xref: /rk3399_ARM-atf/Makefile (revision a57b94ec7ca5d201b4d88d54dcc69a53b35ec7c0)
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 PIE
601	ifneq (${ENABLE_PIE},0)
602                $(error ENABLE_RME does not support PIE)
603	endif
604
605	# RME requires AARCH64
606	ifneq (${ARCH},aarch64)
607                $(error ENABLE_RME requires AArch64)
608	endif
609
610	# RME requires el2 context to be saved for now.
611	CTX_INCLUDE_EL2_REGS := 1
612	CTX_INCLUDE_AARCH32_REGS := 0
613	CTX_INCLUDE_PAUTH_REGS := 1
614
615	# RME enables CSV2_2 extension by default.
616	ENABLE_FEAT_CSV2_2 = 1
617endif #(FEAT_RME)
618
619################################################################################
620# Include rmmd Makefile if RME is enabled
621################################################################################
622ifneq (${ENABLE_RME},0)
623	ifneq (${ARCH},aarch64)
624                $(error ENABLE_RME requires AArch64)
625	endif
626	ifeq ($(SPMC_AT_EL3),1)
627                $(error SPMC_AT_EL3 and ENABLE_RME cannot both be enabled.)
628	endif
629
630	ifneq (${SPD}, none)
631		ifneq (${SPD}, spmd)
632                        $(error ENABLE_RME is incompatible with SPD=${SPD}. Use SPD=spmd)
633		endif
634	endif
635include services/std_svc/rmmd/rmmd.mk
636$(warning "RME is an experimental feature")
637endif
638
639ifeq (${CTX_INCLUDE_EL2_REGS}, 1)
640	ifeq (${SPD},none)
641		ifeq (${ENABLE_RME},0)
642                        $(error CTX_INCLUDE_EL2_REGS is available only when SPD \
643                        or RME is enabled)
644		endif
645	endif
646endif
647
648################################################################################
649# Platform specific Makefile might provide us ARCH_MAJOR/MINOR use that to come
650# up with appropriate march values for compiler.
651################################################################################
652include ${MAKE_HELPERS_DIRECTORY}march.mk
653
654TF_CFLAGS   +=	$(march-directive)
655ASFLAGS		+=	$(march-directive)
656
657# This internal flag is common option which is set to 1 for scenarios
658# when the BL2 is running in EL3 level. This occurs in two scenarios -
659# 4 world system running BL2 at EL3 and two world system without BL1 running
660# BL2 in EL3
661
662ifeq (${RESET_TO_BL2},1)
663	BL2_RUNS_AT_EL3	:=	1
664	ifeq (${ENABLE_RME},1)
665                $(error RESET_TO_BL2=1 and ENABLE_RME=1 configuration is not \
666                supported at the moment.)
667	endif
668else ifeq (${ENABLE_RME},1)
669	BL2_RUNS_AT_EL3	:=	1
670else
671	BL2_RUNS_AT_EL3	:=	0
672endif
673
674# This internal flag is set to 1 when Firmware First handling of External aborts
675# is required by lowe ELs. Currently only NS requires this support.
676ifeq ($(HANDLE_EA_EL3_FIRST_NS),1)
677	FFH_SUPPORT := 1
678else
679	FFH_SUPPORT := 0
680endif
681
682ifeq (${ARM_ARCH_MAJOR},7)
683include make_helpers/armv7-a-cpus.mk
684endif
685
686PIE_FOUND		:=	$(findstring --enable-default-pie,${GCC_V_OUTPUT})
687ifneq ($(PIE_FOUND),)
688	TF_CFLAGS	+=	-fno-PIE
689ifeq ($($(ARCH)-ld-id),gnu-gcc)
690	TF_LDFLAGS	+=	-no-pie
691endif
692endif #(PIE_FOUND)
693
694ifeq ($($(ARCH)-ld-id),gnu-gcc)
695	PIE_LDFLAGS	+=	-Wl,-pie -Wl,--no-dynamic-linker
696else
697	PIE_LDFLAGS	+=	-pie --no-dynamic-linker
698endif
699
700ifeq ($(ENABLE_PIE),1)
701	ifeq ($(RESET_TO_BL2),1)
702		ifneq ($(BL2_IN_XIP_MEM),1)
703			BL2_CPPFLAGS	+=	-fpie
704			BL2_CFLAGS	+=	-fpie
705			BL2_LDFLAGS	+=	$(PIE_LDFLAGS)
706		endif #(BL2_IN_XIP_MEM)
707	endif #(RESET_TO_BL2)
708	BL31_CPPFLAGS	+=	-fpie
709	BL31_CFLAGS 	+=	-fpie
710	BL31_LDFLAGS	+=	$(PIE_LDFLAGS)
711
712	BL32_CPPFLAGS	+=	-fpie
713	BL32_CFLAGS	+=	-fpie
714	BL32_LDFLAGS	+=	$(PIE_LDFLAGS)
715endif #(ENABLE_PIE)
716
717BL1_CPPFLAGS  += -DREPORT_ERRATA=${DEBUG}
718BL31_CPPFLAGS += -DREPORT_ERRATA=${DEBUG}
719BL32_CPPFLAGS += -DREPORT_ERRATA=${DEBUG}
720
721BL1_CPPFLAGS += -DIMAGE_AT_EL3
722ifeq ($(RESET_TO_BL2),1)
723	BL2_CPPFLAGS += -DIMAGE_AT_EL3
724else
725	BL2_CPPFLAGS += -DIMAGE_AT_EL1
726endif #(RESET_TO_BL2)
727
728ifeq (${ARCH},aarch64)
729	BL2U_CPPFLAGS += -DIMAGE_AT_EL1
730	BL31_CPPFLAGS += -DIMAGE_AT_EL3
731	BL32_CPPFLAGS += -DIMAGE_AT_EL1
732else
733	BL32_CPPFLAGS += -DIMAGE_AT_EL3
734endif
735
736# Include the CPU specific operations makefile, which provides default
737# values for all CPU errata workarounds and CPU specific optimisations.
