xref: /rk3399_ARM-atf/Makefile (revision f661c74b528f3aee6f30a28a82e8c76ab26f35f7)
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
35
36################################################################################
37# Configure the toolchains used to build TF-A and its tools
38################################################################################
39
40include ${MAKE_HELPERS_DIRECTORY}toolchain.mk
41
42# Assertions enabled for DEBUG builds by default
43ENABLE_ASSERTIONS		:= ${DEBUG}
44ENABLE_PMF			:= ${ENABLE_RUNTIME_INSTRUMENTATION}
45PLAT				:= ${DEFAULT_PLAT}
46
47################################################################################
48# Checkpatch script options
49################################################################################
50
51CHECKCODE_ARGS		:=	--no-patch
52# Do not check the coding style on imported library files or documentation files
53INC_DRV_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
54					include/drivers/arm,		\
55					$(wildcard include/drivers/*)))
56INC_LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
57					include/lib/libfdt		\
58					include/lib/libc,		\
59					$(wildcard include/lib/*)))
60INC_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
61					include/lib			\
62					include/drivers,		\
63					$(wildcard include/*)))
64LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
65					lib/compiler-rt			\
66					lib/libfdt%			\
67					lib/libc,			\
68					lib/zlib			\
69					$(wildcard lib/*)))
70ROOT_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
71					lib				\
72					include				\
73					docs				\
74					%.rst,				\
75					$(wildcard *)))
76CHECK_PATHS		:=	${ROOT_DIRS_TO_CHECK}			\
77				${INC_DIRS_TO_CHECK}			\
78				${INC_LIB_DIRS_TO_CHECK}		\
79				${LIB_DIRS_TO_CHECK}			\
80				${INC_DRV_DIRS_TO_CHECK}		\
81				${INC_ARM_DIRS_TO_CHECK}
82
83################################################################################
84# Process build options
85################################################################################
86
87ifeq ($(verbose),)
88	CHECKCODE_ARGS	+=	--no-summary --terse
89endif
90
91################################################################################
92# Auxiliary tools (fiptool, cert_create, etc)
93################################################################################
94
95# Variables for use with Certificate Generation Tool
96CRTTOOLPATH		?=	tools/cert_create
97CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
98
99# Variables for use with Firmware Encryption Tool
100ENCTOOLPATH		?=	tools/encrypt_fw
101ENCTOOL			?=	${ENCTOOLPATH}/encrypt_fw${BIN_EXT}
102
103# Variables for use with Firmware Image Package
104FIPTOOLPATH		?=	tools/fiptool
105FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
106
107# Variables for use with sptool
108SPTOOLPATH		?=	tools/sptool
109SPTOOL			?=	${SPTOOLPATH}/sptool.py
110SP_MK_GEN		?=	${SPTOOLPATH}/sp_mk_generator.py
111SP_DTS_LIST_FRAGMENT	?=	${BUILD_PLAT}/sp_list_fragment.dts
112
113# Variables for use with ROMLIB
114ROMLIBPATH		?=	lib/romlib
115
116# Variable for use with Python
117PYTHON			?=	python3
118
119# Variables for use with documentation build using Sphinx tool
120DOCS_PATH		?=	docs
121
122################################################################################
123# Compiler Configuration based on ARCH_MAJOR and ARCH_MINOR flags
124################################################################################
125ifeq (${ARM_ARCH_MAJOR},7)
126	target32-directive	= 	-target arm-none-eabi
127# Will set march-directive from platform configuration
128else
129	target32-directive	= 	-target armv8a-none-eabi
130endif #(ARM_ARCH_MAJOR)
131
132################################################################################
133# Get Architecture Feature Modifiers
134################################################################################
135arch-features		=	${ARM_ARCH_FEATURE}
136
137ifneq ($(filter %-clang,$($(ARCH)-cc-id)),)
138	ifeq ($($(ARCH)-cc-id),arm-clang)
139		TF_CFLAGS_aarch32	:=	-target arm-arm-none-eabi
140		TF_CFLAGS_aarch64	:=	-target aarch64-arm-none-eabi
141	else
142		TF_CFLAGS_aarch32	=	$(target32-directive)
143		TF_CFLAGS_aarch64	:=	-target aarch64-elf
144	endif
145
146else ifeq ($($(ARCH)-cc-id),gnu-gcc)
147	# Enable LTO only for aarch64
148	ifeq (${ARCH},aarch64)
149		LTO_CFLAGS	=	$(if $(filter-out 0,$(ENABLE_LTO)),-flto)
150	endif
151endif #(clang)
152
153# Process Debug flag
154$(eval $(call add_define,DEBUG))
155ifneq (${DEBUG}, 0)
156	BUILD_TYPE	:=	debug
157	TF_CFLAGS	+=	-g -gdwarf-4
158	ASFLAGS		+=	-g -Wa,-gdwarf-4
159
160	# Use LOG_LEVEL_INFO by default for debug builds
161	LOG_LEVEL	:=	40
162else
163	BUILD_TYPE	:=	release
164	# Use LOG_LEVEL_NOTICE by default for release builds
165	LOG_LEVEL	:=	20
166endif #(Debug)
167
168# Default build string (git branch and commit)
169ifeq (${BUILD_STRING},)
170	BUILD_STRING  :=  $(shell git describe --always --dirty --tags 2> /dev/null)
171endif
172VERSION_STRING    :=  v${VERSION}(${BUILD_TYPE}):${BUILD_STRING}
173
174ifeq (${AARCH32_INSTRUCTION_SET},A32)
175	TF_CFLAGS_aarch32	+=	-marm
176else ifeq (${AARCH32_INSTRUCTION_SET},T32)
177	TF_CFLAGS_aarch32	+=	-mthumb
178else
179        $(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET})
180endif #(AARCH32_INSTRUCTION_SET)
181
182TF_CFLAGS_aarch32	+=	-mno-unaligned-access
183TF_CFLAGS_aarch64	+=	-mgeneral-regs-only -mstrict-align
184
185##############################################################################
186# WARNINGS Configuration
187###############################################################################
188# General warnings
189WARNINGS		:=	-Wall -Wmissing-include-dirs -Wunused	\
190				-Wdisabled-optimization -Wvla -Wshadow	\
191				-Wredundant-decls
192# stricter warnings
193WARNINGS		+=	-Wextra -Wno-trigraphs
194# too verbose for generic build
195WARNINGS		+=	-Wno-missing-field-initializers \
196				-Wno-type-limits -Wno-sign-compare \
197# on clang this flag gets reset if -Wextra is set after it. No difference on gcc
198WARNINGS		+=	-Wno-unused-parameter
199
200# Additional warnings
201# Level 1 - infrequent warnings we should have none of
202# full -Wextra
203WARNING1 += -Wsign-compare
204WARNING1 += -Wtype-limits
205WARNING1 += -Wmissing-field-initializers
206
207# Level 2 - problematic warnings that we want
208# zlib, compiler-rt, coreboot, and mbdedtls blow up with these
209# TODO: disable just for them and move into default build
210WARNING2 += -Wold-style-definition
211WARNING2 += -Wmissing-prototypes
212WARNING2 += -Wmissing-format-attribute
213# TF-A aims to comply with this eventually. Effort too large at present
214WARNING2 += -Wundef
215# currently very involved and many platforms set this off
216WARNING2 += -Wunused-const-variable=2
217
218# Level 3 - very pedantic, frequently ignored
219WARNING3 := -Wbad-function-cast
220WARNING3 += -Waggregate-return
221WARNING3 += -Wnested-externs
222WARNING3 += -Wcast-align
223WARNING3 += -Wcast-qual
224WARNING3 += -Wconversion
225WARNING3 += -Wpacked
226WARNING3 += -Wpointer-arith
227WARNING3 += -Wswitch-default
228
229# Setting W is quite verbose and most warnings will be pre-existing issues
230# outside of the contributor's control. Don't fail the build on them so warnings
231# can be seen and hopefully addressed
232ifdef W
233	ifneq (${W},0)
234		E	 ?= 0
235	endif
236endif
237
238ifeq (${W},1)
239	WARNINGS += $(WARNING1)
240else ifeq (${W},2)
241	WARNINGS += $(WARNING1) $(WARNING2)
242else ifeq (${W},3)
243	WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3)
244endif #(W)
245
246# Compiler specific warnings
247ifeq ($(filter %-clang,$($(ARCH)-cc-id)),)
248# not using clang
249WARNINGS	+=		-Wunused-but-set-variable -Wmaybe-uninitialized	\
250				-Wpacked-bitfield-compat -Wshift-overflow=2 \
251				-Wlogical-op
252
253# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105523
254TF_CFLAGS		+= 	$(call cc_option, --param=min-pagesize=0)
255
256ifeq ($(HARDEN_SLS), 1)
257        TF_CFLAGS_aarch64       +=      $(call cc_option, -mharden-sls=all)
258endif
259
260else
261# using clang
262WARNINGS	+=		-Wshift-overflow -Wshift-sign-overflow \
263				-Wlogical-op-parentheses
264endif #(Clang Warning)
265
266ifneq (${E},0)
267	ERRORS := -Werror
268endif #(E)
269
270################################################################################
271# Compiler and Linker Directives
272################################################################################
273CPPFLAGS		=	${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc	\
274				$(ERRORS) $(WARNINGS)
275ASFLAGS			+=	$(CPPFLAGS)                 			\
276				-ffreestanding -Wa,--fatal-warnings
277TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
278				-ffunction-sections -fdata-sections		\
279				-ffreestanding -fno-builtin -fno-common		\
280				-Os -std=gnu99
281
282ifeq (${SANITIZE_UB},on)
283	TF_CFLAGS	+=	-fsanitize=undefined -fno-sanitize-recover
284endif #(${SANITIZE_UB},on)
285
286ifeq (${SANITIZE_UB},trap)
287	TF_CFLAGS	+=	-fsanitize=undefined -fno-sanitize-recover	\
288				-fsanitize-undefined-trap-on-error
289endif #(${SANITIZE_UB},trap)
290
291GCC_V_OUTPUT		:=	$(if $($(ARCH)-cc),$(shell $($(ARCH)-cc) -v 2>&1))
292
293TF_LDFLAGS		+=	-z noexecstack
294
295# LD = armlink
296ifeq ($($(ARCH)-ld-id),arm-link)
297	TF_LDFLAGS		+=	--diag_error=warning --lto_level=O1
298	TF_LDFLAGS		+=	--remove --info=unused,unusedsymbols
299	TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
300
301# LD = gcc (used when GCC LTO is enabled)
302else ifeq ($($(ARCH)-ld-id),gnu-gcc)
303	# Pass ld options with Wl or Xlinker switches
304	TF_LDFLAGS		+=	$(call ld_option,-Xlinker --no-warn-rwx-segments)
305	TF_LDFLAGS		+=	-Wl,--fatal-warnings -O1
306	TF_LDFLAGS		+=	-Wl,--gc-sections
307
308	TF_LDFLAGS		+=	-Wl,-z,common-page-size=4096 #Configure page size constants
309	TF_LDFLAGS		+=	-Wl,-z,max-page-size=4096
310	TF_LDFLAGS		+=	-Wl,--build-id=none
311
312	ifeq ($(ENABLE_LTO),1)
313		ifeq (${ARCH},aarch64)
314			TF_LDFLAGS	+=	-flto -fuse-linker-plugin
315			TF_LDFLAGS      +=	-flto-partition=one
316		endif
317	endif #(ENABLE_LTO)
318
319# GCC automatically adds fix-cortex-a53-843419 flag when used to link
320# which breaks some builds, so disable if errata fix is not explicitly enabled
321	ifeq (${ARCH},aarch64)
322		ifneq (${ERRATA_A53_843419},1)
323			TF_LDFLAGS	+= 	-mno-fix-cortex-a53-843419
324		endif
325	endif
326	TF_LDFLAGS		+= 	-nostdlib
327	TF_LDFLAGS		+=	$(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH)))
328
329# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other
330else
331# With ld.bfd version 2.39 and newer new warnings are added. Skip those since we
332# are not loaded by a elf loader.
