xref: /rk3399_ARM-atf/Makefile (revision d06edabfd14e0d196139fb1c780017f34366ae0d)
1#
2# Copyright (c) 2013-2023, 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			:= 9
12VERSION				:= ${VERSION_MAJOR}.${VERSION_MINOR}
13
14# Default goal is build all images
15.DEFAULT_GOAL			:= all
16
17# Avoid any implicit propagation of command line variable definitions to
18# sub-Makefiles, like CFLAGS that we reserved for the firmware images'
19# usage. Other command line options like "-s" are still propagated as usual.
20MAKEOVERRIDES =
21
22MAKE_HELPERS_DIRECTORY := make_helpers/
23include ${MAKE_HELPERS_DIRECTORY}build_macros.mk
24include ${MAKE_HELPERS_DIRECTORY}build_env.mk
25
26################################################################################
27# Default values for build configurations, and their dependencies
28################################################################################
29
30include ${MAKE_HELPERS_DIRECTORY}defaults.mk
31
32# Assertions enabled for DEBUG builds by default
33ENABLE_ASSERTIONS		:= ${DEBUG}
34ENABLE_PMF			:= ${ENABLE_RUNTIME_INSTRUMENTATION}
35PLAT				:= ${DEFAULT_PLAT}
36
37################################################################################
38# Checkpatch script options
39################################################################################
40
41CHECKCODE_ARGS		:=	--no-patch
42# Do not check the coding style on imported library files or documentation files
43INC_ARM_DIRS_TO_CHECK	:=	$(sort $(filter-out                     \
44					include/drivers/arm/cryptocell,	\
45					$(wildcard include/drivers/arm/*)))
46INC_ARM_DIRS_TO_CHECK	+=	include/drivers/arm/cryptocell/*.h
47INC_DRV_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
48					include/drivers/arm,		\
49					$(wildcard include/drivers/*)))
50INC_LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
51					include/lib/libfdt		\
52					include/lib/libc,		\
53					$(wildcard include/lib/*)))
54INC_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
55					include/lib			\
56					include/drivers,		\
57					$(wildcard include/*)))
58LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
59					lib/compiler-rt			\
60					lib/libfdt%			\
61					lib/libc,			\
62					lib/zlib			\
63					$(wildcard lib/*)))
64ROOT_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
65					lib				\
66					include				\
67					docs				\
68					%.rst,				\
69					$(wildcard *)))
70CHECK_PATHS		:=	${ROOT_DIRS_TO_CHECK}			\
71				${INC_DIRS_TO_CHECK}			\
72				${INC_LIB_DIRS_TO_CHECK}		\
73				${LIB_DIRS_TO_CHECK}			\
74				${INC_DRV_DIRS_TO_CHECK}		\
75				${INC_ARM_DIRS_TO_CHECK}
76
77################################################################################
78# Process build options
79################################################################################
80
81# Verbose flag
82ifeq (${V},0)
83	Q:=@
84	ECHO:=@echo
85	CHECKCODE_ARGS	+=	--no-summary --terse
86else
87	Q:=
88	ECHO:=$(ECHO_QUIET)
89endif
90
91ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),)
92	Q:=@
93	ECHO:=$(ECHO_QUIET)
94endif
95
96export Q ECHO
97
98################################################################################
99# Toolchain
100################################################################################
101
102HOSTCC			:=	gcc
103export HOSTCC
104
105CC			:=	${CROSS_COMPILE}gcc
106CPP			:=	${CROSS_COMPILE}cpp
107AS			:=	${CROSS_COMPILE}gcc
108AR			:=	${CROSS_COMPILE}ar
109LINKER			:=	${CROSS_COMPILE}ld
110OC			:=	${CROSS_COMPILE}objcopy
111OD			:=	${CROSS_COMPILE}objdump
112NM			:=	${CROSS_COMPILE}nm
113PP			:=	${CROSS_COMPILE}gcc -E
114DTC			:=	dtc
115
116# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH).
117ifneq ($(strip $(wildcard ${LD}.bfd) \
118	$(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),)
119LINKER			:=	${LINKER}.bfd
120endif
121
122################################################################################
123# Auxiliary tools (fiptool, cert_create, etc)
124################################################################################
125
126# Variables for use with Certificate Generation Tool
127CRTTOOLPATH		?=	tools/cert_create
128CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
129
130# Variables for use with Firmware Encryption Tool
131ENCTOOLPATH		?=	tools/encrypt_fw
132ENCTOOL			?=	${ENCTOOLPATH}/encrypt_fw${BIN_EXT}
133
134# Variables for use with Firmware Image Package
135FIPTOOLPATH		?=	tools/fiptool
136FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
137
138# Variables for use with sptool
139SPTOOLPATH		?=	tools/sptool
140SPTOOL			?=	${SPTOOLPATH}/sptool.py
141SP_MK_GEN		?=	${SPTOOLPATH}/sp_mk_generator.py
142
143# Variables for use with ROMLIB
144ROMLIBPATH		?=	lib/romlib
145
146# Variable for use with Python
147PYTHON			?=	python3
148
149# Variables for use with documentation build using Sphinx tool
150DOCS_PATH		?=	docs
151
152################################################################################
153# Process BRANCH_PROTECTION value and set
154# Pointer Authentication and Branch Target Identification flags
155################################################################################
156ifeq (${BRANCH_PROTECTION},0)
157	# Default value turns off all types of branch protection
158	BP_OPTION := none
159else ifneq (${ARCH},aarch64)
160        $(error BRANCH_PROTECTION requires AArch64)
161else ifeq (${BRANCH_PROTECTION},1)
162	# Enables all types of branch protection features
163	BP_OPTION := standard
164	ENABLE_BTI := 1
165	ENABLE_PAUTH := 1
166else ifeq (${BRANCH_PROTECTION},2)
167	# Return address signing to its standard level
168	BP_OPTION := pac-ret
169	ENABLE_PAUTH := 1
170else ifeq (${BRANCH_PROTECTION},3)
171	# Extend the signing to include leaf functions
172	BP_OPTION := pac-ret+leaf
173	ENABLE_PAUTH := 1
174else ifeq (${BRANCH_PROTECTION},4)
175	# Turn on branch target identification mechanism
176	BP_OPTION := bti
177	ENABLE_BTI := 1
178else
179        $(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION})
180endif #(BRANCH_PROTECTION)
181
182################################################################################
183# RME dependent flags configuration
184################################################################################
185# FEAT_RME
186ifeq (${ENABLE_RME},1)
187	# RME doesn't support PIE
188	ifneq (${ENABLE_PIE},0)
189                $(error ENABLE_RME does not support PIE)
190	endif
191
192	# RME doesn't support BRBE
193	ifneq (${ENABLE_BRBE_FOR_NS},0)
194                $(error ENABLE_RME does not support BRBE.)
195	endif
196
197	# RME requires AARCH64
198	ifneq (${ARCH},aarch64)
199                $(error ENABLE_RME requires AArch64)
200	endif
201
202	# RME requires el2 context to be saved for now.
203	CTX_INCLUDE_EL2_REGS := 1
204	CTX_INCLUDE_AARCH32_REGS := 0
205	ARM_ARCH_MAJOR := 8
206	ARM_ARCH_MINOR := 5
207	ENABLE_FEAT_ECV = 1
208	ENABLE_FEAT_FGT = 1
209	CTX_INCLUDE_PAUTH_REGS := 1
210
211	# RME enables CSV2_2 extension by default.
212	ENABLE_FEAT_CSV2_2 = 1
213endif #(FEAT_RME)
214
215################################################################################
216# Compiler Configuration based on ARCH_MAJOR and ARCH_MINOR flags
217################################################################################
218ifeq (${ARM_ARCH_MAJOR},7)
219	target32-directive	= 	-target arm-none-eabi
220# Will set march-directive from platform configuration
221else
222	target32-directive	= 	-target armv8a-none-eabi
223
224# Set the compiler's target architecture profile based on
225# ARM_ARCH_MAJOR ARM_ARCH_MINOR options
226	ifeq (${ARM_ARCH_MINOR},0)
227		march-directive	= 	-march=armv${ARM_ARCH_MAJOR}-a
228	else
229		march-directive	= 	-march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a
230	endif #(ARM_ARCH_MINOR)
231endif #(ARM_ARCH_MAJOR)
232
233################################################################################
234# Get Architecture Feature Modifiers
235################################################################################
236arch-features		=	${ARM_ARCH_FEATURE}
237
238####################################################
239# Enable required options for Memory Stack Tagging.
240####################################################
241
242# Memory tagging is supported in architecture Armv8.5-A AArch64 and onwards
243ifeq ($(ARCH), aarch64)
244	# Check if revision is greater than or equal to 8.5
245	ifeq "8.5" "$(word 1, $(sort 8.5 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
246		mem_tag_arch_support	= 	yes
247	endif
248endif #(ARCH=aarch64)
249
250# Currently, these options are enabled only for clang and armclang compiler.
