xref: /rk3399_ARM-atf/Makefile (revision fcfa15d41c8f3adc384f5e21b77e7b2ec6fa76dc)
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
142SP_DTS_LIST_FRAGMENT	?=	${BUILD_PLAT}/sp_list_fragment.dts
143
144# Variables for use with ROMLIB
145ROMLIBPATH		?=	lib/romlib
146
147# Variable for use with Python
148PYTHON			?=	python3
149
150# Variables for use with documentation build using Sphinx tool
151DOCS_PATH		?=	docs
152
153################################################################################
154# Compiler Configuration based on ARCH_MAJOR and ARCH_MINOR flags
155################################################################################
156ifeq (${ARM_ARCH_MAJOR},7)
157	target32-directive	= 	-target arm-none-eabi
158# Will set march-directive from platform configuration
159else
160	target32-directive	= 	-target armv8a-none-eabi
161endif #(ARM_ARCH_MAJOR)
162
163################################################################################
164# Get Architecture Feature Modifiers
165################################################################################
166arch-features		=	${ARM_ARCH_FEATURE}
167
168# Set the compiler's architecture feature modifiers
169ifneq ($(arch-features), none)
170	# Strip "none+" from arch-features
171	arch-features	:=	$(subst none+,,$(arch-features))
172	march-directive	:=	$(march-directive)+$(arch-features)
173# Print features
174        $(info Arm Architecture Features specified: $(subst +, ,$(arch-features)))
175endif #(arch-features)
176
177ifneq ($(findstring clang,$(notdir $(CC))),)
178	ifneq ($(findstring armclang,$(notdir $(CC))),)
179		TF_CFLAGS_aarch32	:=	-target arm-arm-none-eabi
180		TF_CFLAGS_aarch64	:=	-target aarch64-arm-none-eabi
181		LD			:=	$(LINKER)
182	else
183		TF_CFLAGS_aarch32	=	$(target32-directive)
184		TF_CFLAGS_aarch64	:=	-target aarch64-elf
185		LD			:=	$(shell $(CC) --print-prog-name ld.lld)
186
187		AR			:=	$(shell $(CC) --print-prog-name llvm-ar)
188		OD			:=	$(shell $(CC) --print-prog-name llvm-objdump)
189		OC			:=	$(shell $(CC) --print-prog-name llvm-objcopy)
190	endif
191
192	CPP		:=	$(CC) -E $(TF_CFLAGS_$(ARCH))
193	PP		:=	$(CC) -E $(TF_CFLAGS_$(ARCH))
194	AS		:=	$(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH))
195else ifneq ($(findstring gcc,$(notdir $(CC))),)
196	ifeq ($(ENABLE_LTO),1)
197		# Enable LTO only for aarch64
198		ifeq (${ARCH},aarch64)
199			LTO_CFLAGS	=	-flto
200			# Use gcc as a wrapper for the ld, recommended for LTO
201			LINKER		:=	${CROSS_COMPILE}gcc
202		endif
203	endif
204	LD			=	$(LINKER)
205else
206	LD			=	$(LINKER)
207endif #(clang)
208
209# Process Debug flag
210$(eval $(call add_define,DEBUG))
211ifneq (${DEBUG}, 0)
212	BUILD_TYPE	:=	debug
213	TF_CFLAGS	+=	-g -gdwarf-4
214	ASFLAGS		+=	-g -Wa,-gdwarf-4
215
216	# Use LOG_LEVEL_INFO by default for debug builds
217	LOG_LEVEL	:=	40
218else
219	BUILD_TYPE	:=	release
220	# Use LOG_LEVEL_NOTICE by default for release builds
221	LOG_LEVEL	:=	20
222endif #(Debug)
223
224# Default build string (git branch and commit)
225ifeq (${BUILD_STRING},)
226	BUILD_STRING  :=  $(shell git describe --always --dirty --tags 2> /dev/null)
227endif
228VERSION_STRING    :=  v${VERSION}(${BUILD_TYPE}):${BUILD_STRING}
229
230ifeq (${AARCH32_INSTRUCTION_SET},A32)
231	TF_CFLAGS_aarch32	+=	-marm
232else ifeq (${AARCH32_INSTRUCTION_SET},T32)
233	TF_CFLAGS_aarch32	+=	-mthumb
234else
235        $(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET})
236endif #(AARCH32_INSTRUCTION_SET)
237
238TF_CFLAGS_aarch32	+=	-mno-unaligned-access
239TF_CFLAGS_aarch64	+=	-mgeneral-regs-only -mstrict-align
240
241ASFLAGS		+=	$(march-directive)
242
243##############################################################################
244# WARNINGS Configuration
245###############################################################################
246# General warnings
247WARNINGS		:=	-Wall -Wmissing-include-dirs -Wunused	\
248				-Wdisabled-optimization -Wvla -Wshadow	\
249				-Wredundant-decls
250# stricter warnings
251WARNINGS		+=	-Wextra -Wno-trigraphs
252# too verbose for generic build
253WARNINGS		+=	-Wno-missing-field-initializers \
254				-Wno-type-limits -Wno-sign-compare \
255# on clang this flag gets reset if -Wextra is set after it. No difference on gcc
256WARNINGS		+=	-Wno-unused-parameter
257
258# Additional warnings
259# Level 1 - infrequent warnings we should have none of
260# full -Wextra
261WARNING1 += -Wsign-compare
262WARNING1 += -Wtype-limits
263WARNING1 += -Wmissing-field-initializers
264
265# Level 2 - problematic warnings that we want
266# zlib, compiler-rt, coreboot, and mbdedtls blow up with these
267# TODO: disable just for them and move into default build
268WARNING2 += -Wold-style-definition
269WARNING2 += -Wmissing-prototypes
270WARNING2 += -Wmissing-format-attribute
271# TF-A aims to comply with this eventually. Effort too large at present
272WARNING2 += -Wundef
273# currently very involved and many platforms set this off
274WARNING2 += -Wunused-const-variable=2
275
276# Level 3 - very pedantic, frequently ignored
277WARNING3 := -Wbad-function-cast
278WARNING3 += -Waggregate-return
279WARNING3 += -Wnested-externs
280WARNING3 += -Wcast-align
281WARNING3 += -Wcast-qual
282WARNING3 += -Wconversion
283WARNING3 += -Wpacked
284WARNING3 += -Wpointer-arith
285WARNING3 += -Wswitch-default
286
287# Setting W is quite verbose and most warnings will be pre-existing issues
288# outside of the contributor's control. Don't fail the build on them so warnings
289# can be seen and hopefully addressed
290ifdef W
291	ifneq (${W},0)
292		E	 ?= 0
293	endif
294endif
295
296ifeq (${W},1)
297	WARNINGS += $(WARNING1)
298else ifeq (${W},2)
299	WARNINGS += $(WARNING1) $(WARNING2)
300else ifeq (${W},3)
301	WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3)
302endif #(W)
303
304# Compiler specific warnings
305ifeq ($(findstring clang,$(notdir $(CC))),)
306# not using clang
307WARNINGS	+=		-Wunused-but-set-variable -Wmaybe-uninitialized	\
308				-Wpacked-bitfield-compat -Wshift-overflow=2 \
309				-Wlogical-op
310
311# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105523
312TF_CFLAGS		+= 	$(call cc_option, --param=min-pagesize=0)
313
314else
315# using clang
316WARNINGS	+=		-Wshift-overflow -Wshift-sign-overflow \
317				-Wlogical-op-parentheses
318endif #(Clang Warning)
319
320ifneq (${E},0)
321	ERRORS := -Werror
322endif #(E)
323
324################################################################################
325# Compiler and Linker Directives
326################################################################################
327CPPFLAGS		=	${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc	\
328				$(ERRORS) $(WARNINGS)
329ASFLAGS			+=	$(CPPFLAGS)                 			\
330				-ffreestanding -Wa,--fatal-warnings
331TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
332				-ffunction-sections -fdata-sections		\
333				-ffreestanding -fno-builtin -fno-common		\
334				-Os -std=gnu99
335
336ifeq (${SANITIZE_UB},on)
337	TF_CFLAGS	+=	-fsanitize=undefined -fno-sanitize-recover
338endif #(${SANITIZE_UB},on)
339
340ifeq (${SANITIZE_UB},trap)
341	TF_CFLAGS	+=	-fsanitize=undefined -fno-sanitize-recover	\
342				-fsanitize-undefined-trap-on-error
343endif #(${SANITIZE_UB},trap)
344
345GCC_V_OUTPUT		:=	$(shell $(CC) -v 2>&1)
346
347TF_LDFLAGS		+=	-z noexecstack
348
349# LD = armlink
350ifneq ($(findstring armlink,$(notdir $(LD))),)
351	TF_LDFLAGS		+=	--diag_error=warning --lto_level=O1
352	TF_LDFLAGS		+=	--remove --info=unused,unusedsymbols
353	TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
354
355# LD = gcc (used when GCC LTO is enabled)
356else ifneq ($(findstring gcc,$(notdir $(LD))),)
357	# Pass ld options with Wl or Xlinker switches
358	TF_LDFLAGS		+=	-Wl,--fatal-warnings -O1
359	TF_LDFLAGS		+=	-Wl,--gc-sections
360
361	TF_LDFLAGS		+=	-Wl,-z,common-page-size=4096 #Configure page size constants
362	TF_LDFLAGS		+=	-Wl,-z,max-page-size=4096
363
364	ifeq ($(ENABLE_LTO),1)
365		ifeq (${ARCH},aarch64)
366			TF_LDFLAGS	+=	-flto -fuse-linker-plugin
367		endif
368	endif #(ENABLE_LTO)
369
370# GCC automatically adds fix-cortex-a53-843419 flag when used to link
371# which breaks some builds, so disable if errata fix is not explicitly enabled
372	ifneq (${ERRATA_A53_843419},1)
373		TF_LDFLAGS	+= 	-mno-fix-cortex-a53-843419
374	endif
375	TF_LDFLAGS		+= 	-nostdlib
376	TF_LDFLAGS		+=	$(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH)))
377
378# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other
379else
380# With ld.bfd version 2.39 and newer new warnings are added. Skip those since we
381# are not loaded by a elf loader.
