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				${INC_ARM_DIRS_TO_CHECK}
76
77
78################################################################################
79# Process build options
80################################################################################
81
82# Verbose flag
83ifeq (${V},0)
84        Q:=@
85        ECHO:=@echo
86        CHECKCODE_ARGS	+=	--no-summary --terse
87else
88        Q:=
89        ECHO:=$(ECHO_QUIET)
90endif
91
92ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),)
93        Q:=@
94        ECHO:=$(ECHO_QUIET)
95endif
96
97export Q ECHO
98
99# The cert_create tool cannot generate certificates individually, so we use the
100# target 'certificates' to create them all
101ifneq (${GENERATE_COT},0)
102        FIP_DEPS += certificates
103        FWU_FIP_DEPS += fwu_certificates
104endif
105
106# Process BRANCH_PROTECTION value and set
107# Pointer Authentication and Branch Target Identification flags
108ifeq (${BRANCH_PROTECTION},0)
109	# Default value turns off all types of branch protection
110	BP_OPTION := none
111else ifneq (${ARCH},aarch64)
112        $(error BRANCH_PROTECTION requires AArch64)
113else ifeq (${BRANCH_PROTECTION},1)
114	# Enables all types of branch protection features
115	BP_OPTION := standard
116	ENABLE_BTI := 1
117	ENABLE_PAUTH := 1
118else ifeq (${BRANCH_PROTECTION},2)
119	# Return address signing to its standard level
120	BP_OPTION := pac-ret
121	ENABLE_PAUTH := 1
122else ifeq (${BRANCH_PROTECTION},3)
123	# Extend the signing to include leaf functions
124	BP_OPTION := pac-ret+leaf
125	ENABLE_PAUTH := 1
126else ifeq (${BRANCH_PROTECTION},4)
127	# Turn on branch target identification mechanism
128	BP_OPTION := bti
129	ENABLE_BTI := 1
130else
131        $(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION})
132endif
133
134# FEAT_RME
135ifeq (${ENABLE_RME},1)
136# RME doesn't support PIE
137ifneq (${ENABLE_PIE},0)
138        $(error ENABLE_RME does not support PIE)
139endif
140# RME doesn't support BRBE
141ifneq (${ENABLE_BRBE_FOR_NS},0)
142        $(error ENABLE_RME does not support BRBE.)
143endif
144# RME requires AARCH64
145ifneq (${ARCH},aarch64)
146        $(error ENABLE_RME requires AArch64)
147endif
148# RME requires el2 context to be saved for now.
149CTX_INCLUDE_EL2_REGS := 1
150CTX_INCLUDE_AARCH32_REGS := 0
151ARM_ARCH_MAJOR := 8
152ARM_ARCH_MINOR := 5
153ENABLE_FEAT_ECV = 1
154ENABLE_FEAT_FGT = 1
155
156# RME enables CSV2_2 extension by default.
157ENABLE_FEAT_CSV2_2 = 1
158
159endif
160
161# USE_SPINLOCK_CAS requires AArch64 build
162ifeq (${USE_SPINLOCK_CAS},1)
163ifneq (${ARCH},aarch64)
164        $(error USE_SPINLOCK_CAS requires AArch64)
165endif
166endif
167
168# USE_DEBUGFS experimental feature recommended only in debug builds
169ifeq (${USE_DEBUGFS},1)
170ifeq (${DEBUG},1)
171        $(warning DEBUGFS experimental feature is enabled.)
172else
173        $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY)
174endif
175endif
176
177ifneq (${DECRYPTION_SUPPORT},none)
178ENC_ARGS += -f ${FW_ENC_STATUS}
179ENC_ARGS += -k ${ENC_KEY}
180ENC_ARGS += -n ${ENC_NONCE}
181FIP_DEPS += enctool
182FWU_FIP_DEPS += enctool
183endif
184
185################################################################################
186# Toolchain
187################################################################################
188
189HOSTCC			:=	gcc
190export HOSTCC
191
192CC			:=	${CROSS_COMPILE}gcc
193CPP			:=	${CROSS_COMPILE}cpp
194AS			:=	${CROSS_COMPILE}gcc
195AR			:=	${CROSS_COMPILE}ar
196LINKER			:=	${CROSS_COMPILE}ld
197OC			:=	${CROSS_COMPILE}objcopy
198OD			:=	${CROSS_COMPILE}objdump
199NM			:=	${CROSS_COMPILE}nm
200PP			:=	${CROSS_COMPILE}gcc -E
201DTC			:=	dtc
202
203# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH).
204ifneq ($(strip $(wildcard ${LD}.bfd) \
205	$(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),)
206LINKER			:=	${LINKER}.bfd
207endif
208
209ifeq (${ARM_ARCH_MAJOR},7)
210target32-directive	= 	-target arm-none-eabi
211# Will set march32-directive from platform configuration
212else
213target32-directive	= 	-target armv8a-none-eabi
214
215# Set the compiler's target architecture profile based on
216# ARM_ARCH_MAJOR ARM_ARCH_MINOR options
217ifeq (${ARM_ARCH_MINOR},0)
218march32-directive	= 	-march=armv${ARM_ARCH_MAJOR}-a
219march64-directive	= 	-march=armv${ARM_ARCH_MAJOR}-a
220else
221march32-directive	= 	-march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a
222march64-directive	= 	-march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a
223endif
224endif
225
226# Memory tagging is supported in architecture Armv8.5-A AArch64 and onwards
227ifeq ($(ARCH), aarch64)
228# Check if revision is greater than or equal to 8.5
229ifeq "8.5" "$(word 1, $(sort 8.5 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
230mem_tag_arch_support	= 	yes
231endif
232endif
233
234# Get architecture feature modifiers
235arch-features		=	${ARM_ARCH_FEATURE}
236
237# Enable required options for memory stack tagging.
238# Currently, these options are enabled only for clang and armclang compiler.
