xref: /rk3399_ARM-atf/Makefile (revision dddf4283b043ad0a81d27bd5bb2f0c647c511e11)
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
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					$(wildcard lib/*)))
63ROOT_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
64					lib				\
65					include				\
66					docs				\
67					%.rst,				\
68					$(wildcard *)))
69CHECK_PATHS		:=	${ROOT_DIRS_TO_CHECK}			\
70				${INC_DIRS_TO_CHECK}			\
71				${INC_LIB_DIRS_TO_CHECK}		\
72				${LIB_DIRS_TO_CHECK}			\
73				${INC_DRV_DIRS_TO_CHECK}		\
74				${INC_ARM_DIRS_TO_CHECK}
75
76
77################################################################################
78# Process build options
79################################################################################
80
81# Verbose flag
82ifeq (${V},0)
83        Q:=@
84        ECHO:=@echo
85        CHECKCODE_ARGS	+=	--no-summary --terse
86else
87        Q:=
88        ECHO:=$(ECHO_QUIET)
89endif
90
91ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),)
92        Q:=@
93        ECHO:=$(ECHO_QUIET)
94endif
95
96export Q ECHO
97
98# The cert_create tool cannot generate certificates individually, so we use the
99# target 'certificates' to create them all
100ifneq (${GENERATE_COT},0)
101        FIP_DEPS += certificates
102        FWU_FIP_DEPS += fwu_certificates
103endif
104
105# Process BRANCH_PROTECTION value and set
106# Pointer Authentication and Branch Target Identification flags
107ifeq (${BRANCH_PROTECTION},0)
108	# Default value turns off all types of branch protection
109	BP_OPTION := none
110else ifneq (${ARCH},aarch64)
111        $(error BRANCH_PROTECTION requires AArch64)
112else ifeq (${BRANCH_PROTECTION},1)
113	# Enables all types of branch protection features
114	BP_OPTION := standard
115	ENABLE_BTI := 1
116	ENABLE_PAUTH := 1
117else ifeq (${BRANCH_PROTECTION},2)
118	# Return address signing to its standard level
119	BP_OPTION := pac-ret
120	ENABLE_PAUTH := 1
121else ifeq (${BRANCH_PROTECTION},3)
122	# Extend the signing to include leaf functions
123	BP_OPTION := pac-ret+leaf
124	ENABLE_PAUTH := 1
125else ifeq (${BRANCH_PROTECTION},4)
126	# Turn on branch target identification mechanism
127	BP_OPTION := bti
128	ENABLE_BTI := 1
129else
130        $(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION})
131endif
132
133# FEAT_RME
134ifeq (${ENABLE_RME},1)
135# RME doesn't support PIE
136ifneq (${ENABLE_PIE},0)
137        $(error ENABLE_RME does not support PIE)
138endif
139# RME doesn't support BRBE
140ifneq (${ENABLE_BRBE_FOR_NS},0)
141        $(error ENABLE_RME does not support BRBE.)
142endif
143# RME requires AARCH64
144ifneq (${ARCH},aarch64)
145        $(error ENABLE_RME requires AArch64)
146endif
147# RME requires el2 context to be saved for now.
148CTX_INCLUDE_EL2_REGS := 1
149CTX_INCLUDE_AARCH32_REGS := 0
150ARM_ARCH_MAJOR := 8
151ARM_ARCH_MINOR := 6
152endif
153
154# USE_SPINLOCK_CAS requires AArch64 build
155ifeq (${USE_SPINLOCK_CAS},1)
156ifneq (${ARCH},aarch64)
157        $(error USE_SPINLOCK_CAS requires AArch64)
158endif
159endif
160
161# USE_DEBUGFS experimental feature recommended only in debug builds
162ifeq (${USE_DEBUGFS},1)
163ifeq (${DEBUG},1)
164        $(warning DEBUGFS experimental feature is enabled.)
165else
166        $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY)
167endif
168endif
169
170ifneq (${DECRYPTION_SUPPORT},none)
171ENC_ARGS += -f ${FW_ENC_STATUS}
172ENC_ARGS += -k ${ENC_KEY}
173ENC_ARGS += -n ${ENC_NONCE}
174FIP_DEPS += enctool
175FWU_FIP_DEPS += enctool
176endif
177
178################################################################################
179# Toolchain
180################################################################################
181
182HOSTCC			:=	gcc
183export HOSTCC
184
185CC			:=	${CROSS_COMPILE}gcc
186CPP			:=	${CROSS_COMPILE}cpp
187AS			:=	${CROSS_COMPILE}gcc
188AR			:=	${CROSS_COMPILE}ar
189LINKER			:=	${CROSS_COMPILE}ld
190OC			:=	${CROSS_COMPILE}objcopy
191OD			:=	${CROSS_COMPILE}objdump
192NM			:=	${CROSS_COMPILE}nm
193PP			:=	${CROSS_COMPILE}gcc -E
194DTC			:=	dtc
195
196# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH).
197ifneq ($(strip $(wildcard ${LD}.bfd) \
198	$(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),)
199LINKER			:=	${LINKER}.bfd
200endif
201
202ifeq (${ARM_ARCH_MAJOR},7)
203target32-directive	= 	-target arm-none-eabi
204# Will set march32-directive from platform configuration
205else
206target32-directive	= 	-target armv8a-none-eabi
207
208# Set the compiler's target architecture profile based on
209# ARM_ARCH_MAJOR ARM_ARCH_MINOR options
210ifeq (${ARM_ARCH_MINOR},0)
211march32-directive	= 	-march=armv${ARM_ARCH_MAJOR}-a
212march64-directive	= 	-march=armv${ARM_ARCH_MAJOR}-a
213else
214march32-directive	= 	-march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a
215march64-directive	= 	-march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a
216endif
217endif
218
219# Memory tagging is supported in architecture Armv8.5-A AArch64 and onwards
220ifeq ($(ARCH), aarch64)
221# Check if revision is greater than or equal to 8.5
222ifeq "8.5" "$(word 1, $(sort 8.5 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
223mem_tag_arch_support	= 	yes
224endif
225endif
226
227# Get architecture feature modifiers
228arch-features		=	${ARM_ARCH_FEATURE}
229
230# Enable required options for memory stack tagging.
231# Currently, these options are enabled only for clang and armclang compiler.