382	TF_LDFLAGS		+=	$(call ld_option, --no-warn-rwx-segments)
383	TF_LDFLAGS		+=	-O1
384	TF_LDFLAGS		+=	--gc-sections
385
386	TF_LDFLAGS		+=	-z common-page-size=4096 # Configure page size constants
387	TF_LDFLAGS		+=	-z max-page-size=4096
388
389# ld.lld doesn't recognize the errata flags,
390# therefore don't add those in that case.
391# ld.lld reports section type mismatch warnings,
392# therefore don't add --fatal-warnings to it.
393	ifeq ($(findstring ld.lld,$(notdir $(LD))),)
394		TF_LDFLAGS	+=	$(TF_LDFLAGS_$(ARCH)) --fatal-warnings
395	endif
396
397endif #(LD = armlink)
398
399DTC_FLAGS		+=	-I dts -O dtb
400DTC_CPPFLAGS		+=	-P -nostdinc -Iinclude -Ifdts -undef \
401				-x assembler-with-cpp $(DEFINES)
402
403################################################################################
404# Setup ARCH_MAJOR/MINOR before parsing arch_features.
405################################################################################
406ifeq (${ENABLE_RME},1)
407	ARM_ARCH_MAJOR := 8
408	ARM_ARCH_MINOR := 6
409endif
410
411################################################################################
412# Common sources and include directories
413################################################################################
414include ${MAKE_HELPERS_DIRECTORY}arch_features.mk
415include lib/compiler-rt/compiler-rt.mk
416
417BL_COMMON_SOURCES	+=	common/bl_common.c			\
418				common/tf_log.c				\
419				common/${ARCH}/debug.S			\
420				drivers/console/multi_console.c		\
421				lib/${ARCH}/cache_helpers.S		\
422				lib/${ARCH}/misc_helpers.S		\
423				lib/extensions/pmuv3/${ARCH}/pmuv3.c	\
424				plat/common/plat_bl_common.c		\
425				plat/common/plat_log_common.c		\
426				plat/common/${ARCH}/plat_common.c	\
427				plat/common/${ARCH}/platform_helpers.S	\
428				${COMPILER_RT_SRCS}
429
430ifeq ($(notdir $(CC)),armclang)
431	BL_COMMON_SOURCES	+=	lib/${ARCH}/armclang_printf.S
432endif
433
434ifeq (${SANITIZE_UB},on)
435	BL_COMMON_SOURCES	+=	plat/common/ubsan.c
436endif
437
438INCLUDES		+=	-Iinclude				\
439				-Iinclude/arch/${ARCH}			\
440				-Iinclude/lib/cpus/${ARCH}		\
441				-Iinclude/lib/el3_runtime/${ARCH}	\
442				${PLAT_INCLUDES}			\
443				${SPD_INCLUDES}
444
445include common/backtrace/backtrace.mk
446
447################################################################################
448# Process BRANCH_PROTECTION value and set
449# Pointer Authentication and Branch Target Identification flags
450################################################################################
451ifeq (${BRANCH_PROTECTION},0)
452	# Default value turns off all types of branch protection
453	BP_OPTION := none
454else ifneq (${ARCH},aarch64)
455        $(error BRANCH_PROTECTION requires AArch64)
456else ifeq (${BRANCH_PROTECTION},1)
457	# Enables all types of branch protection features
458	BP_OPTION := standard
459	ENABLE_BTI := 1
460	ENABLE_PAUTH := 1
461else ifeq (${BRANCH_PROTECTION},2)
462	# Return address signing to its standard level
463	BP_OPTION := pac-ret
464	ENABLE_PAUTH := 1
465else ifeq (${BRANCH_PROTECTION},3)
466	# Extend the signing to include leaf functions
467	BP_OPTION := pac-ret+leaf
468	ENABLE_PAUTH := 1
469else ifeq (${BRANCH_PROTECTION},4)
470	# Turn on branch target identification mechanism
471	BP_OPTION := bti
472	ENABLE_BTI := 1
473else
474        $(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION})
475endif #(BRANCH_PROTECTION)
476
477ifeq ($(ENABLE_PAUTH),1)
478	CTX_INCLUDE_PAUTH_REGS := 1
479endif
480ifneq (${BP_OPTION},none)
481	TF_CFLAGS_aarch64	+=	-mbranch-protection=${BP_OPTION}
482endif #(BP_OPTION)
483
484# Pointer Authentication sources
485ifeq (${ENABLE_PAUTH}, 1)
486# arm/common/aarch64/arm_pauth.c contains a sample platform hook to complete the
487# Pauth support. As it's not secure, it must be reimplemented for real platforms
488	BL_COMMON_SOURCES	+=	lib/extensions/pauth/pauth_helpers.S
489endif
490
491####################################################
492# Enable required options for Memory Stack Tagging.
493####################################################
494
495# Currently, these options are enabled only for clang and armclang compiler.
496ifeq (${SUPPORT_STACK_MEMTAG},yes)
497    ifdef mem_tag_arch_support
498        # Check for armclang and clang compilers
499        ifneq ( ,$(filter $(notdir $(CC)),armclang clang))
500        # Add "memtag" architecture feature modifier if not specified
501            ifeq ( ,$(findstring memtag,$(arch-features)))
502                arch-features	:=	$(arch-features)+memtag
503            endif	# memtag
504            ifeq ($(notdir $(CC)),armclang)
505                TF_CFLAGS	+=	-mmemtag-stack
506            else ifeq ($(notdir $(CC)),clang)
507                TF_CFLAGS	+=	-fsanitize=memtag
508            endif	# armclang
509        endif
510    else
511        $(error "Error: stack memory tagging is not supported for  \
512        architecture ${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a")
513	endif #(mem_tag_arch_support)
514endif #(SUPPORT_STACK_MEMTAG)
515
516################################################################################
517# RME dependent flags configuration, Enable optional features for RME.
518################################################################################
519# FEAT_RME
520ifeq (${ENABLE_RME},1)
521	# RME doesn't support PIE
522	ifneq (${ENABLE_PIE},0)
523                $(error ENABLE_RME does not support PIE)
524	endif
525
526	# RME doesn't support BRBE
527	ifneq (${ENABLE_BRBE_FOR_NS},0)
528                $(error ENABLE_RME does not support BRBE.)
529	endif
530
531	# RME requires AARCH64
532	ifneq (${ARCH},aarch64)
533                $(error ENABLE_RME requires AArch64)
534	endif
535
536	# RME requires el2 context to be saved for now.
537	CTX_INCLUDE_EL2_REGS := 1
538	CTX_INCLUDE_AARCH32_REGS := 0
539	CTX_INCLUDE_PAUTH_REGS := 1
540
541	# RME enables CSV2_2 extension by default.
