xref: /rk3399_ARM-atf/Makefile (revision ed397c9857c9cd18444b2417fc5ec18c048b95bf)
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
403$(eval $(call add_define,SVE_VECTOR_LEN))
404
405ifeq (${SANITIZE_UB},on)
406TF_CFLAGS		+=	-fsanitize=undefined -fno-sanitize-recover
407endif
408ifeq (${SANITIZE_UB},trap)
409TF_CFLAGS		+=	-fsanitize=undefined -fno-sanitize-recover	\
410				-fsanitize-undefined-trap-on-error
411endif
412
413GCC_V_OUTPUT		:=	$(shell $(CC) -v 2>&1)
414
415# LD = armlink
416ifneq ($(findstring armlink,$(notdir $(LD))),)
417TF_LDFLAGS		+=	--diag_error=warning --lto_level=O1
418TF_LDFLAGS		+=	--remove --info=unused,unusedsymbols
419TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
420
421# LD = gcc (used when GCC LTO is enabled)
422else ifneq ($(findstring gcc,$(notdir $(LD))),)
423# Pass ld options with Wl or Xlinker switches
424TF_LDFLAGS		+=	-Wl,--fatal-warnings -O1
425TF_LDFLAGS		+=	-Wl,--gc-sections
426ifeq ($(ENABLE_LTO),1)
427	ifeq (${ARCH},aarch64)
428		TF_LDFLAGS	+=	-flto -fuse-linker-plugin
429	endif
430endif
431# GCC automatically adds fix-cortex-a53-843419 flag when used to link
432# which breaks some builds, so disable if errata fix is not explicitly enabled
433ifneq (${ERRATA_A53_843419},1)
434	TF_LDFLAGS	+= 	-mno-fix-cortex-a53-843419
435endif
436TF_LDFLAGS		+= 	-nostdlib
437TF_LDFLAGS		+=	$(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH)))
438
439# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other
440else
441TF_LDFLAGS		+=	--fatal-warnings -O1
442TF_LDFLAGS		+=	--gc-sections
443# ld.lld doesn't recognize the errata flags,
444# therefore don't add those in that case
445ifeq ($(findstring ld.lld,$(notdir $(LD))),)
446TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
447endif
448endif
449
450DTC_FLAGS		+=	-I dts -O dtb
451DTC_CPPFLAGS		+=	-P -nostdinc -Iinclude -Ifdts -undef \
452				-x assembler-with-cpp $(DEFINES)
453
454################################################################################
455# Common sources and include directories
456################################################################################
457include ${MAKE_HELPERS_DIRECTORY}arch_features.mk
458include lib/compiler-rt/compiler-rt.mk
459
460BL_COMMON_SOURCES	+=	common/bl_common.c			\
461				common/tf_log.c				\
462				common/${ARCH}/debug.S			\
463				drivers/console/multi_console.c		\
464				lib/${ARCH}/cache_helpers.S		\
465				lib/${ARCH}/misc_helpers.S		\
466				plat/common/plat_bl_common.c		\
467				plat/common/plat_log_common.c		\
468				plat/common/${ARCH}/plat_common.c	\
469				plat/common/${ARCH}/platform_helpers.S	\
470				${COMPILER_RT_SRCS}
471
472ifeq ($(notdir $(CC)),armclang)
473BL_COMMON_SOURCES	+=	lib/${ARCH}/armclang_printf.S
474endif
475
476ifeq (${SANITIZE_UB},on)
477BL_COMMON_SOURCES	+=	plat/common/ubsan.c
478endif
479
480INCLUDES		+=	-Iinclude				\
481				-Iinclude/arch/${ARCH}			\
482				-Iinclude/lib/cpus/${ARCH}		\
483				-Iinclude/lib/el3_runtime/${ARCH}	\
484				${PLAT_INCLUDES}			\
485				${SPD_INCLUDES}
486
487include common/backtrace/backtrace.mk
488
489################################################################################
490# Generic definitions
491################################################################################
492
493include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
494
495ifeq (${BUILD_BASE},)
496     BUILD_BASE		:=	./build
497endif
498BUILD_PLAT		:=	$(abspath ${BUILD_BASE})/${PLAT}/${BUILD_TYPE}
499
500SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
501
502# Platforms providing their own TBB makefile may override this value
503INCLUDE_TBBR_MK		:=	1
504
505
506################################################################################
507# Include SPD Makefile if one has been specified
508################################################################################
509
510ifneq (${SPD},none)
511    ifeq (${ARCH},aarch32)
512        $(error "Error: SPD is incompatible with AArch32.")
513    endif
514
515    ifdef EL3_PAYLOAD_BASE
516        $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
517        $(warning "The SPD and its BL32 companion will be present but ignored.")
518    endif
519
520    ifeq (${SPD},spmd)
521        # SPMD is located in std_svc directory
522        SPD_DIR := std_svc
523
524        ifeq ($(SPMD_SPM_AT_SEL2),1)
525            ifeq ($(CTX_INCLUDE_EL2_REGS),0)
526                $(error SPMD with SPM at S-EL2 requires CTX_INCLUDE_EL2_REGS option)
527            endif
528	    ifeq ($(SPMC_AT_EL3),1)
529                $(error SPM cannot be enabled in both S-EL2 and EL3.)
