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arm-trusted-firmware/plat/imx/imx8m/imx8mm/platform.mk
Arvind Ram Prakash 42d4d3baac refactor(build): distinguish BL2 as TF-A entry point and BL2 running at EL3 
BL2_AT_EL3 is an overloaded macro which has two uses:
	1. When BL2 is entry point into TF-A(no BL1)
	2. When BL2 is running at EL3 exception level
These two scenarios are not exactly same even though first implicitly
means second to be true. To distinguish between these two use cases we
introduce new macros.
BL2_AT_EL3 is renamed to RESET_TO_BL2 to better convey both 1. and 2.
Additional macro BL2_RUNS_AT_EL3 is added to cover all scenarious where
BL2 runs at EL3 (including four world systems).

BREAKING CHANGE: BL2_AT_EL3 renamed to RESET_TO_BL2 across the
repository.

Change-Id: I477e1d0f843b44b799c216670e028fcb3509fb72
Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com>
Signed-off-by: Maksims Svecovs <maksims.svecovs@arm.com>
2023-03-15 11:43:14 +00:00

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Makefile
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#
# Copyright (c) 2019-2023, ARM Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
#
# Translation tables library
include lib/xlat_tables_v2/xlat_tables.mk
PLAT_INCLUDES := -Iplat/imx/common/include \
-Iplat/imx/imx8m/include \
-Iplat/imx/imx8m/imx8mm/include \
-Idrivers/imx/usdhc \
-Iinclude/common/tbbr \
-Iinclude/lib/libfdt
# Include GICv3 driver files
include drivers/arm/gic/v3/gicv3.mk
include lib/libfdt/libfdt.mk
IMX_DRAM_SOURCES := plat/imx/imx8m/ddr/dram.c \
plat/imx/imx8m/ddr/clock.c \
plat/imx/imx8m/ddr/dram_retention.c \
plat/imx/imx8m/ddr/ddr4_dvfs.c \
plat/imx/imx8m/ddr/lpddr4_dvfs.c
IMX_GIC_SOURCES := ${GICV3_SOURCES} \
plat/common/plat_gicv3.c \
plat/common/plat_psci_common.c \
plat/imx/common/plat_imx8_gic.c
BL31_SOURCES += plat/imx/common/imx8_helpers.S \
plat/imx/imx8m/gpc_common.c \
plat/imx/imx8m/imx_hab.c \
plat/imx/imx8m/imx_aipstz.c \
plat/imx/imx8m/imx_rdc.c \
plat/imx/imx8m/imx8m_csu.c \
plat/imx/imx8m/imx8m_caam.c \
plat/imx/imx8m/imx8m_psci_common.c \
plat/imx/imx8m/imx8mm/imx8mm_bl31_setup.c \
plat/imx/imx8m/imx8mm/imx8mm_psci.c \
plat/imx/imx8m/imx8mm/gpc.c \
plat/imx/common/imx8_topology.c \
plat/imx/common/imx_sip_handler.c \
plat/imx/common/imx_sip_svc.c \
plat/imx/common/imx_uart_console.S \
lib/cpus/aarch64/cortex_a53.S \
drivers/arm/tzc/tzc380.c \
drivers/delay_timer/delay_timer.c \
drivers/delay_timer/generic_delay_timer.c \
${XLAT_TABLES_LIB_SRCS} \
${IMX_DRAM_SOURCES} \
${IMX_GIC_SOURCES}
ifeq (${NEED_BL2},yes)
BL2_SOURCES += common/desc_image_load.c \
common/fdt_wrappers.c \
plat/imx/common/imx8_helpers.S \
plat/imx/common/imx_uart_console.S \
plat/imx/imx8m/imx8mm/imx8mm_bl2_el3_setup.c \
plat/imx/imx8m/imx8mm/gpc.c \
plat/imx/imx8m/imx_aipstz.c \
plat/common/plat_psci_common.c \
lib/xlat_tables/aarch64/xlat_tables.c \
lib/xlat_tables/xlat_tables_common.c \
lib/cpus/aarch64/cortex_a53.S \
drivers/delay_timer/delay_timer.c \