738# This can be overridden by the platform.
739include lib/cpus/cpu-ops.mk
740
741################################################################################
742# Build `AARCH32_SP` as BL32 image for AArch32
743################################################################################
744ifeq (${ARCH},aarch32)
745        NEED_BL32 := yes
746
747        ifneq (${AARCH32_SP},none)
748        # We expect to locate an sp.mk under the specified AARCH32_SP directory
749		AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
750
751                ifeq (${AARCH32_SP_MAKE},)
752                        $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
753                endif
754                $(info Including ${AARCH32_SP_MAKE})
755                include ${AARCH32_SP_MAKE}
756        endif
757endif #(ARCH=aarch32)
758
759################################################################################
760# Include libc if not overridden
761################################################################################
762ifeq (${OVERRIDE_LIBC},0)
763include lib/libc/libc.mk
764endif
765
766################################################################################
767# Check incompatible options and dependencies
768################################################################################
769
770# USE_DEBUGFS experimental feature recommended only in debug builds
771ifeq (${USE_DEBUGFS},1)
772        ifeq (${DEBUG},1)
773                $(warning DEBUGFS experimental feature is enabled.)
774        else
775                $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY)
776        endif
777endif #(USE_DEBUGFS)
778
779# USE_SPINLOCK_CAS requires AArch64 build
780ifeq (${USE_SPINLOCK_CAS},1)
781        ifneq (${ARCH},aarch64)
782               $(error USE_SPINLOCK_CAS requires AArch64)
783        endif
784endif #(USE_SPINLOCK_CAS)
785
786# The cert_create tool cannot generate certificates individually, so we use the
787# target 'certificates' to create them all
788ifneq (${GENERATE_COT},0)
789        FIP_DEPS += certificates
790        FWU_FIP_DEPS += fwu_certificates
791endif
792
793ifneq (${DECRYPTION_SUPPORT},none)
794	ENC_ARGS += -f ${FW_ENC_STATUS}
795	ENC_ARGS += -k ${ENC_KEY}
796	ENC_ARGS += -n ${ENC_NONCE}
797	FIP_DEPS += enctool
798	FWU_FIP_DEPS += enctool
799endif #(DECRYPTION_SUPPORT)
800
801ifdef EL3_PAYLOAD_BASE
802	ifdef PRELOADED_BL33_BASE
803                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
804		incompatible build options. EL3_PAYLOAD_BASE has priority.")
805	endif
806	ifneq (${GENERATE_COT},0)
807                $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible \
808                build options.")
809	endif
810	ifneq (${TRUSTED_BOARD_BOOT},0)
811                $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are \
812                incompatible \ build options.")
813	endif
814endif #(EL3_PAYLOAD_BASE)
815
816ifeq (${NEED_BL33},yes)
817	ifdef EL3_PAYLOAD_BASE
818                $(warning "BL33 image is not needed when option \
819                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
820	endif
821	ifdef PRELOADED_BL33_BASE
822                $(warning "BL33 image is not needed when option \
823                PRELOADED_BL33_BASE is used and won't be added to the FIP file.")
824	endif
825endif #(NEED_BL33)
826
827# When building for systems with hardware-assisted coherency, there's no need to
828# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
829ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
830        $(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
831endif
832
833#For now, BL2_IN_XIP_MEM is only supported when RESET_TO_BL2 is 1.
834ifeq ($(RESET_TO_BL2)-$(BL2_IN_XIP_MEM),0-1)
835        $(error "BL2_IN_XIP_MEM is only supported when RESET_TO_BL2 is enabled")
836endif
837
838# RAS_EXTENSION is deprecated, provide alternate build options
839ifeq ($(RAS_EXTENSION),1)
840        $(error "RAS_EXTENSION is now deprecated, please use ENABLE_FEAT_RAS \
841        and HANDLE_EA_EL3_FIRST_NS instead")
842endif
843
844
845# When FAULT_INJECTION_SUPPORT is used, require that FEAT_RAS is enabled
846ifeq ($(FAULT_INJECTION_SUPPORT),1)
847	ifeq ($(ENABLE_FEAT_RAS),0)
848                $(error For FAULT_INJECTION_SUPPORT, ENABLE_FEAT_RAS must not be 0)
849	endif
850endif #(FAULT_INJECTION_SUPPORT)
851
852# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1
853ifeq ($(DYN_DISABLE_AUTH), 1)
854	ifeq (${TRUSTED_BOARD_BOOT}, 0)
855                $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH \
856                to be set.")
857	endif
858endif #(DYN_DISABLE_AUTH)
859
860ifeq ($(MEASURED_BOOT)-$(TRUSTED_BOARD_BOOT),1-1)
861# Support authentication verification and hash calculation
862	CRYPTO_SUPPORT := 3
863else ifeq ($(DRTM_SUPPORT)-$(TRUSTED_BOARD_BOOT),1-1)
864# Support authentication verification and hash calculation
865	CRYPTO_SUPPORT := 3
866else ifneq ($(filter 1,${MEASURED_BOOT} ${DRTM_SUPPORT}),)
867# Support hash calculation only
868	CRYPTO_SUPPORT := 2
869else ifeq (${TRUSTED_BOARD_BOOT},1)
870# Support authentication verification only
871	CRYPTO_SUPPORT := 1
872else
873	CRYPTO_SUPPORT := 0
874endif #($(MEASURED_BOOT)-$(TRUSTED_BOARD_BOOT))
875
876# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled.
877ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1)
878        $(error "SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled")
879endif
880
881# If pointer authentication is used in the firmware, make sure that all the
882# registers associated to it are also saved and restored.
883# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1.