333	TF_LDFLAGS		+=	$(call ld_option, --no-warn-rwx-segments)
334	TF_LDFLAGS		+=	-O1
335	TF_LDFLAGS		+=	--gc-sections
336
337	TF_LDFLAGS		+=	-z common-page-size=4096 # Configure page size constants
338	TF_LDFLAGS		+=	-z max-page-size=4096
339	TF_LDFLAGS		+=	--build-id=none
340
341# ld.lld doesn't recognize the errata flags,
342# therefore don't add those in that case.
343# ld.lld reports section type mismatch warnings,
344# therefore don't add --fatal-warnings to it.
345	ifneq ($($(ARCH)-ld-id),llvm-lld)
346		TF_LDFLAGS	+=	$(TF_LDFLAGS_$(ARCH)) --fatal-warnings
347	endif
348
349endif #(LD = armlink)
350
351################################################################################
352# Setup ARCH_MAJOR/MINOR before parsing arch_features.
353################################################################################
354ifeq (${ENABLE_RME},1)
355	ARM_ARCH_MAJOR := 9
356	ARM_ARCH_MINOR := 2
357endif
358
359################################################################################
360# Common sources and include directories
361################################################################################
362include lib/compiler-rt/compiler-rt.mk
363
364# Allow overriding the timestamp, for example for reproducible builds, or to
365# synchronize timestamps across multiple projects.
366# This must be set to a C string (including quotes where applicable).
367BUILD_MESSAGE_TIMESTAMP ?= __TIME__", "__DATE__
368
369DEFINES += -DBUILD_MESSAGE_TIMESTAMP='$(BUILD_MESSAGE_TIMESTAMP)'
370DEFINES += -DBUILD_MESSAGE_VERSION_STRING='"$(VERSION_STRING)"'
371DEFINES += -DBUILD_MESSAGE_VERSION='"$(VERSION)"'
372
373BL_COMMON_SOURCES	+=	common/bl_common.c			\
374				common/tf_log.c				\
375				common/${ARCH}/debug.S			\
376				drivers/console/multi_console.c		\
377				lib/${ARCH}/cache_helpers.S		\
378				lib/${ARCH}/misc_helpers.S		\
379				lib/extensions/pmuv3/${ARCH}/pmuv3.c	\
380				plat/common/plat_bl_common.c		\
381				plat/common/plat_log_common.c		\
382				plat/common/${ARCH}/plat_common.c	\
383				plat/common/${ARCH}/platform_helpers.S	\
384				${COMPILER_RT_SRCS}
385
386ifeq ($($(ARCH)-cc-id),arm-clang)
387	BL_COMMON_SOURCES	+=	lib/${ARCH}/armclang_printf.S
388endif
389
390ifeq (${SANITIZE_UB},on)
391	BL_COMMON_SOURCES	+=	plat/common/ubsan.c
392endif
393
394INCLUDES		+=	-Iinclude				\
395				-Iinclude/arch/${ARCH}			\
396				-Iinclude/lib/cpus/${ARCH}		\
397				-Iinclude/lib/el3_runtime/${ARCH}	\
398				${PLAT_INCLUDES}			\
399				${SPD_INCLUDES}
400
401DTC_FLAGS		+=	-I dts -O dtb
402DTC_CPPFLAGS		+=	-P -nostdinc $(INCLUDES) -Ifdts -undef \
403				-x assembler-with-cpp $(DEFINES)
404
405include common/backtrace/backtrace.mk
406
407################################################################################
408# Generic definitions
409################################################################################
410include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
411
412ifeq (${BUILD_BASE},)
413     BUILD_BASE		:=	./build
414endif
415BUILD_PLAT		:=	$(abspath ${BUILD_BASE})/${PLAT}/${BUILD_TYPE}
416
417SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
418
419# Platforms providing their own TBB makefile may override this value
420INCLUDE_TBBR_MK		:=	1
421
422################################################################################
423# Include SPD Makefile if one has been specified
424################################################################################
425
426ifneq (${SPD},none)
427	ifeq (${ARCH},aarch32)
428                $(error "Error: SPD is incompatible with AArch32.")
429	endif
430
431	ifdef EL3_PAYLOAD_BASE
432                $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
433                $(warning "The SPD and its BL32 companion will be present but \
434                ignored.")
435	endif
436
437	ifeq (${SPD},spmd)
438	# SPMD is located in std_svc directory
439		SPD_DIR := std_svc
440
441		ifeq ($(SPMD_SPM_AT_SEL2),1)
442			CTX_INCLUDE_EL2_REGS := 1
443			ifeq ($(SPMC_AT_EL3),1)
444                                $(error SPM cannot be enabled in both S-EL2 and EL3.)
445			endif
446			ifeq ($(CTX_INCLUDE_SVE_REGS),1)
447                                $(error SVE context management not needed with Hafnium SPMC.)
448			endif
449		endif
450
451		ifeq ($(findstring optee_sp,$(ARM_SPMC_MANIFEST_DTS)),optee_sp)
452			DTC_CPPFLAGS	+=	-DOPTEE_SP_FW_CONFIG
453		endif
454
455		ifeq ($(findstring trusty_sp,$(ARM_SPMC_MANIFEST_DTS)),trusty_sp)
456			DTC_CPPFLAGS	+=	-DTRUSTY_SP_FW_CONFIG
457		endif
458
459		ifeq ($(TS_SP_FW_CONFIG),1)
460			DTC_CPPFLAGS	+=	-DTS_SP_FW_CONFIG
461		endif
462
463		ifneq ($(ARM_BL2_SP_LIST_DTS),)
464		DTC_CPPFLAGS += -DARM_BL2_SP_LIST_DTS=$(ARM_BL2_SP_LIST_DTS)
465		endif
466
467		ifneq ($(SP_LAYOUT_FILE),)
468		BL2_ENABLE_SP_LOAD := 1
469		endif
470
471		ifeq ($(SPMC_AT_EL3_SEL0_SP),1)
472			ifneq ($(SPMC_AT_EL3),1)
473			$(error SEL0 SP cannot be enabled without SPMC at EL3)
474			endif
475		endif
476	else
477		# All other SPDs in spd directory
478		SPD_DIR := spd
479	endif #(SPD)
480
481	# We expect to locate an spd.mk under the specified SPD directory
482	SPD_MAKE	:=	$(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk)
483
484	ifeq (${SPD_MAKE},)
485                $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located)
486	endif
487        $(info Including ${SPD_MAKE})
488        include ${SPD_MAKE}
489
490	# If there's BL32 companion for the chosen SPD, we expect that the SPD's
491	# Makefile would set NEED_BL32 to "yes". In this case, the build system
492	# supports two mutually exclusive options:
493	# * BL32 is built from source: then BL32_SOURCES must contain the list
494	#   of source files to build BL32
495	# * BL32 is a prebuilt binary: then BL32 must point to the image file
496	#   that will be included in the FIP
497	# If both BL32_SOURCES and BL32 are defined, the binary takes precedence
498	# over the sources.