232ifeq (${SUPPORT_STACK_MEMTAG},yes)
233ifdef mem_tag_arch_support
234# Check for armclang and clang compilers
235ifneq ( ,$(filter $(notdir $(CC)),armclang clang))
236# Add "memtag" architecture feature modifier if not specified
237ifeq ( ,$(findstring memtag,$(arch-features)))
238arch-features       	:=       $(arch-features)+memtag
239endif	# memtag
240ifeq ($(notdir $(CC)),armclang)
241TF_CFLAGS		+=	-mmemtag-stack
242else ifeq ($(notdir $(CC)),clang)
243TF_CFLAGS		+=	-fsanitize=memtag
244endif	# armclang
245endif	# armclang clang
246else
247$(error "Error: stack memory tagging is not supported for architecture \
248	${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a")
249endif	# mem_tag_arch_support
250endif	# SUPPORT_STACK_MEMTAG
251
252# Set the compiler's architecture feature modifiers
253ifneq ($(arch-features), none)
254# Strip "none+" from arch-features
255arch-features		:=	$(subst none+,,$(arch-features))
256ifeq ($(ARCH), aarch32)
257march32-directive	:=	$(march32-directive)+$(arch-features)
258else
259march64-directive	:=	$(march64-directive)+$(arch-features)
260endif
261# Print features
262$(info Arm Architecture Features specified: $(subst +, ,$(arch-features)))
263endif	# arch-features
264
265# Determine if FEAT_RNG is supported
266ENABLE_FEAT_RNG		=	$(if $(findstring rng,${arch-features}),1,0)
267
268# Determine if FEAT_SB is supported
269ENABLE_FEAT_SB		=	$(if $(findstring sb,${arch-features}),1,0)
270
271ifneq ($(findstring clang,$(notdir $(CC))),)
272	ifneq ($(findstring armclang,$(notdir $(CC))),)
273		TF_CFLAGS_aarch32	:=	-target arm-arm-none-eabi $(march32-directive)
274		TF_CFLAGS_aarch64	:=	-target aarch64-arm-none-eabi $(march64-directive)
275		LD			:=	$(LINKER)
276	else
277		TF_CFLAGS_aarch32	:=	$(target32-directive) $(march32-directive)
278		TF_CFLAGS_aarch64	:=	-target aarch64-elf $(march64-directive)
279		LD			:=	$(shell $(CC) --print-prog-name ld.lld)
280
281		AR			:=	$(shell $(CC) --print-prog-name llvm-ar)
282		OD			:=	$(shell $(CC) --print-prog-name llvm-objdump)
283		OC			:=	$(shell $(CC) --print-prog-name llvm-objcopy)
284	endif
285
286	CPP		:=	$(CC) -E $(TF_CFLAGS_$(ARCH))
287	PP		:=	$(CC) -E $(TF_CFLAGS_$(ARCH))
288	AS		:=	$(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH))
289else ifneq ($(findstring gcc,$(notdir $(CC))),)
290TF_CFLAGS_aarch32	=	$(march32-directive)
291TF_CFLAGS_aarch64	=	$(march64-directive)
292ifeq ($(ENABLE_LTO),1)
293	# Enable LTO only for aarch64
294	ifeq (${ARCH},aarch64)
295		LTO_CFLAGS	=	-flto
296		# Use gcc as a wrapper for the ld, recommended for LTO
297		LINKER		:=	${CROSS_COMPILE}gcc
298	endif
299endif
300LD			=	$(LINKER)
301else
302TF_CFLAGS_aarch32	=	$(march32-directive)
303TF_CFLAGS_aarch64	=	$(march64-directive)
304LD			=	$(LINKER)
305endif
306
307# Process Debug flag
308$(eval $(call add_define,DEBUG))
309ifneq (${DEBUG}, 0)
310        BUILD_TYPE	:=	debug
311        TF_CFLAGS	+=	-g -gdwarf-4
312        ASFLAGS		+=	-g -Wa,-gdwarf-4
313
314        # Use LOG_LEVEL_INFO by default for debug builds
315        LOG_LEVEL	:=	40
316else
317        BUILD_TYPE	:=	release
318        # Use LOG_LEVEL_NOTICE by default for release builds
319        LOG_LEVEL	:=	20
320endif
321
322# Default build string (git branch and commit)
323ifeq (${BUILD_STRING},)
324        BUILD_STRING  :=  $(shell git describe --always --dirty --tags 2> /dev/null)
325endif
326VERSION_STRING    :=  v${VERSION}(${BUILD_TYPE}):${BUILD_STRING}
327
328ifeq (${AARCH32_INSTRUCTION_SET},A32)
329TF_CFLAGS_aarch32	+=	-marm
330else ifeq (${AARCH32_INSTRUCTION_SET},T32)
331TF_CFLAGS_aarch32	+=	-mthumb
332else
333$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET})
334endif
335
336TF_CFLAGS_aarch32	+=	-mno-unaligned-access
337TF_CFLAGS_aarch64	+=	-mgeneral-regs-only -mstrict-align
338
339ifneq (${BP_OPTION},none)
340TF_CFLAGS_aarch64	+=	-mbranch-protection=${BP_OPTION}
341endif
342
343ASFLAGS_aarch32		=	$(march32-directive)
344ASFLAGS_aarch64		=	$(march64-directive)
345
346# General warnings
347WARNINGS		:=	-Wall -Wmissing-include-dirs -Wunused	\
348				-Wdisabled-optimization -Wvla -Wshadow	\
349				-Wno-unused-parameter -Wredundant-decls
350
351# Additional warnings
352# Level 1
353WARNING1 := -Wextra
354WARNING1 += -Wmissing-format-attribute
355WARNING1 += -Wmissing-prototypes
356WARNING1 += -Wold-style-definition
357
358# Level 2
359WARNING2 := -Waggregate-return
360WARNING2 += -Wcast-align
361WARNING2 += -Wnested-externs
362
363WARNING3 := -Wbad-function-cast
364WARNING3 += -Wcast-qual
365WARNING3 += -Wconversion
366WARNING3 += -Wpacked
367WARNING3 += -Wpointer-arith
368WARNING3 += -Wswitch-default
369
370ifeq (${W},1)
371WARNINGS += $(WARNING1)
372else ifeq (${W},2)
373WARNINGS += $(WARNING1) $(WARNING2)
374else ifeq (${W},3)
375WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3)
376endif
377
378# Compiler specific warnings
379ifeq ($(findstring clang,$(notdir $(CC))),)
380# not using clang
381WARNINGS	+=		-Wunused-but-set-variable -Wmaybe-uninitialized	\
382				-Wpacked-bitfield-compat -Wshift-overflow=2 \
383				-Wlogical-op
384else
385# using clang
386WARNINGS	+=		-Wshift-overflow -Wshift-sign-overflow \
387				-Wlogical-op-parentheses
388endif
389
390ifneq (${E},0)
391ERRORS := -Werror
392endif
393
394CPPFLAGS		=	${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc	\
395				$(ERRORS) $(WARNINGS)
396ASFLAGS			+=	$(CPPFLAGS) $(ASFLAGS_$(ARCH))			\
397				-ffreestanding -Wa,--fatal-warnings
398TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
399				-ffunction-sections -fdata-sections		\
400				-ffreestanding -fno-builtin -fno-common		\
401				-Os -std=gnu99
402
403ifeq (${SANITIZE_UB},on)
404TF_CFLAGS		+=	-fsanitize=undefined -fno-sanitize-recover
405endif
406ifeq (${SANITIZE_UB},trap)
407TF_CFLAGS		+=	-fsanitize=undefined -fno-sanitize-recover	\
408				-fsanitize-undefined-trap-on-error
409endif
410
411GCC_V_OUTPUT		:=	$(shell $(CC) -v 2>&1)
412
413# LD = armlink
414ifneq ($(findstring armlink,$(notdir $(LD))),)
415TF_LDFLAGS		+=	--diag_error=warning --lto_level=O1
416TF_LDFLAGS		+=	--remove --info=unused,unusedsymbols
417TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
418
419# LD = gcc (used when GCC LTO is enabled)
420else ifneq ($(findstring gcc,$(notdir $(LD))),)
421# Pass ld options with Wl or Xlinker switches
422TF_LDFLAGS		+=	-Wl,--fatal-warnings -O1
423TF_LDFLAGS		+=	-Wl,--gc-sections
424ifeq ($(ENABLE_LTO),1)
425	ifeq (${ARCH},aarch64)
426		TF_LDFLAGS	+=	-flto -fuse-linker-plugin
427	endif
428endif
429# GCC automatically adds fix-cortex-a53-843419 flag when used to link
430# which breaks some builds, so disable if errata fix is not explicitly enabled
431ifneq (${ERRATA_A53_843419},1)
432	TF_LDFLAGS	+= 	-mno-fix-cortex-a53-843419
433endif
434TF_LDFLAGS		+= 	-nostdlib