239ifeq (${SUPPORT_STACK_MEMTAG},yes)
240ifdef mem_tag_arch_support
241# Check for armclang and clang compilers
242ifneq ( ,$(filter $(notdir $(CC)),armclang clang))
243# Add "memtag" architecture feature modifier if not specified
244ifeq ( ,$(findstring memtag,$(arch-features)))
245arch-features       	:=       $(arch-features)+memtag
246endif	# memtag
247ifeq ($(notdir $(CC)),armclang)
248TF_CFLAGS		+=	-mmemtag-stack
249else ifeq ($(notdir $(CC)),clang)
250TF_CFLAGS		+=	-fsanitize=memtag
251endif	# armclang
252endif	# armclang clang
253else
254$(error "Error: stack memory tagging is not supported for architecture \
255	${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a")
256endif	# mem_tag_arch_support
257endif	# SUPPORT_STACK_MEMTAG
258
259# Set the compiler's architecture feature modifiers
260ifneq ($(arch-features), none)
261# Strip "none+" from arch-features
262arch-features		:=	$(subst none+,,$(arch-features))
263ifeq ($(ARCH), aarch32)
264march32-directive	:=	$(march32-directive)+$(arch-features)
265else
266march64-directive	:=	$(march64-directive)+$(arch-features)
267endif
268# Print features
269$(info Arm Architecture Features specified: $(subst +, ,$(arch-features)))
270endif	# arch-features
271
272# Determine if FEAT_RNG is supported
273ENABLE_FEAT_RNG		=	$(if $(findstring rng,${arch-features}),1,0)
274
275# Determine if FEAT_SB is supported
276ENABLE_FEAT_SB		=	$(if $(findstring sb,${arch-features}),1,0)
277
278ifneq ($(findstring clang,$(notdir $(CC))),)
279	ifneq ($(findstring armclang,$(notdir $(CC))),)
280		TF_CFLAGS_aarch32	:=	-target arm-arm-none-eabi $(march32-directive)
281		TF_CFLAGS_aarch64	:=	-target aarch64-arm-none-eabi $(march64-directive)
282		LD			:=	$(LINKER)
283	else
284		TF_CFLAGS_aarch32	=	$(target32-directive) $(march32-directive)
285		TF_CFLAGS_aarch64	:=	-target aarch64-elf $(march64-directive)
286		LD			:=	$(shell $(CC) --print-prog-name ld.lld)
287
288		AR			:=	$(shell $(CC) --print-prog-name llvm-ar)
289		OD			:=	$(shell $(CC) --print-prog-name llvm-objdump)
290		OC			:=	$(shell $(CC) --print-prog-name llvm-objcopy)
291	endif
292
293	CPP		:=	$(CC) -E $(TF_CFLAGS_$(ARCH))
294	PP		:=	$(CC) -E $(TF_CFLAGS_$(ARCH))
295	AS		:=	$(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH))
296else ifneq ($(findstring gcc,$(notdir $(CC))),)
297TF_CFLAGS_aarch32	=	$(march32-directive)
298TF_CFLAGS_aarch64	=	$(march64-directive)
299ifeq ($(ENABLE_LTO),1)
300	# Enable LTO only for aarch64
301	ifeq (${ARCH},aarch64)
302		LTO_CFLAGS	=	-flto
303		# Use gcc as a wrapper for the ld, recommended for LTO
304		LINKER		:=	${CROSS_COMPILE}gcc
305	endif
306endif
307LD			=	$(LINKER)
308else
309TF_CFLAGS_aarch32	=	$(march32-directive)
310TF_CFLAGS_aarch64	=	$(march64-directive)
311LD			=	$(LINKER)
312endif
313
314# Process Debug flag
315$(eval $(call add_define,DEBUG))
316ifneq (${DEBUG}, 0)
317        BUILD_TYPE	:=	debug
318        TF_CFLAGS	+=	-g -gdwarf-4
319        ASFLAGS		+=	-g -Wa,-gdwarf-4
320
321        # Use LOG_LEVEL_INFO by default for debug builds
322        LOG_LEVEL	:=	40
323else
324        BUILD_TYPE	:=	release
325        # Use LOG_LEVEL_NOTICE by default for release builds
326        LOG_LEVEL	:=	20
327endif
328
329# Default build string (git branch and commit)
330ifeq (${BUILD_STRING},)
331        BUILD_STRING  :=  $(shell git describe --always --dirty --tags 2> /dev/null)
332endif
333VERSION_STRING    :=  v${VERSION}(${BUILD_TYPE}):${BUILD_STRING}
334
335ifeq (${AARCH32_INSTRUCTION_SET},A32)
336TF_CFLAGS_aarch32	+=	-marm
337else ifeq (${AARCH32_INSTRUCTION_SET},T32)
338TF_CFLAGS_aarch32	+=	-mthumb
339else
340$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET})
341endif
342
343TF_CFLAGS_aarch32	+=	-mno-unaligned-access
344TF_CFLAGS_aarch64	+=	-mgeneral-regs-only -mstrict-align
345
346ifneq (${BP_OPTION},none)
347TF_CFLAGS_aarch64	+=	-mbranch-protection=${BP_OPTION}
348endif
349
350ASFLAGS_aarch32		=	$(march32-directive)
351ASFLAGS_aarch64		=	$(march64-directive)
352
353# General warnings
354WARNINGS		:=	-Wall -Wmissing-include-dirs -Wunused	\
355				-Wdisabled-optimization -Wvla -Wshadow	\
356				-Wredundant-decls
357# stricter warnings
358WARNINGS		+=	-Wextra -Wno-trigraphs
359# too verbose for generic build
360WARNINGS		+=	-Wno-missing-field-initializers \
361				-Wno-type-limits -Wno-sign-compare \
362# on clang this flag gets reset if -Wextra is set after it. No difference on gcc
363WARNINGS		+=	-Wno-unused-parameter
364
365# Additional warnings
366# Level 1 - infrequent warnings we should have none of
367# full -Wextra
368WARNING1 += -Wsign-compare
369WARNING1 += -Wtype-limits
370WARNING1 += -Wmissing-field-initializers
371
372# Level 2 - problematic warnings that we want
373# zlib, compiler-rt, coreboot, and mbdedtls blow up with these
374# TODO: disable just for them and move into default build
375WARNING2 += -Wold-style-definition
376WARNING2 += -Wmissing-prototypes
377WARNING2 += -Wmissing-format-attribute
378# TF-A aims to comply with this eventually. Effort too large at present
379WARNING2 += -Wundef
380# currently very involved and many platforms set this off
381WARNING2 += -Wunused-const-variable=2
382
383# Level 3 - very pedantic, frequently ignored
384WARNING3 := -Wbad-function-cast
385WARNING3 += -Waggregate-return
386WARNING3 += -Wnested-externs
387WARNING3 += -Wcast-align
388WARNING3 += -Wcast-qual
389WARNING3 += -Wconversion
390WARNING3 += -Wpacked
391WARNING3 += -Wpointer-arith
392WARNING3 += -Wswitch-default
393
394# Setting W is quite verbose and most warnings will be pre-existing issues
395# outside of the contributor's control. Don't fail the build on them so warnings
396# can be seen and hopefully addressed
397ifdef W
398ifneq (${W},0)
399E	 ?= 0
400endif
401endif
402
403ifeq (${W},1)
404WARNINGS += $(WARNING1)
405else ifeq (${W},2)
406WARNINGS += $(WARNING1) $(WARNING2)
407else ifeq (${W},3)
408WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3)
409endif
410
411# Compiler specific warnings
412ifeq ($(findstring clang,$(notdir $(CC))),)
413# not using clang
414WARNINGS	+=		-Wunused-but-set-variable -Wmaybe-uninitialized	\
415				-Wpacked-bitfield-compat -Wshift-overflow=2 \
416				-Wlogical-op
417
418# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105523
419TF_CFLAGS		+= 	$(call cc_option, --param=min-pagesize=0)
420
421else
422# using clang
423WARNINGS	+=		-Wshift-overflow -Wshift-sign-overflow \
424				-Wlogical-op-parentheses
425endif
426
427ifneq (${E},0)
428ERRORS := -Werror
429endif
430
431CPPFLAGS		=	${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc	\
432				$(ERRORS) $(WARNINGS)
433ASFLAGS			+=	$(CPPFLAGS) $(ASFLAGS_$(ARCH))			\
434				-ffreestanding -Wa,--fatal-warnings
435TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
436				-ffunction-sections -fdata-sections		\
437				-ffreestanding -fno-builtin -fno-common		\
438				-Os -std=gnu99
439
440$(eval $(call add_define,SVE_VECTOR_LEN))
441
442ifeq (${SANITIZE_UB},on)
443TF_CFLAGS		+=	-fsanitize=undefined -fno-sanitize-recover
444endif
445ifeq (${SANITIZE_UB},trap)
446TF_CFLAGS		+=	-fsanitize=undefined -fno-sanitize-recover	\
447				-fsanitize-undefined-trap-on-error
448endif
449
450GCC_V_OUTPUT		:=	$(shell $(CC) -v 2>&1)
451
452TF_LDFLAGS		+=	-z noexecstack
453
454# LD = armlink
455ifneq ($(findstring armlink,$(notdir $(LD))),)
456TF_LDFLAGS		+=	--diag_error=warning --lto_level=O1
457TF_LDFLAGS		+=	--remove --info=unused,unusedsymbols
458TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
459
460# LD = gcc (used when GCC LTO is enabled)
461else ifneq ($(findstring gcc,$(notdir $(LD))),)
462# Pass ld options with Wl or Xlinker switches
463TF_LDFLAGS		+=	-Wl,--fatal-warnings -O1
464TF_LDFLAGS		+=	-Wl,--gc-sections
465
466TF_LDFLAGS		+=	-Wl,-z,common-page-size=4096 # Configure page size constants
467TF_LDFLAGS		+=	-Wl,-z,max-page-size=4096
468
469ifeq ($(ENABLE_LTO),1)
470	ifeq (${ARCH},aarch64)
471		TF_LDFLAGS	+=	-flto -fuse-linker-plugin
472	endif
473endif
474# GCC automatically adds fix-cortex-a53-843419 flag when used to link
475# which breaks some builds, so disable if errata fix is not explicitly enabled
476ifneq (${ERRATA_A53_843419},1)
477	TF_LDFLAGS	+= 	-mno-fix-cortex-a53-843419
478endif
479TF_LDFLAGS		+= 	-nostdlib
480TF_LDFLAGS		+=	$(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH)))
481
482# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other
483else
484# With ld.bfd version 2.39 and newer new warnings are added. Skip those since we
485# are not loaded by a elf loader.
