diff options
-rw-r--r-- | extra/usb_updater/gsctool.c | 62 | ||||
-rw-r--r-- | include/tpm_vendor_cmds.h | 3 |
2 files changed, 65 insertions, 0 deletions
diff --git a/extra/usb_updater/gsctool.c b/extra/usb_updater/gsctool.c index bfe02915fb..80c6de4b61 100644 --- a/extra/usb_updater/gsctool.c +++ b/extra/usb_updater/gsctool.c @@ -524,6 +524,9 @@ static const struct option_container cmd_line_options[] = { "[enable] Get the current WP setting or enable WP"}, {{"clog", required_argument, NULL, 'x'}, "[id]%Retrieve contents of the crash log with id <id>"}, + {{"factory_config", optional_argument, NULL, 'y'}, + "[value]%Sets the factory config bits in INFO. value should be 64 " + "bit hex."}, {{"reboot", optional_argument, NULL, 'z'}, "Tell the GSC to reboot with an optional reset timeout parameter " "in milliseconds"}, @@ -3947,6 +3950,46 @@ static int get_console_logs(struct transfer_descriptor *td) return 0; } +static int process_get_factory_config(struct transfer_descriptor *td) +{ + uint32_t rv; + uint8_t response[8] = {0}; + size_t response_size = sizeof(response); + + rv = send_vendor_command(td, VENDOR_CC_GET_FACTORY_CONFIG, NULL, + 0, response, &response_size); + if (rv != VENDOR_RC_SUCCESS) { + printf("Set factory config failed. (%X)\n", rv); + return 1; + } + + if (response_size < sizeof(uint64_t)) { + printf("Unexpected response size. (%zu)", response_size); + return 2; + } + + uint64_t out = be64toh(*(uint64_t *) response); + + printf("%lX\n", out); + return 0; +} + +static int process_set_factory_config(struct transfer_descriptor *td, + uint64_t val) +{ + uint64_t val_be = htobe64(val); + uint32_t rv; + + rv = send_vendor_command(td, VENDOR_CC_SET_FACTORY_CONFIG, &val_be, + sizeof(val_be), NULL, NULL); + if (rv != VENDOR_RC_SUCCESS) { + printf("Factory config failed. (%X)\n", rv); + return 1; + } + + return 0; +} + int main(int argc, char *argv[]) { @@ -4012,6 +4055,9 @@ int main(int argc, char *argv[]) int get_clog = 0; uint32_t clog_id = 0; int get_console = 0; + int factory_config = 0; + int set_factory_config = 0; + uint64_t factory_config_arg = 0; /* * All options which result in setting a Boolean flag to True, along @@ -4246,6 +4292,13 @@ int main(int argc, char *argv[]) get_clog = 1; clog_id = strtoul(optarg, NULL, 0); break; + case 'y': + factory_config = 1; + if (optarg) { + set_factory_config = 1; + factory_config_arg = strtoull(optarg, NULL, 16); + } + break; case 'z': reboot_gsc = true; /* Set a 1ms default reboot time to avoid libusb errors @@ -4305,6 +4358,7 @@ int main(int argc, char *argv[]) !get_console && !get_flog && !get_endorsement_seed && + !factory_config && !factory_mode && !erase_ap_ro_hash && !password && @@ -4464,6 +4518,14 @@ int main(int argc, char *argv[]) if (get_console) exit(get_console_logs(&td)); + if (factory_config) { + if (set_factory_config) + exit(process_set_factory_config(&td, + factory_config_arg)); + else + exit(process_get_factory_config(&td)); + } + if (data || show_fw_ver) { setup_connection(&td); diff --git a/include/tpm_vendor_cmds.h b/include/tpm_vendor_cmds.h index 0eab55da7b..ba8c1a208c 100644 --- a/include/tpm_vendor_cmds.h +++ b/include/tpm_vendor_cmds.h @@ -198,6 +198,9 @@ enum vendor_cmd_cc { VENDOR_CC_GET_CRASHLOG = 66, VENDOR_CC_GET_CONSOLE_LOGS = 67, + VENDOR_CC_GET_FACTORY_CONFIG = 68, + VENDOR_CC_SET_FACTORY_CONFIG = 69, + LAST_VENDOR_COMMAND = 65535, }; |