884ifeq ($(ENABLE_PAUTH),1)
885	ifeq ($(CTX_INCLUDE_PAUTH_REGS),0)
886                $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1)
887	endif
888endif #(ENABLE_PAUTH)
889
890ifeq ($(CTX_INCLUDE_PAUTH_REGS),1)
891	ifneq (${ARCH},aarch64)
892                $(error CTX_INCLUDE_PAUTH_REGS requires AArch64)
893	endif
894endif #(CTX_INCLUDE_PAUTH_REGS)
895
896ifeq ($(FEATURE_DETECTION),1)
897        $(info FEATURE_DETECTION is an experimental feature)
898endif #(FEATURE_DETECTION)
899
900ifneq ($(ENABLE_SME2_FOR_NS), 0)
901	ifeq (${ENABLE_SME_FOR_NS}, 0)
902                $(warning "ENABLE_SME2_FOR_NS requires ENABLE_SME_FOR_NS also \
903                to be set")
904                $(warning "Forced ENABLE_SME_FOR_NS=1")
905		override ENABLE_SME_FOR_NS	:= 1
906	endif
907endif #(ENABLE_SME2_FOR_NS)
908
909ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1)
910	ifeq (${ALLOW_RO_XLAT_TABLES}, 1)
911                $(error "ALLOW_RO_XLAT_TABLES requires translation tables \
912                library v2")
913	endif
914endif #(ARM_XLAT_TABLES_LIB_V1)
915
916ifneq (${DECRYPTION_SUPPORT},none)
917	ifeq (${TRUSTED_BOARD_BOOT}, 0)
918                $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT \
919                to be set)
920	endif
921endif #(DECRYPTION_SUPPORT)
922
923# Ensure that no Aarch64-only features are enabled in Aarch32 build
924ifeq (${ARCH},aarch32)
925
926	# SME/SVE only supported on AArch64
927	ifneq (${ENABLE_SME_FOR_NS},0)
928                $(error "ENABLE_SME_FOR_NS cannot be used with ARCH=aarch32")
929	endif
930
931	ifeq (${ENABLE_SVE_FOR_NS},1)
932		# Warning instead of error due to CI dependency on this
933                $(error "ENABLE_SVE_FOR_NS cannot be used with ARCH=aarch32")
934	endif
935
936	# BRBE is not supported in AArch32
937	ifeq (${ENABLE_BRBE_FOR_NS},1)
938                $(error "ENABLE_BRBE_FOR_NS cannot be used with ARCH=aarch32")
939	endif
940
941	# FEAT_RNG_TRAP is not supported in AArch32
942	ifeq (${ENABLE_FEAT_RNG_TRAP},1)
943                $(error "ENABLE_FEAT_RNG_TRAP cannot be used with ARCH=aarch32")
944	endif
945endif #(ARCH=aarch32)
946
947ifneq (${ENABLE_SME_FOR_NS},0)
948	ifeq (${ENABLE_SVE_FOR_NS},0)
949                $(error "ENABLE_SME_FOR_NS requires ENABLE_SVE_FOR_NS")
950	endif
951endif #(ENABLE_SME_FOR_NS)
952
953# Secure SME/SVE requires the non-secure component as well
954ifeq (${ENABLE_SME_FOR_SWD},1)
955	ifeq (${ENABLE_SME_FOR_NS},0)
956                $(error "ENABLE_SME_FOR_SWD requires ENABLE_SME_FOR_NS")
957	endif
958	ifeq (${ENABLE_SVE_FOR_SWD},0)
959                $(error "ENABLE_SME_FOR_SWD requires ENABLE_SVE_FOR_SWD")
960	endif
961endif #(ENABLE_SME_FOR_SWD)
962
963# Enabling SVE for SWD requires enabling SVE for NWD due to ENABLE_FEAT
964# mechanism.
965ifeq (${ENABLE_SVE_FOR_SWD},1)
966    ifeq (${ENABLE_SVE_FOR_NS},0)
967        $(error "ENABLE_SVE_FOR_SWD requires ENABLE_SVE_FOR_NS")
968    endif
969endif
970
971# Enabling SVE for both the worlds typically requires the context
972# management of SVE registers. The only exception being SPMC at S-EL2.
973ifeq (${ENABLE_SVE_FOR_SWD}, 1)
974    ifneq (${ENABLE_SVE_FOR_NS}, 0)
975        ifeq (${CTX_INCLUDE_SVE_REGS}-$(SPMD_SPM_AT_SEL2),0-0)
976            $(warning "ENABLE_SVE_FOR_SWD and ENABLE_SVE_FOR_NS together require CTX_INCLUDE_SVE_REGS")
977        endif
978    endif
979endif
980
981# Enabling SVE in either world while enabling CTX_INCLUDE_FPREGS requires
982# CTX_INCLUDE_SVE_REGS to be enabled due to architectural dependency between FP
983# and SVE registers.
984ifeq (${CTX_INCLUDE_FPREGS}, 1)
985    ifneq (${ENABLE_SVE_FOR_NS},0)
986        ifeq (${CTX_INCLUDE_SVE_REGS},0)
987	    # Warning instead of error due to CI dependency on this
988            $(warning "CTX_INCLUDE_FPREGS and ENABLE_SVE_FOR_NS together require CTX_INCLUDE_SVE_REGS")
989            $(warning "Forced ENABLE_SVE_FOR_NS=0")
990	    override ENABLE_SVE_FOR_NS	:= 0
991        endif
992    endif
993endif #(CTX_INCLUDE_FPREGS)
994
995# SVE context management is only required if secure world has access to SVE/FP
996# functionality.
997ifeq (${CTX_INCLUDE_SVE_REGS},1)
998    ifeq (${ENABLE_SVE_FOR_SWD},0)
999        $(error "CTX_INCLUDE_SVE_REGS requires ENABLE_SVE_FOR_SWD to also be enabled")
1000    endif
1001endif
1002
1003# SME cannot be used with CTX_INCLUDE_FPREGS since SPM does its own context
1004# management including FPU registers.