435TF_LDFLAGS		+=	$(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH)))
436
437# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other
438else
439TF_LDFLAGS		+=	--fatal-warnings -O1
440TF_LDFLAGS		+=	--gc-sections
441# ld.lld doesn't recognize the errata flags,
442# therefore don't add those in that case
443ifeq ($(findstring ld.lld,$(notdir $(LD))),)
444TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
445endif
446endif
447
448DTC_FLAGS		+=	-I dts -O dtb
449DTC_CPPFLAGS		+=	-P -nostdinc -Iinclude -Ifdts -undef \
450				-x assembler-with-cpp $(DEFINES)
451
452################################################################################
453# Common sources and include directories
454################################################################################
455include ${MAKE_HELPERS_DIRECTORY}arch_features.mk
456include lib/compiler-rt/compiler-rt.mk
457
458BL_COMMON_SOURCES	+=	common/bl_common.c			\
459				common/tf_log.c				\
460				common/${ARCH}/debug.S			\
461				drivers/console/multi_console.c		\
462				lib/${ARCH}/cache_helpers.S		\
463				lib/${ARCH}/misc_helpers.S		\
464				plat/common/plat_bl_common.c		\
465				plat/common/plat_log_common.c		\
466				plat/common/${ARCH}/plat_common.c	\
467				plat/common/${ARCH}/platform_helpers.S	\
468				${COMPILER_RT_SRCS}
469
470ifeq ($(notdir $(CC)),armclang)
471BL_COMMON_SOURCES	+=	lib/${ARCH}/armclang_printf.S
472endif
473
474ifeq (${SANITIZE_UB},on)
475BL_COMMON_SOURCES	+=	plat/common/ubsan.c
476endif
477
478INCLUDES		+=	-Iinclude				\
479				-Iinclude/arch/${ARCH}			\
480				-Iinclude/lib/cpus/${ARCH}		\
481				-Iinclude/lib/el3_runtime/${ARCH}	\
482				${PLAT_INCLUDES}			\
483				${SPD_INCLUDES}
484
485include common/backtrace/backtrace.mk
486
487################################################################################
488# Generic definitions
489################################################################################
490
491include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
492
493ifeq (${BUILD_BASE},)
494     BUILD_BASE		:=	./build
495endif
496BUILD_PLAT		:=	$(abspath ${BUILD_BASE})/${PLAT}/${BUILD_TYPE}
497
498SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
499
500# Platforms providing their own TBB makefile may override this value
501INCLUDE_TBBR_MK		:=	1
502
503
504################################################################################
505# Include SPD Makefile if one has been specified
506################################################################################
507
508ifneq (${SPD},none)
509    ifeq (${ARCH},aarch32)
510        $(error "Error: SPD is incompatible with AArch32.")
511    endif
512
513    ifdef EL3_PAYLOAD_BASE
514        $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
515        $(warning "The SPD and its BL32 companion will be present but ignored.")
516    endif
517
518    ifeq (${SPD},spmd)
519        # SPMD is located in std_svc directory
520        SPD_DIR := std_svc
521
522        ifeq ($(SPMD_SPM_AT_SEL2),1)
523            ifeq ($(CTX_INCLUDE_EL2_REGS),0)
524                $(error SPMD with SPM at S-EL2 requires CTX_INCLUDE_EL2_REGS option)
525            endif
526	    ifeq ($(SPMC_AT_EL3),1)
527                $(error SPM cannot be enabled in both S-EL2 and EL3.)
528            endif
529        endif
530
531        ifeq ($(findstring optee_sp,$(ARM_SPMC_MANIFEST_DTS)),optee_sp)
532            DTC_CPPFLAGS	+=	-DOPTEE_SP_FW_CONFIG
533        endif
534
535        ifeq ($(TS_SP_FW_CONFIG),1)
536            DTC_CPPFLAGS	+=	-DTS_SP_FW_CONFIG
537        endif
538
539        ifneq ($(ARM_BL2_SP_LIST_DTS),)
540            DTC_CPPFLAGS += -DARM_BL2_SP_LIST_DTS=$(ARM_BL2_SP_LIST_DTS)
541        endif
542
543        ifneq ($(SP_LAYOUT_FILE),)
544            BL2_ENABLE_SP_LOAD := 1
545        endif
546    else
547        # All other SPDs in spd directory
548        SPD_DIR := spd
549    endif
550
551    # We expect to locate an spd.mk under the specified SPD directory
552    SPD_MAKE	:=	$(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk)
553
554    ifeq (${SPD_MAKE},)
555        $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located)
556    endif
557    $(info Including ${SPD_MAKE})
558    include ${SPD_MAKE}
559
560    # If there's BL32 companion for the chosen SPD, we expect that the SPD's
561    # Makefile would set NEED_BL32 to "yes". In this case, the build system
562    # supports two mutually exclusive options:
563    # * BL32 is built from source: then BL32_SOURCES must contain the list
564    #   of source files to build BL32
565    # * BL32 is a prebuilt binary: then BL32 must point to the image file
566    #   that will be included in the FIP
567    # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
568    # over the sources.
569endif
570
571################################################################################
572# Include rmmd Makefile if RME is enabled
573################################################################################
574
575ifneq (${ENABLE_RME},0)
576ifneq (${ARCH},aarch64)
577	$(error ENABLE_RME requires AArch64)
578endif
579ifeq ($(SPMC_AT_EL3),1)
580	$(error SPMC_AT_EL3 and ENABLE_RME cannot both be enabled.)
581endif
582include services/std_svc/rmmd/rmmd.mk
583$(warning "RME is an experimental feature")
584endif
585
586################################################################################
587# Include the platform specific Makefile after the SPD Makefile (the platform
588# makefile may use all previous definitions in this file)
589################################################################################
590
591include ${PLAT_MAKEFILE_FULL}
592
593$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT}))
594
595ifeq (${ARM_ARCH_MAJOR},7)
596include make_helpers/armv7-a-cpus.mk
597endif
598
599PIE_FOUND		:=	$(findstring --enable-default-pie,${GCC_V_OUTPUT})
600ifneq ($(PIE_FOUND),)
601	TF_CFLAGS	+=	-fno-PIE
602endif
603
604ifneq ($(findstring gcc,$(notdir $(LD))),)
605	PIE_LDFLAGS	+=	-Wl,-pie -Wl,--no-dynamic-linker
606else
607	PIE_LDFLAGS	+=	-pie --no-dynamic-linker
608endif
609
610ifeq ($(ENABLE_PIE),1)
611ifeq ($(BL2_AT_EL3),1)
612ifneq ($(BL2_IN_XIP_MEM),1)
613	BL2_CFLAGS	+=	-fpie
614	BL2_LDFLAGS	+=	$(PIE_LDFLAGS)
615endif
616endif
617	BL31_CFLAGS	+=	-fpie
618	BL31_LDFLAGS	+=	$(PIE_LDFLAGS)
619	BL32_CFLAGS	+=	-fpie
620	BL32_LDFLAGS	+=	$(PIE_LDFLAGS)
621endif
622
623ifeq (${ARCH},aarch64)
624BL1_CPPFLAGS += -DIMAGE_AT_EL3
625ifeq ($(BL2_AT_EL3),1)
626BL2_CPPFLAGS += -DIMAGE_AT_EL3
627else
628BL2_CPPFLAGS += -DIMAGE_AT_EL1
629endif
630BL2U_CPPFLAGS += -DIMAGE_AT_EL1
631BL31_CPPFLAGS += -DIMAGE_AT_EL3
632BL32_CPPFLAGS += -DIMAGE_AT_EL1
633endif
634
635# Include the CPU specific operations makefile, which provides default
636# values for all CPU errata workarounds and CPU specific optimisations.
