blob: e3399c067504a2299c6ce96a54f1b70da906f5b9 [file] [log] [blame]
#
# 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
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
# Event Log length in bytes
EVENT_LOG_SIZE := 1024
# Set definitions for mbed TLS library and Measured Boot driver
$(eval $(call add_defines,\
$(sort \
MBEDTLS_MD_ID \
TPM_ALG_ID \
TCG_DIGEST_SIZE \
EVENT_LOG_SIZE \
EVENT_LOG_LEVEL \
)))
ifeq (${HASH_ALG}, sha256)
ifneq (${TPM_HASH_ALG}, sha256)
$(eval $(call add_define,MBEDTLS_SHA512_C))
endif
endif
MEASURED_BOOT_SRC_DIR := drivers/measured_boot/
MEASURED_BOOT_SOURCES := ${MEASURED_BOOT_SRC_DIR}event_log.c \
${MEASURED_BOOT_SRC_DIR}event_print.c
BL2_SOURCES += ${MEASURED_BOOT_SOURCES}