xref: /rk3399_ARM-atf/Makefile (revision 950d05f752e0d35c45a7123ed1538efaabd8c37c) 
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					%.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
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		=	$(march64-directive)
194
195WARNING1 := -Wextra
196WARNING1 += -Wunused -Wno-unused-parameter
197WARNING1 += -Wmissing-declarations
198WARNING1 += -Wmissing-format-attribute
199WARNING1 += -Wmissing-prototypes
200WARNING1 += -Wold-style-definition
201WARNING1 += -Wunused-but-set-variable
202WARNING1 += -Wunused-const-variable
203
204WARNING2 := -Waggregate-return
205WARNING2 += -Wcast-align
206WARNING2 += -Wdisabled-optimization
207WARNING2 += -Wnested-externs
208WARNING2 += -Wshadow
209WARNING2 += -Wlogical-op
210WARNING2 += -Wmissing-field-initializers
211WARNING2 += -Wsign-compare
212WARNING2 += -Wmaybe-uninitialized
213
214WARNING3 := -Wbad-function-cast
215WARNING3 += -Wcast-qual
216WARNING3 += -Wconversion
217WARNING3 += -Wpacked
218WARNING3 += -Wpadded
219WARNING3 += -Wpointer-arith
220WARNING3 += -Wredundant-decls
221WARNING3 += -Wswitch-default
222WARNING3 += -Wpacked-bitfield-compat
223WARNING3 += -Wvla
224
225ifeq (${W},1)
226WARNINGS := $(WARNING1)
227else ifeq (${W},2)
228WARNINGS := $(WARNING1) $(WARNING2)
229else ifeq (${W},3)
230WARNINGS := $(WARNING1) $(WARNING2) $(WARNING3)
231endif
232
233ifneq (${E},0)
234ERRORS := -Werror
235endif
236
237CPPFLAGS		=	${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc		\
238				-Wmissing-include-dirs $(ERRORS) $(WARNINGS)
239ASFLAGS			+=	$(CPPFLAGS) $(ASFLAGS_$(ARCH))			\
240				-D__ASSEMBLY__ -ffreestanding 			\
241				-Wa,--fatal-warnings
242TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
243				-ffreestanding -fno-builtin -Wall -std=gnu99	\
244				-Os -ffunction-sections -fdata-sections
245
246GCC_V_OUTPUT		:=	$(shell $(CC) -v 2>&1)
247
248ifneq ($(findstring armlink,$(notdir $(LD))),)
249TF_LDFLAGS		+=	--diag_error=warning --lto_level=O1
250TF_LDFLAGS		+=	--remove --info=unused,unusedsymbols
251else
252TF_LDFLAGS		+=	--fatal-warnings -O1
253TF_LDFLAGS		+=	--gc-sections
254endif
255TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
256
257DTC_FLAGS		+=	-I dts -O dtb
258DTC_CPPFLAGS		+=	-nostdinc -Iinclude -undef -x assembler-with-cpp
259
260################################################################################
261# Common sources and include directories
262################################################################################
263include lib/compiler-rt/compiler-rt.mk
264
265BL_COMMON_SOURCES	+=	common/bl_common.c			\
266				common/tf_log.c				\
267				common/${ARCH}/debug.S			\
268				drivers/console/multi_console.c		\
269				lib/${ARCH}/cache_helpers.S		\
270				lib/${ARCH}/misc_helpers.S		\
271				plat/common/plat_bl_common.c		\
272				plat/common/plat_log_common.c		\
273				plat/common/${ARCH}/plat_common.c	\
274				plat/common/${ARCH}/platform_helpers.S	\
275				${COMPILER_RT_SRCS}
276
277ifeq ($(notdir $(CC)),armclang)
278BL_COMMON_SOURCES	+=	lib/${ARCH}/armclang_printf.S
279endif
280
281INCLUDES		+=	-Iinclude				\
282				-Iinclude/arch/${ARCH}			\
283				-Iinclude/lib/cpus/${ARCH}		\
284				-Iinclude/lib/el3_runtime/${ARCH}	\
285				${PLAT_INCLUDES}			\
286				${SPD_INCLUDES}
287
288include common/backtrace/backtrace.mk
289
290################################################################################
291# Generic definitions
292################################################################################
293
294include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
295
296BUILD_BASE		:=	./build
297BUILD_PLAT		:=	${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
298
299SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
300
301# Platforms providing their own TBB makefile may override this value
302INCLUDE_TBBR_MK		:=	1
303
304
305################################################################################
306# Include SPD Makefile if one has been specified
307################################################################################
308
309ifneq (${SPD},none)
310ifeq (${ARCH},aarch32)
311        $(error "Error: SPD is incompatible with AArch32.")
312endif
313ifdef EL3_PAYLOAD_BASE
314        $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
315        $(warning "The SPD and its BL32 companion will be present but ignored.")