637# This can be overridden by the platform.
638include lib/cpus/cpu-ops.mk
639
640ifeq (${ARCH},aarch32)
641NEED_BL32 := yes
642
643################################################################################
644# Build `AARCH32_SP` as BL32 image for AArch32
645################################################################################
646ifneq (${AARCH32_SP},none)
647# We expect to locate an sp.mk under the specified AARCH32_SP directory
648AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
649
650ifeq (${AARCH32_SP_MAKE},)
651  $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
652endif
653
654$(info Including ${AARCH32_SP_MAKE})
655include ${AARCH32_SP_MAKE}
656endif
657
658endif
659
660################################################################################
661# Include libc if not overridden
662################################################################################
663ifeq (${OVERRIDE_LIBC},0)
664include lib/libc/libc.mk
665endif
666
667################################################################################
668# Check incompatible options
669################################################################################
670
671ifdef EL3_PAYLOAD_BASE
672        ifdef PRELOADED_BL33_BASE
673                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
674                incompatible build options. EL3_PAYLOAD_BASE has priority.")
675        endif
676        ifneq (${GENERATE_COT},0)
677                $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.")
678        endif
679        ifneq (${TRUSTED_BOARD_BOOT},0)
680                $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.")
681        endif
682endif
683
684ifeq (${NEED_BL33},yes)
685        ifdef EL3_PAYLOAD_BASE
686                $(warning "BL33 image is not needed when option \
687                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
688        endif
689        ifdef PRELOADED_BL33_BASE
690                $(warning "BL33 image is not needed when option \
691                PRELOADED_BL33_BASE is used and won't be added to the FIP \
692                file.")
693        endif
694endif
695
696# When building for systems with hardware-assisted coherency, there's no need to
697# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
698ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
699$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
700endif
701
702#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1.
703ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1)
704$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled")
705endif
706
707# For RAS_EXTENSION, require that EAs are handled in EL3 first
708ifeq ($(RAS_EXTENSION),1)
709    ifneq ($(HANDLE_EA_EL3_FIRST),1)
710        $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1)
711    endif
712endif
713
714# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled
715ifeq ($(FAULT_INJECTION_SUPPORT),1)
716    ifneq ($(RAS_EXTENSION),1)
717        $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1)
718    endif
719endif
720
721# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1
722ifeq ($(DYN_DISABLE_AUTH), 1)
723    ifeq (${TRUSTED_BOARD_BOOT}, 0)
724        $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.")
725    endif
726endif
727
728ifneq ($(filter 1,${MEASURED_BOOT} ${TRUSTED_BOARD_BOOT}),)
729    CRYPTO_SUPPORT := 1
730else
731    CRYPTO_SUPPORT := 0
732endif
733
734# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled.
735ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1)
736$(error "SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled")
737endif
738
739# If pointer authentication is used in the firmware, make sure that all the
740# registers associated to it are also saved and restored.
741# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1.
742ifeq ($(ENABLE_PAUTH),1)
743    ifeq ($(CTX_INCLUDE_PAUTH_REGS),0)
744        $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1)
745    endif
746endif
747
748ifeq ($(CTX_INCLUDE_PAUTH_REGS),1)
749    ifneq (${ARCH},aarch64)
750        $(error CTX_INCLUDE_PAUTH_REGS requires AArch64)
751    endif
752endif
753
754ifeq ($(CTX_INCLUDE_MTE_REGS),1)
755    ifneq (${ARCH},aarch64)
756        $(error CTX_INCLUDE_MTE_REGS requires AArch64)
757    endif
758endif
759
760ifeq ($(PSA_FWU_SUPPORT),1)
761    $(info PSA_FWU_SUPPORT is an experimental feature)
762endif
763
764ifeq ($(FEATURE_DETECTION),1)
765    $(info FEATURE_DETECTION is an experimental feature)
766endif
767
768ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1)
769    ifeq (${ALLOW_RO_XLAT_TABLES}, 1)
770        $(error "ALLOW_RO_XLAT_TABLES requires translation tables library v2")
771    endif
772endif
773
774ifneq (${DECRYPTION_SUPPORT},none)
775    ifeq (${TRUSTED_BOARD_BOOT}, 0)
776        $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT to be set)
777    endif
778endif
779
780# Ensure that no Aarch64-only features are enabled in Aarch32 build
781ifeq (${ARCH},aarch32)
782
783    # SME/SVE only supported on AArch64
784    ifeq (${ENABLE_SME_FOR_NS},1)
785        $(error "ENABLE_SME_FOR_NS cannot be used with ARCH=aarch32")
786    endif
787    ifeq (${ENABLE_SVE_FOR_NS},1)
788        # Warning instead of error due to CI dependency on this
789        $(error "ENABLE_SVE_FOR_NS cannot be used with ARCH=aarch32")
790    endif
791
792    # BRBE is not supported in Aarch32
793    ifeq (${ENABLE_BRBE_FOR_NS},1)
794        $(error "ENABLE_BRBE_FOR_NS cannot be used with ARCH=aarch32")
795    endif
796
797endif
798
799# Ensure ENABLE_RME is not used with SME
800ifeq (${ENABLE_RME},1)
801    ifeq (${ENABLE_SME_FOR_NS},1)
802        $(error "ENABLE_SME_FOR_NS cannot be used with ENABLE_RME")
803    endif
804endif
805
806# Secure SME/SVE requires the non-secure component as well
807ifeq (${ENABLE_SME_FOR_SWD},1)
808    ifeq (${ENABLE_SME_FOR_NS},0)
809        $(error "ENABLE_SME_FOR_SWD requires ENABLE_SME_FOR_NS")
810    endif
811endif
812ifeq (${ENABLE_SVE_FOR_SWD},1)
813    ifeq (${ENABLE_SVE_FOR_NS},0)
814        $(error "ENABLE_SVE_FOR_SWD requires ENABLE_SVE_FOR_NS")
815    endif
816endif
817
818# SVE and SME cannot be used with CTX_INCLUDE_FPREGS since secure manager does
819# its own context management including FPU registers.
