xref: /rk3399_ARM-atf/Makefile (revision c2ad38ce4fe754c750f3db480f732ac280f508e4) 
1#
2# Copyright (c) 2013-2019, 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			:= 0
12
13# Default goal is build all images
14.DEFAULT_GOAL			:= all
15
16# Avoid any implicit propagation of command line variable definitions to
17# sub-Makefiles, like CFLAGS that we reserved for the firmware images'
18# usage. Other command line options like "-s" are still propagated as usual.
19MAKEOVERRIDES =
20
21MAKE_HELPERS_DIRECTORY := make_helpers/
22include ${MAKE_HELPERS_DIRECTORY}build_macros.mk
23include ${MAKE_HELPERS_DIRECTORY}build_env.mk
24
25################################################################################
26# Default values for build configurations, and their dependencies
27################################################################################
28
29include ${MAKE_HELPERS_DIRECTORY}defaults.mk
30
31# Assertions enabled for DEBUG builds by default
32ENABLE_ASSERTIONS		:= ${DEBUG}
33ENABLE_PMF			:= ${ENABLE_RUNTIME_INSTRUMENTATION}
34PLAT				:= ${DEFAULT_PLAT}
35
36################################################################################
37# Checkpatch script options
38################################################################################
39
40CHECKCODE_ARGS		:=	--no-patch
41# Do not check the coding style on imported library files or documentation files
42INC_LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
43					include/lib/libfdt		\
44					include/lib/libc,		\
45					$(wildcard include/lib/*)))
46INC_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
47					include/lib,			\
48					$(wildcard include/*)))
49LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
50					lib/compiler-rt			\
51					lib/libfdt%			\
52					lib/libc,			\
53					$(wildcard lib/*)))
54ROOT_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
55					lib				\
56					include				\
57					docs				\
58					%.md,				\
59					$(wildcard *)))
60CHECK_PATHS		:=	${ROOT_DIRS_TO_CHECK}			\
61				${INC_DIRS_TO_CHECK}			\
62				${INC_LIB_DIRS_TO_CHECK}		\
63				${LIB_DIRS_TO_CHECK}
64
65
66################################################################################
67# Process build options
68################################################################################
69
70# Verbose flag
71ifeq (${V},0)
72        Q:=@
73        ECHO:=@echo
74        CHECKCODE_ARGS	+=	--no-summary --terse
75else
76        Q:=
77        ECHO:=$(ECHO_QUIET)
78endif
79
80ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),)
81        Q:=@
82        ECHO:=$(ECHO_QUIET)
83endif
84
85export Q ECHO
86
87# Process Debug flag
88$(eval $(call add_define,DEBUG))
89ifneq (${DEBUG}, 0)
90        BUILD_TYPE	:=	debug
91        TF_CFLAGS	+= 	-g
92
93        ifneq ($(findstring clang,$(notdir $(CC))),)
94             ASFLAGS		+= 	-g
95        else
96             ASFLAGS		+= 	-g -Wa,--gdwarf-2
97        endif
98
99        # Use LOG_LEVEL_INFO by default for debug builds
100        LOG_LEVEL	:=	40
101else
102        BUILD_TYPE	:=	release
103        # Use LOG_LEVEL_NOTICE by default for release builds
104        LOG_LEVEL	:=	20
105endif
106
107# Default build string (git branch and commit)
108ifeq (${BUILD_STRING},)
109        BUILD_STRING	:=	$(shell git describe --always --dirty --tags 2> /dev/null)
110endif
111VERSION_STRING		:=	v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING}
112
113# The cert_create tool cannot generate certificates individually, so we use the
114# target 'certificates' to create them all
115ifneq (${GENERATE_COT},0)
116        FIP_DEPS += certificates
117        FWU_FIP_DEPS += fwu_certificates
118endif
119
120
121################################################################################
122# Toolchain
123################################################################################
124
125HOSTCC			:=	gcc
126export HOSTCC
127
128CC			:=	${CROSS_COMPILE}gcc
129CPP			:=	${CROSS_COMPILE}cpp
130AS			:=	${CROSS_COMPILE}gcc
131AR			:=	${CROSS_COMPILE}ar
132LINKER			:=	${CROSS_COMPILE}ld
133OC			:=	${CROSS_COMPILE}objcopy
134OD			:=	${CROSS_COMPILE}objdump
135NM			:=	${CROSS_COMPILE}nm
136PP			:=	${CROSS_COMPILE}gcc -E
137DTC			:=	dtc
138
139# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH).
