xref: /rk3399_ARM-atf/Makefile (revision ce21a1a909f2ec98f83c25dd2ed3b7fedd46c46b)
1#
2# Copyright (c) 2013-2024, Arm Limited and Contributors. All rights reserved.
3#
4# SPDX-License-Identifier: BSD-3-Clause
5#
6
7#
8# Trusted Firmware Version
9#
10VERSION_MAJOR			:= 2
11VERSION_MINOR			:= 11
12# VERSION_PATCH is only used for LTS releases
13VERSION_PATCH			:= 0
14VERSION				:= ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}
15
16# Default goal is build all images
17.DEFAULT_GOAL			:= all
18
19# Avoid any implicit propagation of command line variable definitions to
20# sub-Makefiles, like CFLAGS that we reserved for the firmware images'
21# usage. Other command line options like "-s" are still propagated as usual.
22MAKEOVERRIDES =
23
24MAKE_HELPERS_DIRECTORY := make_helpers/
25include ${MAKE_HELPERS_DIRECTORY}build_macros.mk
26include ${MAKE_HELPERS_DIRECTORY}build_env.mk
27include ${MAKE_HELPERS_DIRECTORY}build-rules.mk
28include ${MAKE_HELPERS_DIRECTORY}common.mk
29
30################################################################################
31# Default values for build configurations, and their dependencies
32################################################################################
33
34include ${MAKE_HELPERS_DIRECTORY}defaults.mk
35include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
36
37# To be able to set platform specific defaults
38ifneq ($(PLAT_DEFAULTS_MAKEFILE_FULL),)
39include ${PLAT_DEFAULTS_MAKEFILE_FULL}
40endif
41
42################################################################################
43# Configure the toolchains used to build TF-A and its tools
44################################################################################
45
46include ${MAKE_HELPERS_DIRECTORY}toolchain.mk
47
48# Assertions enabled for DEBUG builds by default
49ENABLE_ASSERTIONS		:= ${DEBUG}
50ENABLE_PMF			:= ${ENABLE_RUNTIME_INSTRUMENTATION}
51
52################################################################################
53# Checkpatch script options
54################################################################################
55
56CHECKCODE_ARGS		:=	--no-patch
57# Do not check the coding style on imported library files or documentation files
58INC_DRV_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
59					include/drivers/arm,		\
60					$(wildcard include/drivers/*)))
61INC_LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
62					include/lib/libfdt		\
63					include/lib/libc,		\
64					$(wildcard include/lib/*)))
65INC_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
66					include/lib			\
67					include/drivers,		\
68					$(wildcard include/*)))
69LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
70					lib/compiler-rt			\
71					lib/libfdt%			\
72					lib/libc,			\
73					lib/zlib			\
74					$(wildcard lib/*)))
75ROOT_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
76					lib				\
77					include				\
78					docs				\
79					%.rst,				\
80					$(wildcard *)))
81CHECK_PATHS		:=	${ROOT_DIRS_TO_CHECK}			\
82				${INC_DIRS_TO_CHECK}			\
83				${INC_LIB_DIRS_TO_CHECK}		\
84				${LIB_DIRS_TO_CHECK}			\
85				${INC_DRV_DIRS_TO_CHECK}		\
86				${INC_ARM_DIRS_TO_CHECK}
87
88################################################################################
89# Process build options
90################################################################################
91
92ifeq ($(verbose),)
93	CHECKCODE_ARGS	+=	--no-summary --terse
94endif
95
96################################################################################
97# Auxiliary tools (fiptool, cert_create, etc)
98################################################################################
99
100# Variables for use with Certificate Generation Tool
101CRTTOOLPATH		?=	tools/cert_create
102CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
103
104# Variables for use with Firmware Encryption Tool
105ENCTOOLPATH		?=	tools/encrypt_fw
106ENCTOOL			?=	${ENCTOOLPATH}/encrypt_fw${BIN_EXT}
107
108# Variables for use with Firmware Image Package
109FIPTOOLPATH		?=	tools/fiptool
110FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
111
112# Variables for use with sptool
113SPTOOLPATH		?=	tools/sptool
114SPTOOL			?=	${SPTOOLPATH}/sptool.py
115SP_MK_GEN		?=	${SPTOOLPATH}/sp_mk_generator.py
116SP_DTS_LIST_FRAGMENT	?=	${BUILD_PLAT}/sp_list_fragment.dts
117
118# Variables for use with ROMLIB
119ROMLIBPATH		?=	lib/romlib
120
121# Variable for use with Python
122PYTHON			?=	python3
123
124# Variables for use with documentation build using Sphinx tool
125DOCS_PATH		?=	docs
126
127################################################################################
128# Compiler Configuration based on ARCH_MAJOR and ARCH_MINOR flags
129################################################################################
130ifeq (${ARM_ARCH_MAJOR},7)
131	target32-directive	= 	-target arm-none-eabi
132# Will set march-directive from platform configuration
133else
134	target32-directive	= 	-target armv8a-none-eabi
135endif #(ARM_ARCH_MAJOR)
136
137################################################################################
138# Get Architecture Feature Modifiers
139################################################################################
140arch-features		=	${ARM_ARCH_FEATURE}
141
142ifneq ($(filter %-clang,$($(ARCH)-cc-id)),)
143	ifeq ($($(ARCH)-cc-id),arm-clang)
144		TF_CFLAGS_aarch32	:=	-target arm-arm-none-eabi
145		TF_CFLAGS_aarch64	:=	-target aarch64-arm-none-eabi
146	else
147		TF_CFLAGS_aarch32	=	$(target32-directive)
148		TF_CFLAGS_aarch64	:=	-target aarch64-elf
149	endif
150
151else ifeq ($($(ARCH)-cc-id),gnu-gcc)
152	# Enable LTO only for aarch64
153	ifeq (${ARCH},aarch64)
154		LTO_CFLAGS	=	$(if $(filter-out 0,$(ENABLE_LTO)),-flto)
155	endif
156endif #(clang)
157
158# Process Debug flag
159$(eval $(call add_define,DEBUG))
160ifneq (${DEBUG}, 0)
161	BUILD_TYPE	:=	debug
162	TF_CFLAGS	+=	-g -gdwarf-4
163	ASFLAGS		+=	-g -Wa,-gdwarf-4
164
165	# Use LOG_LEVEL_INFO by default for debug builds
166	LOG_LEVEL	:=	40
167else
168	BUILD_TYPE	:=	release
169	# Use LOG_LEVEL_NOTICE by default for release builds
170	LOG_LEVEL	:=	20
171endif #(Debug)
172
173# Default build string (git branch and commit)
174ifeq (${BUILD_STRING},)
175	BUILD_STRING  :=  $(shell git describe --always --dirty --tags 2> /dev/null)
176endif
177VERSION_STRING    :=  v${VERSION}(${BUILD_TYPE}):${BUILD_STRING}
178
179ifeq (${AARCH32_INSTRUCTION_SET},A32)
180	TF_CFLAGS_aarch32	+=	-marm
181else ifeq (${AARCH32_INSTRUCTION_SET},T32)
182	TF_CFLAGS_aarch32	+=	-mthumb
183else
184        $(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET})
185endif #(AARCH32_INSTRUCTION_SET)
186
187TF_CFLAGS_aarch32	+=	-mno-unaligned-access
188TF_CFLAGS_aarch64	+=	-mgeneral-regs-only -mstrict-align
189
190##############################################################################
191# WARNINGS Configuration
192###############################################################################
193# General warnings
194WARNINGS		:=	-Wall -Wmissing-include-dirs -Wunused	\
195				-Wdisabled-optimization -Wvla -Wshadow	\
196				-Wredundant-decls
197# stricter warnings
198WARNINGS		+=	-Wextra -Wno-trigraphs
199# too verbose for generic build
200WARNINGS		+=	-Wno-missing-field-initializers \
201				-Wno-type-limits -Wno-sign-compare \
202# on clang this flag gets reset if -Wextra is set after it. No difference on gcc
203WARNINGS		+=	-Wno-unused-parameter
204
205# Additional warnings
206# Level 1 - infrequent warnings we should have none of
207# full -Wextra
208WARNING1 += -Wsign-compare
209WARNING1 += -Wtype-limits
210WARNING1 += -Wmissing-field-initializers
211
212# Level 2 - problematic warnings that we want
213# zlib, compiler-rt, coreboot, and mbdedtls blow up with these
214# TODO: disable just for them and move into default build
215WARNING2 += -Wold-style-definition
216WARNING2 += -Wmissing-prototypes
217WARNING2 += -Wmissing-format-attribute
218# TF-A aims to comply with this eventually. Effort too large at present
219WARNING2 += -Wundef
220# currently very involved and many platforms set this off
221WARNING2 += -Wunused-const-variable=2
