diff options
Diffstat (limited to 'cmd/tpm-v2.c')
| -rw-r--r-- | cmd/tpm-v2.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/cmd/tpm-v2.c b/cmd/tpm-v2.c index 8564aba..8589dae 100644 --- a/cmd/tpm-v2.c +++ b/cmd/tpm-v2.c @@ -11,9 +11,30 @@ #include <tpm-v2.h> #include "tpm-user-utils.h" +static int do_tpm2_startup(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + enum tpm2_startup_types mode; + + if (argc != 2) + return CMD_RET_USAGE; + + if (!strcasecmp("TPM2_SU_CLEAR", argv[1])) { + mode = TPM2_SU_CLEAR; + } else if (!strcasecmp("TPM2_SU_STATE", argv[1])) { + mode = TPM2_SU_STATE; + } else { + printf("Couldn't recognize mode string: %s\n", argv[1]); + return CMD_RET_FAILURE; + } + + return report_return_code(tpm2_startup(mode)); +} + static cmd_tbl_t tpm2_commands[] = { U_BOOT_CMD_MKENT(info, 0, 1, do_tpm_info, "", ""), U_BOOT_CMD_MKENT(init, 0, 1, do_tpm_init, "", ""), + U_BOOT_CMD_MKENT(startup, 0, 1, do_tpm2_startup, "", ""), }; cmd_tbl_t *get_tpm_commands(unsigned int *size) @@ -30,4 +51,9 @@ U_BOOT_CMD(tpm, CONFIG_SYS_MAXARGS, 1, do_tpm, "Issue a TPMv2.x command", " Show information about the TPM.\n" "init\n" " Initialize the software stack. Always the first command to issue.\n" +"startup <mode>\n" +" Issue a TPM2_Startup command.\n" +" <mode> is one of:\n" +" * TPM2_SU_CLEAR (reset state)\n" +" * TPM2_SU_STATE (preserved state)\n" ); |