140ifneq ($(strip $(wildcard ${LD}.bfd) \
141	$(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),)
142LINKER			:=	${LINKER}.bfd
143endif
144
145ifeq (${ARM_ARCH_MAJOR},7)
146target32-directive	= 	-target arm-none-eabi
147# Will set march32-directive from platform configuration
148else
149target32-directive	= 	-target armv8a-none-eabi
150march32-directive	= 	-march=armv8-a
151endif
152
153ifneq ($(findstring armclang,$(notdir $(CC))),)
154TF_CFLAGS_aarch32	=	-target arm-arm-none-eabi $(march32-directive)
155TF_CFLAGS_aarch64	=	-target aarch64-arm-none-eabi -march=armv8-a
156LD			=	$(LINKER)
157AS			=	$(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH))
158CPP			=	$(CC) -E $(TF_CFLAGS_$(ARCH))
159PP			=	$(CC) -E $(TF_CFLAGS_$(ARCH))
160else ifneq ($(findstring clang,$(notdir $(CC))),)
161TF_CFLAGS_aarch32	=	$(target32-directive) $(march32-directive)
162TF_CFLAGS_aarch64	=	-target aarch64-elf
163LD			=	$(LINKER)
164AS			=	$(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH))
165CPP			=	$(CC) -E
166PP			=	$(CC) -E
167else
168TF_CFLAGS_aarch32	=	$(march32-directive)
169TF_CFLAGS_aarch64	=	-march=armv8-a
170LD			=	$(LINKER)
171endif
172
173ifeq (${AARCH32_INSTRUCTION_SET},A32)
174TF_CFLAGS_aarch32	+=	-marm
175else ifeq (${AARCH32_INSTRUCTION_SET},T32)
176TF_CFLAGS_aarch32	+=	-mthumb
177else
178$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET})
179endif
180
181TF_CFLAGS_aarch32	+=	-mno-unaligned-access
182TF_CFLAGS_aarch64	+=	-mgeneral-regs-only -mstrict-align
183
184ASFLAGS_aarch32		=	$(march32-directive)
185ASFLAGS_aarch64		=	-march=armv8-a
186
187WARNING1 := -Wextra
188WARNING1 += -Wunused -Wno-unused-parameter
189WARNING1 += -Wmissing-declarations
190WARNING1 += -Wmissing-format-attribute
191WARNING1 += -Wmissing-prototypes
192WARNING1 += -Wold-style-definition
193WARNING1 += -Wunused-but-set-variable
194WARNING1 += -Wunused-const-variable
195
196WARNING2 := -Waggregate-return
197WARNING2 += -Wcast-align
198WARNING2 += -Wdisabled-optimization
199WARNING2 += -Wnested-externs
200WARNING2 += -Wshadow
201WARNING2 += -Wlogical-op
202WARNING2 += -Wmissing-field-initializers
203WARNING2 += -Wsign-compare
204WARNING2 += -Wmaybe-uninitialized
205
206WARNING3 := -Wbad-function-cast
207WARNING3 += -Wcast-qual
208WARNING3 += -Wconversion
209WARNING3 += -Wpacked
210WARNING3 += -Wpadded
211WARNING3 += -Wpointer-arith
212WARNING3 += -Wredundant-decls
213WARNING3 += -Wswitch-default
214WARNING3 += -Wpacked-bitfield-compat
215WARNING3 += -Wvla
216
217ifeq (${W},1)
218WARNINGS := $(WARNING1)
219else ifeq (${W},2)
220WARNINGS := $(WARNING1) $(WARNING2)
221else ifeq (${W},3)
222WARNINGS := $(WARNING1) $(WARNING2) $(WARNING3)
223endif
224
225ifneq (${E},0)
226ERRORS := -Werror
227endif
228
229CPPFLAGS		=	${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc		\
230				-Wmissing-include-dirs $(ERRORS) $(WARNINGS)
231ASFLAGS			+=	$(CPPFLAGS) $(ASFLAGS_$(ARCH))			\
232				-D__ASSEMBLY__ -ffreestanding 			\
233				-Wa,--fatal-warnings
234TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
235				-ffreestanding -fno-builtin -Wall -std=gnu99	\
236				-Os -ffunction-sections -fdata-sections
237