530            endif
531        endif
532
533        ifeq ($(findstring optee_sp,$(ARM_SPMC_MANIFEST_DTS)),optee_sp)
534            DTC_CPPFLAGS	+=	-DOPTEE_SP_FW_CONFIG
535        endif
536
537        ifeq ($(TS_SP_FW_CONFIG),1)
538            DTC_CPPFLAGS	+=	-DTS_SP_FW_CONFIG
539        endif
540
541        ifneq ($(ARM_BL2_SP_LIST_DTS),)
542            DTC_CPPFLAGS += -DARM_BL2_SP_LIST_DTS=$(ARM_BL2_SP_LIST_DTS)
543        endif
544
545        ifneq ($(SP_LAYOUT_FILE),)
546            BL2_ENABLE_SP_LOAD := 1
547        endif
548    else
549        # All other SPDs in spd directory
550        SPD_DIR := spd
551    endif
552
553    # We expect to locate an spd.mk under the specified SPD directory
554    SPD_MAKE	:=	$(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk)
555
556    ifeq (${SPD_MAKE},)
557        $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located)
558    endif
559    $(info Including ${SPD_MAKE})
560    include ${SPD_MAKE}
561
562    # If there's BL32 companion for the chosen SPD, we expect that the SPD's
563    # Makefile would set NEED_BL32 to "yes". In this case, the build system
564    # supports two mutually exclusive options:
565    # * BL32 is built from source: then BL32_SOURCES must contain the list
566    #   of source files to build BL32
567    # * BL32 is a prebuilt binary: then BL32 must point to the image file
568    #   that will be included in the FIP
569    # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
570    # over the sources.
571endif
572
573################################################################################
574# Include rmmd Makefile if RME is enabled
575################################################################################
576
577ifneq (${ENABLE_RME},0)
578ifneq (${ARCH},aarch64)
579	$(error ENABLE_RME requires AArch64)
580endif
581ifeq ($(SPMC_AT_EL3),1)
582	$(error SPMC_AT_EL3 and ENABLE_RME cannot both be enabled.)
583endif
584include services/std_svc/rmmd/rmmd.mk
585$(warning "RME is an experimental feature")
586endif
587
588################################################################################
589# Include the platform specific Makefile after the SPD Makefile (the platform
590# makefile may use all previous definitions in this file)
591################################################################################
592
593include ${PLAT_MAKEFILE_FULL}
594
595$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT}))
596
597ifeq (${ARM_ARCH_MAJOR},7)
598include make_helpers/armv7-a-cpus.mk
599endif
600
601PIE_FOUND		:=	$(findstring --enable-default-pie,${GCC_V_OUTPUT})
602ifneq ($(PIE_FOUND),)
603	TF_CFLAGS	+=	-fno-PIE
604ifneq ($(findstring gcc,$(notdir $(LD))),)
605	TF_LDFLAGS	+=	-no-pie
606endif
607endif
608
609ifneq ($(findstring gcc,$(notdir $(LD))),)
610	PIE_LDFLAGS	+=	-Wl,-pie -Wl,--no-dynamic-linker
611else
612	PIE_LDFLAGS	+=	-pie --no-dynamic-linker
613endif
614
615ifeq ($(ENABLE_PIE),1)
616ifeq ($(BL2_AT_EL3),1)
617ifneq ($(BL2_IN_XIP_MEM),1)
618	BL2_CFLAGS	+=	-fpie
619	BL2_LDFLAGS	+=	$(PIE_LDFLAGS)
620endif
621endif
622	BL31_CFLAGS	+=	-fpie
623	BL31_LDFLAGS	+=	$(PIE_LDFLAGS)
624	BL32_CFLAGS	+=	-fpie
625	BL32_LDFLAGS	+=	$(PIE_LDFLAGS)
626endif
627
628ifeq (${ARCH},aarch64)
629BL1_CPPFLAGS += -DIMAGE_AT_EL3
630ifeq ($(BL2_AT_EL3),1)
631BL2_CPPFLAGS += -DIMAGE_AT_EL3
632else
633BL2_CPPFLAGS += -DIMAGE_AT_EL1
634endif
635BL2U_CPPFLAGS += -DIMAGE_AT_EL1
636BL31_CPPFLAGS += -DIMAGE_AT_EL3
637BL32_CPPFLAGS += -DIMAGE_AT_EL1
638endif
639
640# Include the CPU specific operations makefile, which provides default
641# values for all CPU errata workarounds and CPU specific optimisations.
642# This can be overridden by the platform.
643include lib/cpus/cpu-ops.mk
644
645ifeq (${ARCH},aarch32)
646NEED_BL32 := yes
647
648################################################################################
649# Build `AARCH32_SP` as BL32 image for AArch32
650################################################################################
651ifneq (${AARCH32_SP},none)
652# We expect to locate an sp.mk under the specified AARCH32_SP directory
653AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
654
655ifeq (${AARCH32_SP_MAKE},)
656  $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
657endif
658
659$(info Including ${AARCH32_SP_MAKE})
660include ${AARCH32_SP_MAKE}
661endif
662
663endif
664
665################################################################################
666# Include libc if not overridden
667################################################################################
668ifeq (${OVERRIDE_LIBC},0)
669include lib/libc/libc.mk
670endif
671
672################################################################################
673# Check incompatible options
674################################################################################
675
676ifdef EL3_PAYLOAD_BASE
677        ifdef PRELOADED_BL33_BASE
678                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
679                incompatible build options. EL3_PAYLOAD_BASE has priority.")
680        endif
681        ifneq (${GENERATE_COT},0)
682                $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.")
683        endif
684        ifneq (${TRUSTED_BOARD_BOOT},0)
685                $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.")
686        endif
687endif
688
689ifeq (${NEED_BL33},yes)
690        ifdef EL3_PAYLOAD_BASE
691                $(warning "BL33 image is not needed when option \
692                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
693        endif
694        ifdef PRELOADED_BL33_BASE
695                $(warning "BL33 image is not needed when option \
696                PRELOADED_BL33_BASE is used and won't be added to the FIP \
697                file.")
698        endif
699endif
700
701# When building for systems with hardware-assisted coherency, there's no need to
702# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
703ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
704$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
705endif
706
707#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1.
708ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1)
709$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled")
710endif
711
712# For RAS_EXTENSION, require that EAs are handled in EL3 first
713ifeq ($(RAS_EXTENSION),1)
714    ifneq ($(HANDLE_EA_EL3_FIRST),1)
715        $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1)
716    endif
717endif
718
719# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled
720ifeq ($(FAULT_INJECTION_SUPPORT),1)
721    ifneq ($(RAS_EXTENSION),1)
722        $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1)
723    endif
724endif
725
726# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1
727ifeq ($(DYN_DISABLE_AUTH), 1)
728    ifeq (${TRUSTED_BOARD_BOOT}, 0)
729        $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.")
730    endif
731endif
732
733ifneq ($(filter 1,${MEASURED_BOOT} ${TRUSTED_BOARD_BOOT}),)
734    CRYPTO_SUPPORT := 1
735else
736    CRYPTO_SUPPORT := 0
737endif
738
739# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled.
740ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1)
741$(error "SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled")
742endif
743
744# If pointer authentication is used in the firmware, make sure that all the
745# registers associated to it are also saved and restored.
746# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1.
747ifeq ($(ENABLE_PAUTH),1)
748    ifeq ($(CTX_INCLUDE_PAUTH_REGS),0)
749        $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1)
750    endif
751endif
752
753ifeq ($(CTX_INCLUDE_PAUTH_REGS),1)
754    ifneq (${ARCH},aarch64)
755        $(error CTX_INCLUDE_PAUTH_REGS requires AArch64)
756    endif
757endif
758
759ifeq ($(CTX_INCLUDE_MTE_REGS),1)
760    ifneq (${ARCH},aarch64)
761        $(error CTX_INCLUDE_MTE_REGS requires AArch64)
762    endif
763endif
764
765ifeq ($(PSA_FWU_SUPPORT),1)
766    $(info PSA_FWU_SUPPORT is an experimental feature)
767endif
768
769ifeq ($(FEATURE_DETECTION),1)
770    $(info FEATURE_DETECTION is an experimental feature)
771endif
772
773ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1)
774    ifeq (${ALLOW_RO_XLAT_TABLES}, 1)
775        $(error "ALLOW_RO_XLAT_TABLES requires translation tables library v2")
776    endif
777endif
778
779ifneq (${DECRYPTION_SUPPORT},none)
780    ifeq (${TRUSTED_BOARD_BOOT}, 0)
781        $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT to be set)
782    endif
783endif
784
785# Ensure that no Aarch64-only features are enabled in Aarch32 build
786ifeq (${ARCH},aarch32)
787
788    # SME/SVE only supported on AArch64
789    ifeq (${ENABLE_SME_FOR_NS},1)
790        $(error "ENABLE_SME_FOR_NS cannot be used with ARCH=aarch32")
791    endif
792    ifeq (${ENABLE_SVE_FOR_NS},1)
793        # Warning instead of error due to CI dependency on this
794        $(error "ENABLE_SVE_FOR_NS cannot be used with ARCH=aarch32")
795    endif
796
797    # BRBE is not supported in AArch32
798    ifeq (${ENABLE_BRBE_FOR_NS},1)
799        $(error "ENABLE_BRBE_FOR_NS cannot be used with ARCH=aarch32")
800    endif
801
802    # FEAT_RNG_TRAP is not supported in AArch32
803    ifeq (${ENABLE_FEAT_RNG_TRAP},1)
804        $(error "ENABLE_FEAT_RNG_TRAP cannot be used with ARCH=aarch32")
805    endif
806endif
807
808# Ensure ENABLE_RME is not used with SME
809ifeq (${ENABLE_RME},1)
810    ifeq (${ENABLE_SME_FOR_NS},1)
811        $(error "ENABLE_SME_FOR_NS cannot be used with ENABLE_RME")
812    endif
813endif
814
815# Secure SME/SVE requires the non-secure component as well
816ifeq (${ENABLE_SME_FOR_SWD},1)
817    ifeq (${ENABLE_SME_FOR_NS},0)
818        $(error "ENABLE_SME_FOR_SWD requires ENABLE_SME_FOR_NS")
819    endif
820endif
821ifeq (${ENABLE_SVE_FOR_SWD},1)
822    ifeq (${ENABLE_SVE_FOR_NS},0)
823        $(error "ENABLE_SVE_FOR_SWD requires ENABLE_SVE_FOR_NS")
824    endif
825endif
826
827# SVE and SME cannot be used with CTX_INCLUDE_FPREGS since secure manager does
828# its own context management including FPU registers.
829ifeq (${CTX_INCLUDE_FPREGS},1)
830    ifeq (${ENABLE_SME_FOR_NS},1)
831        $(error "ENABLE_SME_FOR_NS cannot be used with CTX_INCLUDE_FPREGS")
832    endif
833    ifeq (${ENABLE_SVE_FOR_NS},1)
834        # Warning instead of error due to CI dependency on this
835        $(warning "ENABLE_SVE_FOR_NS cannot be used with CTX_INCLUDE_FPREGS")
836        $(warning "Forced ENABLE_SVE_FOR_NS=0")
837        override ENABLE_SVE_FOR_NS	:= 0
838    endif
839endif
840
841ifeq ($(DRTM_SUPPORT),1)
842    $(info DRTM_SUPPORT is an experimental feature)
843endif
844
845ifeq (${ENABLE_RME},1)
846    ifneq (${SEPARATE_CODE_AND_RODATA},1)
847        $(error `ENABLE_RME=1` requires `SEPARATE_CODE_AND_RODATA=1`)
848    endif
849endif
850
851################################################################################
852# Process platform overrideable behaviour
853################################################################################
854
855ifdef BL1_SOURCES
856NEED_BL1 := yes
857endif
858
859ifdef BL2_SOURCES
860	NEED_BL2 := yes
861
862	# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and
863	# Certificate generation tools. This flag can be overridden by the platform.