486TF_LDFLAGS		+=	$(call ld_option, --no-warn-rwx-segments)
487TF_LDFLAGS		+=	-O1
488TF_LDFLAGS		+=	--gc-sections
489
490TF_LDFLAGS		+=	-z common-page-size=4096 # Configure page size constants
491TF_LDFLAGS		+=	-z max-page-size=4096
492
493# ld.lld doesn't recognize the errata flags,
494# therefore don't add those in that case.
495# ld.lld reports section type mismatch warnings,
496# therefore don't add --fatal-warnings to it.
497ifeq ($(findstring ld.lld,$(notdir $(LD))),)
498TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH)) --fatal-warnings
499endif
500endif
501
502DTC_FLAGS		+=	-I dts -O dtb
503DTC_CPPFLAGS		+=	-P -nostdinc -Iinclude -Ifdts -undef \
504				-x assembler-with-cpp $(DEFINES)
505
506################################################################################
507# Common sources and include directories
508################################################################################
509include ${MAKE_HELPERS_DIRECTORY}arch_features.mk
510include lib/compiler-rt/compiler-rt.mk
511
512BL_COMMON_SOURCES	+=	common/bl_common.c			\
513				common/tf_log.c				\
514				common/${ARCH}/debug.S			\
515				drivers/console/multi_console.c		\
516				lib/${ARCH}/cache_helpers.S		\
517				lib/${ARCH}/misc_helpers.S		\
518				plat/common/plat_bl_common.c		\
519				plat/common/plat_log_common.c		\
520				plat/common/${ARCH}/plat_common.c	\
521				plat/common/${ARCH}/platform_helpers.S	\
522				${COMPILER_RT_SRCS}
523
524# Pointer Authentication sources
525ifeq (${ENABLE_PAUTH}, 1)
526# arm/common/aarch64/arm_pauth.c contains a sample platform hook to complete the
527# Pauth support. As it's not secure, it must be reimplemented for real platforms
528BL_COMMON_SOURCES	+=	lib/extensions/pauth/pauth_helpers.S
529endif
530
531ifeq ($(notdir $(CC)),armclang)
532BL_COMMON_SOURCES	+=	lib/${ARCH}/armclang_printf.S
533endif
534
535ifeq (${SANITIZE_UB},on)
536BL_COMMON_SOURCES	+=	plat/common/ubsan.c
537endif
538
539INCLUDES		+=	-Iinclude				\
540				-Iinclude/arch/${ARCH}			\
541				-Iinclude/lib/cpus/${ARCH}		\
542				-Iinclude/lib/el3_runtime/${ARCH}	\
543				${PLAT_INCLUDES}			\
544				${SPD_INCLUDES}
545
546include common/backtrace/backtrace.mk
547
548################################################################################
549# Generic definitions
550################################################################################
551
552include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
553
554ifeq (${BUILD_BASE},)
555     BUILD_BASE		:=	./build
556endif
557BUILD_PLAT		:=	$(abspath ${BUILD_BASE})/${PLAT}/${BUILD_TYPE}
558
559SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
560
561# Platforms providing their own TBB makefile may override this value
562INCLUDE_TBBR_MK		:=	1
563
564
565################################################################################
566# Include SPD Makefile if one has been specified
567################################################################################
568
569ifneq (${SPD},none)
570    ifeq (${ARCH},aarch32)
571        $(error "Error: SPD is incompatible with AArch32.")
572    endif
573
574    ifdef EL3_PAYLOAD_BASE
575        $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
576        $(warning "The SPD and its BL32 companion will be present but ignored.")
577    endif
578
579    ifeq (${SPD},spmd)
580        # SPMD is located in std_svc directory
581        SPD_DIR := std_svc
582
583        ifeq ($(SPMD_SPM_AT_SEL2),1)
584            CTX_INCLUDE_EL2_REGS := 1
585	    ifeq ($(SPMC_AT_EL3),1)
586                $(error SPM cannot be enabled in both S-EL2 and EL3.)
587            endif
588        endif
589
590        ifeq ($(findstring optee_sp,$(ARM_SPMC_MANIFEST_DTS)),optee_sp)
591            DTC_CPPFLAGS	+=	-DOPTEE_SP_FW_CONFIG
592        endif
593
594        ifeq ($(TS_SP_FW_CONFIG),1)
595            DTC_CPPFLAGS	+=	-DTS_SP_FW_CONFIG
596        endif
597
598        ifneq ($(ARM_BL2_SP_LIST_DTS),)
599            DTC_CPPFLAGS += -DARM_BL2_SP_LIST_DTS=$(ARM_BL2_SP_LIST_DTS)
600        endif
601
602        ifneq ($(SP_LAYOUT_FILE),)
603            BL2_ENABLE_SP_LOAD := 1
604        endif
605    else
606        # All other SPDs in spd directory
607        SPD_DIR := spd
608    endif
609
610    # We expect to locate an spd.mk under the specified SPD directory
611    SPD_MAKE	:=	$(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk)
612
613    ifeq (${SPD_MAKE},)
614        $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located)
615    endif
616    $(info Including ${SPD_MAKE})
617    include ${SPD_MAKE}
618
619    # If there's BL32 companion for the chosen SPD, we expect that the SPD's
620    # Makefile would set NEED_BL32 to "yes". In this case, the build system
621    # supports two mutually exclusive options:
622    # * BL32 is built from source: then BL32_SOURCES must contain the list
623    #   of source files to build BL32
624    # * BL32 is a prebuilt binary: then BL32 must point to the image file
625    #   that will be included in the FIP
626    # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
627    # over the sources.
628endif
629
630ifeq (${CTX_INCLUDE_EL2_REGS}, 1)
631ifeq (${SPD},none)
632ifeq (${ENABLE_RME},0)
633    $(error CTX_INCLUDE_EL2_REGS is available only when SPD or RME is enabled)
634endif
635endif
636endif
637
638################################################################################
639# Include rmmd Makefile if RME is enabled
640################################################################################
641
642ifneq (${ENABLE_RME},0)
643ifneq (${ARCH},aarch64)
644	$(error ENABLE_RME requires AArch64)
645endif
646ifeq ($(SPMC_AT_EL3),1)
647	$(error SPMC_AT_EL3 and ENABLE_RME cannot both be enabled.)
648endif
649include services/std_svc/rmmd/rmmd.mk
650$(warning "RME is an experimental feature")
651endif
652
653################################################################################
654# Include the platform specific Makefile after the SPD Makefile (the platform
655# makefile may use all previous definitions in this file)
656################################################################################
657
658include ${PLAT_MAKEFILE_FULL}
659
660# This internal flag is common option which is set to 1 for scenarios
661# when the BL2 is running in EL3 level. This occurs in two scenarios -
662# 4 world system running BL2 at EL3 and two world system without BL1 running
663# BL2 in EL3
664
665ifeq (${RESET_TO_BL2},1)
666	BL2_RUNS_AT_EL3	:=	1
667    ifeq (${ENABLE_RME},1)
668        $(error RESET_TO_BL2=1 and ENABLE_RME=1 configuration is not supported at the moment.)
