diff options
Diffstat (limited to 'drivers/measured_boot/event_log/event_log.mk')
| -rw-r--r-- | drivers/measured_boot/event_log/event_log.mk | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/measured_boot/event_log/event_log.mk b/drivers/measured_boot/event_log/event_log.mk new file mode 100644 index 000000000..37e5e291d --- /dev/null +++ b/drivers/measured_boot/event_log/event_log.mk @@ -0,0 +1,50 @@ +# +# Copyright (c) 2020-2021, Arm Limited. All rights reserved. +# +# SPDX-License-Identifier: BSD-3-Clause +# + +# Default log level to dump the event log (LOG_LEVEL_INFO) +EVENT_LOG_LEVEL ?= 40 + +# TPM hash algorithm. +# SHA-256 (or stronger) is required for all devices that are TPM 2.0 compliant. +TPM_HASH_ALG := sha256 + +ifeq (${TPM_HASH_ALG}, sha512) + MBEDTLS_MD_ID := MBEDTLS_MD_SHA512 + TPM_ALG_ID := TPM_ALG_SHA512 + TCG_DIGEST_SIZE := 64U +else ifeq (${TPM_HASH_ALG}, sha384) + MBEDTLS_MD_ID := MBEDTLS_MD_SHA384 + TPM_ALG_ID := TPM_ALG_SHA384 + TCG_DIGEST_SIZE := 48U +else + MBEDTLS_MD_ID := MBEDTLS_MD_SHA256 + TPM_ALG_ID := TPM_ALG_SHA256 + TCG_DIGEST_SIZE := 32U +endif + + +# Set definitions for mbed TLS library and Measured Boot driver +$(eval $(call add_defines,\ + $(sort \ + MBEDTLS_MD_ID \ + TPM_ALG_ID \ + TCG_DIGEST_SIZE \ + EVENT_LOG_LEVEL \ +))) + +ifeq (${HASH_ALG}, sha256) + ifneq (${TPM_HASH_ALG}, sha256) + $(eval $(call add_define,MBEDTLS_SHA512_C)) + endif +endif + +MEASURED_BOOT_SRC_DIR := drivers/measured_boot/event_log/ + +MEASURED_BOOT_SOURCES := ${MEASURED_BOOT_SRC_DIR}event_log.c \ + ${MEASURED_BOOT_SRC_DIR}event_print.c + +BL2_SOURCES += ${MEASURED_BOOT_SOURCES} +BL1_SOURCES += ${MEASURED_BOOT_SOURCES} |