xref: /rk3399_ARM-atf/Makefile (revision c89438bcea49bf9d265e6e17f1ef13e6cfc9f62b)
1#
2# Copyright (c) 2013-2025, 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			:= 12
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-rules.mk
27include ${MAKE_HELPERS_DIRECTORY}common.mk
28
29################################################################################
30# Default values for build configurations, and their dependencies
31################################################################################
32
33include ${MAKE_HELPERS_DIRECTORY}defaults.mk
34include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
35
36# To be able to set platform specific defaults
37ifneq ($(PLAT_DEFAULTS_MAKEFILE_FULL),)
38include ${PLAT_DEFAULTS_MAKEFILE_FULL}
39endif
40
41################################################################################
42# Configure the toolchains used to build TF-A and its tools
43################################################################################
44
45include ${MAKE_HELPERS_DIRECTORY}toolchain.mk
46
47# Assertions enabled for DEBUG builds by default
48ENABLE_ASSERTIONS		:= ${DEBUG}
49ENABLE_PMF			:= ${ENABLE_RUNTIME_INSTRUMENTATION}
50
51################################################################################
52# Checkpatch script options
53################################################################################
54
55CHECKCODE_ARGS		:=	--no-patch
56# Do not check the coding style on imported library files or documentation files
57INC_DRV_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
58					include/drivers/arm,		\
59					$(wildcard include/drivers/*)))
60INC_LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
61					include/lib/libfdt		\
62					include/lib/libc,		\
63					$(wildcard include/lib/*)))
64INC_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
65					include/lib			\
66					include/drivers,		\
67					$(wildcard include/*)))
68LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
69					lib/compiler-rt			\
70					lib/libfdt%			\
71					lib/libc,			\
72					lib/zlib			\
73					$(wildcard lib/*)))
74ROOT_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
75					lib				\
76					include				\
77					docs				\
78					%.rst,				\
79					$(wildcard *)))
80CHECK_PATHS		:=	${ROOT_DIRS_TO_CHECK}			\
81				${INC_DIRS_TO_CHECK}			\
82				${INC_LIB_DIRS_TO_CHECK}		\
83				${LIB_DIRS_TO_CHECK}			\
84				${INC_DRV_DIRS_TO_CHECK}		\
85				${INC_ARM_DIRS_TO_CHECK}
86
87################################################################################
88# Process build options
89################################################################################
90
91ifeq ($(verbose),)
92	CHECKCODE_ARGS	+=	--no-summary --terse
93endif
94
95################################################################################
96# Auxiliary tools (fiptool, cert_create, etc)
97################################################################################
98
99# Variables for use with Certificate Generation Tool
100CRTTOOLPATH		?=	tools/cert_create
101CRTTOOL			?=	${CRTTOOLPATH}/cert_create$(.exe)
102
103# Variables for use with Firmware Encryption Tool
104ENCTOOLPATH		?=	tools/encrypt_fw
105ENCTOOL			?=	${ENCTOOLPATH}/encrypt_fw$(.exe)
106
107# Variables for use with Firmware Image Package
108FIPTOOLPATH		?=	tools/fiptool
109FIPTOOL			?=	${FIPTOOLPATH}/fiptool$(.exe)
110
111# Variables for use with sptool
112SPTOOLPATH		?=	tools/sptool
113SPTOOL			?=	${SPTOOLPATH}/sptool.py
114SP_MK_GEN		?=	${SPTOOLPATH}/sp_mk_generator.py
115SP_DTS_LIST_FRAGMENT	?=	${BUILD_PLAT}/sp_list_fragment.dts
116
117# Variables for use with ROMLIB
118ROMLIBPATH		?=	lib/romlib
119
120# Variable for use with Python
121PYTHON			?=	python3
122
123# Variables for use with documentation build using Sphinx tool
124DOCS_PATH		?=	docs
125
126################################################################################
127# Compiler Configuration based on ARCH_MAJOR and ARCH_MINOR flags
128################################################################################
129ifeq (${ARM_ARCH_MAJOR},7)
130	target32-directive	= 	-target arm-none-eabi
131# Will set march-directive from platform configuration
132else
133	target32-directive	= 	-target armv8a-none-eabi
134endif #(ARM_ARCH_MAJOR)
135
136################################################################################
137# Get Architecture Feature Modifiers
138################################################################################
139arch-features		=	${ARM_ARCH_FEATURE}
140
141ifneq ($(filter %-clang,$($(ARCH)-cc-id)),)
142	ifeq ($($(ARCH)-cc-id),arm-clang)
143		TF_CFLAGS_aarch32	:=	-target arm-arm-none-eabi
144		TF_CFLAGS_aarch64	:=	-target aarch64-arm-none-eabi
145	else
146		TF_CFLAGS_aarch32	=	$(target32-directive)
147		TF_CFLAGS_aarch64	:=	-target aarch64-elf
148	endif
149
150else ifeq ($($(ARCH)-cc-id),gnu-gcc)
151	# Enable LTO only for aarch64
152	ifeq (${ARCH},aarch64)
153		LTO_CFLAGS	=	$(if $(filter-out 0,$(ENABLE_LTO)),-flto)
154	endif
155endif #(clang)
156
157# Process Debug flag
158$(eval $(call add_define,DEBUG))
159ifneq (${DEBUG}, 0)
160	BUILD_TYPE	:=	debug
161	TF_CFLAGS	+=	-g -gdwarf-4
162	ASFLAGS		+=	-g -Wa,-gdwarf-4
163
164	# Use LOG_LEVEL_INFO by default for debug builds
165	LOG_LEVEL	:=	40
166else
167	BUILD_TYPE	:=	release
168	# Use LOG_LEVEL_NOTICE by default for release builds
169	LOG_LEVEL	:=	20
170endif #(Debug)
171
172# Default build string (git branch and commit)
173ifeq (${BUILD_STRING},)
174	BUILD_STRING  :=  $(shell git describe --always --dirty --tags 2> /dev/null)
175endif
176VERSION_STRING    :=  v${VERSION}(${BUILD_TYPE}):${BUILD_STRING}
177
178ifeq (${AARCH32_INSTRUCTION_SET},A32)
179	TF_CFLAGS_aarch32	+=	-marm
180else ifeq (${AARCH32_INSTRUCTION_SET},T32)
181	TF_CFLAGS_aarch32	+=	-mthumb
182else
183        $(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET})
184endif #(AARCH32_INSTRUCTION_SET)
185
186TF_CFLAGS_aarch32	+=	-mno-unaligned-access
187TF_CFLAGS_aarch64	+=	-mgeneral-regs-only -mstrict-align
188
189##############################################################################
190# WARNINGS Configuration
191###############################################################################
192# General warnings
193WARNINGS		:=	-Wall -Wmissing-include-dirs -Wunused	\
194				-Wdisabled-optimization -Wvla -Wshadow	\
195				-Wredundant-decls
196# stricter warnings
197WARNINGS		+=	-Wextra -Wno-trigraphs
198# too verbose for generic build
199WARNINGS		+=	-Wno-missing-field-initializers \
200				-Wno-type-limits -Wno-sign-compare \
201# on clang this flag gets reset if -Wextra is set after it. No difference on gcc
202WARNINGS		+=	-Wno-unused-parameter
203
204# Additional warnings
205# Level 1 - infrequent warnings we should have none of
206# full -Wextra
207WARNING1 += -Wsign-compare
208WARNING1 += -Wtype-limits
209WARNING1 += -Wmissing-field-initializers
210
211# Level 2 - problematic warnings that we want
212# zlib, compiler-rt, coreboot, and mbdedtls blow up with these
213# TODO: disable just for them and move into default build
214WARNING2 += -Wold-style-definition
215WARNING2 += -Wmissing-prototypes
216WARNING2 += -Wmissing-format-attribute
217# TF-A aims to comply with this eventually. Effort too large at present
218WARNING2 += -Wundef
219# currently very involved and many platforms set this off
220WARNING2 += -Wunused-const-variable=2
221
222# Level 3 - very pedantic, frequently ignored
223WARNING3 := -Wbad-function-cast
224WARNING3 += -Waggregate-return
225WARNING3 += -Wnested-externs
226WARNING3 += -Wcast-align
227WARNING3 += -Wcast-qual
228WARNING3 += -Wconversion
229WARNING3 += -Wpacked
230WARNING3 += -Wpointer-arith
231WARNING3 += -Wswitch-default
232
233# Setting W is quite verbose and most warnings will be pre-existing issues
234# outside of the contributor's control. Don't fail the build on them so warnings
235# can be seen and hopefully addressed
236ifdef W
237	ifneq (${W},0)
238		E	 ?= 0
239	endif
240endif
241
242ifeq (${W},1)
243	WARNINGS += $(WARNING1)
244else ifeq (${W},2)
245	WARNINGS += $(WARNING1) $(WARNING2)
246else ifeq (${W},3)
247	WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3)
248endif #(W)
249
250# Compiler specific warnings
251ifeq ($(filter %-clang,$($(ARCH)-cc-id)),)
252# not using clang
253WARNINGS	+=		-Wunused-but-set-variable -Wmaybe-uninitialized	\
254				-Wpacked-bitfield-compat -Wshift-overflow=2 \
255				-Wlogical-op
256
257# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105523
258TF_CFLAGS_MIN_PAGE_SIZE	:=	$(call cc_option, --param=min-pagesize=0)
259TF_CFLAGS		+=	$(TF_CFLAGS_MIN_PAGE_SIZE)
260
261ifeq ($(HARDEN_SLS), 1)
