162 lines
4.1 KiB
C
162 lines
4.1 KiB
C
/*
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* cbfstool
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*
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* Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
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*/
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/* v2 compat: First, assumes a 64K bootblock.
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* cbfstool coreboot.rom create 0x80000 coreboot.strip
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* cbfstool coreboot.rom add-payload /tmp/filo.elf payload
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* cbfstool coreboot.rom extract new_filo.elf payload
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* cbfstool coreboot.rom print
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*/
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#include <string.h>
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#include <unistd.h>
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#include <libgen.h>
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#include <sys/mman.h>
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#include "cbfstool.h"
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extern int create_handler(struct rom *, int, char **);
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extern int bootblock_handler(struct rom *, int, char **);
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extern int print_handler(struct rom *, int, char **);
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extern int add_handler(struct rom *, int, char **);
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extern int extract_handler(struct rom *, int, char **);
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extern int delete_handler(struct rom *, int, char **);
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extern int resize_handler(struct rom *, int, char **);
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extern int add_payload_handler(struct rom *, int, char **);
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extern int add_stage_handler(struct rom *, int, char **);
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extern void create_usage(void);
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extern void bootblock_usage(void);
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extern void print_usage(void);
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extern void add_usage(void);
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extern void delete_usage(void);
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extern void extract_usage(void);
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extern void resize_usage(void);
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extern void add_payload_usage(void);
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extern void add_stage_usage(void);
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struct {
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char *command;
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int (*handler) (struct rom *, int, char **);
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void (*help) (void);
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} commands[] = {
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{
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"add", add_handler, add_usage}, {
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"add-payload", add_payload_handler, add_payload_usage}, {
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"add-stage", add_stage_handler, add_stage_usage}, {
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"bootblock", bootblock_handler, bootblock_usage}, {
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"create", create_handler, create_usage}, {
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"delete", delete_handler, delete_usage}, {
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"extract", extract_handler, extract_usage}, {
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"print", print_handler, print_usage}, {
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"resize", resize_handler, resize_usage}, {
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"", NULL, NULL},};
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static struct rom rom;
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char cbfstool_bindir[255];
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void show_help(void)
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{
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int i;
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printf("cbfstool [OPTION] [[FILE] [COMMAND] [PARAMETERS]...\n");
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printf("Apply COMMANDS with PARAMETERS to FILE. If no COMMAND is\n");
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printf("given, run in interactive mode\n\n");
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printf("OPTIONs:\n");
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printf(" -h\t\tDisplay this help message\n");
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printf(" -C <dir>\tChange to the directory before operating\n\n");
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printf("COMMANDs:\n");
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for (i = 0; commands[i].handler != NULL; i++)
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commands[i].help();
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}
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int main(int argc, char **argv)
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{
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char *cdir = NULL;
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char *rname;
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char *cmd;
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int ret = -1, i;
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strncpy(cbfstool_bindir, dirname(argv[0]), 254);
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while (1) {
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signed ch = getopt(argc, argv, "hC:");
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if (ch == -1)
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break;
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switch (ch) {
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case 'h':
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show_help();
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return -1;
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case 'C':
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cdir = optarg;
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break;
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}
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}
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if (optind >= argc) {
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show_help();
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return -1;
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}
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if (cdir != NULL && chdir(cdir)) {
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ERROR("Unable to switch to %s: %m\n", cdir);
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return -1;
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}
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rname = argv[optind];
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cmd = optind + 1 < argc ? argv[optind + 1] : NULL;
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/* Open the ROM (if it exists) */
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rom.name = (unsigned char *)strdup(rname);
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if (!access(rname, F_OK)) {
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if (open_rom(&rom, rname)) {
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ERROR("Problem while reading the ROM\n");
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return -1;
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}
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}
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if (cmd) {
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/* Process the incoming comand */
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for (i = 0; commands[i].handler != NULL; i++) {
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if (!strcmp(commands[i].command, cmd)) {
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ret = commands[i].handler(&rom,
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argc - 3, &argv[3]);
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goto leave;
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}
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}
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ERROR("Command %s not valid\n", cmd);
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} else {
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printf("Interactive mode not ready yet!\n");
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}
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leave:
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if (rom.ptr != NULL && rom.ptr != MAP_FAILED)
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munmap(rom.ptr, rom.size);
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if (rom.fd > 0)
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close(rom.fd);
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return ret;
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}
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