xref: /rk3399_ARM-atf/Makefile (revision 00296576c54a3015997822ff824912d706f1b9a1)
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			:= 1
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					%.rst,				\
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
150
151# Set the compiler's target architecture profile based on ARM_ARCH_MINOR option
152ifeq (${ARM_ARCH_MINOR},0)
153march32-directive	= 	-march=armv8-a
154march64-directive	= 	-march=armv8-a
155else
156march32-directive	= 	-march=armv8.${ARM_ARCH_MINOR}-a
157march64-directive	= 	-march=armv8.${ARM_ARCH_MINOR}-a
158endif
159endif
160
161ifneq ($(findstring armclang,$(notdir $(CC))),)
162TF_CFLAGS_aarch32	=	-target arm-arm-none-eabi $(march32-directive)
163TF_CFLAGS_aarch64	=	-target aarch64-arm-none-eabi $(march64-directive)
164LD			=	$(LINKER)
165AS			=	$(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH))
166CPP			=	$(CC) -E $(TF_CFLAGS_$(ARCH))
167PP			=	$(CC) -E $(TF_CFLAGS_$(ARCH))
168else ifneq ($(findstring clang,$(notdir $(CC))),)
169TF_CFLAGS_aarch32	=	$(target32-directive) $(march32-directive)
170TF_CFLAGS_aarch64	=	-target aarch64-elf $(march64-directive)
171LD			=	$(LINKER)
172AS			=	$(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH))
173CPP			=	$(CC) -E
174PP			=	$(CC) -E
175else
176TF_CFLAGS_aarch32	=	$(march32-directive)
177TF_CFLAGS_aarch64	=	$(march64-directive)
178LD			=	$(LINKER)
179endif
180
181ifeq (${AARCH32_INSTRUCTION_SET},A32)
182TF_CFLAGS_aarch32	+=	-marm
183else ifeq (${AARCH32_INSTRUCTION_SET},T32)
184TF_CFLAGS_aarch32	+=	-mthumb
185else
186$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET})
187endif
188
189TF_CFLAGS_aarch32	+=	-mno-unaligned-access
190TF_CFLAGS_aarch64	+=	-mgeneral-regs-only -mstrict-align
191
192ASFLAGS_aarch32		=	$(march32-directive)
193ASFLAGS_aarch64		=	$(march64-directive)
194
195WARNING1 := -Wextra
196WARNING1 += -Wmissing-declarations
197WARNING1 += -Wmissing-format-attribute
198WARNING1 += -Wmissing-prototypes
199WARNING1 += -Wold-style-definition
200WARNING1 += -Wunused-const-variable
201
202WARNING2 := -Waggregate-return
203WARNING2 += -Wcast-align
204WARNING2 += -Wnested-externs
205WARNING2 += -Wshadow
206WARNING2 += -Wlogical-op
207WARNING2 += -Wmissing-field-initializers
208WARNING2 += -Wsign-compare
209
210WARNING3 := -Wbad-function-cast
211WARNING3 += -Wcast-qual
212WARNING3 += -Wconversion
213WARNING3 += -Wpacked
214WARNING3 += -Wpadded
215WARNING3 += -Wpointer-arith
216WARNING3 += -Wredundant-decls
217WARNING3 += -Wswitch-default
218
219ifeq (${W},1)
220WARNINGS := $(WARNING1)
221else ifeq (${W},2)
222WARNINGS := $(WARNING1) $(WARNING2)
223else ifeq (${W},3)
224WARNINGS := $(WARNING1) $(WARNING2) $(WARNING3)
225endif
226
227WARNINGS	+=		-Wunused -Wno-unused-parameter	\
228				-Wdisabled-optimization		\
229				-Wvla
230
231ifeq ($(findstring clang,$(notdir $(CC))),)
232WARNINGS	+=		-Wunused-but-set-variable	\
233				-Wmaybe-uninitialized		\
234				-Wpacked-bitfield-compat
235endif
236
237ifneq (${E},0)
238ERRORS := -Werror
239endif
240
241CPPFLAGS		=	${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc		\
242				-Wmissing-include-dirs $(ERRORS) $(WARNINGS)
243ASFLAGS			+=	$(CPPFLAGS) $(ASFLAGS_$(ARCH))			\
244				-D__ASSEMBLY__ -ffreestanding 			\
245				-Wa,--fatal-warnings
246TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
247				-ffreestanding -fno-builtin -Wall -std=gnu99	\
248				-Os -ffunction-sections -fdata-sections
249
250GCC_V_OUTPUT		:=	$(shell $(CC) -v 2>&1)
251
252ifneq ($(findstring armlink,$(notdir $(LD))),)
253TF_LDFLAGS		+=	--diag_error=warning --lto_level=O1
254TF_LDFLAGS		+=	--remove --info=unused,unusedsymbols
255else
256TF_LDFLAGS		+=	--fatal-warnings -O1
257TF_LDFLAGS		+=	--gc-sections
258endif
259TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
260
261DTC_FLAGS		+=	-I dts -O dtb
262DTC_CPPFLAGS		+=	-nostdinc -Iinclude -undef -x assembler-with-cpp
263