669    endif
670else ifeq (${ENABLE_RME},1)
671	BL2_RUNS_AT_EL3	:=	1
672else
673	BL2_RUNS_AT_EL3	:=	0
674endif
675
676$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT}))
677
678ifeq (${ARM_ARCH_MAJOR},7)
679include make_helpers/armv7-a-cpus.mk
680endif
681
682PIE_FOUND		:=	$(findstring --enable-default-pie,${GCC_V_OUTPUT})
683ifneq ($(PIE_FOUND),)
684	TF_CFLAGS	+=	-fno-PIE
685ifneq ($(findstring gcc,$(notdir $(LD))),)
686	TF_LDFLAGS	+=	-no-pie
687endif
688endif
689
690ifneq ($(findstring gcc,$(notdir $(LD))),)
691	PIE_LDFLAGS	+=	-Wl,-pie -Wl,--no-dynamic-linker
692else
693	PIE_LDFLAGS	+=	-pie --no-dynamic-linker
694endif
695
696ifeq ($(ENABLE_PIE),1)
697ifeq ($(RESET_TO_BL2),1)
698ifneq ($(BL2_IN_XIP_MEM),1)
699	BL2_CPPFLAGS	+=	-fpie
700	BL2_CFLAGS	+=	-fpie
701	BL2_LDFLAGS	+=	$(PIE_LDFLAGS)
702endif
703endif
704	BL31_CPPFLAGS	+=	-fpie
705	BL31_CFLAGS 	+=	-fpie
706	BL31_LDFLAGS	+=	$(PIE_LDFLAGS)
707
708	BL32_CPPFLAGS	+=	-fpie
709	BL32_CFLAGS	+=	-fpie
710	BL32_LDFLAGS	+=	$(PIE_LDFLAGS)
711endif
712
713ifeq (${ARCH},aarch64)
714BL1_CPPFLAGS += -DIMAGE_AT_EL3
715ifeq ($(RESET_TO_BL2),1)
716BL2_CPPFLAGS += -DIMAGE_AT_EL3
717else
718BL2_CPPFLAGS += -DIMAGE_AT_EL1
719endif
720BL2U_CPPFLAGS += -DIMAGE_AT_EL1
721BL31_CPPFLAGS += -DIMAGE_AT_EL3
722BL32_CPPFLAGS += -DIMAGE_AT_EL1
723endif
724
725# Include the CPU specific operations makefile, which provides default
726# values for all CPU errata workarounds and CPU specific optimisations.
727# This can be overridden by the platform.
728include lib/cpus/cpu-ops.mk
729
730ifeq (${ARCH},aarch32)
731NEED_BL32 := yes
732
733################################################################################
734# Build `AARCH32_SP` as BL32 image for AArch32
735################################################################################
736ifneq (${AARCH32_SP},none)
737# We expect to locate an sp.mk under the specified AARCH32_SP directory
738AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
739
740ifeq (${AARCH32_SP_MAKE},)
741  $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
742endif
743
744$(info Including ${AARCH32_SP_MAKE})
745include ${AARCH32_SP_MAKE}
746endif
747
748endif
749
750################################################################################
751# Include libc if not overridden
752################################################################################
753ifeq (${OVERRIDE_LIBC},0)
754include lib/libc/libc.mk
755endif
756
757################################################################################
758# Check incompatible options
759################################################################################
760
761ifdef EL3_PAYLOAD_BASE
762        ifdef PRELOADED_BL33_BASE
763                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
764                incompatible build options. EL3_PAYLOAD_BASE has priority.")
765        endif
766        ifneq (${GENERATE_COT},0)
767                $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.")
768        endif
769        ifneq (${TRUSTED_BOARD_BOOT},0)
770                $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.")
771        endif
772endif
773
774ifeq (${NEED_BL33},yes)
775        ifdef EL3_PAYLOAD_BASE
776                $(warning "BL33 image is not needed when option \
777                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
778        endif
779        ifdef PRELOADED_BL33_BASE
780                $(warning "BL33 image is not needed when option \
781                PRELOADED_BL33_BASE is used and won't be added to the FIP \
782                file.")
783        endif
784endif
785
786# When building for systems with hardware-assisted coherency, there's no need to
787# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
788ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
789$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
790endif
791
792#For now, BL2_IN_XIP_MEM is only supported when RESET_TO_BL2 is 1.
793ifeq ($(RESET_TO_BL2)-$(BL2_IN_XIP_MEM),0-1)
794$(error "BL2_IN_XIP_MEM is only supported when RESET_TO_BL2 is enabled")
795endif
796
797# RAS_EXTENSION is deprecated, provide alternate build options
798ifeq ($(RAS_EXTENSION),1)
799    $(error "RAS_EXTENSION is now deprecated, please use ENABLE_FEAT_RAS and RAS_FFH_SUPPORT instead")
800endif
801# RAS firmware first handling requires that EAs are handled in EL3 first
802ifeq ($(RAS_FFH_SUPPORT),1)
803    ifneq ($(ENABLE_FEAT_RAS),1)
804        $(error For RAS_FFH_SUPPORT, ENABLE_FEAT_RAS must also be 1)
805    endif
806    ifneq ($(HANDLE_EA_EL3_FIRST_NS),1)
807        $(error For RAS_FFH_SUPPORT, HANDLE_EA_EL3_FIRST_NS must also be 1)
808    endif
809endif
810# When FAULT_INJECTION_SUPPORT is used, require that FEAT_RAS is enabled
811ifeq ($(FAULT_INJECTION_SUPPORT),1)
812    ifeq ($(ENABLE_FEAT_RAS),0)
813        $(error For FAULT_INJECTION_SUPPORT, ENABLE_FEAT_RAS must not be 0)
814    endif
815endif
816
817# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1
818ifeq ($(DYN_DISABLE_AUTH), 1)
819    ifeq (${TRUSTED_BOARD_BOOT}, 0)
820        $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.")
821    endif
822endif
823
824ifeq ($(MEASURED_BOOT)-$(TRUSTED_BOARD_BOOT),1-1)
825# Support authentication verification and hash calculation
826    CRYPTO_SUPPORT := 3
827else ifeq ($(DRTM_SUPPORT)-$(TRUSTED_BOARD_BOOT),1-1)
828# Support authentication verification and hash calculation
829    CRYPTO_SUPPORT := 3
830else ifneq ($(filter 1,${MEASURED_BOOT} ${DRTM_SUPPORT}),)
831# Support hash calculation only
832    CRYPTO_SUPPORT := 2
833else ifeq (${TRUSTED_BOARD_BOOT},1)
834# Support authentication verification only
835    CRYPTO_SUPPORT := 1
836else
837    CRYPTO_SUPPORT := 0
838endif
839
840# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled.
841ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1)
842$(error "SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled")
843endif
844
845# If pointer authentication is used in the firmware, make sure that all the
846# registers associated to it are also saved and restored.
847# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1.
848ifeq ($(ENABLE_PAUTH),1)
849    ifeq ($(CTX_INCLUDE_PAUTH_REGS),0)
850        $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1)
851    endif
852endif
853
854ifeq ($(CTX_INCLUDE_PAUTH_REGS),1)
855    ifneq (${ARCH},aarch64)
856        $(error CTX_INCLUDE_PAUTH_REGS requires AArch64)
857    endif
858endif
859
860ifeq ($(CTX_INCLUDE_MTE_REGS),1)
861    ifneq (${ARCH},aarch64)
862        $(error CTX_INCLUDE_MTE_REGS requires AArch64)
863    endif
864endif
865
866ifeq ($(PSA_FWU_SUPPORT),1)
867    $(info PSA_FWU_SUPPORT is an experimental feature)
868endif
869
870ifeq ($(FEATURE_DETECTION),1)
871    $(info FEATURE_DETECTION is an experimental feature)
872endif
873
874ifneq ($(ENABLE_SME2_FOR_NS), 0)
875    ifeq (${ENABLE_SME_FOR_NS}, 0)
876        $(warning "ENABLE_SME2_FOR_NS requires ENABLE_SME_FOR_NS also to be set")
877        $(warning "Forced ENABLE_SME_FOR_NS=1")
878        override ENABLE_SME_FOR_NS	:= 1
879    endif
880endif
881
882ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1)
883    ifeq (${ALLOW_RO_XLAT_TABLES}, 1)
884        $(error "ALLOW_RO_XLAT_TABLES requires translation tables library v2")
885    endif
886endif
887
888ifneq (${DECRYPTION_SUPPORT},none)
889    ifeq (${TRUSTED_BOARD_BOOT}, 0)
890        $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT to be set)
891    endif
892endif
893
894# Ensure that no Aarch64-only features are enabled in Aarch32 build
895ifeq (${ARCH},aarch32)
896
897    # SME/SVE only supported on AArch64
898    ifneq (${ENABLE_SME_FOR_NS},0)
899        $(error "ENABLE_SME_FOR_NS cannot be used with ARCH=aarch32")
900    endif
901
902    ifeq (${ENABLE_SVE_FOR_NS},1)
903        # Warning instead of error due to CI dependency on this
904        $(error "ENABLE_SVE_FOR_NS cannot be used with ARCH=aarch32")
905    endif
906
907    # BRBE is not supported in AArch32
908    ifeq (${ENABLE_BRBE_FOR_NS},1)
909        $(error "ENABLE_BRBE_FOR_NS cannot be used with ARCH=aarch32")
910    endif
911
912    # FEAT_RNG_TRAP is not supported in AArch32
913    ifeq (${ENABLE_FEAT_RNG_TRAP},1)
914        $(error "ENABLE_FEAT_RNG_TRAP cannot be used with ARCH=aarch32")
915    endif
916endif
917
918# Ensure ENABLE_RME is not used with SME
919ifeq (${ENABLE_RME},1)
920    ifneq (${ENABLE_SME_FOR_NS},0)
921        $(error "ENABLE_SME_FOR_NS cannot be used with ENABLE_RME")
922    endif
923endif
924
925ifneq (${ENABLE_SME_FOR_NS},0)
926    ifeq (${ENABLE_SVE_FOR_NS},0)
927        $(error "ENABLE_SME_FOR_NS requires ENABLE_SVE_FOR_NS")
928    endif
929endif
930
931# Secure SME/SVE requires the non-secure component as well
932ifeq (${ENABLE_SME_FOR_SWD},1)
933    ifeq (${ENABLE_SME_FOR_NS},0)
934        $(error "ENABLE_SME_FOR_SWD requires ENABLE_SME_FOR_NS")
935    endif
936    ifeq (${ENABLE_SVE_FOR_SWD},0)
937        $(error "ENABLE_SME_FOR_SWD requires ENABLE_SVE_FOR_SWD")
938    endif
939endif
940ifeq (${ENABLE_SVE_FOR_SWD},1)
941    ifeq (${ENABLE_SVE_FOR_NS},0)
942        $(error "ENABLE_SVE_FOR_SWD requires ENABLE_SVE_FOR_NS")
943    endif
944endif
945
946# SVE and SME cannot be used with CTX_INCLUDE_FPREGS since secure manager does
947# its own context management including FPU registers.