262        TF_CFLAGS_MHARDEN_SLS	:=      $(call cc_option, -mharden-sls=all)
263        TF_CFLAGS_aarch64	+=      $(TF_CFLAGS_MHARDEN_SLS)
264endif
265
266else
267# using clang
268WARNINGS	+=		-Wshift-overflow -Wshift-sign-overflow \
269				-Wlogical-op-parentheses
270endif #(Clang Warning)
271
272ifneq (${E},0)
273	ERRORS := -Werror
274endif #(E)
275
276################################################################################
277# Compiler and Linker Directives
278################################################################################
279CPPFLAGS		=	${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc	\
280				$(ERRORS) $(WARNINGS)
281ASFLAGS			+=	$(CPPFLAGS)                 			\
282				-ffreestanding -Wa,--fatal-warnings
283TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
284				-ffunction-sections -fdata-sections		\
285				-ffreestanding -fno-common			\
286				-Os -std=gnu99
287
288ifeq (${SANITIZE_UB},on)
289	TF_CFLAGS	+=	-fsanitize=undefined -fno-sanitize-recover
290endif #(${SANITIZE_UB},on)
291
292ifeq (${SANITIZE_UB},trap)
293	TF_CFLAGS	+=	-fsanitize=undefined -fno-sanitize-recover	\
294				-fsanitize-undefined-trap-on-error
295endif #(${SANITIZE_UB},trap)
296
297GCC_V_OUTPUT		:=	$(if $($(ARCH)-cc),$(shell $($(ARCH)-cc) -v 2>&1))
298
299TF_LDFLAGS		+=	-z noexecstack
300
301# LD = armlink
302ifeq ($($(ARCH)-ld-id),arm-link)
303	TF_LDFLAGS		+=	--diag_error=warning --lto_level=O1
304	TF_LDFLAGS		+=	--remove --info=unused,unusedsymbols
305	TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
306
307# LD = gcc (used when GCC LTO is enabled)
308else ifeq ($($(ARCH)-ld-id),gnu-gcc)
309	# Pass ld options with Wl or Xlinker switches
310	TF_LDFLAGS		+=	$(call ld_option,-Xlinker --no-warn-rwx-segments)
311	TF_LDFLAGS		+=	-Wl,--fatal-warnings -O1
312	TF_LDFLAGS		+=	-Wl,--gc-sections
313
314	TF_LDFLAGS		+=	-Wl,-z,common-page-size=4096 #Configure page size constants
315	TF_LDFLAGS		+=	-Wl,-z,max-page-size=4096
316	TF_LDFLAGS		+=	-Wl,--build-id=none
317
318	ifeq ($(ENABLE_LTO),1)
319		ifeq (${ARCH},aarch64)
320			TF_LDFLAGS	+=	-flto -fuse-linker-plugin
321			TF_LDFLAGS      +=	-flto-partition=one
322		endif
323	endif #(ENABLE_LTO)
324
325# GCC automatically adds fix-cortex-a53-843419 flag when used to link
326# which breaks some builds, so disable if errata fix is not explicitly enabled
327	ifeq (${ARCH},aarch64)
328		ifneq (${ERRATA_A53_843419},1)
329			TF_LDFLAGS	+= 	-mno-fix-cortex-a53-843419
330		endif
331	endif
332	TF_LDFLAGS		+= 	-nostdlib
333	TF_LDFLAGS		+=	$(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH)))
334
335# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other
336else
337# With ld.bfd version 2.39 and newer new warnings are added. Skip those since we
338# are not loaded by a elf loader.
339	TF_LDFLAGS		+=	$(call ld_option, --no-warn-rwx-segments)
340	TF_LDFLAGS		+=	-O1
341	TF_LDFLAGS		+=	--gc-sections
342
343	TF_LDFLAGS		+=	-z common-page-size=4096 # Configure page size constants
344	TF_LDFLAGS		+=	-z max-page-size=4096
345	TF_LDFLAGS		+=	--build-id=none
346
347# ld.lld doesn't recognize the errata flags,
348# therefore don't add those in that case.
349# ld.lld reports section type mismatch warnings,
350# therefore don't add --fatal-warnings to it.
351	ifneq ($($(ARCH)-ld-id),llvm-lld)
352		TF_LDFLAGS	+=	$(TF_LDFLAGS_$(ARCH)) --fatal-warnings
353	endif
354
355endif #(LD = armlink)
356
357################################################################################
358# Setup ARCH_MAJOR/MINOR before parsing arch_features.
359################################################################################
360ifeq (${ENABLE_RME},1)
361	ARM_ARCH_MAJOR := 9
362	ARM_ARCH_MINOR := 2
363endif
364
365################################################################################
366# Common sources and include directories
367################################################################################
368include lib/compiler-rt/compiler-rt.mk
369
370# Allow overriding the timestamp, for example for reproducible builds, or to
371# synchronize timestamps across multiple projects.
372# This must be set to a C string (including quotes where applicable).
373BUILD_MESSAGE_TIMESTAMP ?= __TIME__", "__DATE__
374
375DEFINES += -DBUILD_MESSAGE_TIMESTAMP='$(BUILD_MESSAGE_TIMESTAMP)'
376DEFINES += -DBUILD_MESSAGE_VERSION_STRING='"$(VERSION_STRING)"'
377DEFINES += -DBUILD_MESSAGE_VERSION='"$(VERSION)"'
378
379BL_COMMON_SOURCES	+=	common/bl_common.c			\
380				common/tf_log.c				\
381				common/${ARCH}/debug.S			\
382				drivers/console/multi_console.c		\
383				lib/${ARCH}/cache_helpers.S		\
384				lib/${ARCH}/misc_helpers.S		\
385				lib/extensions/pmuv3/${ARCH}/pmuv3.c	\
386				plat/common/plat_bl_common.c		\
387				plat/common/plat_log_common.c		\
388				plat/common/${ARCH}/plat_common.c	\
389				plat/common/${ARCH}/platform_helpers.S	\
390				${COMPILER_RT_SRCS}
391
392ifeq ($($(ARCH)-cc-id),arm-clang)
393	BL_COMMON_SOURCES	+=	lib/${ARCH}/armclang_printf.S
394endif
395
396ifeq (${SANITIZE_UB},on)
397	BL_COMMON_SOURCES	+=	plat/common/ubsan.c
398endif
399
400INCLUDES		+=	-Iinclude				\
401				-Iinclude/arch/${ARCH}			\
402				-Iinclude/lib/cpus/${ARCH}		\
403				-Iinclude/lib/el3_runtime/${ARCH}	\
404				${PLAT_INCLUDES}			\
405				${SPD_INCLUDES}
406
407DTC_FLAGS		+=	-I dts -O dtb
408DTC_CPPFLAGS		+=	-P -nostdinc $(INCLUDES) -Ifdts -undef \
409				-x assembler-with-cpp $(DEFINES)
410
411include common/backtrace/backtrace.mk
412
413################################################################################
414# Generic definitions
415################################################################################
416
417ifeq (${BUILD_BASE},)
418     BUILD_BASE		:=	./build
419endif
420BUILD_PLAT		:=	$(abspath ${BUILD_BASE})/${PLAT}/${BUILD_TYPE}
421
422SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
423
424# Platforms providing their own TBB makefile may override this value
425INCLUDE_TBBR_MK		:=	1
426
427################################################################################
428# Include SPD Makefile if one has been specified
429################################################################################
430
431ifneq (${SPD},none)
432	ifeq (${ARCH},aarch32)
433                $(error "Error: SPD is incompatible with AArch32.")
434	endif
435
436	ifdef EL3_PAYLOAD_BASE
437                $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
438                $(warning "The SPD and its BL32 companion will be present but \
439                ignored.")
440	endif
441
442	ifeq (${SPD},spmd)
443	# SPMD is located in std_svc directory
444		SPD_DIR := std_svc
445
446		ifeq ($(SPMD_SPM_AT_SEL2),1)
447			CTX_INCLUDE_EL2_REGS := 1
448			ifeq ($(SPMC_AT_EL3),1)
449                                $(error SPM cannot be enabled in both S-EL2 and EL3.)
450			endif
451			ifeq ($(CTX_INCLUDE_SVE_REGS),1)
452                                $(error SVE context management not needed with Hafnium SPMC.)
453			endif
454		endif
455
456		ifeq ($(findstring optee_sp,$(ARM_SPMC_MANIFEST_DTS)),optee_sp)
457			DTC_CPPFLAGS	+=	-DOPTEE_SP_FW_CONFIG
458		endif
459
460		ifeq ($(findstring trusty_sp,$(ARM_SPMC_MANIFEST_DTS)),trusty_sp)
461			DTC_CPPFLAGS	+=	-DTRUSTY_SP_FW_CONFIG
462		endif
463
464		ifeq ($(TS_SP_FW_CONFIG),1)
465			DTC_CPPFLAGS	+=	-DTS_SP_FW_CONFIG
466		endif
467
468		ifneq ($(ARM_BL2_SP_LIST_DTS),)
469		DTC_CPPFLAGS += -DARM_BL2_SP_LIST_DTS=$(ARM_BL2_SP_LIST_DTS)
470		endif
471
472		ifneq ($(SP_LAYOUT_FILE),)
473		BL2_ENABLE_SP_LOAD := 1
474		endif
475
476		ifeq ($(SPMC_AT_EL3_SEL0_SP),1)
477			ifneq ($(SPMC_AT_EL3),1)
478			$(error SEL0 SP cannot be enabled without SPMC at EL3)
479			endif
480		endif
481	else
482		# All other SPDs in spd directory
483		SPD_DIR := spd
484	endif #(SPD)
485
486	# We expect to locate an spd.mk under the specified SPD directory
487	SPD_MAKE	:=	$(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk)
488
489	ifeq (${SPD_MAKE},)
490                $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located)
491	endif
492        $(info Including ${SPD_MAKE})
493        include ${SPD_MAKE}
494
495	# If there's BL32 companion for the chosen SPD, we expect that the SPD's
496	# Makefile would set NEED_BL32 to "yes". In this case, the build system
497	# supports two mutually exclusive options:
498	# * BL32 is built from source: then BL32_SOURCES must contain the list
499	#   of source files to build BL32
500	# * BL32 is a prebuilt binary: then BL32 must point to the image file
501	#   that will be included in the FIP
502	# If both BL32_SOURCES and BL32 are defined, the binary takes precedence
503	# over the sources.