238GCC_V_OUTPUT		:=	$(shell $(CC) -v 2>&1)
239
240ifneq ($(findstring armlink,$(notdir $(LD))),)
241TF_LDFLAGS		+=	--diag_error=warning --lto_level=O1
242TF_LDFLAGS		+=	--remove --info=unused,unusedsymbols
243else
244TF_LDFLAGS		+=	--fatal-warnings -O1
245TF_LDFLAGS		+=	--gc-sections
246endif
247TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
248
249DTC_FLAGS		+=	-I dts -O dtb
250DTC_CPPFLAGS		+=	-nostdinc -Iinclude -undef -x assembler-with-cpp
251
252################################################################################
253# Common sources and include directories
254################################################################################
255include lib/compiler-rt/compiler-rt.mk
256
257BL_COMMON_SOURCES	+=	common/bl_common.c			\
258				common/tf_log.c				\
259				common/${ARCH}/debug.S			\
260				drivers/console/multi_console.c		\
261				lib/${ARCH}/cache_helpers.S		\
262				lib/${ARCH}/misc_helpers.S		\
263				plat/common/plat_bl_common.c		\
264				plat/common/plat_log_common.c		\
265				plat/common/${ARCH}/plat_common.c	\
266				plat/common/${ARCH}/platform_helpers.S	\
267				${COMPILER_RT_SRCS}
268
269ifeq ($(notdir $(CC)),armclang)
270BL_COMMON_SOURCES	+=	lib/${ARCH}/armclang_printf.S
271endif
272
273INCLUDES		+=	-Iinclude				\
274				-Iinclude/arch/${ARCH}			\
275				-Iinclude/lib/cpus/${ARCH}		\
276				-Iinclude/lib/el3_runtime/${ARCH}	\
277				${PLAT_INCLUDES}			\
278				${SPD_INCLUDES}
279
280ifeq (${ERROR_DEPRECATED},0)
281INCLUDES		+=	-Iinclude/bl1				\
282				-Iinclude/bl2				\
283				-Iinclude/bl2u				\
284				-Iinclude/bl31				\
285				-Iinclude/drivers			\
286				-Iinclude/drivers/arm			\
287				-Iinclude/drivers/auth			\
288				-Iinclude/drivers/io			\
289				-Iinclude/drivers/ti/uart		\
290				-Iinclude/lib				\
291				-Iinclude/lib/cpus			\
292				-Iinclude/lib/el3_runtime		\
293				-Iinclude/lib/extensions		\
294				-Iinclude/lib/pmf			\
295				-Iinclude/lib/psci			\
296				-Iinclude/lib/xlat_tables		\
297				-Iinclude/plat/common			\
298				-Iinclude/services			\
299				-Iinclude/tools_share
300endif
301
302include common/backtrace/backtrace.mk
303
304################################################################################
305# Generic definitions
306################################################################################
307
308include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
309
310BUILD_BASE		:=	./build
311BUILD_PLAT		:=	${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
312
313SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
314
315# Platforms providing their own TBB makefile may override this value
316INCLUDE_TBBR_MK		:=	1
317
318
319################################################################################
320# Include SPD Makefile if one has been specified
321################################################################################
322
323ifneq (${SPD},none)
324ifeq (${ARCH},aarch32)
325        $(error "Error: SPD is incompatible with AArch32.")
326endif
327ifdef EL3_PAYLOAD_BASE
328        $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
329        $(warning "The SPD and its BL32 companion will be present but ignored.")
