1#
2# Copyright (c) 2020-2022, 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# Measured Boot hash algorithm.
11# SHA-256 (or stronger) is required for all devices that are TPM 2.0 compliant.
12ifdef TPM_HASH_ALG
13    $(warning "TPM_HASH_ALG is deprecated. Please use MBOOT_EL_HASH_ALG instead.")
14    MBOOT_EL_HASH_ALG		:=	${TPM_HASH_ALG}
15else
16    MBOOT_EL_HASH_ALG		:=	sha256
17endif
18
19ifeq (${MBOOT_EL_HASH_ALG}, sha512)
20    TPM_ALG_ID			:=	TPM_ALG_SHA512
21    TCG_DIGEST_SIZE		:=	64U
22else ifeq (${MBOOT_EL_HASH_ALG}, sha384)
23    TPM_ALG_ID			:=	TPM_ALG_SHA384
24    TCG_DIGEST_SIZE		:=	48U
25else
26    TPM_ALG_ID			:=	TPM_ALG_SHA256
27    TCG_DIGEST_SIZE		:=	32U
28endif #MBOOT_EL_HASH_ALG
29
30# Set definitions for Measured Boot driver.
31$(eval $(call add_defines,\
32    $(sort \
33        TPM_ALG_ID \
34        TCG_DIGEST_SIZE \
35        EVENT_LOG_LEVEL \
36)))
37
38EVENT_LOG_SRC_DIR	:= drivers/measured_boot/event_log/
39
40EVENT_LOG_SOURCES	:= ${EVENT_LOG_SRC_DIR}event_log.c		\
41			   ${EVENT_LOG_SRC_DIR}event_print.c
42