504endif #(SPD=none)
505
506ifeq (${ENABLE_SPMD_LP}, 1)
507ifneq (${SPD},spmd)
508        $(error Error: ENABLE_SPMD_LP requires SPD=spmd.)
509endif
510ifeq ($(SPMC_AT_EL3),1)
511        $(error SPMC at EL3 not supported when enabling SPMD Logical partitions.)
512endif
513endif
514
515################################################################################
516# Include the platform specific Makefile after the SPD Makefile (the platform
517# makefile may use all previous definitions in this file)
518################################################################################
519include ${PLAT_MAKEFILE_FULL}
520
521################################################################################
522# Process BRANCH_PROTECTION value and set
523# Pointer Authentication and Branch Target Identification flags
524################################################################################
525ifeq (${BRANCH_PROTECTION},0)
526	# Default value turns off all types of branch protection
527	BP_OPTION := none
528else ifneq (${ARCH},aarch64)
529        $(error BRANCH_PROTECTION requires AArch64)
530else ifeq (${BRANCH_PROTECTION},1)
531	# Enables all types of branch protection features
532	BP_OPTION := standard
533	ENABLE_BTI := 1
534	ENABLE_PAUTH := 1
535else ifeq (${BRANCH_PROTECTION},2)
536	# Return address signing to its standard level
537	BP_OPTION := pac-ret
538	ENABLE_PAUTH := 1
539else ifeq (${BRANCH_PROTECTION},3)
540	# Extend the signing to include leaf functions
541	BP_OPTION := pac-ret+leaf
542	ENABLE_PAUTH := 1
543else ifeq (${BRANCH_PROTECTION},4)
544	# Turn on branch target identification mechanism
545	BP_OPTION := bti
546	ENABLE_BTI := 1
547else
548        $(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION})
549endif #(BRANCH_PROTECTION)
550
551ifeq ($(ENABLE_PAUTH),1)
552	CTX_INCLUDE_PAUTH_REGS := 1
553endif
554ifneq (${BP_OPTION},none)
555	TF_CFLAGS_aarch64	+=	-mbranch-protection=${BP_OPTION}
556endif #(BP_OPTION)
557
558# Pointer Authentication sources
559ifeq (${ENABLE_PAUTH}, 1)
560# arm/common/aarch64/arm_pauth.c contains a sample platform hook to complete the
561# Pauth support. As it's not secure, it must be reimplemented for real platforms
562	BL_COMMON_SOURCES	+=	lib/extensions/pauth/pauth_helpers.S
563endif
564
565################################################################################
566# Setup arch_features based on ARM_ARCH_MAJOR, ARM_ARCH_MINOR provided from
567# platform.
568################################################################################
569include ${MAKE_HELPERS_DIRECTORY}arch_features.mk
570
571####################################################
572# Enable required options for Memory Stack Tagging.
573####################################################
574
575# Currently, these options are enabled only for clang and armclang compiler.
576ifeq (${SUPPORT_STACK_MEMTAG},yes)
577    ifdef mem_tag_arch_support
578        # Check for armclang and clang compilers
579        ifneq ($(filter %-clang,$($(ARCH)-cc-id)),)
580        # Add "memtag" architecture feature modifier if not specified
581            ifeq ( ,$(findstring memtag,$(arch-features)))
582                arch-features	:=	$(arch-features)+memtag
583            endif	# memtag
584            ifeq ($($(ARCH)-cc-id),arm-clang)
585                TF_CFLAGS	+=	-mmemtag-stack
586            else ifeq ($($(ARCH)-cc-id),llvm-clang)
587                TF_CFLAGS	+=	-fsanitize=memtag
588            endif	# armclang
589        endif
590    else
591        $(error "Error: stack memory tagging is not supported for  \
592        architecture ${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a")
593	endif #(mem_tag_arch_support)
594endif #(SUPPORT_STACK_MEMTAG)
595
596################################################################################
597# RME dependent flags configuration, Enable optional features for RME.
598################################################################################
599# FEAT_RME
600ifeq (${ENABLE_RME},1)
601	# RME requires AARCH64
602	ifneq (${ARCH},aarch64)
603                $(error ENABLE_RME requires AArch64)
604	endif
605
606	# RME requires el2 context to be saved for now.
607	CTX_INCLUDE_EL2_REGS := 1
608	CTX_INCLUDE_AARCH32_REGS := 0
609	CTX_INCLUDE_PAUTH_REGS := 1
610
611	# RME enables CSV2_2 extension by default.
612	ENABLE_FEAT_CSV2_2 = 1
613endif #(FEAT_RME)
614
615################################################################################
616# Include rmmd Makefile if RME is enabled
617################################################################################
618ifneq (${ENABLE_RME},0)
619	ifneq (${ARCH},aarch64)
620                $(error ENABLE_RME requires AArch64)
621	endif
622	ifeq ($(SPMC_AT_EL3),1)
623                $(error SPMC_AT_EL3 and ENABLE_RME cannot both be enabled.)
624	endif
625
626	ifneq (${SPD}, none)
627		ifneq (${SPD}, spmd)
628                        $(error ENABLE_RME is incompatible with SPD=${SPD}. Use SPD=spmd)
629		endif
630	endif
631include services/std_svc/rmmd/rmmd.mk
632$(warning "RME is an experimental feature")
633endif
634
635ifeq (${CTX_INCLUDE_EL2_REGS}, 1)
636	ifeq (${SPD},none)
637		ifeq (${ENABLE_RME},0)
638                        $(error CTX_INCLUDE_EL2_REGS is available only when SPD \
639                        or RME is enabled)
640		endif
641	endif
642endif
643
644################################################################################
645# Make 128-Bit sysreg read/writes availabe when FEAT_D128 is enabled.
646################################################################################
647ifneq (${ENABLE_FEAT_D128}, 0)
648        BL_COMMON_SOURCES       +=      lib/extensions/sysreg128/sysreg128.S
649endif
650
651################################################################################
652# Platform specific Makefile might provide us ARCH_MAJOR/MINOR use that to come
653# up with appropriate march values for compiler.
654################################################################################
655include ${MAKE_HELPERS_DIRECTORY}march.mk
656
657TF_CFLAGS   +=	$(march-directive)
658ASFLAGS		+=	$(march-directive)
659
660# This internal flag is common option which is set to 1 for scenarios
661# when the BL2 is running in EL3 level. This occurs in two scenarios -
662# 4 world system running BL2 at EL3 and two world system without BL1 running
663# BL2 in EL3
664
665ifeq (${RESET_TO_BL2},1)
666	BL2_RUNS_AT_EL3	:=	1
667	ifeq (${ENABLE_RME},1)
668                $(error RESET_TO_BL2=1 and ENABLE_RME=1 configuration is not \
669                supported at the moment.)
670	endif
671else ifeq (${ENABLE_RME},1)
672	BL2_RUNS_AT_EL3	:=	1
673else
674	BL2_RUNS_AT_EL3	:=	0
675endif
676
677# This internal flag is set to 1 when Firmware First handling of External aborts
678# is required by lowe ELs. Currently only NS requires this support.
679ifeq ($(HANDLE_EA_EL3_FIRST_NS),1)
680	FFH_SUPPORT := 1
681else
682	FFH_SUPPORT := 0
683endif
684
685ifeq (${ARM_ARCH_MAJOR},7)
686include make_helpers/armv7-a-cpus.mk
687endif
688
689PIE_FOUND		:=	$(findstring --enable-default-pie,${GCC_V_OUTPUT})
690ifneq ($(PIE_FOUND),)
691	TF_CFLAGS	+=	-fno-PIE
692ifeq ($($(ARCH)-ld-id),gnu-gcc)
693	TF_LDFLAGS	+=	-no-pie
694endif
695endif #(PIE_FOUND)
696
697ifeq ($($(ARCH)-ld-id),gnu-gcc)
698	PIE_LDFLAGS	+=	-Wl,-pie -Wl,--no-dynamic-linker
699else
700	PIE_LDFLAGS	+=	-pie --no-dynamic-linker
701endif
702
703ifeq ($(ENABLE_PIE),1)
704	ifeq ($(RESET_TO_BL2),1)
705		ifneq ($(BL2_IN_XIP_MEM),1)
706			BL2_CPPFLAGS	+=	-fpie
707			BL2_CFLAGS	+=	-fpie
708			BL2_LDFLAGS	+=	$(PIE_LDFLAGS)
709		endif #(BL2_IN_XIP_MEM)
710	endif #(RESET_TO_BL2)
711	BL31_CPPFLAGS	+=	-fpie
712	BL31_CFLAGS 	+=	-fpie
713	BL31_LDFLAGS	+=	$(PIE_LDFLAGS)
714
715	BL32_CPPFLAGS	+=	-fpie
716	BL32_CFLAGS	+=	-fpie
717	BL32_LDFLAGS	+=	$(PIE_LDFLAGS)
718endif #(ENABLE_PIE)
719
720BL1_CPPFLAGS  += -DREPORT_ERRATA=${DEBUG}
721BL31_CPPFLAGS += -DREPORT_ERRATA=${DEBUG}
722BL32_CPPFLAGS += -DREPORT_ERRATA=${DEBUG}
723
724BL1_CPPFLAGS += -DIMAGE_AT_EL3
725ifeq ($(RESET_TO_BL2),1)
726	BL2_CPPFLAGS += -DIMAGE_AT_EL3
727else
728	BL2_CPPFLAGS += -DIMAGE_AT_EL1
729endif #(RESET_TO_BL2)
730
731ifeq (${ARCH},aarch64)
732	BL2U_CPPFLAGS += -DIMAGE_AT_EL1
733	BL31_CPPFLAGS += -DIMAGE_AT_EL3
734	BL32_CPPFLAGS += -DIMAGE_AT_EL1
735else
736	BL32_CPPFLAGS += -DIMAGE_AT_EL3
737endif
738
739# Include the CPU specific operations makefile, which provides default
740# values for all CPU errata workarounds and CPU specific optimisations.