1005ifeq (${CTX_INCLUDE_FPREGS},1)
1006    ifneq (${ENABLE_SME_FOR_NS},0)
1007        $(error "ENABLE_SME_FOR_NS cannot be used with CTX_INCLUDE_FPREGS")
1008    endif
1009endif #(CTX_INCLUDE_FPREGS)
1010
1011ifeq ($(DRTM_SUPPORT),1)
1012        $(info DRTM_SUPPORT is an experimental feature)
1013endif
1014
1015ifeq (${TRANSFER_LIST},1)
1016        $(info TRANSFER_LIST is an experimental feature)
1017endif
1018
1019ifeq (${ENABLE_RME},1)
1020	ifneq (${SEPARATE_CODE_AND_RODATA},1)
1021                $(error `ENABLE_RME=1` requires `SEPARATE_CODE_AND_RODATA=1`)
1022	endif
1023endif
1024
1025ifeq ($(PSA_CRYPTO),1)
1026        $(info PSA_CRYPTO is an experimental feature)
1027endif
1028
1029ifeq ($(DICE_PROTECTION_ENVIRONMENT),1)
1030        $(info DICE_PROTECTION_ENVIRONMENT is an experimental feature)
1031endif
1032
1033################################################################################
1034# Process platform overrideable behaviour
1035################################################################################
1036
1037ifdef BL1_SOURCES
1038	NEED_BL1 := yes
1039endif #(BL1_SOURCES)
1040
1041ifdef BL2_SOURCES
1042	NEED_BL2 := yes
1043
1044	# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and
1045	# Certificate generation tools. This flag can be overridden by the platform.
1046	ifdef EL3_PAYLOAD_BASE
1047		# If booting an EL3 payload there is no need for a BL33 image
1048		# in the FIP file.
1049		NEED_BL33		:=	no
1050	else
1051		ifdef PRELOADED_BL33_BASE
1052			# If booting a BL33 preloaded image there is no need of
1053			# another one in the FIP file.
1054			NEED_BL33		:=	no
1055		else
1056			NEED_BL33		?=	yes
1057		endif
1058	endif
1059endif #(BL2_SOURCES)
1060
1061ifdef BL2U_SOURCES
1062	NEED_BL2U := yes
1063endif #(BL2U_SOURCES)
1064
1065# If SCP_BL2 is given, we always want FIP to include it.
1066ifdef SCP_BL2
1067	NEED_SCP_BL2		:=	yes
1068endif #(SCP_BL2)
1069
1070# For AArch32, BL31 is not currently supported.
1071ifneq (${ARCH},aarch32)
1072	ifdef BL31_SOURCES
1073	# When booting an EL3 payload, there is no need to compile the BL31
1074	# image nor put it in the FIP.
1075		ifndef EL3_PAYLOAD_BASE
1076			NEED_BL31 := yes
1077		endif
1078	endif
1079endif #(ARCH=aarch64)
1080
1081# Process TBB related flags
1082ifneq (${GENERATE_COT},0)
1083	# Common cert_create options
1084	ifneq (${CREATE_KEYS},0)
1085                $(eval CRT_ARGS += -n)
1086                $(eval FWU_CRT_ARGS += -n)
1087		ifneq (${SAVE_KEYS},0)
1088                        $(eval CRT_ARGS += -k)
1089                        $(eval FWU_CRT_ARGS += -k)
1090		endif
1091	endif
1092	# Include TBBR makefile (unless the platform indicates otherwise)
1093	ifeq (${INCLUDE_TBBR_MK},1)
1094                include make_helpers/tbbr/tbbr_tools.mk
1095	endif
1096endif #(GENERATE_COT)
1097
1098ifneq (${FIP_ALIGN},0)
1099	FIP_ARGS += --align ${FIP_ALIGN}
1100endif #(FIP_ALIGN)
1101
1102ifdef FDT_SOURCES
1103	NEED_FDT := yes
1104endif #(FDT_SOURCES)
1105
1106################################################################################
1107# Include libraries' Makefile that are used in all BL
1108################################################################################
1109
1110include lib/stack_protector/stack_protector.mk
1111
1112################################################################################
1113# Include BL specific makefiles
1114################################################################################
1115
1116ifeq (${NEED_BL1},yes)
1117include bl1/bl1.mk
1118endif
1119
1120ifeq (${NEED_BL2},yes)
1121include bl2/bl2.mk
1122endif
1123
1124ifeq (${NEED_BL2U},yes)
1125include bl2u/bl2u.mk
1126endif
1127
1128ifeq (${NEED_BL31},yes)
1129include bl31/bl31.mk
1130endif
1131
1132################################################################################
1133# Build options checks
1134################################################################################
1135
1136# Boolean_Flags