499endif #(SPD=none)
500
501ifeq (${ENABLE_SPMD_LP}, 1)
502ifneq (${SPD},spmd)
503        $(error Error: ENABLE_SPMD_LP requires SPD=spmd.)
504endif
505ifeq ($(SPMC_AT_EL3),1)
506        $(error SPMC at EL3 not supported when enabling SPMD Logical partitions.)
507endif
508endif
509
510################################################################################
511# Process BRANCH_PROTECTION value and set
512# Pointer Authentication and Branch Target Identification flags
513################################################################################
514ifeq (${BRANCH_PROTECTION},0)
515	# Default value turns off all types of branch protection
516	BP_OPTION := none
517else ifneq (${ARCH},aarch64)
518        $(error BRANCH_PROTECTION requires AArch64)
519else ifeq (${BRANCH_PROTECTION},1)
520	# Enables all types of branch protection features
521	BP_OPTION := standard
522	ENABLE_BTI := 1
523	ENABLE_PAUTH := 1
524else ifeq (${BRANCH_PROTECTION},2)
525	# Return address signing to its standard level
526	BP_OPTION := pac-ret
527	ENABLE_PAUTH := 1
528else ifeq (${BRANCH_PROTECTION},3)
529	# Extend the signing to include leaf functions
530	BP_OPTION := pac-ret+leaf
531	ENABLE_PAUTH := 1
532else ifeq (${BRANCH_PROTECTION},4)
533	# Turn on branch target identification mechanism
534	BP_OPTION := bti
535	ENABLE_BTI := 1
536else
537        $(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION})
538endif #(BRANCH_PROTECTION)
539
540ifeq ($(ENABLE_PAUTH),1)
541	CTX_INCLUDE_PAUTH_REGS := 1
542endif
543ifneq (${BP_OPTION},none)
544	TF_CFLAGS_aarch64	+=	-mbranch-protection=${BP_OPTION}
545endif #(BP_OPTION)
546
547# Pointer Authentication sources
548ifeq (${ENABLE_PAUTH}, 1)
549# arm/common/aarch64/arm_pauth.c contains a sample platform hook to complete the
550# Pauth support. As it's not secure, it must be reimplemented for real platforms
551	BL_COMMON_SOURCES	+=	lib/extensions/pauth/pauth_helpers.S
552endif
553
554################################################################################
555# Include the platform specific Makefile after the SPD Makefile (the platform
556# makefile may use all previous definitions in this file)
557################################################################################
558include ${PLAT_MAKEFILE_FULL}
559
560################################################################################
561# Setup arch_features based on ARM_ARCH_MAJOR, ARM_ARCH_MINOR provided from
562# platform.
563################################################################################
564include ${MAKE_HELPERS_DIRECTORY}arch_features.mk
565
566####################################################
567# Enable required options for Memory Stack Tagging.
568####################################################
569
570# Currently, these options are enabled only for clang and armclang compiler.
571ifeq (${SUPPORT_STACK_MEMTAG},yes)
572    ifdef mem_tag_arch_support
573        # Check for armclang and clang compilers
574        ifneq ($(filter %-clang,$($(ARCH)-cc-id)),)
575        # Add "memtag" architecture feature modifier if not specified
576            ifeq ( ,$(findstring memtag,$(arch-features)))
577                arch-features	:=	$(arch-features)+memtag
578            endif	# memtag
579            ifeq ($($(ARCH)-cc-id),arm-clang)
580                TF_CFLAGS	+=	-mmemtag-stack
581            else ifeq ($($(ARCH)-cc-id),llvm-clang)
582                TF_CFLAGS	+=	-fsanitize=memtag
583            endif	# armclang
584        endif
585    else
586        $(error "Error: stack memory tagging is not supported for  \
587        architecture ${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a")
588	endif #(mem_tag_arch_support)
589endif #(SUPPORT_STACK_MEMTAG)
590
591################################################################################
592# RME dependent flags configuration, Enable optional features for RME.
593################################################################################
594# FEAT_RME
595ifeq (${ENABLE_RME},1)
596	# RME doesn't support BRBE
597	ENABLE_BRBE_FOR_NS := 0
598
599	# RME doesn't support PIE
600	ifneq (${ENABLE_PIE},0)
601                $(error ENABLE_RME does not support PIE)
602	endif
603
604	# RME doesn't support BRBE
605	ifneq (${ENABLE_BRBE_FOR_NS},0)
606                $(error ENABLE_RME does not support BRBE.)
607	endif
608
609	# RME requires AARCH64
610	ifneq (${ARCH},aarch64)
611                $(error ENABLE_RME requires AArch64)
612	endif
613
614	# RME requires el2 context to be saved for now.
615	CTX_INCLUDE_EL2_REGS := 1
616	CTX_INCLUDE_AARCH32_REGS := 0
617	CTX_INCLUDE_PAUTH_REGS := 1
618
619	# RME enables CSV2_2 extension by default.
620	ENABLE_FEAT_CSV2_2 = 1
621endif #(FEAT_RME)
622
623################################################################################
624# Include rmmd Makefile if RME is enabled
625################################################################################
626ifneq (${ENABLE_RME},0)
627	ifneq (${ARCH},aarch64)
628                $(error ENABLE_RME requires AArch64)
629	endif
630	ifeq ($(SPMC_AT_EL3),1)
631                $(error SPMC_AT_EL3 and ENABLE_RME cannot both be enabled.)
632	endif
633
634	ifneq (${SPD}, none)
635		ifneq (${SPD}, spmd)
636                        $(error ENABLE_RME is incompatible with SPD=${SPD}. Use SPD=spmd)
637		endif
638	endif
639include services/std_svc/rmmd/rmmd.mk
640$(warning "RME is an experimental feature")
641endif
642
643ifeq (${CTX_INCLUDE_EL2_REGS}, 1)
644	ifeq (${SPD},none)
645		ifeq (${ENABLE_RME},0)
646                        $(error CTX_INCLUDE_EL2_REGS is available only when SPD \
647                        or RME is enabled)
648		endif
649	endif
650endif
651
652################################################################################
653# Platform specific Makefile might provide us ARCH_MAJOR/MINOR use that to come
654# up with appropriate march values for compiler.
655################################################################################
656include ${MAKE_HELPERS_DIRECTORY}march.mk
657
658TF_CFLAGS   +=	$(march-directive)
659ASFLAGS		+=	$(march-directive)
660
661# This internal flag is common option which is set to 1 for scenarios
662# when the BL2 is running in EL3 level. This occurs in two scenarios -
663# 4 world system running BL2 at EL3 and two world system without BL1 running
664# BL2 in EL3
665
666ifeq (${RESET_TO_BL2},1)
667	BL2_RUNS_AT_EL3	:=	1
668	ifeq (${ENABLE_RME},1)
669                $(error RESET_TO_BL2=1 and ENABLE_RME=1 configuration is not \
670                supported at the moment.)
671	endif
672else ifeq (${ENABLE_RME},1)
673	BL2_RUNS_AT_EL3	:=	1
674else
675	BL2_RUNS_AT_EL3	:=	0
676endif
677
678# This internal flag is set to 1 when Firmware First handling of External aborts
679# is required by lowe ELs. Currently only NS requires this support.
680ifeq ($(HANDLE_EA_EL3_FIRST_NS),1)
681	FFH_SUPPORT := 1
682else
683	FFH_SUPPORT := 0
684endif
685
686ifeq (${ARM_ARCH_MAJOR},7)
687include make_helpers/armv7-a-cpus.mk
688endif
689
690PIE_FOUND		:=	$(findstring --enable-default-pie,${GCC_V_OUTPUT})
691ifneq ($(PIE_FOUND),)
692	TF_CFLAGS	+=	-fno-PIE
693ifeq ($($(ARCH)-ld-id),gnu-gcc)
694	TF_LDFLAGS	+=	-no-pie
695endif
696endif #(PIE_FOUND)
697
698ifeq ($($(ARCH)-ld-id),gnu-gcc)
699	PIE_LDFLAGS	+=	-Wl,-pie -Wl,--no-dynamic-linker
700else
701	PIE_LDFLAGS	+=	-pie --no-dynamic-linker
702endif
703
704ifeq ($(ENABLE_PIE),1)
705	ifeq ($(RESET_TO_BL2),1)
706		ifneq ($(BL2_IN_XIP_MEM),1)
707			BL2_CPPFLAGS	+=	-fpie
708			BL2_CFLAGS	+=	-fpie
709			BL2_LDFLAGS	+=	$(PIE_LDFLAGS)
710		endif #(BL2_IN_XIP_MEM)
711	endif #(RESET_TO_BL2)
712	BL31_CPPFLAGS	+=	-fpie
713	BL31_CFLAGS 	+=	-fpie
714	BL31_LDFLAGS	+=	$(PIE_LDFLAGS)
715
716	BL32_CPPFLAGS	+=	-fpie
717	BL32_CFLAGS	+=	-fpie
718	BL32_LDFLAGS	+=	$(PIE_LDFLAGS)
719endif #(ENABLE_PIE)
720
721BL1_CPPFLAGS  += -DREPORT_ERRATA=${DEBUG}
722BL31_CPPFLAGS += -DREPORT_ERRATA=${DEBUG}
723BL32_CPPFLAGS += -DREPORT_ERRATA=${DEBUG}
724
725BL1_CPPFLAGS += -DIMAGE_AT_EL3
726ifeq ($(RESET_TO_BL2),1)
727	BL2_CPPFLAGS += -DIMAGE_AT_EL3
728else
729	BL2_CPPFLAGS += -DIMAGE_AT_EL1
730endif #(RESET_TO_BL2)
731
732ifeq (${ARCH},aarch64)
733	BL2U_CPPFLAGS += -DIMAGE_AT_EL1
734	BL31_CPPFLAGS += -DIMAGE_AT_EL3
735	BL32_CPPFLAGS += -DIMAGE_AT_EL1
736else
737	BL32_CPPFLAGS += -DIMAGE_AT_EL3
738endif
739
740# Include the CPU specific operations makefile, which provides default
741# values for all CPU errata workarounds and CPU specific optimisations.