741# This can be overridden by the platform.
742include lib/cpus/cpu-ops.mk
743
744################################################################################
745# Build `AARCH32_SP` as BL32 image for AArch32
746################################################################################
747ifeq (${ARCH},aarch32)
748        NEED_BL32 := yes
749
750        ifneq (${AARCH32_SP},none)
751        # We expect to locate an sp.mk under the specified AARCH32_SP directory
752		AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
753
754                ifeq (${AARCH32_SP_MAKE},)
755                        $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
756                endif
757                $(info Including ${AARCH32_SP_MAKE})
758                include ${AARCH32_SP_MAKE}
759        endif
760endif #(ARCH=aarch32)
761
762################################################################################
763# Include libc if not overridden
764################################################################################
765ifeq (${OVERRIDE_LIBC},0)
766include lib/libc/libc.mk
767endif
768
769################################################################################
770# Check incompatible options and dependencies
771################################################################################
772
773# USE_DEBUGFS experimental feature recommended only in debug builds
774ifeq (${USE_DEBUGFS},1)
775        ifeq (${DEBUG},1)
776                $(warning DEBUGFS experimental feature is enabled.)
777        else
778                $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY)
779        endif
780endif #(USE_DEBUGFS)
781
782# USE_SPINLOCK_CAS requires AArch64 build
783ifeq (${USE_SPINLOCK_CAS},1)
784        ifneq (${ARCH},aarch64)
785               $(error USE_SPINLOCK_CAS requires AArch64)
786        endif
787endif #(USE_SPINLOCK_CAS)
788
789# The cert_create tool cannot generate certificates individually, so we use the
790# target 'certificates' to create them all
791ifneq (${GENERATE_COT},0)
792        FIP_DEPS += certificates
793        FWU_FIP_DEPS += fwu_certificates
794endif
795
796ifneq (${DECRYPTION_SUPPORT},none)
797	ENC_ARGS += -f ${FW_ENC_STATUS}
798	ENC_ARGS += -k ${ENC_KEY}
799	ENC_ARGS += -n ${ENC_NONCE}
800	FIP_DEPS += enctool
801	FWU_FIP_DEPS += enctool
802endif #(DECRYPTION_SUPPORT)
803
804ifdef EL3_PAYLOAD_BASE
805	ifdef PRELOADED_BL33_BASE
806                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
807		incompatible build options. EL3_PAYLOAD_BASE has priority.")
808	endif
809	ifneq (${GENERATE_COT},0)
810                $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible \
811                build options.")
812	endif
813	ifneq (${TRUSTED_BOARD_BOOT},0)
814                $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are \
815                incompatible \ build options.")
816	endif
817endif #(EL3_PAYLOAD_BASE)
818
819ifeq (${NEED_BL33},yes)
820	ifdef EL3_PAYLOAD_BASE
821                $(warning "BL33 image is not needed when option \
822                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
823	endif
824	ifdef PRELOADED_BL33_BASE
825                $(warning "BL33 image is not needed when option \
826                PRELOADED_BL33_BASE is used and won't be added to the FIP file.")
827	endif
828endif #(NEED_BL33)
829
830# When building for systems with hardware-assisted coherency, there's no need to
831# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
832ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
833        $(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
834endif
835
836#For now, BL2_IN_XIP_MEM is only supported when RESET_TO_BL2 is 1.
837ifeq ($(RESET_TO_BL2)-$(BL2_IN_XIP_MEM),0-1)
838        $(error "BL2_IN_XIP_MEM is only supported when RESET_TO_BL2 is enabled")
839endif
840
841# RAS_EXTENSION is deprecated, provide alternate build options
842ifeq ($(RAS_EXTENSION),1)
843        $(error "RAS_EXTENSION is now deprecated, please use ENABLE_FEAT_RAS \
844        and HANDLE_EA_EL3_FIRST_NS instead")
845endif
846
847
848# When FAULT_INJECTION_SUPPORT is used, require that FEAT_RAS is enabled
849ifeq ($(FAULT_INJECTION_SUPPORT),1)
850	ifeq ($(ENABLE_FEAT_RAS),0)
851                $(error For FAULT_INJECTION_SUPPORT, ENABLE_FEAT_RAS must not be 0)
852	endif
853endif #(FAULT_INJECTION_SUPPORT)
854
855# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1
856ifeq ($(DYN_DISABLE_AUTH), 1)
857	ifeq (${TRUSTED_BOARD_BOOT}, 0)
858                $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH \
859                to be set.")
860	endif
861endif #(DYN_DISABLE_AUTH)
862
863ifeq ($(MEASURED_BOOT)-$(TRUSTED_BOARD_BOOT),1-1)
864# Support authentication verification and hash calculation
865	CRYPTO_SUPPORT := 3
866else ifeq ($(DRTM_SUPPORT)-$(TRUSTED_BOARD_BOOT),1-1)
867# Support authentication verification and hash calculation
868	CRYPTO_SUPPORT := 3
869else ifneq ($(filter 1,${MEASURED_BOOT} ${DRTM_SUPPORT}),)
870# Support hash calculation only
871	CRYPTO_SUPPORT := 2
872else ifeq (${TRUSTED_BOARD_BOOT},1)
873# Support authentication verification only
874	CRYPTO_SUPPORT := 1
875else
876	CRYPTO_SUPPORT := 0
877endif #($(MEASURED_BOOT)-$(TRUSTED_BOARD_BOOT))
878
879ifneq ($(filter 1 2 3,$(CRYPTO_SUPPORT)),)
880CRYPTO_LIB := $(BUILD_PLAT)/lib/libmbedtls.a
881endif
882
883# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled.
884ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1)
885        $(error "SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled")
886endif
887
888# If pointer authentication is used in the firmware, make sure that all the
889# registers associated to it are also saved and restored.
890# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1.
891ifeq ($(ENABLE_PAUTH),1)
892	ifeq ($(CTX_INCLUDE_PAUTH_REGS),0)
893                $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1)
894	endif
895endif #(ENABLE_PAUTH)
896
897ifeq ($(CTX_INCLUDE_PAUTH_REGS),1)
898	ifneq (${ARCH},aarch64)
899                $(error CTX_INCLUDE_PAUTH_REGS requires AArch64)
900	endif
901endif #(CTX_INCLUDE_PAUTH_REGS)
902
903ifeq ($(FEATURE_DETECTION),1)
904        $(info FEATURE_DETECTION is an experimental feature)
905endif #(FEATURE_DETECTION)
906
907ifneq ($(ENABLE_SME2_FOR_NS), 0)
908	ifeq (${ENABLE_SME_FOR_NS}, 0)
909                $(warning "ENABLE_SME2_FOR_NS requires ENABLE_SME_FOR_NS also \
910                to be set")
911                $(warning "Forced ENABLE_SME_FOR_NS=1")
912		override ENABLE_SME_FOR_NS	:= 1
913	endif
914endif #(ENABLE_SME2_FOR_NS)
915
916ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1)
917	ifeq (${ALLOW_RO_XLAT_TABLES}, 1)
918                $(error "ALLOW_RO_XLAT_TABLES requires translation tables \
919                library v2")
920	endif
921endif #(ARM_XLAT_TABLES_LIB_V1)
922
923ifneq (${DECRYPTION_SUPPORT},none)
924	ifeq (${TRUSTED_BOARD_BOOT}, 0)
925                $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT \
926                to be set)
927	endif
928endif #(DECRYPTION_SUPPORT)
929
930# Ensure that no Aarch64-only features are enabled in Aarch32 build
931ifeq (${ARCH},aarch32)
932
933	# SME/SVE only supported on AArch64
934	ifneq (${ENABLE_SME_FOR_NS},0)
935                $(error "ENABLE_SME_FOR_NS cannot be used with ARCH=aarch32")
936	endif
937
938	ifeq (${ENABLE_SVE_FOR_NS},1)
939		# Warning instead of error due to CI dependency on this
940                $(error "ENABLE_SVE_FOR_NS cannot be used with ARCH=aarch32")
941	endif
942
943	# BRBE is not supported in AArch32
944	ifeq (${ENABLE_BRBE_FOR_NS},1)
945                $(error "ENABLE_BRBE_FOR_NS cannot be used with ARCH=aarch32")
946	endif
947
948	# FEAT_RNG_TRAP is not supported in AArch32
949	ifeq (${ENABLE_FEAT_RNG_TRAP},1)
950                $(error "ENABLE_FEAT_RNG_TRAP cannot be used with ARCH=aarch32")
951	endif
952
953	ifneq (${ENABLE_FEAT_FPMR},0)
954                $(error "ENABLE_FEAT_FPMR cannot be used with ARCH=aarch32")
955	endif
956
957	ifeq (${ARCH_FEATURE_AVAILABILITY},1)
958                $(error "ARCH_FEATURE_AVAILABILITY cannot be used with ARCH=aarch32")
959	endif
960	# FEAT_MOPS is only supported on AArch64
961	ifneq (${ENABLE_FEAT_MOPS},0)
962		$(error "ENABLE_FEAT_MOPS cannot be used with ARCH=aarch32")
963	endif
964endif #(ARCH=aarch32)
965
966ifneq (${ENABLE_FEAT_FPMR},0)
967	ifeq (${ENABLE_FEAT_FGT},0)
968                $(error "ENABLE_FEAT_FPMR requires ENABLE_FEAT_FGT")
969	endif
970	ifeq (${ENABLE_FEAT_HCX},0)
971                $(error "ENABLE_FEAT_FPMR requires ENABLE_FEAT_HCX")
972	endif
973endif #(ENABLE_FEAT_FPMR)
974
975ifneq (${ENABLE_SME_FOR_NS},0)
976	ifeq (${ENABLE_SVE_FOR_NS},0)
977                $(error "ENABLE_SME_FOR_NS requires ENABLE_SVE_FOR_NS")
978	endif
979endif #(ENABLE_SME_FOR_NS)
980
981# Secure SME/SVE requires the non-secure component as well
982ifeq (${ENABLE_SME_FOR_SWD},1)
983	ifeq (${ENABLE_SME_FOR_NS},0)
984                $(error "ENABLE_SME_FOR_SWD requires ENABLE_SME_FOR_NS")
985	endif
986	ifeq (${ENABLE_SVE_FOR_SWD},0)
987                $(error "ENABLE_SME_FOR_SWD requires ENABLE_SVE_FOR_SWD")
988	endif
989endif #(ENABLE_SME_FOR_SWD)
990
991# Enabling SVE for SWD requires enabling SVE for NWD due to ENABLE_FEAT
992# mechanism.