264################################################################################
265# Common sources and include directories
266################################################################################
267include lib/compiler-rt/compiler-rt.mk
268
269BL_COMMON_SOURCES	+=	common/bl_common.c			\
270				common/tf_log.c				\
271				common/${ARCH}/debug.S			\
272				drivers/console/multi_console.c		\
273				lib/${ARCH}/cache_helpers.S		\
274				lib/${ARCH}/misc_helpers.S		\
275				plat/common/plat_bl_common.c		\
276				plat/common/plat_log_common.c		\
277				plat/common/${ARCH}/plat_common.c	\
278				plat/common/${ARCH}/platform_helpers.S	\
279				${COMPILER_RT_SRCS}
280
281ifeq ($(notdir $(CC)),armclang)
282BL_COMMON_SOURCES	+=	lib/${ARCH}/armclang_printf.S
283endif
284
285INCLUDES		+=	-Iinclude				\
286				-Iinclude/arch/${ARCH}			\
287				-Iinclude/lib/cpus/${ARCH}		\
288				-Iinclude/lib/el3_runtime/${ARCH}	\
289				${PLAT_INCLUDES}			\
290				${SPD_INCLUDES}
291
292include common/backtrace/backtrace.mk
293
294################################################################################
295# Generic definitions
296################################################################################
297
298include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
299
300BUILD_BASE		:=	./build
301BUILD_PLAT		:=	${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
302
303SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
304
305# Platforms providing their own TBB makefile may override this value
306INCLUDE_TBBR_MK		:=	1
307
308
309################################################################################
310# Include SPD Makefile if one has been specified
311################################################################################
312
313ifneq (${SPD},none)
314ifeq (${ARCH},aarch32)
315        $(error "Error: SPD is incompatible with AArch32.")
316endif
317ifdef EL3_PAYLOAD_BASE
318        $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
319        $(warning "The SPD and its BL32 companion will be present but ignored.")
320endif
321        # We expect to locate an spd.mk under the specified SPD directory
322        SPD_MAKE	:=	$(wildcard services/spd/${SPD}/${SPD}.mk)
323
324        ifeq (${SPD_MAKE},)
325                $(error Error: No services/spd/${SPD}/${SPD}.mk located)
326        endif
327        $(info Including ${SPD_MAKE})
328        include ${SPD_MAKE}
329
330        # If there's BL32 companion for the chosen SPD, we expect that the SPD's
331        # Makefile would set NEED_BL32 to "yes". In this case, the build system
332        # supports two mutually exclusive options:
333        # * BL32 is built from source: then BL32_SOURCES must contain the list
334        #   of source files to build BL32
335        # * BL32 is a prebuilt binary: then BL32 must point to the image file
336        #   that will be included in the FIP
337        # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
338        # over the sources.
339endif
340
341################################################################################
342# Include the platform specific Makefile after the SPD Makefile (the platform
343# makefile may use all previous definitions in this file)
344################################################################################
345
346include ${PLAT_MAKEFILE_FULL}
347
348$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT}))
349
350ifeq (${ARM_ARCH_MAJOR},7)
351include make_helpers/armv7-a-cpus.mk
352endif
353
354ifeq ($(ENABLE_PIE),1)
355    TF_CFLAGS		+=	-fpie
356    TF_LDFLAGS		+=	-pie --no-dynamic-linker
357else
358    PIE_FOUND		:=	$(findstring --enable-default-pie,${GCC_V_OUTPUT})
359    ifneq ($(PIE_FOUND),)
360        TF_CFLAGS		+=	-fno-PIE
361    endif
362endif
363
364# Include the CPU specific operations makefile, which provides default
365# values for all CPU errata workarounds and CPU specific optimisations.