330endif
331        # We expect to locate an spd.mk under the specified SPD directory
332        SPD_MAKE	:=	$(wildcard services/spd/${SPD}/${SPD}.mk)
333
334        ifeq (${SPD_MAKE},)
335                $(error Error: No services/spd/${SPD}/${SPD}.mk located)
336        endif
337        $(info Including ${SPD_MAKE})
338        include ${SPD_MAKE}
339
340        # If there's BL32 companion for the chosen SPD, we expect that the SPD's
341        # Makefile would set NEED_BL32 to "yes". In this case, the build system
342        # supports two mutually exclusive options:
343        # * BL32 is built from source: then BL32_SOURCES must contain the list
344        #   of source files to build BL32
345        # * BL32 is a prebuilt binary: then BL32 must point to the image file
346        #   that will be included in the FIP
347        # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
348        # over the sources.
349endif
350
351################################################################################
352# Include the platform specific Makefile after the SPD Makefile (the platform
353# makefile may use all previous definitions in this file)
354################################################################################
355
356include ${PLAT_MAKEFILE_FULL}
357
358$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT}))
359
360ifeq (${ARM_ARCH_MAJOR},7)
361include make_helpers/armv7-a-cpus.mk
362endif
363
364ifeq ($(ENABLE_PIE),1)
365    TF_CFLAGS		+=	-fpie
366    TF_LDFLAGS		+=	-pie
367else
368    PIE_FOUND		:=	$(findstring --enable-default-pie,${GCC_V_OUTPUT})
369    ifneq ($(PIE_FOUND),)
370        TF_CFLAGS		+=	-fno-PIE
371    endif
372endif
373
374# Include the CPU specific operations makefile, which provides default
375# values for all CPU errata workarounds and CPU specific optimisations.
376# This can be overridden by the platform.
377include lib/cpus/cpu-ops.mk
378
379ifeq (${ARCH},aarch32)
380NEED_BL32 := yes
381
382################################################################################
383# Build `AARCH32_SP` as BL32 image for AArch32
384################################################################################
385ifneq (${AARCH32_SP},none)
386# We expect to locate an sp.mk under the specified AARCH32_SP directory
387AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
388
389ifeq (${AARCH32_SP_MAKE},)
390  $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
391endif
392
393$(info Including ${AARCH32_SP_MAKE})
394include ${AARCH32_SP_MAKE}
395endif
396
397endif
398
399################################################################################
400# Include libc if not overridden
401################################################################################
402ifeq (${OVERRIDE_LIBC},0)
403include lib/libc/libc.mk
404endif
405
406################################################################################
407# Check incompatible options
408################################################################################
409
410ifdef EL3_PAYLOAD_BASE
411        ifdef PRELOADED_BL33_BASE
412                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
413                incompatible build options. EL3_PAYLOAD_BASE has priority.")
414        endif
415        ifneq (${GENERATE_COT},0)
416                $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.")
417        endif
418        ifneq (${TRUSTED_BOARD_BOOT},0)
419                $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.")
420        endif
421endif
422
423ifeq (${NEED_BL33},yes)
424        ifdef EL3_PAYLOAD_BASE
425                $(warning "BL33 image is not needed when option \
426                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
427        endif
428        ifdef PRELOADED_BL33_BASE
429                $(warning "BL33 image is not needed when option \
430                PRELOADED_BL33_BASE is used and won't be added to the FIP \
431                file.")
432        endif
433endif
434
435# When building for systems with hardware-assisted coherency, there's no need to
436# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
437ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
438$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
439endif
440
441#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1.
442ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1)
443$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled")
444endif
445
446# For RAS_EXTENSION, require that EAs are handled in EL3 first
447ifeq ($(RAS_EXTENSION),1)
448    ifneq ($(HANDLE_EA_EL3_FIRST),1)
449        $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1)
450    endif
451endif
452
453# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled
454ifeq ($(FAULT_INJECTION_SUPPORT),1)
455    ifneq ($(RAS_EXTENSION),1)
456        $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1)
457    endif
458endif
459
460# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1
461ifeq ($(DYN_DISABLE_AUTH), 1)
462    ifeq (${TRUSTED_BOARD_BOOT}, 0)
463        $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.")
464    endif
465endif
466
467################################################################################
468# Process platform overrideable behaviour
469################################################################################
470
471# Using the ARM Trusted Firmware BL2 implies that a BL33 image also needs to be
472# supplied for the FIP and Certificate generation tools. This flag can be
473# overridden by the platform.
