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

157 lines
4.0 KiB
C

/*
* This file is part of the ectool project.
*
* Copyright (C) 2008-2009 coresystems GmbH
*
* 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.
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include <getopt.h>
#include <sys/io.h>
#include <ec.h>
#include <stdlib.h>
#define ECTOOL_VERSION "0.1"
void print_version(void)
{
printf("ectool v%s -- ", ECTOOL_VERSION);
printf("Copyright (C) 2008-2009 coresystems GmbH\n\n");
printf(
"This program is free software: you can redistribute it and/or modify\n"
"it under the terms of the GNU General Public License as published by\n"
"the Free Software Foundation, version 2 of the License.\n\n"
"This program is distributed in the hope that it will be useful,\n"
"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
"GNU General Public License for more details.\n\n"
"You should have received a copy of the GNU General Public License\n"
"along with this program. If not, see <http://www.gnu.org/licenses/>.\n\n");
}
void print_usage(const char *name)
{
printf("usage: %s [-vh?Vidq] [-w 0x<addr> -z 0x<data>]\n", name);
printf("\n"
" -v | --version: print the version\n"
" -h | --help: print this help\n\n"
" -V | --verbose: print debug information\n"
" -d | --dump: print RAM\n"
" -i | --idx: print IDX RAM & RAM\n"
" -q | --query: print query byte\n"
" -w <addr in hex> write to addr\n"
" -z <data in hex> write to data\n"
"\n");
exit(1);
}
int verbose = 0, dump_idx = 0, dump_ram = 0, dump_query = 0;
int main(int argc, char *argv[])
{
int i, opt, option_index = 0;
long write_data = -1;
long write_addr = -1;
static struct option long_options[] = {
{"version", 0, 0, 'v'},
{"help", 0, 0, 'h'},
{"verbose", 0, 0, 'V'},
{"idx", 0, 0, 'i'},
{"query", 0, 0, 'q'},
{0, 0, 0, 0}
};
while ((opt = getopt_long(argc, argv, "vh?Vidqw:z:",
long_options, &option_index)) != EOF) {
switch (opt) {
case 'v':
print_version();
exit(0);
break;
case 'V':
verbose = 1;
break;
case 'i':
dump_idx = 1;
dump_ram = 1;
break;
case 'w':
write_addr = strtol(optarg , NULL, 16);
break;
case 'z':
write_data = strtol(optarg , NULL, 16);
break;
case 'd':
dump_ram = 1;
break;
case 'q':
dump_query = 1;
break;
case 'h':
case '?':
default:
print_usage(argv[0]);
exit(0);
break;
}
}
if (iopl(3)) {
printf("You need to be root.\n");
exit(1);
}
if (write_addr >= 0 && write_data >= 0) {
write_addr &= 0xff;
write_data &= 0xff;
printf("\nWriting ec %02lx = %02lx\n", write_addr & 0xff, write_data & 0xff);
ec_write(write_addr & 0xff, write_data & 0xff);
}
/* preserve default - dump_ram if nothing selected */
if (!dump_ram && !dump_idx && !dump_query && !write_addr) {
dump_ram = 1;
}
if (dump_ram) {
printf("EC RAM:\n");
for (i = 0; i < 0x100; i++) {
if ((i % 0x10) == 0)
printf("\n%02x: ", i);
printf("%02x ", ec_read(i));
}
printf("\n\n");
}
if (dump_query) {
printf("EC QUERY %02x\n", ec_query());
}
if (dump_idx) {
printf("EC IDX RAM:\n");
for (i = 0; i < 0x10000; i++) {
if ((i % 0x10) == 0)
printf("\n%04x: ", i);
printf("%02x ", ec_idx_read(i));
}
printf("\n\n");
}
return 0;
}