316endif
317        # We expect to locate an spd.mk under the specified SPD directory
318        SPD_MAKE	:=	$(wildcard services/spd/${SPD}/${SPD}.mk)
319
320        ifeq (${SPD_MAKE},)
321                $(error Error: No services/spd/${SPD}/${SPD}.mk located)
322        endif
323        $(info Including ${SPD_MAKE})
324        include ${SPD_MAKE}
325
326        # If there's BL32 companion for the chosen SPD, we expect that the SPD's
327        # Makefile would set NEED_BL32 to "yes". In this case, the build system
328        # supports two mutually exclusive options:
329        # * BL32 is built from source: then BL32_SOURCES must contain the list
330        #   of source files to build BL32
331        # * BL32 is a prebuilt binary: then BL32 must point to the image file
332        #   that will be included in the FIP
333        # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
334        # over the sources.
335endif
336
337################################################################################
338# Include the platform specific Makefile after the SPD Makefile (the platform
339# makefile may use all previous definitions in this file)
340################################################################################
341
342include ${PLAT_MAKEFILE_FULL}
343
344$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT}))
345
346ifeq (${ARM_ARCH_MAJOR},7)
347include make_helpers/armv7-a-cpus.mk
348endif
349
350ifeq ($(ENABLE_PIE),1)
351    TF_CFLAGS		+=	-fpie
352    TF_LDFLAGS		+=	-pie --no-dynamic-linker
353else
354    PIE_FOUND		:=	$(findstring --enable-default-pie,${GCC_V_OUTPUT})
355    ifneq ($(PIE_FOUND),)
356        TF_CFLAGS		+=	-fno-PIE
357    endif
358endif
359
360# Include the CPU specific operations makefile, which provides default
361# values for all CPU errata workarounds and CPU specific optimisations.
362# This can be overridden by the platform.
363include lib/cpus/cpu-ops.mk
364
365ifeq (${ARCH},aarch32)
366NEED_BL32 := yes
367
368################################################################################
369# Build `AARCH32_SP` as BL32 image for AArch32
370################################################################################
371ifneq (${AARCH32_SP},none)
372# We expect to locate an sp.mk under the specified AARCH32_SP directory
373AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
374
375ifeq (${AARCH32_SP_MAKE},)
376  $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
377endif
378
379$(info Including ${AARCH32_SP_MAKE})
380include ${AARCH32_SP_MAKE}
381endif
382
383endif
384
385################################################################################
386# Include libc if not overridden
387################################################################################
388ifeq (${OVERRIDE_LIBC},0)
389include lib/libc/libc.mk
390endif
391
392################################################################################
393# Check incompatible options
394################################################################################
395
396ifdef EL3_PAYLOAD_BASE
397        ifdef PRELOADED_BL33_BASE
398                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
399                incompatible build options. EL3_PAYLOAD_BASE has priority.")
400        endif
401        ifneq (${GENERATE_COT},0)
402                $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.")
403        endif
404        ifneq (${TRUSTED_BOARD_BOOT},0)
405                $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.")
406        endif
407endif
408
409ifeq (${NEED_BL33},yes)
410        ifdef EL3_PAYLOAD_BASE
411                $(warning "BL33 image is not needed when option \
412                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
413        endif
414        ifdef PRELOADED_BL33_BASE
415                $(warning "BL33 image is not needed when option \
416                PRELOADED_BL33_BASE is used and won't be added to the FIP \
417                file.")
418        endif
419endif
420
421# When building for systems with hardware-assisted coherency, there's no need to
422# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
423ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
424$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
425endif
426
427#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1.
428ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1)
429$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled")
430endif
431
432# For RAS_EXTENSION, require that EAs are handled in EL3 first
433ifeq ($(RAS_EXTENSION),1)
434    ifneq ($(HANDLE_EA_EL3_FIRST),1)
435        $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1)
436    endif
437endif
438
439# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled
440ifeq ($(FAULT_INJECTION_SUPPORT),1)
441    ifneq ($(RAS_EXTENSION),1)
442        $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1)
443    endif
444endif
445
446# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1
447ifeq ($(DYN_DISABLE_AUTH), 1)
448    ifeq (${TRUSTED_BOARD_BOOT}, 0)
449        $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.")
450    endif
451endif
452
453# If pointer authentication is used in the firmware, make sure that all the
454# registers associated to it are also saved and restored. Not doing it would
455# leak the value of the key used by EL3 to EL1 and S-EL1.
456ifeq ($(ENABLE_PAUTH),1)
457    ifeq ($(CTX_INCLUDE_PAUTH_REGS),0)
458        $(error ENABLE_PAUTH=1 requires CTX_INCLUDE_PAUTH_REGS=1)
459    else
460        $(info ENABLE_PAUTH and CTX_INCLUDE_PAUTH_REGS are experimental features)
461    endif
462else
463    ifeq ($(CTX_INCLUDE_PAUTH_REGS),1)
464        $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature)
465    endif
466endif
467
468################################################################################
469# Process platform overrideable behaviour
470################################################################################
471
472# Using the ARM Trusted Firmware BL2 implies that a BL33 image also needs to be
473# supplied for the FIP and Certificate generation tools. This flag can be
474# overridden by the platform.
475ifdef BL2_SOURCES
476        ifdef EL3_PAYLOAD_BASE
477                # If booting an EL3 payload there is no need for a BL33 image
478                # in the FIP file.