542	ENABLE_FEAT_CSV2_2 = 1
543endif #(FEAT_RME)
544
545################################################################################
546# Generic definitions
547################################################################################
548include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
549
550ifeq (${BUILD_BASE},)
551     BUILD_BASE		:=	./build
552endif
553BUILD_PLAT		:=	$(abspath ${BUILD_BASE})/${PLAT}/${BUILD_TYPE}
554
555SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
556
557# Platforms providing their own TBB makefile may override this value
558INCLUDE_TBBR_MK		:=	1
559
560################################################################################
561# Include SPD Makefile if one has been specified
562################################################################################
563
564ifneq (${SPD},none)
565	ifeq (${ARCH},aarch32)
566                $(error "Error: SPD is incompatible with AArch32.")
567	endif
568
569	ifdef EL3_PAYLOAD_BASE
570                $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
571                $(warning "The SPD and its BL32 companion will be present but \
572                ignored.")
573	endif
574
575	ifeq (${SPD},spmd)
576	# SPMD is located in std_svc directory
577		SPD_DIR := std_svc
578
579		ifeq ($(SPMD_SPM_AT_SEL2),1)
580			CTX_INCLUDE_EL2_REGS := 1
581			ifeq ($(SPMC_AT_EL3),1)
582                                $(error SPM cannot be enabled in both S-EL2 and EL3.)
583			endif
584		endif
585
586		ifeq ($(findstring optee_sp,$(ARM_SPMC_MANIFEST_DTS)),optee_sp)
587			DTC_CPPFLAGS	+=	-DOPTEE_SP_FW_CONFIG
588		endif
589
590		ifeq ($(TS_SP_FW_CONFIG),1)
591		DTC_CPPFLAGS	+=	-DTS_SP_FW_CONFIG
592		endif
593
594		ifneq ($(ARM_BL2_SP_LIST_DTS),)
595		DTC_CPPFLAGS += -DARM_BL2_SP_LIST_DTS=$(ARM_BL2_SP_LIST_DTS)
596		endif
597
598		ifneq ($(SP_LAYOUT_FILE),)
599		BL2_ENABLE_SP_LOAD := 1
600		endif
601	else
602		# All other SPDs in spd directory
603		SPD_DIR := spd
604	endif #(SPD)
605
606	# We expect to locate an spd.mk under the specified SPD directory
607	SPD_MAKE	:=	$(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk)
608
609	ifeq (${SPD_MAKE},)
610                $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located)
611	endif
612        $(info Including ${SPD_MAKE})
613        include ${SPD_MAKE}
614
615	# If there's BL32 companion for the chosen SPD, we expect that the SPD's
616	# Makefile would set NEED_BL32 to "yes". In this case, the build system
617	# supports two mutually exclusive options:
618	# * BL32 is built from source: then BL32_SOURCES must contain the list
619	#   of source files to build BL32
620	# * BL32 is a prebuilt binary: then BL32 must point to the image file
621	#   that will be included in the FIP
622	# If both BL32_SOURCES and BL32 are defined, the binary takes precedence
623	# over the sources.
624endif #(SPD=none)
625
626ifeq (${ENABLE_SPMD_LP}, 1)
627ifneq (${SPD},spmd)
628        $(error Error: ENABLE_SPMD_LP requires SPD=spmd.)
629endif
630ifeq ($(SPMC_AT_EL3),1)
631        $(error SPMC at EL3 not supported when enabling SPMD Logical partitions.)
632endif
633endif
634
635ifeq (${CTX_INCLUDE_EL2_REGS}, 1)
636	ifeq (${SPD},none)
637		ifeq (${ENABLE_RME},0)
638                        $(error CTX_INCLUDE_EL2_REGS is available only when SPD \
639                        or RME is enabled)
640		endif
641	endif
642endif
643
644################################################################################
645# Include rmmd Makefile if RME is enabled
646################################################################################
647ifneq (${ENABLE_RME},0)
648	ifneq (${ARCH},aarch64)
649                $(error ENABLE_RME requires AArch64)
650	endif
651	ifeq ($(SPMC_AT_EL3),1)
652                $(error SPMC_AT_EL3 and ENABLE_RME cannot both be enabled.)
653	endif
654
655	ifneq (${SPD}, none)
656		ifneq (${SPD}, spmd)
657                        $(error ENABLE_RME is incompatible with SPD=${SPD}. Use SPD=spmd)
658		endif
659	endif
660include services/std_svc/rmmd/rmmd.mk
661$(warning "RME is an experimental feature")
662endif
663
664################################################################################
665# Include the platform specific Makefile after the SPD Makefile (the platform
666# makefile may use all previous definitions in this file)
667################################################################################
668
669include ${PLAT_MAKEFILE_FULL}
670
671################################################################################
672# Platform specific Makefile might provide us ARCH_MAJOR/MINOR use that to come
673# up with appropriate march values for compiler.
674################################################################################
675include ${MAKE_HELPERS_DIRECTORY}march.mk
676
677TF_CFLAGS   +=	$(march-directive)
678
679# This internal flag is common option which is set to 1 for scenarios
680# when the BL2 is running in EL3 level. This occurs in two scenarios -
681# 4 world system running BL2 at EL3 and two world system without BL1 running
682# BL2 in EL3
683
684ifeq (${RESET_TO_BL2},1)
685	BL2_RUNS_AT_EL3	:=	1
686	ifeq (${ENABLE_RME},1)
687                $(error RESET_TO_BL2=1 and ENABLE_RME=1 configuration is not \
688                supported at the moment.)
689	endif
690else ifeq (${ENABLE_RME},1)
691	BL2_RUNS_AT_EL3	:=	1
692else
693	BL2_RUNS_AT_EL3	:=	0
694endif
695
696$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT}))
697
698ifeq (${ARM_ARCH_MAJOR},7)
699include make_helpers/armv7-a-cpus.mk
700endif
701
702PIE_FOUND		:=	$(findstring --enable-default-pie,${GCC_V_OUTPUT})
703ifneq ($(PIE_FOUND),)
704	TF_CFLAGS	+=	-fno-PIE
705ifneq ($(findstring gcc,$(notdir $(LD))),)
706	TF_LDFLAGS	+=	-no-pie
707endif
708endif #(PIE_FOUND)
709
710ifneq ($(findstring gcc,$(notdir $(LD))),)
711	PIE_LDFLAGS	+=	-Wl,-pie -Wl,--no-dynamic-linker
712else
713	PIE_LDFLAGS	+=	-pie --no-dynamic-linker
714endif
715
716ifeq ($(ENABLE_PIE),1)
717	ifeq ($(RESET_TO_BL2),1)
718		ifneq ($(BL2_IN_XIP_MEM),1)
719			BL2_CPPFLAGS	+=	-fpie
720			BL2_CFLAGS	+=	-fpie
721			BL2_LDFLAGS	+=	$(PIE_LDFLAGS)
722		endif #(BL2_IN_XIP_MEM)
723	endif #(RESET_TO_BL2)
724	BL31_CPPFLAGS	+=	-fpie
725	BL31_CFLAGS 	+=	-fpie
726	BL31_LDFLAGS	+=	$(PIE_LDFLAGS)
727
728	BL32_CPPFLAGS	+=	-fpie
729	BL32_CFLAGS	+=	-fpie
730	BL32_LDFLAGS	+=	$(PIE_LDFLAGS)
731endif #(ENABLE_PIE)
732
733BL1_CPPFLAGS  += -DREPORT_ERRATA=${DEBUG}
734BL31_CPPFLAGS += -DREPORT_ERRATA=${DEBUG}
735BL32_CPPFLAGS += -DREPORT_ERRATA=${DEBUG}
736
737BL1_CPPFLAGS += -DIMAGE_AT_EL3
738ifeq ($(RESET_TO_BL2),1)
739	BL2_CPPFLAGS += -DIMAGE_AT_EL3
740else
741	BL2_CPPFLAGS += -DIMAGE_AT_EL1
742endif #(RESET_TO_BL2)
743
744ifeq (${ARCH},aarch64)
745	BL2U_CPPFLAGS += -DIMAGE_AT_EL1
746	BL31_CPPFLAGS += -DIMAGE_AT_EL3
747	BL32_CPPFLAGS += -DIMAGE_AT_EL1
748else
749	BL32_CPPFLAGS += -DIMAGE_AT_EL3
750endif
751
752# Include the CPU specific operations makefile, which provides default
753# values for all CPU errata workarounds and CPU specific optimisations.
754# This can be overridden by the platform.