366# This can be overridden by the platform.
367include lib/cpus/cpu-ops.mk
368
369ifeq (${ARCH},aarch32)
370NEED_BL32 := yes
371
372################################################################################
373# Build `AARCH32_SP` as BL32 image for AArch32
374################################################################################
375ifneq (${AARCH32_SP},none)
376# We expect to locate an sp.mk under the specified AARCH32_SP directory
377AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
378
379ifeq (${AARCH32_SP_MAKE},)
380  $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
381endif
382
383$(info Including ${AARCH32_SP_MAKE})
384include ${AARCH32_SP_MAKE}
385endif
386
387endif
388
389################################################################################
390# Include libc if not overridden
391################################################################################
392ifeq (${OVERRIDE_LIBC},0)
393include lib/libc/libc.mk
394endif
395
396################################################################################
397# Check incompatible options
398################################################################################
399
400ifdef EL3_PAYLOAD_BASE
401        ifdef PRELOADED_BL33_BASE
402                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
403                incompatible build options. EL3_PAYLOAD_BASE has priority.")
404        endif
405        ifneq (${GENERATE_COT},0)
406                $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.")
407        endif
408        ifneq (${TRUSTED_BOARD_BOOT},0)
409                $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.")
410        endif
411endif
412
413ifeq (${NEED_BL33},yes)
414        ifdef EL3_PAYLOAD_BASE
415                $(warning "BL33 image is not needed when option \
416                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
417        endif
418        ifdef PRELOADED_BL33_BASE
419                $(warning "BL33 image is not needed when option \
420                PRELOADED_BL33_BASE is used and won't be added to the FIP \
421                file.")
422        endif
423endif
424
425# When building for systems with hardware-assisted coherency, there's no need to
426# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
427ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
428$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
429endif
430
431#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1.
432ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1)
433$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled")
434endif
435
436# For RAS_EXTENSION, require that EAs are handled in EL3 first
437ifeq ($(RAS_EXTENSION),1)
438    ifneq ($(HANDLE_EA_EL3_FIRST),1)
439        $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1)
440    endif
441endif
442
443# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled
444ifeq ($(FAULT_INJECTION_SUPPORT),1)
445    ifneq ($(RAS_EXTENSION),1)
446        $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1)
447    endif
448endif
449
450# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1
451ifeq ($(DYN_DISABLE_AUTH), 1)
452    ifeq (${TRUSTED_BOARD_BOOT}, 0)
453        $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.")
454    endif
455endif
456
457# If pointer authentication is used in the firmware, make sure that all the
458# registers associated to it are also saved and restored. Not doing it would
459# leak the value of the key used by EL3 to EL1 and S-EL1.
460ifeq ($(ENABLE_PAUTH),1)
461    ifneq ($(ARCH),aarch64)
462        $(error ENABLE_PAUTH=1 requires AArch64)
463    else ifeq ($(CTX_INCLUDE_PAUTH_REGS),0)
464        $(error ENABLE_PAUTH=1 requires CTX_INCLUDE_PAUTH_REGS=1)
465    else
466        $(info ENABLE_PAUTH and CTX_INCLUDE_PAUTH_REGS are experimental features)
467    endif
468else
469    ifeq ($(CTX_INCLUDE_PAUTH_REGS),1)
470        ifneq ($(ARCH),aarch64)
471            $(error CTX_INCLUDE_PAUTH_REGS=1 requires AArch64)
472        else
473            $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature)
474        endif
475    endif
476endif
477
478################################################################################
479# Process platform overrideable behaviour
480################################################################################
481
482# Using the ARM Trusted Firmware BL2 implies that a BL33 image also needs to be
483# supplied for the FIP and Certificate generation tools. This flag can be
484# overridden by the platform.