1137$(eval $(call assert_booleans,\
1138    $(sort \
1139	ALLOW_RO_XLAT_TABLES \
1140	BL2_ENABLE_SP_LOAD \
1141	COLD_BOOT_SINGLE_CPU \
1142	CREATE_KEYS \
1143	CTX_INCLUDE_AARCH32_REGS \
1144	CTX_INCLUDE_FPREGS \
1145	CTX_INCLUDE_SVE_REGS \
1146	CTX_INCLUDE_EL2_REGS \
1147	CTX_INCLUDE_MPAM_REGS \
1148	DEBUG \
1149	DYN_DISABLE_AUTH \
1150	EL3_EXCEPTION_HANDLING \
1151	ENABLE_AMU_AUXILIARY_COUNTERS \
1152	ENABLE_AMU_FCONF \
1153	AMU_RESTRICT_COUNTERS \
1154	ENABLE_ASSERTIONS \
1155	ENABLE_PIE \
1156	ENABLE_PMF \
1157	ENABLE_PSCI_STAT \
1158	ENABLE_RUNTIME_INSTRUMENTATION \
1159	ENABLE_SME_FOR_SWD \
1160	ENABLE_SVE_FOR_SWD \
1161	ENABLE_FEAT_RAS	\
1162	FFH_SUPPORT	\
1163	ERROR_DEPRECATED \
1164	FAULT_INJECTION_SUPPORT \
1165	GENERATE_COT \
1166	GICV2_G0_FOR_EL3 \
1167	HANDLE_EA_EL3_FIRST_NS \
1168	HARDEN_SLS \
1169	HW_ASSISTED_COHERENCY \
1170	MEASURED_BOOT \
1171	DICE_PROTECTION_ENVIRONMENT \
1172	RMMD_ENABLE_EL3_TOKEN_SIGN \
1173	DRTM_SUPPORT \
1174	NS_TIMER_SWITCH \
1175	OVERRIDE_LIBC \
1176	PL011_GENERIC_UART \
1177	PROGRAMMABLE_RESET_ADDRESS \
1178	PSCI_EXTENDED_STATE_ID \
1179	PSCI_OS_INIT_MODE \
1180	RESET_TO_BL31 \
1181	SAVE_KEYS \
1182	SEPARATE_CODE_AND_RODATA \
1183	SEPARATE_BL2_NOLOAD_REGION \
1184	SEPARATE_NOBITS_REGION \
1185	SEPARATE_SIMD_SECTION \
1186	SPIN_ON_BL1_EXIT \
1187	SPM_MM \
1188	SPMC_AT_EL3 \
1189	SPMC_AT_EL3_SEL0_SP \
1190	SPMD_SPM_AT_SEL2 \
1191	ENABLE_SPMD_LP \
1192	TRANSFER_LIST \
1193	TRUSTED_BOARD_BOOT \
1194	USE_COHERENT_MEM \
1195	USE_DEBUGFS \
1196	ARM_IO_IN_DTB \
1197	SDEI_IN_FCONF \
1198	SEC_INT_DESC_IN_FCONF \
1199	USE_ROMLIB \
1200	USE_TBBR_DEFS \
1201	WARMBOOT_ENABLE_DCACHE_EARLY \
1202	RESET_TO_BL2 \
1203	BL2_IN_XIP_MEM \
1204	BL2_INV_DCACHE \
1205	USE_SPINLOCK_CAS \
1206	ENCRYPT_BL31 \
1207	ENCRYPT_BL32 \
1208	ERRATA_SPECULATIVE_AT \
1209	RAS_TRAP_NS_ERR_REC_ACCESS \
1210	COT_DESC_IN_DTB \
1211	USE_SP804_TIMER \
1212	PSA_FWU_SUPPORT \
1213	PSA_FWU_METADATA_FW_STORE_DESC \
1214	ENABLE_MPMM \
1215	ENABLE_MPMM_FCONF \
1216	FEATURE_DETECTION \
1217	TRNG_SUPPORT \
1218	ERRATA_ABI_SUPPORT \
1219	ERRATA_NON_ARM_INTERCONNECT \
1220	CONDITIONAL_CMO \
1221	PSA_CRYPTO	\
1222	ENABLE_CONSOLE_GETC \
1223	INIT_UNUSED_NS_EL2	\
1224	PLATFORM_REPORT_CTX_MEM_USE \
1225	EARLY_CONSOLE \
1226	PRESERVE_DSU_PMU_REGS \
1227)))
1228
1229# Numeric_Flags
1230$(eval $(call assert_numerics,\
1231    $(sort \
1232	ARM_ARCH_MAJOR \
1233	ARM_ARCH_MINOR \
1234	BRANCH_PROTECTION \
1235	CTX_INCLUDE_PAUTH_REGS \
1236	CTX_INCLUDE_NEVE_REGS \
1237	CRYPTO_SUPPORT \
1238	DISABLE_MTPMU \
1239	ENABLE_BRBE_FOR_NS \
1240	ENABLE_TRBE_FOR_NS \
1241	ENABLE_BTI \
1242	ENABLE_PAUTH \
1243	ENABLE_FEAT_AMU \
1244	ENABLE_FEAT_AMUv1p1 \
1245	ENABLE_FEAT_CSV2_2 \
1246	ENABLE_FEAT_CSV2_3 \
1247	ENABLE_FEAT_DEBUGV8P9 \
1248	ENABLE_FEAT_DIT \
1249	ENABLE_FEAT_ECV \
1250	ENABLE_FEAT_FGT \
1251	ENABLE_FEAT_FGT2 \
1252	ENABLE_FEAT_HCX \
1253	ENABLE_FEAT_MTE2 \
1254	ENABLE_FEAT_PAN \
1255	ENABLE_FEAT_RNG \
1256	ENABLE_FEAT_RNG_TRAP \
1257	ENABLE_FEAT_SEL2 \
1258	ENABLE_FEAT_TCR2 \
1259	ENABLE_FEAT_THE \
1260	ENABLE_FEAT_SB \
1261	ENABLE_FEAT_S2PIE \
1262	ENABLE_FEAT_S1PIE \
1263	ENABLE_FEAT_S2POE \
1264	ENABLE_FEAT_S1POE \
1265	ENABLE_FEAT_SCTLR2 \
1266	ENABLE_FEAT_GCS \
1267	ENABLE_FEAT_VHE \
1268	ENABLE_FEAT_MPAM \
1269	ENABLE_RME \
1270	ENABLE_SPE_FOR_NS \
1271	ENABLE_SYS_REG_TRACE_FOR_NS \
1272	ENABLE_SME_FOR_NS \
1273	ENABLE_SME2_FOR_NS \
1274	ENABLE_SVE_FOR_NS \
1275	ENABLE_TRF_FOR_NS \
1276	FW_ENC_STATUS \
1277	NR_OF_FW_BANKS \
1278	NR_OF_IMAGES_IN_FW_BANK \
1279	TWED_DELAY \
1280	ENABLE_FEAT_TWED \
1281	SVE_VECTOR_LEN \
1282	IMPDEF_SYSREG_TRAP \
1283)))
1284
1285ifdef KEY_SIZE
1286        $(eval $(call assert_numeric,KEY_SIZE))
1287endif
1288
1289ifeq ($(filter $(SANITIZE_UB), on off trap),)
1290        $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap")
1291endif
1292
1293################################################################################
1294# Add definitions to the cpp preprocessor based on the current build options.