864	ifdef EL3_PAYLOAD_BASE
865                # If booting an EL3 payload there is no need for a BL33 image
866                # in the FIP file.
867                NEED_BL33		:=	no
868        else
869                ifdef PRELOADED_BL33_BASE
870                        # If booting a BL33 preloaded image there is no need of
871                        # another one in the FIP file.
872                        NEED_BL33		:=	no
873                else
874                        NEED_BL33		?=	yes
875                endif
876        endif
877endif
878
879ifdef BL2U_SOURCES
880NEED_BL2U := yes
881endif
882
883# If SCP_BL2 is given, we always want FIP to include it.
884ifdef SCP_BL2
885        NEED_SCP_BL2		:=	yes
886endif
887
888# For AArch32, BL31 is not currently supported.
889ifneq (${ARCH},aarch32)
890    ifdef BL31_SOURCES
891        # When booting an EL3 payload, there is no need to compile the BL31 image nor
892        # put it in the FIP.
893        ifndef EL3_PAYLOAD_BASE
894            NEED_BL31 := yes
895        endif
896    endif
897endif
898
899# Process TBB related flags
900ifneq (${GENERATE_COT},0)
901        # Common cert_create options
902        ifneq (${CREATE_KEYS},0)
903                $(eval CRT_ARGS += -n)
904                $(eval FWU_CRT_ARGS += -n)
905                ifneq (${SAVE_KEYS},0)
906                        $(eval CRT_ARGS += -k)
907                        $(eval FWU_CRT_ARGS += -k)
908                endif
909        endif
910        # Include TBBR makefile (unless the platform indicates otherwise)
911        ifeq (${INCLUDE_TBBR_MK},1)
912                include make_helpers/tbbr/tbbr_tools.mk
913        endif
914endif
915
916ifneq (${FIP_ALIGN},0)
917FIP_ARGS += --align ${FIP_ALIGN}
918endif
919
920ifdef FDT_SOURCES
921NEED_FDT := yes
922endif
923
924################################################################################
925# Include libraries' Makefile that are used in all BL
926################################################################################
927
928include lib/stack_protector/stack_protector.mk
929
930################################################################################
931# Auxiliary tools (fiptool, cert_create, etc)
932################################################################################
933
934# Variables for use with Certificate Generation Tool
935CRTTOOLPATH		?=	tools/cert_create
936CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
937
938# Variables for use with Firmware Encryption Tool
939ENCTOOLPATH		?=	tools/encrypt_fw
940ENCTOOL			?=	${ENCTOOLPATH}/encrypt_fw${BIN_EXT}
941
942# Variables for use with Firmware Image Package
943FIPTOOLPATH		?=	tools/fiptool
944FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
945
946# Variables for use with sptool
947SPTOOLPATH		?=	tools/sptool
948SPTOOL			?=	${SPTOOLPATH}/sptool.py
949SP_MK_GEN		?=	${SPTOOLPATH}/sp_mk_generator.py
950
951# Variables for use with ROMLIB
952ROMLIBPATH		?=	lib/romlib
953
954# Variable for use with Python
955PYTHON			?=	python3
956
957# Variables for use with PRINT_MEMORY_MAP
958PRINT_MEMORY_MAP_PATH		?=	tools/memory
959PRINT_MEMORY_MAP		?=	${PRINT_MEMORY_MAP_PATH}/print_memory_map.py
960
961# Variables for use with documentation build using Sphinx tool
962DOCS_PATH		?=	docs
963
964# Defination of SIMICS flag
965SIMICS_BUILD	?=	0
966
967################################################################################
968# Include BL specific makefiles
969################################################################################
970
971ifeq (${NEED_BL1},yes)
972include bl1/bl1.mk
973endif
974
975ifeq (${NEED_BL2},yes)
976include bl2/bl2.mk
977endif
978
979ifeq (${NEED_BL2U},yes)
980include bl2u/bl2u.mk
981endif
982
983ifeq (${NEED_BL31},yes)
984include bl31/bl31.mk
985endif
986
987################################################################################
988# Build options checks
989################################################################################