251ifeq (${SUPPORT_STACK_MEMTAG},yes)
252	ifdef mem_tag_arch_support
253		# Check for armclang and clang compilers
254		ifneq ( ,$(filter $(notdir $(CC)),armclang clang))
255		# Add "memtag" architecture feature modifier if not specified
256			ifeq ( ,$(findstring memtag,$(arch-features)))
257				arch-features	:=	$(arch-features)+memtag
258			endif	# memtag
259			ifeq ($(notdir $(CC)),armclang)
260				TF_CFLAGS	+=	-mmemtag-stack
261			else ifeq ($(notdir $(CC)),clang)
262				TF_CFLAGS	+=	-fsanitize=memtag
263			endif	# armclang
264		endif
265	else
266                $(error "Error: stack memory tagging is not supported for  \
267                 architecture ${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a")
268	endif #(mem_tag_arch_support)
269endif #(SUPPORT_STACK_MEMTAG)
270
271# Set the compiler's architecture feature modifiers
272ifneq ($(arch-features), none)
273	# Strip "none+" from arch-features
274	arch-features	:=	$(subst none+,,$(arch-features))
275	march-directive	:=	$(march-directive)+$(arch-features)
276# Print features
277        $(info Arm Architecture Features specified: $(subst +, ,$(arch-features)))
278endif #(arch-features)
279
280ifneq ($(findstring clang,$(notdir $(CC))),)
281	ifneq ($(findstring armclang,$(notdir $(CC))),)
282		TF_CFLAGS_aarch32	:=	-target arm-arm-none-eabi $(march-directive)
283		TF_CFLAGS_aarch64	:=	-target aarch64-arm-none-eabi $(march-directive)
284		LD			:=	$(LINKER)
285	else
286		TF_CFLAGS_aarch32	=	$(target32-directive) $(march-directive)
287		TF_CFLAGS_aarch64	:=	-target aarch64-elf $(march-directive)
288		LD			:=	$(shell $(CC) --print-prog-name ld.lld)
289
290		AR			:=	$(shell $(CC) --print-prog-name llvm-ar)
291		OD			:=	$(shell $(CC) --print-prog-name llvm-objdump)
292		OC			:=	$(shell $(CC) --print-prog-name llvm-objcopy)
293	endif
294
295	CPP		:=	$(CC) -E $(TF_CFLAGS_$(ARCH))
296	PP		:=	$(CC) -E $(TF_CFLAGS_$(ARCH))
297	AS		:=	$(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH))
298else ifneq ($(findstring gcc,$(notdir $(CC))),)
299	TF_CFLAGS_aarch32	=	$(march-directive)
300	TF_CFLAGS_aarch64	=	$(march-directive)
301	ifeq ($(ENABLE_LTO),1)
302		# Enable LTO only for aarch64
303		ifeq (${ARCH},aarch64)
304			LTO_CFLAGS	=	-flto
305			# Use gcc as a wrapper for the ld, recommended for LTO
306			LINKER		:=	${CROSS_COMPILE}gcc
307		endif
308	endif
309	LD			=	$(LINKER)
310else
311	TF_CFLAGS_aarch32	=	$(march-directive)
312	TF_CFLAGS_aarch64	=	$(march-directive)
313	LD			=	$(LINKER)
314endif #(clang)
315
316# Process Debug flag
317$(eval $(call add_define,DEBUG))
318ifneq (${DEBUG}, 0)
319	BUILD_TYPE	:=	debug
320	TF_CFLAGS	+=	-g -gdwarf-4
321	ASFLAGS		+=	-g -Wa,-gdwarf-4
322
323	# Use LOG_LEVEL_INFO by default for debug builds
324	LOG_LEVEL	:=	40
325else
326	BUILD_TYPE	:=	release
327	# Use LOG_LEVEL_NOTICE by default for release builds
328	LOG_LEVEL	:=	20
329endif #(Debug)
330
331# Default build string (git branch and commit)
332ifeq (${BUILD_STRING},)
333	BUILD_STRING  :=  $(shell git describe --always --dirty --tags 2> /dev/null)
334endif
335VERSION_STRING    :=  v${VERSION}(${BUILD_TYPE}):${BUILD_STRING}
336
337ifeq (${AARCH32_INSTRUCTION_SET},A32)
338	TF_CFLAGS_aarch32	+=	-marm
339else ifeq (${AARCH32_INSTRUCTION_SET},T32)
340	TF_CFLAGS_aarch32	+=	-mthumb
341else
342        $(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET})
343endif #(AARCH32_INSTRUCTION_SET)
344
345TF_CFLAGS_aarch32	+=	-mno-unaligned-access
346TF_CFLAGS_aarch64	+=	-mgeneral-regs-only -mstrict-align
347
348ifneq (${BP_OPTION},none)
349	TF_CFLAGS_aarch64	+=	-mbranch-protection=${BP_OPTION}
350endif #(BP_OPTION)
351
352ASFLAGS		+=	$(march-directive)
353
354##############################################################################
355# WARNINGS Configuration
356###############################################################################
357# General warnings
358WARNINGS		:=	-Wall -Wmissing-include-dirs -Wunused	\
359				-Wdisabled-optimization -Wvla -Wshadow	\
360				-Wredundant-decls
361# stricter warnings
362WARNINGS		+=	-Wextra -Wno-trigraphs
363# too verbose for generic build
364WARNINGS		+=	-Wno-missing-field-initializers \
365				-Wno-type-limits -Wno-sign-compare \
366# on clang this flag gets reset if -Wextra is set after it. No difference on gcc
367WARNINGS		+=	-Wno-unused-parameter
368
369# Additional warnings
370# Level 1 - infrequent warnings we should have none of
371# full -Wextra
372WARNING1 += -Wsign-compare
373WARNING1 += -Wtype-limits
374WARNING1 += -Wmissing-field-initializers
375
376# Level 2 - problematic warnings that we want
377# zlib, compiler-rt, coreboot, and mbdedtls blow up with these
378# TODO: disable just for them and move into default build
379WARNING2 += -Wold-style-definition
380WARNING2 += -Wmissing-prototypes
381WARNING2 += -Wmissing-format-attribute
382# TF-A aims to comply with this eventually. Effort too large at present
383WARNING2 += -Wundef
384# currently very involved and many platforms set this off
385WARNING2 += -Wunused-const-variable=2
386
387# Level 3 - very pedantic, frequently ignored
388WARNING3 := -Wbad-function-cast
389WARNING3 += -Waggregate-return
390WARNING3 += -Wnested-externs
391WARNING3 += -Wcast-align
392WARNING3 += -Wcast-qual
393WARNING3 += -Wconversion
394WARNING3 += -Wpacked
395WARNING3 += -Wpointer-arith
396WARNING3 += -Wswitch-default
397
398# Setting W is quite verbose and most warnings will be pre-existing issues
399# outside of the contributor's control. Don't fail the build on them so warnings
400# can be seen and hopefully addressed
401ifdef W
402	ifneq (${W},0)
403		E	 ?= 0
404	endif
405endif
406
407ifeq (${W},1)
408	WARNINGS += $(WARNING1)
409else ifeq (${W},2)
410	WARNINGS += $(WARNING1) $(WARNING2)
411else ifeq (${W},3)
412	WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3)
413endif #(W)
414
415# Compiler specific warnings
416ifeq ($(findstring clang,$(notdir $(CC))),)
417# not using clang
418WARNINGS	+=		-Wunused-but-set-variable -Wmaybe-uninitialized	\
419				-Wpacked-bitfield-compat -Wshift-overflow=2 \
420				-Wlogical-op
421
422# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105523
423TF_CFLAGS		+= 	$(call cc_option, --param=min-pagesize=0)
424
425else
426# using clang
427WARNINGS	+=		-Wshift-overflow -Wshift-sign-overflow \
428				-Wlogical-op-parentheses
429endif #(Clang Warning)
430
431ifneq (${E},0)
432	ERRORS := -Werror
433endif #(E)
434
435################################################################################
436# Compiler and Linker Directives
437################################################################################
438CPPFLAGS		=	${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc	\
439				$(ERRORS) $(WARNINGS)
440ASFLAGS			+=	$(CPPFLAGS)                 			\
441				-ffreestanding -Wa,--fatal-warnings
442TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
443				-ffunction-sections -fdata-sections		\
444				-ffreestanding -fno-builtin -fno-common		\
445				-Os -std=gnu99
446
447ifeq (${SANITIZE_UB},on)
448	TF_CFLAGS	+=	-fsanitize=undefined -fno-sanitize-recover
449endif #(${SANITIZE_UB},on)
450
451ifeq (${SANITIZE_UB},trap)
452	TF_CFLAGS	+=	-fsanitize=undefined -fno-sanitize-recover	\
453				-fsanitize-undefined-trap-on-error
454endif #(${SANITIZE_UB},trap)
455
456GCC_V_OUTPUT		:=	$(shell $(CC) -v 2>&1)
457
458TF_LDFLAGS		+=	-z noexecstack
459
460# LD = armlink
461ifneq ($(findstring armlink,$(notdir $(LD))),)
462	TF_LDFLAGS		+=	--diag_error=warning --lto_level=O1
463	TF_LDFLAGS		+=	--remove --info=unused,unusedsymbols
464	TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
465
466# LD = gcc (used when GCC LTO is enabled)
467else ifneq ($(findstring gcc,$(notdir $(LD))),)
468	# Pass ld options with Wl or Xlinker switches
469	TF_LDFLAGS		+=	-Wl,--fatal-warnings -O1
470	TF_LDFLAGS		+=	-Wl,--gc-sections
471
472	TF_LDFLAGS		+=	-Wl,-z,common-page-size=4096 #Configure page size constants
473	TF_LDFLAGS		+=	-Wl,-z,max-page-size=4096
474
475	ifeq ($(ENABLE_LTO),1)
476		ifeq (${ARCH},aarch64)
477			TF_LDFLAGS	+=	-flto -fuse-linker-plugin
478		endif
479	endif #(ENABLE_LTO)
480
481# GCC automatically adds fix-cortex-a53-843419 flag when used to link
482# which breaks some builds, so disable if errata fix is not explicitly enabled
483	ifneq (${ERRATA_A53_843419},1)
484		TF_LDFLAGS	+= 	-mno-fix-cortex-a53-843419
485	endif
486	TF_LDFLAGS		+= 	-nostdlib
487	TF_LDFLAGS		+=	$(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH)))
488
489# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other
490else
491# With ld.bfd version 2.39 and newer new warnings are added. Skip those since we
492# are not loaded by a elf loader.
