arm-trusted-firmware/bl2/bl2.mk

#
# Copyright (c) 2013-2023, Arm Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#

BL2_SOURCES		+=	bl2/bl2_image_load_v2.c			\
				bl2/bl2_main.c				\
				bl2/${ARCH}/bl2_arch_setup.c		\
				lib/locks/exclusive/${ARCH}/spinlock.S	\
				plat/common/${ARCH}/platform_up_stack.S	\
				${MBEDTLS_SOURCES}

ifeq (${ARCH},aarch64)
BL2_SOURCES		+=	common/aarch64/early_exceptions.S
endif

ifneq ($(findstring gcc,$(notdir $(LD))),)
        BL2_LDFLAGS	+=	-Wl,--sort-section=alignment
else ifneq ($(findstring ld,$(notdir $(LD))),)
        BL2_LDFLAGS	+=	--sort-section=alignment
endif

ifeq (${ENABLE_RME},1)
# Using RME, run BL2 at EL3
include lib/gpt_rme/gpt_rme.mk

BL2_SOURCES		+=      bl2/${ARCH}/bl2_rme_entrypoint.S	\
				bl2/${ARCH}/bl2_el3_exceptions.S	\
				bl2/${ARCH}/bl2_run_next_image.S	\
				${GPT_LIB_SRCS}
BL2_DEFAULT_LINKER_SCRIPT_SOURCE := bl2/bl2.ld.S

else ifeq (${RESET_TO_BL2},0)
# Normal operation, no RME, no BL2 at EL3
BL2_SOURCES		+=	bl2/${ARCH}/bl2_entrypoint.S
BL2_DEFAULT_LINKER_SCRIPT_SOURCE := bl2/bl2.ld.S

else
# BL2 at EL3, no RME
BL2_SOURCES		+=	bl2/${ARCH}/bl2_el3_entrypoint.S	\
				bl2/${ARCH}/bl2_el3_exceptions.S	\
				bl2/${ARCH}/bl2_run_next_image.S        \
				lib/cpus/${ARCH}/cpu_helpers.S

ifeq (${ARCH},aarch64)
BL2_SOURCES		+=	lib/cpus/aarch64/dsu_helpers.S
endif

BL2_DEFAULT_LINKER_SCRIPT_SOURCE := bl2/bl2_el3.ld.S
endif