485ifdef BL2_SOURCES
486        ifdef EL3_PAYLOAD_BASE
487                # If booting an EL3 payload there is no need for a BL33 image
488                # in the FIP file.
489                NEED_BL33		:=	no
490        else
491                ifdef PRELOADED_BL33_BASE
492                        # If booting a BL33 preloaded image there is no need of
493                        # another one in the FIP file.
494                        NEED_BL33		:=	no
495                else
496                        NEED_BL33		?=	yes
497                endif
498        endif
499endif
500
501# If SCP_BL2 is given, we always want FIP to include it.
502ifdef SCP_BL2
503        NEED_SCP_BL2		:=	yes
504endif
505
506# For AArch32, BL31 is not currently supported.
507ifneq (${ARCH},aarch32)
508    ifdef BL31_SOURCES
509        # When booting an EL3 payload, there is no need to compile the BL31 image nor
510        # put it in the FIP.
511        ifndef EL3_PAYLOAD_BASE
512            NEED_BL31 := yes
513        endif
514    endif
515endif
516
517# Process TBB related flags
518ifneq (${GENERATE_COT},0)
519        # Common cert_create options
520        ifneq (${CREATE_KEYS},0)
521                $(eval CRT_ARGS += -n)
522                $(eval FWU_CRT_ARGS += -n)
523                ifneq (${SAVE_KEYS},0)
524                        $(eval CRT_ARGS += -k)
525                        $(eval FWU_CRT_ARGS += -k)
526                endif
527        endif
528        # Include TBBR makefile (unless the platform indicates otherwise)
529        ifeq (${INCLUDE_TBBR_MK},1)
530                include make_helpers/tbbr/tbbr_tools.mk
531        endif
532endif
533
534ifneq (${FIP_ALIGN},0)
535FIP_ARGS += --align ${FIP_ALIGN}
536endif
537
538################################################################################
539# Include libraries' Makefile that are used in all BL
540################################################################################
541
542include lib/stack_protector/stack_protector.mk
543
544################################################################################
545# Auxiliary tools (fiptool, cert_create, etc)
546################################################################################
547
548# Variables for use with Certificate Generation Tool
549CRTTOOLPATH		?=	tools/cert_create
550CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
551
552# Variables for use with Firmware Image Package
553FIPTOOLPATH		?=	tools/fiptool
554FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
555
556# Variables for use with sptool
557SPTOOLPATH		?=	tools/sptool
558SPTOOL			?=	${SPTOOLPATH}/sptool${BIN_EXT}
559
560# Variables for use with ROMLIB
561ROMLIBPATH		?=	lib/romlib
562
563################################################################################
564# Include BL specific makefiles
565################################################################################
566ifdef BL1_SOURCES
567NEED_BL1 := yes
568include bl1/bl1.mk
569endif
570
571ifdef BL2_SOURCES
572NEED_BL2 := yes
573include bl2/bl2.mk
574endif
575
576ifdef BL2U_SOURCES
577NEED_BL2U := yes
578include bl2u/bl2u.mk
579endif
580
581ifeq (${NEED_BL31},yes)
582ifdef BL31_SOURCES
583include bl31/bl31.mk
584endif
585endif
586
587ifdef FDT_SOURCES
588NEED_FDT := yes
589endif
590
591################################################################################
592# Build options checks
593################################################################################
594
595$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
596$(eval $(call assert_boolean,CREATE_KEYS))
597$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
598$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
599$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS))
600$(eval $(call assert_boolean,DEBUG))
601$(eval $(call assert_boolean,DYN_DISABLE_AUTH))
602$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING))
603$(eval $(call assert_boolean,ENABLE_AMU))
604$(eval $(call assert_boolean,ENABLE_ASSERTIONS))
605$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS))
606$(eval $(call assert_boolean,ENABLE_PAUTH))
607$(eval $(call assert_boolean,ENABLE_PIE))
608$(eval $(call assert_boolean,ENABLE_PMF))
609$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
610$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
611$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS))
612$(eval $(call assert_boolean,ENABLE_SPM))
613$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS))
614$(eval $(call assert_boolean,ERROR_DEPRECATED))
615$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT))
616$(eval $(call assert_boolean,GENERATE_COT))
617$(eval $(call assert_boolean,GICV2_G0_FOR_EL3))
618$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST))
619$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY))
620$(eval $(call assert_boolean,MULTI_CONSOLE_API))
621$(eval $(call assert_boolean,NS_TIMER_SWITCH))
622$(eval $(call assert_boolean,OVERRIDE_LIBC))
623$(eval $(call assert_boolean,PL011_GENERIC_UART))
624$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
625$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
626$(eval $(call assert_boolean,RAS_EXTENSION))
627$(eval $(call assert_boolean,RESET_TO_BL31))
628$(eval $(call assert_boolean,SAVE_KEYS))
629$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
630$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
631$(eval $(call assert_boolean,SPM_MM))
632$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
633$(eval $(call assert_boolean,USE_COHERENT_MEM))
634$(eval $(call assert_boolean,USE_ROMLIB))
635$(eval $(call assert_boolean,USE_TBBR_DEFS))
636$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY))
637$(eval $(call assert_boolean,BL2_AT_EL3))
638$(eval $(call assert_boolean,BL2_IN_XIP_MEM))
639
640$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
641$(eval $(call assert_numeric,ARM_ARCH_MINOR))
642
643################################################################################
644# Add definitions to the cpp preprocessor based on the current build options.