948ifeq (${CTX_INCLUDE_FPREGS},1)
949    ifneq (${ENABLE_SME_FOR_NS},0)
950        $(error "ENABLE_SME_FOR_NS cannot be used with CTX_INCLUDE_FPREGS")
951    endif
952
953    ifeq (${ENABLE_SVE_FOR_NS},1)
954        # Warning instead of error due to CI dependency on this
955        $(warning "ENABLE_SVE_FOR_NS cannot be used with CTX_INCLUDE_FPREGS")
956        $(warning "Forced ENABLE_SVE_FOR_NS=0")
957        override ENABLE_SVE_FOR_NS	:= 0
958    endif
959endif
960
961ifeq ($(DRTM_SUPPORT),1)
962    $(info DRTM_SUPPORT is an experimental feature)
963endif
964
965ifeq (${ENABLE_RME},1)
966    ifneq (${SEPARATE_CODE_AND_RODATA},1)
967        $(error `ENABLE_RME=1` requires `SEPARATE_CODE_AND_RODATA=1`)
968    endif
969endif
970
971################################################################################
972# Process platform overrideable behaviour
973################################################################################
974
975ifdef BL1_SOURCES
976NEED_BL1 := yes
977endif
978
979ifdef BL2_SOURCES
980	NEED_BL2 := yes
981
982	# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and
983	# Certificate generation tools. This flag can be overridden by the platform.
984	ifdef EL3_PAYLOAD_BASE
985                # If booting an EL3 payload there is no need for a BL33 image
986                # in the FIP file.
987                NEED_BL33		:=	no
988        else
989                ifdef PRELOADED_BL33_BASE
990                        # If booting a BL33 preloaded image there is no need of
991                        # another one in the FIP file.
992                        NEED_BL33		:=	no
993                else
994                        NEED_BL33		?=	yes
995                endif
996        endif
997endif
998
999ifdef BL2U_SOURCES
1000NEED_BL2U := yes
1001endif
1002
1003# If SCP_BL2 is given, we always want FIP to include it.
1004ifdef SCP_BL2
1005        NEED_SCP_BL2		:=	yes
1006endif
1007
1008# For AArch32, BL31 is not currently supported.
1009ifneq (${ARCH},aarch32)
1010    ifdef BL31_SOURCES
1011        # When booting an EL3 payload, there is no need to compile the BL31 image nor
1012        # put it in the FIP.
1013        ifndef EL3_PAYLOAD_BASE
1014            NEED_BL31 := yes
1015        endif
1016    endif
1017endif
1018
1019# Process TBB related flags
1020ifneq (${GENERATE_COT},0)
1021        # Common cert_create options
1022        ifneq (${CREATE_KEYS},0)
1023                $(eval CRT_ARGS += -n)
1024                $(eval FWU_CRT_ARGS += -n)
1025                ifneq (${SAVE_KEYS},0)
1026                        $(eval CRT_ARGS += -k)
1027                        $(eval FWU_CRT_ARGS += -k)
1028                endif
1029        endif
1030        # Include TBBR makefile (unless the platform indicates otherwise)
1031        ifeq (${INCLUDE_TBBR_MK},1)
1032                include make_helpers/tbbr/tbbr_tools.mk
1033        endif
1034endif
1035
1036ifneq (${FIP_ALIGN},0)
1037FIP_ARGS += --align ${FIP_ALIGN}
1038endif
1039
1040ifdef FDT_SOURCES
1041NEED_FDT := yes
1042endif
1043
1044################################################################################
1045# Include libraries' Makefile that are used in all BL
1046################################################################################
1047
1048include lib/stack_protector/stack_protector.mk
1049
1050################################################################################
1051# Auxiliary tools (fiptool, cert_create, etc)
1052################################################################################
1053
1054# Variables for use with Certificate Generation Tool
1055CRTTOOLPATH		?=	tools/cert_create
1056CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
1057
1058# Variables for use with Firmware Encryption Tool
1059ENCTOOLPATH		?=	tools/encrypt_fw
1060ENCTOOL			?=	${ENCTOOLPATH}/encrypt_fw${BIN_EXT}
1061
1062# Variables for use with Firmware Image Package
1063FIPTOOLPATH		?=	tools/fiptool
1064FIPTOOL			?=	${BUILD_PLAT}/fiptool${BIN_EXT}
1065
1066# Variables for use with sptool
1067SPTOOLPATH		?=	tools/sptool
1068SPTOOL			?=	${SPTOOLPATH}/sptool.py
1069SP_MK_GEN		?=	${SPTOOLPATH}/sp_mk_generator.py
1070
1071# Variables for use with ROMLIB
1072ROMLIBPATH		?=	lib/romlib
1073
1074# Variable for use with Python
1075PYTHON			?=	python3
1076
1077# Variables for use with PRINT_MEMORY_MAP
1078PRINT_MEMORY_MAP_PATH		?=	tools/memory
1079PRINT_MEMORY_MAP		?=	${PRINT_MEMORY_MAP_PATH}/print_memory_map.py
1080INVERTED_MEMMAP			?=	0
1081
1082# Variables for use with documentation build using Sphinx tool
1083DOCS_PATH		?=	docs
1084
1085# Defination of SIMICS flag
1086SIMICS_BUILD	?=	0
1087
1088################################################################################
1089# Include BL specific makefiles
1090################################################################################
1091
1092ifeq (${NEED_BL1},yes)
1093include bl1/bl1.mk
1094endif
1095
1096ifeq (${NEED_BL2},yes)
1097include bl2/bl2.mk
1098endif
1099
1100ifeq (${NEED_BL2U},yes)
1101include bl2u/bl2u.mk
1102endif
1103
1104ifeq (${NEED_BL31},yes)
1105include bl31/bl31.mk
1106endif
1107
1108################################################################################
1109# Build options checks
1110################################################################################
1111
1112$(eval $(call assert_booleans,\
1113    $(sort \
1114        ALLOW_RO_XLAT_TABLES \
1115        BL2_ENABLE_SP_LOAD \
1116        COLD_BOOT_SINGLE_CPU \
1117        CREATE_KEYS \
1118        CTX_INCLUDE_AARCH32_REGS \
1119        CTX_INCLUDE_FPREGS \
1120        CTX_INCLUDE_EL2_REGS \
1121        DEBUG \
1122        DISABLE_MTPMU \
1123        DYN_DISABLE_AUTH \
1124        EL3_EXCEPTION_HANDLING \
1125        ENABLE_AMU_AUXILIARY_COUNTERS \
1126        ENABLE_AMU_FCONF \
1127        AMU_RESTRICT_COUNTERS \
