1# 2# Copyright (c) 2015-2022, Arm Limited and Contributors. All rights reserved. 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 6 7include common/fdt_wrappers.mk 8 9ifeq (${ARCH}, aarch64) 10 # On ARM standard platorms, the TSP can execute from Trusted SRAM, Trusted 11 # DRAM (if available) or the TZC secured area of DRAM. 12 # TZC secured DRAM is the default. 13 14 ARM_TSP_RAM_LOCATION ?= dram 15 16 ifeq (${ARM_TSP_RAM_LOCATION}, tsram) 17 ARM_TSP_RAM_LOCATION_ID = ARM_TRUSTED_SRAM_ID 18 else ifeq (${ARM_TSP_RAM_LOCATION}, tdram) 19 ARM_TSP_RAM_LOCATION_ID = ARM_TRUSTED_DRAM_ID 20 else ifeq (${ARM_TSP_RAM_LOCATION}, dram) 21 ARM_TSP_RAM_LOCATION_ID = ARM_DRAM_ID 22 else 23 $(error "Unsupported ARM_TSP_RAM_LOCATION value") 24 endif 25 26 # Process flags 27 # Process ARM_BL31_IN_DRAM flag 28 ARM_BL31_IN_DRAM := 0 29 $(eval $(call assert_boolean,ARM_BL31_IN_DRAM)) 30 $(eval $(call add_define,ARM_BL31_IN_DRAM)) 31else 32 ARM_TSP_RAM_LOCATION_ID = ARM_TRUSTED_SRAM_ID 33endif 34 35$(eval $(call add_define,ARM_TSP_RAM_LOCATION_ID)) 36 37 38# For the original power-state parameter format, the State-ID can be encoded 39# according to the recommended encoding or zero. This flag determines which 40# State-ID encoding to be parsed. 41ARM_RECOM_STATE_ID_ENC := 0 42 43# If the PSCI_EXTENDED_STATE_ID is set, then ARM_RECOM_STATE_ID_ENC need to 44# be set. Else throw a build error. 45ifeq (${PSCI_EXTENDED_STATE_ID}, 1) 46 ifeq (${ARM_RECOM_STATE_ID_ENC}, 0) 47 $(error Build option ARM_RECOM_STATE_ID_ENC needs to be set if \ 48 PSCI_EXTENDED_STATE_ID is set for ARM platforms) 49 endif 50endif 51 52# Process ARM_RECOM_STATE_ID_ENC flag 53$(eval $(call assert_boolean,ARM_RECOM_STATE_ID_ENC)) 54$(eval $(call add_define,ARM_RECOM_STATE_ID_ENC)) 55 56# Process ARM_DISABLE_TRUSTED_WDOG flag 57# By default, Trusted Watchdog is always enabled unless 58# SPIN_ON_BL1_EXIT or ENABLE_RME is set 59ARM_DISABLE_TRUSTED_WDOG := 0 60ifneq ($(filter 1,${SPIN_ON_BL1_EXIT} ${ENABLE_RME}),) 61ARM_DISABLE_TRUSTED_WDOG := 1 62endif 63$(eval $(call assert_boolean,ARM_DISABLE_TRUSTED_WDOG)) 64$(eval $(call add_define,ARM_DISABLE_TRUSTED_WDOG)) 65 66# Process ARM_CONFIG_CNTACR 67ARM_CONFIG_CNTACR := 1 68$(eval $(call assert_boolean,ARM_CONFIG_CNTACR)) 69$(eval $(call add_define,ARM_CONFIG_CNTACR)) 70 71# Process ARM_BL31_IN_DRAM flag 72ARM_BL31_IN_DRAM := 0 73$(eval $(call assert_boolean,ARM_BL31_IN_DRAM)) 74$(eval $(call add_define,ARM_BL31_IN_DRAM)) 75 76# As per CCA security model, all root firmware must execute from on-chip secure 77# memory. This means we must not run BL31 from TZC-protected DRAM. 78ifeq (${ARM_BL31_IN_DRAM},1) 79 ifeq (${ENABLE_RME},1) 80 $(error "BL31 must not run from DRAM on RME-systems. Please set ARM_BL31_IN_DRAM to 0") 81 endif 82endif 83 84# Process ARM_PLAT_MT flag 85ARM_PLAT_MT := 0 86$(eval $(call assert_boolean,ARM_PLAT_MT)) 87$(eval $(call add_define,ARM_PLAT_MT)) 88 89# Use translation tables