474ifdef BL2_SOURCES
475        ifdef EL3_PAYLOAD_BASE
476                # If booting an EL3 payload there is no need for a BL33 image
477                # in the FIP file.
478                NEED_BL33		:=	no
479        else
480                ifdef PRELOADED_BL33_BASE
481                        # If booting a BL33 preloaded image there is no need of
482                        # another one in the FIP file.
483                        NEED_BL33		:=	no
484                else
485                        NEED_BL33		?=	yes
486                endif
487        endif
488endif
489
490# If SCP_BL2 is given, we always want FIP to include it.
491ifdef SCP_BL2
492        NEED_SCP_BL2		:=	yes
493endif
494
495# For AArch32, BL31 is not currently supported.
496ifneq (${ARCH},aarch32)
497    ifdef BL31_SOURCES
498        # When booting an EL3 payload, there is no need to compile the BL31 image nor
499        # put it in the FIP.
500        ifndef EL3_PAYLOAD_BASE
501            NEED_BL31 := yes
502        endif
503    endif
504endif
505
506# Process TBB related flags
507ifneq (${GENERATE_COT},0)
508        # Common cert_create options
509        ifneq (${CREATE_KEYS},0)
510                $(eval CRT_ARGS += -n)
511                $(eval FWU_CRT_ARGS += -n)
512                ifneq (${SAVE_KEYS},0)
513                        $(eval CRT_ARGS += -k)
514                        $(eval FWU_CRT_ARGS += -k)
515                endif
516        endif
517        # Include TBBR makefile (unless the platform indicates otherwise)
518        ifeq (${INCLUDE_TBBR_MK},1)
519                include make_helpers/tbbr/tbbr_tools.mk
520        endif
521endif
522
523ifneq (${FIP_ALIGN},0)
524FIP_ARGS += --align ${FIP_ALIGN}
525endif
526
527################################################################################
528# Include libraries' Makefile that are used in all BL
529################################################################################
530
531include lib/stack_protector/stack_protector.mk
532
533################################################################################
534# Auxiliary tools (fiptool, cert_create, etc)
535################################################################################
536
537# Variables for use with Certificate Generation Tool
538CRTTOOLPATH		?=	tools/cert_create
539CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
540
541# Variables for use with Firmware Image Package
542FIPTOOLPATH		?=	tools/fiptool
543FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
544
545# Variables for use with sptool
546SPTOOLPATH		?=	tools/sptool
547SPTOOL			?=	${SPTOOLPATH}/sptool${BIN_EXT}
548
549# Variables for use with ROMLIB
550ROMLIBPATH		?=	lib/romlib
551
552################################################################################
553# Include BL specific makefiles
554################################################################################
555ifdef BL1_SOURCES
556NEED_BL1 := yes
557include bl1/bl1.mk
558endif
559
560ifdef BL2_SOURCES
561NEED_BL2 := yes
562include bl2/bl2.mk
563endif
564
565ifdef BL2U_SOURCES
566NEED_BL2U := yes
567include bl2u/bl2u.mk
568endif
569
570ifeq (${NEED_BL31},yes)
571ifdef BL31_SOURCES
572include bl31/bl31.mk
573endif
574endif
575
576ifdef FDT_SOURCES
577NEED_FDT := yes
578endif
579
580################################################################################
581# Build options checks
582################################################################################
583
584$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
585$(eval $(call assert_boolean,CREATE_KEYS))
586$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
587$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
588$(eval $(call assert_boolean,DEBUG))
589$(eval $(call assert_boolean,DYN_DISABLE_AUTH))
590$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING))
591$(eval $(call assert_boolean,ENABLE_AMU))
592$(eval $(call assert_boolean,ENABLE_ASSERTIONS))
593$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS))
594$(eval $(call assert_boolean,ENABLE_PIE))
595$(eval $(call assert_boolean,ENABLE_PMF))
596$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
597$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
598$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS))