222
223# Level 3 - very pedantic, frequently ignored
224WARNING3 := -Wbad-function-cast
225WARNING3 += -Waggregate-return
226WARNING3 += -Wnested-externs
227WARNING3 += -Wcast-align
228WARNING3 += -Wcast-qual
229WARNING3 += -Wconversion
230WARNING3 += -Wpacked
231WARNING3 += -Wpointer-arith
232WARNING3 += -Wswitch-default
233
234# Setting W is quite verbose and most warnings will be pre-existing issues
235# outside of the contributor's control. Don't fail the build on them so warnings
236# can be seen and hopefully addressed
237ifdef W
238	ifneq (${W},0)
239		E	 ?= 0
240	endif
241endif
242
243ifeq (${W},1)
244	WARNINGS += $(WARNING1)
245else ifeq (${W},2)
246	WARNINGS += $(WARNING1) $(WARNING2)
247else ifeq (${W},3)
248	WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3)
249endif #(W)
250
251# Compiler specific warnings
252ifeq ($(filter %-clang,$($(ARCH)-cc-id)),)
253# not using clang
254WARNINGS	+=		-Wunused-but-set-variable -Wmaybe-uninitialized	\
255				-Wpacked-bitfield-compat -Wshift-overflow=2 \
256				-Wlogical-op
257
258# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105523
259TF_CFLAGS		+= 	$(call cc_option, --param=min-pagesize=0)
260
261ifeq ($(HARDEN_SLS), 1)
262        TF_CFLAGS_aarch64       +=      $(call cc_option, -mharden-sls=all)
263endif
264
265else
266# using clang
267WARNINGS	+=		-Wshift-overflow -Wshift-sign-overflow \
268				-Wlogical-op-parentheses
269endif #(Clang Warning)
270
271ifneq (${E},0)
272	ERRORS := -Werror
273endif #(E)
274
275################################################################################
276# Compiler and Linker Directives
277################################################################################
278CPPFLAGS		=	${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc	\
279				$(ERRORS) $(WARNINGS)
280ASFLAGS			+=	$(CPPFLAGS)                 			\
281				-ffreestanding -Wa,--fatal-warnings
282TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
283				-ffunction-sections -fdata-sections		\
284				-ffreestanding -fno-builtin -fno-common		\
285				-Os -std=gnu99
286
287ifeq (${SANITIZE_UB},on)
288	TF_CFLAGS	+=	-fsanitize=undefined -fno-sanitize-recover
289endif #(${SANITIZE_UB},on)
290
291ifeq (${SANITIZE_UB},trap)
292	TF_CFLAGS	+=	-fsanitize=undefined -fno-sanitize-recover	\
293				-fsanitize-undefined-trap-on-error
294endif #(${SANITIZE_UB},trap)
295
296GCC_V_OUTPUT		:=	$(if $($(ARCH)-cc),$(shell $($(ARCH)-cc) -v 2>&1))
297
298TF_LDFLAGS		+=	-z noexecstack
299
300# LD = armlink
301ifeq ($($(ARCH)-ld-id),arm-link)
302	TF_LDFLAGS		+=	--diag_error=warning --lto_level=O1
303	TF_LDFLAGS		+=	--remove --info=unused,unusedsymbols
304	TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
305
306# LD = gcc (used when GCC LTO is enabled)
307else ifeq ($($(ARCH)-ld-id),gnu-gcc)
308	# Pass ld options with Wl or Xlinker switches
309	TF_LDFLAGS		+=	$(call ld_option,-Xlinker --no-warn-rwx-segments)
310	TF_LDFLAGS		+=	-Wl,--fatal-warnings -O1
311	TF_LDFLAGS		+=	-Wl,--gc-sections
312
313	TF_LDFLAGS		+=	-Wl,-z,common-page-size=4096 #Configure page size constants
314	TF_LDFLAGS		+=	-Wl,-z,max-page-size=4096
315	TF_LDFLAGS		+=	-Wl,--build-id=none
316
317	ifeq ($(ENABLE_LTO),1)
318		ifeq (${ARCH},aarch64)
319			TF_LDFLAGS	+=	-flto -fuse-linker-plugin
320			TF_LDFLAGS      +=	-flto-partition=one
321		endif
322	endif #(ENABLE_LTO)
323
324# GCC automatically adds fix-cortex-a53-843419 flag when used to link
325# which breaks some builds, so disable if errata fix is not explicitly enabled
326	ifeq (${ARCH},aarch64)
327		ifneq (${ERRATA_A53_843419},1)
328			TF_LDFLAGS	+= 	-mno-fix-cortex-a53-843419
329		endif
330	endif
331	TF_LDFLAGS		+= 	-nostdlib
332	TF_LDFLAGS		+=	$(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH)))
333
334# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other
335else
336# With ld.bfd version 2.39 and newer new warnings are added. Skip those since we
337# are not loaded by a elf loader.
338	TF_LDFLAGS		+=	$(call ld_option, --no-warn-rwx-segments)
339	TF_LDFLAGS		+=	-O1
340	TF_LDFLAGS		+=	--gc-sections
341
342	TF_LDFLAGS		+=	-z common-page-size=4096 # Configure page size constants
343	TF_LDFLAGS		+=	-z max-page-size=4096
344	TF_LDFLAGS		+=	--build-id=none
345
346# ld.lld doesn't recognize the errata flags,
347# therefore don't add those in that case.
348# ld.lld reports section type mismatch warnings,
349# therefore don't add --fatal-warnings to it.
350	ifneq ($($(ARCH)-ld-id),llvm-lld)
351		TF_LDFLAGS	+=	$(TF_LDFLAGS_$(ARCH)) --fatal-warnings
352	endif
353
354endif #(LD = armlink)
355
356################################################################################
357# Setup ARCH_MAJOR/MINOR before parsing arch_features.
358################################################################################
359ifeq (${ENABLE_RME},1)
360	ARM_ARCH_MAJOR := 9
361	ARM_ARCH_MINOR := 2
362endif
363
364################################################################################
365# Common sources and include directories
366################################################################################
367include lib/compiler-rt/compiler-rt.mk
368
369# Allow overriding the timestamp, for example for reproducible builds, or to
370# synchronize timestamps across multiple projects.
371# This must be set to a C string (including quotes where applicable).
372BUILD_MESSAGE_TIMESTAMP ?= __TIME__", "__DATE__
373
374DEFINES += -DBUILD_MESSAGE_TIMESTAMP='$(BUILD_MESSAGE_TIMESTAMP)'
375DEFINES += -DBUILD_MESSAGE_VERSION_STRING='"$(VERSION_STRING)"'
376DEFINES += -DBUILD_MESSAGE_VERSION='"$(VERSION)"'
377
378BL_COMMON_SOURCES	+=	common/bl_common.c			\
379				common/tf_log.c				\
380				common/${ARCH}/debug.S			\
381				drivers/console/multi_console.c		\
382				lib/${ARCH}/cache_helpers.S		\
383				lib/${ARCH}/misc_helpers.S		\
384				lib/extensions/pmuv3/${ARCH}/pmuv3.c	\
385				plat/common/plat_bl_common.c		\
386				plat/common/plat_log_common.c		\
387				plat/common/${ARCH}/plat_common.c	\
388				plat/common/${ARCH}/platform_helpers.S	\
389				${COMPILER_RT_SRCS}
390
391ifeq ($($(ARCH)-cc-id),arm-clang)
392	BL_COMMON_SOURCES	+=	lib/${ARCH}/armclang_printf.S
393endif
394
395ifeq (${SANITIZE_UB},on)
396	BL_COMMON_SOURCES	+=	plat/common/ubsan.c
397endif
398
399INCLUDES		+=	-Iinclude				\
400				-Iinclude/arch/${ARCH}			\
401				-Iinclude/lib/cpus/${ARCH}		\
402				-Iinclude/lib/el3_runtime/${ARCH}	\
403				${PLAT_INCLUDES}			\
404				${SPD_INCLUDES}
405
406DTC_FLAGS		+=	-I dts -O dtb
407DTC_CPPFLAGS		+=	-P -nostdinc $(INCLUDES) -Ifdts -undef \
408				-x assembler-with-cpp $(DEFINES)
409
410include common/backtrace/backtrace.mk
411
412################################################################################
413# Generic definitions
414################################################################################
415
416ifeq (${BUILD_BASE},)
417     BUILD_BASE		:=	./build
418endif
419BUILD_PLAT		:=	$(abspath ${BUILD_BASE})/${PLAT}/${BUILD_TYPE}
420
421SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
422
423# Platforms providing their own TBB makefile may override this value
424INCLUDE_TBBR_MK		:=	1
425
426################################################################################
427# Include SPD Makefile if one has been specified
428################################################################################
429
430ifneq (${SPD},none)
431	ifeq (${ARCH},aarch32)
432                $(error "Error: SPD is incompatible with AArch32.")
433	endif
434
435	ifdef EL3_PAYLOAD_BASE
436                $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
437                $(warning "The SPD and its BL32 companion will be present but \
438                ignored.")
439	endif
440
441	ifeq (${SPD},spmd)
442	# SPMD is located in std_svc directory
443		SPD_DIR := std_svc
444
445		ifeq ($(SPMD_SPM_AT_SEL2),1)
446			CTX_INCLUDE_EL2_REGS := 1
447			ifeq ($(SPMC_AT_EL3),1)
448                                $(error SPM cannot be enabled in both S-EL2 and EL3.)
449			endif
450			ifeq ($(CTX_INCLUDE_SVE_REGS),1)
451                                $(error SVE context management not needed with Hafnium SPMC.)
