# # Copyright (c) 2015-2021, ARM Limited and Contributors. All rights reserved. # # SPDX-License-Identifier: BSD-3-Clause # ifeq (${ARCH}, aarch64) # On ARM standard platorms, the TSP can execute from Trusted SRAM, Trusted # DRAM (if available) or the TZC secured area of DRAM. # TZC secured DRAM is the default. ARM_TSP_RAM_LOCATION ?= dram ifeq (${ARM_TSP_RAM_LOCATION}, tsram) ARM_TSP_RAM_LOCATION_ID = ARM_TRUSTED_SRAM_ID else ifeq (${ARM_TSP_RAM_LOCATION}, tdram) ARM_TSP_RAM_LOCATION_ID = ARM_TRUSTED_DRAM_ID else ifeq (${ARM_TSP_RAM_LOCATION}, dram) ARM_TSP_RAM_LOCATION_ID = ARM_DRAM_ID else $(error "Unsupported ARM_TSP_RAM_LOCATION value") endif # Process flags # Process ARM_BL31_IN_DRAM flag ARM_BL31_IN_DRAM := 0 $(eval $(call assert_boolean,ARM_BL31_IN_DRAM)) $(eval $(call add_define,ARM_BL31_IN_DRAM)) else ARM_TSP_RAM_LOCATION_ID = ARM_TRUSTED_SRAM_ID endif $(eval $(call add_define,ARM_TSP_RAM_LOCATION_ID)) # For the original power-state parameter format, the State-ID can be encoded # according to the recommended encoding or zero. This flag determines which # State-ID encoding to be parsed. ARM_RECOM_STATE_ID_ENC := 0 # If the PSCI_EXTENDED_STATE_ID is set, then ARM_RECOM_STATE_ID_ENC need to # be set. Else throw a build error. ifeq (${PSCI_EXTENDED_STATE_ID}, 1) ifeq (${ARM_RECOM_STATE_ID_ENC}, 0) $(error Build option ARM_RECOM_STATE_ID_ENC needs to be set if \ PSCI_EXTENDED_STATE_ID is set for ARM platforms) endif endif # Process ARM_RECOM_STATE_ID_ENC flag $(eval $(call assert_boolean,ARM_RECOM_STATE_ID_ENC)) $(eval $(call add_define,ARM_RECOM_STATE_ID_ENC)) # Process ARM_DISABLE_TRUSTED_WDOG flag # By default, Trusted Watchdog is always enabled unless SPIN_ON_BL1_EXIT is set ARM_DISABLE_TRUSTED_WDOG := 0 ifeq (${SPIN_ON_BL1_EXIT}, 1) ARM_DISABLE_TRUSTED_WDOG := 1 endif $(eval $(call assert_boolean,ARM_DISABLE_TRUSTED_WDOG)) $(eval $(call add_define,ARM_DISABLE_TRUSTED_WDOG)) # Process ARM_CONFIG_CNTACR ARM_CONFIG_CNTACR := 1 $(eval $(call assert_boolean,ARM_CONFIG_CNTACR)) $(eval $(call add_define,ARM_CONFIG_CNTACR)) # Process ARM_BL31_IN_DRAM flag ARM_BL31_IN_DRAM := 0 $(eval $(call assert_boolean,ARM_BL31_IN_DRAM)) $(eval $(call add_define,ARM_BL31_IN_DRAM)) # Process ARM_PLAT_MT flag ARM_PLAT_MT := 0 $(eval $(call assert_boolean,ARM_PLAT_MT)) $(eval $(call add_define,ARM_PLAT_MT)) # Use translation tables library v2 by default ARM_XLAT_TABLES_LIB_V1 := 0 $(eval $(call assert_boolean,ARM_XLAT_TABLES_LIB_V1)) $(eval $(call add_define,ARM_XLAT_TABLES_LIB_V1)) # Don't have the Linux kernel as a BL33 image by default ARM_LINUX_KERNEL_AS_BL33 := 0 $(eval $(call assert_boolean,ARM_LINUX_KERNEL_AS_BL33)) $(eval $(call add_define,ARM_LINUX_KERNEL_AS_BL33)) ifeq (${ARM_LINUX_KERNEL_AS_BL33},1) ifneq (${ARCH},aarch64) ifneq (${RESET_TO_SP_MIN},1) $(error "ARM_LINUX_KERNEL_AS_BL33 is only available if RESET_TO_SP_MIN=1.") endif endif ifndef PRELOADED_BL33_BASE $(error "PRELOADED_BL33_BASE must be set if ARM_LINUX_KERNEL_AS_BL33 is used.") endif ifndef ARM_PRELOADED_DTB_BASE $(error "ARM_PRELOADED_DTB_BASE must be set if ARM_LINUX_KERNEL_AS_BL33 is used.") endif $(eval $(call add_define,ARM_PRELOADED_DTB_BASE)) endif # Arm Ethos-N NPU SiP service ARM_ETHOSN_NPU_DRIVER := 0 $(eval $(call assert_boolean,ARM_ETHOSN_NPU_DRIVER)) $(eval $(call add_define,ARM_ETHOSN_NPU_DRIVER)) # Use an implementation of SHA-256 with a smaller memory footprint but reduced # speed. $(eval $(call add_define,MBEDTLS_SHA256_SMALLER)) # Add the build options to pack Trusted OS Extra1 and Trusted OS Extra2 images # in the FIP if the platform requires. ifneq ($(BL32_EXTRA1),) $(eval $(call TOOL_ADD_IMG,bl32_extra1,--tos-fw-extra1)) endif ifneq ($(BL32_EXTRA2),) $(eval $(call TOOL_ADD_IMG,bl32_extra2,--tos-fw-extra2)) endif # Enable PSCI_STAT_COUNT/RESIDENCY APIs on ARM platforms ENABLE_PSCI_STAT := 1 ENABLE_PMF := 1 # Override the standard libc with optimised libc_asm OVERRIDE_LIBC := 1 ifeq (${OVERRIDE_LIBC},1) include lib/libc/libc_asm.mk endif # On ARM platforms, separate the code and read-only data sections to allow # mapping the former as executable and the latter as execute-never. SEPARATE_CODE_AND_RODATA := 1 # On ARM platforms, disable SEPARATE_NOBITS_REGION by default. Both PROGBITS # and NOBITS sections of BL31 image are adjacent to each other and loaded # into Trusted SRAM. SEPARATE_NOBITS_REGION := 0 # In order to support SEPARATE_NOBITS_REGION for Arm platforms, we need to load # BL31 PROGBITS into secure DRAM space and BL31 NOBITS into SRAM. Hence mandate # the build to require that ARM_BL31_IN_DRAM is enabled as well. ifeq ($(SEPARATE_NOBITS_REGION),1) ifneq ($(ARM_BL31_IN_DRAM),1) $(error For SEPARATE_NOBITS_REGION, ARM_BL31_IN_DRAM must be enabled) endif ifneq ($(RECLAIM_INIT_CODE),0) $(error For SEPARATE_NOBITS_REGION, RECLAIM_INIT_CODE cannot be supported) endif endif # Disable ARM Cryptocell by default ARM_CRYPTOCELL_INTEG := 0 $(eval $(call assert_boolean,ARM_CRYPTOCELL_INTEG)) $(eval $(call add_define,ARM_CRYPTOCELL_INTEG)) # Enable PIE support for RESET_TO_BL31 case ifeq (${RESET_TO_BL31},1) ENABLE_PIE := 1 endif # CryptoCell integration relies on coherent buffers for passing data from # the AP CPU to the CryptoCell ifeq (${ARM_CRYPTOCELL_INTEG},1) ifeq (${USE_COHERENT_MEM},0) $(error "ARM_CRYPTOCELL_INTEG