1#
2# Copyright (c) 2013-2022, 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			:= 7
12
13# Default goal is build all images
14.DEFAULT_GOAL			:= all
15
16# Avoid any implicit propagation of command line variable definitions to
17# sub-Makefiles, like CFLAGS that we reserved for the firmware images'
18# usage. Other command line options like "-s" are still propagated as usual.
19MAKEOVERRIDES =
20
21MAKE_HELPERS_DIRECTORY := make_helpers/
22include ${MAKE_HELPERS_DIRECTORY}build_macros.mk
23include ${MAKE_HELPERS_DIRECTORY}build_env.mk
24
25################################################################################
26# Default values for build configurations, and their dependencies
27################################################################################
28
29include ${MAKE_HELPERS_DIRECTORY}defaults.mk
30
31# Assertions enabled for DEBUG builds by default
32ENABLE_ASSERTIONS		:= ${DEBUG}
33ENABLE_PMF			:= ${ENABLE_RUNTIME_INSTRUMENTATION}
34PLAT				:= ${DEFAULT_PLAT}
35
36################################################################################
37# Checkpatch script options
38################################################################################
39
40CHECKCODE_ARGS		:=	--no-patch
41# Do not check the coding style on imported library files or documentation files
42INC_ARM_DIRS_TO_CHECK	:=	$(sort $(filter-out                     \
43					include/drivers/arm/cryptocell,	\
44					$(wildcard include/drivers/arm/*)))
45INC_ARM_DIRS_TO_CHECK	+=	include/drivers/arm/cryptocell/*.h
46INC_DRV_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
47					include/drivers/arm,		\
48					$(wildcard include/drivers/*)))
49INC_LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
50					include/lib/libfdt		\
51					include/lib/libc,		\
52					$(wildcard include/lib/*)))
53INC_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
54					include/lib			\
55					include/drivers,		\
56					$(wildcard include/*)))
57LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
58					lib/compiler-rt			\
59					lib/libfdt%			\
60					lib/libc,			\
61					$(wildcard lib/*)))
62ROOT_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
63					lib				\
64					include				\
65					docs				\
66					%.rst,				\
67					$(wildcard *)))
68CHECK_PATHS		:=	${ROOT_DIRS_TO_CHECK}			\
69				${INC_DIRS_TO_CHECK}			\
70				${INC_LIB_DIRS_TO_CHECK}		\
71				${LIB_DIRS_TO_CHECK}			\
72				${INC_DRV_DIRS_TO_CHECK}		\
73				${INC_ARM_DIRS_TO_CHECK}
74
75
76################################################################################
77# Process build options
78################################################################################
79
80# Verbose flag
81ifeq (${V},0)
82        Q:=@
83        ECHO:=@echo
84        CHECKCODE_ARGS	+=	--no-summary --terse
85else
86        Q:=
87        ECHO:=$(ECHO_QUIET)
88endif
89
90ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),)
91        Q:=@
92        ECHO:=$(ECHO_QUIET)
93endif
94
95export Q ECHO
96
97# The cert_create tool cannot generate certificates individually, so we use the
98# target 'certificates' to create them all
99ifneq (${GENERATE_COT},0)
100        FIP_DEPS += certificates
101        FWU_FIP_DEPS += fwu_certificates
102endif
103
104# Process BRANCH_PROTECTION value and set
105# Pointer Authentication and Branch Target Identification flags
106ifeq (${BRANCH_PROTECTION},0)
107	# Default value turns off all types of branch protection
108	BP_OPTION := none
109else ifneq (${ARCH},aarch64)
110        $(error BRANCH_PROTECTION requires AArch64)
111else ifeq (${BRANCH_PROTECTION},1)
112	# Enables all types of branch protection features
113	BP_OPTION := standard
114	ENABLE_BTI := 1
115	ENABLE_PAUTH := 1
116else ifeq (${BRANCH_PROTECTION},2)
117	# Return address signing to its standard level
118	BP_OPTION := pac-ret
119	ENABLE_PAUTH := 1
120else ifeq (${BRANCH_PROTECTION},3)
121	# Extend the signing to include leaf functions
122	BP_OPTION := pac-ret+leaf
123	ENABLE_PAUTH := 1
124else ifeq (${BRANCH_PROTECTION},4)
125	# Turn on branch target identification mechanism
126	BP_OPTION := bti
127	ENABLE_BTI := 1
128else
129        $(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION})
130endif
131
132# FEAT_RME
133ifeq (${ENABLE_RME},1)
134# RME doesn't support PIE
135ifneq (${ENABLE_PIE},0)
136        $(error ENABLE_RME does not support PIE)
137endif
138# RME doesn't support BRBE
139ifneq (${ENABLE_BRBE_FOR_NS},0)
140        $(error ENABLE_RME does not support BRBE.)
141endif
142# RME requires AARCH64
143ifneq (${ARCH},aarch64)
144        $(error ENABLE_RME requires AArch64)
145endif
146# RME requires el2 context to be saved for now.
147CTX_INCLUDE_EL2_REGS := 1
148CTX_INCLUDE_AARCH32_REGS := 0
149ARM_ARCH_MAJOR := 8
150ARM_ARCH_MINOR := 6
151endif
152
153# USE_SPINLOCK_CAS requires AArch64 build
154ifeq (${USE_SPINLOCK_CAS},1)
155ifneq (${ARCH},aarch64)
156        $(error USE_SPINLOCK_CAS requires AArch64)
157endif
158endif
159
160# USE_DEBUGFS experimental feature recommended only in debug builds
161ifeq (${USE_DEBUGFS},1)
162ifeq (${DEBUG},1)
163        $(warning DEBUGFS experimental feature is enabled.)
164else
165        $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY)
166endif
167endif
168
169ifneq (${DECRYPTION_SUPPORT},none)
170ENC_ARGS += -f ${FW_ENC_STATUS}
171ENC_ARGS += -k ${ENC_KEY}
172ENC_ARGS += -n ${ENC_NONCE}
173FIP_DEPS += enctool
174FWU_FIP_DEPS += enctool
175endif
176
177################################################################################
178# Toolchain
179################################################################################
180
181HOSTCC			:=	gcc
182export HOSTCC
183
184CC			:=	${CROSS_COMPILE}gcc
185CPP			:=	${CROSS_COMPILE}cpp
186AS			:=	${CROSS_COMPILE}gcc
187AR			:=	${CROSS_COMPILE}ar
188LINKER			:=	${CROSS_COMPILE}ld
189OC			:=	${CROSS_COMPILE}objcopy
190OD			:=	${CROSS_COMPILE}objdump
191NM			:=	${CROSS_COMPILE}nm
192PP			:=	${CROSS_COMPILE}gcc -E
193DTC			:=	dtc
194
195# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH).
196ifneq ($(strip $(wildcard ${LD}.bfd) \
197	$(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),)
198LINKER			:=	${LINKER}.bfd
199endif
200
201ifeq (${ARM_ARCH_MAJOR},7)
202target32-directive	= 	-target arm-none-eabi
203# Will set march32-directive from platform configuration
204else
205target32-directive	= 	-target armv8a-none-eabi
206
207# Set the compiler's target architecture profile based on
208# ARM_ARCH_MAJOR ARM_ARCH_MINOR options
209ifeq (${ARM_ARCH_MINOR},0)
210march32-directive	= 	-march=armv${ARM_ARCH_MAJOR}-a
211march64-directive	= 	-march=armv${ARM_ARCH_MAJOR}-a
212else
213march32-directive	= 	-march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a
214march64-directive	= 	-march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a
215endif
216endif
217
218# Memory tagging is supported in architecture Armv8.5-A AArch64 and onwards
219ifeq ($(ARCH), aarch64)
220# Check if revision is greater than or equal to 8.5
221ifeq "8.5" "$(word 1, $(sort 8.5 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
222mem_tag_arch_support	= 	yes
223endif
224endif
225
226# Get architecture feature modifiers
227arch-features		=	${ARM_ARCH_FEATURE}
228
229# Enable required options for memory stack tagging.