1295# This is done after including the platform specific makefile to allow the
1296# platform to overwrite the default options
1297################################################################################
1298
1299$(eval $(call add_defines,\
1300    $(sort \
1301	ALLOW_RO_XLAT_TABLES \
1302	ARM_ARCH_MAJOR \
1303	ARM_ARCH_MINOR \
1304	BL2_ENABLE_SP_LOAD \
1305	COLD_BOOT_SINGLE_CPU \
1306	CTX_INCLUDE_AARCH32_REGS \
1307	CTX_INCLUDE_FPREGS \
1308	CTX_INCLUDE_SVE_REGS \
1309	CTX_INCLUDE_PAUTH_REGS \
1310	CTX_INCLUDE_MPAM_REGS \
1311	EL3_EXCEPTION_HANDLING \
1312	CTX_INCLUDE_EL2_REGS \
1313	CTX_INCLUDE_NEVE_REGS \
1314	DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \
1315	DISABLE_MTPMU \
1316	ENABLE_FEAT_AMU \
1317	ENABLE_AMU_AUXILIARY_COUNTERS \
1318	ENABLE_AMU_FCONF \
1319	AMU_RESTRICT_COUNTERS \
1320	ENABLE_ASSERTIONS \
1321	ENABLE_BTI \
1322	ENABLE_FEAT_DEBUGV8P9 \
1323	ENABLE_FEAT_MPAM \
1324	ENABLE_PAUTH \
1325	ENABLE_PIE \
1326	ENABLE_PMF \
1327	ENABLE_PSCI_STAT \
1328	ENABLE_RME \
1329	RMMD_ENABLE_EL3_TOKEN_SIGN \
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_THE \
1419	ENABLE_FEAT_S2PIE \
1420	ENABLE_FEAT_S1PIE \
1421	ENABLE_FEAT_S2POE \
1422	ENABLE_FEAT_S1POE \
1423	ENABLE_FEAT_SCTLR2 \
1424	ENABLE_FEAT_GCS \
1425	ENABLE_FEAT_MTE2 \
1426	FEATURE_DETECTION \
1427	TWED_DELAY \
1428	ENABLE_FEAT_TWED \
1429	CONDITIONAL_CMO \
1430	IMPDEF_SYSREG_TRAP \
1431	SVE_VECTOR_LEN \
1432	ENABLE_SPMD_LP \
1433	PSA_CRYPTO	\
1434	ENABLE_CONSOLE_GETC \
1435	INIT_UNUSED_NS_EL2	\
1436	PLATFORM_REPORT_CTX_MEM_USE \
1437	EARLY_CONSOLE \
1438	PRESERVE_DSU_PMU_REGS \
1439)))
1440
1441ifeq (${PLATFORM_REPORT_CTX_MEM_USE}, 1)
1442ifeq (${DEBUG}, 0)
1443        $(warning "PLATFORM_REPORT_CTX_MEM_USE can be applied when DEBUG=1 only")
1444        override PLATFORM_REPORT_CTX_MEM_USE := 0
1445endif
1446endif
1447
1448ifeq (${SANITIZE_UB},trap)
1449        $(eval $(call add_define,MONITOR_TRAPS))
1450endif #(SANITIZE_UB)
1451
1452# Define the EL3_PAYLOAD_BASE flag only if it is provided.
1453ifdef EL3_PAYLOAD_BASE
1454        $(eval $(call add_define,EL3_PAYLOAD_BASE))
1455else
1456# Define the PRELOADED_BL33_BASE flag only if it is provided and
1457# EL3_PAYLOAD_BASE is not defined, as it has priority.
1458	ifdef PRELOADED_BL33_BASE
1459                $(eval $(call add_define,PRELOADED_BL33_BASE))
1460	endif
1461endif #(EL3_PAYLOAD_BASE)
1462
1463# Define the DYN_DISABLE_AUTH flag only if set.
1464ifeq (${DYN_DISABLE_AUTH},1)
1465        $(eval $(call add_define,DYN_DISABLE_AUTH))
1466endif
1467
1468ifeq ($($(ARCH)-ld-id),arm-link)
1469        $(eval $(call add_define,USE_ARM_LINK))
1470endif
1471
1472# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined
1473ifeq (${SPD},spmd)
1474ifdef SP_LAYOUT_FILE
1475	-include $(BUILD_PLAT)/sp_gen.mk
1476	FIP_DEPS += sp
1477	CRT_DEPS += sp
1478	NEED_SP_PKG := yes
1479else
1480	ifeq (${SPMD_SPM_AT_SEL2},1)
1481                $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE")
1482	endif
1483endif #(SP_LAYOUT_FILE)
1484endif #(SPD)
1485
1486################################################################################
1487# Build targets
1488################################################################################
1489
1490.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp tl fwu_fip certtool dtbs memmap doc enctool
1491.SUFFIXES:
1492
1493all: msg_start
1494
1495msg_start:
1496	$(s)echo "Building ${PLAT}"
1497
1498ifeq (${ERROR_DEPRECATED},0)
1499# Check if deprecated declarations and cpp warnings should be treated as error or not.
1500ifneq ($(filter %-clang,$($(ARCH)-cc-id)),)
1501    CPPFLAGS		+= 	-Wno-error=deprecated-declarations
1502else
1503    CPPFLAGS		+= 	-Wno-error=deprecated-declarations -Wno-error=cpp
1504endif
1505endif #(!ERROR_DEPRECATED)
1506
1507$(eval $(call MAKE_LIB,c))
1508
1509# Expand build macros for the different images
1510ifeq (${NEED_BL1},yes)
1511BL1_SOURCES := $(sort ${BL1_SOURCES})
1512$(eval $(call MAKE_BL,bl1))
1513endif #(NEED_BL1)
1514
1515ifeq (${NEED_BL2},yes)
1516
1517ifeq (${RESET_TO_BL2}, 0)
1518FIP_BL2_ARGS := tb-fw
1519endif
1520
1521BL2_SOURCES := $(sort ${BL2_SOURCES})
1522
1523$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
1524	$(eval $(call MAKE_BL,bl2,${FIP_BL2_ARGS})))
1525
1526endif #(NEED_BL2)
1527
1528ifeq (${NEED_SCP_BL2},yes)
1529$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw))
1530endif #(NEED_SCP_BL2)
1531
1532ifeq (${NEED_BL31},yes)
1533BL31_SOURCES += ${SPD_SOURCES}
1534# Sort BL31 source files to remove duplicates
1535BL31_SOURCES := $(sort ${BL31_SOURCES})
1536ifneq (${DECRYPTION_SUPPORT},none)
1537$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\
1538	$(eval $(call MAKE_BL,bl31,soc-fw,,$(ENCRYPT_BL31))))
1539else
1540$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
1541	$(eval $(call MAKE_BL,bl31,soc-fw)))
1542endif #(DECRYPTION_SUPPORT)
1543endif #(NEED_BL31)
1544
1545# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
1546# build system will call TOOL_ADD_IMG to print a warning message and abort the
1547# process. Note that the dependency on BL32 applies to the FIP only.
