diff options
| -rw-r--r-- | tpm.c | 46 |
1 files changed, 0 insertions, 46 deletions
@@ -70,41 +70,6 @@ static BOOLEAN tpm2_present(EFI_TCG2_BOOT_SERVICE_CAPABILITY *caps, return FALSE; } -static inline EFI_TCG2_EVENT_LOG_BITMAP -tpm2_get_supported_logs(efi_tpm2_protocol_t *tpm, - EFI_TCG2_BOOT_SERVICE_CAPABILITY *caps, - BOOLEAN old_caps) -{ - if (old_caps) - return ((TREE_BOOT_SERVICE_CAPABILITY *)caps)->SupportedEventLogs; - - return caps->SupportedEventLogs; -} - -/* - * According to TCG EFI Protocol Specification for TPM 2.0 family, - * all events generated after the invocation of EFI_TCG2_GET_EVENT_LOG - * shall be stored in an instance of an EFI_CONFIGURATION_TABLE aka - * EFI TCG 2.0 final events table. Hence, it is necessary to trigger the - * internal switch through calling get_event_log() in order to allow - * to retrieve the logs from OS runtime. - */ -static EFI_STATUS trigger_tcg2_final_events_table(efi_tpm2_protocol_t *tpm2, - EFI_TCG2_EVENT_LOG_BITMAP supported_logs) -{ - EFI_TCG2_EVENT_LOG_FORMAT log_fmt; - EFI_PHYSICAL_ADDRESS start; - EFI_PHYSICAL_ADDRESS end; - BOOLEAN truncated; - - if (supported_logs & EFI_TCG2_EVENT_LOG_FORMAT_TCG_2) - log_fmt = EFI_TCG2_EVENT_LOG_FORMAT_TCG_2; - else - log_fmt = EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2; - - return tpm2->get_event_log(tpm2, log_fmt, &start, &end, &truncated); -} - static EFI_STATUS tpm_locate_protocol(efi_tpm_protocol_t **tpm, efi_tpm2_protocol_t **tpm2, BOOLEAN *old_caps_p, @@ -166,17 +131,6 @@ static EFI_STATUS tpm_log_event_raw(EFI_PHYSICAL_ADDRESS buf, UINTN size, #endif } else if (tpm2) { EFI_TCG2_EVENT *event; - EFI_TCG2_EVENT_LOG_BITMAP supported_logs; - - supported_logs = tpm2_get_supported_logs(tpm2, &caps, old_caps); - - efi_status = trigger_tcg2_final_events_table(tpm2, - supported_logs); - if (EFI_ERROR(efi_status)) { - perror(L"Unable to trigger tcg2 final events table: %r\n", - efi_status); - return efi_status; - } event = AllocatePool(sizeof(*event) + logsize); if (!event) { |