230# Currently, these options are enabled only for clang and armclang compiler.
231ifeq (${SUPPORT_STACK_MEMTAG},yes)
232ifdef mem_tag_arch_support
233# Check for armclang and clang compilers
234ifneq ( ,$(filter $(notdir $(CC)),armclang clang))
235# Add "memtag" architecture feature modifier if not specified
236ifeq ( ,$(findstring memtag,$(arch-features)))
237arch-features       	:=       $(arch-features)+memtag
238endif	# memtag
239ifeq ($(notdir $(CC)),armclang)
240TF_CFLAGS		+=	-mmemtag-stack
241else ifeq ($(notdir $(CC)),clang)
242TF_CFLAGS		+=	-fsanitize=memtag
243endif	# armclang
244endif	# armclang clang
245else
246$(error "Error: stack memory tagging is not supported for architecture \
247	${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a")
248endif	# mem_tag_arch_support
249endif	# SUPPORT_STACK_MEMTAG
250
251# Set the compiler's architecture feature modifiers
252ifneq ($(arch-features), none)
253# Strip "none+" from arch-features
254arch-features		:=	$(subst none+,,$(arch-features))
255ifeq ($(ARCH), aarch32)
256march32-directive	:=	$(march32-directive)+$(arch-features)
257else
258march64-directive	:=	$(march64-directive)+$(arch-features)
259endif
260# Print features
261$(info Arm Architecture Features specified: $(subst +, ,$(arch-features)))
262endif	# arch-features
263
264# Determine if FEAT_RNG is supported
265ENABLE_FEAT_RNG		=	$(if $(findstring rng,${arch-features}),1,0)
266
267# Determine if FEAT_SB is supported
268ENABLE_FEAT_SB		=	$(if $(findstring sb,${arch-features}),1,0)
269
270ifneq ($(findstring clang,$(notdir $(CC))),)
271	ifneq ($(findstring armclang,$(notdir $(CC))),)
272		TF_CFLAGS_aarch32	:=	-target arm-arm-none-eabi $(march32-directive)
273		TF_CFLAGS_aarch64	:=	-target aarch64-arm-none-eabi $(march64-directive)
274		LD			:=	$(LINKER)
275	else
276		TF_CFLAGS_aarch32	:=	$(target32-directive) $(march32-directive)
277		TF_CFLAGS_aarch64	:=	-target aarch64-elf $(march64-directive)
278		LD			:=	$(shell $(CC) --print-prog-name ld.lld)
279
280		AR			:=	$(shell $(CC) --print-prog-name llvm-ar)
281		OD			:=	$(shell $(CC) --print-prog-name llvm-objdump)
282		OC			:=	$(shell $(CC) --print-prog-name llvm-objcopy)
283	endif
284
285	CPP		:=	$(CC) -E $(TF_CFLAGS_$(ARCH))
286	PP		:=	$(CC) -E $(TF_CFLAGS_$(ARCH))
287	AS		:=	$(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH))
288else ifneq ($(findstring gcc,$(notdir $(CC))),)
289TF_CFLAGS_aarch32	=	$(march32-directive)
290TF_CFLAGS_aarch64	=	$(march64-directive)
291ifeq ($(ENABLE_LTO),1)
292	# Enable LTO only for aarch64
293	ifeq (${ARCH},aarch64)
294		LTO_CFLAGS	=	-flto
295		# Use gcc as a wrapper for the ld, recommended for LTO
296		LINKER		:=	${CROSS_COMPILE}gcc
297	endif
298endif
299LD			=	$(LINKER)
300else
301TF_CFLAGS_aarch32	=	$(march32-directive)
302TF_CFLAGS_aarch64	=	$(march64-directive)
303LD			=	$(LINKER)
304endif
305
306# Process Debug flag
307$(eval $(call add_define,DEBUG))
308ifneq (${DEBUG}, 0)
309        BUILD_TYPE	:=	debug
310        TF_CFLAGS	+=	-g -gdwarf-4
311        ASFLAGS		+=	-g -Wa,-gdwarf-4
312
313        # Use LOG_LEVEL_INFO by default for debug builds
314        LOG_LEVEL	:=	40
315else
316        BUILD_TYPE	:=	release
317        # Use LOG_LEVEL_NOTICE by default for release builds
318        LOG_LEVEL	:=	20
319endif
320
321# Default build string (git branch and commit)
322ifeq (${BUILD_STRING},)
323        BUILD_STRING  :=  $(shell git describe --always --dirty --tags 2> /dev/null)
324endif
325VERSION_STRING    :=  v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING}
326
327ifeq (${AARCH32_INSTRUCTION_SET},A32)
328TF_CFLAGS_aarch32	+=	-marm
329else ifeq (${AARCH32_INSTRUCTION_SET},T32)
330TF_CFLAGS_aarch32	+=	-mthumb
331else
332$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET})
333endif
334
335TF_CFLAGS_aarch32	+=	-mno-unaligned-access
336TF_CFLAGS_aarch64	+=	-mgeneral-regs-only -mstrict-align
337
338ifneq (${BP_OPTION},none)
339TF_CFLAGS_aarch64	+=	-mbranch-protection=${BP_OPTION}
340endif
341
342ASFLAGS_aarch32		=	$(march32-directive)
343ASFLAGS_aarch64		=	$(march64-directive)
344
345# General warnings
346WARNINGS		:=	-Wall -Wmissing-include-dirs -Wunused	\
347				-Wdisabled-optimization -Wvla -Wshadow	\
348				-Wno-unused-parameter -Wredundant-decls
349
350# Additional warnings
351# Level 1
352WARNING1 := -Wextra
353WARNING1 += -Wmissing-format-attribute
354WARNING1 += -Wmissing-prototypes
355WARNING1 += -Wold-style-definition
356
357# Level 2
358WARNING2 := -Waggregate-return
359WARNING2 += -Wcast-align
360WARNING2 += -Wnested-externs
361
362WARNING3 := -Wbad-function-cast
363WARNING3 += -Wcast-qual
364WARNING3 += -Wconversion
365WARNING3 += -Wpacked
366WARNING3 += -Wpointer-arith
367WARNING3 += -Wswitch-default
368
369ifeq (${W},1)
370WARNINGS += $(WARNING1)
371else ifeq (${W},2)
372WARNINGS += $(WARNING1) $(WARNING2)
373else ifeq (${W},3)
374WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3)
375endif
376
377# Compiler specific warnings
378ifeq ($(findstring clang,$(notdir $(CC))),)
379# not using clang
380WARNINGS	+=		-Wunused-but-set-variable -Wmaybe-uninitialized	\
381				-Wpacked-bitfield-compat -Wshift-overflow=2 \
382				-Wlogical-op
383else
384# using clang
385WARNINGS	+=		-Wshift-overflow -Wshift-sign-overflow \
386				-Wlogical-op-parentheses
387endif
388
389ifneq (${E},0)
390ERRORS := -Werror
391endif
392
393CPPFLAGS		=	${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc	\
394				$(ERRORS) $(WARNINGS)
395ASFLAGS			+=	$(CPPFLAGS) $(ASFLAGS_$(ARCH))			\
396				-ffreestanding -Wa,--fatal-warnings
397TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
398				-ffunction-sections -fdata-sections		\
399				-ffreestanding -fno-builtin -fno-common		\
400				-Os -std=gnu99
401
402ifeq (${SANITIZE_UB},on)
403TF_CFLAGS		+=	-fsanitize=undefined -fno-sanitize-recover
404endif
405ifeq (${SANITIZE_UB},trap)
406TF_CFLAGS		+=	-fsanitize=undefined -fno-sanitize-recover	\
407				-fsanitize-undefined-trap-on-error
408endif
409
410GCC_V_OUTPUT		:=	$(shell $(CC) -v 2>&1)
411
412# LD = armlink
