| Harrison Mutai | b674809 | 2025-04-25 16:03:03 +0000 | [diff] [blame] | 1 | # |
| 2 | # Copyright (c) 2020-2025, Arm Limited. All rights reserved. |
| 3 | # |
| 4 | # SPDX-License-Identifier: BSD-3-Clause |
| 5 | # |
| 6 | |
| 7 | # Path to library sources |
| 8 | EVENT_LOG_SRC_DIR := lib/event_log/ |
| 9 | |
| 10 | # Default log level to dump the event log (LOG_LEVEL_INFO) |
| 11 | EVENT_LOG_LEVEL ?= 40 |
| 12 | |
| 13 | EVENT_LOG_SOURCES := ${EVENT_LOG_SRC_DIR}event_print.c |
| 14 | |
| 15 | INCLUDES += -Iinclude/lib/event_log \ |
| 16 | -Iinclude/drivers/auth |
| 17 | |
| 18 | ifdef CRYPTO_SUPPORT |
| 19 | # Measured Boot hash algorithm. |
| 20 | # SHA-256 (or stronger) is required for all devices that are TPM 2.0 compliant. |
| 21 | ifdef TPM_HASH_ALG |
| 22 | $(warning "TPM_HASH_ALG is deprecated. Please use MBOOT_EL_HASH_ALG instead.") |
| 23 | MBOOT_EL_HASH_ALG := ${TPM_HASH_ALG} |
| 24 | else |
| 25 | MBOOT_EL_HASH_ALG := sha256 |
| 26 | endif |
| 27 | |
| 28 | ifeq (${MBOOT_EL_HASH_ALG}, sha512) |
| 29 | TPM_ALG_ID := TPM_ALG_SHA512 |
| 30 | TCG_DIGEST_SIZE := 64U |
| 31 | else ifeq (${MBOOT_EL_HASH_ALG}, sha384) |
| 32 | TPM_ALG_ID := TPM_ALG_SHA384 |
| 33 | TCG_DIGEST_SIZE := 48U |
| 34 | else |
| 35 | TPM_ALG_ID := TPM_ALG_SHA256 |
| 36 | TCG_DIGEST_SIZE := 32U |
| 37 | endif #MBOOT_EL_HASH_ALG |
| 38 | |
| 39 | # Set definitions for event log library. |
| 40 | $(eval $(call add_define,TFTF_DEFINES,TPM_ALG_ID)) |
| 41 | $(eval $(call add_define,TFTF_DEFINES,EVENT_LOG_LEVEL)) |
| 42 | $(eval $(call add_define,TFTF_DEFINES,TCG_DIGEST_SIZE)) |
| 43 | |
| 44 | EVENT_LOG_SOURCES := ${EVENT_LOG_SRC_DIR}event_log.c |
| 45 | |
| 46 | INCLUDES += -Iinclude/lib/event_log \ |
| 47 | -Iinclude/drivers/auth |
| 48 | |
| 49 | ifeq (${TRANSFER_LIST}, 1) |
| 50 | EVENT_LOG_SOURCES += ${EVENT_LOG_SRC_DIR}/event_handoff.c |
| 51 | INCLUDES += -Iinclude/lib |
| 52 | endif |
| 53 | |
| 54 | endif |