drivers/delay_timer/generic_delay_timer.c \
${PLAT_GIC_SOURCES} \
${PLAT_DRAM_SOURCES} \
drivers/mmc/mmc.c \
drivers/io/io_block.c \
drivers/io/io_fip.c \
drivers/io/io_memmap.c \
drivers/io/io_storage.c \
drivers/imx/usdhc/imx_usdhc.c \
plat/imx/imx8m/imx8mm/imx8mm_bl2_mem_params_desc.c \
plat/imx/common/imx_io_storage.c \
plat/imx/imx8m/imx8m_image_load.c \
lib/optee/optee_utils.c
endif
# Add the build options to pack BLx images and kernel device tree
# in the FIP if the platform requires.
ifneq ($(BL2),)
RESET_TO_BL31 := 0
$(eval $(call TOOL_ADD_PAYLOAD,${BUILD_PLAT}/tb_fw.crt,--tb-fw-cert))
endif
ifneq ($(BL32_EXTRA1),)
$(eval $(call TOOL_ADD_IMG,BL32_EXTRA1,--tos-fw-extra1))
endif
ifneq ($(BL32_EXTRA2),)
$(eval $(call TOOL_ADD_IMG,BL32_EXTRA2,--tos-fw-extra2))
endif
ifneq ($(HW_CONFIG),)
$(eval $(call TOOL_ADD_IMG,HW_CONFIG,--hw-config))
endif
ifeq (${NEED_BL2},yes)
$(eval $(call add_define,NEED_BL2))
LOAD_IMAGE_V2 := 1
# Non-TF Boot ROM
RESET_TO_BL2 := 1
endif
ifneq (${TRUSTED_BOARD_BOOT},0)
include drivers/auth/mbedtls/mbedtls_crypto.mk
include drivers/auth/mbedtls/mbedtls_x509.mk
AUTH_SOURCES := drivers/auth/auth_mod.c \
drivers/auth/crypto_mod.c \
drivers/auth/img_parser_mod.c \
drivers/auth/tbbr/tbbr_cot_common.c \
drivers/auth/tbbr/tbbr_cot_bl2.c
BL2_SOURCES += ${AUTH_SOURCES} \
plat/common/tbbr/plat_tbbr.c \
plat/imx/imx8m/imx8mm/imx8mm_trusted_boot.c \
plat/imx/imx8m/imx8mm/imx8mm_rotpk.S
ROT_KEY = $(BUILD_PLAT)/rot_key.pem
ROTPK_HASH = $(BUILD_PLAT)/rotpk_sha256.bin
$(eval $(call add_define_val,ROTPK_HASH,'"$(ROTPK_HASH)"'))
$(eval $(call MAKE_LIB_DIRS))
$(BUILD_PLAT)/bl2/imx8mm_rotpk.o: $(ROTPK_HASH)
certificates: $(ROT_KEY)
$(ROT_KEY): | $(BUILD_PLAT)
@echo " OPENSSL $@"
@if [ ! -f $(ROT_KEY) ]; then \
${OPENSSL_BIN_PATH}/openssl genrsa 2048 > $@ 2>/dev/null; \
fi
$(ROTPK_HASH): $(ROT_KEY)
@echo " OPENSSL $@"
$(Q)${OPENSSL_BIN_PATH}/openssl rsa -in $< -pubout -outform DER 2>/dev/null |\
${OPENSSL_BIN_PATH}/openssl dgst -sha256 -binary > $@ 2>/dev/null
endif
ENABLE_PIE := 1
USE_COHERENT_MEM := 1
RESET_TO_BL31 := 1
A53_DISABLE_NON_TEMPORAL_HINT := 0
ERRATA_A53_835769 := 1
ERRATA_A53_843419 := 1
ERRATA_A53_855873 := 1
BL32_BASE ?= 0xbe000000
$(eval $(call add_define,BL32_BASE))
BL32_SIZE ?= 0x2000000
$(eval $(call add_define,BL32_SIZE))
IMX_BOOT_UART_BASE ?= 0x30890000
$(eval $(call add_define,IMX_BOOT_UART_BASE))
EL3_EXCEPTION_HANDLING := $(SDEI_SUPPORT)
ifeq (${SDEI_SUPPORT}, 1)
BL31_SOURCES += plat/imx/common/imx_ehf.c \
plat/imx/common/imx_sdei.c
endif
ifeq (${MEASURED_BOOT},1)
MEASURED_BOOT_MK := drivers/measured_boot/event_log/event_log.mk
$(info Including ${MEASURED_BOOT_MK})
include ${MEASURED_BOOT_MK}
ifneq (${MBOOT_EL_HASH_ALG}, sha256)
$(eval $(call add_define,TF_MBEDTLS_MBOOT_USE_SHA512))
endif
BL2_SOURCES += plat/imx/imx8m/imx8m_measured_boot.c \
plat/imx/imx8m/imx8m_dyn_cfg_helpers.c \
${EVENT_LOG_SOURCES}
endif
ifeq (${SPD},trusty)
BL31_CFLAGS += -DPLAT_XLAT_TABLES_DYNAMIC=1
endif
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