413ifneq ($(findstring armlink,$(notdir $(LD))),)
414TF_LDFLAGS		+=	--diag_error=warning --lto_level=O1
415TF_LDFLAGS		+=	--remove --info=unused,unusedsymbols
416TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
417
418# LD = gcc (used when GCC LTO is enabled)
419else ifneq ($(findstring gcc,$(notdir $(LD))),)
420# Pass ld options with Wl or Xlinker switches
421TF_LDFLAGS		+=	-Wl,--fatal-warnings -O1
422TF_LDFLAGS		+=	-Wl,--gc-sections
423ifeq ($(ENABLE_LTO),1)
424	ifeq (${ARCH},aarch64)
425		TF_LDFLAGS	+=	-flto -fuse-linker-plugin
426	endif
427endif
428# GCC automatically adds fix-cortex-a53-843419 flag when used to link
429# which breaks some builds, so disable if errata fix is not explicitly enabled
430ifneq (${ERRATA_A53_843419},1)
431	TF_LDFLAGS	+= 	-mno-fix-cortex-a53-843419
432endif
433TF_LDFLAGS		+= 	-nostdlib
434TF_LDFLAGS		+=	$(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH)))
435
436# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other
437else
438TF_LDFLAGS		+=	--fatal-warnings -O1
439TF_LDFLAGS		+=	--gc-sections
440# ld.lld doesn't recognize the errata flags,
441# therefore don't add those in that case
442ifeq ($(findstring ld.lld,$(notdir $(LD))),)
443TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
444endif
445endif
446
447DTC_FLAGS		+=	-I dts -O dtb
448DTC_CPPFLAGS		+=	-P -nostdinc -Iinclude -Ifdts -undef \
449				-x assembler-with-cpp $(DEFINES)
450
451################################################################################
452# Common sources and include directories
453################################################################################
454include ${MAKE_HELPERS_DIRECTORY}arch_features.mk
455include lib/compiler-rt/compiler-rt.mk
456
457BL_COMMON_SOURCES	+=	common/bl_common.c			\
458				common/tf_log.c				\
459				common/${ARCH}/debug.S			\
460				drivers/console/multi_console.c		\
461				lib/${ARCH}/cache_helpers.S		\
462				lib/${ARCH}/misc_helpers.S		\
463				plat/common/plat_bl_common.c		\
464				plat/common/plat_log_common.c		\
465				plat/common/${ARCH}/plat_common.c	\
466				plat/common/${ARCH}/platform_helpers.S	\
467				${COMPILER_RT_SRCS}
468
469ifeq ($(notdir $(CC)),armclang)
470BL_COMMON_SOURCES	+=	lib/${ARCH}/armclang_printf.S
471endif
472
473ifeq (${SANITIZE_UB},on)
474BL_COMMON_SOURCES	+=	plat/common/ubsan.c
475endif
476
477INCLUDES		+=	-Iinclude				\
478				-Iinclude/arch/${ARCH}			\
479				-Iinclude/lib/cpus/${ARCH}		\
480				-Iinclude/lib/el3_runtime/${ARCH}	\
481				${PLAT_INCLUDES}			\
482				${SPD_INCLUDES}
483
484include common/backtrace/backtrace.mk
485
486################################################################################
487# Generic definitions
488################################################################################
489
490include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
491
492ifeq (${BUILD_BASE},)
493     BUILD_BASE		:=	./build
494endif
495BUILD_PLAT		:=	$(abspath ${BUILD_BASE})/${PLAT}/${BUILD_TYPE}
496
497SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
498
499# Platforms providing their own TBB makefile may override this value
500INCLUDE_TBBR_MK		:=	1
501
502
503################################################################################
504# Include SPD Makefile if one has been specified
505################################################################################
506
507ifneq (${SPD},none)
508    ifeq (${ARCH},aarch32)
509        $(error "Error: SPD is incompatible with AArch32.")
510    endif
511
512    ifdef EL3_PAYLOAD_BASE
513        $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
514        $(warning "The SPD and its BL32 companion will be present but ignored.")
515    endif
516
517    ifeq (${SPD},spmd)
518        # SPMD is located in std_svc directory
519        SPD_DIR := std_svc
520
521        ifeq ($(SPMD_SPM_AT_SEL2),1)
522            ifeq ($(CTX_INCLUDE_EL2_REGS),0)
523                $(error SPMD with SPM at S-EL2 requires CTX_INCLUDE_EL2_REGS option)
524            endif
525	    ifeq ($(SPMC_AT_EL3),1)
526                $(error SPM cannot be enabled in both S-EL2 and EL3.)
527            endif
528        endif
529
530        ifeq ($(findstring optee_sp,$(ARM_SPMC_MANIFEST_DTS)),optee_sp)
531            DTC_CPPFLAGS	+=	-DOPTEE_SP_FW_CONFIG
532        endif
533
534        ifeq ($(TS_SP_FW_CONFIG),1)
535            DTC_CPPFLAGS	+=	-DTS_SP_FW_CONFIG
536        endif
537
538        ifneq ($(ARM_BL2_SP_LIST_DTS),)
539            DTC_CPPFLAGS += -DARM_BL2_SP_LIST_DTS=$(ARM_BL2_SP_LIST_DTS)
540        endif
541
542        ifneq ($(SP_LAYOUT_FILE),)
543            BL2_ENABLE_SP_LOAD := 1
544        endif
545    else
546        # All other SPDs in spd directory
547        SPD_DIR := spd
548    endif
549
550    # We expect to locate an spd.mk under the specified SPD directory
551    SPD_MAKE	:=	$(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk)
552
553    ifeq (${SPD_MAKE},)
554        $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located)
555    endif
556    $(info Including ${SPD_MAKE})
557    include ${SPD_MAKE}
558
559    # If there's BL32 companion for the chosen SPD, we expect that the SPD's
560    # Makefile would set NEED_BL32 to "yes". In this case, the build system
561    # supports two mutually exclusive options:
562    # * BL32 is built from source: then BL32_SOURCES must contain the list
563    #   of source files to build BL32
564    # * BL32 is a prebuilt binary: then BL32 must point to the image file
565    #   that will be included in the FIP
566    # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
567    # over the sources.
568endif
569
570################################################################################
571# Include rmmd Makefile if RME is enabled
572################################################################################
573
574ifneq (${ENABLE_RME},0)
575ifneq (${ARCH},aarch64)
576	$(error ENABLE_RME requires AArch64)
577endif
578ifeq ($(SPMC_AT_EL3),1)
579	$(error SPMC_AT_EL3 and ENABLE_RME cannot both be enabled.)