742# This can be overridden by the platform.
743include lib/cpus/cpu-ops.mk
744
745################################################################################
746# Build `AARCH32_SP` as BL32 image for AArch32
747################################################################################
748ifeq (${ARCH},aarch32)
749        NEED_BL32 := yes
750
751        ifneq (${AARCH32_SP},none)
752        # We expect to locate an sp.mk under the specified AARCH32_SP directory
753		AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
754
755                ifeq (${AARCH32_SP_MAKE},)
756                        $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
757                endif
758                $(info Including ${AARCH32_SP_MAKE})
759                include ${AARCH32_SP_MAKE}
760        endif
761endif #(ARCH=aarch32)
762
763################################################################################
764# Include libc if not overridden
765################################################################################
766ifeq (${OVERRIDE_LIBC},0)
767include lib/libc/libc.mk
768endif
769
770################################################################################
771# Check incompatible options and dependencies
772################################################################################
773
774# USE_DEBUGFS experimental feature recommended only in debug builds
775ifeq (${USE_DEBUGFS},1)
776        ifeq (${DEBUG},1)
777                $(warning DEBUGFS experimental feature is enabled.)
778        else
779                $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY)
780        endif
781endif #(USE_DEBUGFS)
782
783# USE_SPINLOCK_CAS requires AArch64 build
784ifeq (${USE_SPINLOCK_CAS},1)
785        ifneq (${ARCH},aarch64)
786               $(error USE_SPINLOCK_CAS requires AArch64)
787        endif
788endif #(USE_SPINLOCK_CAS)
789
790# The cert_create tool cannot generate certificates individually, so we use the
791# target 'certificates' to create them all
792ifneq (${GENERATE_COT},0)
793        FIP_DEPS += certificates
794        FWU_FIP_DEPS += fwu_certificates
795endif
796
797ifneq (${DECRYPTION_SUPPORT},none)
798	ENC_ARGS += -f ${FW_ENC_STATUS}
799	ENC_ARGS += -k ${ENC_KEY}
800	ENC_ARGS += -n ${ENC_NONCE}
801	FIP_DEPS += enctool
802	FWU_FIP_DEPS += enctool
803endif #(DECRYPTION_SUPPORT)
804
805ifdef EL3_PAYLOAD_BASE
806	ifdef PRELOADED_BL33_BASE
807                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
808		incompatible build options. EL3_PAYLOAD_BASE has priority.")
809	endif
810	ifneq (${GENERATE_COT},0)
811                $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible \
812                build options.")
813	endif
814	ifneq (${TRUSTED_BOARD_BOOT},0)
815                $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are \
816                incompatible \ build options.")
817	endif
818endif #(EL3_PAYLOAD_BASE)
819
820ifeq (${NEED_BL33},yes)
821	ifdef EL3_PAYLOAD_BASE
822                $(warning "BL33 image is not needed when option \
823                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
824	endif
825	ifdef PRELOADED_BL33_BASE
826                $(warning "BL33 image is not needed when option \
827                PRELOADED_BL33_BASE is used and won't be added to the FIP file.")
828	endif
829endif #(NEED_BL33)
830
831# When building for systems with hardware-assisted coherency, there's no need to
832# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
833ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
834        $(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
835endif
836
837#For now, BL2_IN_XIP_MEM is only supported when RESET_TO_BL2 is 1.
838ifeq ($(RESET_TO_BL2)-$(BL2_IN_XIP_MEM),0-1)
839        $(error "BL2_IN_XIP_MEM is only supported when RESET_TO_BL2 is enabled")
840endif
841
842# RAS_EXTENSION is deprecated, provide alternate build options
843ifeq ($(RAS_EXTENSION),1)
844        $(error "RAS_EXTENSION is now deprecated, please use ENABLE_FEAT_RAS \
845        and HANDLE_EA_EL3_FIRST_NS instead")
846endif
847
848
849# When FAULT_INJECTION_SUPPORT is used, require that FEAT_RAS is enabled
850ifeq ($(FAULT_INJECTION_SUPPORT),1)
851	ifeq ($(ENABLE_FEAT_RAS),0)
852                $(error For FAULT_INJECTION_SUPPORT, ENABLE_FEAT_RAS must not be 0)
853	endif
854endif #(FAULT_INJECTION_SUPPORT)
855
856# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1
857ifeq ($(DYN_DISABLE_AUTH), 1)
858	ifeq (${TRUSTED_BOARD_BOOT}, 0)
859                $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH \
860                to be set.")
861	endif
862endif #(DYN_DISABLE_AUTH)
863
864ifeq ($(MEASURED_BOOT)-$(TRUSTED_BOARD_BOOT),1-1)
865# Support authentication verification and hash calculation
866	CRYPTO_SUPPORT := 3
867else ifeq ($(DRTM_SUPPORT)-$(TRUSTED_BOARD_BOOT),1-1)
868# Support authentication verification and hash calculation
869	CRYPTO_SUPPORT := 3
870else ifneq ($(filter 1,${MEASURED_BOOT} ${DRTM_SUPPORT}),)
871# Support hash calculation only
872	CRYPTO_SUPPORT := 2
873else ifeq (${TRUSTED_BOARD_BOOT},1)
874# Support authentication verification only
875	CRYPTO_SUPPORT := 1
876else
877	CRYPTO_SUPPORT := 0
878endif #($(MEASURED_BOOT)-$(TRUSTED_BOARD_BOOT))
879
880# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled.
881ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1)
882        $(error "SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled")
883endif
884
885# If pointer authentication is used in the firmware, make sure that all the
886# registers associated to it are also saved and restored.
887# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1.
888ifeq ($(ENABLE_PAUTH),1)
889	ifeq ($(CTX_INCLUDE_PAUTH_REGS),0)
890                $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1)
891	endif
892endif #(ENABLE_PAUTH)
893
894ifeq ($(CTX_INCLUDE_PAUTH_REGS),1)
895	ifneq (${ARCH},aarch64)
896                $(error CTX_INCLUDE_PAUTH_REGS requires AArch64)
897	endif
898endif #(CTX_INCLUDE_PAUTH_REGS)
899
900ifeq ($(FEATURE_DETECTION),1)
901        $(info FEATURE_DETECTION is an experimental feature)
902endif #(FEATURE_DETECTION)
903
904ifneq ($(ENABLE_SME2_FOR_NS), 0)
905	ifeq (${ENABLE_SME_FOR_NS}, 0)
906                $(warning "ENABLE_SME2_FOR_NS requires ENABLE_SME_FOR_NS also \
907                to be set")
908                $(warning "Forced ENABLE_SME_FOR_NS=1")
909		override ENABLE_SME_FOR_NS	:= 1
910	endif
911endif #(ENABLE_SME2_FOR_NS)
912
913ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1)
914	ifeq (${ALLOW_RO_XLAT_TABLES}, 1)
915                $(error "ALLOW_RO_XLAT_TABLES requires translation tables \
916                library v2")
917	endif
918endif #(ARM_XLAT_TABLES_LIB_V1)
919
920ifneq (${DECRYPTION_SUPPORT},none)
921	ifeq (${TRUSTED_BOARD_BOOT}, 0)
922                $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT \
923                to be set)
924	endif
925endif #(DECRYPTION_SUPPORT)
926
927# Ensure that no Aarch64-only features are enabled in Aarch32 build
928ifeq (${ARCH},aarch32)
929
930	# SME/SVE only supported on AArch64
931	ifneq (${ENABLE_SME_FOR_NS},0)
932                $(error "ENABLE_SME_FOR_NS cannot be used with ARCH=aarch32")
933	endif
934
935	ifeq (${ENABLE_SVE_FOR_NS},1)
936		# Warning instead of error due to CI dependency on this
937                $(error "ENABLE_SVE_FOR_NS cannot be used with ARCH=aarch32")
938	endif
939
940	# BRBE is not supported in AArch32
941	ifeq (${ENABLE_BRBE_FOR_NS},1)
942                $(error "ENABLE_BRBE_FOR_NS cannot be used with ARCH=aarch32")
943	endif
944
945	# FEAT_RNG_TRAP is not supported in AArch32
946	ifeq (${ENABLE_FEAT_RNG_TRAP},1)
947                $(error "ENABLE_FEAT_RNG_TRAP cannot be used with ARCH=aarch32")
948	endif
949endif #(ARCH=aarch32)
950
951ifneq (${ENABLE_SME_FOR_NS},0)
952	ifeq (${ENABLE_SVE_FOR_NS},0)
953                $(error "ENABLE_SME_FOR_NS requires ENABLE_SVE_FOR_NS")
954	endif
955endif #(ENABLE_SME_FOR_NS)
956
957# Secure SME/SVE requires the non-secure component as well
958ifeq (${ENABLE_SME_FOR_SWD},1)
959	ifeq (${ENABLE_SME_FOR_NS},0)
960                $(error "ENABLE_SME_FOR_SWD requires ENABLE_SME_FOR_NS")
961	endif
962	ifeq (${ENABLE_SVE_FOR_SWD},0)
963                $(error "ENABLE_SME_FOR_SWD requires ENABLE_SVE_FOR_SWD")
964	endif
965endif #(ENABLE_SME_FOR_SWD)
966
967# Enabling SVE for SWD requires enabling SVE for NWD due to ENABLE_FEAT
968# mechanism.