1548ifeq (${NEED_BL32},yes)
1549# Sort BL32 source files to remove duplicates
1550BL32_SOURCES := $(sort ${BL32_SOURCES})
1551BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
1552
1553ifneq (${DECRYPTION_SUPPORT},none)
1554$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw,,$(ENCRYPT_BL32))),\
1555	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32))))
1556else
1557$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw)),\
1558	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
1559endif #(DECRYPTION_SUPPORT)
1560endif #(NEED_BL32)
1561
1562# If RMM image is needed but RMM is not defined, Test Realm Payload (TRP)
1563# needs to be built from RMM_SOURCES.
1564ifeq (${NEED_RMM},yes)
1565# Sort RMM source files to remove duplicates
1566RMM_SOURCES := $(sort ${RMM_SOURCES})
1567BUILD_RMM := $(if $(RMM),,$(if $(RMM_SOURCES),1))
1568
1569$(if ${BUILD_RMM}, $(eval $(call MAKE_BL,rmm,rmm-fw)),\
1570	 $(eval $(call TOOL_ADD_IMG,rmm,--rmm-fw)))
1571endif #(NEED_RMM)
1572
1573# Add the BL33 image if required by the platform
1574ifeq (${NEED_BL33},yes)
1575$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
1576endif #(NEED_BL33)
1577
1578ifeq (${NEED_BL2U},yes)
1579$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\
1580	$(eval $(call MAKE_BL,bl2u,ap-fwu-cfg,FWU_)))
1581endif #(NEED_BL2U)
1582
1583# Expand build macros for the different images
1584ifeq (${NEED_FDT},yes)
1585    $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
1586endif #(NEED_FDT)
1587
1588# Add Secure Partition packages
1589ifeq (${NEED_SP_PKG},yes)
1590$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | $$(@D)/
1591	$(q)${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT} ${SP_DTS_LIST_FRAGMENT}
1592sp: $(DTBS) $(BUILD_PLAT)/sp_gen.mk $(SP_PKGS)
1593	$(s)echo
1594	$(s)echo "Built SP Images successfully"
1595	$(s)echo
1596endif #(NEED_SP_PKG)
1597
1598locate-checkpatch:
1599ifndef CHECKPATCH
1600	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1601else
1602ifeq (,$(wildcard ${CHECKPATCH}))
1603	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1604endif
1605endif #(CHECKPATCH)
1606
1607clean:
1608	$(s)echo "  CLEAN"
1609	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
1610ifdef UNIX_MK
1611	$(q)${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1612else
1613# Clear the MAKEFLAGS as we do not want
1614# to pass the gnumake flags to nmake.
1615	$(q)set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) clean
1616endif #(UNIX_MK)
1617	$(q)${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
1618	$(q)${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean
1619	$(q)${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1620
1621realclean distclean:
1622	$(s)echo "  REALCLEAN"
1623	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
1624	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
1625ifdef UNIX_MK
1626	$(q)${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1627else
1628# Clear the MAKEFLAGS as we do not want
1629# to pass the gnumake flags to nmake.
1630	$(q)set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) realclean
1631endif #(UNIX_MK)
1632	$(q)${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} realclean
1633	$(q)${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean
1634	$(q)${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1635
1636checkcodebase:		locate-checkpatch
1637	$(s)echo "  CHECKING STYLE"
1638	$(q)if test -d .git ; then						\
1639		git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' |	\
1640		while read GIT_FILE ;					\
1641		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
1642		done ;							\
1643	else								\
1644		 find . -type f -not -iwholename "*.git*"		\
1645		 -not -iwholename "*build*"				\
1646		 -not -iwholename "*libfdt*"				\
1647		 -not -iwholename "*libc*"				\
1648		 -not -iwholename "*docs*"				\
1649		 -not -iwholename "*.rst"				\
1650		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
1651	fi
1652
1653checkpatch:		locate-checkpatch
1654	$(s)echo "  CHECKING STYLE"
1655	$(q)if test -n "${CHECKPATCH_OPTS}"; then				\
1656		echo "    with ${CHECKPATCH_OPTS} option(s)";		\
1657	fi
1658	$(q)COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT});	\
1659	for commit in `git rev-list --no-merges $$COMMON_COMMIT..HEAD`;	\
1660	do								\
1661		printf "\n[*] Checking style of '$$commit'\n\n";	\
1662		( git log --format=email "$$commit~..$$commit"		\
1663			-- ${CHECK_PATHS} ;				\
1664		  git diff --format=email "$$commit~..$$commit"		\
1665			-- ${CHECK_PATHS}; ) |				\
1666			${CHECKPATCH}  ${CHECKPATCH_OPTS} - || true;	\
1667	done
1668
1669certtool: ${CRTTOOL}
1670
1671${CRTTOOL}: FORCE
1672	$(q)${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
1673	$(s)echo
1674	$(s)echo "Built $@ successfully"
1675	$(s)echo
1676
1677ifneq (${GENERATE_COT},0)
1678certificates: ${CRT_DEPS} ${CRTTOOL}
1679	$(q)${CRTTOOL} ${CRT_ARGS}
1680	$(s)echo
1681	$(s)echo "Built $@ successfully"
1682	$(s)echo "Certificates can be found in ${BUILD_PLAT}"
1683	$(s)echo