1128        ENABLE_ASSERTIONS \
1129        ENABLE_FEAT_SB \
1130        ENABLE_PIE \
1131        ENABLE_PMF \
1132        ENABLE_PSCI_STAT \
1133        ENABLE_RUNTIME_INSTRUMENTATION \
1134        ENABLE_SME_FOR_SWD \
1135        ENABLE_SVE_FOR_SWD \
1136        ERROR_DEPRECATED \
1137        FAULT_INJECTION_SUPPORT \
1138        GENERATE_COT \
1139        GICV2_G0_FOR_EL3 \
1140        HANDLE_EA_EL3_FIRST_NS \
1141        HW_ASSISTED_COHERENCY \
1142        INVERTED_MEMMAP \
1143        MEASURED_BOOT \
1144        DRTM_SUPPORT \
1145        NS_TIMER_SWITCH \
1146        OVERRIDE_LIBC \
1147        PL011_GENERIC_UART \
1148        PLAT_RSS_NOT_SUPPORTED \
1149        PROGRAMMABLE_RESET_ADDRESS \
1150        PSCI_EXTENDED_STATE_ID \
1151        PSCI_OS_INIT_MODE \
1152        RESET_TO_BL31 \
1153        SAVE_KEYS \
1154        SEPARATE_CODE_AND_RODATA \
1155        SEPARATE_BL2_NOLOAD_REGION \
1156        SEPARATE_NOBITS_REGION \
1157        SPIN_ON_BL1_EXIT \
1158        SPM_MM \
1159        SPMC_AT_EL3 \
1160        SPMD_SPM_AT_SEL2 \
1161        TRUSTED_BOARD_BOOT \
1162        USE_COHERENT_MEM \
1163        USE_DEBUGFS \
1164        ARM_IO_IN_DTB \
1165        SDEI_IN_FCONF \
1166        SEC_INT_DESC_IN_FCONF \
1167        USE_ROMLIB \
1168        USE_TBBR_DEFS \
1169        WARMBOOT_ENABLE_DCACHE_EARLY \
1170        RESET_TO_BL2 \
1171        BL2_IN_XIP_MEM \
1172        BL2_INV_DCACHE \
1173        USE_SPINLOCK_CAS \
1174        ENCRYPT_BL31 \
1175        ENCRYPT_BL32 \
1176        ERRATA_SPECULATIVE_AT \
1177        RAS_TRAP_NS_ERR_REC_ACCESS \
1178        COT_DESC_IN_DTB \
1179        USE_SP804_TIMER \
1180        PSA_FWU_SUPPORT \
1181        ENABLE_MPMM \
1182        ENABLE_MPMM_FCONF \
1183        SIMICS_BUILD \
1184        FEATURE_DETECTION \
1185	TRNG_SUPPORT \
1186	ERRATA_ABI_SUPPORT \
1187	ERRATA_NON_ARM_INTERCONNECT \
1188	CONDITIONAL_CMO \
1189	RAS_FFH_SUPPORT \
1190)))
1191
1192$(eval $(call assert_numerics,\
1193    $(sort \
1194        ARM_ARCH_MAJOR \
1195        ARM_ARCH_MINOR \
1196        BRANCH_PROTECTION \
1197        CTX_INCLUDE_PAUTH_REGS \
1198        CTX_INCLUDE_MTE_REGS \
1199        CTX_INCLUDE_NEVE_REGS \
1200        CRYPTO_SUPPORT \
1201        ENABLE_BRBE_FOR_NS \
1202        ENABLE_TRBE_FOR_NS \
1203        ENABLE_BTI \
1204        ENABLE_PAUTH \
1205        ENABLE_FEAT_AMU \
1206        ENABLE_FEAT_AMUv1p1 \
1207        ENABLE_FEAT_CSV2_2 \
1208        ENABLE_FEAT_RAS	\
1209        ENABLE_FEAT_DIT \
1210        ENABLE_FEAT_ECV \
1211        ENABLE_FEAT_FGT \
1212        ENABLE_FEAT_HCX \
1213        ENABLE_FEAT_PAN \
1214        ENABLE_FEAT_RNG \
1215        ENABLE_FEAT_RNG_TRAP \
1216        ENABLE_FEAT_SEL2 \
1217        ENABLE_FEAT_TCR2 \
1218        ENABLE_FEAT_S2PIE \
1219        ENABLE_FEAT_S1PIE \
1220        ENABLE_FEAT_S2POE \
1221        ENABLE_FEAT_S1POE \
1222        ENABLE_FEAT_GCS \
1223        ENABLE_FEAT_VHE \
1224        ENABLE_MPAM_FOR_LOWER_ELS \
1225        ENABLE_RME \
1226        ENABLE_SPE_FOR_NS \
1227        ENABLE_SYS_REG_TRACE_FOR_NS \
1228        ENABLE_SME_FOR_NS \
1229        ENABLE_SME2_FOR_NS \
1230        ENABLE_SVE_FOR_NS \
1231        ENABLE_TRF_FOR_NS \
1232        FW_ENC_STATUS \
1233        NR_OF_FW_BANKS \
1234        NR_OF_IMAGES_IN_FW_BANK \
1235        TWED_DELAY \
1236        ENABLE_FEAT_TWED \
1237        SVE_VECTOR_LEN \
1238	IMPDEF_SYSREG_TRAP \
1239)))
1240
1241ifdef KEY_SIZE
1242        $(eval $(call assert_numeric,KEY_SIZE))
1243endif
1244
1245ifeq ($(filter $(SANITIZE_UB), on off trap),)
1246        $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap")
1247endif
1248
1249################################################################################
1250# Add definitions to the cpp preprocessor based on the current build options.
1251# This is done after including the platform specific makefile to allow the
1252# platform to overwrite the default options
1253################################################################################
1254
1255$(eval $(call add_defines,\
1256    $(sort \
1257        ALLOW_RO_XLAT_TABLES \
1258        ARM_ARCH_MAJOR \
1259        ARM_ARCH_MINOR \
1260        BL2_ENABLE_SP_LOAD \
1261        COLD_BOOT_SINGLE_CPU \
1262        CTX_INCLUDE_AARCH32_REGS \
1263        CTX_INCLUDE_FPREGS \
1264        CTX_INCLUDE_PAUTH_REGS \
1265        EL3_EXCEPTION_HANDLING \
1266        CTX_INCLUDE_MTE_REGS \
1267        CTX_INCLUDE_EL2_REGS \
1268        CTX_INCLUDE_NEVE_REGS \
1269        DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \
1270        DISABLE_MTPMU \
1271        ENABLE_FEAT_AMU \
1272        ENABLE_AMU_AUXILIARY_COUNTERS \
1273        ENABLE_AMU_FCONF \
1274        AMU_RESTRICT_COUNTERS \
1275        ENABLE_ASSERTIONS \
1276        ENABLE_BTI \
1277        ENABLE_MPAM_FOR_LOWER_ELS \
1278        ENABLE_PAUTH \
1279        ENABLE_PIE \
1280        ENABLE_PMF \
1281        ENABLE_PSCI_STAT \
1282        ENABLE_RME \
1283        ENABLE_RUNTIME_INSTRUMENTATION \
1284        ENABLE_SME_FOR_NS \
1285        ENABLE_SME2_FOR_NS \
1286        ENABLE_SME_FOR_SWD \
1287        ENABLE_SPE_FOR_NS \
1288        ENABLE_SVE_FOR_NS \
1289        ENABLE_SVE_FOR_SWD \
1290        ENCRYPT_BL31 \
1291        ENCRYPT_BL32 \
1292        ERROR_DEPRECATED \
1293        FAULT_INJECTION_SUPPORT \
1294        GICV2_G0_FOR_EL3 \
1295        HANDLE_EA_EL3_FIRST_NS \
1296        HW_ASSISTED_COHERENCY \
1297        LOG_LEVEL \
1298        MEASURED_BOOT \
1299        DRTM_SUPPORT \
1300        NS_TIMER_SWITCH \
1301        PL011_GENERIC_UART \
1302        PLAT_${PLAT} \
1303        PLAT_RSS_NOT_SUPPORTED \
1304        PROGRAMMABLE_RESET_ADDRESS \
1305        PSCI_EXTENDED_STATE_ID \
1306        PSCI_OS_INIT_MODE \
1307        ENABLE_FEAT_RAS \
1308        RAS_FFH_SUPPORT \
1309        RESET_TO_BL31 \