599$(eval $(call assert_boolean,ENABLE_SPM))
600$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS))
601$(eval $(call assert_boolean,ERROR_DEPRECATED))
602$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT))
603$(eval $(call assert_boolean,GENERATE_COT))
604$(eval $(call assert_boolean,GICV2_G0_FOR_EL3))
605$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST))
606$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY))
607$(eval $(call assert_boolean,MULTI_CONSOLE_API))
608$(eval $(call assert_boolean,NS_TIMER_SWITCH))
609$(eval $(call assert_boolean,OVERRIDE_LIBC))
610$(eval $(call assert_boolean,PL011_GENERIC_UART))
611$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
612$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
613$(eval $(call assert_boolean,RAS_EXTENSION))
614$(eval $(call assert_boolean,RESET_TO_BL31))
615$(eval $(call assert_boolean,SAVE_KEYS))
616$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
617$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
618$(eval $(call assert_boolean,SPM_MM))
619$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
620$(eval $(call assert_boolean,USE_COHERENT_MEM))
621$(eval $(call assert_boolean,USE_ROMLIB))
622$(eval $(call assert_boolean,USE_TBBR_DEFS))
623$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY))
624$(eval $(call assert_boolean,BL2_AT_EL3))
625$(eval $(call assert_boolean,BL2_IN_XIP_MEM))
626
627$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
628$(eval $(call assert_numeric,ARM_ARCH_MINOR))
629
630################################################################################
631# Add definitions to the cpp preprocessor based on the current build options.
632# This is done after including the platform specific makefile to allow the
633# platform to overwrite the default options
634################################################################################
635
636$(eval $(call add_define,ARM_ARCH_MAJOR))
637$(eval $(call add_define,ARM_ARCH_MINOR))
638$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
639$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
640$(eval $(call add_define,CTX_INCLUDE_FPREGS))
641$(eval $(call add_define,EL3_EXCEPTION_HANDLING))
642$(eval $(call add_define,ENABLE_AMU))
643$(eval $(call add_define,ENABLE_ASSERTIONS))
644$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS))
645$(eval $(call add_define,ENABLE_PIE))
646$(eval $(call add_define,ENABLE_PMF))
647$(eval $(call add_define,ENABLE_PSCI_STAT))
648$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
649$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS))
650$(eval $(call add_define,ENABLE_SPM))
651$(eval $(call add_define,ENABLE_SVE_FOR_NS))
652$(eval $(call add_define,ERROR_DEPRECATED))
653$(eval $(call add_define,FAULT_INJECTION_SUPPORT))
654$(eval $(call add_define,GICV2_G0_FOR_EL3))
655$(eval $(call add_define,HANDLE_EA_EL3_FIRST))
656$(eval $(call add_define,HW_ASSISTED_COHERENCY))
657$(eval $(call add_define,LOG_LEVEL))
658$(eval $(call add_define,MULTI_CONSOLE_API))
659$(eval $(call add_define,NS_TIMER_SWITCH))
660$(eval $(call add_define,PL011_GENERIC_UART))
661$(eval $(call add_define,PLAT_${PLAT}))
662$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
663$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
664$(eval $(call add_define,RAS_EXTENSION))
665$(eval $(call add_define,RESET_TO_BL31))
666$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
667$(eval $(call add_define,RECLAIM_INIT_CODE))
668$(eval $(call add_define,SPD_${SPD}))
669$(eval $(call add_define,SPIN_ON_BL1_EXIT))
670$(eval $(call add_define,SPM_MM))
671$(eval $(call add_define,TRUSTED_BOARD_BOOT))
672$(eval $(call add_define,USE_COHERENT_MEM))
673$(eval $(call add_define,USE_ROMLIB))
674$(eval $(call add_define,USE_TBBR_DEFS))
675$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY))
676$(eval $(call add_define,BL2_AT_EL3))
677$(eval $(call add_define,BL2_IN_XIP_MEM))
678
679# Define the EL3_PAYLOAD_BASE flag only if it is provided.
680ifdef EL3_PAYLOAD_BASE
681        $(eval $(call add_define,EL3_PAYLOAD_BASE))
682else
683        # Define the PRELOADED_BL33_BASE flag only if it is provided and
684        # EL3_PAYLOAD_BASE is not defined, as it has priority.