645# This is done after including the platform specific makefile to allow the
646# platform to overwrite the default options
647################################################################################
648
649$(eval $(call add_define,ARM_ARCH_MAJOR))
650$(eval $(call add_define,ARM_ARCH_MINOR))
651$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
652$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
653$(eval $(call add_define,CTX_INCLUDE_FPREGS))
654$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS))
655$(eval $(call add_define,EL3_EXCEPTION_HANDLING))
656$(eval $(call add_define,ENABLE_AMU))
657$(eval $(call add_define,ENABLE_ASSERTIONS))
658$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS))
659$(eval $(call add_define,ENABLE_PAUTH))
660$(eval $(call add_define,ENABLE_PIE))
661$(eval $(call add_define,ENABLE_PMF))
662$(eval $(call add_define,ENABLE_PSCI_STAT))
663$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
664$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS))
665$(eval $(call add_define,ENABLE_SPM))
666$(eval $(call add_define,ENABLE_SVE_FOR_NS))
667$(eval $(call add_define,ERROR_DEPRECATED))
668$(eval $(call add_define,FAULT_INJECTION_SUPPORT))
669$(eval $(call add_define,GICV2_G0_FOR_EL3))
670$(eval $(call add_define,HANDLE_EA_EL3_FIRST))
671$(eval $(call add_define,HW_ASSISTED_COHERENCY))
672$(eval $(call add_define,LOG_LEVEL))
673$(eval $(call add_define,MULTI_CONSOLE_API))
674$(eval $(call add_define,NS_TIMER_SWITCH))
675$(eval $(call add_define,PL011_GENERIC_UART))
676$(eval $(call add_define,PLAT_${PLAT}))
677$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
678$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
679$(eval $(call add_define,RAS_EXTENSION))
680$(eval $(call add_define,RESET_TO_BL31))
681$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
682$(eval $(call add_define,RECLAIM_INIT_CODE))
683$(eval $(call add_define,SPD_${SPD}))
684$(eval $(call add_define,SPIN_ON_BL1_EXIT))
685$(eval $(call add_define,SPM_MM))
686$(eval $(call add_define,TRUSTED_BOARD_BOOT))
687$(eval $(call add_define,USE_COHERENT_MEM))
688$(eval $(call add_define,USE_ROMLIB))
689$(eval $(call add_define,USE_TBBR_DEFS))
690$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY))
691$(eval $(call add_define,BL2_AT_EL3))
692$(eval $(call add_define,BL2_IN_XIP_MEM))
693
694# Define the EL3_PAYLOAD_BASE flag only if it is provided.
695ifdef EL3_PAYLOAD_BASE
696        $(eval $(call add_define,EL3_PAYLOAD_BASE))
697else
698        # Define the PRELOADED_BL33_BASE flag only if it is provided and
699        # EL3_PAYLOAD_BASE is not defined, as it has priority.