452			endif
453		endif
454
455		ifeq ($(findstring optee_sp,$(ARM_SPMC_MANIFEST_DTS)),optee_sp)
456			DTC_CPPFLAGS	+=	-DOPTEE_SP_FW_CONFIG
457		endif
458
459		ifeq ($(findstring trusty_sp,$(ARM_SPMC_MANIFEST_DTS)),trusty_sp)
460			DTC_CPPFLAGS	+=	-DTRUSTY_SP_FW_CONFIG
461		endif
462
463		ifeq ($(TS_SP_FW_CONFIG),1)
464			DTC_CPPFLAGS	+=	-DTS_SP_FW_CONFIG
465		endif
466
467		ifneq ($(ARM_BL2_SP_LIST_DTS),)
468		DTC_CPPFLAGS += -DARM_BL2_SP_LIST_DTS=$(ARM_BL2_SP_LIST_DTS)
469		endif
470
471		ifneq ($(SP_LAYOUT_FILE),)
472		BL2_ENABLE_SP_LOAD := 1
473		endif
474
475		ifeq ($(SPMC_AT_EL3_SEL0_SP),1)
476			ifneq ($(SPMC_AT_EL3),1)
477			$(error SEL0 SP cannot be enabled without SPMC at EL3)
478			endif
479		endif
480	else
481		# All other SPDs in spd directory
482		SPD_DIR := spd
483	endif #(SPD)
484
485	# We expect to locate an spd.mk under the specified SPD directory
486	SPD_MAKE	:=	$(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk)
487
488	ifeq (${SPD_MAKE},)
489                $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located)
490	endif
491        $(info Including ${SPD_MAKE})
492        include ${SPD_MAKE}
493
494	# If there's BL32 companion for the chosen SPD, we expect that the SPD's
495	# Makefile would set NEED_BL32 to "yes". In this case, the build system
496	# supports two mutually exclusive options:
497	# * BL32 is built from source: then BL32_SOURCES must contain the list
498	#   of source files to build BL32
499	# * BL32 is a prebuilt binary: then BL32 must point to the image file
500	#   that will be included in the FIP
501	# If both BL32_SOURCES and BL32 are defined, the binary takes precedence
502	# over the sources.
503endif #(SPD=none)
504
505ifeq (${ENABLE_SPMD_LP}, 1)
506ifneq (${SPD},spmd)
507        $(error Error: ENABLE_SPMD_LP requires SPD=spmd.)
508endif
509ifeq ($(SPMC_AT_EL3),1)
510        $(error SPMC at EL3 not supported when enabling SPMD Logical partitions.)
511endif
512endif
513
514################################################################################
515# Process BRANCH_PROTECTION value and set
516# Pointer Authentication and Branch Target Identification flags
517################################################################################
518ifeq (${BRANCH_PROTECTION},0)
519	# Default value turns off all types of branch protection
520	BP_OPTION := none
521else ifneq (${ARCH},aarch64)
522        $(error BRANCH_PROTECTION requires AArch64)
523else ifeq (${BRANCH_PROTECTION},1)
524	# Enables all types of branch protection features
525	BP_OPTION := standard
526	ENABLE_BTI := 1
527	ENABLE_PAUTH := 1
528else ifeq (${BRANCH_PROTECTION},2)
529	# Return address signing to its standard level
530	BP_OPTION := pac-ret
531	ENABLE_PAUTH := 1
532else ifeq (${BRANCH_PROTECTION},3)
533	# Extend the signing to include leaf functions
534	BP_OPTION := pac-ret+leaf
535	ENABLE_PAUTH := 1
536else ifeq (${BRANCH_PROTECTION},4)
537	# Turn on branch target identification mechanism
538	BP_OPTION := bti
539	ENABLE_BTI := 1
540else
541        $(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION})
542endif #(BRANCH_PROTECTION)
543
544ifeq ($(ENABLE_PAUTH),1)
545	CTX_INCLUDE_PAUTH_REGS := 1
546endif
547ifneq (${BP_OPTION},none)
548	TF_CFLAGS_aarch64	+=	-mbranch-protection=${BP_OPTION}
549endif #(BP_OPTION)
550
551# Pointer Authentication sources
552ifeq (${ENABLE_PAUTH}, 1)
553# arm/common/aarch64/arm_pauth.c contains a sample platform hook to complete the
554# Pauth support. As it's not secure, it must be reimplemented for real platforms
555	BL_COMMON_SOURCES	+=	lib/extensions/pauth/pauth_helpers.S
556endif
557
558################################################################################
559# Include the platform specific Makefile after the SPD Makefile (the platform
560# makefile may use all previous definitions in this file)
561################################################################################
562include ${PLAT_MAKEFILE_FULL}
563
564################################################################################
565# Setup arch_features based on ARM_ARCH_MAJOR, ARM_ARCH_MINOR provided from
566# platform.
567################################################################################
568include ${MAKE_HELPERS_DIRECTORY}arch_features.mk
569
570####################################################
571# Enable required options for Memory Stack Tagging.
572####################################################
573
574# Currently, these options are enabled only for clang and armclang compiler.
575ifeq (${SUPPORT_STACK_MEMTAG},yes)
576    ifdef mem_tag_arch_support
577        # Check for armclang and clang compilers
578        ifneq ($(filter %-clang,$($(ARCH)-cc-id)),)
579        # Add "memtag" architecture feature modifier if not specified
580            ifeq ( ,$(findstring memtag,$(arch-features)))
581                arch-features	:=	$(arch-features)+memtag
582            endif	# memtag
583            ifeq ($($(ARCH)-cc-id),arm-clang)
584                TF_CFLAGS	+=	-mmemtag-stack
585            else ifeq ($($(ARCH)-cc-id),llvm-clang)
586                TF_CFLAGS	+=	-fsanitize=memtag
587            endif	# armclang
588        endif
589    else
590        $(error "Error: stack memory tagging is not supported for  \
591        architecture ${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a")
592	endif #(mem_tag_arch_support)
593endif #(SUPPORT_STACK_MEMTAG)
594
595################################################################################
596# RME dependent flags configuration, Enable optional features for RME.
597################################################################################
598# FEAT_RME
599ifeq (${ENABLE_RME},1)
600	# RME doesn't support BRBE
601	ENABLE_BRBE_FOR_NS := 0
602
603	# RME doesn't support PIE
604	ifneq (${ENABLE_PIE},0)
605                $(error ENABLE_RME does not support PIE)
606	endif
607
608	# RME doesn't support BRBE
609	ifneq (${ENABLE_BRBE_FOR_NS},0)
610                $(error ENABLE_RME does not support BRBE.)
611	endif
612
613	# RME requires AARCH64
614	ifneq (${ARCH},aarch64)
615                $(error ENABLE_RME requires AArch64)
616	endif
617
618	# RME requires el2 context to be saved for now.
619	CTX_INCLUDE_EL2_REGS := 1
620	CTX_INCLUDE_AARCH32_REGS := 0
621	CTX_INCLUDE_PAUTH_REGS := 1
622
623	# RME enables CSV2_2 extension by default.
624	ENABLE_FEAT_CSV2_2 = 1
625endif #(FEAT_RME)
626
627################################################################################
628# Include rmmd Makefile if RME is enabled
629################################################################################
630ifneq (${ENABLE_RME},0)
631	ifneq (${ARCH},aarch64)
632                $(error ENABLE_RME requires AArch64)
633	endif
634	ifeq ($(SPMC_AT_EL3),1)
635                $(error SPMC_AT_EL3 and ENABLE_RME cannot both be enabled.)
636	endif
637
638	ifneq (${SPD}, none)
639		ifneq (${SPD}, spmd)
640                        $(error ENABLE_RME is incompatible with SPD=${SPD}. Use SPD=spmd)
641		endif
642	endif
643include services/std_svc/rmmd/rmmd.mk
644$(warning "RME is an experimental feature")
645endif
646
647ifeq (${CTX_INCLUDE_EL2_REGS}, 1)
648	ifeq (${SPD},none)
649		ifeq (${ENABLE_RME},0)
650                        $(error CTX_INCLUDE_EL2_REGS is available only when SPD \
651                        or RME is enabled)
652		endif
653	endif
654endif
655
656################################################################################
657# Platform specific Makefile might provide us ARCH_MAJOR/MINOR use that to come
658# up with appropriate march values for compiler.
659################################################################################
660include ${MAKE_HELPERS_DIRECTORY}march.mk
661
662TF_CFLAGS   +=	$(march-directive)
663ASFLAGS		+=	$(march-directive)
664
665# This internal flag is common option which is set to 1 for scenarios
666# when the BL2 is running in EL3 level. This occurs in two scenarios -
667# 4 world system running BL2 at EL3 and two world system without BL1 running
668# BL2 in EL3
669
670ifeq (${RESET_TO_BL2},1)
671	BL2_RUNS_AT_EL3	:=	1
672	ifeq (${ENABLE_RME},1)
673                $(error RESET_TO_BL2=1 and ENABLE_RME=1 configuration is not \
674                supported at the moment.)
675	endif
676else ifeq (${ENABLE_RME},1)
677	BL2_RUNS_AT_EL3	:=	1
678else
679	BL2_RUNS_AT_EL3	:=	0
680endif
681
682# This internal flag is set to 1 when Firmware First handling of External aborts
683# is required by lowe ELs. Currently only NS requires this support.
