [COMP] [base] Add a stage to the ROM\n"
" create SIZE BOOTBLOCK [ALIGN] Create a ROM file\n"
" locate FILE NAME ALIGN Find a place for a file of that size\n"
" print Show the contents of the ROM\n"
" extract NAME FILE Extracts a raw payload from ROM\n"
"\n"
"TYPEs:\n"
);
print_supported_filetypes();
}
/* Small, OS/libc independent runtime check
* for endianess
*/
int host_bigendian = 0;
static void which_endian(void)
{
char test[4] = "1234";
uint32_t inttest = *(uint32_t *) test;
if (inttest == 0x31323334) {
host_bigendian = 1;
}
}
int main(int argc, char **argv)
{
int i;
if (argc < 3) {
usage();
return 1;
}
which_endian();
char *cmd = argv[2];
for (i = 0; i < ARRAY_SIZE(commands); i++) {
if (strcmp(cmd, commands[i].name) != 0)
continue;
return commands[i].function(argc, argv);
}
printf("Unknown command '%s'.\n", cmd);
usage();
return 1;
}