diff options
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/tpm-common.c | 20 | ||||
| -rw-r--r-- | cmd/tpm-user-utils.h | 2 | ||||
| -rw-r--r-- | cmd/tpm-v2.c | 3 |
3 files changed, 25 insertions, 0 deletions
diff --git a/cmd/tpm-common.c b/cmd/tpm-common.c index 47adaffd18..d0c63cadf4 100644 --- a/cmd/tpm-common.c +++ b/cmd/tpm-common.c @@ -333,6 +333,26 @@ int do_tpm_info(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) return 0; } +int do_tpm_report_state(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + struct udevice *dev; + char buf[80]; + int rc; + + rc = get_tpm(&dev); + if (rc) + return rc; + rc = tpm_report_state(dev, buf, sizeof(buf)); + if (rc < 0) { + printf("Couldn't get TPM state (%d)\n", rc); + return CMD_RET_FAILURE; + } + printf("%s\n", buf); + + return 0; +} + int do_tpm_init(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { struct udevice *dev; diff --git a/cmd/tpm-user-utils.h b/cmd/tpm-user-utils.h index 358ddff576..de4a934aab 100644 --- a/cmd/tpm-user-utils.h +++ b/cmd/tpm-user-utils.h @@ -21,6 +21,8 @@ int do_tpm_device(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]); int do_tpm_init(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]); int do_tpm_info(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]); +int do_tpm_report_state(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]); int do_tpm(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]); #endif /* __TPM_USER_UTILS_H */ diff --git a/cmd/tpm-v2.c b/cmd/tpm-v2.c index 4ea5f9f094..d93b83ada9 100644 --- a/cmd/tpm-v2.c +++ b/cmd/tpm-v2.c @@ -359,6 +359,7 @@ static int do_tpm_pcr_setauthvalue(struct cmd_tbl *cmdtp, int flag, static struct cmd_tbl tpm2_commands[] = { U_BOOT_CMD_MKENT(device, 0, 1, do_tpm_device, "", ""), U_BOOT_CMD_MKENT(info, 0, 1, do_tpm_info, "", ""), + U_BOOT_CMD_MKENT(state, 0, 1, do_tpm_report_state, "", ""), U_BOOT_CMD_MKENT(init, 0, 1, do_tpm_init, "", ""), U_BOOT_CMD_MKENT(startup, 0, 1, do_tpm2_startup, "", ""), U_BOOT_CMD_MKENT(self_test, 0, 1, do_tpm2_self_test, "", ""), @@ -389,6 +390,8 @@ U_BOOT_CMD(tpm2, CONFIG_SYS_MAXARGS, 1, do_tpm, "Issue a TPMv2.x command", " Show all devices or set the specified device\n" "info\n" " Show information about the TPM.\n" +"state\n" +" Show internal state from the TPM (if available)\n" "init\n" " Initialize the software stack. Always the first command to issue.\n" "startup <mode>\n" |