684ifeq ($(HANDLE_EA_EL3_FIRST_NS),1)
685	FFH_SUPPORT := 1
686else
687	FFH_SUPPORT := 0
688endif
689
690ifeq (${ARM_ARCH_MAJOR},7)
691include make_helpers/armv7-a-cpus.mk
692endif
693
694PIE_FOUND		:=	$(findstring --enable-default-pie,${GCC_V_OUTPUT})
695ifneq ($(PIE_FOUND),)
696	TF_CFLAGS	+=	-fno-PIE
697ifeq ($($(ARCH)-ld-id),gnu-gcc)
698	TF_LDFLAGS	+=	-no-pie
699endif
700endif #(PIE_FOUND)
701
702ifeq ($($(ARCH)-ld-id),gnu-gcc)
703	PIE_LDFLAGS	+=	-Wl,-pie -Wl,--no-dynamic-linker
704else
705	PIE_LDFLAGS	+=	-pie --no-dynamic-linker
706endif
707
708ifeq ($(ENABLE_PIE),1)
709	ifeq ($(RESET_TO_BL2),1)
710		ifneq ($(BL2_IN_XIP_MEM),1)
711			BL2_CPPFLAGS	+=	-fpie
712			BL2_CFLAGS	+=	-fpie
713			BL2_LDFLAGS	+=	$(PIE_LDFLAGS)
714		endif #(BL2_IN_XIP_MEM)
715	endif #(RESET_TO_BL2)
716	BL31_CPPFLAGS	+=	-fpie
717	BL31_CFLAGS 	+=	-fpie
718	BL31_LDFLAGS	+=	$(PIE_LDFLAGS)
719
720	BL32_CPPFLAGS	+=	-fpie
721	BL32_CFLAGS	+=	-fpie
722	BL32_LDFLAGS	+=	$(PIE_LDFLAGS)
723endif #(ENABLE_PIE)
724
725BL1_CPPFLAGS  += -DREPORT_ERRATA=${DEBUG}
726BL31_CPPFLAGS += -DREPORT_ERRATA=${DEBUG}
727BL32_CPPFLAGS += -DREPORT_ERRATA=${DEBUG}
728
729BL1_CPPFLAGS += -DIMAGE_AT_EL3
730ifeq ($(RESET_TO_BL2),1)
731	BL2_CPPFLAGS += -DIMAGE_AT_EL3
732else
733	BL2_CPPFLAGS += -DIMAGE_AT_EL1
734endif #(RESET_TO_BL2)
735
736ifeq (${ARCH},aarch64)
737	BL2U_CPPFLAGS += -DIMAGE_AT_EL1
738	BL31_CPPFLAGS += -DIMAGE_AT_EL3
739	BL32_CPPFLAGS += -DIMAGE_AT_EL1
740else
741	BL32_CPPFLAGS += -DIMAGE_AT_EL3
742endif
743
744# Include the CPU specific operations makefile, which provides default
745# values for all CPU errata workarounds and CPU specific optimisations.
746# This can be overridden by the platform.
747include lib/cpus/cpu-ops.mk
748
749################################################################################
750# Build `AARCH32_SP` as BL32 image for AArch32
751################################################################################
752ifeq (${ARCH},aarch32)
753        NEED_BL32 := yes
754
755        ifneq (${AARCH32_SP},none)
756        # We expect to locate an sp.mk under the specified AARCH32_SP directory
757		AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
758
759                ifeq (${AARCH32_SP_MAKE},)
760                        $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
761                endif
762                $(info Including ${AARCH32_SP_MAKE})
763                include ${AARCH32_SP_MAKE}
764        endif
765endif #(ARCH=aarch32)
766
767################################################################################
768# Include libc if not overridden
769################################################################################
770ifeq (${OVERRIDE_LIBC},0)
771include lib/libc/libc.mk
772endif
773
774################################################################################
775# Check incompatible options and dependencies
776################################################################################
777
778# USE_DEBUGFS experimental feature recommended only in debug builds
779ifeq (${USE_DEBUGFS},1)
780        ifeq (${DEBUG},1)
781                $(warning DEBUGFS experimental feature is enabled.)
782        else
783                $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY)
784        endif
785endif #(USE_DEBUGFS)
786
787# USE_SPINLOCK_CAS requires AArch64 build
788ifeq (${USE_SPINLOCK_CAS},1)
789        ifneq (${ARCH},aarch64)
790               $(error USE_SPINLOCK_CAS requires AArch64)
791        endif
792endif #(USE_SPINLOCK_CAS)
793
794# The cert_create tool cannot generate certificates individually, so we use the
795# target 'certificates' to create them all
796ifneq (${GENERATE_COT},0)
797        FIP_DEPS += certificates
798        FWU_FIP_DEPS += fwu_certificates
799endif
800
801ifneq (${DECRYPTION_SUPPORT},none)
802	ENC_ARGS += -f ${FW_ENC_STATUS}
803	ENC_ARGS += -k ${ENC_KEY}
804	ENC_ARGS += -n ${ENC_NONCE}
805	FIP_DEPS += enctool
806	FWU_FIP_DEPS += enctool
807endif #(DECRYPTION_SUPPORT)
808
809ifdef EL3_PAYLOAD_BASE
810	ifdef PRELOADED_BL33_BASE
811                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
812		incompatible build options. EL3_PAYLOAD_BASE has priority.")
813	endif
814	ifneq (${GENERATE_COT},0)
815                $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible \
816                build options.")
817	endif
818	ifneq (${TRUSTED_BOARD_BOOT},0)
819                $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are \
820                incompatible \ build options.")
821	endif
822endif #(EL3_PAYLOAD_BASE)
823
824ifeq (${NEED_BL33},yes)
825	ifdef EL3_PAYLOAD_BASE
826                $(warning "BL33 image is not needed when option \
827                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
828	endif
829	ifdef PRELOADED_BL33_BASE
830                $(warning "BL33 image is not needed when option \
831                PRELOADED_BL33_BASE is used and won't be added to the FIP file.")
832	endif
833endif #(NEED_BL33)
834
835# When building for systems with hardware-assisted coherency, there's no need to
836# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
837ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
838        $(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
839endif
840
841#For now, BL2_IN_XIP_MEM is only supported when RESET_TO_BL2 is 1.
842ifeq ($(RESET_TO_BL2)-$(BL2_IN_XIP_MEM),0-1)
843        $(error "BL2_IN_XIP_MEM is only supported when RESET_TO_BL2 is enabled")
844endif
845
846# RAS_EXTENSION is deprecated, provide alternate build options
847ifeq ($(RAS_EXTENSION),1)
848        $(error "RAS_EXTENSION is now deprecated, please use ENABLE_FEAT_RAS \
849        and HANDLE_EA_EL3_FIRST_NS instead")
850endif
851
852
853# When FAULT_INJECTION_SUPPORT is used, require that FEAT_RAS is enabled
854ifeq ($(FAULT_INJECTION_SUPPORT),1)
855	ifeq ($(ENABLE_FEAT_RAS),0)
856                $(error For FAULT_INJECTION_SUPPORT, ENABLE_FEAT_RAS must not be 0)
857	endif
858endif #(FAULT_INJECTION_SUPPORT)
859
860# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1
861ifeq ($(DYN_DISABLE_AUTH), 1)
862	ifeq (${TRUSTED_BOARD_BOOT}, 0)
863                $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH \
864                to be set.")
865	endif
866endif #(DYN_DISABLE_AUTH)
867
868ifeq ($(MEASURED_BOOT)-$(TRUSTED_BOARD_BOOT),1-1)
869# Support authentication verification and hash calculation
870	CRYPTO_SUPPORT := 3
871else ifeq ($(DRTM_SUPPORT)-$(TRUSTED_BOARD_BOOT),1-1)
872# Support authentication verification and hash calculation
873	CRYPTO_SUPPORT := 3
874else ifneq ($(filter 1,${MEASURED_BOOT} ${DRTM_SUPPORT}),)
875# Support hash calculation only
876	CRYPTO_SUPPORT := 2
877else ifeq (${TRUSTED_BOARD_BOOT},1)
878# Support authentication verification only
879	CRYPTO_SUPPORT := 1
880else
881	CRYPTO_SUPPORT := 0
882endif #($(MEASURED_BOOT)-$(TRUSTED_BOARD_BOOT))
883
884# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled.
885ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1)
886        $(error "SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled")
887endif
888
889# If pointer authentication is used in the firmware, make sure that all the
890# registers associated to it are also saved and restored.
891# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1.
892ifeq ($(ENABLE_PAUTH),1)
893	ifeq ($(CTX_INCLUDE_PAUTH_REGS),0)
894                $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1)
895	endif
896endif #(ENABLE_PAUTH)
897
898ifeq ($(CTX_INCLUDE_PAUTH_REGS),1)
899	ifneq (${ARCH},aarch64)
900                $(error CTX_INCLUDE_PAUTH_REGS requires AArch64)
901	endif
902endif #(CTX_INCLUDE_PAUTH_REGS)
903
904ifeq ($(FEATURE_DETECTION),1)
905        $(info FEATURE_DETECTION is an experimental feature)
906endif #(FEATURE_DETECTION)
907
908ifneq ($(ENABLE_SME2_FOR_NS), 0)
909	ifeq (${ENABLE_SME_FOR_NS}, 0)
910                $(warning "ENABLE_SME2_FOR_NS requires ENABLE_SME_FOR_NS also \
911                to be set")
912                $(warning "Forced ENABLE_SME_FOR_NS=1")
913		override ENABLE_SME_FOR_NS	:= 1
914	endif
915endif #(ENABLE_SME2_FOR_NS)
916
917ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1)
918	ifeq (${ALLOW_RO_XLAT_TABLES}, 1)
919                $(error "ALLOW_RO_XLAT_TABLES requires translation tables \
920                library v2")
921	endif
922endif #(ARM_XLAT_TABLES_LIB_V1)
923
924ifneq (${DECRYPTION_SUPPORT},none)
925	ifeq (${TRUSTED_BOARD_BOOT}, 0)
926                $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT \
927                to be set)
928	endif
929endif #(DECRYPTION_SUPPORT)
930
931# Ensure that no Aarch64-only features are enabled in Aarch32 build
932ifeq (${ARCH},aarch32)
933
934	# SME/SVE only supported on AArch64
935	ifneq (${ENABLE_SME_FOR_NS},0)
936                $(error "ENABLE_SME_FOR_NS cannot be used with ARCH=aarch32")
937	endif
938
939	ifeq (${ENABLE_SVE_FOR_NS},1)
940		# Warning instead of error due to CI dependency on this
941                $(error "ENABLE_SVE_FOR_NS cannot be used with ARCH=aarch32")
942	endif
943
944	# BRBE is not supported in AArch32
945	ifeq (${ENABLE_BRBE_FOR_NS},1)
946                $(error "ENABLE_BRBE_FOR_NS cannot be used with ARCH=aarch32")
947	endif
948
949	# FEAT_RNG_TRAP is not supported in AArch32
950	ifeq (${ENABLE_FEAT_RNG_TRAP},1)
951                $(error "ENABLE_FEAT_RNG_TRAP cannot be used with ARCH=aarch32")
952	endif
953endif #(ARCH=aarch32)
954
955ifneq (${ENABLE_SME_FOR_NS},0)
956	ifeq (${ENABLE_SVE_FOR_NS},0)
957                $(error "ENABLE_SME_FOR_NS requires ENABLE_SVE_FOR_NS")
958	endif
959endif #(ENABLE_SME_FOR_NS)
960
961# Secure SME/SVE requires the non-secure component as well
962ifeq (${ENABLE_SME_FOR_SWD},1)
963	ifeq (${ENABLE_SME_FOR_NS},0)
964                $(error "ENABLE_SME_FOR_SWD requires ENABLE_SME_FOR_NS")
965	endif
966	ifeq (${ENABLE_SVE_FOR_SWD},0)
967                $(error "ENABLE_SME_FOR_SWD requires ENABLE_SVE_FOR_SWD")
968	endif
969endif #(ENABLE_SME_FOR_SWD)
970
971# Enabling SVE for SWD requires enabling SVE for NWD due to ENABLE_FEAT
972# mechanism.