755include lib/cpus/cpu-ops.mk
756
757################################################################################
758# Build `AARCH32_SP` as BL32 image for AArch32
759################################################################################
760ifeq (${ARCH},aarch32)
761        NEED_BL32 := yes
762
763        ifneq (${AARCH32_SP},none)
764        # We expect to locate an sp.mk under the specified AARCH32_SP directory
765		AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
766
767                ifeq (${AARCH32_SP_MAKE},)
768                        $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
769                endif
770                $(info Including ${AARCH32_SP_MAKE})
771                include ${AARCH32_SP_MAKE}
772        endif
773endif #(ARCH=aarch32)
774
775################################################################################
776# Include libc if not overridden
777################################################################################
778ifeq (${OVERRIDE_LIBC},0)
779include lib/libc/libc.mk
780endif
781
782################################################################################
783# Check incompatible options and dependencies
784################################################################################
785
786# USE_DEBUGFS experimental feature recommended only in debug builds
787ifeq (${USE_DEBUGFS},1)
788        ifeq (${DEBUG},1)
789                $(warning DEBUGFS experimental feature is enabled.)
790        else
791                $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY)
792        endif
793endif #(USE_DEBUGFS)
794
795# USE_SPINLOCK_CAS requires AArch64 build
796ifeq (${USE_SPINLOCK_CAS},1)
797        ifneq (${ARCH},aarch64)
798               $(error USE_SPINLOCK_CAS requires AArch64)
799        endif
800endif #(USE_SPINLOCK_CAS)
801
802# The cert_create tool cannot generate certificates individually, so we use the
803# target 'certificates' to create them all
804ifneq (${GENERATE_COT},0)
805        FIP_DEPS += certificates
806        FWU_FIP_DEPS += fwu_certificates
807endif
808
809ifneq (${DECRYPTION_SUPPORT},none)
810	ENC_ARGS += -f ${FW_ENC_STATUS}
811	ENC_ARGS += -k ${ENC_KEY}
812	ENC_ARGS += -n ${ENC_NONCE}
813	FIP_DEPS += enctool
814	FWU_FIP_DEPS += enctool
815endif #(DECRYPTION_SUPPORT)
816
817ifdef EL3_PAYLOAD_BASE
818	ifdef PRELOADED_BL33_BASE
819                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
820		incompatible build options. EL3_PAYLOAD_BASE has priority.")
821	endif
822	ifneq (${GENERATE_COT},0)
823                $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible \
824                build options.")
825	endif
826	ifneq (${TRUSTED_BOARD_BOOT},0)
827                $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are \
828                incompatible \ build options.")
829	endif
830endif #(EL3_PAYLOAD_BASE)
831
832ifeq (${NEED_BL33},yes)
833	ifdef EL3_PAYLOAD_BASE
834                $(warning "BL33 image is not needed when option \
835                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
836	endif
837	ifdef PRELOADED_BL33_BASE
838                $(warning "BL33 image is not needed when option \
839                PRELOADED_BL33_BASE is used and won't be added to the FIP file.")
840	endif
841endif #(NEED_BL33)
842
843# When building for systems with hardware-assisted coherency, there's no need to
844# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
845ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
846        $(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
847endif
848
849#For now, BL2_IN_XIP_MEM is only supported when RESET_TO_BL2 is 1.
850ifeq ($(RESET_TO_BL2)-$(BL2_IN_XIP_MEM),0-1)
851        $(error "BL2_IN_XIP_MEM is only supported when RESET_TO_BL2 is enabled")
852endif
853
854# RAS_EXTENSION is deprecated, provide alternate build options
855ifeq ($(RAS_EXTENSION),1)
856        $(error "RAS_EXTENSION is now deprecated, please use ENABLE_FEAT_RAS \
857        and RAS_FFH_SUPPORT instead")
858endif
859
860# RAS firmware first handling requires that EAs are handled in EL3 first
861ifeq ($(RAS_FFH_SUPPORT),1)
862	ifneq ($(ENABLE_FEAT_RAS),1)
863                $(error For RAS_FFH_SUPPORT, ENABLE_FEAT_RAS must also be 1)
864	endif
865	ifneq ($(HANDLE_EA_EL3_FIRST_NS),1)
866                $(error For RAS_FFH_SUPPORT, HANDLE_EA_EL3_FIRST_NS must also be 1)
867	endif
868endif #(RAS_FFH_SUPPORT)
869
870# When FAULT_INJECTION_SUPPORT is used, require that FEAT_RAS is enabled
871ifeq ($(FAULT_INJECTION_SUPPORT),1)
872	ifeq ($(ENABLE_FEAT_RAS),0)
873                $(error For FAULT_INJECTION_SUPPORT, ENABLE_FEAT_RAS must not be 0)
874	endif
875endif #(FAULT_INJECTION_SUPPORT)
876
877# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1
878ifeq ($(DYN_DISABLE_AUTH), 1)
879	ifeq (${TRUSTED_BOARD_BOOT}, 0)
880                $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH \
881                to be set.")
882	endif
883endif #(DYN_DISABLE_AUTH)
884
885ifeq ($(MEASURED_BOOT)-$(TRUSTED_BOARD_BOOT),1-1)
886# Support authentication verification and hash calculation
887	CRYPTO_SUPPORT := 3
888else ifeq ($(DRTM_SUPPORT)-$(TRUSTED_BOARD_BOOT),1-1)
889# Support authentication verification and hash calculation
890	CRYPTO_SUPPORT := 3
891else ifneq ($(filter 1,${MEASURED_BOOT} ${DRTM_SUPPORT}),)
892# Support hash calculation only
893	CRYPTO_SUPPORT := 2
894else ifeq (${TRUSTED_BOARD_BOOT},1)
895# Support authentication verification only
896	CRYPTO_SUPPORT := 1
897else
898	CRYPTO_SUPPORT := 0
899endif #($(MEASURED_BOOT)-$(TRUSTED_BOARD_BOOT))
900
901# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled.
902ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1)
903        $(error "SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled")
904endif
905
906# If pointer authentication is used in the firmware, make sure that all the
907# registers associated to it are also saved and restored.
908# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1.
909ifeq ($(ENABLE_PAUTH),1)
910	ifeq ($(CTX_INCLUDE_PAUTH_REGS),0)
911                $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1)
912	endif
913endif #(ENABLE_PAUTH)
914
915ifeq ($(CTX_INCLUDE_PAUTH_REGS),1)
916	ifneq (${ARCH},aarch64)
917                $(error CTX_INCLUDE_PAUTH_REGS requires AArch64)
918	endif
919endif #(CTX_INCLUDE_PAUTH_REGS)
920
921ifeq ($(CTX_INCLUDE_MTE_REGS),1)
922	ifneq (${ARCH},aarch64)
923                $(error CTX_INCLUDE_MTE_REGS requires AArch64)
924	endif
925endif #(CTX_INCLUDE_MTE_REGS)
926
927ifeq ($(PSA_FWU_SUPPORT),1)
928        $(info PSA_FWU_SUPPORT is an experimental feature)
929endif #(PSA_FWU_SUPPORT)
930
931ifeq ($(FEATURE_DETECTION),1)
932        $(info FEATURE_DETECTION is an experimental feature)
933endif #(FEATURE_DETECTION)
934
935ifneq ($(ENABLE_SME2_FOR_NS), 0)
936	ifeq (${ENABLE_SME_FOR_NS}, 0)
937                $(warning "ENABLE_SME2_FOR_NS requires ENABLE_SME_FOR_NS also \
938                to be set")
939                $(warning "Forced ENABLE_SME_FOR_NS=1")
940		override ENABLE_SME_FOR_NS	:= 1
941	endif
942endif #(ENABLE_SME2_FOR_NS)
943
944ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1)
945	ifeq (${ALLOW_RO_XLAT_TABLES}, 1)
946                $(error "ALLOW_RO_XLAT_TABLES requires translation tables \
947                library v2")
948	endif
949endif #(ARM_XLAT_TABLES_LIB_V1)
950
951ifneq (${DECRYPTION_SUPPORT},none)
952	ifeq (${TRUSTED_BOARD_BOOT}, 0)
953                $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT \
954                to be set)
955	endif
956endif #(DECRYPTION_SUPPORT)
957
958# Ensure that no Aarch64-only features are enabled in Aarch32 build
959ifeq (${ARCH},aarch32)
960
961	# SME/SVE only supported on AArch64
962	ifneq (${ENABLE_SME_FOR_NS},0)
963                $(error "ENABLE_SME_FOR_NS cannot be used with ARCH=aarch32")
964	endif
965
966	ifeq (${ENABLE_SVE_FOR_NS},1)
967		# Warning instead of error due to CI dependency on this
968                $(error "ENABLE_SVE_FOR_NS cannot be used with ARCH=aarch32")
969	endif
970
971	# BRBE is not supported in AArch32
972	ifeq (${ENABLE_BRBE_FOR_NS},1)
973                $(error "ENABLE_BRBE_FOR_NS cannot be used with ARCH=aarch32")
974	endif
975
976	# FEAT_RNG_TRAP is not supported in AArch32
977	ifeq (${ENABLE_FEAT_RNG_TRAP},1)
978                $(error "ENABLE_FEAT_RNG_TRAP cannot be used with ARCH=aarch32")
979	endif
980endif #(ARCH=aarch32)
981
982# Ensure ENABLE_RME is not used with SME
983ifeq (${ENABLE_RME},1)
984	ifneq (${ENABLE_SME_FOR_NS},0)
985                $(error "ENABLE_SME_FOR_NS cannot be used with ENABLE_RME")
986	endif
987endif
988
989ifneq (${ENABLE_SME_FOR_NS},0)
990	ifeq (${ENABLE_SVE_FOR_NS},0)
991                $(error "ENABLE_SME_FOR_NS requires ENABLE_SVE_FOR_NS")
992	endif
993endif #(ENABLE_SME_FOR_NS)
994
995# Secure SME/SVE requires the non-secure component as well
996ifeq (${ENABLE_SME_FOR_SWD},1)
997	ifeq (${ENABLE_SME_FOR_NS},0)
998                $(error "ENABLE_SME_FOR_SWD requires ENABLE_SME_FOR_NS")
999	endif
1000	ifeq (${ENABLE_SVE_FOR_SWD},0)
1001                $(error "ENABLE_SME_FOR_SWD requires ENABLE_SVE_FOR_SWD")
1002	endif
1003endif #(ENABLE_SME_FOR_SWD)
1004
1005ifeq (${ENABLE_SVE_FOR_SWD},1)
1006	ifeq (${ENABLE_SVE_FOR_NS},0)
1007                $(error "ENABLE_SVE_FOR_SWD requires ENABLE_SVE_FOR_NS")
1008	endif
1009endif #(ENABLE_SVE_FOR_SWD)
1010
1011# SVE and SME cannot be used with CTX_INCLUDE_FPREGS since secure manager does
1012# its own context management including FPU registers.
