1# 2# Copyright (c) 2015-2021, ARM Limited and Contributors. All rights reserved. 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 6 7ifeq (${ARCH}, aarch64) 8 # On ARM standard platorms, the TSP can execute from Trusted SRAM, Trusted 9 # DRAM (if available) or the TZC secured area of DRAM. 10 # TZC secured DRAM is the default. 11 12 ARM_TSP_RAM_LOCATION ?= dram 13 14 ifeq (${ARM_TSP_RAM_LOCATION}, tsram) 15 ARM_TSP_RAM_LOCATION_ID = ARM_TRUSTED_SRAM_ID 16 else ifeq (${ARM_TSP_RAM_LOCATION}, tdram) 17 ARM_TSP_RAM_LOCATION_ID = ARM_TRUSTED_DRAM_ID 18 else ifeq (${ARM_TSP_RAM_LOCATION}, dram) 19 ARM_TSP_RAM_LOCATION_ID = ARM_DRAM_ID 20 else 21 $(error "Unsupported ARM_TSP_RAM_LOCATION value") 22 endif 23 24 # Process flags 25 # Process ARM_BL31_IN_DRAM flag 26 ARM_BL31_IN_DRAM := 0 27 $(eval $(call assert_boolean,ARM_BL31_IN_DRAM)) 28 $(eval $(call add_define,ARM_BL31_IN_DRAM)) 29else 30 ARM_TSP_RAM_LOCATION_ID = ARM_TRUSTED_SRAM_ID 31endif 32 33$(eval $(call add_define,ARM_TSP_RAM_LOCATION_ID)) 34 35 36# For the original power-state parameter format, the State-ID can be encoded 37# according to the recommended encoding or zero. This flag determines which 38# State-ID encoding to be parsed. 39ARM_RECOM_STATE_ID_ENC := 0 40 41# If the PSCI_EXTENDED_STATE_ID is set, then ARM_RECOM_STATE_ID_ENC need to 42# be set. Else throw a build error. 43ifeq (${PSCI_EXTENDED_STATE_ID}, 1) 44 ifeq (${ARM_RECOM_STATE_ID_ENC}, 0) 45 $(error Build option ARM_RECOM_STATE_ID_ENC needs to be set if \ 46 PSCI_EXTENDED_STATE_ID is set for ARM platforms) 47 endif 48endif 49 50# Process ARM_RECOM_STATE_ID_ENC flag 51$(eval $(call assert_boolean,ARM_RECOM_STATE_ID_ENC)) 52$(eval $(call add_define,ARM_RECOM_STATE_ID_ENC)) 53 54# Process ARM_DISABLE_TRUSTED_WDOG flag 55# By default, Trusted Watchdog is always enabled unless SPIN_ON_BL1_EXIT is set 56ARM_DISABLE_TRUSTED_WDOG := 0 57ifeq (${SPIN_ON_BL1_EXIT}, 1) 58ARM_DISABLE_TRUSTED_WDOG := 1 59endif 60$(eval $(call assert_boolean,ARM_DISABLE_TRUSTED_WDOG)) 61$(eval $(call add_define,ARM_DISABLE_TRUSTED_WDOG)) 62 63# Process ARM_CONFIG_CNTACR 64ARM_CONFIG_CNTACR := 1 65$(eval $(call assert_boolean,ARM_CONFIG_CNTACR)) 66$(eval $(call add_define,ARM_CONFIG_CNTACR)) 67 68# Process ARM_BL31_IN_DRAM flag 69ARM_BL31_IN_DRAM := 0 70$(eval $(call assert_boolean,ARM_BL31_IN_DRAM)) 71$(eval $(call add_define,ARM_BL31_IN_DRAM)) 72 73# Process ARM_PLAT_MT flag 74ARM_PLAT_MT := 0 75$(eval $(call assert_boolean,ARM_PLAT_MT)) 76$(eval $(call add_define,ARM_PLAT_MT)) 77 78# Use translation tables library v2 by default 79ARM_XLAT_TABLES_LIB_V1 := 0 80$(eval $(call assert_boolean,ARM_XLAT_TABLES_LIB_V1)) 81$(eval $(call add_define,ARM_XLAT_TABLES_LIB_V1)) 82 83# Don't have the Linux kernel as a BL33 image by default 84ARM_LINUX_KERNEL_AS_BL33 := 0 85$(eval $(call assert_boolean,ARM_LINUX_KERNEL_AS_BL33)) 86$(eval $(call add_define,ARM_LINUX_KERNEL_AS_BL33)) 87 88ifeq (${ARM_LINUX_KERNEL_AS_BL33},1) 89 ifneq (${ARCH},aarch64) 90 ifneq (${RESET_TO_SP_MIN},1) 91 $(error "ARM_LINUX_KERNEL_AS_BL33 is only available if RESET_TO_SP_MIN=1.") 