973ifeq (${ENABLE_SVE_FOR_SWD},1)
974    ifeq (${ENABLE_SVE_FOR_NS},0)
975        $(error "ENABLE_SVE_FOR_SWD requires ENABLE_SVE_FOR_NS")
976    endif
977endif
978
979# Enabling SVE for both the worlds typically requires the context
980# management of SVE registers. The only exception being SPMC at S-EL2.
981ifeq (${ENABLE_SVE_FOR_SWD}, 1)
982    ifneq (${ENABLE_SVE_FOR_NS}, 0)
983        ifeq (${CTX_INCLUDE_SVE_REGS}-$(SPMD_SPM_AT_SEL2),0-0)
984            $(warning "ENABLE_SVE_FOR_SWD and ENABLE_SVE_FOR_NS together require CTX_INCLUDE_SVE_REGS")
985        endif
986    endif
987endif
988
989# Enabling SVE in either world while enabling CTX_INCLUDE_FPREGS requires
990# CTX_INCLUDE_SVE_REGS to be enabled due to architectural dependency between FP
991# and SVE registers.
992ifeq (${CTX_INCLUDE_FPREGS}, 1)
993    ifneq (${ENABLE_SVE_FOR_NS},0)
994        ifeq (${CTX_INCLUDE_SVE_REGS},0)
995	    # Warning instead of error due to CI dependency on this
996            $(warning "CTX_INCLUDE_FPREGS and ENABLE_SVE_FOR_NS together require CTX_INCLUDE_SVE_REGS")
997            $(warning "Forced ENABLE_SVE_FOR_NS=0")
998	    override ENABLE_SVE_FOR_NS	:= 0
999        endif
1000    endif
1001endif #(CTX_INCLUDE_FPREGS)
1002
1003# SVE context management is only required if secure world has access to SVE/FP
1004# functionality.
1005ifeq (${CTX_INCLUDE_SVE_REGS},1)
1006    ifeq (${ENABLE_SVE_FOR_SWD},0)
1007        $(error "CTX_INCLUDE_SVE_REGS requires ENABLE_SVE_FOR_SWD to also be enabled")
1008    endif
1009endif
1010
1011# SME cannot be used with CTX_INCLUDE_FPREGS since SPM does its own context
1012# management including FPU registers.
1013ifeq (${CTX_INCLUDE_FPREGS},1)
1014    ifneq (${ENABLE_SME_FOR_NS},0)
1015        $(error "ENABLE_SME_FOR_NS cannot be used with CTX_INCLUDE_FPREGS")
1016    endif
1017endif #(CTX_INCLUDE_FPREGS)
1018
1019ifeq ($(DRTM_SUPPORT),1)
1020        $(info DRTM_SUPPORT is an experimental feature)
1021endif
1022
1023ifeq (${TRANSFER_LIST},1)
1024        $(info TRANSFER_LIST is an experimental feature)
1025endif
1026
1027ifeq (${ENABLE_RME},1)
1028	ifneq (${SEPARATE_CODE_AND_RODATA},1)
1029                $(error `ENABLE_RME=1` requires `SEPARATE_CODE_AND_RODATA=1`)
1030	endif
1031endif
1032
1033ifeq ($(PSA_CRYPTO),1)
1034        $(info PSA_CRYPTO is an experimental feature)
1035endif
1036
1037ifeq ($(DICE_PROTECTION_ENVIRONMENT),1)
1038        $(info DICE_PROTECTION_ENVIRONMENT is an experimental feature)
1039endif
1040
1041################################################################################
1042# Process platform overrideable behaviour
1043################################################################################
1044
1045ifdef BL1_SOURCES
1046	NEED_BL1 := yes
1047endif #(BL1_SOURCES)
1048
1049ifdef BL2_SOURCES
1050	NEED_BL2 := yes
1051
1052	# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and
1053	# Certificate generation tools. This flag can be overridden by the platform.
1054	ifdef EL3_PAYLOAD_BASE
1055		# If booting an EL3 payload there is no need for a BL33 image
1056		# in the FIP file.
1057		NEED_BL33		:=	no
1058	else
1059		ifdef PRELOADED_BL33_BASE
1060			# If booting a BL33 preloaded image there is no need of
1061			# another one in the FIP file.
1062			NEED_BL33		:=	no
1063		else
1064			NEED_BL33		?=	yes
1065		endif
1066	endif
1067endif #(BL2_SOURCES)
1068
1069ifdef BL2U_SOURCES
1070	NEED_BL2U := yes
1071endif #(BL2U_SOURCES)
1072
1073# If SCP_BL2 is given, we always want FIP to include it.
1074ifdef SCP_BL2
1075	NEED_SCP_BL2		:=	yes
1076endif #(SCP_BL2)
1077
1078# For AArch32, BL31 is not currently supported.
1079ifneq (${ARCH},aarch32)
1080	ifdef BL31_SOURCES
1081	# When booting an EL3 payload, there is no need to compile the BL31
1082	# image nor put it in the FIP.
1083		ifndef EL3_PAYLOAD_BASE
1084			NEED_BL31 := yes
1085		endif
1086	endif
1087endif #(ARCH=aarch64)
1088
1089# Process TBB related flags
1090ifneq (${GENERATE_COT},0)
1091	# Common cert_create options
1092	ifneq (${CREATE_KEYS},0)
1093                $(eval CRT_ARGS += -n)
1094                $(eval FWU_CRT_ARGS += -n)
1095		ifneq (${SAVE_KEYS},0)
1096                        $(eval CRT_ARGS += -k)
1097                        $(eval FWU_CRT_ARGS += -k)
1098		endif
1099	endif
1100	# Include TBBR makefile (unless the platform indicates otherwise)
1101	ifeq (${INCLUDE_TBBR_MK},1)
1102                include make_helpers/tbbr/tbbr_tools.mk
1103	endif
1104endif #(GENERATE_COT)
1105
1106ifneq (${FIP_ALIGN},0)
1107	FIP_ARGS += --align ${FIP_ALIGN}
1108endif #(FIP_ALIGN)
1109
1110ifdef FDT_SOURCES
1111	NEED_FDT := yes
1112endif #(FDT_SOURCES)
1113
1114################################################################################
1115# Include libraries' Makefile that are used in all BL
1116################################################################################
1117
1118include lib/stack_protector/stack_protector.mk
1119
1120################################################################################
1121# Include BL specific makefiles
1122################################################################################
1123
1124ifeq (${NEED_BL1},yes)
1125include bl1/bl1.mk
1126endif
1127
1128ifeq (${NEED_BL2},yes)
1129include bl2/bl2.mk
1130endif
1131
1132ifeq (${NEED_BL2U},yes)
1133include bl2u/bl2u.mk
1134endif
1135
1136ifeq (${NEED_BL31},yes)
1137include bl31/bl31.mk
1138endif
1139
1140################################################################################
1141# Build options checks
1142################################################################################
1143
1144# Boolean_Flags
1145$(eval $(call assert_booleans,\
1146    $(sort \
1147	ALLOW_RO_XLAT_TABLES \
1148	BL2_ENABLE_SP_LOAD \
1149	COLD_BOOT_SINGLE_CPU \
1150	CREATE_KEYS \
1151	CTX_INCLUDE_AARCH32_REGS \
1152	CTX_INCLUDE_FPREGS \
1153	CTX_INCLUDE_SVE_REGS \
1154	CTX_INCLUDE_EL2_REGS \
1155	CTX_INCLUDE_MPAM_REGS \
1156	DEBUG \
1157	DYN_DISABLE_AUTH \
1158	EL3_EXCEPTION_HANDLING \
1159	ENABLE_AMU_AUXILIARY_COUNTERS \
1160	ENABLE_AMU_FCONF \
1161	AMU_RESTRICT_COUNTERS \
1162	ENABLE_ASSERTIONS \
1163	ENABLE_PIE \
1164	ENABLE_PMF \
1165	ENABLE_PSCI_STAT \
1166	ENABLE_RUNTIME_INSTRUMENTATION \
1167	ENABLE_SME_FOR_SWD \
1168	ENABLE_SVE_FOR_SWD \
1169	ENABLE_FEAT_RAS	\
1170	FFH_SUPPORT	\
1171	ERROR_DEPRECATED \
1172	FAULT_INJECTION_SUPPORT \
1173	GENERATE_COT \