493	TF_LDFLAGS		+=	$(call ld_option, --no-warn-rwx-segments)
494	TF_LDFLAGS		+=	-O1
495	TF_LDFLAGS		+=	--gc-sections
496
497	TF_LDFLAGS		+=	-z common-page-size=4096 # Configure page size constants
498	TF_LDFLAGS		+=	-z max-page-size=4096
499
500# ld.lld doesn't recognize the errata flags,
501# therefore don't add those in that case.
502# ld.lld reports section type mismatch warnings,
503# therefore don't add --fatal-warnings to it.
504	ifeq ($(findstring ld.lld,$(notdir $(LD))),)
505		TF_LDFLAGS	+=	$(TF_LDFLAGS_$(ARCH)) --fatal-warnings
506	endif
507
508endif #(LD = armlink)
509
510DTC_FLAGS		+=	-I dts -O dtb
511DTC_CPPFLAGS		+=	-P -nostdinc -Iinclude -Ifdts -undef \
512				-x assembler-with-cpp $(DEFINES)
513
514################################################################################
515# Common sources and include directories
516################################################################################
517include ${MAKE_HELPERS_DIRECTORY}arch_features.mk
518include lib/compiler-rt/compiler-rt.mk
519
520BL_COMMON_SOURCES	+=	common/bl_common.c			\
521				common/tf_log.c				\
522				common/${ARCH}/debug.S			\
523				drivers/console/multi_console.c		\
524				lib/${ARCH}/cache_helpers.S		\
525				lib/${ARCH}/misc_helpers.S		\
526				lib/extensions/pmuv3/${ARCH}/pmuv3.c	\
527				plat/common/plat_bl_common.c		\
528				plat/common/plat_log_common.c		\
529				plat/common/${ARCH}/plat_common.c	\
530				plat/common/${ARCH}/platform_helpers.S	\
531				${COMPILER_RT_SRCS}
532
533# Pointer Authentication sources
534ifeq (${ENABLE_PAUTH}, 1)
535# arm/common/aarch64/arm_pauth.c contains a sample platform hook to complete the
536# Pauth support. As it's not secure, it must be reimplemented for real platforms
537	BL_COMMON_SOURCES	+=	lib/extensions/pauth/pauth_helpers.S
538endif
539
540ifeq ($(notdir $(CC)),armclang)
541	BL_COMMON_SOURCES	+=	lib/${ARCH}/armclang_printf.S
542endif
543
544ifeq (${SANITIZE_UB},on)
545	BL_COMMON_SOURCES	+=	plat/common/ubsan.c
546endif
547
548INCLUDES		+=	-Iinclude				\
549				-Iinclude/arch/${ARCH}			\
550				-Iinclude/lib/cpus/${ARCH}		\
551				-Iinclude/lib/el3_runtime/${ARCH}	\
552				${PLAT_INCLUDES}			\
553				${SPD_INCLUDES}
554
555include common/backtrace/backtrace.mk
556
557################################################################################
558# Generic definitions
559################################################################################
560include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
561
562ifeq (${BUILD_BASE},)
563     BUILD_BASE		:=	./build
564endif
565BUILD_PLAT		:=	$(abspath ${BUILD_BASE})/${PLAT}/${BUILD_TYPE}
566
567SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
568
569# Platforms providing their own TBB makefile may override this value
570INCLUDE_TBBR_MK		:=	1
571
572################################################################################
573# Include SPD Makefile if one has been specified
574################################################################################
575
576ifneq (${SPD},none)
577	ifeq (${ARCH},aarch32)
578                $(error "Error: SPD is incompatible with AArch32.")
579	endif
580
581	ifdef EL3_PAYLOAD_BASE
582                $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
583                $(warning "The SPD and its BL32 companion will be present but \
584                ignored.")
585	endif
586
587	ifeq (${SPD},spmd)
588	# SPMD is located in std_svc directory
589		SPD_DIR := std_svc
590
591		ifeq ($(SPMD_SPM_AT_SEL2),1)
592			CTX_INCLUDE_EL2_REGS := 1
593			ifeq ($(SPMC_AT_EL3),1)
594                                $(error SPM cannot be enabled in both S-EL2 and EL3.)
595			endif
596		endif
597
598		ifeq ($(findstring optee_sp,$(ARM_SPMC_MANIFEST_DTS)),optee_sp)
599			DTC_CPPFLAGS	+=	-DOPTEE_SP_FW_CONFIG
600		endif
601
602		ifeq ($(TS_SP_FW_CONFIG),1)
603		DTC_CPPFLAGS	+=	-DTS_SP_FW_CONFIG
604		endif
605
606		ifneq ($(ARM_BL2_SP_LIST_DTS),)
607		DTC_CPPFLAGS += -DARM_BL2_SP_LIST_DTS=$(ARM_BL2_SP_LIST_DTS)
608		endif
609
610		ifneq ($(SP_LAYOUT_FILE),)
611		BL2_ENABLE_SP_LOAD := 1
612		endif
613	else
614		# All other SPDs in spd directory
615		SPD_DIR := spd
616	endif #(SPD)
617
618	# We expect to locate an spd.mk under the specified SPD directory
619	SPD_MAKE	:=	$(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk)
620
621	ifeq (${SPD_MAKE},)
622                $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located)
623	endif
624        $(info Including ${SPD_MAKE})
625        include ${SPD_MAKE}
626
627	# If there's BL32 companion for the chosen SPD, we expect that the SPD's
628	# Makefile would set NEED_BL32 to "yes". In this case, the build system
629	# supports two mutually exclusive options:
630	# * BL32 is built from source: then BL32_SOURCES must contain the list
631	#   of source files to build BL32
632	# * BL32 is a prebuilt binary: then BL32 must point to the image file
633	#   that will be included in the FIP
634	# If both BL32_SOURCES and BL32 are defined, the binary takes precedence
635	# over the sources.
636endif #(SPD=none)
637
638ifeq (${CTX_INCLUDE_EL2_REGS}, 1)
639	ifeq (${SPD},none)
640		ifeq (${ENABLE_RME},0)
641                        $(error CTX_INCLUDE_EL2_REGS is available only when SPD \
642                        or RME is enabled)
643		endif
644	endif
645endif
646
647################################################################################
648# Include rmmd Makefile if RME is enabled
649################################################################################
650ifneq (${ENABLE_RME},0)
651	ifneq (${ARCH},aarch64)
652                $(error ENABLE_RME requires AArch64)
653	endif
654	ifeq ($(SPMC_AT_EL3),1)
655                $(error SPMC_AT_EL3 and ENABLE_RME cannot both be enabled.)
656	endif
657
658	ifneq (${SPD}, none)
659		ifneq (${SPD}, spmd)
660                        $(error ENABLE_RME is incompatible with SPD=${SPD}. Use SPD=spmd)
661		endif
662	endif
663include services/std_svc/rmmd/rmmd.mk
664$(warning "RME is an experimental feature")
665endif
666
667################################################################################
668# Include the platform specific Makefile after the SPD Makefile (the platform
669# makefile may use all previous definitions in this file)
670################################################################################
671
672include ${PLAT_MAKEFILE_FULL}
673
674# This internal flag is common option which is set to 1 for scenarios
675# when the BL2 is running in EL3 level. This occurs in two scenarios -
676# 4 world system running BL2 at EL3 and two world system without BL1 running
677# BL2 in EL3
678
679ifeq (${RESET_TO_BL2},1)
680	BL2_RUNS_AT_EL3	:=	1
681	ifeq (${ENABLE_RME},1)
682                $(error RESET_TO_BL2=1 and ENABLE_RME=1 configuration is not \
683                supported at the moment.)