685        ifdef PRELOADED_BL33_BASE
686                $(eval $(call add_define,PRELOADED_BL33_BASE))
687        endif
688endif
689# Define the AARCH32/AARCH64 flag based on the ARCH flag
690ifeq (${ARCH},aarch32)
691        $(eval $(call add_define,AARCH32))
692else
693        $(eval $(call add_define,AARCH64))
694endif
695
696# Define the DYN_DISABLE_AUTH flag only if set.
697ifeq (${DYN_DISABLE_AUTH},1)
698$(eval $(call add_define,DYN_DISABLE_AUTH))
699endif
700
701ifneq ($(findstring armlink,$(notdir $(LD))),)
702$(eval $(call add_define,USE_ARM_LINK))
703endif
704
705################################################################################
706# Build targets
707################################################################################
708
709.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip fwu_fip certtool dtbs
710.SUFFIXES:
711
712all: msg_start
713
714msg_start:
715	@echo "Building ${PLAT}"
716
717# Check if deprecated declarations and cpp warnings should be treated as error or not.
718ifeq (${ERROR_DEPRECATED},0)
719ifneq ($(findstring clang,$(notdir $(CC))),)
720    CPPFLAGS		+= 	-Wno-error=deprecated-declarations
721else
722    CPPFLAGS		+= 	-Wno-error=deprecated-declarations -Wno-error=cpp
723endif
724endif
725
726$(eval $(call MAKE_LIB_DIRS))
727$(eval $(call MAKE_LIB,c))
728
729# Expand build macros for the different images
730ifeq (${NEED_BL1},yes)
731$(eval $(call MAKE_BL,1))
732endif
733
734ifeq (${NEED_BL2},yes)
735ifeq (${BL2_AT_EL3}, 0)
736FIP_BL2_ARGS := tb-fw
737endif
738
739$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
740	$(eval $(call MAKE_BL,2,${FIP_BL2_ARGS})))
741endif
742
743ifeq (${NEED_SCP_BL2},yes)
744$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw))
745endif
746
747ifeq (${NEED_BL31},yes)
748BL31_SOURCES += ${SPD_SOURCES}
749$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
750	$(eval $(call MAKE_BL,31,soc-fw)))
751endif
752
753# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
754# build system will call TOOL_ADD_IMG to print a warning message and abort the
755# process. Note that the dependency on BL32 applies to the FIP only.
756ifeq (${NEED_BL32},yes)
757
758BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
759
760$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\
761	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
762endif
763
764# Add the BL33 image if required by the platform
765ifeq (${NEED_BL33},yes)
766$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
767endif
768
769ifeq (${NEED_BL2U},yes)
770$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\
771	$(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_)))
772endif
773
774# Expand build macros for the different images
775ifeq (${NEED_FDT},yes)
776    $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
777endif
778
779locate-checkpatch:
780ifndef CHECKPATCH
781	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
782else
783ifeq (,$(wildcard ${CHECKPATCH}))
784	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
785endif
786endif
787
788clean:
789	@echo "  CLEAN"
790	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
791	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
792	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
793	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
794
795realclean distclean:
796	@echo "  REALCLEAN"
797	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
798	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
799	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
800	${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean
801	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
802	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
803
804checkcodebase:		locate-checkpatch
805	@echo "  CHECKING STYLE"
806	@if test -d .git ; then						\
807		git ls-files | grep -E -v 'libfdt|libc|docs|\.md' |	\
808		while read GIT_FILE ;					\
809		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
810		done ;							\
811	else								\
812		 find . -type f -not -iwholename "*.git*"		\
813		 -not -iwholename "*build*"				\
814		 -not -iwholename "*libfdt*"				\
815		 -not -iwholename "*libc*"				\
816		 -not -iwholename "*docs*"				\
817		 -not -iwholename "*.md"				\
818		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
819	fi
820
821checkpatch:		locate-checkpatch
822	@echo "  CHECKING STYLE"