1310        SEPARATE_CODE_AND_RODATA \
1311        SEPARATE_BL2_NOLOAD_REGION \
1312        SEPARATE_NOBITS_REGION \
1313        RECLAIM_INIT_CODE \
1314        SPD_${SPD} \
1315        SPIN_ON_BL1_EXIT \
1316        SPM_MM \
1317        SPMC_AT_EL3 \
1318        SPMD_SPM_AT_SEL2 \
1319        TRUSTED_BOARD_BOOT \
1320        CRYPTO_SUPPORT \
1321        TRNG_SUPPORT \
1322        ERRATA_ABI_SUPPORT \
1323	ERRATA_NON_ARM_INTERCONNECT \
1324        USE_COHERENT_MEM \
1325        USE_DEBUGFS \
1326        ARM_IO_IN_DTB \
1327        SDEI_IN_FCONF \
1328        SEC_INT_DESC_IN_FCONF \
1329        USE_ROMLIB \
1330        USE_TBBR_DEFS \
1331        WARMBOOT_ENABLE_DCACHE_EARLY \
1332        RESET_TO_BL2 \
1333        BL2_RUNS_AT_EL3	\
1334        BL2_IN_XIP_MEM \
1335        BL2_INV_DCACHE \
1336        USE_SPINLOCK_CAS \
1337        ERRATA_SPECULATIVE_AT \
1338        RAS_TRAP_NS_ERR_REC_ACCESS \
1339        COT_DESC_IN_DTB \
1340        USE_SP804_TIMER \
1341        ENABLE_FEAT_RNG \
1342        ENABLE_FEAT_RNG_TRAP \
1343        ENABLE_FEAT_SB \
1344        ENABLE_FEAT_DIT \
1345        NR_OF_FW_BANKS \
1346        NR_OF_IMAGES_IN_FW_BANK \
1347        PSA_FWU_SUPPORT \
1348        ENABLE_BRBE_FOR_NS \
1349        ENABLE_TRBE_FOR_NS \
1350        ENABLE_SYS_REG_TRACE_FOR_NS \
1351        ENABLE_TRF_FOR_NS \
1352        ENABLE_FEAT_HCX \
1353        ENABLE_MPMM \
1354        ENABLE_MPMM_FCONF \
1355        ENABLE_FEAT_FGT \
1356        ENABLE_FEAT_ECV \
1357        SIMICS_BUILD \
1358        ENABLE_FEAT_AMUv1p1 \
1359        ENABLE_FEAT_SEL2 \
1360        ENABLE_FEAT_VHE \
1361        ENABLE_FEAT_CSV2_2 \
1362        ENABLE_FEAT_PAN \
1363        ENABLE_FEAT_TCR2 \
1364        ENABLE_FEAT_S2PIE \
1365        ENABLE_FEAT_S1PIE \
1366        ENABLE_FEAT_S2POE \
1367        ENABLE_FEAT_S1POE \
1368        ENABLE_FEAT_GCS \
1369        FEATURE_DETECTION \
1370        TWED_DELAY \
1371        ENABLE_FEAT_TWED \
1372	CONDITIONAL_CMO \
1373	IMPDEF_SYSREG_TRAP \
1374)))
1375
1376ifeq (${SANITIZE_UB},trap)
1377        $(eval $(call add_define,MONITOR_TRAPS))
1378endif
1379
1380# Define the EL3_PAYLOAD_BASE flag only if it is provided.
1381ifdef EL3_PAYLOAD_BASE
1382        $(eval $(call add_define,EL3_PAYLOAD_BASE))
1383else
1384        # Define the PRELOADED_BL33_BASE flag only if it is provided and
1385        # EL3_PAYLOAD_BASE is not defined, as it has priority.
1386        ifdef PRELOADED_BL33_BASE
1387                $(eval $(call add_define,PRELOADED_BL33_BASE))
1388        endif
1389endif
1390
1391# Define the DYN_DISABLE_AUTH flag only if set.
1392ifeq (${DYN_DISABLE_AUTH},1)
1393$(eval $(call add_define,DYN_DISABLE_AUTH))
1394endif
1395
1396ifneq ($(findstring armlink,$(notdir $(LD))),)
1397$(eval $(call add_define,USE_ARM_LINK))
1398endif
1399
1400# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined
1401ifeq (${SPD},spmd)
1402ifdef SP_LAYOUT_FILE
1403        -include $(BUILD_PLAT)/sp_gen.mk
1404        FIP_DEPS += sp
1405        CRT_DEPS += sp
1406        NEED_SP_PKG := yes
1407else
1408        ifeq (${SPMD_SPM_AT_SEL2},1)
1409            $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE")
1410        endif
1411endif
1412endif
1413
1414################################################################################
1415# Build targets
1416################################################################################
1417
1418.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc enctool
1419.SUFFIXES:
1420
1421all: msg_start
1422
1423msg_start:
1424	@echo "Building ${PLAT}"
1425
1426ifeq (${ERROR_DEPRECATED},0)
1427# Check if deprecated declarations and cpp warnings should be treated as error or not.
1428ifneq ($(findstring clang,$(notdir $(CC))),)
1429    CPPFLAGS		+= 	-Wno-error=deprecated-declarations
1430else
1431    CPPFLAGS		+= 	-Wno-error=deprecated-declarations -Wno-error=cpp
1432endif
1433endif # !ERROR_DEPRECATED
1434
1435$(eval $(call MAKE_LIB_DIRS))
1436$(eval $(call MAKE_LIB,c))
1437
1438# Expand build macros for the different images
1439ifeq (${NEED_BL1},yes)
1440BL1_SOURCES := $(sort ${BL1_SOURCES})
1441
1442$(eval $(call MAKE_BL,bl1))
1443endif
1444
1445ifeq (${NEED_BL2},yes)
1446ifeq (${RESET_TO_BL2}, 0)
1447FIP_BL2_ARGS := tb-fw
1448endif
1449
1450BL2_SOURCES := $(sort ${BL2_SOURCES})
1451
1452$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
1453	$(eval $(call MAKE_BL,bl2,${FIP_BL2_ARGS})))
1454endif
1455
1456ifeq (${NEED_SCP_BL2},yes)
1457$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw))
1458endif
1459
1460ifeq (${NEED_BL31},yes)
1461BL31_SOURCES += ${SPD_SOURCES}
1462# Sort BL31 source files to remove duplicates
1463BL31_SOURCES := $(sort ${BL31_SOURCES})
1464ifneq (${DECRYPTION_SUPPORT},none)
1465$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\
1466	$(eval $(call MAKE_BL,bl31,soc-fw,,$(ENCRYPT_BL31))))
1467else
1468$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
1469	$(eval $(call MAKE_BL,bl31,soc-fw)))
1470endif
1471endif
1472
1473# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
1474# build system will call TOOL_ADD_IMG to print a warning message and abort the
1475# process. Note that the dependency on BL32 applies to the FIP only.
1476ifeq (${NEED_BL32},yes)
1477# Sort BL32 source files to remove duplicates
1478BL32_SOURCES := $(sort ${BL32_SOURCES})
1479BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
1480
1481ifneq (${DECRYPTION_SUPPORT},none)
1482$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw,,$(ENCRYPT_BL32))),\
1483	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32))))
1484else
1485$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw)),\
1486	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
1487endif
1488endif
1489
1490# If RMM image is needed but RMM is not defined, Test Realm Payload (TRP)
1491# needs to be built from RMM_SOURCES.
