1# 2# Copyright (c) 2013-2023, Arm Limited and Contributors. All rights reserved. 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 6 7BL2_SOURCES += bl2/bl2_image_load_v2.c \ 8 bl2/bl2_main.c \ 9 bl2/${ARCH}/bl2_arch_setup.c \ 10 lib/locks/exclusive/${ARCH}/spinlock.S \ 11 plat/common/${ARCH}/platform_up_stack.S \ 12 ${MBEDTLS_SOURCES} 13 14ifeq (${ARCH},aarch64) 15BL2_SOURCES += common/aarch64/early_exceptions.S 16endif 17 18ifneq ($(findstring gcc,$(notdir $(LD))),) 19 BL2_LDFLAGS += -Wl,--sort-section=alignment 20else ifneq ($(findstring ld,$(notdir $(LD))),) 21 BL2_LDFLAGS += --sort-section=alignment 22endif 23 24ifeq (${ENABLE_RME},1) 25# Using RME, run BL2 at EL3 26include lib/gpt_rme/gpt_rme.mk 27 28BL2_SOURCES += bl2/${ARCH}/bl2_rme_entrypoint.S \ 29 bl2/${ARCH}/bl2_el3_exceptions.S \ 30 bl2/${ARCH}/bl2_run_next_image.S \ 31 ${GPT_LIB_SRCS} 32BL2_DEFAULT_LINKER_SCRIPT_SOURCE := bl2/bl2.ld.S 33 34else ifeq (${RESET_TO_BL2},0) 35# Normal operation, no RME, no BL2 at EL3 36BL2_SOURCES += bl2/${ARCH}/bl2_entrypoint.S 37BL2_DEFAULT_LINKER_SCRIPT_SOURCE := bl2/bl2.ld.S 38 39else 40# BL2 at EL3, no RME 41BL2_SOURCES += bl2/${ARCH}/bl2_el3_entrypoint.S \ 42 bl2/${ARCH}/bl2_el3_exceptions.S \ 43 bl2/${ARCH}/bl2_run_next_image.S \ 44 lib/cpus/${ARCH}/cpu_helpers.S 45 46ifeq (${DISABLE_MTPMU},1) 47BL2_SOURCES += lib/extensions/mtpmu/${ARCH}/mtpmu.S 48endif 49 50ifeq (${ARCH},aarch64) 51BL2_SOURCES += lib/cpus/aarch64/dsu_helpers.S 52endif 53 54BL2_DEFAULT_LINKER_SCRIPT_SOURCE := bl2/bl2_el3.ld.S 55endif 56