580endif
581include services/std_svc/rmmd/rmmd.mk
582$(warning "RME is an experimental feature")
583endif
584
585################################################################################
586# Include the platform specific Makefile after the SPD Makefile (the platform
587# makefile may use all previous definitions in this file)
588################################################################################
589
590include ${PLAT_MAKEFILE_FULL}
591
592$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT}))
593
594ifeq (${ARM_ARCH_MAJOR},7)
595include make_helpers/armv7-a-cpus.mk
596endif
597
598PIE_FOUND		:=	$(findstring --enable-default-pie,${GCC_V_OUTPUT})
599ifneq ($(PIE_FOUND),)
600	TF_CFLAGS	+=	-fno-PIE
601endif
602
603ifneq ($(findstring gcc,$(notdir $(LD))),)
604	PIE_LDFLAGS	+=	-Wl,-pie -Wl,--no-dynamic-linker
605else
606	PIE_LDFLAGS	+=	-pie --no-dynamic-linker
607endif
608
609ifeq ($(ENABLE_PIE),1)
610ifeq ($(BL2_AT_EL3),1)
611ifneq ($(BL2_IN_XIP_MEM),1)
612	BL2_CFLAGS	+=	-fpie
613	BL2_LDFLAGS	+=	$(PIE_LDFLAGS)
614endif
615endif
616	BL31_CFLAGS	+=	-fpie
617	BL31_LDFLAGS	+=	$(PIE_LDFLAGS)
618	BL32_CFLAGS	+=	-fpie
619	BL32_LDFLAGS	+=	$(PIE_LDFLAGS)
620endif
621
622ifeq (${ARCH},aarch64)
623BL1_CPPFLAGS += -DIMAGE_AT_EL3
624ifeq ($(BL2_AT_EL3),1)
625BL2_CPPFLAGS += -DIMAGE_AT_EL3
626else
627BL2_CPPFLAGS += -DIMAGE_AT_EL1
628endif
629BL2U_CPPFLAGS += -DIMAGE_AT_EL1
630BL31_CPPFLAGS += -DIMAGE_AT_EL3
631BL32_CPPFLAGS += -DIMAGE_AT_EL1
632endif
633
634# Include the CPU specific operations makefile, which provides default
635# values for all CPU errata workarounds and CPU specific optimisations.
636# This can be overridden by the platform.
637include lib/cpus/cpu-ops.mk
638
639ifeq (${ARCH},aarch32)
640NEED_BL32 := yes
641
642################################################################################
643# Build `AARCH32_SP` as BL32 image for AArch32
644################################################################################
645ifneq (${AARCH32_SP},none)
646# We expect to locate an sp.mk under the specified AARCH32_SP directory
647AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
648
649ifeq (${AARCH32_SP_MAKE},)
650  $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
651endif
652
653$(info Including ${AARCH32_SP_MAKE})
654include ${AARCH32_SP_MAKE}
655endif
656
657endif
658
659################################################################################
660# Include libc if not overridden
661################################################################################
662ifeq (${OVERRIDE_LIBC},0)
663include lib/libc/libc.mk
664endif
665
666################################################################################
667# Check incompatible options
668################################################################################
669
670ifdef EL3_PAYLOAD_BASE
671        ifdef PRELOADED_BL33_BASE
672                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
673                incompatible build options. EL3_PAYLOAD_BASE has priority.")
674        endif
675        ifneq (${GENERATE_COT},0)
676                $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.")
677        endif
678        ifneq (${TRUSTED_BOARD_BOOT},0)
679                $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.")
680        endif
681endif
682
683ifeq (${NEED_BL33},yes)
684        ifdef EL3_PAYLOAD_BASE
685                $(warning "BL33 image is not needed when option \
686                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
687        endif
688        ifdef PRELOADED_BL33_BASE
689                $(warning "BL33 image is not needed when option \
690                PRELOADED_BL33_BASE is used and won't be added to the FIP \
691                file.")
692        endif
693endif
694
695# When building for systems with hardware-assisted coherency, there's no need to
696# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
697ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
698$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
699endif
700
701#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1.
702ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1)
703$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled")
704endif
705
706# For RAS_EXTENSION, require that EAs are handled in EL3 first
707ifeq ($(RAS_EXTENSION),1)
708    ifneq ($(HANDLE_EA_EL3_FIRST),1)
709        $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1)
710    endif
711endif
712
713# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled
714ifeq ($(FAULT_INJECTION_SUPPORT),1)
715    ifneq ($(RAS_EXTENSION),1)
716        $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1)
717    endif
718endif
719
720# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1
721ifeq ($(DYN_DISABLE_AUTH), 1)
722    ifeq (${TRUSTED_BOARD_BOOT}, 0)
723        $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.")
724    endif
725endif
726
727ifneq ($(filter 1,${MEASURED_BOOT} ${TRUSTED_BOARD_BOOT}),)
728    CRYPTO_SUPPORT := 1
729else
730    CRYPTO_SUPPORT := 0
731endif
732
733# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled.
734ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1)
735$(error "SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled")
736endif
737
738# If pointer authentication is used in the firmware, make sure that all the
739# registers associated to it are also saved and restored.
740# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1.
741ifeq ($(ENABLE_PAUTH),1)
742    ifeq ($(CTX_INCLUDE_PAUTH_REGS),0)
743        $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1)
744    endif
745endif
746
747ifeq ($(CTX_INCLUDE_PAUTH_REGS),1)
748    ifneq (${ARCH},aarch64)
749        $(error CTX_INCLUDE_PAUTH_REGS requires AArch64)
750    endif
751endif
752
753ifeq ($(CTX_INCLUDE_MTE_REGS),1)
754    ifneq (${ARCH},aarch64)
755        $(error CTX_INCLUDE_MTE_REGS requires AArch64)
756    endif
757endif
758
759ifeq ($(PSA_FWU_SUPPORT),1)
760    $(info PSA_FWU_SUPPORT is an experimental feature)
761endif
762
763ifeq ($(FEATURE_DETECTION),1)
764    $(info FEATURE_DETECTION is an experimental feature)
765endif
766
767ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1)
768    ifeq (${ALLOW_RO_XLAT_TABLES}, 1)
769        $(error "ALLOW_RO_XLAT_TABLES requires translation tables library v2")
770    endif
771endif
772
773ifneq (${DECRYPTION_SUPPORT},none)
774    ifeq (${TRUSTED_BOARD_BOOT}, 0)
775        $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT to be set)
776    endif
777endif
778
779# Ensure that no Aarch64-only features are enabled in Aarch32 build
780ifeq (${ARCH},aarch32)
781
782    # SME/SVE only supported on AArch64
783    ifeq (${ENABLE_SME_FOR_NS},1)
784        $(error "ENABLE_SME_FOR_NS cannot be used with ARCH=aarch32")
785    endif
786    ifeq (${ENABLE_SVE_FOR_NS},1)
787        # Warning instead of error due to CI dependency on this
788        $(error "ENABLE_SVE_FOR_NS cannot be used with ARCH=aarch32")
789    endif
790
791    # BRBE is not supported in Aarch32
792    ifeq (${ENABLE_BRBE_FOR_NS},1)
793        $(error "ENABLE_BRBE_FOR_NS cannot be used with ARCH=aarch32")
794    endif
795
796endif
797
798# Ensure ENABLE_RME is not used with SME
799ifeq (${ENABLE_RME},1)
800    ifeq (${ENABLE_SME_FOR_NS},1)
801        $(error "ENABLE_SME_FOR_NS cannot be used with ENABLE_RME")
802    endif
803endif
804
805# Secure SME/SVE requires the non-secure component as well
806ifeq (${ENABLE_SME_FOR_SWD},1)
807    ifeq (${ENABLE_SME_FOR_NS},0)
808        $(error "ENABLE_SME_FOR_SWD requires ENABLE_SME_FOR_NS")
809    endif
810endif
811ifeq (${ENABLE_SVE_FOR_SWD},1)
812    ifeq (${ENABLE_SVE_FOR_NS},0)
813        $(error "ENABLE_SVE_FOR_SWD requires ENABLE_SVE_FOR_NS")
814    endif
815endif
816
817# SVE and SME cannot be used with CTX_INCLUDE_FPREGS since secure manager does
818# its own context management including FPU registers.