969ifeq (${ENABLE_SVE_FOR_SWD},1)
970    ifeq (${ENABLE_SVE_FOR_NS},0)
971        $(error "ENABLE_SVE_FOR_SWD requires ENABLE_SVE_FOR_NS")
972    endif
973endif
974
975# Enabling SVE for both the worlds typically requires the context
976# management of SVE registers. The only exception being SPMC at S-EL2.
977ifeq (${ENABLE_SVE_FOR_SWD}, 1)
978    ifneq (${ENABLE_SVE_FOR_NS}, 0)
979        ifeq (${CTX_INCLUDE_SVE_REGS}-$(SPMD_SPM_AT_SEL2),0-0)
980            $(warning "ENABLE_SVE_FOR_SWD and ENABLE_SVE_FOR_NS together require CTX_INCLUDE_SVE_REGS")
981        endif
982    endif
983endif
984
985# Enabling SVE in either world while enabling CTX_INCLUDE_FPREGS requires
986# CTX_INCLUDE_SVE_REGS to be enabled due to architectural dependency between FP
987# and SVE registers.
988ifeq (${CTX_INCLUDE_FPREGS}, 1)
989    ifneq (${ENABLE_SVE_FOR_NS},0)
990        ifeq (${CTX_INCLUDE_SVE_REGS},0)
991	    # Warning instead of error due to CI dependency on this
992            $(warning "CTX_INCLUDE_FPREGS and ENABLE_SVE_FOR_NS together require CTX_INCLUDE_SVE_REGS")
993            $(warning "Forced ENABLE_SVE_FOR_NS=0")
994	    override ENABLE_SVE_FOR_NS	:= 0
995        endif
996    endif
997endif #(CTX_INCLUDE_FPREGS)
998
999# SVE context management is only required if secure world has access to SVE/FP
1000# functionality.
1001ifeq (${CTX_INCLUDE_SVE_REGS},1)
1002    ifeq (${ENABLE_SVE_FOR_SWD},0)
1003        $(error "CTX_INCLUDE_SVE_REGS requires ENABLE_SVE_FOR_SWD to also be enabled")
1004    endif
1005endif
1006
1007# SME cannot be used with CTX_INCLUDE_FPREGS since SPM does its own context
1008# management including FPU registers.
1009ifeq (${CTX_INCLUDE_FPREGS},1)
1010    ifneq (${ENABLE_SME_FOR_NS},0)
1011        $(error "ENABLE_SME_FOR_NS cannot be used with CTX_INCLUDE_FPREGS")
1012    endif
1013endif #(CTX_INCLUDE_FPREGS)
1014
1015ifeq ($(DRTM_SUPPORT),1)
1016        $(info DRTM_SUPPORT is an experimental feature)
1017endif
1018
1019ifeq (${TRANSFER_LIST},1)
1020        $(info TRANSFER_LIST is an experimental feature)
1021endif
1022
1023ifeq (${ENABLE_RME},1)
1024	ifneq (${SEPARATE_CODE_AND_RODATA},1)
1025                $(error `ENABLE_RME=1` requires `SEPARATE_CODE_AND_RODATA=1`)
1026	endif
1027endif
1028
1029ifeq ($(PSA_CRYPTO),1)
1030        $(info PSA_CRYPTO is an experimental feature)
1031endif
1032
1033ifeq ($(DICE_PROTECTION_ENVIRONMENT),1)
1034        $(info DICE_PROTECTION_ENVIRONMENT is an experimental feature)
1035endif
1036
1037################################################################################
1038# Process platform overrideable behaviour
1039################################################################################
1040
1041ifdef BL1_SOURCES
1042	NEED_BL1 := yes
1043endif #(BL1_SOURCES)
1044
1045ifdef BL2_SOURCES
1046	NEED_BL2 := yes
1047
1048	# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and
1049	# Certificate generation tools. This flag can be overridden by the platform.
1050	ifdef EL3_PAYLOAD_BASE
1051		# If booting an EL3 payload there is no need for a BL33 image
1052		# in the FIP file.
1053		NEED_BL33		:=	no
1054	else
1055		ifdef PRELOADED_BL33_BASE
1056			# If booting a BL33 preloaded image there is no need of
1057			# another one in the FIP file.
1058			NEED_BL33		:=	no
1059		else
1060			NEED_BL33		?=	yes
1061		endif
1062	endif
1063endif #(BL2_SOURCES)
1064
1065ifdef BL2U_SOURCES
1066	NEED_BL2U := yes
1067endif #(BL2U_SOURCES)
1068
1069# If SCP_BL2 is given, we always want FIP to include it.
1070ifdef SCP_BL2
1071	NEED_SCP_BL2		:=	yes
1072endif #(SCP_BL2)
1073
1074# For AArch32, BL31 is not currently supported.
1075ifneq (${ARCH},aarch32)
1076	ifdef BL31_SOURCES
1077	# When booting an EL3 payload, there is no need to compile the BL31
1078	# image nor put it in the FIP.
1079		ifndef EL3_PAYLOAD_BASE
1080			NEED_BL31 := yes
1081		endif
1082	endif
1083endif #(ARCH=aarch64)
1084
1085# Process TBB related flags
1086ifneq (${GENERATE_COT},0)
1087	# Common cert_create options
1088	ifneq (${CREATE_KEYS},0)
1089                $(eval CRT_ARGS += -n)
1090                $(eval FWU_CRT_ARGS += -n)
1091		ifneq (${SAVE_KEYS},0)
1092                        $(eval CRT_ARGS += -k)
1093                        $(eval FWU_CRT_ARGS += -k)
1094		endif
1095	endif
1096	# Include TBBR makefile (unless the platform indicates otherwise)
1097	ifeq (${INCLUDE_TBBR_MK},1)
1098                include make_helpers/tbbr/tbbr_tools.mk
1099	endif
1100endif #(GENERATE_COT)
1101
1102ifneq (${FIP_ALIGN},0)
1103	FIP_ARGS += --align ${FIP_ALIGN}
1104endif #(FIP_ALIGN)
1105
1106ifdef FDT_SOURCES
1107	NEED_FDT := yes
1108endif #(FDT_SOURCES)
1109
1110################################################################################
1111# Include libraries' Makefile that are used in all BL
1112################################################################################
1113
1114include lib/stack_protector/stack_protector.mk
1115
1116################################################################################
1117# Include BL specific makefiles
1118################################################################################
1119
1120ifeq (${NEED_BL1},yes)
1121include bl1/bl1.mk
1122endif
1123
1124ifeq (${NEED_BL2},yes)
1125include bl2/bl2.mk
1126endif
1127
1128ifeq (${NEED_BL2U},yes)
1129include bl2u/bl2u.mk
1130endif
1131
1132ifeq (${NEED_BL31},yes)
1133include bl31/bl31.mk
1134endif
1135
1136################################################################################
1137# Build options checks
1138################################################################################
1139
1140# Boolean_Flags
1141$(eval $(call assert_booleans,\
1142    $(sort \
1143	ALLOW_RO_XLAT_TABLES \
1144	BL2_ENABLE_SP_LOAD \
1145	COLD_BOOT_SINGLE_CPU \
1146	CREATE_KEYS \
1147	CTX_INCLUDE_AARCH32_REGS \