990
991$(eval $(call assert_booleans,\
992    $(sort \
993        ALLOW_RO_XLAT_TABLES \
994        BL2_ENABLE_SP_LOAD \
995        COLD_BOOT_SINGLE_CPU \
996        CREATE_KEYS \
997        CTX_INCLUDE_AARCH32_REGS \
998        CTX_INCLUDE_FPREGS \
999        CTX_INCLUDE_EL2_REGS \
1000        DEBUG \
1001        DISABLE_MTPMU \
1002        DYN_DISABLE_AUTH \
1003        EL3_EXCEPTION_HANDLING \
1004        ENABLE_AMU \
1005        ENABLE_AMU_AUXILIARY_COUNTERS \
1006        ENABLE_AMU_FCONF \
1007        AMU_RESTRICT_COUNTERS \
1008        ENABLE_ASSERTIONS \
1009        ENABLE_PIE \
1010        ENABLE_PMF \
1011        ENABLE_PSCI_STAT \
1012        ENABLE_RUNTIME_INSTRUMENTATION \
1013        ENABLE_SME_FOR_NS \
1014        ENABLE_SME_FOR_SWD \
1015        ENABLE_SPE_FOR_LOWER_ELS \
1016        ENABLE_SVE_FOR_NS \
1017        ENABLE_SVE_FOR_SWD \
1018        ERROR_DEPRECATED \
1019        FAULT_INJECTION_SUPPORT \
1020        GENERATE_COT \
1021        GICV2_G0_FOR_EL3 \
1022        HANDLE_EA_EL3_FIRST \
1023        HW_ASSISTED_COHERENCY \
1024        INVERTED_MEMMAP \
1025        MEASURED_BOOT \
1026        DRTM_SUPPORT \
1027        NS_TIMER_SWITCH \
1028        OVERRIDE_LIBC \
1029        PL011_GENERIC_UART \
1030        PLAT_RSS_NOT_SUPPORTED \
1031        PROGRAMMABLE_RESET_ADDRESS \
1032        PSCI_EXTENDED_STATE_ID \
1033        RESET_TO_BL31 \
1034        RESET_TO_BL31_WITH_PARAMS \
1035        SAVE_KEYS \
1036        SEPARATE_CODE_AND_RODATA \
1037        SEPARATE_BL2_NOLOAD_REGION \
1038        SEPARATE_NOBITS_REGION \
1039        SPIN_ON_BL1_EXIT \
1040        SPM_MM \
1041        SPMC_AT_EL3 \
1042        SPMD_SPM_AT_SEL2 \
1043        TRUSTED_BOARD_BOOT \
1044        CRYPTO_SUPPORT \
1045        USE_COHERENT_MEM \
1046        USE_DEBUGFS \
1047        ARM_IO_IN_DTB \
1048        SDEI_IN_FCONF \
1049        SEC_INT_DESC_IN_FCONF \
1050        USE_ROMLIB \
1051        USE_TBBR_DEFS \
1052        WARMBOOT_ENABLE_DCACHE_EARLY \
1053        BL2_AT_EL3 \
1054        BL2_IN_XIP_MEM \
1055        BL2_INV_DCACHE \
1056        USE_SPINLOCK_CAS \
1057        ENCRYPT_BL31 \
1058        ENCRYPT_BL32 \
1059        ERRATA_SPECULATIVE_AT \
1060        RAS_TRAP_NS_ERR_REC_ACCESS \
1061        COT_DESC_IN_DTB \
1062        USE_SP804_TIMER \
1063        PSA_FWU_SUPPORT \
1064        ENABLE_SYS_REG_TRACE_FOR_NS \
1065        ENABLE_MPMM \
1066        ENABLE_MPMM_FCONF \
1067        SIMICS_BUILD \
1068        FEATURE_DETECTION \
1069)))
1070
1071$(eval $(call assert_numerics,\
1072    $(sort \
1073        ARM_ARCH_MAJOR \
1074        ARM_ARCH_MINOR \
1075        BRANCH_PROTECTION \
1076        CTX_INCLUDE_PAUTH_REGS \
1077        CTX_INCLUDE_MTE_REGS \
1078        CTX_INCLUDE_NEVE_REGS \
1079        ENABLE_BRBE_FOR_NS \
1080        ENABLE_TRBE_FOR_NS \
1081        ENABLE_BTI \
1082        ENABLE_PAUTH \
1083        ENABLE_FEAT_AMUv1 \
1084        ENABLE_FEAT_AMUv1p1 \
1085        ENABLE_FEAT_CSV2_2 \
1086        ENABLE_FEAT_DIT \
1087        ENABLE_FEAT_ECV \
1088        ENABLE_FEAT_FGT \
1089        ENABLE_FEAT_HCX \
1090        ENABLE_FEAT_PAN \
1091        ENABLE_FEAT_RNG \
1092        ENABLE_FEAT_RNG_TRAP \
1093        ENABLE_FEAT_SB \
1094        ENABLE_FEAT_SEL2 \
1095        ENABLE_FEAT_VHE \
1096        ENABLE_MPAM_FOR_LOWER_ELS \
1097        ENABLE_RME \
1098        ENABLE_TRF_FOR_NS \
1099        FW_ENC_STATUS \
1100        NR_OF_FW_BANKS \
1101        NR_OF_IMAGES_IN_FW_BANK \
1102        RAS_EXTENSION \
1103        TWED_DELAY \
1104        ENABLE_FEAT_TWED \
1105        SVE_VECTOR_LEN \
1106)))
1107
1108ifdef KEY_SIZE
1109        $(eval $(call assert_numeric,KEY_SIZE))
1110endif
1111
1112ifeq ($(filter $(SANITIZE_UB), on off trap),)
1113        $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap")
1114endif
1115
1116################################################################################
1117# Add definitions to the cpp preprocessor based on the current build options.