1492ifeq (${NEED_RMM},yes)
1493# Sort RMM source files to remove duplicates
1494RMM_SOURCES := $(sort ${RMM_SOURCES})
1495BUILD_RMM := $(if $(RMM),,$(if $(RMM_SOURCES),1))
1496
1497$(if ${BUILD_RMM}, $(eval $(call MAKE_BL,rmm,rmm-fw)),\
1498         $(eval $(call TOOL_ADD_IMG,rmm,--rmm-fw)))
1499endif
1500
1501# Add the BL33 image if required by the platform
1502ifeq (${NEED_BL33},yes)
1503$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
1504endif
1505
1506ifeq (${NEED_BL2U},yes)
1507$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\
1508	$(eval $(call MAKE_BL,bl2u,ap-fwu-cfg,FWU_)))
1509endif
1510
1511# Expand build macros for the different images
1512ifeq (${NEED_FDT},yes)
1513    $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
1514endif
1515
1516# Add Secure Partition packages
1517ifeq (${NEED_SP_PKG},yes)
1518$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT}
1519	${Q}${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT}
1520sp: $(DTBS) $(BUILD_PLAT)/sp_gen.mk $(SP_PKGS)
1521	@${ECHO_BLANK_LINE}
1522	@echo "Built SP Images successfully"
1523	@${ECHO_BLANK_LINE}
1524endif
1525
1526locate-checkpatch:
1527ifndef CHECKPATCH
1528	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1529else
1530ifeq (,$(wildcard ${CHECKPATCH}))
1531	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1532endif
1533endif
1534
1535clean:
1536	@echo "  CLEAN"
1537	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
1538ifdef UNIX_MK
1539	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1540else
1541# Clear the MAKEFLAGS as we do not want
1542# to pass the gnumake flags to nmake.
1543	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) clean
1544endif
1545	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
1546	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean
1547	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1548
1549realclean distclean:
1550	@echo "  REALCLEAN"
1551	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
1552	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
1553ifdef UNIX_MK
1554	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1555else
1556# Clear the MAKEFLAGS as we do not want
1557# to pass the gnumake flags to nmake.
1558	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) realclean
1559endif
1560	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} realclean
1561	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean
1562	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1563
1564checkcodebase:		locate-checkpatch
1565	@echo "  CHECKING STYLE"
1566	@if test -d .git ; then						\
1567		git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' |	\
1568		while read GIT_FILE ;					\
1569		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
1570		done ;							\
1571	else								\
1572		 find . -type f -not -iwholename "*.git*"		\
1573		 -not -iwholename "*build*"				\
1574		 -not -iwholename "*libfdt*"				\
1575		 -not -iwholename "*libc*"				\
1576		 -not -iwholename "*docs*"				\
1577		 -not -iwholename "*.rst"				\
1578		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
1579	fi
1580
1581checkpatch:		locate-checkpatch
1582	@echo "  CHECKING STYLE"
1583	@if test -n "${CHECKPATCH_OPTS}"; then				\
1584		echo "    with ${CHECKPATCH_OPTS} option(s)";		\
1585	fi
1586	${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT});	\
1587	for commit in `git rev-list --no-merges $$COMMON_COMMIT..HEAD`;	\
1588	do								\
1589		printf "\n[*] Checking style of '$$commit'\n\n";	\
1590		git log --format=email "$$commit~..$$commit"		\
1591			-- ${CHECK_PATHS} |				\
1592			${CHECKPATCH} ${CHECKPATCH_OPTS} - || true;	\
1593		git diff --format=email "$$commit~..$$commit"		\
1594			-- ${CHECK_PATHS} |				\
1595			${CHECKPATCH}  ${CHECKPATCH_OPTS} - || true;	\
1596	done
1597
1598certtool: ${CRTTOOL}
1599
1600${CRTTOOL}: FORCE
1601	${Q}${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 ${CRTTOOLPATH} all
1602	@${ECHO_BLANK_LINE}
1603	@echo "Built $@ successfully"
1604	@${ECHO_BLANK_LINE}
1605
1606ifneq (${GENERATE_COT},0)
1607certificates: ${CRT_DEPS} ${CRTTOOL}
1608	${Q}${CRTTOOL} ${CRT_ARGS}
1609	@${ECHO_BLANK_LINE}
1610	@echo "Built $@ successfully"
1611	@echo "Certificates can be found in ${BUILD_PLAT}"
1612	@${ECHO_BLANK_LINE}
1613endif
1614
1615${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
1616	$(eval ${CHECK_FIP_CMD})
1617	${Q}${FIPTOOL} create ${FIP_ARGS} $@
1618	${Q}${FIPTOOL} info $@
1619	@${ECHO_BLANK_LINE}
1620	@echo "Built $@ successfully"
1621	@${ECHO_BLANK_LINE}
1622
1623ifneq (${GENERATE_COT},0)
1624fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
1625	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
1626	@${ECHO_BLANK_LINE}
1627	@echo "Built $@ successfully"
1628	@echo "FWU certificates can be found in ${BUILD_PLAT}"
1629	@${ECHO_BLANK_LINE}
1630endif
1631
1632${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
1633	$(eval ${CHECK_FWU_FIP_CMD})
1634	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
1635	${Q}${FIPTOOL} info $@
1636	@${ECHO_BLANK_LINE}
1637	@echo "Built $@ successfully"
1638	@${ECHO_BLANK_LINE}
1639
1640fiptool: ${FIPTOOL}
1641fip: ${BUILD_PLAT}/${FIP_NAME}
1642fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
1643
1644${FIPTOOL}: FORCE
1645ifdef UNIX_MK
1646	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} OPENSSL_DIR=${OPENSSL_DIR} DEBUG=${DEBUG} V=${V} --no-print-directory -C ${FIPTOOLPATH} all
1647else
1648# Clear the MAKEFLAGS as we do not want
1649# to pass the gnumake flags to nmake.
1650	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL))
1651endif
1652
1653romlib.bin: libraries FORCE
1654	${Q}${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
1655
1656# Call print_memory_map tool
1657memmap: all
1658	${Q}${PYTHON} ${PRINT_MEMORY_MAP} ${BUILD_PLAT} ${INVERTED_MEMMAP}
1659
1660doc:
1661	@echo "  BUILD DOCUMENTATION"
1662	${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html
1663
1664enctool: ${ENCTOOL}
1665
1666${ENCTOOL}: FORCE
1667	${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} DEBUG=${DEBUG} V=${V} --no-print-directory -C ${ENCTOOLPATH} all
1668	@${ECHO_BLANK_LINE}
1669	@echo "Built $@ successfully"
1670	@${ECHO_BLANK_LINE}
1671
1672cscope:
1673	@echo "  CSCOPE"
1674	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
1675	${Q}cscope -b -q -k
1676
1677help:
1678	@echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]"
1679	@echo ""
1680	@echo "PLAT is used to specify which platform you wish to build."
1681	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
1682	@echo ""
1683	@echo "platform = ${PLATFORM_LIST}"
1684	@echo ""
1685	@echo "Please refer to the User Guide for a list of all supported options."
1686	@echo "Note that the build system doesn't track dependencies for build "
1687	@echo "options. Therefore, if any of the build options are changed "
1688	@echo "from a previous build, a clean build must be performed."
1689	@echo ""
1690	@echo "Supported Targets:"
1691	@echo "  all            Build all individual bootloader binaries"
1692	@echo "  bl1            Build the BL1 binary"
1693	@echo "  bl2            Build the BL2 binary"
1694	@echo "  bl2u           Build the BL2U binary"
1695	@echo "  bl31           Build the BL31 binary"
1696	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
1697	@echo "                 this builds secure payload specified by AARCH32_SP"
1698	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
1699	@echo "  fip            Build the Firmware Image Package (FIP)"
1700	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
1701	@echo "  checkcodebase  Check the coding style of the entire source tree"
1702	@echo "  checkpatch     Check the coding style on changes in the current"
1703	@echo "                 branch against BASE_COMMIT (default origin/master)"
1704	@echo "  clean          Clean the build for the selected platform"
1705	@echo "  cscope         Generate cscope index"
1706	@echo "  distclean      Remove all build artifacts for all platforms"
1707	@echo "  certtool       Build the Certificate generation tool"
1708	@echo "  enctool        Build the Firmware encryption tool"
1709	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
1710	@echo "  sp             Build the Secure Partition Packages"
1711	@echo "  sptool         Build the Secure Partition Package creation tool"
1712	@echo "  dtbs           Build the Device Tree Blobs (if required for the platform)"
1713	@echo "  memmap         Print the memory map of the built binaries"
1714	@echo "  doc            Build html based documentation using Sphinx tool"
1715	@echo ""
1716	@echo "Note: most build targets require PLAT to be set to a specific platform."
1717	@echo ""
1718	@echo "example: build all targets for the FVP platform:"
1719	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
1720
1721.PHONY: FORCE
1722FORCE:;
1723