92 endif 93 endif 94 ifndef PRELOADED_BL33_BASE 95 $(error "PRELOADED_BL33_BASE must be set if ARM_LINUX_KERNEL_AS_BL33 is used.") 96 endif 97 ifndef ARM_PRELOADED_DTB_BASE 98 $(error "ARM_PRELOADED_DTB_BASE must be set if ARM_LINUX_KERNEL_AS_BL33 is used.") 99 endif 100 $(eval $(call add_define,ARM_PRELOADED_DTB_BASE)) 101endif 102 103# Arm Ethos-N NPU SiP service 104ARM_ETHOSN_NPU_DRIVER := 0 105$(eval $(call assert_boolean,ARM_ETHOSN_NPU_DRIVER)) 106$(eval $(call add_define,ARM_ETHOSN_NPU_DRIVER)) 107 108# Use an implementation of SHA-256 with a smaller memory footprint but reduced 109# speed. 110$(eval $(call add_define,MBEDTLS_SHA256_SMALLER)) 111 112# Add the build options to pack Trusted OS Extra1 and Trusted OS Extra2 images 113# in the FIP if the platform requires. 114ifneq ($(BL32_EXTRA1),) 115$(eval $(call TOOL_ADD_IMG,bl32_extra1,--tos-fw-extra1)) 116endif 117ifneq ($(BL32_EXTRA2),) 118$(eval $(call TOOL_ADD_IMG,bl32_extra2,--tos-fw-extra2)) 119endif 120 121# Enable PSCI_STAT_COUNT/RESIDENCY APIs on ARM platforms 122ENABLE_PSCI_STAT := 1 123ENABLE_PMF := 1 124 125# Override the standard libc with optimised libc_asm 126OVERRIDE_LIBC := 1 127ifeq (${OVERRIDE_LIBC},1) 128 include lib/libc/libc_asm.mk 129endif 130 131# On ARM platforms, separate the code and read-only data sections to allow 132# mapping the former as executable and the latter as execute-never. 133SEPARATE_CODE_AND_RODATA := 1 134 135# On ARM platforms, disable SEPARATE_NOBITS_REGION by default. Both PROGBITS 136# and NOBITS sections of BL31 image are adjacent to each other and loaded 137# into Trusted SRAM. 138SEPARATE_NOBITS_REGION := 0 139 140# In order to support SEPARATE_NOBITS_REGION for Arm platforms, we need to load 141# BL31 PROGBITS into secure DRAM space and BL31 NOBITS into SRAM. Hence mandate 142# the build to require that ARM_BL31_IN_DRAM is enabled as well. 143ifeq ($(SEPARATE_NOBITS_REGION),1) 144 ifneq ($(ARM_BL31_IN_DRAM),1) 145 $(error For SEPARATE_NOBITS_REGION, ARM_BL31_IN_DRAM must be enabled) 146 endif 147 ifneq ($(RECLAIM_INIT_CODE),0) 148 $(error For SEPARATE_NOBITS_REGION, RECLAIM_INIT_CODE cannot be supported) 149 endif 150endif 151 152# Disable ARM Cryptocell by default 153ARM_CRYPTOCELL_INTEG := 0 154$(eval $(call assert_boolean,ARM_CRYPTOCELL_INTEG)) 155$(eval $(call add_define,ARM_CRYPTOCELL_INTEG)) 156 157# Enable PIE support for RESET_TO_BL31 case 158ifeq (${RESET_TO_BL31},1) 159 ENABLE_PIE := 1 160endif 161 162# CryptoCell integration relies on coherent buffers for passing data from 163# the AP CPU to the CryptoCell 164ifeq (${ARM_CRYPTOCELL_INTEG},1) 165 ifeq (${USE_COHERENT_MEM},0) 166 $(error "ARM_CRYPTOCELL_INTEG needs USE_COHERENT_MEM to be set.") 167 endif 168endif 169 170ifeq (${ARCH}, aarch64) 171PLAT_INCLUDES += -Iinclude/plat/arm/common/aarch64 