820ifeq (${CTX_INCLUDE_FPREGS},1)
821    ifeq (${ENABLE_SME_FOR_NS},1)
822        $(error "ENABLE_SME_FOR_NS cannot be used with CTX_INCLUDE_FPREGS")
823    endif
824    ifeq (${ENABLE_SVE_FOR_NS},1)
825        # Warning instead of error due to CI dependency on this
826        $(warning "ENABLE_SVE_FOR_NS cannot be used with CTX_INCLUDE_FPREGS")
827        $(warning "Forced ENABLE_SVE_FOR_NS=0")
828        override ENABLE_SVE_FOR_NS	:= 0
829    endif
830endif
831
832ifeq ($(DRTM_SUPPORT),1)
833    $(info DRTM_SUPPORT is an experimental feature)
834endif
835
836################################################################################
837# Process platform overrideable behaviour
838################################################################################
839
840ifdef BL1_SOURCES
841NEED_BL1 := yes
842endif
843
844ifdef BL2_SOURCES
845	NEED_BL2 := yes
846
847	# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and
848	# Certificate generation tools. This flag can be overridden by the platform.
849	ifdef EL3_PAYLOAD_BASE
850                # If booting an EL3 payload there is no need for a BL33 image
851                # in the FIP file.
852                NEED_BL33		:=	no
853        else
854                ifdef PRELOADED_BL33_BASE
855                        # If booting a BL33 preloaded image there is no need of
856                        # another one in the FIP file.
857                        NEED_BL33		:=	no
858                else
859                        NEED_BL33		?=	yes
860                endif
861        endif
862endif
863
864ifdef BL2U_SOURCES
865NEED_BL2U := yes
866endif
867
868# If SCP_BL2 is given, we always want FIP to include it.
869ifdef SCP_BL2
870        NEED_SCP_BL2		:=	yes
871endif
872
873# For AArch32, BL31 is not currently supported.
874ifneq (${ARCH},aarch32)
875    ifdef BL31_SOURCES
876        # When booting an EL3 payload, there is no need to compile the BL31 image nor
877        # put it in the FIP.
878        ifndef EL3_PAYLOAD_BASE
879            NEED_BL31 := yes
880        endif
881    endif
882endif
883
884# Process TBB related flags
885ifneq (${GENERATE_COT},0)
886        # Common cert_create options
887        ifneq (${CREATE_KEYS},0)
888                $(eval CRT_ARGS += -n)
889                $(eval FWU_CRT_ARGS += -n)
890                ifneq (${SAVE_KEYS},0)
891                        $(eval CRT_ARGS += -k)
892                        $(eval FWU_CRT_ARGS += -k)
893                endif
894        endif
895        # Include TBBR makefile (unless the platform indicates otherwise)
896        ifeq (${INCLUDE_TBBR_MK},1)
897                include make_helpers/tbbr/tbbr_tools.mk
898        endif
899endif
900
901ifneq (${FIP_ALIGN},0)
902FIP_ARGS += --align ${FIP_ALIGN}
903endif
904
905ifdef FDT_SOURCES
906NEED_FDT := yes
907endif
908
909################################################################################
910# Include libraries' Makefile that are used in all BL
911################################################################################
912
913include lib/stack_protector/stack_protector.mk
914
915################################################################################
916# Auxiliary tools (fiptool, cert_create, etc)
917################################################################################
918
919# Variables for use with Certificate Generation Tool
920CRTTOOLPATH		?=	tools/cert_create
921CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
922
923# Variables for use with Firmware Encryption Tool
924ENCTOOLPATH		?=	tools/encrypt_fw
925ENCTOOL			?=	${ENCTOOLPATH}/encrypt_fw${BIN_EXT}
926
927# Variables for use with Firmware Image Package
928FIPTOOLPATH		?=	tools/fiptool
929FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
930
931# Variables for use with sptool
932SPTOOLPATH		?=	tools/sptool
933SPTOOL			?=	${SPTOOLPATH}/sptool.py
934SP_MK_GEN		?=	${SPTOOLPATH}/sp_mk_generator.py
935
936# Variables for use with ROMLIB
937ROMLIBPATH		?=	lib/romlib
938
939# Variable for use with Python
940PYTHON			?=	python3
941
942# Variables for use with PRINT_MEMORY_MAP
943PRINT_MEMORY_MAP_PATH		?=	tools/memory
944PRINT_MEMORY_MAP		?=	${PRINT_MEMORY_MAP_PATH}/print_memory_map.py
945
946# Variables for use with documentation build using Sphinx tool
947DOCS_PATH		?=	docs
948
949# Defination of SIMICS flag
950SIMICS_BUILD	?=	0
951
952################################################################################
953# Include BL specific makefiles
954################################################################################
955
956ifeq (${NEED_BL1},yes)
957include bl1/bl1.mk
958endif
959
960ifeq (${NEED_BL2},yes)
961include bl2/bl2.mk
962endif
963
964ifeq (${NEED_BL2U},yes)
965include bl2u/bl2u.mk
966endif
967
968ifeq (${NEED_BL31},yes)
969include bl31/bl31.mk
970endif
971
972################################################################################
973# Build options checks
974################################################################################
975
976$(eval $(call assert_booleans,\
977    $(sort \
978        ALLOW_RO_XLAT_TABLES \
979        BL2_ENABLE_SP_LOAD \
980        COLD_BOOT_SINGLE_CPU \
981        CREATE_KEYS \
982        CTX_INCLUDE_AARCH32_REGS \
983        CTX_INCLUDE_FPREGS \
984        CTX_INCLUDE_EL2_REGS \
985        DEBUG \
986        DISABLE_MTPMU \
987        DYN_DISABLE_AUTH \
988        EL3_EXCEPTION_HANDLING \
989        ENABLE_AMU \
990        ENABLE_AMU_AUXILIARY_COUNTERS \
991        ENABLE_AMU_FCONF \
992        AMU_RESTRICT_COUNTERS \
993        ENABLE_ASSERTIONS \
994        ENABLE_PIE \
995        ENABLE_PMF \
996        ENABLE_PSCI_STAT \
997        ENABLE_RUNTIME_INSTRUMENTATION \
998        ENABLE_SME_FOR_NS \
999        ENABLE_SME_FOR_SWD \
1000        ENABLE_SPE_FOR_LOWER_ELS \
1001        ENABLE_SVE_FOR_NS \
1002        ENABLE_SVE_FOR_SWD \
1003        ERROR_DEPRECATED \
1004        FAULT_INJECTION_SUPPORT \
1005        GENERATE_COT \
1006        GICV2_G0_FOR_EL3 \
1007        HANDLE_EA_EL3_FIRST \
1008        HW_ASSISTED_COHERENCY \
1009        INVERTED_MEMMAP \
1010        MEASURED_BOOT \
1011        DRTM_SUPPORT \
1012        NS_TIMER_SWITCH \
1013        OVERRIDE_LIBC \
1014        PL011_GENERIC_UART \
1015        PLAT_RSS_NOT_SUPPORTED \
1016        PROGRAMMABLE_RESET_ADDRESS \
1017        PSCI_EXTENDED_STATE_ID \