1013ifeq (${CTX_INCLUDE_FPREGS},1)
1014	ifneq (${ENABLE_SME_FOR_NS},0)
1015                $(error "ENABLE_SME_FOR_NS cannot be used with CTX_INCLUDE_FPREGS")
1016	endif
1017
1018	ifeq (${ENABLE_SVE_FOR_NS},1)
1019		# Warning instead of error due to CI dependency on this
1020                $(warning "ENABLE_SVE_FOR_NS cannot be used with CTX_INCLUDE_FPREGS")
1021                $(warning "Forced ENABLE_SVE_FOR_NS=0")
1022		override ENABLE_SVE_FOR_NS	:= 0
1023	endif
1024endif #(CTX_INCLUDE_FPREGS)
1025
1026ifeq ($(DRTM_SUPPORT),1)
1027        $(info DRTM_SUPPORT is an experimental feature)
1028endif
1029
1030ifeq (${ENABLE_RME},1)
1031	ifneq (${SEPARATE_CODE_AND_RODATA},1)
1032                $(error `ENABLE_RME=1` requires `SEPARATE_CODE_AND_RODATA=1`)
1033	endif
1034endif
1035
1036# Determine if FEAT_RNG is supported
1037ENABLE_FEAT_RNG		=	$(if $(findstring rng,${arch-features}),1,0)
1038
1039# Determine if FEAT_SB is supported
1040ENABLE_FEAT_SB		=	$(if $(findstring sb,${arch-features}),1,0)
1041
1042################################################################################
1043# Process platform overrideable behaviour
1044################################################################################
1045
1046ifdef BL1_SOURCES
1047	NEED_BL1 := yes
1048endif #(BL1_SOURCES)
1049
1050ifdef BL2_SOURCES
1051	NEED_BL2 := yes
1052
1053	# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and
1054	# Certificate generation tools. This flag can be overridden by the platform.
1055	ifdef EL3_PAYLOAD_BASE
1056		# If booting an EL3 payload there is no need for a BL33 image
1057		# in the FIP file.
1058		NEED_BL33		:=	no
1059	else
1060		ifdef PRELOADED_BL33_BASE
1061			# If booting a BL33 preloaded image there is no need of
1062			# another one in the FIP file.
1063			NEED_BL33		:=	no
1064		else
1065			NEED_BL33		?=	yes
1066		endif
1067	endif
1068endif #(BL2_SOURCES)
1069
1070ifdef BL2U_SOURCES
1071	NEED_BL2U := yes
1072endif #(BL2U_SOURCES)
1073
1074# If SCP_BL2 is given, we always want FIP to include it.
1075ifdef SCP_BL2
1076	NEED_SCP_BL2		:=	yes
1077endif #(SCP_BL2)
1078
1079# For AArch32, BL31 is not currently supported.
1080ifneq (${ARCH},aarch32)
1081	ifdef BL31_SOURCES
1082	# When booting an EL3 payload, there is no need to compile the BL31
1083	# image nor put it in the FIP.
1084		ifndef EL3_PAYLOAD_BASE
1085			NEED_BL31 := yes
1086		endif
1087	endif
1088endif #(ARCH=aarch64)
1089
1090# Process TBB related flags
1091ifneq (${GENERATE_COT},0)
1092	# Common cert_create options
1093	ifneq (${CREATE_KEYS},0)
1094                $(eval CRT_ARGS += -n)
1095                $(eval FWU_CRT_ARGS += -n)
1096		ifneq (${SAVE_KEYS},0)
1097                        $(eval CRT_ARGS += -k)
1098                        $(eval FWU_CRT_ARGS += -k)
1099		endif
1100	endif
1101	# Include TBBR makefile (unless the platform indicates otherwise)
1102	ifeq (${INCLUDE_TBBR_MK},1)
1103                include make_helpers/tbbr/tbbr_tools.mk
1104	endif
1105endif #(GENERATE_COT)
1106
1107ifneq (${FIP_ALIGN},0)
1108	FIP_ARGS += --align ${FIP_ALIGN}
1109endif #(FIP_ALIGN)
1110
1111ifdef FDT_SOURCES
1112	NEED_FDT := yes
1113endif #(FDT_SOURCES)
1114
1115################################################################################
1116# Include libraries' Makefile that are used in all BL
1117################################################################################
1118
1119include lib/stack_protector/stack_protector.mk
1120
1121################################################################################
1122# Include BL specific makefiles
1123################################################################################
1124
1125ifeq (${NEED_BL1},yes)
1126include bl1/bl1.mk
1127endif
1128
1129ifeq (${NEED_BL2},yes)
1130include bl2/bl2.mk
1131endif
1132
1133ifeq (${NEED_BL2U},yes)
1134include bl2u/bl2u.mk
1135endif
1136
1137ifeq (${NEED_BL31},yes)
1138include bl31/bl31.mk
1139endif
1140
1141################################################################################
1142# Build options checks
1143################################################################################
1144
1145# Boolean_Flags
1146$(eval $(call assert_booleans,\
1147    $(sort \
1148	ALLOW_RO_XLAT_TABLES \
1149	BL2_ENABLE_SP_LOAD \
1150	COLD_BOOT_SINGLE_CPU \
1151	CREATE_KEYS \
1152	CTX_INCLUDE_AARCH32_REGS \
1153	CTX_INCLUDE_FPREGS \
1154	CTX_INCLUDE_EL2_REGS \
1155	DEBUG \
1156	DYN_DISABLE_AUTH \
1157	EL3_EXCEPTION_HANDLING \
1158	ENABLE_AMU_AUXILIARY_COUNTERS \
1159	ENABLE_AMU_FCONF \
1160	AMU_RESTRICT_COUNTERS \
1161	ENABLE_ASSERTIONS \
1162	ENABLE_FEAT_SB \
1163	ENABLE_PIE \
1164	ENABLE_PMF \
1165	ENABLE_PSCI_STAT \
1166	ENABLE_RUNTIME_INSTRUMENTATION \
1167	ENABLE_SME_FOR_SWD \
1168	ENABLE_SVE_FOR_SWD \
1169	ERROR_DEPRECATED \
1170	FAULT_INJECTION_SUPPORT \
1171	GENERATE_COT \
1172	GICV2_G0_FOR_EL3 \
1173	HANDLE_EA_EL3_FIRST_NS \
1174	HW_ASSISTED_COHERENCY \
1175	MEASURED_BOOT \
1176	DRTM_SUPPORT \
1177	NS_TIMER_SWITCH \
1178	OVERRIDE_LIBC \
1179	PL011_GENERIC_UART \
1180	PLAT_RSS_NOT_SUPPORTED \
1181	PROGRAMMABLE_RESET_ADDRESS \
1182	PSCI_EXTENDED_STATE_ID \
1183	PSCI_OS_INIT_MODE \
1184	RESET_TO_BL31 \
1185	SAVE_KEYS \
1186	SEPARATE_CODE_AND_RODATA \
1187	SEPARATE_BL2_NOLOAD_REGION \
1188	SEPARATE_NOBITS_REGION \
1189	SPIN_ON_BL1_EXIT \
1190	SPM_MM \
1191	SPMC_AT_EL3 \
1192	SPMD_SPM_AT_SEL2 \
1193	ENABLE_SPMD_LP \
1194	TRUSTED_BOARD_BOOT \
1195	USE_COHERENT_MEM \
1196	USE_DEBUGFS \
1197	ARM_IO_IN_DTB \
1198	SDEI_IN_FCONF \
1199	SEC_INT_DESC_IN_FCONF \
1200	USE_ROMLIB \
1201	USE_TBBR_DEFS \