684	endif
685else ifeq (${ENABLE_RME},1)
686	BL2_RUNS_AT_EL3	:=	1
687else
688	BL2_RUNS_AT_EL3	:=	0
689endif
690
691$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT}))
692
693ifeq (${ARM_ARCH_MAJOR},7)
694include make_helpers/armv7-a-cpus.mk
695endif
696
697PIE_FOUND		:=	$(findstring --enable-default-pie,${GCC_V_OUTPUT})
698ifneq ($(PIE_FOUND),)
699	TF_CFLAGS	+=	-fno-PIE
700ifneq ($(findstring gcc,$(notdir $(LD))),)
701	TF_LDFLAGS	+=	-no-pie
702endif
703endif #(PIE_FOUND)
704
705ifneq ($(findstring gcc,$(notdir $(LD))),)
706	PIE_LDFLAGS	+=	-Wl,-pie -Wl,--no-dynamic-linker
707else
708	PIE_LDFLAGS	+=	-pie --no-dynamic-linker
709endif
710
711ifeq ($(ENABLE_PIE),1)
712	ifeq ($(RESET_TO_BL2),1)
713		ifneq ($(BL2_IN_XIP_MEM),1)
714			BL2_CPPFLAGS	+=	-fpie
715			BL2_CFLAGS	+=	-fpie
716			BL2_LDFLAGS	+=	$(PIE_LDFLAGS)
717		endif #(BL2_IN_XIP_MEM)
718	endif #(RESET_TO_BL2)
719	BL31_CPPFLAGS	+=	-fpie
720	BL31_CFLAGS 	+=	-fpie
721	BL31_LDFLAGS	+=	$(PIE_LDFLAGS)
722
723	BL32_CPPFLAGS	+=	-fpie
724	BL32_CFLAGS	+=	-fpie
725	BL32_LDFLAGS	+=	$(PIE_LDFLAGS)
726endif #(ENABLE_PIE)
727
728BL1_CPPFLAGS  += -DREPORT_ERRATA=${DEBUG}
729BL31_CPPFLAGS += -DREPORT_ERRATA=${DEBUG}
730BL32_CPPFLAGS += -DREPORT_ERRATA=${DEBUG}
731
732BL1_CPPFLAGS += -DIMAGE_AT_EL3
733ifeq ($(RESET_TO_BL2),1)
734	BL2_CPPFLAGS += -DIMAGE_AT_EL3
735else
736	BL2_CPPFLAGS += -DIMAGE_AT_EL1
737endif #(RESET_TO_BL2)
738
739ifeq (${ARCH},aarch64)
740	BL2U_CPPFLAGS += -DIMAGE_AT_EL1
741	BL31_CPPFLAGS += -DIMAGE_AT_EL3
742	BL32_CPPFLAGS += -DIMAGE_AT_EL1
743else
744	BL32_CPPFLAGS += -DIMAGE_AT_EL3
745endif
746
747# Include the CPU specific operations makefile, which provides default
748# values for all CPU errata workarounds and CPU specific optimisations.
749# This can be overridden by the platform.
750include lib/cpus/cpu-ops.mk
751
752################################################################################
753# Build `AARCH32_SP` as BL32 image for AArch32
754################################################################################
755ifeq (${ARCH},aarch32)
756        NEED_BL32 := yes
757
758        ifneq (${AARCH32_SP},none)
759        # We expect to locate an sp.mk under the specified AARCH32_SP directory
760		AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
761
762                ifeq (${AARCH32_SP_MAKE},)
763                        $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
764                endif
765        $(info Including ${AARCH32_SP_MAKE})
766        include ${AARCH32_SP_MAKE}
767        endif
768endif #(ARCH=aarch32)
769
770################################################################################
771# Include libc if not overridden
772################################################################################
773ifeq (${OVERRIDE_LIBC},0)
774include lib/libc/libc.mk
775endif
776
777################################################################################
778# Check incompatible options and dependencies
779################################################################################
780
781# USE_DEBUGFS experimental feature recommended only in debug builds
782ifeq (${USE_DEBUGFS},1)
783        ifeq (${DEBUG},1)
784                $(warning DEBUGFS experimental feature is enabled.)
785        else
786                $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY)
787        endif
788endif #(USE_DEBUGFS)
789
790# USE_SPINLOCK_CAS requires AArch64 build
791ifeq (${USE_SPINLOCK_CAS},1)
792        ifneq (${ARCH},aarch64)
793               $(error USE_SPINLOCK_CAS requires AArch64)
794        endif
795endif #(USE_SPINLOCK_CAS)
796
797# The cert_create tool cannot generate certificates individually, so we use the
798# target 'certificates' to create them all
799ifneq (${GENERATE_COT},0)
800        FIP_DEPS += certificates
801        FWU_FIP_DEPS += fwu_certificates
802endif
803
804ifneq (${DECRYPTION_SUPPORT},none)
805	ENC_ARGS += -f ${FW_ENC_STATUS}
806	ENC_ARGS += -k ${ENC_KEY}
807	ENC_ARGS += -n ${ENC_NONCE}
808	FIP_DEPS += enctool
809	FWU_FIP_DEPS += enctool
810endif #(DECRYPTION_SUPPORT)
811
812ifdef EL3_PAYLOAD_BASE
813	ifdef PRELOADED_BL33_BASE
814                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
815		incompatible build options. EL3_PAYLOAD_BASE has priority.")
816	endif
817	ifneq (${GENERATE_COT},0)
818                $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible \
819                build options.")
820	endif
821	ifneq (${TRUSTED_BOARD_BOOT},0)
822                $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are \
823                incompatible \ build options.")
824	endif
825endif #(EL3_PAYLOAD_BASE)
826
827ifeq (${NEED_BL33},yes)
828	ifdef EL3_PAYLOAD_BASE
829                $(warning "BL33 image is not needed when option \
830                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
831	endif
832	ifdef PRELOADED_BL33_BASE
833                $(warning "BL33 image is not needed when option \
834                PRELOADED_BL33_BASE is used and won't be added to the FIP file.")
835	endif
836endif #(NEED_BL33)
837
838# When building for systems with hardware-assisted coherency, there's no need to
839# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
840ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
841        $(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
842endif
843
844#For now, BL2_IN_XIP_MEM is only supported when RESET_TO_BL2 is 1.
845ifeq ($(RESET_TO_BL2)-$(BL2_IN_XIP_MEM),0-1)
846        $(error "BL2_IN_XIP_MEM is only supported when RESET_TO_BL2 is enabled")
847endif
848
849# RAS_EXTENSION is deprecated, provide alternate build options
850ifeq ($(RAS_EXTENSION),1)
851        $(error "RAS_EXTENSION is now deprecated, please use ENABLE_FEAT_RAS \
852        and RAS_FFH_SUPPORT instead")
853endif
854
855# RAS firmware first handling requires that EAs are handled in EL3 first
856ifeq ($(RAS_FFH_SUPPORT),1)
857	ifneq ($(ENABLE_FEAT_RAS),1)
858                $(error For RAS_FFH_SUPPORT, ENABLE_FEAT_RAS must also be 1)
859	endif
860	ifneq ($(HANDLE_EA_EL3_FIRST_NS),1)
861                $(error For RAS_FFH_SUPPORT, HANDLE_EA_EL3_FIRST_NS must also be 1)
862	endif
863endif #(RAS_FFH_SUPPORT)
864
865# When FAULT_INJECTION_SUPPORT is used, require that FEAT_RAS is enabled
866ifeq ($(FAULT_INJECTION_SUPPORT),1)
867	ifeq ($(ENABLE_FEAT_RAS),0)
868                $(error For FAULT_INJECTION_SUPPORT, ENABLE_FEAT_RAS must not be 0)
869	endif
870endif #(FAULT_INJECTION_SUPPORT)
871
872# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1
873ifeq ($(DYN_DISABLE_AUTH), 1)
874	ifeq (${TRUSTED_BOARD_BOOT}, 0)
875                $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH \
876                to be set.")
877	endif
878endif #(DYN_DISABLE_AUTH)
879
880ifeq ($(MEASURED_BOOT)-$(TRUSTED_BOARD_BOOT),1-1)
881# Support authentication verification and hash calculation
882	CRYPTO_SUPPORT := 3
883else ifeq ($(DRTM_SUPPORT)-$(TRUSTED_BOARD_BOOT),1-1)
884# Support authentication verification and hash calculation
885	CRYPTO_SUPPORT := 3
886else ifneq ($(filter 1,${MEASURED_BOOT} ${DRTM_SUPPORT}),)
887# Support hash calculation only
888	CRYPTO_SUPPORT := 2
889else ifeq (${TRUSTED_BOARD_BOOT},1)
890# Support authentication verification only
891	CRYPTO_SUPPORT := 1
892else
893	CRYPTO_SUPPORT := 0
894endif #($(MEASURED_BOOT)-$(TRUSTED_BOARD_BOOT))
895
896# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled.
897ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1)
898        $(error "SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled")
899endif
900
901# If pointer authentication is used in the firmware, make sure that all the
902# registers associated to it are also saved and restored.
903# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1.
