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/*
* cbfstool
*
* Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net>
*
* 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
*/
/* v2 compat: First, assumes a 64K bootblock.
* cbfstool coreboot.rom create 0x80000 coreboot.strip
* cbfstool coreboot.rom add-payload /tmp/filo.elf payload
* cbfstool coreboot.rom extract new_filo.elf payload
* cbfstool coreboot.rom print
*/
#include <string.h>
#include <unistd.h>
#include <libgen.h>
#include <sys/mman.h>
#include "cbfstool.h"
extern int create_handler(struct rom *, int, char **);
extern int bootblock_handler(struct rom *, int, char **);
extern int print_handler(struct rom *, int, char **);
extern int add_handler(struct rom *, int, char **);
extern int extract_handler(struct rom *, int, char **);
extern int delete_handler(struct rom *, int, char **);
extern int resize_handler(struct rom *, int, char **);
extern int add_payload_handler(struct rom *, int, char **);
extern int add_stage_handler(struct rom *, int, char **);
extern void create_usage(void);
extern void bootblock_usage(void);
extern void print_usage(void);
extern void add_usage(void);
extern void delete_usage(void);
extern void extract_usage(void);
extern void resize_usage(void);
extern void add_payload_usage(void);
extern void add_stage_usage(void);
struct {
char *command;
int (*handler) (struct rom *, int, char **);
void (*help) (void);
} commands[] = {
{
"add", add_handler, add_usage}, {
"add-payload", add_payload_handler, add_payload_usage}, {
"add-stage", add_stage_handler, add_stage_usage}, {
"bootblock", bootblock_handler, bootblock_usage}, {
"create", create_handler, create_usage}, {
"delete", delete_handler, delete_usage}, {
"extract", extract_handler, extract_usage}, {
"print", print_handler, print_usage}, {
"resize", resize_handler, resize_usage}, {
"", NULL},};
static struct rom rom;
char cbfstool_bindir[255];
void show_help(void)
{
int i;
printf("cbfstool [OPTION] [[FILE] [COMMAND] [PARAMETERS]...\n");
printf("Apply COMMANDS with PARAMETERS to FILE. If no COMMAND is\n");
printf("given, run in interactive mode\n\n");
printf("OPTIONs:\n");
printf(" -h\t\tDisplay this help message\n");
printf(" -C <dir>\tChange to the directory before operating\n\n");
printf("COMMANDs:\n");
for (i = 0; commands[i].handler != NULL; i++)
commands[i].help();
}
int main(int argc, char **argv)
{
char *cdir = NULL;
char *rname;
char *cmd;
int ret = -1, i;
strncpy(cbfstool_bindir, dirname(argv[0]), 254);
while (1) {
signed ch = getopt(argc, argv, "hC:");
if (ch == -1)
break;
switch (ch) {
case 'h':
show_help();
return -1;
case 'C':
cdir = optarg;
break;
}
}
if (optind >= argc) {
show_help();
return -1;
}
if (cdir != NULL && chdir(cdir)) {
ERROR("Unable to switch to %s: %m\n", cdir);
return -1;
}
rname = argv[optind];
cmd = optind + 1 < argc ? argv[optind + 1] : NULL;
/* Open the ROM (if it exists) */
rom.name = (unsigned char *)strdup(rname);
if (!access(rname, F_OK)) {
if (open_rom(&rom, rname)) {
ERROR("Problem while reading the ROM\n");
return -1;
}
}
if (cmd) {
/* Process the incoming comand */
for (i = 0; commands[i].handler != NULL; i++) {
if (!strcmp(commands[i].command, cmd)) {
ret = commands[i].handler(&rom,
argc - 3, &argv[3]);
goto leave;
}
}
ERROR("Command %s not valid\n", cmd);
} else {
printf("Interactive mode not ready yet!\n");
}
leave:
if (rom.ptr != NULL && rom.ptr != MAP_FAILED)
munmap(rom.ptr, rom.size);
if (rom.fd > 0)
close(rom.fd);
return ret;
}
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