993ifeq (${ENABLE_SVE_FOR_SWD},1)
994    ifeq (${ENABLE_SVE_FOR_NS},0)
995        $(error "ENABLE_SVE_FOR_SWD requires ENABLE_SVE_FOR_NS")
996    endif
997endif
998
999# Enabling SVE for both the worlds typically requires the context
1000# management of SVE registers. The only exception being SPMC at S-EL2.
1001ifeq (${ENABLE_SVE_FOR_SWD}, 1)
1002    ifneq (${ENABLE_SVE_FOR_NS}, 0)
1003        ifeq (${CTX_INCLUDE_SVE_REGS}-$(SPMD_SPM_AT_SEL2),0-0)
1004            $(warning "ENABLE_SVE_FOR_SWD and ENABLE_SVE_FOR_NS together require CTX_INCLUDE_SVE_REGS")
1005        endif
1006    endif
1007endif
1008
1009# Enabling SVE in either world while enabling CTX_INCLUDE_FPREGS requires
1010# CTX_INCLUDE_SVE_REGS to be enabled due to architectural dependency between FP
1011# and SVE registers.
1012ifeq (${CTX_INCLUDE_FPREGS}, 1)
1013    ifneq (${ENABLE_SVE_FOR_NS},0)
1014        ifeq (${CTX_INCLUDE_SVE_REGS},0)
1015	    # Warning instead of error due to CI dependency on this
1016            $(warning "CTX_INCLUDE_FPREGS and ENABLE_SVE_FOR_NS together require CTX_INCLUDE_SVE_REGS")
1017            $(warning "Forced ENABLE_SVE_FOR_NS=0")
1018	    override ENABLE_SVE_FOR_NS	:= 0
1019        endif
1020    endif
1021endif #(CTX_INCLUDE_FPREGS)
1022
1023# SVE context management is only required if secure world has access to SVE/FP
1024# functionality.
1025ifeq (${CTX_INCLUDE_SVE_REGS},1)
1026    ifeq (${ENABLE_SVE_FOR_SWD},0)
1027        $(error "CTX_INCLUDE_SVE_REGS requires ENABLE_SVE_FOR_SWD to also be enabled")
1028    endif
1029endif
1030
1031# SME cannot be used with CTX_INCLUDE_FPREGS since SPM does its own context
1032# management including FPU registers.
1033ifeq (${CTX_INCLUDE_FPREGS},1)
1034    ifneq (${ENABLE_SME_FOR_NS},0)
1035        $(error "ENABLE_SME_FOR_NS cannot be used with CTX_INCLUDE_FPREGS")
1036    endif
1037endif #(CTX_INCLUDE_FPREGS)
1038
1039ifeq ($(DRTM_SUPPORT),1)
1040        $(info DRTM_SUPPORT is an experimental feature)
1041endif
1042
1043ifeq (${HOB_LIST},1)
1044        $(warning HOB_LIST is an experimental feature)
1045endif
1046
1047ifeq (${TRANSFER_LIST},1)
1048        $(info TRANSFER_LIST is an experimental feature)
1049endif
1050
1051ifeq (${ENABLE_RME},1)
1052	ifneq (${SEPARATE_CODE_AND_RODATA},1)
1053                $(error `ENABLE_RME=1` requires `SEPARATE_CODE_AND_RODATA=1`)
1054	endif
1055endif
1056
1057ifeq ($(PSA_CRYPTO),1)
1058        $(info PSA_CRYPTO is an experimental feature)
1059endif
1060
1061ifeq ($(DICE_PROTECTION_ENVIRONMENT),1)
1062        $(info DICE_PROTECTION_ENVIRONMENT is an experimental feature)
1063endif
1064
1065################################################################################
1066# Process platform overrideable behaviour
1067################################################################################
1068
1069ifdef BL1_SOURCES
1070	NEED_BL1 := yes
1071endif #(BL1_SOURCES)
1072
1073ifdef BL2_SOURCES
1074	NEED_BL2 := yes
1075
1076	# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and
1077	# Certificate generation tools. This flag can be overridden by the platform.
1078	ifdef EL3_PAYLOAD_BASE
1079		# If booting an EL3 payload there is no need for a BL33 image
1080		# in the FIP file.
1081		NEED_BL33		:=	no
1082	else
1083		ifdef PRELOADED_BL33_BASE
1084			# If booting a BL33 preloaded image there is no need of
1085			# another one in the FIP file.
1086			NEED_BL33		:=	no
1087		else
1088			NEED_BL33		?=	yes
1089		endif
1090	endif
1091endif #(BL2_SOURCES)
1092
1093ifdef BL2U_SOURCES
1094	NEED_BL2U := yes
1095endif #(BL2U_SOURCES)
1096
1097# If SCP_BL2 is given, we always want FIP to include it.
1098ifdef SCP_BL2
1099	NEED_SCP_BL2		:=	yes
1100endif #(SCP_BL2)
1101
1102# For AArch32, BL31 is not currently supported.
1103ifneq (${ARCH},aarch32)
1104	ifdef BL31_SOURCES
1105	# When booting an EL3 payload, there is no need to compile the BL31
1106	# image nor put it in the FIP.
1107		ifndef EL3_PAYLOAD_BASE
1108			NEED_BL31 := yes
1109		endif
1110	endif
1111endif #(ARCH=aarch64)
1112
1113# Process TBB related flags
1114ifneq (${GENERATE_COT},0)
1115	# Common cert_create options
1116	ifneq (${CREATE_KEYS},0)
1117                $(eval CRT_ARGS += -n)
1118                $(eval FWU_CRT_ARGS += -n)
1119		ifneq (${SAVE_KEYS},0)
1120                        $(eval CRT_ARGS += -k)
1121                        $(eval FWU_CRT_ARGS += -k)
1122		endif
1123	endif
1124	# Include TBBR makefile (unless the platform indicates otherwise)
1125	ifeq (${INCLUDE_TBBR_MK},1)
1126                include make_helpers/tbbr/tbbr_tools.mk
1127	endif
1128endif #(GENERATE_COT)
1129
1130ifneq (${FIP_ALIGN},0)
1131	FIP_ARGS += --align ${FIP_ALIGN}
1132endif #(FIP_ALIGN)
1133
1134ifdef FDT_SOURCES
1135	NEED_FDT := yes
1136endif #(FDT_SOURCES)
1137
1138################################################################################
1139# Include libraries' Makefile that are used in all BL
1140################################################################################
1141
1142include lib/stack_protector/stack_protector.mk
1143
1144################################################################################
1145# Include BL specific makefiles
1146################################################################################
1147
1148ifeq (${NEED_BL1},yes)
1149include bl1/bl1.mk
1150endif
1151
1152ifeq (${NEED_BL2},yes)
1153include bl2/bl2.mk
1154endif
1155
1156ifeq (${NEED_BL2U},yes)
1157include bl2u/bl2u.mk
1158endif
1159
1160ifeq (${NEED_BL31},yes)
1161include bl31/bl31.mk
1162endif
1163
1164################################################################################
1165# Build options checks
1166################################################################################
1167
1168# Boolean_Flags
1169$(eval $(call assert_booleans,\
1170    $(sort \
1171	ALLOW_RO_XLAT_TABLES \
1172	BL2_ENABLE_SP_LOAD \
1173	COLD_BOOT_SINGLE_CPU \
1174	CREATE_KEYS \
1175	CTX_INCLUDE_AARCH32_REGS \
1176	CTX_INCLUDE_FPREGS \
1177	CTX_INCLUDE_SVE_REGS \
1178	CTX_INCLUDE_EL2_REGS \