904ifeq ($(ENABLE_PAUTH),1)
905	ifeq ($(CTX_INCLUDE_PAUTH_REGS),0)
906                $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1)
907	endif
908endif #(ENABLE_PAUTH)
909
910ifeq ($(CTX_INCLUDE_PAUTH_REGS),1)
911	ifneq (${ARCH},aarch64)
912                $(error CTX_INCLUDE_PAUTH_REGS requires AArch64)
913	endif
914endif #(CTX_INCLUDE_PAUTH_REGS)
915
916ifeq ($(CTX_INCLUDE_MTE_REGS),1)
917	ifneq (${ARCH},aarch64)
918                $(error CTX_INCLUDE_MTE_REGS requires AArch64)
919	endif
920endif #(CTX_INCLUDE_MTE_REGS)
921
922ifeq ($(PSA_FWU_SUPPORT),1)
923        $(info PSA_FWU_SUPPORT is an experimental feature)
924endif #(PSA_FWU_SUPPORT)
925
926ifeq ($(FEATURE_DETECTION),1)
927        $(info FEATURE_DETECTION is an experimental feature)
928endif #(FEATURE_DETECTION)
929
930ifneq ($(ENABLE_SME2_FOR_NS), 0)
931	ifeq (${ENABLE_SME_FOR_NS}, 0)
932                $(warning "ENABLE_SME2_FOR_NS requires ENABLE_SME_FOR_NS also \
933                to be set")
934                $(warning "Forced ENABLE_SME_FOR_NS=1")
935		override ENABLE_SME_FOR_NS	:= 1
936	endif
937endif #(ENABLE_SME2_FOR_NS)
938
939ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1)
940	ifeq (${ALLOW_RO_XLAT_TABLES}, 1)
941                $(error "ALLOW_RO_XLAT_TABLES requires translation tables \
942                library v2")
943	endif
944endif #(ARM_XLAT_TABLES_LIB_V1)
945
946ifneq (${DECRYPTION_SUPPORT},none)
947	ifeq (${TRUSTED_BOARD_BOOT}, 0)
948                $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT \
949                to be set)
950	endif
951endif #(DECRYPTION_SUPPORT)
952
953# Ensure that no Aarch64-only features are enabled in Aarch32 build
954ifeq (${ARCH},aarch32)
955
956	# SME/SVE only supported on AArch64
957	ifneq (${ENABLE_SME_FOR_NS},0)
958                $(error "ENABLE_SME_FOR_NS cannot be used with ARCH=aarch32")
959	endif
960
961	ifeq (${ENABLE_SVE_FOR_NS},1)
962		# Warning instead of error due to CI dependency on this
963                $(error "ENABLE_SVE_FOR_NS cannot be used with ARCH=aarch32")
964	endif
965
966	# BRBE is not supported in AArch32
967	ifeq (${ENABLE_BRBE_FOR_NS},1)
968                $(error "ENABLE_BRBE_FOR_NS cannot be used with ARCH=aarch32")
969	endif
970
971	# FEAT_RNG_TRAP is not supported in AArch32
972	ifeq (${ENABLE_FEAT_RNG_TRAP},1)
973                $(error "ENABLE_FEAT_RNG_TRAP cannot be used with ARCH=aarch32")
974	endif
975endif #(ARCH=aarch32)
976
977# Ensure ENABLE_RME is not used with SME
978ifeq (${ENABLE_RME},1)
979	ifneq (${ENABLE_SME_FOR_NS},0)
980                $(error "ENABLE_SME_FOR_NS cannot be used with ENABLE_RME")
981	endif
982endif
983
984ifneq (${ENABLE_SME_FOR_NS},0)
985	ifeq (${ENABLE_SVE_FOR_NS},0)
986                $(error "ENABLE_SME_FOR_NS requires ENABLE_SVE_FOR_NS")
987	endif
988endif #(ENABLE_SME_FOR_NS)
989
990# Secure SME/SVE requires the non-secure component as well
991ifeq (${ENABLE_SME_FOR_SWD},1)
992	ifeq (${ENABLE_SME_FOR_NS},0)
993                $(error "ENABLE_SME_FOR_SWD requires ENABLE_SME_FOR_NS")
994	endif
995	ifeq (${ENABLE_SVE_FOR_SWD},0)
996                $(error "ENABLE_SME_FOR_SWD requires ENABLE_SVE_FOR_SWD")
997	endif
998endif #(ENABLE_SME_FOR_SWD)
999
1000ifeq (${ENABLE_SVE_FOR_SWD},1)
1001	ifeq (${ENABLE_SVE_FOR_NS},0)
1002                $(error "ENABLE_SVE_FOR_SWD requires ENABLE_SVE_FOR_NS")
1003	endif
1004endif #(ENABLE_SVE_FOR_SWD)
1005
1006# SVE and SME cannot be used with CTX_INCLUDE_FPREGS since secure manager does
1007# its own context management including FPU registers.
1008ifeq (${CTX_INCLUDE_FPREGS},1)
1009	ifneq (${ENABLE_SME_FOR_NS},0)
1010                $(error "ENABLE_SME_FOR_NS cannot be used with CTX_INCLUDE_FPREGS")
1011	endif
1012
1013	ifeq (${ENABLE_SVE_FOR_NS},1)
1014		# Warning instead of error due to CI dependency on this
1015                $(warning "ENABLE_SVE_FOR_NS cannot be used with CTX_INCLUDE_FPREGS")
1016                $(warning "Forced ENABLE_SVE_FOR_NS=0")
1017		override ENABLE_SVE_FOR_NS	:= 0
1018	endif
1019endif #(CTX_INCLUDE_FPREGS)
1020
1021ifeq ($(DRTM_SUPPORT),1)
1022        $(info DRTM_SUPPORT is an experimental feature)
1023endif
1024
1025ifeq (${ENABLE_RME},1)
1026	ifneq (${SEPARATE_CODE_AND_RODATA},1)
1027                $(error `ENABLE_RME=1` requires `SEPARATE_CODE_AND_RODATA=1`)
1028	endif
1029endif
1030
1031# Determine if FEAT_RNG is supported
1032ENABLE_FEAT_RNG		=	$(if $(findstring rng,${arch-features}),1,0)
1033
1034# Determine if FEAT_SB is supported
1035ENABLE_FEAT_SB		=	$(if $(findstring sb,${arch-features}),1,0)
1036
1037################################################################################
1038# Process platform overrideable behaviour
1039################################################################################
1040
1041ifdef BL1_SOURCES
1042	NEED_BL1 := yes
1043endif #(BL1_SOURCES)
1044
1045ifdef BL2_SOURCES
1046	NEED_BL2 := yes
1047
1048	# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and
1049	# Certificate generation tools. This flag can be overridden by the platform.
1050	ifdef EL3_PAYLOAD_BASE
1051		# If booting an EL3 payload there is no need for a BL33 image
1052		# in the FIP file.
1053		NEED_BL33		:=	no
1054	else
1055		ifdef PRELOADED_BL33_BASE
1056			# If booting a BL33 preloaded image there is no need of
1057			# another one in the FIP file.
1058			NEED_BL33		:=	no
1059		else
1060			NEED_BL33		?=	yes
1061		endif
1062	endif
1063endif #(BL2_SOURCES)
1064
1065ifdef BL2U_SOURCES
1066	NEED_BL2U := yes
1067endif #(BL2U_SOURCES)
1068
1069# If SCP_BL2 is given, we always want FIP to include it.
1070ifdef SCP_BL2
1071	NEED_SCP_BL2		:=	yes
1072endif #(SCP_BL2)
1073
1074# For AArch32, BL31 is not currently supported.
1075ifneq (${ARCH},aarch32)
1076	ifdef BL31_SOURCES
1077	# When booting an EL3 payload, there is no need to compile the BL31
1078	# image nor put it in the FIP.