1202	WARMBOOT_ENABLE_DCACHE_EARLY \
1203	RESET_TO_BL2 \
1204	BL2_IN_XIP_MEM \
1205	BL2_INV_DCACHE \
1206	USE_SPINLOCK_CAS \
1207	ENCRYPT_BL31 \
1208	ENCRYPT_BL32 \
1209	ERRATA_SPECULATIVE_AT \
1210	RAS_TRAP_NS_ERR_REC_ACCESS \
1211	COT_DESC_IN_DTB \
1212	USE_SP804_TIMER \
1213	PSA_FWU_SUPPORT \
1214	ENABLE_MPMM \
1215	ENABLE_MPMM_FCONF \
1216	FEATURE_DETECTION \
1217	TRNG_SUPPORT \
1218	ERRATA_ABI_SUPPORT \
1219	ERRATA_NON_ARM_INTERCONNECT \
1220	CONDITIONAL_CMO \
1221	RAS_FFH_SUPPORT \
1222)))
1223
1224# Numeric_Flags
1225$(eval $(call assert_numerics,\
1226    $(sort \
1227	ARM_ARCH_MAJOR \
1228	ARM_ARCH_MINOR \
1229	BRANCH_PROTECTION \
1230	CTX_INCLUDE_PAUTH_REGS \
1231	CTX_INCLUDE_MTE_REGS \
1232	CTX_INCLUDE_NEVE_REGS \
1233	CRYPTO_SUPPORT \
1234	DISABLE_MTPMU \
1235	ENABLE_BRBE_FOR_NS \
1236	ENABLE_TRBE_FOR_NS \
1237	ENABLE_BTI \
1238	ENABLE_PAUTH \
1239	ENABLE_FEAT_AMU \
1240	ENABLE_FEAT_AMUv1p1 \
1241	ENABLE_FEAT_CSV2_2 \
1242	ENABLE_FEAT_RAS	\
1243	ENABLE_FEAT_DIT \
1244	ENABLE_FEAT_ECV \
1245	ENABLE_FEAT_FGT \
1246	ENABLE_FEAT_HCX \
1247	ENABLE_FEAT_PAN \
1248	ENABLE_FEAT_RNG \
1249	ENABLE_FEAT_RNG_TRAP \
1250	ENABLE_FEAT_SEL2 \
1251	ENABLE_FEAT_TCR2 \
1252	ENABLE_FEAT_S2PIE \
1253	ENABLE_FEAT_S1PIE \
1254	ENABLE_FEAT_S2POE \
1255	ENABLE_FEAT_S1POE \
1256	ENABLE_FEAT_GCS \
1257	ENABLE_FEAT_VHE \
1258	ENABLE_FEAT_MTE_PERM \
1259	ENABLE_MPAM_FOR_LOWER_ELS \
1260	ENABLE_RME \
1261	ENABLE_SPE_FOR_NS \
1262	ENABLE_SYS_REG_TRACE_FOR_NS \
1263	ENABLE_SME_FOR_NS \
1264	ENABLE_SME2_FOR_NS \
1265	ENABLE_SVE_FOR_NS \
1266	ENABLE_TRF_FOR_NS \
1267	FW_ENC_STATUS \
1268	NR_OF_FW_BANKS \
1269	NR_OF_IMAGES_IN_FW_BANK \
1270	TWED_DELAY \
1271	ENABLE_FEAT_TWED \
1272	SVE_VECTOR_LEN \
1273	IMPDEF_SYSREG_TRAP \
1274)))
1275
1276ifdef KEY_SIZE
1277        $(eval $(call assert_numeric,KEY_SIZE))
1278endif
1279
1280ifeq ($(filter $(SANITIZE_UB), on off trap),)
1281        $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap")
1282endif
1283
1284################################################################################
1285# Add definitions to the cpp preprocessor based on the current build options.
1286# This is done after including the platform specific makefile to allow the
1287# platform to overwrite the default options
1288################################################################################
1289
1290$(eval $(call add_defines,\
1291    $(sort \
1292	ALLOW_RO_XLAT_TABLES \
1293	ARM_ARCH_MAJOR \
1294	ARM_ARCH_MINOR \
1295	BL2_ENABLE_SP_LOAD \
1296	COLD_BOOT_SINGLE_CPU \
1297	CTX_INCLUDE_AARCH32_REGS \
1298	CTX_INCLUDE_FPREGS \
1299	CTX_INCLUDE_PAUTH_REGS \
1300	EL3_EXCEPTION_HANDLING \
1301	CTX_INCLUDE_MTE_REGS \
1302	CTX_INCLUDE_EL2_REGS \
1303	CTX_INCLUDE_NEVE_REGS \
1304	DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \
1305	DISABLE_MTPMU \
1306	ENABLE_FEAT_AMU \
1307	ENABLE_AMU_AUXILIARY_COUNTERS \
1308	ENABLE_AMU_FCONF \
1309	AMU_RESTRICT_COUNTERS \
1310	ENABLE_ASSERTIONS \
1311	ENABLE_BTI \
1312	ENABLE_MPAM_FOR_LOWER_ELS \
1313	ENABLE_PAUTH \
1314	ENABLE_PIE \
1315	ENABLE_PMF \
1316	ENABLE_PSCI_STAT \
1317	ENABLE_RME \
1318	ENABLE_RUNTIME_INSTRUMENTATION \
1319	ENABLE_SME_FOR_NS \
1320	ENABLE_SME2_FOR_NS \
1321	ENABLE_SME_FOR_SWD \
1322	ENABLE_SPE_FOR_NS \
1323	ENABLE_SVE_FOR_NS \
1324	ENABLE_SVE_FOR_SWD \
1325	ENCRYPT_BL31 \
1326	ENCRYPT_BL32 \
1327	ERROR_DEPRECATED \
1328	FAULT_INJECTION_SUPPORT \
1329	GICV2_G0_FOR_EL3 \
1330	HANDLE_EA_EL3_FIRST_NS \
1331	HW_ASSISTED_COHERENCY \
1332	LOG_LEVEL \
1333	MEASURED_BOOT \
1334	DRTM_SUPPORT \
1335	NS_TIMER_SWITCH \
1336	PL011_GENERIC_UART \
1337	PLAT_${PLAT} \
1338	PLAT_RSS_NOT_SUPPORTED \
1339	PROGRAMMABLE_RESET_ADDRESS \
1340	PSCI_EXTENDED_STATE_ID \
1341	PSCI_OS_INIT_MODE \
1342	ENABLE_FEAT_RAS \
1343	RAS_FFH_SUPPORT \
1344	RESET_TO_BL31 \
1345	SEPARATE_CODE_AND_RODATA \
1346	SEPARATE_BL2_NOLOAD_REGION \
1347	SEPARATE_NOBITS_REGION \
1348	RECLAIM_INIT_CODE \
1349	SPD_${SPD} \
1350	SPIN_ON_BL1_EXIT \
1351	SPM_MM \
1352	SPMC_AT_EL3 \
1353	SPMD_SPM_AT_SEL2 \
1354	TRUSTED_BOARD_BOOT \
1355	CRYPTO_SUPPORT \
1356	TRNG_SUPPORT \
1357	ERRATA_ABI_SUPPORT \
1358	ERRATA_NON_ARM_INTERCONNECT \
1359	USE_COHERENT_MEM \
1360	USE_DEBUGFS \
1361	ARM_IO_IN_DTB \
1362	SDEI_IN_FCONF \
1363	SEC_INT_DESC_IN_FCONF \
1364	USE_ROMLIB \
1365	USE_TBBR_DEFS \
1366	WARMBOOT_ENABLE_DCACHE_EARLY \
1367	RESET_TO_BL2 \
1368	BL2_RUNS_AT_EL3	\
1369	BL2_IN_XIP_MEM \
1370	BL2_INV_DCACHE \
1371	USE_SPINLOCK_CAS \
1372	ERRATA_SPECULATIVE_AT \
1373	RAS_TRAP_NS_ERR_REC_ACCESS \
1374	COT_DESC_IN_DTB \
1375	USE_SP804_TIMER \
1376	ENABLE_FEAT_RNG \
1377	ENABLE_FEAT_RNG_TRAP \
1378	ENABLE_FEAT_SB \
1379	ENABLE_FEAT_DIT \
1380	NR_OF_FW_BANKS \
1381	NR_OF_IMAGES_IN_FW_BANK \
1382	PSA_FWU_SUPPORT \
1383	ENABLE_BRBE_FOR_NS \
1384	ENABLE_TRBE_FOR_NS \
1385	ENABLE_SYS_REG_TRACE_FOR_NS \
1386	ENABLE_TRF_FOR_NS \
1387	ENABLE_FEAT_HCX \
1388	ENABLE_MPMM \
1389	ENABLE_MPMM_FCONF \
1390	ENABLE_FEAT_FGT \
1391	ENABLE_FEAT_ECV \
1392	ENABLE_FEAT_AMUv1p1 \
1393	ENABLE_FEAT_SEL2 \
1394	ENABLE_FEAT_VHE \
1395	ENABLE_FEAT_CSV2_2 \
1396	ENABLE_FEAT_PAN \
1397	ENABLE_FEAT_TCR2 \
1398	ENABLE_FEAT_S2PIE \
1399	ENABLE_FEAT_S1PIE \
1400	ENABLE_FEAT_S2POE \
1401	ENABLE_FEAT_S1POE \
1402	ENABLE_FEAT_GCS \
1403	ENABLE_FEAT_MTE_PERM \
1404	FEATURE_DETECTION \
1405	TWED_DELAY \
1406	ENABLE_FEAT_TWED \
1407	CONDITIONAL_CMO \
1408	IMPDEF_SYSREG_TRAP \
1409	SVE_VECTOR_LEN \
1410	ENABLE_SPMD_LP \
1411)))
1412
1413ifeq (${SANITIZE_UB},trap)
1414        $(eval $(call add_define,MONITOR_TRAPS))
1415endif #(SANITIZE_UB)
1416
1417# Define the EL3_PAYLOAD_BASE flag only if it is provided.