700        ifdef PRELOADED_BL33_BASE
701                $(eval $(call add_define,PRELOADED_BL33_BASE))
702        endif
703endif
704# Define the AARCH32/AARCH64 flag based on the ARCH flag
705ifeq (${ARCH},aarch32)
706        $(eval $(call add_define,AARCH32))
707else
708        $(eval $(call add_define,AARCH64))
709endif
710
711# Define the DYN_DISABLE_AUTH flag only if set.
712ifeq (${DYN_DISABLE_AUTH},1)
713$(eval $(call add_define,DYN_DISABLE_AUTH))
714endif
715
716ifneq ($(findstring armlink,$(notdir $(LD))),)
717$(eval $(call add_define,USE_ARM_LINK))
718endif
719
720################################################################################
721# Build targets
722################################################################################
723
724.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip fwu_fip certtool dtbs
725.SUFFIXES:
726
727all: msg_start
728
729msg_start:
730	@echo "Building ${PLAT}"
731
732# Check if deprecated declarations and cpp warnings should be treated as error or not.
733ifeq (${ERROR_DEPRECATED},0)
734ifneq ($(findstring clang,$(notdir $(CC))),)
735    CPPFLAGS		+= 	-Wno-error=deprecated-declarations
736else
737    CPPFLAGS		+= 	-Wno-error=deprecated-declarations -Wno-error=cpp
738endif
739endif
740
741$(eval $(call MAKE_LIB_DIRS))
742$(eval $(call MAKE_LIB,c))
743
744# Expand build macros for the different images
745ifeq (${NEED_BL1},yes)
746$(eval $(call MAKE_BL,1))
747endif
748
749ifeq (${NEED_BL2},yes)
750ifeq (${BL2_AT_EL3}, 0)
751FIP_BL2_ARGS := tb-fw
752endif
753
754$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
755	$(eval $(call MAKE_BL,2,${FIP_BL2_ARGS})))
756endif
757
758ifeq (${NEED_SCP_BL2},yes)
759$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw))
760endif
761
762ifeq (${NEED_BL31},yes)
763BL31_SOURCES += ${SPD_SOURCES}
764$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
765	$(eval $(call MAKE_BL,31,soc-fw)))
766endif
767
768# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
769# build system will call TOOL_ADD_IMG to print a warning message and abort the
770# process. Note that the dependency on BL32 applies to the FIP only.
771ifeq (${NEED_BL32},yes)
772
773BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
774
775$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\
776	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
777endif
778
779# Add the BL33 image if required by the platform
780ifeq (${NEED_BL33},yes)
781$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
782endif
783
784ifeq (${NEED_BL2U},yes)
785$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\
786	$(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_)))
787endif
788
789# Expand build macros for the different images
790ifeq (${NEED_FDT},yes)
791    $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
792endif
793
794locate-checkpatch:
795ifndef CHECKPATCH
796	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
797else
798ifeq (,$(wildcard ${CHECKPATCH}))
799	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
800endif
801endif
802
803clean:
804	@echo "  CLEAN"
805	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
806	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
807	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
808	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
809
810realclean distclean:
811	@echo "  REALCLEAN"
812	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
813	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
814	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
815	${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean
816	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
817	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
818
819checkcodebase:		locate-checkpatch
820	@echo "  CHECKING STYLE"
821	@if test -d .git ; then						\
822		git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' |	\
823		while read GIT_FILE ;					\
824		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
825		done ;							\
826	else								\
827		 find . -type f -not -iwholename "*.git*"		\
828		 -not -iwholename "*build*"				\
829		 -not -iwholename "*libfdt*"				\
830		 -not -iwholename "*libc*"				\
831		 -not -iwholename "*docs*"				\
832		 -not -iwholename "*.rst"				\
833		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
834	fi
835
836checkpatch:		locate-checkpatch
837	@echo "  CHECKING STYLE"
838	@if test -n "${CHECKPATCH_OPTS}"; then				\
839		echo "    with ${CHECKPATCH_OPTS} option(s)";		\