library v2 by default 90ARM_XLAT_TABLES_LIB_V1 := 0 91$(eval $(call assert_boolean,ARM_XLAT_TABLES_LIB_V1)) 92$(eval $(call add_define,ARM_XLAT_TABLES_LIB_V1)) 93 94# Don't have the Linux kernel as a BL33 image by default 95ARM_LINUX_KERNEL_AS_BL33 := 0 96$(eval $(call assert_boolean,ARM_LINUX_KERNEL_AS_BL33)) 97$(eval $(call add_define,ARM_LINUX_KERNEL_AS_BL33)) 98 99ifeq (${ARM_LINUX_KERNEL_AS_BL33},1) 100 ifneq (${ARCH},aarch64) 101 ifneq (${RESET_TO_SP_MIN},1) 102 $(error "ARM_LINUX_KERNEL_AS_BL33 is only available if RESET_TO_SP_MIN=1.") 103 endif 104 endif 105 ifndef PRELOADED_BL33_BASE 106 $(error "PRELOADED_BL33_BASE must be set if ARM_LINUX_KERNEL_AS_BL33 is used.") 107 endif 108 ifeq (${RESET_TO_BL31},1) 109 ifndef ARM_PRELOADED_DTB_BASE 110 $(error "ARM_PRELOADED_DTB_BASE must be set if ARM_LINUX_KERNEL_AS_BL33 is 111 used with RESET_TO_BL31.") 112 endif 113 $(eval $(call add_define,ARM_PRELOADED_DTB_BASE)) 114 endif 115endif 116 117# Arm(R) Ethos(TM)-N NPU SiP service 118ARM_ETHOSN_NPU_DRIVER := 0 119$(eval $(call assert_boolean,ARM_ETHOSN_NPU_DRIVER)) 120$(eval $(call add_define,ARM_ETHOSN_NPU_DRIVER)) 121 122# Use an implementation of SHA-256 with a smaller memory footprint but reduced 123# speed. 124$(eval $(call add_define,MBEDTLS_SHA256_SMALLER)) 125 126# Add the build options to pack Trusted OS Extra1 and Trusted OS Extra2 images 127# in the FIP if the platform requires. 128ifneq ($(BL32_EXTRA1),) 129$(eval $(call TOOL_ADD_IMG,bl32_extra1,--tos-fw-extra1)) 130endif 131ifneq ($(BL32_EXTRA2),) 132$(eval $(call TOOL_ADD_IMG,bl32_extra2,--tos-fw-extra2)) 133endif 134 135# Enable PSCI_STAT_COUNT/RESIDENCY APIs on ARM platforms 136ENABLE_PSCI_STAT := 1 137ENABLE_PMF := 1 138 139# Override the standard libc with optimised libc_asm 140OVERRIDE_LIBC := 1 141ifeq (${OVERRIDE_LIBC},1) 142 include lib/libc/libc_asm.mk 143endif 144 145# On ARM platforms, separate the code and read-only data sections to allow 146# mapping the former as executable and the latter as execute-never. 147SEPARATE_CODE_AND_RODATA := 1 148 149# On ARM platforms, disable SEPARATE_NOBITS_REGION by default. Both PROGBITS 150# and NOBITS sections of BL31 image are adjacent to each other and loaded 151# into Trusted SRAM. 152SEPARATE_NOBITS_REGION := 0 153 154# In order to support SEPARATE_NOBITS_REGION for Arm platforms, we need to load 155# BL31 PROGBITS into secure DRAM space and BL31 NOBITS into SRAM. Hence mandate 156# the build to require that ARM_BL31_IN_DRAM is enabled as well. 157ifeq ($(SEPARATE_NOBITS_REGION),1) 158 ifneq ($(ARM_BL31_IN_DRAM),1) 159 $(error For SEPARATE_NOBITS_REGION, ARM_BL31_IN_DRAM must be enabled) 160 endif 161 ifneq ($(RECLAIM_INIT_CODE),0) 162 $(error For SEPARATE_NOBITS_REGION, RECLAIM_INIT_CODE cannot be supported) 163 endif 164endif 165 166# Disable ARM Cryptocell by default 167ARM_CRYPTOCELL_INTEG := 0 168$(eval $(call assert_boolean,ARM_CRYPTOCELL_INTEG)) 169$(eval $(call