1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/measured_boot/measured_boot.mk b/drivers/measured_boot/measured_boot.mk
new file mode 100644
index 000000000..497fdbaae
--- /dev/null
+++ b/drivers/measured_boot/measured_boot.mk
@@ -0,0 +1,52 @@
+#
+# Copyright (c) 2020, 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}measured_boot.c	\
+    			   ${MEASURED_BOOT_SRC_DIR}event_log.c		\
+    			   ${MEASURED_BOOT_SRC_DIR}event_print.c
+
+BL2_SOURCES		+= ${MEASURED_BOOT_SOURCES}