1018        RESET_TO_BL31 \
1019        RESET_TO_BL31_WITH_PARAMS \
1020        SAVE_KEYS \
1021        SEPARATE_CODE_AND_RODATA \
1022        SEPARATE_BL2_NOLOAD_REGION \
1023        SEPARATE_NOBITS_REGION \
1024        SPIN_ON_BL1_EXIT \
1025        SPM_MM \
1026        SPMC_AT_EL3 \
1027        SPMD_SPM_AT_SEL2 \
1028        TRUSTED_BOARD_BOOT \
1029        CRYPTO_SUPPORT \
1030        USE_COHERENT_MEM \
1031        USE_DEBUGFS \
1032        ARM_IO_IN_DTB \
1033        SDEI_IN_FCONF \
1034        SEC_INT_DESC_IN_FCONF \
1035        USE_ROMLIB \
1036        USE_TBBR_DEFS \
1037        WARMBOOT_ENABLE_DCACHE_EARLY \
1038        BL2_AT_EL3 \
1039        BL2_IN_XIP_MEM \
1040        BL2_INV_DCACHE \
1041        USE_SPINLOCK_CAS \
1042        ENCRYPT_BL31 \
1043        ENCRYPT_BL32 \
1044        ERRATA_SPECULATIVE_AT \
1045        RAS_TRAP_LOWER_EL_ERR_ACCESS \
1046        COT_DESC_IN_DTB \
1047        USE_SP804_TIMER \
1048        PSA_FWU_SUPPORT \
1049        ENABLE_SYS_REG_TRACE_FOR_NS \
1050        ENABLE_MPMM \
1051        ENABLE_MPMM_FCONF \
1052        SIMICS_BUILD \
1053        FEATURE_DETECTION \
1054)))
1055
1056$(eval $(call assert_numerics,\
1057    $(sort \
1058        ARM_ARCH_MAJOR \
1059        ARM_ARCH_MINOR \
1060        BRANCH_PROTECTION \
1061        CTX_INCLUDE_PAUTH_REGS \
1062        CTX_INCLUDE_MTE_REGS \
1063        CTX_INCLUDE_NEVE_REGS \
1064        ENABLE_BRBE_FOR_NS \
1065        ENABLE_TRBE_FOR_NS \
1066        ENABLE_BTI \
1067        ENABLE_PAUTH \
1068        ENABLE_FEAT_AMUv1 \
1069        ENABLE_FEAT_AMUv1p1 \
1070        ENABLE_FEAT_CSV2_2 \
1071        ENABLE_FEAT_DIT \
1072        ENABLE_FEAT_ECV \
1073        ENABLE_FEAT_FGT \
1074        ENABLE_FEAT_HCX \
1075        ENABLE_FEAT_PAN \
1076        ENABLE_FEAT_RNG \
1077        ENABLE_FEAT_SB \
1078        ENABLE_FEAT_SEL2 \
1079        ENABLE_FEAT_VHE \
1080        ENABLE_MPAM_FOR_LOWER_ELS \
1081        ENABLE_RME \
1082        ENABLE_TRF_FOR_NS \
1083        FW_ENC_STATUS \
1084        NR_OF_FW_BANKS \
1085        NR_OF_IMAGES_IN_FW_BANK \
1086        RAS_EXTENSION \
1087        TWED_DELAY \
1088        ENABLE_FEAT_TWED \
1089)))
1090
1091ifdef KEY_SIZE
1092        $(eval $(call assert_numeric,KEY_SIZE))
1093endif
1094
1095ifeq ($(filter $(SANITIZE_UB), on off trap),)
1096        $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap")
1097endif
1098
1099################################################################################
1100# Add definitions to the cpp preprocessor based on the current build options.
1101# This is done after including the platform specific makefile to allow the
1102# platform to overwrite the default options
1103################################################################################
1104
1105$(eval $(call add_defines,\
1106    $(sort \
1107        ALLOW_RO_XLAT_TABLES \
1108        ARM_ARCH_MAJOR \
1109        ARM_ARCH_MINOR \
1110        BL2_ENABLE_SP_LOAD \
1111        COLD_BOOT_SINGLE_CPU \
1112        CTX_INCLUDE_AARCH32_REGS \
1113        CTX_INCLUDE_FPREGS \
1114        CTX_INCLUDE_PAUTH_REGS \
1115        EL3_EXCEPTION_HANDLING \
1116        CTX_INCLUDE_MTE_REGS \
1117        CTX_INCLUDE_EL2_REGS \
1118        CTX_INCLUDE_NEVE_REGS \
1119        DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \
1120        DISABLE_MTPMU \
1121        ENABLE_AMU \
1122        ENABLE_AMU_AUXILIARY_COUNTERS \
1123        ENABLE_AMU_FCONF \
1124        AMU_RESTRICT_COUNTERS \
1125        ENABLE_ASSERTIONS \
1126        ENABLE_BTI \
1127        ENABLE_MPAM_FOR_LOWER_ELS \
1128        ENABLE_PAUTH \
1129        ENABLE_PIE \
1130        ENABLE_PMF \
1131        ENABLE_PSCI_STAT \
1132        ENABLE_RME \
1133        ENABLE_RUNTIME_INSTRUMENTATION \
1134        ENABLE_SME_FOR_NS \
1135        ENABLE_SME_FOR_SWD \
1136        ENABLE_SPE_FOR_LOWER_ELS \
1137        ENABLE_SVE_FOR_NS \
1138        ENABLE_SVE_FOR_SWD \
1139        ENCRYPT_BL31 \
1140        ENCRYPT_BL32 \
1141        ERROR_DEPRECATED \
1142        FAULT_INJECTION_SUPPORT \
1143        GICV2_G0_FOR_EL3 \
1144        HANDLE_EA_EL3_FIRST \
1145        HW_ASSISTED_COHERENCY \
1146        LOG_LEVEL \
1147        MEASURED_BOOT \
1148        DRTM_SUPPORT \
1149        NS_TIMER_SWITCH \
1150        PL011_GENERIC_UART \
1151        PLAT_${PLAT} \
1152        PLAT_RSS_NOT_SUPPORTED \
1153        PROGRAMMABLE_RESET_ADDRESS \
1154        PSCI_EXTENDED_STATE_ID \
1155        RAS_EXTENSION \
1156        RESET_TO_BL31 \
1157        RESET_TO_BL31_WITH_PARAMS \
1158        SEPARATE_CODE_AND_RODATA \
1159        SEPARATE_BL2_NOLOAD_REGION \
1160        SEPARATE_NOBITS_REGION \
1161        RECLAIM_INIT_CODE \
1162        SPD_${SPD} \
1163        SPIN_ON_BL1_EXIT \
1164        SPM_MM \
1165        SPMC_AT_EL3 \
1166        SPMD_SPM_AT_SEL2 \
1167        TRUSTED_BOARD_BOOT \
1168        CRYPTO_SUPPORT \
1169        TRNG_SUPPORT \
1170        USE_COHERENT_MEM \
1171        USE_DEBUGFS \
1172        ARM_IO_IN_DTB \
1173        SDEI_IN_FCONF \
1174        SEC_INT_DESC_IN_FCONF \
1175        USE_ROMLIB \
1176        USE_TBBR_DEFS \
1177        WARMBOOT_ENABLE_DCACHE_EARLY \
1178        BL2_AT_EL3 \
1179        BL2_IN_XIP_MEM \
1180        BL2_INV_DCACHE \
1181        USE_SPINLOCK_CAS \
1182        ERRATA_SPECULATIVE_AT \
1183        RAS_TRAP_LOWER_EL_ERR_ACCESS \
1184        COT_DESC_IN_DTB \
1185        USE_SP804_TIMER \
1186        ENABLE_FEAT_RNG \
1187        ENABLE_FEAT_SB \
1188        ENABLE_FEAT_DIT \
1189        NR_OF_FW_BANKS \
1190        NR_OF_IMAGES_IN_FW_BANK \
1191        PSA_FWU_SUPPORT \
1192        ENABLE_BRBE_FOR_NS \
1193        ENABLE_TRBE_FOR_NS \
1194        ENABLE_SYS_REG_TRACE_FOR_NS \
1195        ENABLE_TRF_FOR_NS \
1196        ENABLE_FEAT_HCX \
1197        ENABLE_MPMM \
1198        ENABLE_MPMM_FCONF \
1199        ENABLE_FEAT_FGT \
1200        ENABLE_FEAT_AMUv1 \
1201        ENABLE_FEAT_ECV \
1202        SIMICS_BUILD \
1203        ENABLE_FEAT_AMUv1p1 \
1204        ENABLE_FEAT_SEL2 \
1205        ENABLE_FEAT_VHE \
1206        ENABLE_FEAT_CSV2_2 \
1207        ENABLE_FEAT_PAN \
1208        FEATURE_DETECTION \
1209        TWED_DELAY \
1210        ENABLE_FEAT_TWED \
1211)))
1212
1213ifeq (${SANITIZE_UB},trap)
1214        $(eval $(call add_define,MONITOR_TRAPS))
1215endif
1216
1217# Define the EL3_PAYLOAD_BASE flag only if it is provided.