1179	CTX_INCLUDE_MPAM_REGS \
1180	DEBUG \
1181	DYN_DISABLE_AUTH \
1182	EL3_EXCEPTION_HANDLING \
1183	ENABLE_AMU_AUXILIARY_COUNTERS \
1184	ENABLE_AMU_FCONF \
1185	AMU_RESTRICT_COUNTERS \
1186	ENABLE_ASSERTIONS \
1187	ENABLE_PIE \
1188	ENABLE_PMF \
1189	ENABLE_PSCI_STAT \
1190	ENABLE_RUNTIME_INSTRUMENTATION \
1191	ENABLE_SME_FOR_SWD \
1192	ENABLE_SVE_FOR_SWD \
1193	ENABLE_FEAT_RAS	\
1194	FFH_SUPPORT	\
1195	ERROR_DEPRECATED \
1196	FAULT_INJECTION_SUPPORT \
1197	GENERATE_COT \
1198	GICV2_G0_FOR_EL3 \
1199	HANDLE_EA_EL3_FIRST_NS \
1200	HARDEN_SLS \
1201	HW_ASSISTED_COHERENCY \
1202	MEASURED_BOOT \
1203	DICE_PROTECTION_ENVIRONMENT \
1204	RMMD_ENABLE_EL3_TOKEN_SIGN \
1205	DRTM_SUPPORT \
1206	NS_TIMER_SWITCH \
1207	OVERRIDE_LIBC \
1208	PL011_GENERIC_UART \
1209	PROGRAMMABLE_RESET_ADDRESS \
1210	PSCI_EXTENDED_STATE_ID \
1211	PSCI_OS_INIT_MODE \
1212	ARCH_FEATURE_AVAILABILITY \
1213	RESET_TO_BL31 \
1214	SAVE_KEYS \
1215	SEPARATE_CODE_AND_RODATA \
1216	SEPARATE_BL2_NOLOAD_REGION \
1217	SEPARATE_NOBITS_REGION \
1218	SEPARATE_RWDATA_REGION \
1219	SEPARATE_SIMD_SECTION \
1220	SPIN_ON_BL1_EXIT \
1221	SPM_MM \
1222	SPMC_AT_EL3 \
1223	SPMC_AT_EL3_SEL0_SP \
1224	SPMD_SPM_AT_SEL2 \
1225	ENABLE_SPMD_LP \
1226	TRANSFER_LIST \
1227	TRUSTED_BOARD_BOOT \
1228	USE_COHERENT_MEM \
1229	USE_DEBUGFS \
1230	ARM_IO_IN_DTB \
1231	SDEI_IN_FCONF \
1232	SEC_INT_DESC_IN_FCONF \
1233	USE_ROMLIB \
1234	USE_TBBR_DEFS \
1235	WARMBOOT_ENABLE_DCACHE_EARLY \
1236	RESET_TO_BL2 \
1237	BL2_IN_XIP_MEM \
1238	BL2_INV_DCACHE \
1239	USE_SPINLOCK_CAS \
1240	ENCRYPT_BL31 \
1241	ENCRYPT_BL32 \
1242	ERRATA_SPECULATIVE_AT \
1243	RAS_TRAP_NS_ERR_REC_ACCESS \
1244	COT_DESC_IN_DTB \
1245	USE_SP804_TIMER \
1246	PSA_FWU_SUPPORT \
1247	PSA_FWU_METADATA_FW_STORE_DESC \
1248	ENABLE_MPMM \
1249	ENABLE_MPMM_FCONF \
1250	FEATURE_DETECTION \
1251	TRNG_SUPPORT \
1252	ERRATA_ABI_SUPPORT \
1253	ERRATA_NON_ARM_INTERCONNECT \
1254	CONDITIONAL_CMO \
1255	PSA_CRYPTO	\
1256	ENABLE_CONSOLE_GETC \
1257	INIT_UNUSED_NS_EL2	\
1258	PLATFORM_REPORT_CTX_MEM_USE \
1259	EARLY_CONSOLE \
1260	PRESERVE_DSU_PMU_REGS \
1261	HOB_LIST \
1262)))
1263
1264# Numeric_Flags
1265$(eval $(call assert_numerics,\
1266    $(sort \
1267	ARM_ARCH_MAJOR \
1268	ARM_ARCH_MINOR \
1269	BRANCH_PROTECTION \
1270	CTX_INCLUDE_PAUTH_REGS \
1271	CTX_INCLUDE_NEVE_REGS \
1272	CRYPTO_SUPPORT \
1273	DISABLE_MTPMU \
1274	ENABLE_BRBE_FOR_NS \
1275	ENABLE_TRBE_FOR_NS \
1276	ENABLE_BTI \
1277	ENABLE_PAUTH \
1278	ENABLE_FEAT_AMU \
1279	ENABLE_FEAT_AMUv1p1 \
1280	ENABLE_FEAT_CSV2_2 \
1281	ENABLE_FEAT_CSV2_3 \
1282	ENABLE_FEAT_DEBUGV8P9 \
1283	ENABLE_FEAT_DIT \
1284	ENABLE_FEAT_ECV \
1285	ENABLE_FEAT_FGT \
1286	ENABLE_FEAT_FGT2 \
1287	ENABLE_FEAT_FPMR \
1288	ENABLE_FEAT_HCX \
1289	ENABLE_FEAT_LS64_ACCDATA \
1290	ENABLE_FEAT_MOPS \
1291	ENABLE_FEAT_MTE2 \
1292	ENABLE_FEAT_PAN \
1293	ENABLE_FEAT_RNG \
1294	ENABLE_FEAT_RNG_TRAP \
1295	ENABLE_FEAT_SEL2 \
1296	ENABLE_FEAT_TCR2 \
1297	ENABLE_FEAT_THE \
1298	ENABLE_FEAT_SB \
1299	ENABLE_FEAT_S2PIE \
1300	ENABLE_FEAT_S1PIE \
1301	ENABLE_FEAT_S2POE \
1302	ENABLE_FEAT_S1POE \
1303	ENABLE_FEAT_SCTLR2 \
1304	ENABLE_FEAT_D128 \
1305	ENABLE_FEAT_GCS \
1306	ENABLE_FEAT_VHE \
1307	ENABLE_FEAT_MPAM \
1308	ENABLE_RME \
1309	ENABLE_SPE_FOR_NS \
1310	ENABLE_SYS_REG_TRACE_FOR_NS \
1311	ENABLE_SME_FOR_NS \
1312	ENABLE_SME2_FOR_NS \
1313	ENABLE_SVE_FOR_NS \
1314	ENABLE_TRF_FOR_NS \
1315	FW_ENC_STATUS \
1316	NR_OF_FW_BANKS \
1317	NR_OF_IMAGES_IN_FW_BANK \
1318	TWED_DELAY \
1319	ENABLE_FEAT_TWED \
1320	SVE_VECTOR_LEN \
1321	IMPDEF_SYSREG_TRAP \
1322)))
1323
1324ifdef KEY_SIZE
1325        $(eval $(call assert_numeric,KEY_SIZE))
1326endif
1327
1328ifeq ($(filter $(SANITIZE_UB), on off trap),)
1329        $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap")
1330endif
1331
1332################################################################################
1333# Add definitions to the cpp preprocessor based on the current build options.
1334# This is done after including the platform specific makefile to allow the
1335# platform to overwrite the default options
1336################################################################################
1337
1338$(eval $(call add_defines,\
1339    $(sort \
1340	ALLOW_RO_XLAT_TABLES \
1341	ARM_ARCH_MAJOR \
1342	ARM_ARCH_MINOR \
1343	BL2_ENABLE_SP_LOAD \
1344	COLD_BOOT_SINGLE_CPU \
1345	CTX_INCLUDE_AARCH32_REGS \
1346	CTX_INCLUDE_FPREGS \
1347	CTX_INCLUDE_SVE_REGS \
1348	CTX_INCLUDE_PAUTH_REGS \
1349	CTX_INCLUDE_MPAM_REGS \
1350	EL3_EXCEPTION_HANDLING \
1351	CTX_INCLUDE_EL2_REGS \
1352	CTX_INCLUDE_NEVE_REGS \
1353	DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \
1354	DISABLE_MTPMU \
1355	ENABLE_FEAT_AMU \
1356	ENABLE_AMU_AUXILIARY_COUNTERS \
1357	ENABLE_AMU_FCONF \
1358	AMU_RESTRICT_COUNTERS \
1359	ENABLE_ASSERTIONS \
1360	ENABLE_BTI \
1361	ENABLE_FEAT_DEBUGV8P9 \
1362	ENABLE_FEAT_MPAM \
1363	ENABLE_PAUTH \
1364	ENABLE_PIE \
1365	ENABLE_PMF \
1366	ENABLE_PSCI_STAT \
1367	ENABLE_RME \
1368	RMMD_ENABLE_EL3_TOKEN_SIGN \
1369	ENABLE_RUNTIME_INSTRUMENTATION \
1370	ENABLE_SME_FOR_NS \
1371	ENABLE_SME2_FOR_NS \
1372	ENABLE_SME_FOR_SWD \
1373	ENABLE_SPE_FOR_NS \
1374	ENABLE_SVE_FOR_NS \
1375	ENABLE_SVE_FOR_SWD \
1376	ENABLE_FEAT_RAS \
1377	FFH_SUPPORT \
1378	ENCRYPT_BL31 \
1379	ENCRYPT_BL32 \
1380	ERROR_DEPRECATED \
1381	FAULT_INJECTION_SUPPORT \
1382	GICV2_G0_FOR_EL3 \
1383	HANDLE_EA_EL3_FIRST_NS \
1384	HW_ASSISTED_COHERENCY \
1385	LOG_LEVEL \
1386	MEASURED_BOOT \
1387	DICE_PROTECTION_ENVIRONMENT \
1388	DRTM_SUPPORT \
1389	NS_TIMER_SWITCH \
1390	PL011_GENERIC_UART \
1391	PLAT_${PLAT} \
1392	PROGRAMMABLE_RESET_ADDRESS \
1393	PSCI_EXTENDED_STATE_ID \
1394	PSCI_OS_INIT_MODE \
1395	ARCH_FEATURE_AVAILABILITY \
1396	RESET_TO_BL31 \
1397	RME_GPT_BITLOCK_BLOCK \
1398	RME_GPT_MAX_BLOCK \
1399	SEPARATE_CODE_AND_RODATA \
1400	SEPARATE_BL2_NOLOAD_REGION \
1401	SEPARATE_NOBITS_REGION \
1402	SEPARATE_RWDATA_REGION \
1403	SEPARATE_SIMD_SECTION \
1404	RECLAIM_INIT_CODE \
1405	SPD_${SPD} \
1406	SPIN_ON_BL1_EXIT \
1407	SPM_MM \
1408	SPMC_AT_EL3 \
1409	SPMC_AT_EL3_SEL0_SP \
1410	SPMD_SPM_AT_SEL2 \
