1# 2# Copyright (c) 2020-2021, Arm Limited. All rights reserved. 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 6 7# Default log level to dump the event log (LOG_LEVEL_INFO) 8EVENT_LOG_LEVEL ?= 40 9 10# TPM hash algorithm. 11# SHA-256 (or stronger) is required for all devices that are TPM 2.0 compliant. 12TPM_HASH_ALG := sha256 13 14ifeq (${TPM_HASH_ALG}, sha512) 15 TPM_ALG_ID := TPM_ALG_SHA512 16 TCG_DIGEST_SIZE := 64U 17else ifeq (${TPM_HASH_ALG}, sha384) 18 TPM_ALG_ID := TPM_ALG_SHA384 19 TCG_DIGEST_SIZE := 48U 20else 21 TPM_ALG_ID := TPM_ALG_SHA256 22 TCG_DIGEST_SIZE := 32U 23endif #TPM_HASH_ALG 24 25# Set definitions for Measured Boot driver. 26$(eval $(call add_defines,\ 27 $(sort \ 28 TPM_ALG_ID \ 29 TCG_DIGEST_SIZE \ 30 EVENT_LOG_LEVEL \ 31))) 32 33MEASURED_BOOT_SRC_DIR := drivers/measured_boot/event_log/ 34 35MEASURED_BOOT_SOURCES := ${MEASURED_BOOT_SRC_DIR}event_log.c \ 36 ${MEASURED_BOOT_SRC_DIR}event_print.c 37 38BL2_SOURCES += ${MEASURED_BOOT_SOURCES} 39BL1_SOURCES += ${MEASURED_BOOT_SOURCES} 40