1418ifdef EL3_PAYLOAD_BASE
1419        $(eval $(call add_define,EL3_PAYLOAD_BASE))
1420else
1421# Define the PRELOADED_BL33_BASE flag only if it is provided and
1422# EL3_PAYLOAD_BASE is not defined, as it has priority.
1423	ifdef PRELOADED_BL33_BASE
1424                $(eval $(call add_define,PRELOADED_BL33_BASE))
1425	endif
1426endif #(EL3_PAYLOAD_BASE)
1427
1428# Define the DYN_DISABLE_AUTH flag only if set.
1429ifeq (${DYN_DISABLE_AUTH},1)
1430        $(eval $(call add_define,DYN_DISABLE_AUTH))
1431endif
1432
1433ifneq ($(findstring armlink,$(notdir $(LD))),)
1434        $(eval $(call add_define,USE_ARM_LINK))
1435endif
1436
1437# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined
1438ifeq (${SPD},spmd)
1439ifdef SP_LAYOUT_FILE
1440	-include $(BUILD_PLAT)/sp_gen.mk
1441	FIP_DEPS += sp
1442	CRT_DEPS += sp
1443	NEED_SP_PKG := yes
1444else
1445	ifeq (${SPMD_SPM_AT_SEL2},1)
1446                $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE")
1447	endif
1448endif #(SP_LAYOUT_FILE)
1449endif #(SPD)
1450
1451################################################################################
1452# Build targets
1453################################################################################
1454
1455.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc enctool
1456.SUFFIXES:
1457
1458all: msg_start
1459
1460msg_start:
1461	@echo "Building ${PLAT}"
1462
1463ifeq (${ERROR_DEPRECATED},0)
1464# Check if deprecated declarations and cpp warnings should be treated as error or not.
1465ifneq ($(findstring clang,$(notdir $(CC))),)
1466    CPPFLAGS		+= 	-Wno-error=deprecated-declarations
1467else
1468    CPPFLAGS		+= 	-Wno-error=deprecated-declarations -Wno-error=cpp
1469endif
1470endif #(!ERROR_DEPRECATED)
1471
1472$(eval $(call MAKE_LIB_DIRS))
1473$(eval $(call MAKE_LIB,c))
1474
1475# Expand build macros for the different images
1476ifeq (${NEED_BL1},yes)
1477BL1_SOURCES := $(sort ${BL1_SOURCES})
1478$(eval $(call MAKE_BL,bl1))
1479endif #(NEED_BL1)
1480
1481ifeq (${NEED_BL2},yes)
1482
1483ifeq (${RESET_TO_BL2}, 0)
1484FIP_BL2_ARGS := tb-fw
1485endif
1486
1487BL2_SOURCES := $(sort ${BL2_SOURCES})
1488
1489$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
1490	$(eval $(call MAKE_BL,bl2,${FIP_BL2_ARGS})))
1491
1492endif #(NEED_BL2)
1493
1494ifeq (${NEED_SCP_BL2},yes)
1495$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw))
1496endif #(NEED_SCP_BL2)
1497
1498ifeq (${NEED_BL31},yes)
1499BL31_SOURCES += ${SPD_SOURCES}
1500# Sort BL31 source files to remove duplicates
1501BL31_SOURCES := $(sort ${BL31_SOURCES})
1502ifneq (${DECRYPTION_SUPPORT},none)
1503$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\
1504	$(eval $(call MAKE_BL,bl31,soc-fw,,$(ENCRYPT_BL31))))
1505else
1506$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
1507	$(eval $(call MAKE_BL,bl31,soc-fw)))
1508endif #(DECRYPTION_SUPPORT)
1509endif #(NEED_BL31)
1510
1511# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
1512# build system will call TOOL_ADD_IMG to print a warning message and abort the
1513# process. Note that the dependency on BL32 applies to the FIP only.
1514ifeq (${NEED_BL32},yes)
1515# Sort BL32 source files to remove duplicates
1516BL32_SOURCES := $(sort ${BL32_SOURCES})
1517BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
1518
1519ifneq (${DECRYPTION_SUPPORT},none)
1520$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw,,$(ENCRYPT_BL32))),\
1521	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32))))
1522else
1523$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw)),\
1524	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
1525endif #(DECRYPTION_SUPPORT)
1526endif #(NEED_BL32)
1527
1528# If RMM image is needed but RMM is not defined, Test Realm Payload (TRP)
1529# needs to be built from RMM_SOURCES.
1530ifeq (${NEED_RMM},yes)
1531# Sort RMM source files to remove duplicates
1532RMM_SOURCES := $(sort ${RMM_SOURCES})
1533BUILD_RMM := $(if $(RMM),,$(if $(RMM_SOURCES),1))
1534
1535$(if ${BUILD_RMM}, $(eval $(call MAKE_BL,rmm,rmm-fw)),\
1536	 $(eval $(call TOOL_ADD_IMG,rmm,--rmm-fw)))
1537endif #(NEED_RMM)
1538
1539# Add the BL33 image if required by the platform
1540ifeq (${NEED_BL33},yes)
1541$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
1542endif #(NEED_BL33)
1543
1544ifeq (${NEED_BL2U},yes)
1545$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\
1546	$(eval $(call MAKE_BL,bl2u,ap-fwu-cfg,FWU_)))
1547endif #(NEED_BL2U)
1548
1549# Expand build macros for the different images
1550ifeq (${NEED_FDT},yes)
1551    $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
1552endif #(NEED_FDT)
1553
1554# Add Secure Partition packages
1555ifeq (${NEED_SP_PKG},yes)
1556$(BUILD_PLAT)/sp_gen.mk : ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT}
1557	${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT} ${SP_DTS_LIST_FRAGMENT}
1558sp: $(DTBS) $(BUILD_PLAT)/sp_gen.mk $(SP_PKGS)
1559	@${ECHO_BLANK_LINE}
1560	@echo "Built SP Images successfully"
1561	@${ECHO_BLANK_LINE}
1562endif #(NEED_SP_PKG)
1563
1564locate-checkpatch:
1565ifndef CHECKPATCH
1566	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1567else
1568ifeq (,$(wildcard ${CHECKPATCH}))
1569	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1570endif
1571endif #(CHECKPATCH)
1572
1573clean:
1574	@echo "  CLEAN"
1575	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
1576ifdef UNIX_MK
1577	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1578else
1579# Clear the MAKEFLAGS as we do not want
1580# to pass the gnumake flags to nmake.