1079		ifndef EL3_PAYLOAD_BASE
1080			NEED_BL31 := yes
1081		endif
1082	endif
1083endif #(ARCH=aarch64)
1084
1085# Process TBB related flags
1086ifneq (${GENERATE_COT},0)
1087	# Common cert_create options
1088	ifneq (${CREATE_KEYS},0)
1089                $(eval CRT_ARGS += -n)
1090                $(eval FWU_CRT_ARGS += -n)
1091		ifneq (${SAVE_KEYS},0)
1092                        $(eval CRT_ARGS += -k)
1093                        $(eval FWU_CRT_ARGS += -k)
1094		endif
1095	endif
1096	# Include TBBR makefile (unless the platform indicates otherwise)
1097	ifeq (${INCLUDE_TBBR_MK},1)
1098                include make_helpers/tbbr/tbbr_tools.mk
1099	endif
1100endif #(GENERATE_COT)
1101
1102ifneq (${FIP_ALIGN},0)
1103	FIP_ARGS += --align ${FIP_ALIGN}
1104endif #(FIP_ALIGN)
1105
1106ifdef FDT_SOURCES
1107	NEED_FDT := yes
1108endif #(FDT_SOURCES)
1109
1110################################################################################
1111# Include libraries' Makefile that are used in all BL
1112################################################################################
1113
1114include lib/stack_protector/stack_protector.mk
1115
1116################################################################################
1117# Include BL specific makefiles
1118################################################################################
1119
1120ifeq (${NEED_BL1},yes)
1121include bl1/bl1.mk
1122endif
1123
1124ifeq (${NEED_BL2},yes)
1125include bl2/bl2.mk
1126endif
1127
1128ifeq (${NEED_BL2U},yes)
1129include bl2u/bl2u.mk
1130endif
1131
1132ifeq (${NEED_BL31},yes)
1133include bl31/bl31.mk
1134endif
1135
1136################################################################################
1137# Build options checks
1138################################################################################
1139
1140# Boolean_Flags
1141$(eval $(call assert_booleans,\
1142    $(sort \
1143	ALLOW_RO_XLAT_TABLES \
1144	BL2_ENABLE_SP_LOAD \
1145	COLD_BOOT_SINGLE_CPU \
1146	CREATE_KEYS \
1147	CTX_INCLUDE_AARCH32_REGS \
1148	CTX_INCLUDE_FPREGS \
1149	CTX_INCLUDE_EL2_REGS \
1150	DEBUG \
1151	DYN_DISABLE_AUTH \
1152	EL3_EXCEPTION_HANDLING \
1153	ENABLE_AMU_AUXILIARY_COUNTERS \
1154	ENABLE_AMU_FCONF \
1155	AMU_RESTRICT_COUNTERS \
1156	ENABLE_ASSERTIONS \
1157	ENABLE_FEAT_SB \
1158	ENABLE_PIE \
1159	ENABLE_PMF \
1160	ENABLE_PSCI_STAT \
1161	ENABLE_RUNTIME_INSTRUMENTATION \
1162	ENABLE_SME_FOR_SWD \
1163	ENABLE_SVE_FOR_SWD \
1164	ERROR_DEPRECATED \
1165	FAULT_INJECTION_SUPPORT \
1166	GENERATE_COT \
1167	GICV2_G0_FOR_EL3 \
1168	HANDLE_EA_EL3_FIRST_NS \
1169	HW_ASSISTED_COHERENCY \
1170	MEASURED_BOOT \
1171	DRTM_SUPPORT \
1172	NS_TIMER_SWITCH \
1173	OVERRIDE_LIBC \
1174	PL011_GENERIC_UART \
1175	PLAT_RSS_NOT_SUPPORTED \
1176	PROGRAMMABLE_RESET_ADDRESS \
1177	PSCI_EXTENDED_STATE_ID \
1178	PSCI_OS_INIT_MODE \
1179	RESET_TO_BL31 \
1180	SAVE_KEYS \
1181	SEPARATE_CODE_AND_RODATA \
1182	SEPARATE_BL2_NOLOAD_REGION \
1183	SEPARATE_NOBITS_REGION \
1184	SPIN_ON_BL1_EXIT \
1185	SPM_MM \
1186	SPMC_AT_EL3 \
1187	SPMD_SPM_AT_SEL2 \
1188	TRUSTED_BOARD_BOOT \
1189	USE_COHERENT_MEM \
1190	USE_DEBUGFS \
1191	ARM_IO_IN_DTB \
1192	SDEI_IN_FCONF \
1193	SEC_INT_DESC_IN_FCONF \
1194	USE_ROMLIB \
1195	USE_TBBR_DEFS \
1196	WARMBOOT_ENABLE_DCACHE_EARLY \
1197	RESET_TO_BL2 \
1198	BL2_IN_XIP_MEM \
1199	BL2_INV_DCACHE \
1200	USE_SPINLOCK_CAS \
1201	ENCRYPT_BL31 \
1202	ENCRYPT_BL32 \
1203	ERRATA_SPECULATIVE_AT \
1204	RAS_TRAP_NS_ERR_REC_ACCESS \
1205	COT_DESC_IN_DTB \
1206	USE_SP804_TIMER \
1207	PSA_FWU_SUPPORT \
1208	ENABLE_MPMM \
1209	ENABLE_MPMM_FCONF \
1210	FEATURE_DETECTION \
1211	TRNG_SUPPORT \
1212	ERRATA_ABI_SUPPORT \
1213	ERRATA_NON_ARM_INTERCONNECT \
1214	CONDITIONAL_CMO \
1215	RAS_FFH_SUPPORT \
1216)))
1217
1218# Numeric_Flags
1219$(eval $(call assert_numerics,\
1220    $(sort \
1221	ARM_ARCH_MAJOR \
1222	ARM_ARCH_MINOR \
1223	BRANCH_PROTECTION \
1224	CTX_INCLUDE_PAUTH_REGS \
1225	CTX_INCLUDE_MTE_REGS \
1226	CTX_INCLUDE_NEVE_REGS \
1227	CRYPTO_SUPPORT \
1228	DISABLE_MTPMU \
1229	ENABLE_BRBE_FOR_NS \
1230	ENABLE_TRBE_FOR_NS \
1231	ENABLE_BTI \
1232	ENABLE_PAUTH \
1233	ENABLE_FEAT_AMU \
1234	ENABLE_FEAT_AMUv1p1 \
1235	ENABLE_FEAT_CSV2_2 \
1236	ENABLE_FEAT_RAS	\
1237	ENABLE_FEAT_DIT \
1238	ENABLE_FEAT_ECV \
1239	ENABLE_FEAT_FGT \
1240	ENABLE_FEAT_HCX \
1241	ENABLE_FEAT_PAN \
1242	ENABLE_FEAT_RNG \
1243	ENABLE_FEAT_RNG_TRAP \
1244	ENABLE_FEAT_SEL2 \
1245	ENABLE_FEAT_TCR2 \
1246	ENABLE_FEAT_S2PIE \
1247	ENABLE_FEAT_S1PIE \
1248	ENABLE_FEAT_S2POE \
1249	ENABLE_FEAT_S1POE \
1250	ENABLE_FEAT_GCS \
1251	ENABLE_FEAT_VHE \
1252	ENABLE_MPAM_FOR_LOWER_ELS \
1253	ENABLE_RME \
1254	ENABLE_SPE_FOR_NS \
1255	ENABLE_SYS_REG_TRACE_FOR_NS \
1256	ENABLE_SME_FOR_NS \
1257	ENABLE_SME2_FOR_NS \
1258	ENABLE_SVE_FOR_NS \
1259	ENABLE_TRF_FOR_NS \
1260	FW_ENC_STATUS \
1261	NR_OF_FW_BANKS \
1262	NR_OF_IMAGES_IN_FW_BANK \
1263	TWED_DELAY \
1264	ENABLE_FEAT_TWED \
1265	SVE_VECTOR_LEN \
1266	IMPDEF_SYSREG_TRAP \
1267)))
1268
1269ifdef KEY_SIZE
1270        $(eval $(call assert_numeric,KEY_SIZE))
1271endif
1272
1273ifeq ($(filter $(SANITIZE_UB), on off trap),)
1274        $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap")
1275endif
1276
1277################################################################################
1278# Add definitions to the cpp preprocessor based on the current build options.