823	${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT});	\
824	for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do		\
825		printf "\n[*] Checking style of '$$commit'\n\n";	\
826		git log --format=email "$$commit~..$$commit"		\
827			-- ${CHECK_PATHS} | ${CHECKPATCH} - || true;	\
828		git diff --format=email "$$commit~..$$commit"		\
829			-- ${CHECK_PATHS} | ${CHECKPATCH} - || true;	\
830	done
831
832certtool: ${CRTTOOL}
833
834.PHONY: ${CRTTOOL}
835${CRTTOOL}:
836	${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH}
837	@${ECHO_BLANK_LINE}
838	@echo "Built $@ successfully"
839	@${ECHO_BLANK_LINE}
840
841ifneq (${GENERATE_COT},0)
842certificates: ${CRT_DEPS} ${CRTTOOL}
843	${Q}${CRTTOOL} ${CRT_ARGS}
844	@${ECHO_BLANK_LINE}
845	@echo "Built $@ successfully"
846	@echo "Certificates can be found in ${BUILD_PLAT}"
847	@${ECHO_BLANK_LINE}
848endif
849
850${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
851	${Q}${FIPTOOL} create ${FIP_ARGS} $@
852	${Q}${FIPTOOL} info $@
853	@${ECHO_BLANK_LINE}
854	@echo "Built $@ successfully"
855	@${ECHO_BLANK_LINE}
856
857ifneq (${GENERATE_COT},0)
858fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
859	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
860	@${ECHO_BLANK_LINE}
861	@echo "Built $@ successfully"
862	@echo "FWU certificates can be found in ${BUILD_PLAT}"
863	@${ECHO_BLANK_LINE}
864endif
865
866${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
867	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
868	${Q}${FIPTOOL} info $@
869	@${ECHO_BLANK_LINE}
870	@echo "Built $@ successfully"
871	@${ECHO_BLANK_LINE}
872
873fiptool: ${FIPTOOL}
874fip: ${BUILD_PLAT}/${FIP_NAME}
875fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
876
877.PHONY: ${FIPTOOL}
878${FIPTOOL}:
879	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH}
880
881sptool: ${SPTOOL}
882.PHONY: ${SPTOOL}
883${SPTOOL}:
884	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH}
885
886.PHONY: libraries
887romlib.bin: libraries
888	${Q}${MAKE} PLAT_DIR=${PLAT_DIR} BUILD_PLAT=${BUILD_PLAT} INCLUDES='${INCLUDES}' DEFINES='${DEFINES}' --no-print-directory -C ${ROMLIBPATH} all
889
890cscope:
891	@echo "  CSCOPE"
892	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
893	${Q}cscope -b -q -k
894
895help:
896	@echo "usage: ${MAKE} PLAT=<${PLATFORM_LIST}> [OPTIONS] [TARGET]"
897	@echo ""
898	@echo "PLAT is used to specify which platform you wish to build."
899	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
900	@echo ""
901	@echo "Please refer to the User Guide for a list of all supported options."
902	@echo "Note that the build system doesn't track dependencies for build "
903	@echo "options. Therefore, if any of the build options are changed "
904	@echo "from a previous build, a clean build must be performed."
905	@echo ""
906	@echo "Supported Targets:"
907	@echo "  all            Build all individual bootloader binaries"
908	@echo "  bl1            Build the BL1 binary"
909	@echo "  bl2            Build the BL2 binary"
910	@echo "  bl2u           Build the BL2U binary"
911	@echo "  bl31           Build the BL31 binary"
912	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
913	@echo "                 this builds secure payload specified by AARCH32_SP"
914	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
915	@echo "  fip            Build the Firmware Image Package (FIP)"
916	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
917	@echo "  checkcodebase  Check the coding style of the entire source tree"
918	@echo "  checkpatch     Check the coding style on changes in the current"
919	@echo "                 branch against BASE_COMMIT (default origin/master)"
920	@echo "  clean          Clean the build for the selected platform"
921	@echo "  cscope         Generate cscope index"
922	@echo "  distclean      Remove all build artifacts for all platforms"
923	@echo "  certtool       Build the Certificate generation tool"
924	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
925	@echo "  sptool         Build the Secure Partition Package creation tool"
926	@echo "  dtbs           Build the Device Tree Blobs (if required for the platform)"
927	@echo ""
928	@echo "Note: most build targets require PLAT to be set to a specific platform."
929	@echo ""
930	@echo "example: build all targets for the FVP platform:"
931	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
932