819ifeq (${CTX_INCLUDE_FPREGS},1)
820    ifeq (${ENABLE_SME_FOR_NS},1)
821        $(error "ENABLE_SME_FOR_NS cannot be used with CTX_INCLUDE_FPREGS")
822    endif
823    ifeq (${ENABLE_SVE_FOR_NS},1)
824        # Warning instead of error due to CI dependency on this
825        $(warning "ENABLE_SVE_FOR_NS cannot be used with CTX_INCLUDE_FPREGS")
826        $(warning "Forced ENABLE_SVE_FOR_NS=0")
827        override ENABLE_SVE_FOR_NS	:= 0
828    endif
829endif
830
831ifeq ($(DRTM_SUPPORT),1)
832    $(info DRTM_SUPPORT is an experimental feature)
833endif
834
835################################################################################
836# Process platform overrideable behaviour
837################################################################################
838
839ifdef BL1_SOURCES
840NEED_BL1 := yes
841endif
842
843ifdef BL2_SOURCES
844	NEED_BL2 := yes
845
846	# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and
847	# Certificate generation tools. This flag can be overridden by the platform.
848	ifdef EL3_PAYLOAD_BASE
849                # If booting an EL3 payload there is no need for a BL33 image
850                # in the FIP file.
851                NEED_BL33		:=	no
852        else
853                ifdef PRELOADED_BL33_BASE
854                        # If booting a BL33 preloaded image there is no need of
855                        # another one in the FIP file.
856                        NEED_BL33		:=	no
857                else
858                        NEED_BL33		?=	yes
859                endif
860        endif
861endif
862
863ifdef BL2U_SOURCES
864NEED_BL2U := yes
865endif
866
867# If SCP_BL2 is given, we always want FIP to include it.
868ifdef SCP_BL2
869        NEED_SCP_BL2		:=	yes
870endif
871
872# For AArch32, BL31 is not currently supported.
873ifneq (${ARCH},aarch32)
874    ifdef BL31_SOURCES
875        # When booting an EL3 payload, there is no need to compile the BL31 image nor
876        # put it in the FIP.
877        ifndef EL3_PAYLOAD_BASE
878            NEED_BL31 := yes
879        endif
880    endif
881endif
882
883# Process TBB related flags
884ifneq (${GENERATE_COT},0)
885        # Common cert_create options
886        ifneq (${CREATE_KEYS},0)
887                $(eval CRT_ARGS += -n)
888                $(eval FWU_CRT_ARGS += -n)
889                ifneq (${SAVE_KEYS},0)
890                        $(eval CRT_ARGS += -k)
891                        $(eval FWU_CRT_ARGS += -k)
892                endif
893        endif
894        # Include TBBR makefile (unless the platform indicates otherwise)
895        ifeq (${INCLUDE_TBBR_MK},1)
896                include make_helpers/tbbr/tbbr_tools.mk
897        endif
898endif
899
900ifneq (${FIP_ALIGN},0)
901FIP_ARGS += --align ${FIP_ALIGN}
902endif
903
904ifdef FDT_SOURCES
905NEED_FDT := yes
906endif
907
908################################################################################
909# Include libraries' Makefile that are used in all BL
910################################################################################
911
912include lib/stack_protector/stack_protector.mk
913
914################################################################################
915# Auxiliary tools (fiptool, cert_create, etc)
916################################################################################
917
918# Variables for use with Certificate Generation Tool
919CRTTOOLPATH		?=	tools/cert_create
920CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
921
922# Variables for use with Firmware Encryption Tool
923ENCTOOLPATH		?=	tools/encrypt_fw
924ENCTOOL			?=	${ENCTOOLPATH}/encrypt_fw${BIN_EXT}
925
926# Variables for use with Firmware Image Package
927FIPTOOLPATH		?=	tools/fiptool
928FIPTOOL			?=	${BUILD_PLAT}/fiptool${BIN_EXT}
929
930# Variables for use with sptool
931SPTOOLPATH		?=	tools/sptool
932SPTOOL			?=	${SPTOOLPATH}/sptool.py
933SP_MK_GEN		?=	${SPTOOLPATH}/sp_mk_generator.py
934
935# Variables for use with ROMLIB
936ROMLIBPATH		?=	lib/romlib
937
938# Variable for use with Python
939PYTHON			?=	python3
940
941# Variables for use with PRINT_MEMORY_MAP
942PRINT_MEMORY_MAP_PATH		?=	tools/memory
943PRINT_MEMORY_MAP		?=	${PRINT_MEMORY_MAP_PATH}/print_memory_map.py
944
945# Variables for use with documentation build using Sphinx tool
946DOCS_PATH		?=	docs
947
948# Defination of SIMICS flag
949SIMICS_BUILD	?=	0
950
951################################################################################
952# Include BL specific makefiles
953################################################################################
954
955ifeq (${NEED_BL1},yes)
956include bl1/bl1.mk
957endif
958
959ifeq (${NEED_BL2},yes)
960include bl2/bl2.mk
961endif
962
963ifeq (${NEED_BL2U},yes)
964include bl2u/bl2u.mk
965endif
966
967ifeq (${NEED_BL31},yes)
968include bl31/bl31.mk
969endif
970
971################################################################################
972# Build options checks
973################################################################################
974
975$(eval $(call assert_booleans,\
976    $(sort \
977        ALLOW_RO_XLAT_TABLES \
978        BL2_ENABLE_SP_LOAD \
979        COLD_BOOT_SINGLE_CPU \
980        CREATE_KEYS \
981        CTX_INCLUDE_AARCH32_REGS \
982        CTX_INCLUDE_FPREGS \
983        CTX_INCLUDE_EL2_REGS \
984        DEBUG \
985        DISABLE_MTPMU \
986        DYN_DISABLE_AUTH \
987        EL3_EXCEPTION_HANDLING \
988        ENABLE_AMU \
989        ENABLE_AMU_AUXILIARY_COUNTERS \
990        ENABLE_AMU_FCONF \
991        AMU_RESTRICT_COUNTERS \
992        ENABLE_ASSERTIONS \
993        ENABLE_PIE \
994        ENABLE_PMF \
995        ENABLE_PSCI_STAT \
996        ENABLE_RUNTIME_INSTRUMENTATION \
997        ENABLE_SME_FOR_NS \
998        ENABLE_SME_FOR_SWD \
999        ENABLE_SPE_FOR_LOWER_ELS \
1000        ENABLE_SVE_FOR_NS \
1001        ENABLE_SVE_FOR_SWD \
1002        ERROR_DEPRECATED \
1003        FAULT_INJECTION_SUPPORT \
1004        GENERATE_COT \
1005        GICV2_G0_FOR_EL3 \
1006        HANDLE_EA_EL3_FIRST \
1007        HW_ASSISTED_COHERENCY \
1008        INVERTED_MEMMAP \
1009        MEASURED_BOOT \
1010        DRTM_SUPPORT \
1011        NS_TIMER_SWITCH \
1012        OVERRIDE_LIBC \
1013        PL011_GENERIC_UART \
1014        PLAT_RSS_NOT_SUPPORTED \
1015        PROGRAMMABLE_RESET_ADDRESS \
1016        PSCI_EXTENDED_STATE_ID \
