diff options
| -rw-r--r-- | util/cbmem/cbmem.c | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/util/cbmem/cbmem.c b/util/cbmem/cbmem.c index 31950e22a3..1cb7b8dd40 100644 --- a/util/cbmem/cbmem.c +++ b/util/cbmem/cbmem.c @@ -21,6 +21,8 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <unistd.h> +#include <getopt.h> #include "stdlib.h" #include "boot/coreboot_tables.h" @@ -32,6 +34,8 @@ typedef uint64_t u64; #include "cbmem.h" #include "timestamp.h" +#define CBMEM_VERSION "1.0" + /* File descriptor used to access /dev/mem */ static FILE* fd; @@ -246,11 +250,58 @@ static void dump_timestamps(const struct timestamp_table *tst_p) } } +void print_version(void) +{ + printf("cbmem v%s -- ", CBMEM_VERSION); + printf("Copyright (C) 2012 The ChromiumOS Authors. All rights reserved.\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?]\n", name); + printf("\n" + " -v | --version: print the version\n" + " -h | --help: print this help\n" + "\n"); + exit(1); +} int main(int argc, char** argv) { int j; - static const int possible_base_addresses[] = {0, 0xf0000}; + static const int possible_base_addresses[] = { 0, 0xf0000 }; + + int opt, option_index = 0; + static struct option long_options[] = { + {"version", 0, 0, 'v'}, + {"help", 0, 0, 'h'}, + {0, 0, 0, 0} + }; + while ((opt = getopt_long(argc, argv, "vh?", + long_options, &option_index)) != EOF) { + switch (opt) { + case 'v': + print_version(); + exit(0); + break; + case 'h': + case '?': + default: + print_usage(argv[0]); + exit(0); + break; + } + } fd = fopen("/dev/mem", "r"); if (!fd) { |