840	fi
841	${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT});	\
842	for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do		\
843		printf "\n[*] Checking style of '$$commit'\n\n";	\
844		git log --format=email "$$commit~..$$commit"		\
845			-- ${CHECK_PATHS} |				\
846			${CHECKPATCH} ${CHECKPATCH_OPTS} - || true;	\
847		git diff --format=email "$$commit~..$$commit"		\
848			-- ${CHECK_PATHS} |				\
849			${CHECKPATCH}  ${CHECKPATCH_OPTS} - || true;	\
850	done
851
852certtool: ${CRTTOOL}
853
854.PHONY: ${CRTTOOL}
855${CRTTOOL}:
856	${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH}
857	@${ECHO_BLANK_LINE}
858	@echo "Built $@ successfully"
859	@${ECHO_BLANK_LINE}
860
861ifneq (${GENERATE_COT},0)
862certificates: ${CRT_DEPS} ${CRTTOOL}
863	${Q}${CRTTOOL} ${CRT_ARGS}
864	@${ECHO_BLANK_LINE}
865	@echo "Built $@ successfully"
866	@echo "Certificates can be found in ${BUILD_PLAT}"
867	@${ECHO_BLANK_LINE}
868endif
869
870${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
871	${Q}${FIPTOOL} create ${FIP_ARGS} $@
872	${Q}${FIPTOOL} info $@
873	@${ECHO_BLANK_LINE}
874	@echo "Built $@ successfully"
875	@${ECHO_BLANK_LINE}
876
877ifneq (${GENERATE_COT},0)
878fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
879	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
880	@${ECHO_BLANK_LINE}
881	@echo "Built $@ successfully"
882	@echo "FWU certificates can be found in ${BUILD_PLAT}"
883	@${ECHO_BLANK_LINE}
884endif
885
886${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
887	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
888	${Q}${FIPTOOL} info $@
889	@${ECHO_BLANK_LINE}
890	@echo "Built $@ successfully"
891	@${ECHO_BLANK_LINE}
892
893fiptool: ${FIPTOOL}
894fip: ${BUILD_PLAT}/${FIP_NAME}
895fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
896
897.PHONY: ${FIPTOOL}
898${FIPTOOL}:
899	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH}
900
901sptool: ${SPTOOL}
902.PHONY: ${SPTOOL}
903${SPTOOL}:
904	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH}
905
906.PHONY: libraries
907romlib.bin: libraries
908	${Q}${MAKE} PLAT_DIR=${PLAT_DIR} BUILD_PLAT=${BUILD_PLAT} INCLUDES='${INCLUDES}' DEFINES='${DEFINES}' --no-print-directory -C ${ROMLIBPATH} all
909
910cscope:
911	@echo "  CSCOPE"
912	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
913	${Q}cscope -b -q -k
914
915help:
916	@echo "usage: ${MAKE} PLAT=<${PLATFORM_LIST}> [OPTIONS] [TARGET]"
917	@echo ""
918	@echo "PLAT is used to specify which platform you wish to build."
919	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
920	@echo ""
921	@echo "Please refer to the User Guide for a list of all supported options."
922	@echo "Note that the build system doesn't track dependencies for build "
923	@echo "options. Therefore, if any of the build options are changed "
924	@echo "from a previous build, a clean build must be performed."
925	@echo ""
926	@echo "Supported Targets:"
927	@echo "  all            Build all individual bootloader binaries"
928	@echo "  bl1            Build the BL1 binary"
929	@echo "  bl2            Build the BL2 binary"
930	@echo "  bl2u           Build the BL2U binary"
931	@echo "  bl31           Build the BL31 binary"
932	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
933	@echo "                 this builds secure payload specified by AARCH32_SP"
934	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
935	@echo "  fip            Build the Firmware Image Package (FIP)"
936	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
937	@echo "  checkcodebase  Check the coding style of the entire source tree"
938	@echo "  checkpatch     Check the coding style on changes in the current"
939	@echo "                 branch against BASE_COMMIT (default origin/master)"
940	@echo "  clean          Clean the build for the selected platform"
941	@echo "  cscope         Generate cscope index"
942	@echo "  distclean      Remove all build artifacts for all platforms"
943	@echo "  certtool       Build the Certificate generation tool"
944	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
945	@echo "  sptool         Build the Secure Partition Package creation tool"
946	@echo "  dtbs           Build the Device Tree Blobs (if required for the platform)"
947	@echo ""
948	@echo "Note: most build targets require PLAT to be set to a specific platform."
949	@echo ""
950	@echo "example: build all targets for the FVP platform:"
951	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
952