diff options
Diffstat (limited to 'firmware/lib/tpm2_lite/tlcl.c')
| -rw-r--r-- | firmware/lib/tpm2_lite/tlcl.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/firmware/lib/tpm2_lite/tlcl.c b/firmware/lib/tpm2_lite/tlcl.c index 0af34d08..56829f11 100644 --- a/firmware/lib/tpm2_lite/tlcl.c +++ b/firmware/lib/tpm2_lite/tlcl.c @@ -522,3 +522,22 @@ uint32_t TlclGetRandom(uint8_t *data, uint32_t length, uint32_t *size) VB2_DEBUG("NOT YET IMPLEMENTED\n"); return TPM_E_IOERROR; } + +uint32_t TlclGetVersion(uint32_t* vendor, uint64_t* firmware_version) +{ + uint32_t result = tlcl_get_tpm_property(TPM_PT_MANUFACTURER, vendor); + if (result != TPM_SUCCESS) + return result; + + uint32_t version_1; + uint32_t version_2; + result = tlcl_get_tpm_property(TPM_PT_FIRMWARE_VERSION_1, &version_1); + if (result != TPM_SUCCESS) + return result; + result = tlcl_get_tpm_property(TPM_PT_FIRMWARE_VERSION_2, &version_2); + if (result != TPM_SUCCESS) + return result; + + *firmware_version = ((uint64_t) version_1 << 32) | version_2; + return TPM_SUCCESS; +} |