1411	TRANSFER_LIST \
1412	TRUSTED_BOARD_BOOT \
1413	CRYPTO_SUPPORT \
1414	TRNG_SUPPORT \
1415	ERRATA_ABI_SUPPORT \
1416	ERRATA_NON_ARM_INTERCONNECT \
1417	USE_COHERENT_MEM \
1418	USE_DEBUGFS \
1419	ARM_IO_IN_DTB \
1420	SDEI_IN_FCONF \
1421	SEC_INT_DESC_IN_FCONF \
1422	USE_ROMLIB \
1423	USE_TBBR_DEFS \
1424	WARMBOOT_ENABLE_DCACHE_EARLY \
1425	RESET_TO_BL2 \
1426	BL2_RUNS_AT_EL3	\
1427	BL2_IN_XIP_MEM \
1428	BL2_INV_DCACHE \
1429	USE_SPINLOCK_CAS \
1430	ERRATA_SPECULATIVE_AT \
1431	RAS_TRAP_NS_ERR_REC_ACCESS \
1432	COT_DESC_IN_DTB \
1433	USE_SP804_TIMER \
1434	ENABLE_FEAT_RNG \
1435	ENABLE_FEAT_RNG_TRAP \
1436	ENABLE_FEAT_SB \
1437	ENABLE_FEAT_DIT \
1438	NR_OF_FW_BANKS \
1439	NR_OF_IMAGES_IN_FW_BANK \
1440	PSA_FWU_SUPPORT \
1441	PSA_FWU_METADATA_FW_STORE_DESC \
1442	ENABLE_BRBE_FOR_NS \
1443	ENABLE_TRBE_FOR_NS \
1444	ENABLE_SYS_REG_TRACE_FOR_NS \
1445	ENABLE_TRF_FOR_NS \
1446	ENABLE_FEAT_HCX \
1447	ENABLE_MPMM \
1448	ENABLE_MPMM_FCONF \
1449	ENABLE_FEAT_FGT \
1450	ENABLE_FEAT_FGT2 \
1451	ENABLE_FEAT_FPMR \
1452	ENABLE_FEAT_ECV \
1453	ENABLE_FEAT_AMUv1p1 \
1454	ENABLE_FEAT_SEL2 \
1455	ENABLE_FEAT_VHE \
1456	ENABLE_FEAT_CSV2_2 \
1457	ENABLE_FEAT_CSV2_3 \
1458	ENABLE_FEAT_LS64_ACCDATA \
1459	ENABLE_FEAT_PAN \
1460	ENABLE_FEAT_TCR2 \
1461	ENABLE_FEAT_THE \
1462	ENABLE_FEAT_S2PIE \
1463	ENABLE_FEAT_S1PIE \
1464	ENABLE_FEAT_S2POE \
1465	ENABLE_FEAT_S1POE \
1466	ENABLE_FEAT_SCTLR2 \
1467	ENABLE_FEAT_D128 \
1468	ENABLE_FEAT_GCS \
1469	ENABLE_FEAT_MOPS \
1470	ENABLE_FEAT_MTE2 \
1471	FEATURE_DETECTION \
1472	TWED_DELAY \
1473	ENABLE_FEAT_TWED \
1474	CONDITIONAL_CMO \
1475	IMPDEF_SYSREG_TRAP \
1476	SVE_VECTOR_LEN \
1477	ENABLE_SPMD_LP \
1478	PSA_CRYPTO	\
1479	ENABLE_CONSOLE_GETC \
1480	INIT_UNUSED_NS_EL2	\
1481	PLATFORM_REPORT_CTX_MEM_USE \
1482	EARLY_CONSOLE \
1483	PRESERVE_DSU_PMU_REGS \
1484	HOB_LIST \
1485)))
1486
1487ifeq (${PLATFORM_REPORT_CTX_MEM_USE}, 1)
1488ifeq (${DEBUG}, 0)
1489        $(warning "PLATFORM_REPORT_CTX_MEM_USE can be applied when DEBUG=1 only")
1490        override PLATFORM_REPORT_CTX_MEM_USE := 0
1491endif
1492endif
1493
1494ifeq (${SANITIZE_UB},trap)
1495        $(eval $(call add_define,MONITOR_TRAPS))
1496endif #(SANITIZE_UB)
1497
1498# Define the EL3_PAYLOAD_BASE flag only if it is provided.
1499ifdef EL3_PAYLOAD_BASE
1500        $(eval $(call add_define,EL3_PAYLOAD_BASE))
1501else
1502# Define the PRELOADED_BL33_BASE flag only if it is provided and
1503# EL3_PAYLOAD_BASE is not defined, as it has priority.
1504	ifdef PRELOADED_BL33_BASE
1505                $(eval $(call add_define,PRELOADED_BL33_BASE))
1506	endif
1507endif #(EL3_PAYLOAD_BASE)
1508
1509# Define the DYN_DISABLE_AUTH flag only if set.
1510ifeq (${DYN_DISABLE_AUTH},1)
1511        $(eval $(call add_define,DYN_DISABLE_AUTH))
1512endif
1513
1514ifeq ($($(ARCH)-ld-id),arm-link)
1515        $(eval $(call add_define,USE_ARM_LINK))
1516endif
1517
1518# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined
1519ifeq (${SPD},spmd)
1520ifdef SP_LAYOUT_FILE
1521	-include $(BUILD_PLAT)/sp_gen.mk
1522	FIP_DEPS += sp
1523	CRT_DEPS += sp
1524	NEED_SP_PKG := yes
1525else
1526	ifeq (${SPMD_SPM_AT_SEL2},1)
1527                $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE")
1528	endif
1529endif #(SP_LAYOUT_FILE)
1530endif #(SPD)
1531
1532################################################################################
1533# Build targets
1534################################################################################
1535
1536.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp tl fwu_fip certtool dtbs memmap doc enctool
1537
1538all: msg_start
1539
1540msg_start:
1541	$(s)echo "Building ${PLAT}"
1542
1543ifeq (${ERROR_DEPRECATED},0)
1544# Check if deprecated declarations and cpp warnings should be treated as error or not.
1545ifneq ($(filter %-clang,$($(ARCH)-cc-id)),)
1546    CPPFLAGS		+= 	-Wno-error=deprecated-declarations
1547else
1548    CPPFLAGS		+= 	-Wno-error=deprecated-declarations -Wno-error=cpp
1549endif
1550endif #(!ERROR_DEPRECATED)
1551
1552$(eval $(call MAKE_LIB,c))
1553
1554# Expand build macros for the different images
1555ifeq (${NEED_BL1},yes)
1556BL1_SOURCES := $(sort ${BL1_SOURCES})
1557$(eval $(call MAKE_BL,bl1))
1558endif #(NEED_BL1)
1559
1560ifeq (${NEED_BL2},yes)
1561
1562ifeq (${RESET_TO_BL2}, 0)
1563FIP_BL2_ARGS := tb-fw
1564endif
1565
1566BL2_SOURCES := $(sort ${BL2_SOURCES})
1567
1568$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
1569	$(eval $(call MAKE_BL,bl2,${FIP_BL2_ARGS})))
1570
1571endif #(NEED_BL2)
1572
1573ifeq (${NEED_SCP_BL2},yes)
1574$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw))
1575endif #(NEED_SCP_BL2)
1576
1577ifeq (${NEED_BL31},yes)
1578BL31_SOURCES += ${SPD_SOURCES}
1579# Sort BL31 source files to remove duplicates
1580BL31_SOURCES := $(sort ${BL31_SOURCES})
1581ifneq (${DECRYPTION_SUPPORT},none)
1582$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\
1583	$(eval $(call MAKE_BL,bl31,soc-fw,,$(ENCRYPT_BL31))))
1584else
1585$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
1586	$(eval $(call MAKE_BL,bl31,soc-fw)))
1587endif #(DECRYPTION_SUPPORT)
1588endif #(NEED_BL31)
1589
1590# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
1591# build system will call TOOL_ADD_IMG to print a warning message and abort the
1592# process. Note that the dependency on BL32 applies to the FIP only.
1593ifeq (${NEED_BL32},yes)
1594# Sort BL32 source files to remove duplicates
1595BL32_SOURCES := $(sort ${BL32_SOURCES})
1596BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
1597
1598ifneq (${DECRYPTION_SUPPORT},none)
1599$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw,,$(ENCRYPT_BL32))),\
1600	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32))))
1601else
1602$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw)),\
1603	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
1604endif #(DECRYPTION_SUPPORT)
1605endif #(NEED_BL32)
1606
1607# If RMM image is needed but RMM is not defined, Test Realm Payload (TRP)
1608# needs to be built from RMM_SOURCES.