1017        RESET_TO_BL31 \
1018        RESET_TO_BL31_WITH_PARAMS \
1019        SAVE_KEYS \
1020        SEPARATE_CODE_AND_RODATA \
1021        SEPARATE_BL2_NOLOAD_REGION \
1022        SEPARATE_NOBITS_REGION \
1023        SPIN_ON_BL1_EXIT \
1024        SPM_MM \
1025        SPMC_AT_EL3 \
1026        SPMD_SPM_AT_SEL2 \
1027        TRUSTED_BOARD_BOOT \
1028        CRYPTO_SUPPORT \
1029        USE_COHERENT_MEM \
1030        USE_DEBUGFS \
1031        ARM_IO_IN_DTB \
1032        SDEI_IN_FCONF \
1033        SEC_INT_DESC_IN_FCONF \
1034        USE_ROMLIB \
1035        USE_TBBR_DEFS \
1036        WARMBOOT_ENABLE_DCACHE_EARLY \
1037        BL2_AT_EL3 \
1038        BL2_IN_XIP_MEM \
1039        BL2_INV_DCACHE \
1040        USE_SPINLOCK_CAS \
1041        ENCRYPT_BL31 \
1042        ENCRYPT_BL32 \
1043        ERRATA_SPECULATIVE_AT \
1044        RAS_TRAP_LOWER_EL_ERR_ACCESS \
1045        COT_DESC_IN_DTB \
1046        USE_SP804_TIMER \
1047        PSA_FWU_SUPPORT \
1048        ENABLE_SYS_REG_TRACE_FOR_NS \
1049        ENABLE_MPMM \
1050        ENABLE_MPMM_FCONF \
1051        SIMICS_BUILD \
1052        FEATURE_DETECTION \
1053)))
1054
1055$(eval $(call assert_numerics,\
1056    $(sort \
1057        ARM_ARCH_MAJOR \
1058        ARM_ARCH_MINOR \
1059        BRANCH_PROTECTION \
1060        CTX_INCLUDE_PAUTH_REGS \
1061        CTX_INCLUDE_MTE_REGS \
1062        CTX_INCLUDE_NEVE_REGS \
1063        ENABLE_BRBE_FOR_NS \
1064        ENABLE_TRBE_FOR_NS \
1065        ENABLE_BTI \
1066        ENABLE_PAUTH \
1067        ENABLE_FEAT_AMUv1 \
1068        ENABLE_FEAT_AMUv1p1 \
1069        ENABLE_FEAT_CSV2_2 \
1070        ENABLE_FEAT_DIT \
1071        ENABLE_FEAT_ECV \
1072        ENABLE_FEAT_FGT \
1073        ENABLE_FEAT_HCX \
1074        ENABLE_FEAT_PAN \
1075        ENABLE_FEAT_RNG \
1076        ENABLE_FEAT_SB \
1077        ENABLE_FEAT_SEL2 \
1078        ENABLE_FEAT_VHE \
1079        ENABLE_MPAM_FOR_LOWER_ELS \
1080        ENABLE_RME \
1081        ENABLE_TRF_FOR_NS \
1082        FW_ENC_STATUS \
1083        NR_OF_FW_BANKS \
1084        NR_OF_IMAGES_IN_FW_BANK \
1085        RAS_EXTENSION \
1086        TWED_DELAY \
1087        ENABLE_FEAT_TWED \
1088)))
1089
1090ifdef KEY_SIZE
1091        $(eval $(call assert_numeric,KEY_SIZE))
1092endif
1093
1094ifeq ($(filter $(SANITIZE_UB), on off trap),)
1095        $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap")
1096endif
1097
1098################################################################################
1099# Add definitions to the cpp preprocessor based on the current build options.
1100# This is done after including the platform specific makefile to allow the
1101# platform to overwrite the default options
1102################################################################################
1103
1104$(eval $(call add_defines,\
1105    $(sort \
1106        ALLOW_RO_XLAT_TABLES \
1107        ARM_ARCH_MAJOR \
1108        ARM_ARCH_MINOR \
1109        BL2_ENABLE_SP_LOAD \
1110        COLD_BOOT_SINGLE_CPU \
1111        CTX_INCLUDE_AARCH32_REGS \
1112        CTX_INCLUDE_FPREGS \
1113        CTX_INCLUDE_PAUTH_REGS \
1114        EL3_EXCEPTION_HANDLING \
1115        CTX_INCLUDE_MTE_REGS \
1116        CTX_INCLUDE_EL2_REGS \
1117        CTX_INCLUDE_NEVE_REGS \
1118        DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \
1119        DISABLE_MTPMU \
1120        ENABLE_AMU \
1121        ENABLE_AMU_AUXILIARY_COUNTERS \
1122        ENABLE_AMU_FCONF \
1123        AMU_RESTRICT_COUNTERS \
1124        ENABLE_ASSERTIONS \
1125        ENABLE_BTI \
1126        ENABLE_MPAM_FOR_LOWER_ELS \
1127        ENABLE_PAUTH \
1128        ENABLE_PIE \
1129        ENABLE_PMF \
1130        ENABLE_PSCI_STAT \
1131        ENABLE_RME \
1132        ENABLE_RUNTIME_INSTRUMENTATION \
1133        ENABLE_SME_FOR_NS \
1134        ENABLE_SME_FOR_SWD \
1135        ENABLE_SPE_FOR_LOWER_ELS \
1136        ENABLE_SVE_FOR_NS \
1137        ENABLE_SVE_FOR_SWD \
1138        ENCRYPT_BL31 \
1139        ENCRYPT_BL32 \
1140        ERROR_DEPRECATED \
1141        FAULT_INJECTION_SUPPORT \
1142        GICV2_G0_FOR_EL3 \
1143        HANDLE_EA_EL3_FIRST \
1144        HW_ASSISTED_COHERENCY \
1145        LOG_LEVEL \
1146        MEASURED_BOOT \
1147        DRTM_SUPPORT \
1148        NS_TIMER_SWITCH \
1149        PL011_GENERIC_UART \
1150        PLAT_${PLAT} \
1151        PLAT_RSS_NOT_SUPPORTED \
1152        PROGRAMMABLE_RESET_ADDRESS \
1153        PSCI_EXTENDED_STATE_ID \
1154        RAS_EXTENSION \
1155        RESET_TO_BL31 \
1156        RESET_TO_BL31_WITH_PARAMS \
1157        SEPARATE_CODE_AND_RODATA \
1158        SEPARATE_BL2_NOLOAD_REGION \
1159        SEPARATE_NOBITS_REGION \
1160        RECLAIM_INIT_CODE \
1161        SPD_${SPD} \
1162        SPIN_ON_BL1_EXIT \
1163        SPM_MM \
1164        SPMC_AT_EL3 \
1165        SPMD_SPM_AT_SEL2 \
1166        TRUSTED_BOARD_BOOT \
1167        CRYPTO_SUPPORT \
1168        TRNG_SUPPORT \
1169        USE_COHERENT_MEM \
1170        USE_DEBUGFS \
1171        ARM_IO_IN_DTB \
1172        SDEI_IN_FCONF \
1173        SEC_INT_DESC_IN_FCONF \
1174        USE_ROMLIB \
1175        USE_TBBR_DEFS \
1176        WARMBOOT_ENABLE_DCACHE_EARLY \
1177        BL2_AT_EL3 \
1178        BL2_IN_XIP_MEM \
1179        BL2_INV_DCACHE \
1180        USE_SPINLOCK_CAS \
1181        ERRATA_SPECULATIVE_AT \
1182        RAS_TRAP_LOWER_EL_ERR_ACCESS \
1183        COT_DESC_IN_DTB \
1184        USE_SP804_TIMER \
1185        ENABLE_FEAT_RNG \
1186        ENABLE_FEAT_SB \
1187        ENABLE_FEAT_DIT \
1188        NR_OF_FW_BANKS \
1189        NR_OF_IMAGES_IN_FW_BANK \
1190        PSA_FWU_SUPPORT \
1191        ENABLE_BRBE_FOR_NS \
1192        ENABLE_TRBE_FOR_NS \
1193        ENABLE_SYS_REG_TRACE_FOR_NS \
1194        ENABLE_TRF_FOR_NS \
1195        ENABLE_FEAT_HCX \
1196        ENABLE_MPMM \
1197        ENABLE_MPMM_FCONF \
1198        ENABLE_FEAT_FGT \
1199        ENABLE_FEAT_AMUv1 \
1200        ENABLE_FEAT_ECV \
1201        SIMICS_BUILD \
1202        ENABLE_FEAT_AMUv1p1 \
1203        ENABLE_FEAT_SEL2 \
1204        ENABLE_FEAT_VHE \
1205        ENABLE_FEAT_CSV2_2 \
1206        ENABLE_FEAT_PAN \
1207        FEATURE_DETECTION \
1208        TWED_DELAY \
1209        ENABLE_FEAT_TWED \
1210)))
1211
1212ifeq (${SANITIZE_UB},trap)
1213        $(eval $(call add_define,MONITOR_TRAPS))
1214endif
1215
1216# Define the EL3_PAYLOAD_BASE flag only if it is provided.