add_define,ARM_CRYPTOCELL_INTEG)) 170 171# Enable PIE support for RESET_TO_BL31/RESET_TO_SP_MIN case 172ifneq ($(filter 1,${RESET_TO_BL31} ${RESET_TO_SP_MIN}),) 173 ENABLE_PIE := 1 174endif 175 176# CryptoCell integration relies on coherent buffers for passing data from 177# the AP CPU to the CryptoCell 178ifeq (${ARM_CRYPTOCELL_INTEG},1) 179 ifeq (${USE_COHERENT_MEM},0) 180 $(error "ARM_CRYPTOCELL_INTEG needs USE_COHERENT_MEM to be set.") 181 endif 182endif 183 184# Disable GPT parser support, use FIP image by default 185ARM_GPT_SUPPORT := 0 186$(eval $(call assert_boolean,ARM_GPT_SUPPORT)) 187$(eval $(call add_define,ARM_GPT_SUPPORT)) 188 189# Include necessary sources to parse GPT image 190ifeq (${ARM_GPT_SUPPORT}, 1) 191 BL2_SOURCES += drivers/partition/gpt.c \ 192 drivers/partition/partition.c 193endif 194 195# Enable CRC instructions via extension for ARMv8-A CPUs. 196# For ARMv8.1-A, and onwards CRC instructions are default enabled. 197# Enable HW computed CRC support unconditionally in BL2 component. 198ifeq (${ARM_ARCH_MAJOR},8) 199 ifeq (${ARM_ARCH_MINOR},0) 200 BL2_CPPFLAGS += -march=armv8-a+crc 201 endif 202endif 203 204ifeq ($(PSA_FWU_SUPPORT),1) 205 # GPT support is recommended as per PSA FWU specification hence 206 # PSA FWU implementation is tightly coupled with GPT support, 207 # and it does not support other formats. 208 ifneq ($(ARM_GPT_SUPPORT),1) 209 $(error For PSA_FWU_SUPPORT, ARM_GPT_SUPPORT must be enabled) 210 endif 211 FWU_MK := drivers/fwu/fwu.mk 212 $(info Including ${FWU_MK}) 213 include ${FWU_MK} 214endif 215 216ifeq (${ARCH}, aarch64) 217PLAT_INCLUDES += -Iinclude/plat/arm/common/aarch64 218endif 219 220PLAT_BL_COMMON_SOURCES += plat/arm/common/${ARCH}/arm_helpers.S \ 221 plat/arm/common/arm_common.c \ 222 plat/arm/common/arm_console.c 223 224ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1) 225PLAT_BL_COMMON_SOURCES += lib/xlat_tables/xlat_tables_common.c \ 226 lib/xlat_tables/${ARCH}/xlat_tables.c 227else 228ifeq (${XLAT_MPU_LIB_V1}, 1) 229include lib/xlat_mpu/xlat_mpu.mk 230PLAT_BL_COMMON_SOURCES += ${XLAT_MPU_LIB_V1_SRCS} 231else 232include lib/xlat_tables_v2/xlat_tables.mk 233PLAT_BL_COMMON_SOURCES += ${XLAT_TABLES_LIB_SRCS} 234endif 235endif 236 237ARM_IO_SOURCES += plat/arm/common/arm_io_storage.c \ 238 plat/arm/common/fconf/arm_fconf_io.c 239ifeq (${SPD},spmd) 240 ifeq (${BL2_ENABLE_SP_LOAD},1) 241 ARM_IO_SOURCES += plat/arm/common/fconf/arm_fconf_sp.c 242 endif 243endif 244 245BL1_SOURCES += drivers/io/io_fip.c \ 246 drivers/io/io_memmap.c \ 247 drivers/io/io_storage.c \ 248 plat/arm/common/arm_bl1_setup.c \ 249 plat/arm/common/arm_err.c \ 250 ${ARM_IO_SOURCES} 251 252ifdef EL3_PAYLOAD_BASE 253# Need the plat_arm_program_trusted_mailbox() function to release secondary CPUs from 254# their holding pen 255BL1_SOURCES += plat/arm/common/arm_pm.c 256endif 257 258BL2_SOURCES += drivers/delay_timer/delay_timer.c \ 259 drivers/delay_timer/generic_delay_timer.c \ 260 