172endif 173 174PLAT_BL_COMMON_SOURCES += plat/arm/common/${ARCH}/arm_helpers.S \ 175 plat/arm/common/arm_common.c \ 176 plat/arm/common/arm_console.c 177 178ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1) 179PLAT_BL_COMMON_SOURCES += lib/xlat_tables/xlat_tables_common.c \ 180 lib/xlat_tables/${ARCH}/xlat_tables.c 181else 182include lib/xlat_tables_v2/xlat_tables.mk 183 184PLAT_BL_COMMON_SOURCES += ${XLAT_TABLES_LIB_SRCS} 185endif 186 187ARM_IO_SOURCES += plat/arm/common/arm_io_storage.c \ 188 plat/arm/common/fconf/arm_fconf_io.c 189ifeq (${SPD},spmd) 190 ifeq (${SPMD_SPM_AT_SEL2},1) 191 ARM_IO_SOURCES += plat/arm/common/fconf/arm_fconf_sp.c 192 endif 193endif 194 195BL1_SOURCES += drivers/io/io_fip.c \ 196 drivers/io/io_memmap.c \ 197 drivers/io/io_storage.c \ 198 plat/arm/common/arm_bl1_setup.c \ 199 plat/arm/common/arm_err.c \ 200 ${ARM_IO_SOURCES} 201 202ifdef EL3_PAYLOAD_BASE 203# Need the plat_arm_program_trusted_mailbox() function to release secondary CPUs from 204# their holding pen 205BL1_SOURCES += plat/arm/common/arm_pm.c 206endif 207 208BL2_SOURCES += drivers/delay_timer/delay_timer.c \ 209 drivers/delay_timer/generic_delay_timer.c \ 210 drivers/io/io_fip.c \ 211 drivers/io/io_memmap.c \ 212 drivers/io/io_storage.c \ 213 plat/arm/common/arm_bl2_setup.c \ 214 plat/arm/common/arm_err.c \ 215 ${ARM_IO_SOURCES} 216 217# Firmware Configuration Framework sources 218include lib/fconf/fconf.mk 219 220# Add `libfdt` and Arm common helpers required for Dynamic Config 221include lib/libfdt/libfdt.mk 222 223DYN_CFG_SOURCES += plat/arm/common/arm_dyn_cfg.c \ 224 plat/arm/common/arm_dyn_cfg_helpers.c \ 225 common/fdt_wrappers.c \ 226 common/uuid.c 227 228BL1_SOURCES += ${DYN_CFG_SOURCES} 229BL2_SOURCES += ${DYN_CFG_SOURCES} 230 231ifeq (${BL2_AT_EL3},1) 232BL2_SOURCES += plat/arm/common/arm_bl2_el3_setup.c 233endif 234 235# Because BL1/BL2 execute in AArch64 mode but BL32 in AArch32 we need to use 236# the AArch32 descriptors. 237ifeq (${JUNO_AARCH32_EL3_RUNTIME},1) 238BL2_SOURCES += plat/arm/common/aarch32/arm_bl2_mem_params_desc.c 239else 240BL2_SOURCES += plat/arm/common/${ARCH}/arm_bl2_mem_params_desc.c 241endif 242BL2_SOURCES += plat/arm/common/arm_image_load.c \ 243 common/desc_image_load.c 244ifeq (${SPD},opteed) 245BL2_SOURCES += lib/optee/optee_utils.c 246endif 247 248BL2U_SOURCES += drivers/delay_timer/delay_timer.c \ 249 drivers/delay_timer/generic_delay_timer.c \ 250 plat/arm/common/arm_bl2u_setup.c 251 252BL31_SOURCES += plat/arm/common/arm_bl31_setup.c \ 253 plat/arm/common/arm_pm.c \ 254 plat/arm/common/arm_topology.c \ 255 plat/common/plat_psci_common.c 256 257ifneq ($(filter 1,${ENABLE_PMF} ${ARM_ETHOSN_NPU_DRIVER}),) 258ARM_SVC_HANDLER_SRCS := 259 260ifeq (${ENABLE_PMF},1) 261ARM_SVC_HANDLER_SRCS += lib/pmf/pmf_smc.c 262endif 263 264ifeq (${ARM_ETHOSN_NPU_DRIVER},1) 265ARM_SVC_HANDLER_SRCS += plat/arm/common/fconf/fconf_ethosn_getter.c \ 266 drivers/delay_timer/delay_timer.c \ 267 