1174	GICV2_G0_FOR_EL3 \
1175	HANDLE_EA_EL3_FIRST_NS \
1176	HARDEN_SLS \
1177	HW_ASSISTED_COHERENCY \
1178	MEASURED_BOOT \
1179	DICE_PROTECTION_ENVIRONMENT \
1180	DRTM_SUPPORT \
1181	NS_TIMER_SWITCH \
1182	OVERRIDE_LIBC \
1183	PL011_GENERIC_UART \
1184	PROGRAMMABLE_RESET_ADDRESS \
1185	PSCI_EXTENDED_STATE_ID \
1186	PSCI_OS_INIT_MODE \
1187	RESET_TO_BL31 \
1188	SAVE_KEYS \
1189	SEPARATE_CODE_AND_RODATA \
1190	SEPARATE_BL2_NOLOAD_REGION \
1191	SEPARATE_NOBITS_REGION \
1192	SEPARATE_SIMD_SECTION \
1193	SPIN_ON_BL1_EXIT \
1194	SPM_MM \
1195	SPMC_AT_EL3 \
1196	SPMC_AT_EL3_SEL0_SP \
1197	SPMD_SPM_AT_SEL2 \
1198	ENABLE_SPMD_LP \
1199	TRANSFER_LIST \
1200	TRUSTED_BOARD_BOOT \
1201	USE_COHERENT_MEM \
1202	USE_DEBUGFS \
1203	ARM_IO_IN_DTB \
1204	SDEI_IN_FCONF \
1205	SEC_INT_DESC_IN_FCONF \
1206	USE_ROMLIB \
1207	USE_TBBR_DEFS \
1208	WARMBOOT_ENABLE_DCACHE_EARLY \
1209	RESET_TO_BL2 \
1210	BL2_IN_XIP_MEM \
1211	BL2_INV_DCACHE \
1212	USE_SPINLOCK_CAS \
1213	ENCRYPT_BL31 \
1214	ENCRYPT_BL32 \
1215	ERRATA_SPECULATIVE_AT \
1216	RAS_TRAP_NS_ERR_REC_ACCESS \
1217	COT_DESC_IN_DTB \
1218	USE_SP804_TIMER \
1219	PSA_FWU_SUPPORT \
1220	PSA_FWU_METADATA_FW_STORE_DESC \
1221	ENABLE_MPMM \
1222	ENABLE_MPMM_FCONF \
1223	FEATURE_DETECTION \
1224	TRNG_SUPPORT \
1225	ERRATA_ABI_SUPPORT \
1226	ERRATA_NON_ARM_INTERCONNECT \
1227	CONDITIONAL_CMO \
1228	PSA_CRYPTO	\
1229	ENABLE_CONSOLE_GETC \
1230	INIT_UNUSED_NS_EL2	\
1231	PLATFORM_REPORT_CTX_MEM_USE \
1232	EARLY_CONSOLE \
1233	PRESERVE_DSU_PMU_REGS \
1234)))
1235
1236# Numeric_Flags
1237$(eval $(call assert_numerics,\
1238    $(sort \
1239	ARM_ARCH_MAJOR \
1240	ARM_ARCH_MINOR \
1241	BRANCH_PROTECTION \
1242	CTX_INCLUDE_PAUTH_REGS \
1243	CTX_INCLUDE_NEVE_REGS \
1244	CRYPTO_SUPPORT \
1245	DISABLE_MTPMU \
1246	ENABLE_BRBE_FOR_NS \
1247	ENABLE_TRBE_FOR_NS \
1248	ENABLE_BTI \
1249	ENABLE_PAUTH \
1250	ENABLE_FEAT_AMU \
1251	ENABLE_FEAT_AMUv1p1 \
1252	ENABLE_FEAT_CSV2_2 \
1253	ENABLE_FEAT_CSV2_3 \
1254	ENABLE_FEAT_DEBUGV8P9 \
1255	ENABLE_FEAT_DIT \
1256	ENABLE_FEAT_ECV \
1257	ENABLE_FEAT_FGT \
1258	ENABLE_FEAT_FGT2 \
1259	ENABLE_FEAT_HCX \
1260	ENABLE_FEAT_MTE2 \
1261	ENABLE_FEAT_PAN \
1262	ENABLE_FEAT_RNG \
1263	ENABLE_FEAT_RNG_TRAP \
1264	ENABLE_FEAT_SEL2 \
1265	ENABLE_FEAT_TCR2 \
1266	ENABLE_FEAT_SB \
1267	ENABLE_FEAT_S2PIE \
1268	ENABLE_FEAT_S1PIE \
1269	ENABLE_FEAT_S2POE \
1270	ENABLE_FEAT_S1POE \
1271	ENABLE_FEAT_GCS \
1272	ENABLE_FEAT_VHE \
1273	ENABLE_FEAT_MPAM \
1274	ENABLE_RME \
1275	ENABLE_SPE_FOR_NS \
1276	ENABLE_SYS_REG_TRACE_FOR_NS \
1277	ENABLE_SME_FOR_NS \
1278	ENABLE_SME2_FOR_NS \
1279	ENABLE_SVE_FOR_NS \
1280	ENABLE_TRF_FOR_NS \
1281	FW_ENC_STATUS \
1282	NR_OF_FW_BANKS \
1283	NR_OF_IMAGES_IN_FW_BANK \
1284	TWED_DELAY \
1285	ENABLE_FEAT_TWED \
1286	SVE_VECTOR_LEN \
1287	IMPDEF_SYSREG_TRAP \
1288)))
1289
1290ifdef KEY_SIZE
1291        $(eval $(call assert_numeric,KEY_SIZE))
1292endif
1293
1294ifeq ($(filter $(SANITIZE_UB), on off trap),)
1295        $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap")
1296endif
1297
1298################################################################################
1299# Add definitions to the cpp preprocessor based on the current build options.
1300# This is done after including the platform specific makefile to allow the
1301# platform to overwrite the default options
1302################################################################################
1303
1304$(eval $(call add_defines,\
1305    $(sort \
1306	ALLOW_RO_XLAT_TABLES \
1307	ARM_ARCH_MAJOR \
1308	ARM_ARCH_MINOR \
1309	BL2_ENABLE_SP_LOAD \
1310	COLD_BOOT_SINGLE_CPU \
1311	CTX_INCLUDE_AARCH32_REGS \
1312	CTX_INCLUDE_FPREGS \
1313	CTX_INCLUDE_SVE_REGS \
1314	CTX_INCLUDE_PAUTH_REGS \
1315	CTX_INCLUDE_MPAM_REGS \
1316	EL3_EXCEPTION_HANDLING \
1317	CTX_INCLUDE_EL2_REGS \
1318	CTX_INCLUDE_NEVE_REGS \
1319	DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \
1320	DISABLE_MTPMU \
1321	ENABLE_FEAT_AMU \
1322	ENABLE_AMU_AUXILIARY_COUNTERS \
1323	ENABLE_AMU_FCONF \
1324	AMU_RESTRICT_COUNTERS \
1325	ENABLE_ASSERTIONS \
1326	ENABLE_BTI \
1327	ENABLE_FEAT_DEBUGV8P9 \
1328	ENABLE_FEAT_MPAM \
1329	ENABLE_PAUTH \
1330	ENABLE_PIE \
1331	ENABLE_PMF \
1332	ENABLE_PSCI_STAT \
1333	ENABLE_RME \
1334	ENABLE_RUNTIME_INSTRUMENTATION \
1335	ENABLE_SME_FOR_NS \
1336	ENABLE_SME2_FOR_NS \
1337	ENABLE_SME_FOR_SWD \
1338	ENABLE_SPE_FOR_NS \
1339	ENABLE_SVE_FOR_NS \
1340	ENABLE_SVE_FOR_SWD \
1341	ENABLE_FEAT_RAS \
1342	FFH_SUPPORT \
1343	ENCRYPT_BL31 \
1344	ENCRYPT_BL32 \
1345	ERROR_DEPRECATED \
1346	FAULT_INJECTION_SUPPORT \
1347	GICV2_G0_FOR_EL3 \
1348	HANDLE_EA_EL3_FIRST_NS \
1349	HW_ASSISTED_COHERENCY \
1350	LOG_LEVEL \
1351	MEASURED_BOOT \
1352	DICE_PROTECTION_ENVIRONMENT \
1353	DRTM_SUPPORT \
1354	NS_TIMER_SWITCH \
1355	PL011_GENERIC_UART \
1356	PLAT_${PLAT} \
1357	PROGRAMMABLE_RESET_ADDRESS \
1358	PSCI_EXTENDED_STATE_ID \
1359	PSCI_OS_INIT_MODE \
1360	RESET_TO_BL31 \
1361	RME_GPT_BITLOCK_BLOCK \
1362	RME_GPT_MAX_BLOCK \
1363	SEPARATE_CODE_AND_RODATA \
1364	SEPARATE_BL2_NOLOAD_REGION \
1365	SEPARATE_NOBITS_REGION \
1366	SEPARATE_SIMD_SECTION \
1367	RECLAIM_INIT_CODE \
1368	SPD_${SPD} \
1369	SPIN_ON_BL1_EXIT \
1370	SPM_MM \
1371	SPMC_AT_EL3 \
1372	SPMC_AT_EL3_SEL0_SP \
1373	SPMD_SPM_AT_SEL2 \
1374	TRANSFER_LIST \
1375	TRUSTED_BOARD_BOOT \
1376	CRYPTO_SUPPORT \
1377	TRNG_SUPPORT \
1378	ERRATA_ABI_SUPPORT \
1379	ERRATA_NON_ARM_INTERCONNECT \
1380	USE_COHERENT_MEM \
1381	USE_DEBUGFS \
1382	ARM_IO_IN_DTB \
1383	SDEI_IN_FCONF \
1384	SEC_INT_DESC_IN_FCONF \
1385	USE_ROMLIB \
1386	USE_TBBR_DEFS \
1387	WARMBOOT_ENABLE_DCACHE_EARLY \
1388	RESET_TO_BL2 \
1389	BL2_RUNS_AT_EL3	\
1390	BL2_IN_XIP_MEM \
1391	BL2_INV_DCACHE \
1392	USE_SPINLOCK_CAS \
1393	ERRATA_SPECULATIVE_AT \
1394	RAS_TRAP_NS_ERR_REC_ACCESS \
1395	COT_DESC_IN_DTB \
1396	USE_SP804_TIMER \
1397	ENABLE_FEAT_RNG \
1398	ENABLE_FEAT_RNG_TRAP \
1399	ENABLE_FEAT_SB \
1400	ENABLE_FEAT_DIT \
1401	NR_OF_FW_BANKS \
1402	NR_OF_IMAGES_IN_FW_BANK \
1403	PSA_FWU_SUPPORT \
1404	PSA_FWU_METADATA_FW_STORE_DESC \
1405	ENABLE_BRBE_FOR_NS \
1406	ENABLE_TRBE_FOR_NS \
1407	ENABLE_SYS_REG_TRACE_FOR_NS \
1408	ENABLE_TRF_FOR_NS \
1409	ENABLE_FEAT_HCX \
1410	ENABLE_MPMM \
1411	ENABLE_MPMM_FCONF \
1412	ENABLE_FEAT_FGT \
1413	ENABLE_FEAT_FGT2 \
1414	ENABLE_FEAT_ECV \
1415	ENABLE_FEAT_AMUv1p1 \
1416	ENABLE_FEAT_SEL2 \
1417	ENABLE_FEAT_VHE \
1418	ENABLE_FEAT_CSV2_2 \
1419	ENABLE_FEAT_CSV2_3 \
1420	ENABLE_FEAT_PAN \
1421	ENABLE_FEAT_TCR2 \