drivers/io/io_fip.c \ 261 drivers/io/io_memmap.c \ 262 drivers/io/io_storage.c \ 263 plat/arm/common/arm_bl2_setup.c \ 264 plat/arm/common/arm_err.c \ 265 common/tf_crc32.c \ 266 ${ARM_IO_SOURCES} 267 268# Firmware Configuration Framework sources 269include lib/fconf/fconf.mk 270 271BL1_SOURCES += ${FCONF_SOURCES} ${FCONF_DYN_SOURCES} 272BL2_SOURCES += ${FCONF_SOURCES} ${FCONF_DYN_SOURCES} 273 274# Add `libfdt` and Arm common helpers required for Dynamic Config 275include lib/libfdt/libfdt.mk 276 277DYN_CFG_SOURCES += plat/arm/common/arm_dyn_cfg.c \ 278 plat/arm/common/arm_dyn_cfg_helpers.c \ 279 common/uuid.c 280 281DYN_CFG_SOURCES += ${FDT_WRAPPERS_SOURCES} 282 283BL1_SOURCES += ${DYN_CFG_SOURCES} 284BL2_SOURCES += ${DYN_CFG_SOURCES} 285 286ifeq (${BL2_AT_EL3},1) 287BL2_SOURCES += plat/arm/common/arm_bl2_el3_setup.c 288endif 289 290# Because BL1/BL2 execute in AArch64 mode but BL32 in AArch32 we need to use 291# the AArch32 descriptors. 292ifeq (${JUNO_AARCH32_EL3_RUNTIME},1) 293BL2_SOURCES += plat/arm/common/aarch32/arm_bl2_mem_params_desc.c 294else 295ifneq (${PLAT}, corstone1000) 296BL2_SOURCES += plat/arm/common/${ARCH}/arm_bl2_mem_params_desc.c 297endif 298endif 299BL2_SOURCES += plat/arm/common/arm_image_load.c \ 300 common/desc_image_load.c 301ifeq (${SPD},opteed) 302BL2_SOURCES += lib/optee/optee_utils.c 303endif 304 305BL2U_SOURCES += drivers/delay_timer/delay_timer.c \ 306 drivers/delay_timer/generic_delay_timer.c \ 307 plat/arm/common/arm_bl2u_setup.c 308 309BL31_SOURCES += plat/arm/common/arm_bl31_setup.c \ 310 plat/arm/common/arm_pm.c \ 311 plat/arm/common/arm_topology.c \ 312 plat/common/plat_psci_common.c 313 314ifneq ($(filter 1,${ENABLE_PMF} ${ARM_ETHOSN_NPU_DRIVER}),) 315ARM_SVC_HANDLER_SRCS := 316 317ifeq (${ENABLE_PMF},1) 318ARM_SVC_HANDLER_SRCS += lib/pmf/pmf_smc.c 319endif 320 321ifeq (${ARM_ETHOSN_NPU_DRIVER},1) 322ARM_SVC_HANDLER_SRCS += plat/arm/common/fconf/fconf_ethosn_getter.c \ 323 drivers/delay_timer/delay_timer.c \ 324 drivers/arm/ethosn/ethosn_smc.c 325endif 326 327ifeq (${ARCH}, aarch64) 328BL31_SOURCES += plat/arm/common/aarch64/execution_state_switch.c\ 329 plat/arm/common/arm_sip_svc.c \ 330 ${ARM_SVC_HANDLER_SRCS} 331else 332BL32_SOURCES += plat/arm/common/arm_sip_svc.c \ 333 ${ARM_SVC_HANDLER_SRCS} 334endif 335endif 336 337ifeq (${EL3_EXCEPTION_HANDLING},1) 338BL31_SOURCES += plat/common/aarch64/plat_ehf.c 339endif 340 341ifeq (${SDEI_SUPPORT},1) 342BL31_SOURCES += plat/arm/common/aarch64/arm_sdei.c 343ifeq (${SDEI_IN_FCONF},1) 344BL31_SOURCES += plat/arm/common/fconf/fconf_sdei_getter.c 345endif 346endif 347 348# RAS sources 349ifeq (${RAS_EXTENSION},1) 350BL31_SOURCES += lib/extensions/ras/std_err_record.c \ 351 lib/extensions/ras/ras_common.c 352endif 353 354# Pointer Authentication sources 355ifeq (${ENABLE_PAUTH}, 1) 356PLAT_BL_COMMON_SOURCES += plat/arm/common/aarch64/arm_pauth.c \ 357 lib/extensions/pauth/pauth_helpers.S 358endif 359 360ifeq (${SPD},spmd) 