1581	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) clean
1582endif #(UNIX_MK)
1583	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
1584	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean
1585	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1586
1587realclean distclean:
1588	@echo "  REALCLEAN"
1589	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
1590	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
1591ifdef UNIX_MK
1592	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1593else
1594# Clear the MAKEFLAGS as we do not want
1595# to pass the gnumake flags to nmake.
1596	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) realclean
1597endif #(UNIX_MK)
1598	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} realclean
1599	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean
1600	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1601
1602checkcodebase:		locate-checkpatch
1603	@echo "  CHECKING STYLE"
1604	@if test -d .git ; then						\
1605		git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' |	\
1606		while read GIT_FILE ;					\
1607		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
1608		done ;							\
1609	else								\
1610		 find . -type f -not -iwholename "*.git*"		\
1611		 -not -iwholename "*build*"				\
1612		 -not -iwholename "*libfdt*"				\
1613		 -not -iwholename "*libc*"				\
1614		 -not -iwholename "*docs*"				\
1615		 -not -iwholename "*.rst"				\
1616		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
1617	fi
1618
1619checkpatch:		locate-checkpatch
1620	@echo "  CHECKING STYLE"
1621	@if test -n "${CHECKPATCH_OPTS}"; then				\
1622		echo "    with ${CHECKPATCH_OPTS} option(s)";		\
1623	fi
1624	${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT});	\
1625	for commit in `git rev-list --no-merges $$COMMON_COMMIT..HEAD`;	\
1626	do								\
1627		printf "\n[*] Checking style of '$$commit'\n\n";	\
1628		git log --format=email "$$commit~..$$commit"		\
1629			-- ${CHECK_PATHS} |				\
1630			${CHECKPATCH} ${CHECKPATCH_OPTS} - || true;	\
1631		git diff --format=email "$$commit~..$$commit"		\
1632			-- ${CHECK_PATHS} |				\
1633			${CHECKPATCH}  ${CHECKPATCH_OPTS} - || true;	\
1634	done
1635
1636certtool: ${CRTTOOL}
1637
1638${CRTTOOL}: FORCE
1639	${Q}${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 ${CRTTOOLPATH} all
1640	@${ECHO_BLANK_LINE}
1641	@echo "Built $@ successfully"
1642	@${ECHO_BLANK_LINE}
1643
1644ifneq (${GENERATE_COT},0)
1645certificates: ${CRT_DEPS} ${CRTTOOL}
1646	${Q}${CRTTOOL} ${CRT_ARGS}
1647	@${ECHO_BLANK_LINE}
1648	@echo "Built $@ successfully"
1649	@echo "Certificates can be found in ${BUILD_PLAT}"
1650	@${ECHO_BLANK_LINE}
1651endif #(GENERATE_COT)
1652
1653${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
1654	$(eval ${CHECK_FIP_CMD})
1655	${Q}${FIPTOOL} create ${FIP_ARGS} $@
1656	${Q}${FIPTOOL} info $@
1657	@${ECHO_BLANK_LINE}
1658	@echo "Built $@ successfully"
1659	@${ECHO_BLANK_LINE}
1660
1661ifneq (${GENERATE_COT},0)
1662fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
1663	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
1664	@${ECHO_BLANK_LINE}
1665	@echo "Built $@ successfully"
1666	@echo "FWU certificates can be found in ${BUILD_PLAT}"
1667	@${ECHO_BLANK_LINE}
1668endif #(GENERATE_COT)
1669
1670${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
1671	$(eval ${CHECK_FWU_FIP_CMD})
1672	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
1673	${Q}${FIPTOOL} info $@
1674	@${ECHO_BLANK_LINE}
1675	@echo "Built $@ successfully"
1676	@${ECHO_BLANK_LINE}
1677
1678fiptool: ${FIPTOOL}
1679fip: ${BUILD_PLAT}/${FIP_NAME}
1680fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
1681
1682${FIPTOOL}: FORCE
1683ifdef UNIX_MK
1684	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} OPENSSL_DIR=${OPENSSL_DIR} DEBUG=${DEBUG} V=${V} --no-print-directory -C ${FIPTOOLPATH} all
1685else
1686# Clear the MAKEFLAGS as we do not want
1687# to pass the gnumake flags to nmake.
1688	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL))
1689endif #(UNIX_MK)
1690
1691romlib.bin: libraries FORCE
1692	${Q}${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
1693
1694memmap: all
1695ifdef UNIX_MK
1696	${Q}PYTHONPATH=${CURDIR}/tools/memory \
1697		${PYTHON} -m memory.memmap -sr ${BUILD_PLAT}
1698else
1699	${Q}set PYTHONPATH=${CURDIR}/tools/memory && \
1700		${PYTHON} -m memory.memmap -sr ${BUILD_PLAT}
1701endif
1702
1703doc:
1704	@echo "  BUILD DOCUMENTATION"
1705	${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html
1706
1707enctool: ${ENCTOOL}
1708
1709${ENCTOOL}: FORCE
1710	${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} DEBUG=${DEBUG} V=${V} --no-print-directory -C ${ENCTOOLPATH} all
1711	@${ECHO_BLANK_LINE}
1712	@echo "Built $@ successfully"
1713	@${ECHO_BLANK_LINE}
1714
1715cscope:
1716	@echo "  CSCOPE"
1717	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
1718	${Q}cscope -b -q -k
1719
1720help:
1721	@echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]"
1722	@echo ""
1723	@echo "PLAT is used to specify which platform you wish to build."
1724	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
1725	@echo ""
1726	@echo "platform = ${PLATFORM_LIST}"
1727	@echo ""
1728	@echo "Please refer to the User Guide for a list of all supported options."
1729	@echo "Note that the build system doesn't track dependencies for build "
1730	@echo "options. Therefore, if any of the build options are changed "
1731	@echo "from a previous build, a clean build must be performed."
1732	@echo ""
1733	@echo "Supported Targets:"
1734	@echo "  all            Build all individual bootloader binaries"
1735	@echo "  bl1            Build the BL1 binary"
1736	@echo "  bl2            Build the BL2 binary"
1737	@echo "  bl2u           Build the BL2U binary"
1738	@echo "  bl31           Build the BL31 binary"
1739	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
1740	@echo "                 this builds secure payload specified by AARCH32_SP"
1741	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
1742	@echo "  fip            Build the Firmware Image Package (FIP)"
1743	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
1744	@echo "  checkcodebase  Check the coding style of the entire source tree"
1745	@echo "  checkpatch     Check the coding style on changes in the current"
1746	@echo "                 branch against BASE_COMMIT (default origin/master)"
1747	@echo "  clean          Clean the build for the selected platform"
1748	@echo "  cscope         Generate cscope index"
1749	@echo "  distclean      Remove all build artifacts for all platforms"
1750	@echo "  certtool       Build the Certificate generation tool"
1751	@echo "  enctool        Build the Firmware encryption tool"
1752	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
1753	@echo "  sp             Build the Secure Partition Packages"
1754	@echo "  sptool         Build the Secure Partition Package creation tool"
1755	@echo "  dtbs           Build the Device Tree Blobs (if required for the platform)"
1756	@echo "  memmap         Print the memory map of the built binaries"
1757	@echo "  doc            Build html based documentation using Sphinx tool"
1758	@echo ""
1759	@echo "Note: most build targets require PLAT to be set to a specific platform."
1760	@echo ""
1761	@echo "example: build all targets for the FVP platform:"
1762	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
1763
1764.PHONY: FORCE
1765FORCE:;
1766