1422	ENABLE_FEAT_S2PIE \
1423	ENABLE_FEAT_S1PIE \
1424	ENABLE_FEAT_S2POE \
1425	ENABLE_FEAT_S1POE \
1426	ENABLE_FEAT_GCS \
1427	ENABLE_FEAT_MTE2 \
1428	FEATURE_DETECTION \
1429	TWED_DELAY \
1430	ENABLE_FEAT_TWED \
1431	CONDITIONAL_CMO \
1432	IMPDEF_SYSREG_TRAP \
1433	SVE_VECTOR_LEN \
1434	ENABLE_SPMD_LP \
1435	PSA_CRYPTO	\
1436	ENABLE_CONSOLE_GETC \
1437	INIT_UNUSED_NS_EL2	\
1438	PLATFORM_REPORT_CTX_MEM_USE \
1439	EARLY_CONSOLE \
1440	PRESERVE_DSU_PMU_REGS \
1441)))
1442
1443ifeq (${PLATFORM_REPORT_CTX_MEM_USE}, 1)
1444ifeq (${DEBUG}, 0)
1445        $(warning "PLATFORM_REPORT_CTX_MEM_USE can be applied when DEBUG=1 only")
1446        override PLATFORM_REPORT_CTX_MEM_USE := 0
1447endif
1448endif
1449
1450ifeq (${SANITIZE_UB},trap)
1451        $(eval $(call add_define,MONITOR_TRAPS))
1452endif #(SANITIZE_UB)
1453
1454# Define the EL3_PAYLOAD_BASE flag only if it is provided.
1455ifdef EL3_PAYLOAD_BASE
1456        $(eval $(call add_define,EL3_PAYLOAD_BASE))
1457else
1458# Define the PRELOADED_BL33_BASE flag only if it is provided and
1459# EL3_PAYLOAD_BASE is not defined, as it has priority.
1460	ifdef PRELOADED_BL33_BASE
1461                $(eval $(call add_define,PRELOADED_BL33_BASE))
1462	endif
1463endif #(EL3_PAYLOAD_BASE)
1464
1465# Define the DYN_DISABLE_AUTH flag only if set.
1466ifeq (${DYN_DISABLE_AUTH},1)
1467        $(eval $(call add_define,DYN_DISABLE_AUTH))
1468endif
1469
1470ifeq ($($(ARCH)-ld-id),arm-link)
1471        $(eval $(call add_define,USE_ARM_LINK))
1472endif
1473
1474# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined
1475ifeq (${SPD},spmd)
1476ifdef SP_LAYOUT_FILE
1477	-include $(BUILD_PLAT)/sp_gen.mk
1478	FIP_DEPS += sp
1479	CRT_DEPS += sp
1480	NEED_SP_PKG := yes
1481else
1482	ifeq (${SPMD_SPM_AT_SEL2},1)
1483                $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE")
1484	endif
1485endif #(SP_LAYOUT_FILE)
1486endif #(SPD)
1487
1488################################################################################
1489# Build targets
1490################################################################################
1491
1492.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp tl fwu_fip certtool dtbs memmap doc enctool
1493.SUFFIXES:
1494
1495all: msg_start
1496
1497msg_start:
1498	$(s)echo "Building ${PLAT}"
1499
1500ifeq (${ERROR_DEPRECATED},0)
1501# Check if deprecated declarations and cpp warnings should be treated as error or not.
1502ifneq ($(filter %-clang,$($(ARCH)-cc-id)),)
1503    CPPFLAGS		+= 	-Wno-error=deprecated-declarations
1504else
1505    CPPFLAGS		+= 	-Wno-error=deprecated-declarations -Wno-error=cpp
1506endif
1507endif #(!ERROR_DEPRECATED)
1508
1509$(eval $(call MAKE_LIB,c))
1510
1511# Expand build macros for the different images
1512ifeq (${NEED_BL1},yes)
1513BL1_SOURCES := $(sort ${BL1_SOURCES})
1514$(eval $(call MAKE_BL,bl1))
1515endif #(NEED_BL1)
1516
1517ifeq (${NEED_BL2},yes)
1518
1519ifeq (${RESET_TO_BL2}, 0)
1520FIP_BL2_ARGS := tb-fw
1521endif
1522
1523BL2_SOURCES := $(sort ${BL2_SOURCES})
1524
1525$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
1526	$(eval $(call MAKE_BL,bl2,${FIP_BL2_ARGS})))
1527
1528endif #(NEED_BL2)
1529
1530ifeq (${NEED_SCP_BL2},yes)
1531$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw))
1532endif #(NEED_SCP_BL2)
1533
1534ifeq (${NEED_BL31},yes)
1535BL31_SOURCES += ${SPD_SOURCES}
1536# Sort BL31 source files to remove duplicates
1537BL31_SOURCES := $(sort ${BL31_SOURCES})
1538ifneq (${DECRYPTION_SUPPORT},none)
1539$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\
1540	$(eval $(call MAKE_BL,bl31,soc-fw,,$(ENCRYPT_BL31))))
1541else
1542$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
1543	$(eval $(call MAKE_BL,bl31,soc-fw)))
1544endif #(DECRYPTION_SUPPORT)
1545endif #(NEED_BL31)
1546
1547# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
1548# build system will call TOOL_ADD_IMG to print a warning message and abort the
1549# process. Note that the dependency on BL32 applies to the FIP only.
1550ifeq (${NEED_BL32},yes)
1551# Sort BL32 source files to remove duplicates
1552BL32_SOURCES := $(sort ${BL32_SOURCES})
1553BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
1554
1555ifneq (${DECRYPTION_SUPPORT},none)
1556$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw,,$(ENCRYPT_BL32))),\
1557	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32))))
1558else
1559$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw)),\
1560	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
1561endif #(DECRYPTION_SUPPORT)
1562endif #(NEED_BL32)
1563
1564# If RMM image is needed but RMM is not defined, Test Realm Payload (TRP)
1565# needs to be built from RMM_SOURCES.
1566ifeq (${NEED_RMM},yes)
1567# Sort RMM source files to remove duplicates
1568RMM_SOURCES := $(sort ${RMM_SOURCES})
1569BUILD_RMM := $(if $(RMM),,$(if $(RMM_SOURCES),1))
1570
1571$(if ${BUILD_RMM}, $(eval $(call MAKE_BL,rmm,rmm-fw)),\
1572	 $(eval $(call TOOL_ADD_IMG,rmm,--rmm-fw)))
1573endif #(NEED_RMM)
1574
1575# Add the BL33 image if required by the platform
1576ifeq (${NEED_BL33},yes)
1577$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
1578endif #(NEED_BL33)
1579
1580ifeq (${NEED_BL2U},yes)
1581$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\
1582	$(eval $(call MAKE_BL,bl2u,ap-fwu-cfg,FWU_)))
1583endif #(NEED_BL2U)
1584
1585# Expand build macros for the different images
1586ifeq (${NEED_FDT},yes)
1587    $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
1588endif #(NEED_FDT)
1589
1590# Add Secure Partition packages
1591ifeq (${NEED_SP_PKG},yes)
1592$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | $$(@D)/
1593	$(q)${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT} ${SP_DTS_LIST_FRAGMENT}
1594sp: $(DTBS) $(BUILD_PLAT)/sp_gen.mk $(SP_PKGS)
1595	$(s)echo
1596	$(s)echo "Built SP Images successfully"
1597	$(s)echo
1598endif #(NEED_SP_PKG)
1599
1600locate-checkpatch:
1601ifndef CHECKPATCH
1602	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1603else
1604ifeq (,$(wildcard ${CHECKPATCH}))
1605	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1606endif
1607endif #(CHECKPATCH)
1608
1609clean:
1610	$(s)echo "  CLEAN"
1611	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
1612ifdef UNIX_MK
1613	$(q)${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1614else
1615# Clear the MAKEFLAGS as we do not want
1616# to pass the gnumake flags to nmake.