361BL31_SOURCES += plat/common/plat_spmd_manifest.c \ 362 common/uuid.c \ 363 ${LIBFDT_SRCS} 364 365BL31_SOURCES += ${FDT_WRAPPERS_SOURCES} 366endif 367 368ifeq (${DRTM_SUPPORT},1) 369BL31_SOURCES += plat/arm/common/arm_err.c 370endif 371 372ifneq (${TRUSTED_BOARD_BOOT},0) 373 374 # Include common TBB sources 375 AUTH_SOURCES := drivers/auth/auth_mod.c \ 376 drivers/auth/img_parser_mod.c 377 378 # Include the selected chain of trust sources. 379 ifeq (${COT},tbbr) 380 BL1_SOURCES += drivers/auth/tbbr/tbbr_cot_common.c \ 381 drivers/auth/tbbr/tbbr_cot_bl1.c 382 ifneq (${COT_DESC_IN_DTB},0) 383 BL2_SOURCES += lib/fconf/fconf_cot_getter.c 384 else 385 BL2_SOURCES += drivers/auth/tbbr/tbbr_cot_common.c \ 386 drivers/auth/tbbr/tbbr_cot_bl2.c 387 endif 388 else ifeq (${COT},dualroot) 389 AUTH_SOURCES += drivers/auth/dualroot/cot.c 390 else ifeq (${COT},cca) 391 AUTH_SOURCES += drivers/auth/cca/cot.c 392 else 393 $(error Unknown chain of trust ${COT}) 394 endif 395 396 BL1_SOURCES += ${AUTH_SOURCES} \ 397 bl1/tbbr/tbbr_img_desc.c \ 398 plat/arm/common/arm_bl1_fwu.c \ 399 plat/common/tbbr/plat_tbbr.c 400 401 BL2_SOURCES += ${AUTH_SOURCES} \ 402 plat/common/tbbr/plat_tbbr.c 403 404 $(eval $(call TOOL_ADD_IMG,ns_bl2u,--fwu,FWU_)) 405 406 IMG_PARSER_LIB_MK := drivers/auth/mbedtls/mbedtls_x509.mk 407 408 $(info Including ${IMG_PARSER_LIB_MK}) 409 include ${IMG_PARSER_LIB_MK} 410endif 411 412# Include Measured Boot makefile before any Crypto library makefile. 413# Crypto library makefile may need default definitions of Measured Boot build 414# flags present in Measured Boot makefile. 415ifneq ($(filter 1,${MEASURED_BOOT} ${DRTM_SUPPORT}),) 416 MEASURED_BOOT_MK := drivers/measured_boot/event_log/event_log.mk 417 $(info Including ${MEASURED_BOOT_MK}) 418 include ${MEASURED_BOOT_MK} 419 420 ifneq (${MBOOT_EL_HASH_ALG}, sha256) 421 $(eval $(call add_define,TF_MBEDTLS_MBOOT_USE_SHA512)) 422 endif 423 424 ifeq (${MEASURED_BOOT},1) 425 BL1_SOURCES += ${EVENT_LOG_SOURCES} 426 BL2_SOURCES += ${EVENT_LOG_SOURCES} 427 endif 428 429 ifeq (${DRTM_SUPPORT},1) 430 BL31_SOURCES += ${EVENT_LOG_SOURCES} 431 endif 432endif 433 434ifneq ($(filter 1,${MEASURED_BOOT} ${TRUSTED_BOARD_BOOT} ${DRTM_SUPPORT}),) 435 CRYPTO_SOURCES := drivers/auth/crypto_mod.c \ 436 lib/fconf/fconf_tbbr_getter.c 437 BL1_SOURCES += ${CRYPTO_SOURCES} 438 BL2_SOURCES += ${CRYPTO_SOURCES} 439 BL31_SOURCES += drivers/auth/crypto_mod.c 440 441 # We expect to locate the *.mk files under the directories specified below 442 ifeq (${ARM_CRYPTOCELL_INTEG},0) 443 CRYPTO_LIB_MK := drivers/auth/mbedtls/mbedtls_crypto.mk 444 else 445 CRYPTO_LIB_MK := drivers/auth/cryptocell/cryptocell_crypto.mk 446 endif 447 448 $(info Including ${CRYPTO_LIB_MK}) 449 include ${CRYPTO_LIB_MK} 450endif 451 452ifeq (${RECLAIM_INIT_CODE}, 1) 453 ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1) 454 $(error "To reclaim init code xlat tables v2 must be used") 455 endif 456endif 457