1609ifeq (${NEED_RMM},yes)
1610# Sort RMM source files to remove duplicates
1611RMM_SOURCES := $(sort ${RMM_SOURCES})
1612BUILD_RMM := $(if $(RMM),,$(if $(RMM_SOURCES),1))
1613
1614$(if ${BUILD_RMM}, $(eval $(call MAKE_BL,rmm,rmm-fw)),\
1615	 $(eval $(call TOOL_ADD_IMG,rmm,--rmm-fw)))
1616endif #(NEED_RMM)
1617
1618# Add the BL33 image if required by the platform
1619ifeq (${NEED_BL33},yes)
1620$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
1621endif #(NEED_BL33)
1622
1623ifeq (${NEED_BL2U},yes)
1624$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\
1625	$(eval $(call MAKE_BL,bl2u,ap-fwu-cfg,FWU_)))
1626endif #(NEED_BL2U)
1627
1628# Expand build macros for the different images
1629ifeq (${NEED_FDT},yes)
1630    $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
1631endif #(NEED_FDT)
1632
1633# Add Secure Partition packages
1634ifeq (${NEED_SP_PKG},yes)
1635$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | $$(@D)/
1636	$(q)${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT} ${SP_DTS_LIST_FRAGMENT}
1637sp: $(DTBS) $(BUILD_PLAT)/sp_gen.mk $(SP_PKGS)
1638	$(s)echo
1639	$(s)echo "Built SP Images successfully"
1640	$(s)echo
1641endif #(NEED_SP_PKG)
1642
1643locate-checkpatch:
1644ifndef CHECKPATCH
1645	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1646else
1647ifeq (,$(wildcard ${CHECKPATCH}))
1648	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1649endif
1650endif #(CHECKPATCH)
1651
1652clean:
1653	$(s)echo "  CLEAN"
1654	$(q)rm -rf $(BUILD_PLAT)
1655	$(q)${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1656	$(q)${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
1657	$(q)${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean
1658	$(q)${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1659
1660realclean distclean:
1661	$(s)echo "  REALCLEAN"
1662	$(q)rm -rf $(BUILD_BASE)
1663	$(q)rm -rf $(CURDIR)/cscope.*
1664	$(q)${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1665	$(q)${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} realclean
1666	$(q)${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean
1667	$(q)${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1668
1669checkcodebase:		locate-checkpatch
1670	$(s)echo "  CHECKING STYLE"
1671	$(q)if test -d .git ; then						\
1672		git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' |	\
1673		while read GIT_FILE ;					\
1674		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
1675		done ;							\
1676	else								\
1677		 find . -type f -not -iwholename "*.git*"		\
1678		 -not -iwholename "*build*"				\
1679		 -not -iwholename "*libfdt*"				\
1680		 -not -iwholename "*libc*"				\
1681		 -not -iwholename "*docs*"				\
1682		 -not -iwholename "*.rst"				\
1683		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
1684	fi
1685
1686checkpatch:		locate-checkpatch
1687	$(s)echo "  CHECKING STYLE"
1688	$(q)if test -n "${CHECKPATCH_OPTS}"; then				\
1689		echo "    with ${CHECKPATCH_OPTS} option(s)";		\
1690	fi
1691	$(q)COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT});	\
1692	for commit in `git rev-list --no-merges $$COMMON_COMMIT..HEAD`;	\
1693	do								\
1694		printf "\n[*] Checking style of '$$commit'\n\n";	\
1695		( git log --format=email "$$commit~..$$commit"		\
1696			-- ${CHECK_PATHS} ;				\
1697		  git diff --format=email "$$commit~..$$commit"		\
1698			-- ${CHECK_PATHS}; ) |				\
1699			${CHECKPATCH}  ${CHECKPATCH_OPTS} - || true;	\
1700	done
1701
1702certtool: ${CRTTOOL}
1703
1704${CRTTOOL}: FORCE
1705	$(q)${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
1706	$(s)echo
1707	$(s)echo "Built $@ successfully"
1708	$(s)echo
1709
1710ifneq (${GENERATE_COT},0)
1711certificates: ${CRT_DEPS} ${CRTTOOL}
1712	$(q)${CRTTOOL} ${CRT_ARGS}
1713	$(s)echo
1714	$(s)echo "Built $@ successfully"
1715	$(s)echo "Certificates can be found in ${BUILD_PLAT}"
1716	$(s)echo
1717endif #(GENERATE_COT)
1718
1719${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
1720	$(eval ${CHECK_FIP_CMD})
1721	$(q)${FIPTOOL} create ${FIP_ARGS} $@
1722	$(q)${FIPTOOL} info $@
1723	$(s)echo
1724	$(s)echo "Built $@ successfully"
1725	$(s)echo
1726
1727ifneq (${GENERATE_COT},0)
1728fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
1729	$(q)${CRTTOOL} ${FWU_CRT_ARGS}
1730	$(s)echo
1731	$(s)echo "Built $@ successfully"
1732	$(s)echo "FWU certificates can be found in ${BUILD_PLAT}"
1733	$(s)echo
1734endif #(GENERATE_COT)
1735
1736${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
1737	$(eval ${CHECK_FWU_FIP_CMD})
1738	$(q)${FIPTOOL} create ${FWU_FIP_ARGS} $@
1739	$(q)${FIPTOOL} info $@
1740	$(s)echo
1741	$(s)echo "Built $@ successfully"
1742	$(s)echo
1743
1744fiptool: ${FIPTOOL}
1745fip: ${BUILD_PLAT}/${FIP_NAME}
1746fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
1747
1748${FIPTOOL}: FORCE
1749	$(q)${MAKE} PLAT=${PLAT} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} OPENSSL_DIR=${OPENSSL_DIR} DEBUG=${DEBUG} --no-print-directory -C ${FIPTOOLPATH} all
1750
1751$(BUILD_PLAT)/romlib/romlib.bin $(BUILD_PLAT)/lib/libwrappers.a $&: $(BUILD_PLAT)/lib/libfdt.a $(BUILD_PLAT)/lib/libc.a $(CRYPTO_LIB)
1752	$(q)${MAKE} PLAT_DIR=${PLAT_DIR} BUILD_PLAT=${BUILD_PLAT} ENABLE_BTI=${ENABLE_BTI} CRYPTO_SUPPORT=${CRYPTO_SUPPORT} ARM_ARCH_MINOR=${ARM_ARCH_MINOR} INCLUDES=$(call escape-shell,$(INCLUDES)) DEFINES=$(call escape-shell,$(DEFINES)) --no-print-directory -C ${ROMLIBPATH} all
1753
1754memmap: all
1755	$(q)PYTHONPATH=${CURDIR}/tools/memory \
1756		${PYTHON} -m memory.memmap -sr ${BUILD_PLAT}
1757
1758tl: ${BUILD_PLAT}/tl.bin
1759${BUILD_PLAT}/tl.bin: ${HW_CONFIG}
1760	$(if $(host-poetry),$(q)poetry -q install)
1761	$(q)$(if $(host-poetry),poetry run )tlc create --fdt $< -s ${FW_HANDOFF_SIZE} $@
1762
1763doc:
1764	$(s)echo "  BUILD DOCUMENTATION"
1765	$(q)${MAKE} --no-print-directory -C ${DOCS_PATH} html
1766
1767enctool: ${ENCTOOL}
1768
1769${ENCTOOL}: FORCE
1770	$(q)${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} DEBUG=${DEBUG} --no-print-directory -C ${ENCTOOLPATH} all
1771	$(s)echo
1772	$(s)echo "Built $@ successfully"
1773	$(s)echo
1774
1775cscope:
1776	$(s)echo "  CSCOPE"
1777	$(q)find ${CURDIR} -name "*.[chsS]" > cscope.files
1778	$(q)cscope -b -q -k
1779
1780help:
1781	$(s)echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]"
1782	$(s)echo ""
1783	$(s)echo "PLAT is used to specify which platform you wish to build."
1784	$(s)echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
1785	$(s)echo ""
1786	$(s)echo "platform = ${PLATFORM_LIST}"
1787	$(s)echo ""
1788	$(s)echo "Please refer to the User Guide for a list of all supported options."
1789	$(s)echo "Note that the build system doesn't track dependencies for build "
1790	$(s)echo "options. Therefore, if any of the build options are changed "
1791	$(s)echo "from a previous build, a clean build must be performed."
1792	$(s)echo ""
1793	$(s)echo "Supported Targets:"
1794	$(s)echo "  all            Build all individual bootloader binaries"
1795	$(s)echo "  bl1            Build the BL1 binary"
1796	$(s)echo "  bl2            Build the BL2 binary"
1797	$(s)echo "  bl2u           Build the BL2U binary"
1798	$(s)echo "  bl31           Build the BL31 binary"
1799	$(s)echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
1800	$(s)echo "                 this builds secure payload specified by AARCH32_SP"
1801	$(s)echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
1802	$(s)echo "  fip            Build the Firmware Image Package (FIP)"
1803	$(s)echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
1804	$(s)echo "  checkcodebase  Check the coding style of the entire source tree"
1805	$(s)echo "  checkpatch     Check the coding style on changes in the current"
1806	$(s)echo "                 branch against BASE_COMMIT (default origin/master)"
1807	$(s)echo "  clean          Clean the build for the selected platform"
1808	$(s)echo "  cscope         Generate cscope index"
1809	$(s)echo "  distclean      Remove all build artifacts for all platforms"
1810	$(s)echo "  certtool       Build the Certificate generation tool"
1811	$(s)echo "  enctool        Build the Firmware encryption tool"
1812	$(s)echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
1813	$(s)echo "  sp             Build the Secure Partition Packages"
1814	$(s)echo "  sptool         Build the Secure Partition Package creation tool"
1815	$(s)echo "  dtbs           Build the Device Tree Blobs (if required for the platform)"
1816	$(s)echo "  memmap         Print the memory map of the built binaries"
1817	$(s)echo "  doc            Build html based documentation using Sphinx tool"
1818	$(s)echo ""
1819	$(s)echo "Note: most build targets require PLAT to be set to a specific platform."
1820	$(s)echo ""
1821	$(s)echo "example: build all targets for the FVP platform:"
1822	$(s)echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
1823
1824.PHONY: FORCE
1825FORCE:;
1826