needs USE_COHERENT_MEM to be set.") endif endif ifeq (${ARCH}, aarch64) PLAT_INCLUDES += -Iinclude/plat/arm/common/aarch64 endif PLAT_BL_COMMON_SOURCES += plat/arm/common/${ARCH}/arm_helpers.S \ plat/arm/common/arm_common.c \ plat/arm/common/arm_console.c ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1) PLAT_BL_COMMON_SOURCES += lib/xlat_tables/xlat_tables_common.c \ lib/xlat_tables/${ARCH}/xlat_tables.c else include lib/xlat_tables_v2/xlat_tables.mk PLAT_BL_COMMON_SOURCES += ${XLAT_TABLES_LIB_SRCS} endif ARM_IO_SOURCES += plat/arm/common/arm_io_storage.c \ plat/arm/common/fconf/arm_fconf_io.c ifeq (${SPD},spmd) ifeq (${SPMD_SPM_AT_SEL2},1) ARM_IO_SOURCES += plat/arm/common/fconf/arm_fconf_sp.c endif endif BL1_SOURCES += drivers/io/io_fip.c \ drivers/io/io_memmap.c \ drivers/io/io_storage.c \ plat/arm/common/arm_bl1_setup.c \ plat/arm/common/arm_err.c \ ${ARM_IO_SOURCES} ifdef EL3_PAYLOAD_BASE # Need the plat_arm_program_trusted_mailbox() function to release secondary CPUs from # their holding pen BL1_SOURCES += plat/arm/common/arm_pm.c endif BL2_SOURCES += drivers/delay_timer/delay_timer.c \ drivers/delay_timer/generic_delay_timer.c \ drivers/io/io_fip.c \ drivers/io/io_memmap.c \ drivers/io/io_storage.c \ plat/arm/common/arm_bl2_setup.c \ plat/arm/common/arm_err.c \ ${ARM_IO_SOURCES} # Firmware Configuration Framework sources include lib/fconf/fconf.mk # Add `libfdt` and Arm common helpers required for Dynamic Config include lib/libfdt/libfdt.mk DYN_CFG_SOURCES += plat/arm/common/arm_dyn_cfg.c \ plat/arm/common/arm_dyn_cfg_helpers.c \ common/fdt_wrappers.c BL1_SOURCES += ${DYN_CFG_SOURCES} BL2_SOURCES += ${DYN_CFG_SOURCES} ifeq (${BL2_AT_EL3},1) BL2_SOURCES += plat/arm/common/arm_bl2_el3_setup.c endif # Because BL1/BL2 execute in AArch64 mode but BL32 in AArch32 we need to use # the AArch32 descriptors. ifeq (${JUNO_AARCH32_EL3_RUNTIME},1) BL2_SOURCES += plat/arm/common/aarch32/arm_bl2_mem_params_desc.c else BL2_SOURCES += plat/arm/common/${ARCH}/arm_bl2_mem_params_desc.c endif BL2_SOURCES += plat/arm/common/arm_image_load.c \ common/desc_image_load.c ifeq (${SPD},opteed) BL2_SOURCES += lib/optee/optee_utils.c endif BL2U_SOURCES += drivers/delay_timer/delay_timer.c \ drivers/delay_timer/generic_delay_timer.c \ plat/arm/common/arm_bl2u_setup.c BL31_SOURCES += plat/arm/common/arm_bl31_setup.c \ plat/arm/common/arm_pm.c \ plat/arm/common/arm_topology.c \ plat/common/plat_psci_common.c ifneq ($(filter 1,${ENABLE_PMF} ${ARM_ETHOSN_NPU_DRIVER}),) ARM_SVC_HANDLER_SRCS := ifeq (${ENABLE_PMF},1) ARM_SVC_HANDLER_SRCS += lib/pmf/pmf_smc.c endif ifeq (${ARM_ETHOSN_NPU_DRIVER},1) ARM_SVC_HANDLER_SRCS += plat/arm/common/fconf/fconf_ethosn_getter.c \ drivers/delay_timer/delay_timer.c \ drivers/arm/ethosn/ethosn_smc.c endif ifeq (${ARCH}, aarch64) BL31_SOURCES += plat/arm/common/aarch64/execution_state_switch.c\ plat/arm/common/arm_sip_svc.c \ ${ARM_SVC_HANDLER_SRCS} else BL32_SOURCES += plat/arm/common/arm_sip_svc.c \ ${ARM_SVC_HANDLER_SRCS} endif endif ifeq (${EL3_EXCEPTION_HANDLING},1) BL31_SOURCES += plat/common/aarch64/plat_ehf.c endif ifeq (${SDEI_SUPPORT},1) BL31_SOURCES += plat/arm/common/aarch64/arm_sdei.c ifeq (${SDEI_IN_FCONF},1) BL31_SOURCES += plat/arm/common/fconf/fconf_sdei_getter.c endif endif # RAS sources ifeq (${RAS_EXTENSION},1) BL31_SOURCES += lib/extensions/ras/std_err_record.c \ lib/extensions/ras/ras_common.c endif # Pointer Authentication sources ifeq (${ENABLE_PAUTH}, 1) PLAT_BL_COMMON_SOURCES += plat/arm/common/aarch64/arm_pauth.c \ lib/extensions/pauth/pauth_helpers.S endif ifeq (${SPD},spmd) BL31_SOURCES += plat/common/plat_spmd_manifest.c \ common/fdt_wrappers.c \ ${LIBFDT_SRCS} endif ifneq (${TRUSTED_BOARD_BOOT},0) # Include common TBB sources AUTH_SOURCES := drivers/auth/auth_mod.c \ drivers/auth/crypto_mod.c \ drivers/auth/img_parser_mod.c \ lib/fconf/fconf_tbbr_getter.c # Include the selected chain of trust sources. ifeq (${COT},tbbr) BL1_SOURCES += drivers/auth/tbbr/tbbr_cot_common.c \ drivers/auth/tbbr/tbbr_cot_bl1.c ifneq (${COT_DESC_IN_DTB},0) BL2_SOURCES += lib/fconf/fconf_cot_getter.c else BL2_SOURCES += drivers/auth/tbbr/tbbr_cot_common.c \ drivers/auth/tbbr/tbbr_cot_bl2.c endif else ifeq (${COT},dualroot) AUTH_SOURCES += drivers/auth/dualroot/cot.c else $(error Unknown chain of trust ${COT}) endif BL1_SOURCES += ${AUTH_SOURCES} \ bl1/tbbr/tbbr_img_desc.c \ plat/arm/common/arm_bl1_fwu.c \ plat/common/tbbr/plat_tbbr.c BL2_SOURCES += ${AUTH_SOURCES} \ plat/common/tbbr/plat_tbbr.c $(eval $(call TOOL_ADD_IMG,ns_bl2u,--fwu,FWU_)) # We expect to locate the *.mk files under the directories specified below ifeq (${ARM_CRYPTOCELL_INTEG},0) CRYPTO_LIB_MK := drivers/auth/mbedtls/mbedtls_crypto.mk else CRYPTO_LIB_MK := drivers/auth/cryptocell/cryptocell_crypto.mk endif IMG_PARSER_LIB_MK := drivers/auth/mbedtls/mbedtls_x509.mk $(info Including ${CRYPTO_LIB_MK}) include ${CRYPTO_LIB_MK} $(info Including ${IMG_PARSER_LIB_MK}) include ${IMG_PARSER_LIB_MK} endif ifeq (${RECLAIM_INIT_CODE}, 1) ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1) $(error "To reclaim init code xlat tables v2 must be used") endif endif ifeq (${MEASURED_BOOT},1) MEASURED_BOOT_MK := drivers/measured_boot/measured_boot.mk $(info Including ${MEASURED_BOOT_MK}) include ${MEASURED_BOOT_MK} endif