1617	$(q)set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) clean
1618endif #(UNIX_MK)
1619	$(q)${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
1620	$(q)${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean
1621	$(q)${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1622
1623realclean distclean:
1624	$(s)echo "  REALCLEAN"
1625	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
1626	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
1627ifdef UNIX_MK
1628	$(q)${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1629else
1630# Clear the MAKEFLAGS as we do not want
1631# to pass the gnumake flags to nmake.
1632	$(q)set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) realclean
1633endif #(UNIX_MK)
1634	$(q)${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} realclean
1635	$(q)${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean
1636	$(q)${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1637
1638checkcodebase:		locate-checkpatch
1639	$(s)echo "  CHECKING STYLE"
1640	$(q)if test -d .git ; then						\
1641		git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' |	\
1642		while read GIT_FILE ;					\
1643		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
1644		done ;							\
1645	else								\
1646		 find . -type f -not -iwholename "*.git*"		\
1647		 -not -iwholename "*build*"				\
1648		 -not -iwholename "*libfdt*"				\
1649		 -not -iwholename "*libc*"				\
1650		 -not -iwholename "*docs*"				\
1651		 -not -iwholename "*.rst"				\
1652		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
1653	fi
1654
1655checkpatch:		locate-checkpatch
1656	$(s)echo "  CHECKING STYLE"
1657	$(q)if test -n "${CHECKPATCH_OPTS}"; then				\
1658		echo "    with ${CHECKPATCH_OPTS} option(s)";		\
1659	fi
1660	$(q)COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT});	\
1661	for commit in `git rev-list --no-merges $$COMMON_COMMIT..HEAD`;	\
1662	do								\
1663		printf "\n[*] Checking style of '$$commit'\n\n";	\
1664		( git log --format=email "$$commit~..$$commit"		\
1665			-- ${CHECK_PATHS} ;				\
1666		  git diff --format=email "$$commit~..$$commit"		\
1667			-- ${CHECK_PATHS}; ) |				\
1668			${CHECKPATCH}  ${CHECKPATCH_OPTS} - || true;	\
1669	done
1670
1671certtool: ${CRTTOOL}
1672
1673${CRTTOOL}: FORCE
1674	$(q)${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} OPENSSL_DIR=${OPENSSL_DIR} CRTTOOL=${CRTTOOL} DEBUG=${DEBUG} --no-print-directory -C ${CRTTOOLPATH} all
1675	$(s)echo
1676	$(s)echo "Built $@ successfully"
1677	$(s)echo
1678
1679ifneq (${GENERATE_COT},0)
1680certificates: ${CRT_DEPS} ${CRTTOOL}
1681	$(q)${CRTTOOL} ${CRT_ARGS}
1682	$(s)echo
1683	$(s)echo "Built $@ successfully"
1684	$(s)echo "Certificates can be found in ${BUILD_PLAT}"
1685	$(s)echo
1686endif #(GENERATE_COT)
1687
1688${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
1689	$(eval ${CHECK_FIP_CMD})
1690	$(q)${FIPTOOL} create ${FIP_ARGS} $@
1691	$(q)${FIPTOOL} info $@
1692	$(s)echo
1693	$(s)echo "Built $@ successfully"
1694	$(s)echo
1695
1696ifneq (${GENERATE_COT},0)
1697fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
1698	$(q)${CRTTOOL} ${FWU_CRT_ARGS}
1699	$(s)echo
1700	$(s)echo "Built $@ successfully"
1701	$(s)echo "FWU certificates can be found in ${BUILD_PLAT}"
1702	$(s)echo
1703endif #(GENERATE_COT)
1704
1705${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
1706	$(eval ${CHECK_FWU_FIP_CMD})
1707	$(q)${FIPTOOL} create ${FWU_FIP_ARGS} $@
1708	$(q)${FIPTOOL} info $@
1709	$(s)echo
1710	$(s)echo "Built $@ successfully"
1711	$(s)echo
1712
1713fiptool: ${FIPTOOL}
1714fip: ${BUILD_PLAT}/${FIP_NAME}
1715fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
1716
1717${FIPTOOL}: FORCE
1718ifdef UNIX_MK
1719	$(q)${MAKE} PLAT=${PLAT} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} OPENSSL_DIR=${OPENSSL_DIR} DEBUG=${DEBUG} --no-print-directory -C ${FIPTOOLPATH} all
1720else
1721# Clear the MAKEFLAGS as we do not want
1722# to pass the gnumake flags to nmake.
1723	$(q)set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL))
1724endif #(UNIX_MK)
1725
1726romlib.bin: libraries FORCE
1727	$(q)${MAKE} PLAT_DIR=${PLAT_DIR} BUILD_PLAT=${BUILD_PLAT} ENABLE_BTI=${ENABLE_BTI} ARM_ARCH_MINOR=${ARM_ARCH_MINOR} INCLUDES=$(call escape-shell,$(INCLUDES)) DEFINES=$(call escape-shell,$(DEFINES)) --no-print-directory -C ${ROMLIBPATH} all
1728
1729memmap: all
1730ifdef UNIX_MK
1731	$(q)PYTHONPATH=${CURDIR}/tools/memory \
1732		${PYTHON} -m memory.memmap -sr ${BUILD_PLAT}
1733else
1734	$(q)set PYTHONPATH=${CURDIR}/tools/memory && \
1735		${PYTHON} -m memory.memmap -sr ${BUILD_PLAT}
1736endif
1737
1738tl: ${BUILD_PLAT}/tl.bin
1739${BUILD_PLAT}/tl.bin: ${HW_CONFIG}
1740	$(if $(host-poetry),$(q)poetry -q install)
1741	$(q)$(if $(host-poetry),poetry run )tlc create --fdt $< -s ${FW_HANDOFF_SIZE} $@
1742
1743doc:
1744	$(s)echo "  BUILD DOCUMENTATION"
1745	$(q)${MAKE} --no-print-directory -C ${DOCS_PATH} html
1746
1747enctool: ${ENCTOOL}
1748
1749${ENCTOOL}: FORCE
1750	$(q)${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} DEBUG=${DEBUG} --no-print-directory -C ${ENCTOOLPATH} all
1751	$(s)echo
1752	$(s)echo "Built $@ successfully"
1753	$(s)echo
1754
1755cscope:
1756	$(s)echo "  CSCOPE"
1757	$(q)find ${CURDIR} -name "*.[chsS]" > cscope.files
1758	$(q)cscope -b -q -k
1759
1760help:
1761	$(s)echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]"
1762	$(s)echo ""
1763	$(s)echo "PLAT is used to specify which platform you wish to build."
1764	$(s)echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
1765	$(s)echo ""
1766	$(s)echo "platform = ${PLATFORM_LIST}"
1767	$(s)echo ""
1768	$(s)echo "Please refer to the User Guide for a list of all supported options."
1769	$(s)echo "Note that the build system doesn't track dependencies for build "
1770	$(s)echo "options. Therefore, if any of the build options are changed "
1771	$(s)echo "from a previous build, a clean build must be performed."
1772	$(s)echo ""
1773	$(s)echo "Supported Targets:"
1774	$(s)echo "  all            Build all individual bootloader binaries"
1775	$(s)echo "  bl1            Build the BL1 binary"
1776	$(s)echo "  bl2            Build the BL2 binary"
1777	$(s)echo "  bl2u           Build the BL2U binary"
1778	$(s)echo "  bl31           Build the BL31 binary"
1779	$(s)echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
1780	$(s)echo "                 this builds secure payload specified by AARCH32_SP"
1781	$(s)echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
1782	$(s)echo "  fip            Build the Firmware Image Package (FIP)"
1783	$(s)echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
1784	$(s)echo "  checkcodebase  Check the coding style of the entire source tree"
1785	$(s)echo "  checkpatch     Check the coding style on changes in the current"
1786	$(s)echo "                 branch against BASE_COMMIT (default origin/master)"
1787	$(s)echo "  clean          Clean the build for the selected platform"
1788	$(s)echo "  cscope         Generate cscope index"
1789	$(s)echo "  distclean      Remove all build artifacts for all platforms"
1790	$(s)echo "  certtool       Build the Certificate generation tool"
1791	$(s)echo "  enctool        Build the Firmware encryption tool"
1792	$(s)echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
1793	$(s)echo "  sp             Build the Secure Partition Packages"
1794	$(s)echo "  sptool         Build the Secure Partition Package creation tool"
1795	$(s)echo "  dtbs           Build the Device Tree Blobs (if required for the platform)"
1796	$(s)echo "  memmap         Print the memory map of the built binaries"
1797	$(s)echo "  doc            Build html based documentation using Sphinx tool"
1798	$(s)echo ""
1799	$(s)echo "Note: most build targets require PLAT to be set to a specific platform."
1800	$(s)echo ""
1801	$(s)echo "example: build all targets for the FVP platform:"
1802	$(s)echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
1803
1804.PHONY: FORCE
1805FORCE:;
1806