1218ifdef EL3_PAYLOAD_BASE
1219        $(eval $(call add_define,EL3_PAYLOAD_BASE))
1220else
1221        # Define the PRELOADED_BL33_BASE flag only if it is provided and
1222        # EL3_PAYLOAD_BASE is not defined, as it has priority.
1223        ifdef PRELOADED_BL33_BASE
1224                $(eval $(call add_define,PRELOADED_BL33_BASE))
1225        endif
1226endif
1227
1228# Define the DYN_DISABLE_AUTH flag only if set.
1229ifeq (${DYN_DISABLE_AUTH},1)
1230$(eval $(call add_define,DYN_DISABLE_AUTH))
1231endif
1232
1233ifneq ($(findstring armlink,$(notdir $(LD))),)
1234$(eval $(call add_define,USE_ARM_LINK))
1235endif
1236
1237# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined
1238ifeq (${SPD},spmd)
1239ifdef SP_LAYOUT_FILE
1240        -include $(BUILD_PLAT)/sp_gen.mk
1241        FIP_DEPS += sp
1242        CRT_DEPS += sp
1243        NEED_SP_PKG := yes
1244else
1245        ifeq (${SPMD_SPM_AT_SEL2},1)
1246            $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE")
1247        endif
1248endif
1249endif
1250
1251################################################################################
1252# Build targets
1253################################################################################
1254
1255.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc enctool
1256.SUFFIXES:
1257
1258all: msg_start
1259
1260msg_start:
1261	@echo "Building ${PLAT}"
1262
1263ifeq (${ERROR_DEPRECATED},0)
1264# Check if deprecated declarations and cpp warnings should be treated as error or not.
1265ifneq ($(findstring clang,$(notdir $(CC))),)
1266    CPPFLAGS		+= 	-Wno-error=deprecated-declarations
1267else
1268    CPPFLAGS		+= 	-Wno-error=deprecated-declarations -Wno-error=cpp
1269endif
1270endif # !ERROR_DEPRECATED
1271
1272$(eval $(call MAKE_LIB_DIRS))
1273$(eval $(call MAKE_LIB,c))
1274
1275# Expand build macros for the different images
1276ifeq (${NEED_BL1},yes)
1277BL1_SOURCES := $(sort ${BL1_SOURCES})
1278
1279$(eval $(call MAKE_BL,bl1))
1280endif
1281
1282ifeq (${NEED_BL2},yes)
1283ifeq (${BL2_AT_EL3}, 0)
1284FIP_BL2_ARGS := tb-fw
1285endif
1286
1287BL2_SOURCES := $(sort ${BL2_SOURCES})
1288
1289$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
1290	$(eval $(call MAKE_BL,bl2,${FIP_BL2_ARGS})))
1291endif
1292
1293ifeq (${NEED_SCP_BL2},yes)
1294$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw))
1295endif
1296
1297ifeq (${NEED_BL31},yes)
1298BL31_SOURCES += ${SPD_SOURCES}
1299# Sort BL31 source files to remove duplicates
1300BL31_SOURCES := $(sort ${BL31_SOURCES})
1301ifneq (${DECRYPTION_SUPPORT},none)
1302$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\
1303	$(eval $(call MAKE_BL,bl31,soc-fw,,$(ENCRYPT_BL31))))
1304else
1305$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
1306	$(eval $(call MAKE_BL,bl31,soc-fw)))
1307endif
1308endif
1309
1310# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
1311# build system will call TOOL_ADD_IMG to print a warning message and abort the
1312# process. Note that the dependency on BL32 applies to the FIP only.
1313ifeq (${NEED_BL32},yes)
1314# Sort BL32 source files to remove duplicates
1315BL32_SOURCES := $(sort ${BL32_SOURCES})
1316BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
1317
1318ifneq (${DECRYPTION_SUPPORT},none)
1319$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw,,$(ENCRYPT_BL32))),\
1320	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32))))
1321else
1322$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw)),\
1323	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
1324endif
1325endif
1326
1327# If RMM image is needed but RMM is not defined, Test Realm Payload (TRP)
1328# needs to be built from RMM_SOURCES.
1329ifeq (${NEED_RMM},yes)
1330# Sort RMM source files to remove duplicates
1331RMM_SOURCES := $(sort ${RMM_SOURCES})
1332BUILD_RMM := $(if $(RMM),,$(if $(RMM_SOURCES),1))
1333
1334$(if ${BUILD_RMM}, $(eval $(call MAKE_BL,rmm,rmm-fw)),\
1335         $(eval $(call TOOL_ADD_IMG,rmm,--rmm-fw)))
1336endif
1337
1338# Add the BL33 image if required by the platform
1339ifeq (${NEED_BL33},yes)
1340$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
1341endif
1342
1343ifeq (${NEED_BL2U},yes)
1344$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\
1345	$(eval $(call MAKE_BL,bl2u,ap-fwu-cfg,FWU_)))
1346endif
1347
1348# Expand build macros for the different images
1349ifeq (${NEED_FDT},yes)
1350    $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
1351endif
1352
1353# Add Secure Partition packages
1354ifeq (${NEED_SP_PKG},yes)
1355$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT}
1356	${Q}${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT}
1357sp: $(DTBS) $(BUILD_PLAT)/sp_gen.mk $(SP_PKGS)
1358	@${ECHO_BLANK_LINE}
1359	@echo "Built SP Images successfully"
1360	@${ECHO_BLANK_LINE}
1361endif
1362
1363locate-checkpatch:
1364ifndef CHECKPATCH
1365	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1366else
1367ifeq (,$(wildcard ${CHECKPATCH}))
1368	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1369endif
1370endif
1371
1372clean:
1373	@echo "  CLEAN"
1374	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
1375ifdef UNIX_MK
1376	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1377else
1378# Clear the MAKEFLAGS as we do not want
1379# to pass the gnumake flags to nmake.