1217ifdef EL3_PAYLOAD_BASE
1218        $(eval $(call add_define,EL3_PAYLOAD_BASE))
1219else
1220        # Define the PRELOADED_BL33_BASE flag only if it is provided and
1221        # EL3_PAYLOAD_BASE is not defined, as it has priority.
1222        ifdef PRELOADED_BL33_BASE
1223                $(eval $(call add_define,PRELOADED_BL33_BASE))
1224        endif
1225endif
1226
1227# Define the DYN_DISABLE_AUTH flag only if set.
1228ifeq (${DYN_DISABLE_AUTH},1)
1229$(eval $(call add_define,DYN_DISABLE_AUTH))
1230endif
1231
1232ifneq ($(findstring armlink,$(notdir $(LD))),)
1233$(eval $(call add_define,USE_ARM_LINK))
1234endif
1235
1236# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined
1237ifeq (${SPD},spmd)
1238ifdef SP_LAYOUT_FILE
1239        -include $(BUILD_PLAT)/sp_gen.mk
1240        FIP_DEPS += sp
1241        CRT_DEPS += sp
1242        NEED_SP_PKG := yes
1243else
1244        ifeq (${SPMD_SPM_AT_SEL2},1)
1245            $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE")
1246        endif
1247endif
1248endif
1249
1250################################################################################
1251# Build targets
1252################################################################################
1253
1254.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc enctool
1255.SUFFIXES:
1256
1257all: msg_start
1258
1259msg_start:
1260	@echo "Building ${PLAT}"
1261
1262ifeq (${ERROR_DEPRECATED},0)
1263# Check if deprecated declarations and cpp warnings should be treated as error or not.
1264ifneq ($(findstring clang,$(notdir $(CC))),)
1265    CPPFLAGS		+= 	-Wno-error=deprecated-declarations
1266else
1267    CPPFLAGS		+= 	-Wno-error=deprecated-declarations -Wno-error=cpp
1268endif
1269endif # !ERROR_DEPRECATED
1270
1271$(eval $(call MAKE_LIB_DIRS))
1272$(eval $(call MAKE_LIB,c))
1273
1274# Expand build macros for the different images
1275ifeq (${NEED_BL1},yes)
1276BL1_SOURCES := $(sort ${BL1_SOURCES})
1277
1278$(eval $(call MAKE_BL,bl1))
1279endif
1280
1281ifeq (${NEED_BL2},yes)
1282ifeq (${BL2_AT_EL3}, 0)
1283FIP_BL2_ARGS := tb-fw
1284endif
1285
1286BL2_SOURCES := $(sort ${BL2_SOURCES})
1287
1288$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
1289	$(eval $(call MAKE_BL,bl2,${FIP_BL2_ARGS})))
1290endif
1291
1292ifeq (${NEED_SCP_BL2},yes)
1293$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw))
1294endif
1295
1296ifeq (${NEED_BL31},yes)
1297BL31_SOURCES += ${SPD_SOURCES}
1298# Sort BL31 source files to remove duplicates
1299BL31_SOURCES := $(sort ${BL31_SOURCES})
1300ifneq (${DECRYPTION_SUPPORT},none)
1301$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\
1302	$(eval $(call MAKE_BL,bl31,soc-fw,,$(ENCRYPT_BL31))))
1303else
1304$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
1305	$(eval $(call MAKE_BL,bl31,soc-fw)))
1306endif
1307endif
1308
1309# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
1310# build system will call TOOL_ADD_IMG to print a warning message and abort the
1311# process. Note that the dependency on BL32 applies to the FIP only.
1312ifeq (${NEED_BL32},yes)
1313# Sort BL32 source files to remove duplicates
1314BL32_SOURCES := $(sort ${BL32_SOURCES})
1315BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
1316
1317ifneq (${DECRYPTION_SUPPORT},none)
1318$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw,,$(ENCRYPT_BL32))),\
1319	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32))))
1320else
1321$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw)),\
1322	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
1323endif
1324endif
1325
1326# If RMM image is needed but RMM is not defined, Test Realm Payload (TRP)
1327# needs to be built from RMM_SOURCES.
1328ifeq (${NEED_RMM},yes)
1329# Sort RMM source files to remove duplicates
1330RMM_SOURCES := $(sort ${RMM_SOURCES})
1331BUILD_RMM := $(if $(RMM),,$(if $(RMM_SOURCES),1))
1332
1333$(if ${BUILD_RMM}, $(eval $(call MAKE_BL,rmm,rmm-fw)),\
1334         $(eval $(call TOOL_ADD_IMG,rmm,--rmm-fw)))
1335endif
1336
1337# Add the BL33 image if required by the platform
1338ifeq (${NEED_BL33},yes)
1339$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
1340endif
1341
1342ifeq (${NEED_BL2U},yes)
1343$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\
1344	$(eval $(call MAKE_BL,bl2u,ap-fwu-cfg,FWU_)))
1345endif
1346
1347# Expand build macros for the different images
1348ifeq (${NEED_FDT},yes)
1349    $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
1350endif
1351
1352# Add Secure Partition packages
1353ifeq (${NEED_SP_PKG},yes)
1354$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT}
1355	${Q}${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT}
1356sp: $(DTBS) $(BUILD_PLAT)/sp_gen.mk $(SP_PKGS)
1357	@${ECHO_BLANK_LINE}
1358	@echo "Built SP Images successfully"
1359	@${ECHO_BLANK_LINE}
1360endif
1361
1362locate-checkpatch:
1363ifndef CHECKPATCH
1364	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1365else
1366ifeq (,$(wildcard ${CHECKPATCH}))
1367	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1368endif
1369endif
1370
1371clean:
1372	@echo "  CLEAN"
1373	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
1374ifdef UNIX_MK
1375	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1376else
1377# Clear the MAKEFLAGS as we do not want
1378# to pass the gnumake flags to nmake.