1279# This is done after including the platform specific makefile to allow the
1280# platform to overwrite the default options
1281################################################################################
1282
1283$(eval $(call add_defines,\
1284    $(sort \
1285	ALLOW_RO_XLAT_TABLES \
1286	ARM_ARCH_MAJOR \
1287	ARM_ARCH_MINOR \
1288	BL2_ENABLE_SP_LOAD \
1289	COLD_BOOT_SINGLE_CPU \
1290	CTX_INCLUDE_AARCH32_REGS \
1291	CTX_INCLUDE_FPREGS \
1292	CTX_INCLUDE_PAUTH_REGS \
1293	EL3_EXCEPTION_HANDLING \
1294	CTX_INCLUDE_MTE_REGS \
1295	CTX_INCLUDE_EL2_REGS \
1296	CTX_INCLUDE_NEVE_REGS \
1297	DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \
1298	DISABLE_MTPMU \
1299	ENABLE_FEAT_AMU \
1300	ENABLE_AMU_AUXILIARY_COUNTERS \
1301	ENABLE_AMU_FCONF \
1302	AMU_RESTRICT_COUNTERS \
1303	ENABLE_ASSERTIONS \
1304	ENABLE_BTI \
1305	ENABLE_MPAM_FOR_LOWER_ELS \
1306	ENABLE_PAUTH \
1307	ENABLE_PIE \
1308	ENABLE_PMF \
1309	ENABLE_PSCI_STAT \
1310	ENABLE_RME \
1311	ENABLE_RUNTIME_INSTRUMENTATION \
1312	ENABLE_SME_FOR_NS \
1313	ENABLE_SME2_FOR_NS \
1314	ENABLE_SME_FOR_SWD \
1315	ENABLE_SPE_FOR_NS \
1316	ENABLE_SVE_FOR_NS \
1317	ENABLE_SVE_FOR_SWD \
1318	ENCRYPT_BL31 \
1319	ENCRYPT_BL32 \
1320	ERROR_DEPRECATED \
1321	FAULT_INJECTION_SUPPORT \
1322	GICV2_G0_FOR_EL3 \
1323	HANDLE_EA_EL3_FIRST_NS \
1324	HW_ASSISTED_COHERENCY \
1325	LOG_LEVEL \
1326	MEASURED_BOOT \
1327	DRTM_SUPPORT \
1328	NS_TIMER_SWITCH \
1329	PL011_GENERIC_UART \
1330	PLAT_${PLAT} \
1331	PLAT_RSS_NOT_SUPPORTED \
1332	PROGRAMMABLE_RESET_ADDRESS \
1333	PSCI_EXTENDED_STATE_ID \
1334	PSCI_OS_INIT_MODE \
1335	ENABLE_FEAT_RAS \
1336	RAS_FFH_SUPPORT \
1337	RESET_TO_BL31 \
1338	SEPARATE_CODE_AND_RODATA \
1339	SEPARATE_BL2_NOLOAD_REGION \
1340	SEPARATE_NOBITS_REGION \
1341	RECLAIM_INIT_CODE \
1342	SPD_${SPD} \
1343	SPIN_ON_BL1_EXIT \
1344	SPM_MM \
1345	SPMC_AT_EL3 \
1346	SPMD_SPM_AT_SEL2 \
1347	TRUSTED_BOARD_BOOT \
1348	CRYPTO_SUPPORT \
1349	TRNG_SUPPORT \
1350	ERRATA_ABI_SUPPORT \
1351	ERRATA_NON_ARM_INTERCONNECT \
1352	USE_COHERENT_MEM \
1353	USE_DEBUGFS \
1354	ARM_IO_IN_DTB \
1355	SDEI_IN_FCONF \
1356	SEC_INT_DESC_IN_FCONF \
1357	USE_ROMLIB \
1358	USE_TBBR_DEFS \
1359	WARMBOOT_ENABLE_DCACHE_EARLY \
1360	RESET_TO_BL2 \
1361	BL2_RUNS_AT_EL3	\
1362	BL2_IN_XIP_MEM \
1363	BL2_INV_DCACHE \
1364	USE_SPINLOCK_CAS \
1365	ERRATA_SPECULATIVE_AT \
1366	RAS_TRAP_NS_ERR_REC_ACCESS \
1367	COT_DESC_IN_DTB \
1368	USE_SP804_TIMER \
1369	ENABLE_FEAT_RNG \
1370	ENABLE_FEAT_RNG_TRAP \
1371	ENABLE_FEAT_SB \
1372	ENABLE_FEAT_DIT \
1373	NR_OF_FW_BANKS \
1374	NR_OF_IMAGES_IN_FW_BANK \
1375	PSA_FWU_SUPPORT \
1376	ENABLE_BRBE_FOR_NS \
1377	ENABLE_TRBE_FOR_NS \
1378	ENABLE_SYS_REG_TRACE_FOR_NS \
1379	ENABLE_TRF_FOR_NS \
1380	ENABLE_FEAT_HCX \
1381	ENABLE_MPMM \
1382	ENABLE_MPMM_FCONF \
1383	ENABLE_FEAT_FGT \
1384	ENABLE_FEAT_ECV \
1385	ENABLE_FEAT_AMUv1p1 \
1386	ENABLE_FEAT_SEL2 \
1387	ENABLE_FEAT_VHE \
1388	ENABLE_FEAT_CSV2_2 \
1389	ENABLE_FEAT_PAN \
1390	ENABLE_FEAT_TCR2 \
1391	ENABLE_FEAT_S2PIE \
1392	ENABLE_FEAT_S1PIE \
1393	ENABLE_FEAT_S2POE \
1394	ENABLE_FEAT_S1POE \
1395	ENABLE_FEAT_GCS \
1396	FEATURE_DETECTION \
1397	TWED_DELAY \
1398	ENABLE_FEAT_TWED \
1399	CONDITIONAL_CMO \
1400	IMPDEF_SYSREG_TRAP \
1401	SVE_VECTOR_LEN \
1402)))
1403
1404ifeq (${SANITIZE_UB},trap)
1405        $(eval $(call add_define,MONITOR_TRAPS))
1406endif #(SANITIZE_UB)
1407
1408# Define the EL3_PAYLOAD_BASE flag only if it is provided.
1409ifdef EL3_PAYLOAD_BASE
1410        $(eval $(call add_define,EL3_PAYLOAD_BASE))
1411else
1412# Define the PRELOADED_BL33_BASE flag only if it is provided and
1413# EL3_PAYLOAD_BASE is not defined, as it has priority.
1414	ifdef PRELOADED_BL33_BASE
1415                $(eval $(call add_define,PRELOADED_BL33_BASE))
1416	endif
1417endif #(EL3_PAYLOAD_BASE)
1418
1419# Define the DYN_DISABLE_AUTH flag only if set.
1420ifeq (${DYN_DISABLE_AUTH},1)
1421        $(eval $(call add_define,DYN_DISABLE_AUTH))
1422endif
1423
1424ifneq ($(findstring armlink,$(notdir $(LD))),)
1425        $(eval $(call add_define,USE_ARM_LINK))
1426endif
1427
1428# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined
1429ifeq (${SPD},spmd)
1430ifdef SP_LAYOUT_FILE
1431	-include $(BUILD_PLAT)/sp_gen.mk
1432	FIP_DEPS += sp
1433	CRT_DEPS += sp
1434	NEED_SP_PKG := yes
1435else
1436	ifeq (${SPMD_SPM_AT_SEL2},1)
1437                $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE")
1438	endif
1439endif #(SP_LAYOUT_FILE)
1440endif #(SPD)
1441
1442################################################################################
1443# Build targets
1444################################################################################
1445
1446.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc enctool
1447.SUFFIXES:
1448
1449all: msg_start
1450
1451msg_start:
1452	@echo "Building ${PLAT}"
1453
1454ifeq (${ERROR_DEPRECATED},0)
1455# Check if deprecated declarations and cpp warnings should be treated as error or not.
1456ifneq ($(findstring clang,$(notdir $(CC))),)
1457    CPPFLAGS		+= 	-Wno-error=deprecated-declarations
1458else
1459    CPPFLAGS		+= 	-Wno-error=deprecated-declarations -Wno-error=cpp
1460endif
1461endif #(!ERROR_DEPRECATED)
1462
1463$(eval $(call MAKE_LIB_DIRS))
1464$(eval $(call MAKE_LIB,c))
1465
1466# Expand build macros for the different images
1467ifeq (${NEED_BL1},yes)
1468BL1_SOURCES := $(sort ${BL1_SOURCES})
1469$(eval $(call MAKE_BL,bl1))
1470endif #(NEED_BL1)
1471
1472ifeq (${NEED_BL2},yes)
1473
1474ifeq (${RESET_TO_BL2}, 0)
1475FIP_BL2_ARGS := tb-fw
1476endif
1477
1478BL2_SOURCES := $(sort ${BL2_SOURCES})
1479
1480$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
1481	$(eval $(call MAKE_BL,bl2,${FIP_BL2_ARGS})))
1482
1483endif #(NEED_BL2)
1484
1485ifeq (${NEED_SCP_BL2},yes)
1486$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw))
1487endif #(NEED_SCP_BL2)
1488
1489ifeq (${NEED_BL31},yes)
1490BL31_SOURCES += ${SPD_SOURCES}
1491# Sort BL31 source files to remove duplicates
1492BL31_SOURCES := $(sort ${BL31_SOURCES})
1493ifneq (${DECRYPTION_SUPPORT},none)
1494$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\
1495	$(eval $(call MAKE_BL,bl31,soc-fw,,$(ENCRYPT_BL31))))
1496else
1497$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
1498	$(eval $(call MAKE_BL,bl31,soc-fw)))
1499endif #(DECRYPTION_SUPPORT)
1500endif #(NEED_BL31)
1501
1502# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
1503# build system will call TOOL_ADD_IMG to print a warning message and abort the
1504# process. Note that the dependency on BL32 applies to the FIP only.
1505ifeq (${NEED_BL32},yes)
1506# Sort BL32 source files to remove duplicates
1507BL32_SOURCES := $(sort ${BL32_SOURCES})
1508BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
1509
1510ifneq (${DECRYPTION_SUPPORT},none)
1511$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw,,$(ENCRYPT_BL32))),\
1512	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32))))
1513else
1514$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw)),\
1515	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
1516endif #(DECRYPTION_SUPPORT)
1517endif #(NEED_BL32)
1518
1519# If RMM image is needed but RMM is not defined, Test Realm Payload (TRP)
1520# needs to be built from RMM_SOURCES.