1148	CTX_INCLUDE_FPREGS \
1149	CTX_INCLUDE_SVE_REGS \
1150	CTX_INCLUDE_EL2_REGS \
1151	CTX_INCLUDE_MPAM_REGS \
1152	DEBUG \
1153	DYN_DISABLE_AUTH \
1154	EL3_EXCEPTION_HANDLING \
1155	ENABLE_AMU_AUXILIARY_COUNTERS \
1156	ENABLE_AMU_FCONF \
1157	AMU_RESTRICT_COUNTERS \
1158	ENABLE_ASSERTIONS \
1159	ENABLE_PIE \
1160	ENABLE_PMF \
1161	ENABLE_PSCI_STAT \
1162	ENABLE_RUNTIME_INSTRUMENTATION \
1163	ENABLE_SME_FOR_SWD \
1164	ENABLE_SVE_FOR_SWD \
1165	ENABLE_FEAT_RAS	\
1166	FFH_SUPPORT	\
1167	ERROR_DEPRECATED \
1168	FAULT_INJECTION_SUPPORT \
1169	GENERATE_COT \
1170	GICV2_G0_FOR_EL3 \
1171	HANDLE_EA_EL3_FIRST_NS \
1172	HARDEN_SLS \
1173	HW_ASSISTED_COHERENCY \
1174	MEASURED_BOOT \
1175	DICE_PROTECTION_ENVIRONMENT \
1176	DRTM_SUPPORT \
1177	NS_TIMER_SWITCH \
1178	OVERRIDE_LIBC \
1179	PL011_GENERIC_UART \
1180	PROGRAMMABLE_RESET_ADDRESS \
1181	PSCI_EXTENDED_STATE_ID \
1182	PSCI_OS_INIT_MODE \
1183	RESET_TO_BL31 \
1184	SAVE_KEYS \
1185	SEPARATE_CODE_AND_RODATA \
1186	SEPARATE_BL2_NOLOAD_REGION \
1187	SEPARATE_NOBITS_REGION \
1188	SEPARATE_SIMD_SECTION \
1189	SPIN_ON_BL1_EXIT \
1190	SPM_MM \
1191	SPMC_AT_EL3 \
1192	SPMC_AT_EL3_SEL0_SP \
1193	SPMD_SPM_AT_SEL2 \
1194	ENABLE_SPMD_LP \
1195	TRANSFER_LIST \
1196	TRUSTED_BOARD_BOOT \
1197	USE_COHERENT_MEM \
1198	USE_DEBUGFS \
1199	ARM_IO_IN_DTB \
1200	SDEI_IN_FCONF \
1201	SEC_INT_DESC_IN_FCONF \
1202	USE_ROMLIB \
1203	USE_TBBR_DEFS \
1204	WARMBOOT_ENABLE_DCACHE_EARLY \
1205	RESET_TO_BL2 \
1206	BL2_IN_XIP_MEM \
1207	BL2_INV_DCACHE \
1208	USE_SPINLOCK_CAS \
1209	ENCRYPT_BL31 \
1210	ENCRYPT_BL32 \
1211	ERRATA_SPECULATIVE_AT \
1212	RAS_TRAP_NS_ERR_REC_ACCESS \
1213	COT_DESC_IN_DTB \
1214	USE_SP804_TIMER \
1215	PSA_FWU_SUPPORT \
1216	PSA_FWU_METADATA_FW_STORE_DESC \
1217	ENABLE_MPMM \
1218	ENABLE_MPMM_FCONF \
1219	FEATURE_DETECTION \
1220	TRNG_SUPPORT \
1221	ERRATA_ABI_SUPPORT \
1222	ERRATA_NON_ARM_INTERCONNECT \
1223	CONDITIONAL_CMO \
1224	PSA_CRYPTO	\
1225	ENABLE_CONSOLE_GETC \
1226	INIT_UNUSED_NS_EL2	\
1227	PLATFORM_REPORT_CTX_MEM_USE \
1228	EARLY_CONSOLE \
1229	PRESERVE_DSU_PMU_REGS \
1230)))
1231
1232# Numeric_Flags
1233$(eval $(call assert_numerics,\
1234    $(sort \
1235	ARM_ARCH_MAJOR \
1236	ARM_ARCH_MINOR \
1237	BRANCH_PROTECTION \
1238	CTX_INCLUDE_PAUTH_REGS \
1239	CTX_INCLUDE_NEVE_REGS \
1240	CRYPTO_SUPPORT \
1241	DISABLE_MTPMU \
1242	ENABLE_BRBE_FOR_NS \
1243	ENABLE_TRBE_FOR_NS \
1244	ENABLE_BTI \
1245	ENABLE_PAUTH \
1246	ENABLE_FEAT_AMU \
1247	ENABLE_FEAT_AMUv1p1 \
1248	ENABLE_FEAT_CSV2_2 \
1249	ENABLE_FEAT_CSV2_3 \
1250	ENABLE_FEAT_DEBUGV8P9 \
1251	ENABLE_FEAT_DIT \
1252	ENABLE_FEAT_ECV \
1253	ENABLE_FEAT_FGT \
1254	ENABLE_FEAT_FGT2 \
1255	ENABLE_FEAT_HCX \
1256	ENABLE_FEAT_MTE2 \
1257	ENABLE_FEAT_PAN \
1258	ENABLE_FEAT_RNG \
1259	ENABLE_FEAT_RNG_TRAP \
1260	ENABLE_FEAT_SEL2 \
1261	ENABLE_FEAT_TCR2 \
1262	ENABLE_FEAT_SB \
1263	ENABLE_FEAT_S2PIE \
1264	ENABLE_FEAT_S1PIE \
1265	ENABLE_FEAT_S2POE \
1266	ENABLE_FEAT_S1POE \
1267	ENABLE_FEAT_GCS \
1268	ENABLE_FEAT_VHE \
1269	ENABLE_FEAT_MPAM \
1270	ENABLE_RME \
1271	ENABLE_SPE_FOR_NS \
1272	ENABLE_SYS_REG_TRACE_FOR_NS \
1273	ENABLE_SME_FOR_NS \
1274	ENABLE_SME2_FOR_NS \
1275	ENABLE_SVE_FOR_NS \
1276	ENABLE_TRF_FOR_NS \
1277	FW_ENC_STATUS \
1278	NR_OF_FW_BANKS \
1279	NR_OF_IMAGES_IN_FW_BANK \
1280	TWED_DELAY \
1281	ENABLE_FEAT_TWED \
1282	SVE_VECTOR_LEN \
1283	IMPDEF_SYSREG_TRAP \
1284)))
1285
1286ifdef KEY_SIZE
1287        $(eval $(call assert_numeric,KEY_SIZE))
1288endif
1289
1290ifeq ($(filter $(SANITIZE_UB), on off trap),)
1291        $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap")
1292endif
1293
1294################################################################################
1295# Add definitions to the cpp preprocessor based on the current build options.
1296# This is done after including the platform specific makefile to allow the
1297# platform to overwrite the default options
1298################################################################################
1299
1300$(eval $(call add_defines,\
1301    $(sort \
1302	ALLOW_RO_XLAT_TABLES \
1303	ARM_ARCH_MAJOR \
1304	ARM_ARCH_MINOR \
1305	BL2_ENABLE_SP_LOAD \
1306	COLD_BOOT_SINGLE_CPU \
1307	CTX_INCLUDE_AARCH32_REGS \
1308	CTX_INCLUDE_FPREGS \
1309	CTX_INCLUDE_SVE_REGS \
1310	CTX_INCLUDE_PAUTH_REGS \
1311	CTX_INCLUDE_MPAM_REGS \
1312	EL3_EXCEPTION_HANDLING \
1313	CTX_INCLUDE_EL2_REGS \
1314	CTX_INCLUDE_NEVE_REGS \
1315	DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \
1316	DISABLE_MTPMU \
1317	ENABLE_FEAT_AMU \
1318	ENABLE_AMU_AUXILIARY_COUNTERS \
1319	ENABLE_AMU_FCONF \
1320	AMU_RESTRICT_COUNTERS \
1321	ENABLE_ASSERTIONS \
1322	ENABLE_BTI \
1323	ENABLE_FEAT_DEBUGV8P9 \
1324	ENABLE_FEAT_MPAM \
1325	ENABLE_PAUTH \
1326	ENABLE_PIE \
1327	ENABLE_PMF \
1328	ENABLE_PSCI_STAT \
1329	ENABLE_RME \
1330	ENABLE_RUNTIME_INSTRUMENTATION \
1331	ENABLE_SME_FOR_NS \
1332	ENABLE_SME2_FOR_NS \
1333	ENABLE_SME_FOR_SWD \
1334	ENABLE_SPE_FOR_NS \
1335	ENABLE_SVE_FOR_NS \
1336	ENABLE_SVE_FOR_SWD \
1337	ENABLE_FEAT_RAS \
1338	FFH_SUPPORT \
1339	ENCRYPT_BL31 \
1340	ENCRYPT_BL32 \
1341	ERROR_DEPRECATED \
1342	FAULT_INJECTION_SUPPORT \
1343	GICV2_G0_FOR_EL3 \
1344	HANDLE_EA_EL3_FIRST_NS \
1345	HW_ASSISTED_COHERENCY \
1346	LOG_LEVEL \
1347	MEASURED_BOOT \
1348	DICE_PROTECTION_ENVIRONMENT \
1349	DRTM_SUPPORT \
1350	NS_TIMER_SWITCH \
1351	PL011_GENERIC_UART \
1352	PLAT_${PLAT} \
1353	PROGRAMMABLE_RESET_ADDRESS \
1354	PSCI_EXTENDED_STATE_ID \
1355	PSCI_OS_INIT_MODE \
1356	RESET_TO_BL31 \
1357	RME_GPT_BITLOCK_BLOCK \
1358	RME_GPT_MAX_BLOCK \
1359	SEPARATE_CODE_AND_RODATA \
1360	SEPARATE_BL2_NOLOAD_REGION \
1361	SEPARATE_NOBITS_REGION \
1362	SEPARATE_SIMD_SECTION \
1363	RECLAIM_INIT_CODE \
1364	SPD_${SPD} \
1365	SPIN_ON_BL1_EXIT \
1366	SPM_MM \
1367	SPMC_AT_EL3 \
1368	SPMC_AT_EL3_SEL0_SP \
1369	SPMD_SPM_AT_SEL2 \
1370	TRANSFER_LIST \
1371	TRUSTED_BOARD_BOOT \