1118# This is done after including the platform specific makefile to allow the
1119# platform to overwrite the default options
1120################################################################################
1121
1122$(eval $(call add_defines,\
1123    $(sort \
1124        ALLOW_RO_XLAT_TABLES \
1125        ARM_ARCH_MAJOR \
1126        ARM_ARCH_MINOR \
1127        BL2_ENABLE_SP_LOAD \
1128        COLD_BOOT_SINGLE_CPU \
1129        CTX_INCLUDE_AARCH32_REGS \
1130        CTX_INCLUDE_FPREGS \
1131        CTX_INCLUDE_PAUTH_REGS \
1132        EL3_EXCEPTION_HANDLING \
1133        CTX_INCLUDE_MTE_REGS \
1134        CTX_INCLUDE_EL2_REGS \
1135        CTX_INCLUDE_NEVE_REGS \
1136        DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \
1137        DISABLE_MTPMU \
1138        ENABLE_AMU \
1139        ENABLE_AMU_AUXILIARY_COUNTERS \
1140        ENABLE_AMU_FCONF \
1141        AMU_RESTRICT_COUNTERS \
1142        ENABLE_ASSERTIONS \
1143        ENABLE_BTI \
1144        ENABLE_MPAM_FOR_LOWER_ELS \
1145        ENABLE_PAUTH \
1146        ENABLE_PIE \
1147        ENABLE_PMF \
1148        ENABLE_PSCI_STAT \
1149        ENABLE_RME \
1150        ENABLE_RUNTIME_INSTRUMENTATION \
1151        ENABLE_SME_FOR_NS \
1152        ENABLE_SME_FOR_SWD \
1153        ENABLE_SPE_FOR_LOWER_ELS \
1154        ENABLE_SVE_FOR_NS \
1155        ENABLE_SVE_FOR_SWD \
1156        ENCRYPT_BL31 \
1157        ENCRYPT_BL32 \
1158        ERROR_DEPRECATED \
1159        FAULT_INJECTION_SUPPORT \
1160        GICV2_G0_FOR_EL3 \
1161        HANDLE_EA_EL3_FIRST \
1162        HW_ASSISTED_COHERENCY \
1163        LOG_LEVEL \
1164        MEASURED_BOOT \
1165        DRTM_SUPPORT \
1166        NS_TIMER_SWITCH \
1167        PL011_GENERIC_UART \
1168        PLAT_${PLAT} \
1169        PLAT_RSS_NOT_SUPPORTED \
1170        PROGRAMMABLE_RESET_ADDRESS \
1171        PSCI_EXTENDED_STATE_ID \
1172        RAS_EXTENSION \
1173        RESET_TO_BL31 \
1174        RESET_TO_BL31_WITH_PARAMS \
1175        SEPARATE_CODE_AND_RODATA \
1176        SEPARATE_BL2_NOLOAD_REGION \
1177        SEPARATE_NOBITS_REGION \
1178        RECLAIM_INIT_CODE \
1179        SPD_${SPD} \
1180        SPIN_ON_BL1_EXIT \
1181        SPM_MM \
1182        SPMC_AT_EL3 \
1183        SPMD_SPM_AT_SEL2 \
1184        TRUSTED_BOARD_BOOT \
1185        CRYPTO_SUPPORT \
1186        TRNG_SUPPORT \
1187        USE_COHERENT_MEM \
1188        USE_DEBUGFS \
1189        ARM_IO_IN_DTB \
1190        SDEI_IN_FCONF \
1191        SEC_INT_DESC_IN_FCONF \
1192        USE_ROMLIB \
1193        USE_TBBR_DEFS \
1194        WARMBOOT_ENABLE_DCACHE_EARLY \
1195        BL2_AT_EL3 \
1196        BL2_IN_XIP_MEM \
1197        BL2_INV_DCACHE \
1198        USE_SPINLOCK_CAS \
1199        ERRATA_SPECULATIVE_AT \
1200        RAS_TRAP_NS_ERR_REC_ACCESS \
1201        COT_DESC_IN_DTB \
1202        USE_SP804_TIMER \
1203        ENABLE_FEAT_RNG \
1204        ENABLE_FEAT_RNG_TRAP \
1205        ENABLE_FEAT_SB \
1206        ENABLE_FEAT_DIT \
1207        NR_OF_FW_BANKS \
1208        NR_OF_IMAGES_IN_FW_BANK \
1209        PSA_FWU_SUPPORT \
1210        ENABLE_BRBE_FOR_NS \
1211        ENABLE_TRBE_FOR_NS \
1212        ENABLE_SYS_REG_TRACE_FOR_NS \
1213        ENABLE_TRF_FOR_NS \
1214        ENABLE_FEAT_HCX \
1215        ENABLE_MPMM \
1216        ENABLE_MPMM_FCONF \
1217        ENABLE_FEAT_FGT \
1218        ENABLE_FEAT_AMUv1 \
1219        ENABLE_FEAT_ECV \
1220        SIMICS_BUILD \
1221        ENABLE_FEAT_AMUv1p1 \
1222        ENABLE_FEAT_SEL2 \
1223        ENABLE_FEAT_VHE \
1224        ENABLE_FEAT_CSV2_2 \
1225        ENABLE_FEAT_PAN \
1226        FEATURE_DETECTION \
1227        TWED_DELAY \
1228        ENABLE_FEAT_TWED \
1229)))
1230
1231ifeq (${SANITIZE_UB},trap)
1232        $(eval $(call add_define,MONITOR_TRAPS))
1233endif
1234
1235# Define the EL3_PAYLOAD_BASE flag only if it is provided.
1236ifdef EL3_PAYLOAD_BASE
1237        $(eval $(call add_define,EL3_PAYLOAD_BASE))
1238else
1239        # Define the PRELOADED_BL33_BASE flag only if it is provided and
1240        # EL3_PAYLOAD_BASE is not defined, as it has priority.
1241        ifdef PRELOADED_BL33_BASE
1242                $(eval $(call add_define,PRELOADED_BL33_BASE))
1243        endif
1244endif
1245
1246# Define the DYN_DISABLE_AUTH flag only if set.
1247ifeq (${DYN_DISABLE_AUTH},1)
1248$(eval $(call add_define,DYN_DISABLE_AUTH))
1249endif
1250
1251ifneq ($(findstring armlink,$(notdir $(LD))),)
1252$(eval $(call add_define,USE_ARM_LINK))
1253endif
1254
1255# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined
1256ifeq (${SPD},spmd)
1257ifdef SP_LAYOUT_FILE
1258        -include $(BUILD_PLAT)/sp_gen.mk
1259        FIP_DEPS += sp
1260        CRT_DEPS += sp
1261        NEED_SP_PKG := yes
1262else
1263        ifeq (${SPMD_SPM_AT_SEL2},1)
1264            $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE")
1265        endif
1266endif
1267endif
1268
1269################################################################################
1270# Build targets
1271################################################################################
1272
1273.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc enctool
1274.SUFFIXES:
1275
1276all: msg_start
1277
1278msg_start:
1279	@echo "Building ${PLAT}"
1280
1281ifeq (${ERROR_DEPRECATED},0)
1282# Check if deprecated declarations and cpp warnings should be treated as error or not.
