diff --git a/util/ectool/ectool.c b/util/ectool/ectool.c index cb6f280f4c..585ae5faf1 100644 --- a/util/ectool/ectool.c +++ b/util/ectool/ectool.c @@ -52,6 +52,7 @@ void print_usage(const char *name) " -d | --dump: print RAM\n" " -i | --idx: print IDX RAM & RAM\n" " -q | --query: print query byte\n" + " -r read from addr\n" " -w write to addr\n" " -z write to data\n" "\n"); @@ -65,6 +66,7 @@ int main(int argc, char *argv[]) int i, opt, option_index = 0; long write_data = -1; long write_addr = -1; + long read_addr = -1; static struct option long_options[] = { {"version", 0, 0, 'v'}, @@ -81,7 +83,7 @@ int main(int argc, char *argv[]) exit(1); } - while ((opt = getopt_long(argc, argv, "vh?Vidqpw:z:", + while ((opt = getopt_long(argc, argv, "vh?Vidqpr:w:z:", long_options, &option_index)) != EOF) { switch (opt) { case 'v': @@ -95,6 +97,9 @@ int main(int argc, char *argv[]) dump_idx = 1; dump_ram = 1; break; + case 'r': + read_addr = strtol(optarg , NULL, 16); + break; case 'w': write_addr = strtol(optarg , NULL, 16); break; @@ -133,6 +138,7 @@ int main(int argc, char *argv[]) printf("You need to be root.\n"); exit(1); } + if (write_addr >= 0 && write_data >= 0) { write_addr &= 0xff; write_data &= 0xff; @@ -140,6 +146,11 @@ int main(int argc, char *argv[]) ec_write(write_addr & 0xff, write_data & 0xff); } + if (read_addr >= 0) { + printf("%02x", ec_read(read_addr)); + exit(0); + } + /* preserve default - dump_ram if nothing selected */ if (!dump_ram && !dump_idx && !dump_query && (write_addr == -1)) dump_ram = 1;