1372	CRYPTO_SUPPORT \
1373	TRNG_SUPPORT \
1374	ERRATA_ABI_SUPPORT \
1375	ERRATA_NON_ARM_INTERCONNECT \
1376	USE_COHERENT_MEM \
1377	USE_DEBUGFS \
1378	ARM_IO_IN_DTB \
1379	SDEI_IN_FCONF \
1380	SEC_INT_DESC_IN_FCONF \
1381	USE_ROMLIB \
1382	USE_TBBR_DEFS \
1383	WARMBOOT_ENABLE_DCACHE_EARLY \
1384	RESET_TO_BL2 \
1385	BL2_RUNS_AT_EL3	\
1386	BL2_IN_XIP_MEM \
1387	BL2_INV_DCACHE \
1388	USE_SPINLOCK_CAS \
1389	ERRATA_SPECULATIVE_AT \
1390	RAS_TRAP_NS_ERR_REC_ACCESS \
1391	COT_DESC_IN_DTB \
1392	USE_SP804_TIMER \
1393	ENABLE_FEAT_RNG \
1394	ENABLE_FEAT_RNG_TRAP \
1395	ENABLE_FEAT_SB \
1396	ENABLE_FEAT_DIT \
1397	NR_OF_FW_BANKS \
1398	NR_OF_IMAGES_IN_FW_BANK \
1399	PSA_FWU_SUPPORT \
1400	PSA_FWU_METADATA_FW_STORE_DESC \
1401	ENABLE_BRBE_FOR_NS \
1402	ENABLE_TRBE_FOR_NS \
1403	ENABLE_SYS_REG_TRACE_FOR_NS \
1404	ENABLE_TRF_FOR_NS \
1405	ENABLE_FEAT_HCX \
1406	ENABLE_MPMM \
1407	ENABLE_MPMM_FCONF \
1408	ENABLE_FEAT_FGT \
1409	ENABLE_FEAT_FGT2 \
1410	ENABLE_FEAT_ECV \
1411	ENABLE_FEAT_AMUv1p1 \
1412	ENABLE_FEAT_SEL2 \
1413	ENABLE_FEAT_VHE \
1414	ENABLE_FEAT_CSV2_2 \
1415	ENABLE_FEAT_CSV2_3 \
1416	ENABLE_FEAT_PAN \
1417	ENABLE_FEAT_TCR2 \
1418	ENABLE_FEAT_S2PIE \
1419	ENABLE_FEAT_S1PIE \
1420	ENABLE_FEAT_S2POE \
1421	ENABLE_FEAT_S1POE \
1422	ENABLE_FEAT_GCS \
1423	ENABLE_FEAT_MTE2 \
1424	FEATURE_DETECTION \
1425	TWED_DELAY \
1426	ENABLE_FEAT_TWED \
1427	CONDITIONAL_CMO \
1428	IMPDEF_SYSREG_TRAP \
1429	SVE_VECTOR_LEN \
1430	ENABLE_SPMD_LP \
1431	PSA_CRYPTO	\
1432	ENABLE_CONSOLE_GETC \
1433	INIT_UNUSED_NS_EL2	\
1434	PLATFORM_REPORT_CTX_MEM_USE \
1435	EARLY_CONSOLE \
1436	PRESERVE_DSU_PMU_REGS \
1437)))
1438
1439ifeq (${PLATFORM_REPORT_CTX_MEM_USE}, 1)
1440ifeq (${DEBUG}, 0)
1441        $(warning "PLATFORM_REPORT_CTX_MEM_USE can be applied when DEBUG=1 only")
1442        override PLATFORM_REPORT_CTX_MEM_USE := 0
1443endif
1444endif
1445
1446ifeq (${SANITIZE_UB},trap)
1447        $(eval $(call add_define,MONITOR_TRAPS))
1448endif #(SANITIZE_UB)
1449
1450# Define the EL3_PAYLOAD_BASE flag only if it is provided.
1451ifdef EL3_PAYLOAD_BASE
1452        $(eval $(call add_define,EL3_PAYLOAD_BASE))
1453else
1454# Define the PRELOADED_BL33_BASE flag only if it is provided and
1455# EL3_PAYLOAD_BASE is not defined, as it has priority.
1456	ifdef PRELOADED_BL33_BASE
1457                $(eval $(call add_define,PRELOADED_BL33_BASE))
1458	endif
1459endif #(EL3_PAYLOAD_BASE)
1460
1461# Define the DYN_DISABLE_AUTH flag only if set.
1462ifeq (${DYN_DISABLE_AUTH},1)
1463        $(eval $(call add_define,DYN_DISABLE_AUTH))
1464endif
1465
1466ifeq ($($(ARCH)-ld-id),arm-link)
1467        $(eval $(call add_define,USE_ARM_LINK))
1468endif
1469
1470# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined
1471ifeq (${SPD},spmd)
1472ifdef SP_LAYOUT_FILE
1473	-include $(BUILD_PLAT)/sp_gen.mk
1474	FIP_DEPS += sp
1475	CRT_DEPS += sp
1476	NEED_SP_PKG := yes
1477else
1478	ifeq (${SPMD_SPM_AT_SEL2},1)
1479                $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE")
1480	endif
1481endif #(SP_LAYOUT_FILE)
1482endif #(SPD)
1483
1484################################################################################
1485# Build targets
1486################################################################################
1487
1488.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp tl fwu_fip certtool dtbs memmap doc enctool
1489.SUFFIXES:
1490
1491all: msg_start
1492
1493msg_start:
1494	$(s)echo "Building ${PLAT}"
1495
1496ifeq (${ERROR_DEPRECATED},0)
1497# Check if deprecated declarations and cpp warnings should be treated as error or not.
1498ifneq ($(filter %-clang,$($(ARCH)-cc-id)),)
1499    CPPFLAGS		+= 	-Wno-error=deprecated-declarations
1500else
1501    CPPFLAGS		+= 	-Wno-error=deprecated-declarations -Wno-error=cpp
1502endif
1503endif #(!ERROR_DEPRECATED)
1504
1505$(eval $(call MAKE_LIB,c))
1506
1507# Expand build macros for the different images
1508ifeq (${NEED_BL1},yes)
1509BL1_SOURCES := $(sort ${BL1_SOURCES})
1510$(eval $(call MAKE_BL,bl1))
1511endif #(NEED_BL1)
1512
1513ifeq (${NEED_BL2},yes)
1514
1515ifeq (${RESET_TO_BL2}, 0)
1516FIP_BL2_ARGS := tb-fw
1517endif
1518
1519BL2_SOURCES := $(sort ${BL2_SOURCES})
1520
1521$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
1522	$(eval $(call MAKE_BL,bl2,${FIP_BL2_ARGS})))
1523
1524endif #(NEED_BL2)
1525
1526ifeq (${NEED_SCP_BL2},yes)
1527$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw))
1528endif #(NEED_SCP_BL2)
1529
1530ifeq (${NEED_BL31},yes)
1531BL31_SOURCES += ${SPD_SOURCES}
1532# Sort BL31 source files to remove duplicates
1533BL31_SOURCES := $(sort ${BL31_SOURCES})
1534ifneq (${DECRYPTION_SUPPORT},none)
1535$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\
1536	$(eval $(call MAKE_BL,bl31,soc-fw,,$(ENCRYPT_BL31))))
1537else
1538$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
1539	$(eval $(call MAKE_BL,bl31,soc-fw)))
1540endif #(DECRYPTION_SUPPORT)
1541endif #(NEED_BL31)
1542
1543# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
1544# build system will call TOOL_ADD_IMG to print a warning message and abort the
1545# process. Note that the dependency on BL32 applies to the FIP only.
1546ifeq (${NEED_BL32},yes)
1547# Sort BL32 source files to remove duplicates
1548BL32_SOURCES := $(sort ${BL32_SOURCES})
1549BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
1550
1551ifneq (${DECRYPTION_SUPPORT},none)
1552$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw,,$(ENCRYPT_BL32))),\
1553	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32))))
1554else
1555$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw)),\
1556	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
1557endif #(DECRYPTION_SUPPORT)
1558endif #(NEED_BL32)
1559
1560# If RMM image is needed but RMM is not defined, Test Realm Payload (TRP)
1561# needs to be built from RMM_SOURCES.