1283ifneq ($(findstring clang,$(notdir $(CC))),)
1284    CPPFLAGS		+= 	-Wno-error=deprecated-declarations
1285else
1286    CPPFLAGS		+= 	-Wno-error=deprecated-declarations -Wno-error=cpp
1287endif
1288endif # !ERROR_DEPRECATED
1289
1290$(eval $(call MAKE_LIB_DIRS))
1291$(eval $(call MAKE_LIB,c))
1292
1293# Expand build macros for the different images
1294ifeq (${NEED_BL1},yes)
1295BL1_SOURCES := $(sort ${BL1_SOURCES})
1296
1297$(eval $(call MAKE_BL,bl1))
1298endif
1299
1300ifeq (${NEED_BL2},yes)
1301ifeq (${BL2_AT_EL3}, 0)
1302FIP_BL2_ARGS := tb-fw
1303endif
1304
1305BL2_SOURCES := $(sort ${BL2_SOURCES})
1306
1307$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
1308	$(eval $(call MAKE_BL,bl2,${FIP_BL2_ARGS})))
1309endif
1310
1311ifeq (${NEED_SCP_BL2},yes)
1312$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw))
1313endif
1314
1315ifeq (${NEED_BL31},yes)
1316BL31_SOURCES += ${SPD_SOURCES}
1317# Sort BL31 source files to remove duplicates
1318BL31_SOURCES := $(sort ${BL31_SOURCES})
1319ifneq (${DECRYPTION_SUPPORT},none)
1320$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\
1321	$(eval $(call MAKE_BL,bl31,soc-fw,,$(ENCRYPT_BL31))))
1322else
1323$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
1324	$(eval $(call MAKE_BL,bl31,soc-fw)))
1325endif
1326endif
1327
1328# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
1329# build system will call TOOL_ADD_IMG to print a warning message and abort the
1330# process. Note that the dependency on BL32 applies to the FIP only.
1331ifeq (${NEED_BL32},yes)
1332# Sort BL32 source files to remove duplicates
1333BL32_SOURCES := $(sort ${BL32_SOURCES})
1334BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
1335
1336ifneq (${DECRYPTION_SUPPORT},none)
1337$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw,,$(ENCRYPT_BL32))),\
1338	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32))))
1339else
1340$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw)),\
1341	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
1342endif
1343endif
1344
1345# If RMM image is needed but RMM is not defined, Test Realm Payload (TRP)
1346# needs to be built from RMM_SOURCES.
1347ifeq (${NEED_RMM},yes)
1348# Sort RMM source files to remove duplicates
1349RMM_SOURCES := $(sort ${RMM_SOURCES})
1350BUILD_RMM := $(if $(RMM),,$(if $(RMM_SOURCES),1))
1351
1352$(if ${BUILD_RMM}, $(eval $(call MAKE_BL,rmm,rmm-fw)),\
1353         $(eval $(call TOOL_ADD_IMG,rmm,--rmm-fw)))
1354endif
1355
1356# Add the BL33 image if required by the platform
1357ifeq (${NEED_BL33},yes)
1358$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
1359endif
1360
1361ifeq (${NEED_BL2U},yes)
1362$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\
1363	$(eval $(call MAKE_BL,bl2u,ap-fwu-cfg,FWU_)))
1364endif
1365
1366# Expand build macros for the different images
1367ifeq (${NEED_FDT},yes)
1368    $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
1369endif
1370
1371# Add Secure Partition packages
1372ifeq (${NEED_SP_PKG},yes)
1373$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT}
1374	${Q}${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT}
1375sp: $(DTBS) $(BUILD_PLAT)/sp_gen.mk $(SP_PKGS)
1376	@${ECHO_BLANK_LINE}
1377	@echo "Built SP Images successfully"
1378	@${ECHO_BLANK_LINE}
1379endif
1380
1381locate-checkpatch:
1382ifndef CHECKPATCH
1383	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1384else
1385ifeq (,$(wildcard ${CHECKPATCH}))
1386	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
1387endif
1388endif
1389
1390clean:
1391	@echo "  CLEAN"
1392	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
1393ifdef UNIX_MK
1394	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1395else
1396# Clear the MAKEFLAGS as we do not want
1397# to pass the gnumake flags to nmake.
1398	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) clean
1399endif
1400	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
1401	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean
1402	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1403
1404realclean distclean:
1405	@echo "  REALCLEAN"
1406	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
1407	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
1408ifdef UNIX_MK
1409	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
1410else
1411# Clear the MAKEFLAGS as we do not want
1412# to pass the gnumake flags to nmake.