1521ifeq (${NEED_RMM},yes)
1522# Sort RMM source files to remove duplicates
1523RMM_SOURCES := $(sort ${RMM_SOURCES})
1524BUILD_RMM := $(if $(RMM),,$(if $(RMM_SOURCES),1))
1525
1526$(if ${BUILD_RMM}, $(eval $(call MAKE_BL,rmm,rmm-fw)),\
1527	 $(eval $(call TOOL_ADD_IMG,rmm,--rmm-fw)))
1528endif #(NEED_RMM)
1529
1530# Add the BL33 image if required by the platform
1531ifeq (${NEED_BL33},yes)
1532$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
1533endif #(NEED_BL33)
1534
1535ifeq (${NEED_BL2U},yes)
1536$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\
1537	$(eval $(call MAKE_BL,bl2u,ap-fwu-cfg,FWU_)))
1538endif #(NEED_BL2U)
1539
1540# Expand build macros for the different images
1541ifeq (${NEED_FDT},yes)
1542    $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
1543endif #(NEED_FDT)
1544
1545# Add Secure Partition packages
1546ifeq (${NEED_SP_PKG},yes)
1547$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT}
1548	${Q}${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT}
1549sp: $(DTBS) $(BUILD_PLAT)/sp_gen.mk $(SP_PKGS)
1550	@${ECHO_BLANK_LINE}
1551	@echo "Built SP Images successfully"
1552	@${ECHO_BLANK_LINE}
1553endif #(NEED_SP_PKG)
1554
1555locate-checkpatch:
1556ifndef CHECKPATCH
1557	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1558else
1559ifeq (,$(wildcard ${CHECKPATCH}))
1560	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1561endif
1562endif #(CHECKPATCH)
1563
1564clean:
1565	@echo "  CLEAN"
1566	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
1567ifdef UNIX_MK
1568	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1569else
1570# Clear the MAKEFLAGS as we do not want
1571# to pass the gnumake flags to nmake.
1572	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) clean
1573endif #(UNIX_MK)
1574	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
1575	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean
1576	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1577
1578realclean distclean:
1579	@echo "  REALCLEAN"
1580	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
1581	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
1582ifdef UNIX_MK
1583	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1584else
1585# Clear the MAKEFLAGS as we do not want
1586# to pass the gnumake flags to nmake.
1587	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) realclean
1588endif #(UNIX_MK)
1589	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} realclean
1590	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean
1591	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1592
1593checkcodebase:		locate-checkpatch
1594	@echo "  CHECKING STYLE"
1595	@if test -d .git ; then						\
1596		git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' |	\
1597		while read GIT_FILE ;					\
1598		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
1599		done ;							\
1600	else								\
1601		 find . -type f -not -iwholename "*.git*"		\
1602		 -not -iwholename "*build*"				\
1603		 -not -iwholename "*libfdt*"				\
1604		 -not -iwholename "*libc*"				\
1605		 -not -iwholename "*docs*"				\
1606		 -not -iwholename "*.rst"				\
1607		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
1608	fi
1609
1610checkpatch:		locate-checkpatch
1611	@echo "  CHECKING STYLE"
1612	@if test -n "${CHECKPATCH_OPTS}"; then				\
1613		echo "    with ${CHECKPATCH_OPTS} option(s)";		\
1614	fi
1615	${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT});	\
1616	for commit in `git rev-list --no-merges $$COMMON_COMMIT..HEAD`;	\
1617	do								\
1618		printf "\n[*] Checking style of '$$commit'\n\n";	\
1619		git log --format=email "$$commit~..$$commit"		\
1620			-- ${CHECK_PATHS} |				\
1621			${CHECKPATCH} ${CHECKPATCH_OPTS} - || true;	\
1622		git diff --format=email "$$commit~..$$commit"		\
1623			-- ${CHECK_PATHS} |				\
1624			${CHECKPATCH}  ${CHECKPATCH_OPTS} - || true;	\
1625	done
1626
1627certtool: ${CRTTOOL}
1628
1629${CRTTOOL}: FORCE
1630	${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} OPENSSL_DIR=${OPENSSL_DIR} CRTTOOL=${CRTTOOL} DEBUG=${DEBUG} V=${V} --no-print-directory -C ${CRTTOOLPATH} all
1631	@${ECHO_BLANK_LINE}
1632	@echo "Built $@ successfully"
1633	@${ECHO_BLANK_LINE}
1634
1635ifneq (${GENERATE_COT},0)
1636certificates: ${CRT_DEPS} ${CRTTOOL}
1637	${Q}${CRTTOOL} ${CRT_ARGS}
1638	@${ECHO_BLANK_LINE}
1639	@echo "Built $@ successfully"
1640	@echo "Certificates can be found in ${BUILD_PLAT}"
1641	@${ECHO_BLANK_LINE}
1642endif #(GENERATE_COT)
1643
1644${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
1645	$(eval ${CHECK_FIP_CMD})
1646	${Q}${FIPTOOL} create ${FIP_ARGS} $@
1647	${Q}${FIPTOOL} info $@
1648	@${ECHO_BLANK_LINE}
1649	@echo "Built $@ successfully"
1650	@${ECHO_BLANK_LINE}
1651
1652ifneq (${GENERATE_COT},0)
1653fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
1654	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
1655	@${ECHO_BLANK_LINE}
1656	@echo "Built $@ successfully"
1657	@echo "FWU certificates can be found in ${BUILD_PLAT}"
1658	@${ECHO_BLANK_LINE}
1659endif #(GENERATE_COT)
1660
1661${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
1662	$(eval ${CHECK_FWU_FIP_CMD})
1663	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
1664	${Q}${FIPTOOL} info $@
1665	@${ECHO_BLANK_LINE}
1666	@echo "Built $@ successfully"
1667	@${ECHO_BLANK_LINE}
1668
1669fiptool: ${FIPTOOL}
1670fip: ${BUILD_PLAT}/${FIP_NAME}
1671fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
1672
1673${FIPTOOL}: FORCE
1674ifdef UNIX_MK
1675	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} OPENSSL_DIR=${OPENSSL_DIR} DEBUG=${DEBUG} V=${V} --no-print-directory -C ${FIPTOOLPATH} all
1676else
1677# Clear the MAKEFLAGS as we do not want
1678# to pass the gnumake flags to nmake.
1679	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL))
1680endif #(UNIX_MK)
1681
1682romlib.bin: libraries FORCE
1683	${Q}${MAKE} PLAT_DIR=${PLAT_DIR} BUILD_PLAT=${BUILD_PLAT} ENABLE_BTI=${ENABLE_BTI} ARM_ARCH_MINOR=${ARM_ARCH_MINOR} INCLUDES='${INCLUDES}' DEFINES='${DEFINES}' --no-print-directory -C ${ROMLIBPATH} all
1684
1685memmap: all
1686ifdef UNIX_MK
1687	${Q}PYTHONPATH=${CURDIR}/tools/memory \
1688		${PYTHON} -m memory.memmap -sr ${BUILD_PLAT}
1689else
1690	${Q}set PYTHONPATH=${CURDIR}/tools/memory && \
1691		${PYTHON} -m memory.memmap -sr ${BUILD_PLAT}
1692endif
1693
1694doc:
1695	@echo "  BUILD DOCUMENTATION"
1696	${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html
1697
1698enctool: ${ENCTOOL}
1699
1700${ENCTOOL}: FORCE
1701	${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} DEBUG=${DEBUG} V=${V} --no-print-directory -C ${ENCTOOLPATH} all
1702	@${ECHO_BLANK_LINE}
1703	@echo "Built $@ successfully"
1704	@${ECHO_BLANK_LINE}
1705
1706cscope:
1707	@echo "  CSCOPE"
1708	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
1709	${Q}cscope -b -q -k
1710
1711help:
1712	@echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]"
1713	@echo ""
1714	@echo "PLAT is used to specify which platform you wish to build."
1715	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
1716	@echo ""
1717	@echo "platform = ${PLATFORM_LIST}"
1718	@echo ""
1719	@echo "Please refer to the User Guide for a list of all supported options."
1720	@echo "Note that the build system doesn't track dependencies for build "
1721	@echo "options. Therefore, if any of the build options are changed "
1722	@echo "from a previous build, a clean build must be performed."
1723	@echo ""
1724	@echo "Supported Targets:"
1725	@echo "  all            Build all individual bootloader binaries"
1726	@echo "  bl1            Build the BL1 binary"
1727	@echo "  bl2            Build the BL2 binary"
1728	@echo "  bl2u           Build the BL2U binary"
1729	@echo "  bl31           Build the BL31 binary"
1730	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
1731	@echo "                 this builds secure payload specified by AARCH32_SP"
1732	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
1733	@echo "  fip            Build the Firmware Image Package (FIP)"
1734	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
1735	@echo "  checkcodebase  Check the coding style of the entire source tree"
1736	@echo "  checkpatch     Check the coding style on changes in the current"
1737	@echo "                 branch against BASE_COMMIT (default origin/master)"
1738	@echo "  clean          Clean the build for the selected platform"
1739	@echo "  cscope         Generate cscope index"
1740	@echo "  distclean      Remove all build artifacts for all platforms"
1741	@echo "  certtool       Build the Certificate generation tool"
1742	@echo "  enctool        Build the Firmware encryption tool"
1743	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
1744	@echo "  sp             Build the Secure Partition Packages"
1745	@echo "  sptool         Build the Secure Partition Package creation tool"
1746	@echo "  dtbs           Build the Device Tree Blobs (if required for the platform)"
1747	@echo "  memmap         Print the memory map of the built binaries"
1748	@echo "  doc            Build html based documentation using Sphinx tool"
1749	@echo ""
1750	@echo "Note: most build targets require PLAT to be set to a specific platform."
1751	@echo ""
1752	@echo "example: build all targets for the FVP platform:"
1753	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
1754
1755.PHONY: FORCE
1756FORCE:;
1757