1562ifeq (${NEED_RMM},yes)
1563# Sort RMM source files to remove duplicates
1564RMM_SOURCES := $(sort ${RMM_SOURCES})
1565BUILD_RMM := $(if $(RMM),,$(if $(RMM_SOURCES),1))
1566
1567$(if ${BUILD_RMM}, $(eval $(call MAKE_BL,rmm,rmm-fw)),\
1568	 $(eval $(call TOOL_ADD_IMG,rmm,--rmm-fw)))
1569endif #(NEED_RMM)
1570
1571# Add the BL33 image if required by the platform
1572ifeq (${NEED_BL33},yes)
1573$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
1574endif #(NEED_BL33)
1575
1576ifeq (${NEED_BL2U},yes)
1577$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\
1578	$(eval $(call MAKE_BL,bl2u,ap-fwu-cfg,FWU_)))
1579endif #(NEED_BL2U)
1580
1581# Expand build macros for the different images
1582ifeq (${NEED_FDT},yes)
1583    $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
1584endif #(NEED_FDT)
1585
1586# Add Secure Partition packages
1587ifeq (${NEED_SP_PKG},yes)
1588$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | $$(@D)/
1589	$(q)${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT} ${SP_DTS_LIST_FRAGMENT}
1590sp: $(DTBS) $(BUILD_PLAT)/sp_gen.mk $(SP_PKGS)
1591	$(s)echo
1592	$(s)echo "Built SP Images successfully"
1593	$(s)echo
1594endif #(NEED_SP_PKG)
1595
1596locate-checkpatch:
1597ifndef CHECKPATCH
1598	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1599else
1600ifeq (,$(wildcard ${CHECKPATCH}))
1601	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1602endif
1603endif #(CHECKPATCH)
1604
1605clean:
1606	$(s)echo "  CLEAN"
1607	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
1608ifdef UNIX_MK
1609	$(q)${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1610else
1611# Clear the MAKEFLAGS as we do not want
1612# to pass the gnumake flags to nmake.
1613	$(q)set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) clean
1614endif #(UNIX_MK)
1615	$(q)${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
1616	$(q)${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean
1617	$(q)${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1618
1619realclean distclean:
1620	$(s)echo "  REALCLEAN"
1621	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
1622	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
1623ifdef UNIX_MK
1624	$(q)${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1625else
1626# Clear the MAKEFLAGS as we do not want
1627# to pass the gnumake flags to nmake.
1628	$(q)set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) realclean
1629endif #(UNIX_MK)
1630	$(q)${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} realclean
1631	$(q)${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean
1632	$(q)${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1633
1634checkcodebase:		locate-checkpatch
1635	$(s)echo "  CHECKING STYLE"
1636	$(q)if test -d .git ; then						\
1637		git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' |	\
1638		while read GIT_FILE ;					\
1639		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
1640		done ;							\
1641	else								\
1642		 find . -type f -not -iwholename "*.git*"		\
1643		 -not -iwholename "*build*"				\
1644		 -not -iwholename "*libfdt*"				\
1645		 -not -iwholename "*libc*"				\
1646		 -not -iwholename "*docs*"				\
1647		 -not -iwholename "*.rst"				\
1648		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
1649	fi
1650
1651checkpatch:		locate-checkpatch
1652	$(s)echo "  CHECKING STYLE"
1653	$(q)if test -n "${CHECKPATCH_OPTS}"; then				\
1654		echo "    with ${CHECKPATCH_OPTS} option(s)";		\
1655	fi
1656	$(q)COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT});	\
1657	for commit in `git rev-list --no-merges $$COMMON_COMMIT..HEAD`;	\
1658	do								\
1659		printf "\n[*] Checking style of '$$commit'\n\n";	\
1660		( git log --format=email "$$commit~..$$commit"		\
1661			-- ${CHECK_PATHS} ;				\
1662		  git diff --format=email "$$commit~..$$commit"		\
1663			-- ${CHECK_PATHS}; ) |				\
1664			${CHECKPATCH}  ${CHECKPATCH_OPTS} - || true;	\
1665	done
1666
1667certtool: ${CRTTOOL}
1668
1669${CRTTOOL}: FORCE
1670	$(q)${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
1671	$(s)echo
1672	$(s)echo "Built $@ successfully"
1673	$(s)echo
1674
1675ifneq (${GENERATE_COT},0)
1676certificates: ${CRT_DEPS} ${CRTTOOL}
1677	$(q)${CRTTOOL} ${CRT_ARGS}
1678	$(s)echo
1679	$(s)echo "Built $@ successfully"
1680	$(s)echo "Certificates can be found in ${BUILD_PLAT}"
1681	$(s)echo
1682endif #(GENERATE_COT)
1683
1684${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
1685	$(eval ${CHECK_FIP_CMD})
1686	$(q)${FIPTOOL} create ${FIP_ARGS} $@
1687	$(q)${FIPTOOL} info $@
1688	$(s)echo
1689	$(s)echo "Built $@ successfully"
1690	$(s)echo
1691
1692ifneq (${GENERATE_COT},0)
1693fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
1694	$(q)${CRTTOOL} ${FWU_CRT_ARGS}
1695	$(s)echo
1696	$(s)echo "Built $@ successfully"
1697	$(s)echo "FWU certificates can be found in ${BUILD_PLAT}"
1698	$(s)echo
1699endif #(GENERATE_COT)
1700
1701${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
1702	$(eval ${CHECK_FWU_FIP_CMD})
1703	$(q)${FIPTOOL} create ${FWU_FIP_ARGS} $@
1704	$(q)${FIPTOOL} info $@
1705	$(s)echo
1706	$(s)echo "Built $@ successfully"
1707	$(s)echo
1708
1709fiptool: ${FIPTOOL}
1710fip: ${BUILD_PLAT}/${FIP_NAME}
1711fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
1712
1713${FIPTOOL}: FORCE
1714ifdef UNIX_MK
1715	$(q)${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} OPENSSL_DIR=${OPENSSL_DIR} DEBUG=${DEBUG} --no-print-directory -C ${FIPTOOLPATH} all
1716else
1717# Clear the MAKEFLAGS as we do not want
1718# to pass the gnumake flags to nmake.
1719	$(q)set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL))
1720endif #(UNIX_MK)
1721
1722romlib.bin: libraries FORCE
1723	$(q)${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
1724
1725memmap: all
1726ifdef UNIX_MK
1727	$(q)PYTHONPATH=${CURDIR}/tools/memory \
1728		${PYTHON} -m memory.memmap -sr ${BUILD_PLAT}
1729else
1730	$(q)set PYTHONPATH=${CURDIR}/tools/memory && \
1731		${PYTHON} -m memory.memmap -sr ${BUILD_PLAT}
1732endif
1733
1734tl: ${BUILD_PLAT}/tl.bin
1735${BUILD_PLAT}/tl.bin: ${HW_CONFIG}
1736	$(q)poetry -q install
1737	$(q)poetry run tlc create --fdt $< -s ${FW_HANDOFF_SIZE} $@
1738
1739doc:
1740	$(s)echo "  BUILD DOCUMENTATION"
1741	$(q)${MAKE} --no-print-directory -C ${DOCS_PATH} html
1742
1743enctool: ${ENCTOOL}
1744
1745${ENCTOOL}: FORCE
1746	$(q)${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} DEBUG=${DEBUG} --no-print-directory -C ${ENCTOOLPATH} all
1747	$(s)echo
1748	$(s)echo "Built $@ successfully"
1749	$(s)echo
1750
1751cscope:
1752	$(s)echo "  CSCOPE"
1753	$(q)find ${CURDIR} -name "*.[chsS]" > cscope.files
1754	$(q)cscope -b -q -k
1755
1756help:
1757	$(s)echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]"
1758	$(s)echo ""
1759	$(s)echo "PLAT is used to specify which platform you wish to build."
1760	$(s)echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
1761	$(s)echo ""
1762	$(s)echo "platform = ${PLATFORM_LIST}"
1763	$(s)echo ""
1764	$(s)echo "Please refer to the User Guide for a list of all supported options."
1765	$(s)echo "Note that the build system doesn't track dependencies for build "
1766	$(s)echo "options. Therefore, if any of the build options are changed "
1767	$(s)echo "from a previous build, a clean build must be performed."
1768	$(s)echo ""
1769	$(s)echo "Supported Targets:"
1770	$(s)echo "  all            Build all individual bootloader binaries"
1771	$(s)echo "  bl1            Build the BL1 binary"
1772	$(s)echo "  bl2            Build the BL2 binary"
1773	$(s)echo "  bl2u           Build the BL2U binary"
1774	$(s)echo "  bl31           Build the BL31 binary"
1775	$(s)echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
1776	$(s)echo "                 this builds secure payload specified by AARCH32_SP"
1777	$(s)echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
1778	$(s)echo "  fip            Build the Firmware Image Package (FIP)"
1779	$(s)echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
1780	$(s)echo "  checkcodebase  Check the coding style of the entire source tree"
1781	$(s)echo "  checkpatch     Check the coding style on changes in the current"
1782	$(s)echo "                 branch against BASE_COMMIT (default origin/master)"
1783	$(s)echo "  clean          Clean the build for the selected platform"
1784	$(s)echo "  cscope         Generate cscope index"
1785	$(s)echo "  distclean      Remove all build artifacts for all platforms"
1786	$(s)echo "  certtool       Build the Certificate generation tool"
1787	$(s)echo "  enctool        Build the Firmware encryption tool"
1788	$(s)echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
1789	$(s)echo "  sp             Build the Secure Partition Packages"
1790	$(s)echo "  sptool         Build the Secure Partition Package creation tool"
1791	$(s)echo "  dtbs           Build the Device Tree Blobs (if required for the platform)"
1792	$(s)echo "  memmap         Print the memory map of the built binaries"
1793	$(s)echo "  doc            Build html based documentation using Sphinx tool"
1794	$(s)echo ""
1795	$(s)echo "Note: most build targets require PLAT to be set to a specific platform."
1796	$(s)echo ""
1797	$(s)echo "example: build all targets for the FVP platform:"
1798	$(s)echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
1799
1800.PHONY: FORCE
1801FORCE:;
1802