1413	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) realclean
1414endif
1415	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} realclean
1416	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean
1417	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
1418
1419checkcodebase:		locate-checkpatch
1420	@echo "  CHECKING STYLE"
1421	@if test -d .git ; then						\
1422		git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' |	\
1423		while read GIT_FILE ;					\
1424		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
1425		done ;							\
1426	else								\
1427		 find . -type f -not -iwholename "*.git*"		\
1428		 -not -iwholename "*build*"				\
1429		 -not -iwholename "*libfdt*"				\
1430		 -not -iwholename "*libc*"				\
1431		 -not -iwholename "*docs*"				\
1432		 -not -iwholename "*.rst"				\
1433		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
1434	fi
1435
1436checkpatch:		locate-checkpatch
1437	@echo "  CHECKING STYLE"
1438	@if test -n "${CHECKPATCH_OPTS}"; then				\
1439		echo "    with ${CHECKPATCH_OPTS} option(s)";		\
1440	fi
1441	${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT});	\
1442	for commit in `git rev-list --no-merges $$COMMON_COMMIT..HEAD`;	\
1443	do								\
1444		printf "\n[*] Checking style of '$$commit'\n\n";	\
1445		git log --format=email "$$commit~..$$commit"		\
1446			-- ${CHECK_PATHS} |				\
1447			${CHECKPATCH} ${CHECKPATCH_OPTS} - || true;	\
1448		git diff --format=email "$$commit~..$$commit"		\
1449			-- ${CHECK_PATHS} |				\
1450			${CHECKPATCH}  ${CHECKPATCH_OPTS} - || true;	\
1451	done
1452
1453certtool: ${CRTTOOL}
1454
1455${CRTTOOL}: FORCE
1456	${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} OPENSSL_DIR=${OPENSSL_DIR} CRTTOOL=${CRTTOOL} --no-print-directory -C ${CRTTOOLPATH}
1457	@${ECHO_BLANK_LINE}
1458	@echo "Built $@ successfully"
1459	@${ECHO_BLANK_LINE}
1460
1461ifneq (${GENERATE_COT},0)
1462certificates: ${CRT_DEPS} ${CRTTOOL}
1463	${Q}${CRTTOOL} ${CRT_ARGS}
1464	@${ECHO_BLANK_LINE}
1465	@echo "Built $@ successfully"
1466	@echo "Certificates can be found in ${BUILD_PLAT}"
1467	@${ECHO_BLANK_LINE}
1468endif
1469
1470${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
1471	$(eval ${CHECK_FIP_CMD})
1472	${Q}${FIPTOOL} create ${FIP_ARGS} $@
1473	${Q}${FIPTOOL} info $@
1474	@${ECHO_BLANK_LINE}
1475	@echo "Built $@ successfully"
1476	@${ECHO_BLANK_LINE}
1477
1478ifneq (${GENERATE_COT},0)
1479fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
1480	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
1481	@${ECHO_BLANK_LINE}
1482	@echo "Built $@ successfully"
1483	@echo "FWU certificates can be found in ${BUILD_PLAT}"
1484	@${ECHO_BLANK_LINE}
1485endif
1486
1487${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
1488	$(eval ${CHECK_FWU_FIP_CMD})
1489	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
1490	${Q}${FIPTOOL} info $@
1491	@${ECHO_BLANK_LINE}
1492	@echo "Built $@ successfully"
1493	@${ECHO_BLANK_LINE}
1494
1495fiptool: ${FIPTOOL}
1496fip: ${BUILD_PLAT}/${FIP_NAME}
1497fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
1498
1499${FIPTOOL}: FORCE
1500ifdef UNIX_MK
1501	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} OPENSSL_DIR=${OPENSSL_DIR} --no-print-directory -C ${FIPTOOLPATH}
1502else
1503# Clear the MAKEFLAGS as we do not want
1504# to pass the gnumake flags to nmake.
1505	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL))
1506endif
1507
1508romlib.bin: libraries FORCE
1509	${Q}${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
1510
1511# Call print_memory_map tool
1512memmap: all
1513	${Q}${PYTHON} ${PRINT_MEMORY_MAP} ${BUILD_PLAT} ${INVERTED_MEMMAP}
1514
1515doc:
1516	@echo "  BUILD DOCUMENTATION"
1517	${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html
1518
1519enctool: ${ENCTOOL}
1520
1521${ENCTOOL}: FORCE
1522	${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} --no-print-directory -C ${ENCTOOLPATH}
1523	@${ECHO_BLANK_LINE}
1524	@echo "Built $@ successfully"
1525	@${ECHO_BLANK_LINE}
1526
1527cscope:
1528	@echo "  CSCOPE"
1529	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
1530	${Q}cscope -b -q -k
1531
1532help:
1533	@echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]"
1534	@echo ""
1535	@echo "PLAT is used to specify which platform you wish to build."
1536	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
1537	@echo ""
1538	@echo "platform = ${PLATFORM_LIST}"
1539	@echo ""
1540	@echo "Please refer to the User Guide for a list of all supported options."
1541	@echo "Note that the build system doesn't track dependencies for build "
1542	@echo "options. Therefore, if any of the build options are changed "
1543	@echo "from a previous build, a clean build must be performed."
1544	@echo ""
1545	@echo "Supported Targets:"
1546	@echo "  all            Build all individual bootloader binaries"
1547	@echo "  bl1            Build the BL1 binary"
1548	@echo "  bl2            Build the BL2 binary"
1549	@echo "  bl2u           Build the BL2U binary"
1550	@echo "  bl31           Build the BL31 binary"
1551	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
1552	@echo "                 this builds secure payload specified by AARCH32_SP"
1553	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
1554	@echo "  fip            Build the Firmware Image Package (FIP)"
1555	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
1556	@echo "  checkcodebase  Check the coding style of the entire source tree"
1557	@echo "  checkpatch     Check the coding style on changes in the current"
1558	@echo "                 branch against BASE_COMMIT (default origin/master)"
1559	@echo "  clean          Clean the build for the selected platform"
1560	@echo "  cscope         Generate cscope index"
1561	@echo "  distclean      Remove all build artifacts for all platforms"
1562	@echo "  certtool       Build the Certificate generation tool"
1563	@echo "  enctool        Build the Firmware encryption tool"
1564	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
1565	@echo "  sp             Build the Secure Partition Packages"
1566	@echo "  sptool         Build the Secure Partition Package creation tool"
1567	@echo "  dtbs           Build the Device Tree Blobs (if required for the platform)"
1568	@echo "  memmap         Print the memory map of the built binaries"
1569	@echo "  doc            Build html based documentation using Sphinx tool"
1570	@echo ""
1571	@echo "Note: most build targets require PLAT to be set to a specific platform."
1572	@echo ""
1573	@echo "example: build all targets for the FVP platform:"
1574	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
1575
1576.PHONY: FORCE
1577FORCE:;
1578