1379	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) clean
1380endif
1381	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
1382	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean
1383	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1384
1385realclean distclean:
1386	@echo "  REALCLEAN"
1387	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
1388	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
1389ifdef UNIX_MK
1390	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1391else
1392# Clear the MAKEFLAGS as we do not want
1393# to pass the gnumake flags to nmake.
1394	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) realclean
1395endif
1396	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} realclean
1397	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean
1398	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1399
1400checkcodebase:		locate-checkpatch
1401	@echo "  CHECKING STYLE"
1402	@if test -d .git ; then						\
1403		git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' |	\
1404		while read GIT_FILE ;					\
1405		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
1406		done ;							\
1407	else								\
1408		 find . -type f -not -iwholename "*.git*"		\
1409		 -not -iwholename "*build*"				\
1410		 -not -iwholename "*libfdt*"				\
1411		 -not -iwholename "*libc*"				\
1412		 -not -iwholename "*docs*"				\
1413		 -not -iwholename "*.rst"				\
1414		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
1415	fi
1416
1417checkpatch:		locate-checkpatch
1418	@echo "  CHECKING STYLE"
1419	@if test -n "${CHECKPATCH_OPTS}"; then				\
1420		echo "    with ${CHECKPATCH_OPTS} option(s)";		\
1421	fi
1422	${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT});	\
1423	for commit in `git rev-list --no-merges $$COMMON_COMMIT..HEAD`;	\
1424	do								\
1425		printf "\n[*] Checking style of '$$commit'\n\n";	\
1426		git log --format=email "$$commit~..$$commit"		\
1427			-- ${CHECK_PATHS} |				\
1428			${CHECKPATCH} ${CHECKPATCH_OPTS} - || true;	\
1429		git diff --format=email "$$commit~..$$commit"		\
1430			-- ${CHECK_PATHS} |				\
1431			${CHECKPATCH}  ${CHECKPATCH_OPTS} - || true;	\
1432	done
1433
1434certtool: ${CRTTOOL}
1435
1436${CRTTOOL}: FORCE
1437	${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} OPENSSL_DIR=${OPENSSL_DIR} CRTTOOL=${CRTTOOL} --no-print-directory -C ${CRTTOOLPATH}
1438	@${ECHO_BLANK_LINE}
1439	@echo "Built $@ successfully"
1440	@${ECHO_BLANK_LINE}
1441
1442ifneq (${GENERATE_COT},0)
1443certificates: ${CRT_DEPS} ${CRTTOOL}
1444	${Q}${CRTTOOL} ${CRT_ARGS}
1445	@${ECHO_BLANK_LINE}
1446	@echo "Built $@ successfully"
1447	@echo "Certificates can be found in ${BUILD_PLAT}"
1448	@${ECHO_BLANK_LINE}
1449endif
1450
1451${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
1452	$(eval ${CHECK_FIP_CMD})
1453	${Q}${FIPTOOL} create ${FIP_ARGS} $@
1454	${Q}${FIPTOOL} info $@
1455	@${ECHO_BLANK_LINE}
1456	@echo "Built $@ successfully"
1457	@${ECHO_BLANK_LINE}
1458
1459ifneq (${GENERATE_COT},0)
1460fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
1461	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
1462	@${ECHO_BLANK_LINE}
1463	@echo "Built $@ successfully"
1464	@echo "FWU certificates can be found in ${BUILD_PLAT}"
1465	@${ECHO_BLANK_LINE}
1466endif
1467
1468${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
1469	$(eval ${CHECK_FWU_FIP_CMD})
1470	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
1471	${Q}${FIPTOOL} info $@
1472	@${ECHO_BLANK_LINE}
1473	@echo "Built $@ successfully"
1474	@${ECHO_BLANK_LINE}
1475
1476fiptool: ${FIPTOOL}
1477fip: ${BUILD_PLAT}/${FIP_NAME}
1478fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
1479
1480${FIPTOOL}: FORCE
1481ifdef UNIX_MK
1482	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} OPENSSL_DIR=${OPENSSL_DIR} --no-print-directory -C ${FIPTOOLPATH}
1483else
1484# Clear the MAKEFLAGS as we do not want
1485# to pass the gnumake flags to nmake.
1486	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL))
1487endif
1488
1489romlib.bin: libraries FORCE
1490	${Q}${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
1491
1492# Call print_memory_map tool
1493memmap: all
1494	${Q}${PYTHON} ${PRINT_MEMORY_MAP} ${BUILD_PLAT} ${INVERTED_MEMMAP}
1495
1496doc:
1497	@echo "  BUILD DOCUMENTATION"
1498	${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html
1499
1500enctool: ${ENCTOOL}
1501
1502${ENCTOOL}: FORCE
1503	${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} --no-print-directory -C ${ENCTOOLPATH}
1504	@${ECHO_BLANK_LINE}
1505	@echo "Built $@ successfully"
1506	@${ECHO_BLANK_LINE}
1507
1508cscope:
1509	@echo "  CSCOPE"
1510	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
1511	${Q}cscope -b -q -k
1512
1513help:
1514	@echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]"
1515	@echo ""
1516	@echo "PLAT is used to specify which platform you wish to build."
1517	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
1518	@echo ""
1519	@echo "platform = ${PLATFORM_LIST}"
1520	@echo ""
1521	@echo "Please refer to the User Guide for a list of all supported options."
1522	@echo "Note that the build system doesn't track dependencies for build "
1523	@echo "options. Therefore, if any of the build options are changed "
1524	@echo "from a previous build, a clean build must be performed."
1525	@echo ""
1526	@echo "Supported Targets:"
1527	@echo "  all            Build all individual bootloader binaries"
1528	@echo "  bl1            Build the BL1 binary"
1529	@echo "  bl2            Build the BL2 binary"
1530	@echo "  bl2u           Build the BL2U binary"
1531	@echo "  bl31           Build the BL31 binary"
1532	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
1533	@echo "                 this builds secure payload specified by AARCH32_SP"
1534	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
1535	@echo "  fip            Build the Firmware Image Package (FIP)"
1536	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
1537	@echo "  checkcodebase  Check the coding style of the entire source tree"
1538	@echo "  checkpatch     Check the coding style on changes in the current"
1539	@echo "                 branch against BASE_COMMIT (default origin/master)"
1540	@echo "  clean          Clean the build for the selected platform"
1541	@echo "  cscope         Generate cscope index"
1542	@echo "  distclean      Remove all build artifacts for all platforms"
1543	@echo "  certtool       Build the Certificate generation tool"
1544	@echo "  enctool        Build the Firmware encryption tool"
1545	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
1546	@echo "  sp             Build the Secure Partition Packages"
1547	@echo "  sptool         Build the Secure Partition Package creation tool"
1548	@echo "  dtbs           Build the Device Tree Blobs (if required for the platform)"
1549	@echo "  memmap         Print the memory map of the built binaries"
1550	@echo "  doc            Build html based documentation using Sphinx tool"
1551	@echo ""
1552	@echo "Note: most build targets require PLAT to be set to a specific platform."
1553	@echo ""
1554	@echo "example: build all targets for the FVP platform:"
1555	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
1556
1557.PHONY: FORCE
1558FORCE:;
1559