drivers/arm/ethosn/ethosn_smc.c 268endif 269 270ifeq (${ARCH}, aarch64) 271BL31_SOURCES += plat/arm/common/aarch64/execution_state_switch.c\ 272 plat/arm/common/arm_sip_svc.c \ 273 ${ARM_SVC_HANDLER_SRCS} 274else 275BL32_SOURCES += plat/arm/common/arm_sip_svc.c \ 276 ${ARM_SVC_HANDLER_SRCS} 277endif 278endif 279 280ifeq (${EL3_EXCEPTION_HANDLING},1) 281BL31_SOURCES += plat/common/aarch64/plat_ehf.c 282endif 283 284ifeq (${SDEI_SUPPORT},1) 285BL31_SOURCES += plat/arm/common/aarch64/arm_sdei.c 286ifeq (${SDEI_IN_FCONF},1) 287BL31_SOURCES += plat/arm/common/fconf/fconf_sdei_getter.c 288endif 289endif 290 291# RAS sources 292ifeq (${RAS_EXTENSION},1) 293BL31_SOURCES += lib/extensions/ras/std_err_record.c \ 294 lib/extensions/ras/ras_common.c 295endif 296 297# Pointer Authentication sources 298ifeq (${ENABLE_PAUTH}, 1) 299PLAT_BL_COMMON_SOURCES += plat/arm/common/aarch64/arm_pauth.c \ 300 lib/extensions/pauth/pauth_helpers.S 301endif 302 303ifeq (${SPD},spmd) 304BL31_SOURCES += plat/common/plat_spmd_manifest.c \ 305 common/fdt_wrappers.c \ 306 common/uuid.c \ 307 ${LIBFDT_SRCS} 308 309endif 310 311ifneq (${TRUSTED_BOARD_BOOT},0) 312 313 # Include common TBB sources 314 AUTH_SOURCES := drivers/auth/auth_mod.c \ 315 drivers/auth/crypto_mod.c \ 316 drivers/auth/img_parser_mod.c \ 317 lib/fconf/fconf_tbbr_getter.c 318 319 # Include the selected chain of trust sources. 320 ifeq (${COT},tbbr) 321 BL1_SOURCES += drivers/auth/tbbr/tbbr_cot_common.c \ 322 drivers/auth/tbbr/tbbr_cot_bl1.c 323 ifneq (${COT_DESC_IN_DTB},0) 324 BL2_SOURCES += lib/fconf/fconf_cot_getter.c 325 else 326 BL2_SOURCES += drivers/auth/tbbr/tbbr_cot_common.c \ 327 drivers/auth/tbbr/tbbr_cot_bl2.c 328 endif 329 else ifeq (${COT},dualroot) 330 AUTH_SOURCES += drivers/auth/dualroot/cot.c 331 else 332 $(error Unknown chain of trust ${COT}) 333 endif 334 335 BL1_SOURCES += ${AUTH_SOURCES} \ 336 bl1/tbbr/tbbr_img_desc.c \ 337 plat/arm/common/arm_bl1_fwu.c \ 338 plat/common/tbbr/plat_tbbr.c 339 340 BL2_SOURCES += ${AUTH_SOURCES} \ 341 plat/common/tbbr/plat_tbbr.c 342 343 $(eval $(call TOOL_ADD_IMG,ns_bl2u,--fwu,FWU_)) 344 345 # We expect to locate the *.mk files under the directories specified below 346ifeq (${ARM_CRYPTOCELL_INTEG},0) 347 CRYPTO_LIB_MK := drivers/auth/mbedtls/mbedtls_crypto.mk 348else 349 CRYPTO_LIB_MK := drivers/auth/cryptocell/cryptocell_crypto.mk 350endif 351 IMG_PARSER_LIB_MK := drivers/auth/mbedtls/mbedtls_x509.mk 352 353 $(info Including ${CRYPTO_LIB_MK}) 354 include ${CRYPTO_LIB_MK} 355 356 $(info Including ${IMG_PARSER_LIB_MK}) 357 include ${IMG_PARSER_LIB_MK} 358 359endif 360 361ifeq (${RECLAIM_INIT_CODE}, 1) 362 ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1) 363 $(error "To reclaim init code xlat tables v2 must be used") 364 endif 365endif 366 367ifeq (${MEASURED_BOOT},1) 368 MEASURED_BOOT_MK := drivers/measured_boot/measured_boot.mk 369 $(info Including ${MEASURED_BOOT_MK}) 370 include ${MEASURED_BOOT_MK} 371endif 372