1380	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) clean
1381endif
1382	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
1383	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean
1384	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1385
1386realclean distclean:
1387	@echo "  REALCLEAN"
1388	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
1389	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
1390ifdef UNIX_MK
1391	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1392else
1393# Clear the MAKEFLAGS as we do not want
1394# to pass the gnumake flags to nmake.
1395	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) realclean
1396endif
1397	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} realclean
1398	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean
1399	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1400
1401checkcodebase:		locate-checkpatch
1402	@echo "  CHECKING STYLE"
1403	@if test -d .git ; then						\
1404		git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' |	\
1405		while read GIT_FILE ;					\
1406		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
1407		done ;							\
1408	else								\
1409		 find . -type f -not -iwholename "*.git*"		\
1410		 -not -iwholename "*build*"				\
1411		 -not -iwholename "*libfdt*"				\
1412		 -not -iwholename "*libc*"				\
1413		 -not -iwholename "*docs*"				\
1414		 -not -iwholename "*.rst"				\
1415		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
1416	fi
1417
1418checkpatch:		locate-checkpatch
1419	@echo "  CHECKING STYLE"
1420	@if test -n "${CHECKPATCH_OPTS}"; then				\
1421		echo "    with ${CHECKPATCH_OPTS} option(s)";		\
1422	fi
1423	${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT});	\
1424	for commit in `git rev-list --no-merges $$COMMON_COMMIT..HEAD`;	\
1425	do								\
1426		printf "\n[*] Checking style of '$$commit'\n\n";	\
1427		git log --format=email "$$commit~..$$commit"		\
1428			-- ${CHECK_PATHS} |				\
1429			${CHECKPATCH} ${CHECKPATCH_OPTS} - || true;	\
1430		git diff --format=email "$$commit~..$$commit"		\
1431			-- ${CHECK_PATHS} |				\
1432			${CHECKPATCH}  ${CHECKPATCH_OPTS} - || true;	\
1433	done
1434
1435certtool: ${CRTTOOL}
1436
1437${CRTTOOL}: FORCE
1438	${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} OPENSSL_DIR=${OPENSSL_DIR} CRTTOOL=${CRTTOOL} --no-print-directory -C ${CRTTOOLPATH}
1439	@${ECHO_BLANK_LINE}
1440	@echo "Built $@ successfully"
1441	@${ECHO_BLANK_LINE}
1442
1443ifneq (${GENERATE_COT},0)
1444certificates: ${CRT_DEPS} ${CRTTOOL}
1445	${Q}${CRTTOOL} ${CRT_ARGS}
1446	@${ECHO_BLANK_LINE}
1447	@echo "Built $@ successfully"
1448	@echo "Certificates can be found in ${BUILD_PLAT}"
1449	@${ECHO_BLANK_LINE}
1450endif
1451
1452${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
1453	$(eval ${CHECK_FIP_CMD})
1454	${Q}${FIPTOOL} create ${FIP_ARGS} $@
1455	${Q}${FIPTOOL} info $@
1456	@${ECHO_BLANK_LINE}
1457	@echo "Built $@ successfully"
1458	@${ECHO_BLANK_LINE}
1459
1460ifneq (${GENERATE_COT},0)
1461fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
1462	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
1463	@${ECHO_BLANK_LINE}
1464	@echo "Built $@ successfully"
1465	@echo "FWU certificates can be found in ${BUILD_PLAT}"
1466	@${ECHO_BLANK_LINE}
1467endif
1468
1469${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
1470	$(eval ${CHECK_FWU_FIP_CMD})
1471	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
1472	${Q}${FIPTOOL} info $@
1473	@${ECHO_BLANK_LINE}
1474	@echo "Built $@ successfully"
1475	@${ECHO_BLANK_LINE}
1476
1477fiptool: ${FIPTOOL}
1478fip: ${BUILD_PLAT}/${FIP_NAME}
1479fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
1480
1481${FIPTOOL}: FORCE
1482ifdef UNIX_MK
1483	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} OPENSSL_DIR=${OPENSSL_DIR} --no-print-directory -C ${FIPTOOLPATH}
1484else
1485# Clear the MAKEFLAGS as we do not want
1486# to pass the gnumake flags to nmake.
1487	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL))
1488endif
1489
1490romlib.bin: libraries FORCE
1491	${Q}${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
1492
1493# Call print_memory_map tool
1494memmap: all
1495	${Q}${PYTHON} ${PRINT_MEMORY_MAP} ${BUILD_PLAT} ${INVERTED_MEMMAP}
1496
1497doc:
1498	@echo "  BUILD DOCUMENTATION"
1499	${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html
1500
1501enctool: ${ENCTOOL}
1502
1503${ENCTOOL}: FORCE
1504	${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} --no-print-directory -C ${ENCTOOLPATH}
1505	@${ECHO_BLANK_LINE}
1506	@echo "Built $@ successfully"
1507	@${ECHO_BLANK_LINE}
1508
1509cscope:
1510	@echo "  CSCOPE"
1511	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
1512	${Q}cscope -b -q -k
1513
1514help:
1515	@echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]"
1516	@echo ""
1517	@echo "PLAT is used to specify which platform you wish to build."
1518	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
1519	@echo ""
1520	@echo "platform = ${PLATFORM_LIST}"
1521	@echo ""
1522	@echo "Please refer to the User Guide for a list of all supported options."
1523	@echo "Note that the build system doesn't track dependencies for build "
1524	@echo "options. Therefore, if any of the build options are changed "
1525	@echo "from a previous build, a clean build must be performed."
1526	@echo ""
1527	@echo "Supported Targets:"
1528	@echo "  all            Build all individual bootloader binaries"
1529	@echo "  bl1            Build the BL1 binary"
1530	@echo "  bl2            Build the BL2 binary"
1531	@echo "  bl2u           Build the BL2U binary"
1532	@echo "  bl31           Build the BL31 binary"
1533	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
1534	@echo "                 this builds secure payload specified by AARCH32_SP"
1535	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
1536	@echo "  fip            Build the Firmware Image Package (FIP)"
1537	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
1538	@echo "  checkcodebase  Check the coding style of the entire source tree"
1539	@echo "  checkpatch     Check the coding style on changes in the current"
1540	@echo "                 branch against BASE_COMMIT (default origin/master)"
1541	@echo "  clean          Clean the build for the selected platform"
1542	@echo "  cscope         Generate cscope index"
1543	@echo "  distclean      Remove all build artifacts for all platforms"
1544	@echo "  certtool       Build the Certificate generation tool"
1545	@echo "  enctool        Build the Firmware encryption tool"
1546	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
1547	@echo "  sp             Build the Secure Partition Packages"
1548	@echo "  sptool         Build the Secure Partition Package creation tool"
1549	@echo "  dtbs           Build the Device Tree Blobs (if required for the platform)"
1550	@echo "  memmap         Print the memory map of the built binaries"
1551	@echo "  doc            Build html based documentation using Sphinx tool"
1552	@echo ""
1553	@echo "Note: most build targets require PLAT to be set to a specific platform."
1554	@echo ""
1555	@echo "example: build all targets for the FVP platform:"
1556	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
1557
1558.PHONY: FORCE
1559FORCE:;
1560