1684endif #(GENERATE_COT)
1685
1686${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
1687	$(eval ${CHECK_FIP_CMD})
1688	$(q)${FIPTOOL} create ${FIP_ARGS} $@
1689	$(q)${FIPTOOL} info $@
1690	$(s)echo
1691	$(s)echo "Built $@ successfully"
1692	$(s)echo
1693
1694ifneq (${GENERATE_COT},0)
1695fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
1696	$(q)${CRTTOOL} ${FWU_CRT_ARGS}
1697	$(s)echo
1698	$(s)echo "Built $@ successfully"
1699	$(s)echo "FWU certificates can be found in ${BUILD_PLAT}"
1700	$(s)echo
1701endif #(GENERATE_COT)
1702
1703${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
1704	$(eval ${CHECK_FWU_FIP_CMD})
1705	$(q)${FIPTOOL} create ${FWU_FIP_ARGS} $@
1706	$(q)${FIPTOOL} info $@
1707	$(s)echo
1708	$(s)echo "Built $@ successfully"
1709	$(s)echo
1710
1711fiptool: ${FIPTOOL}
1712fip: ${BUILD_PLAT}/${FIP_NAME}
1713fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
1714
1715${FIPTOOL}: FORCE
1716ifdef UNIX_MK
1717	$(q)${MAKE} PLAT=${PLAT} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} OPENSSL_DIR=${OPENSSL_DIR} DEBUG=${DEBUG} --no-print-directory -C ${FIPTOOLPATH} all
1718else
1719# Clear the MAKEFLAGS as we do not want
1720# to pass the gnumake flags to nmake.
1721	$(q)set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL))
1722endif #(UNIX_MK)
1723
1724romlib.bin: libraries FORCE
1725	$(q)${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
1726
1727memmap: all
1728ifdef UNIX_MK
1729	$(q)PYTHONPATH=${CURDIR}/tools/memory \
1730		${PYTHON} -m memory.memmap -sr ${BUILD_PLAT}
1731else
1732	$(q)set PYTHONPATH=${CURDIR}/tools/memory && \
1733		${PYTHON} -m memory.memmap -sr ${BUILD_PLAT}
1734endif
1735
1736tl: ${BUILD_PLAT}/tl.bin
1737${BUILD_PLAT}/tl.bin: ${HW_CONFIG}
1738	$(if $(host-poetry),$(q)poetry -q install)
1739	$(q)$(if $(host-poetry),poetry run )tlc create --fdt $< -s ${FW_HANDOFF_SIZE} $@
1740
1741doc:
1742	$(s)echo "  BUILD DOCUMENTATION"
1743	$(q)${MAKE} --no-print-directory -C ${DOCS_PATH} html
1744
1745enctool: ${ENCTOOL}
1746
1747${ENCTOOL}: FORCE
1748	$(q)${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} DEBUG=${DEBUG} --no-print-directory -C ${ENCTOOLPATH} all
1749	$(s)echo
1750	$(s)echo "Built $@ successfully"
1751	$(s)echo
1752
1753cscope:
1754	$(s)echo "  CSCOPE"
1755	$(q)find ${CURDIR} -name "*.[chsS]" > cscope.files
1756	$(q)cscope -b -q -k
1757
1758help:
1759	$(s)echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]"
1760	$(s)echo ""
1761	$(s)echo "PLAT is used to specify which platform you wish to build."
1762	$(s)echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
1763	$(s)echo ""
1764	$(s)echo "platform = ${PLATFORM_LIST}"
1765	$(s)echo ""
1766	$(s)echo "Please refer to the User Guide for a list of all supported options."
1767	$(s)echo "Note that the build system doesn't track dependencies for build "
1768	$(s)echo "options. Therefore, if any of the build options are changed "
1769	$(s)echo "from a previous build, a clean build must be performed."
1770	$(s)echo ""
1771	$(s)echo "Supported Targets:"
1772	$(s)echo "  all            Build all individual bootloader binaries"
1773	$(s)echo "  bl1            Build the BL1 binary"
1774	$(s)echo "  bl2            Build the BL2 binary"
1775	$(s)echo "  bl2u           Build the BL2U binary"
1776	$(s)echo "  bl31           Build the BL31 binary"
1777	$(s)echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
1778	$(s)echo "                 this builds secure payload specified by AARCH32_SP"
1779	$(s)echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
1780	$(s)echo "  fip            Build the Firmware Image Package (FIP)"
1781	$(s)echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
1782	$(s)echo "  checkcodebase  Check the coding style of the entire source tree"
1783	$(s)echo "  checkpatch     Check the coding style on changes in the current"
1784	$(s)echo "                 branch against BASE_COMMIT (default origin/master)"
1785	$(s)echo "  clean          Clean the build for the selected platform"
1786	$(s)echo "  cscope         Generate cscope index"
1787	$(s)echo "  distclean      Remove all build artifacts for all platforms"
1788	$(s)echo "  certtool       Build the Certificate generation tool"
1789	$(s)echo "  enctool        Build the Firmware encryption tool"
1790	$(s)echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
1791	$(s)echo "  sp             Build the Secure Partition Packages"
1792	$(s)echo "  sptool         Build the Secure Partition Package creation tool"
1793	$(s)echo "  dtbs           Build the Device Tree Blobs (if required for the platform)"
1794	$(s)echo "  memmap         Print the memory map of the built binaries"
1795	$(s)echo "  doc            Build html based documentation using Sphinx tool"
1796	$(s)echo ""
1797	$(s)echo "Note: most build targets require PLAT to be set to a specific platform."
1798	$(s)echo ""
1799	$(s)echo "example: build all targets for the FVP platform:"
1800	$(s)echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
1801
1802.PHONY: FORCE
1803FORCE:;
1804