479                NEED_BL33		:=	no
480        else
481                ifdef PRELOADED_BL33_BASE
482                        # If booting a BL33 preloaded image there is no need of
483                        # another one in the FIP file.
484                        NEED_BL33		:=	no
485                else
486                        NEED_BL33		?=	yes
487                endif
488        endif
489endif
490
491# If SCP_BL2 is given, we always want FIP to include it.
492ifdef SCP_BL2
493        NEED_SCP_BL2		:=	yes
494endif
495
496# For AArch32, BL31 is not currently supported.
497ifneq (${ARCH},aarch32)
498    ifdef BL31_SOURCES
499        # When booting an EL3 payload, there is no need to compile the BL31 image nor
500        # put it in the FIP.
501        ifndef EL3_PAYLOAD_BASE
502            NEED_BL31 := yes
503        endif
504    endif
505endif
506
507# Process TBB related flags
508ifneq (${GENERATE_COT},0)
509        # Common cert_create options
510        ifneq (${CREATE_KEYS},0)
511                $(eval CRT_ARGS += -n)
512                $(eval FWU_CRT_ARGS += -n)
513                ifneq (${SAVE_KEYS},0)
514                        $(eval CRT_ARGS += -k)
515                        $(eval FWU_CRT_ARGS += -k)
516                endif
517        endif
518        # Include TBBR makefile (unless the platform indicates otherwise)
519        ifeq (${INCLUDE_TBBR_MK},1)
520                include make_helpers/tbbr/tbbr_tools.mk
521        endif
522endif
523
524ifneq (${FIP_ALIGN},0)
525FIP_ARGS += --align ${FIP_ALIGN}
526endif
527
528################################################################################
529# Include libraries' Makefile that are used in all BL
530################################################################################
531
532include lib/stack_protector/stack_protector.mk
533
534################################################################################
535# Auxiliary tools (fiptool, cert_create, etc)
536################################################################################
537
538# Variables for use with Certificate Generation Tool
539CRTTOOLPATH		?=	tools/cert_create
540CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
541
542# Variables for use with Firmware Image Package
543FIPTOOLPATH		?=	tools/fiptool
544FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
545
546# Variables for use with sptool
547SPTOOLPATH		?=	tools/sptool
548SPTOOL			?=	${SPTOOLPATH}/sptool${BIN_EXT}
549
550# Variables for use with ROMLIB
551ROMLIBPATH		?=	lib/romlib
552
553################################################################################
554# Include BL specific makefiles
555################################################################################
556ifdef BL1_SOURCES
557NEED_BL1 := yes
558include bl1/bl1.mk
559endif
560
561ifdef BL2_SOURCES
562NEED_BL2 := yes
563include bl2/bl2.mk
564endif
565
566ifdef BL2U_SOURCES
567NEED_BL2U := yes
568include bl2u/bl2u.mk
569endif
570
571ifeq (${NEED_BL31},yes)
572ifdef BL31_SOURCES
573include bl31/bl31.mk
574endif
575endif
576
577ifdef FDT_SOURCES
578NEED_FDT := yes
579endif
580
581################################################################################
582# Build options checks
583################################################################################
584
585$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
586$(eval $(call assert_boolean,CREATE_KEYS))
587$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
588$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
589$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS))
590$(eval $(call assert_boolean,DEBUG))
591$(eval $(call assert_boolean,DYN_DISABLE_AUTH))
592$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING))
593$(eval $(call assert_boolean,ENABLE_AMU))
594$(eval $(call assert_boolean,ENABLE_ASSERTIONS))
595$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS))
596$(eval $(call assert_boolean,ENABLE_PAUTH))
597$(eval $(call assert_boolean,ENABLE_PIE))
598$(eval $(call assert_boolean,ENABLE_PMF))
599$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
600$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
601$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS))
602$(eval $(call assert_boolean,ENABLE_SPM))
603$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS))
604$(eval $(call assert_boolean,ERROR_DEPRECATED))
605$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT))
606$(eval $(call assert_boolean,GENERATE_COT))
607$(eval $(call assert_boolean,GICV2_G0_FOR_EL3))
608$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST))
609$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY))
610$(eval $(call assert_boolean,MULTI_CONSOLE_API))
611$(eval $(call assert_boolean,NS_TIMER_SWITCH))
612$(eval $(call assert_boolean,OVERRIDE_LIBC))
613$(eval $(call assert_boolean,PL011_GENERIC_UART))
614$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
615$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
616$(eval $(call assert_boolean,RAS_EXTENSION))
617$(eval $(call assert_boolean,RESET_TO_BL31))
618$(eval $(call assert_boolean,SAVE_KEYS))
619$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
620$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
621$(eval $(call assert_boolean,SPM_MM))
622$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
623$(eval $(call assert_boolean,USE_COHERENT_MEM))
624$(eval $(call assert_boolean,USE_ROMLIB))
625$(eval $(call assert_boolean,USE_TBBR_DEFS))
626$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY))
627$(eval $(call assert_boolean,BL2_AT_EL3))
628$(eval $(call assert_boolean,BL2_IN_XIP_MEM))
629
630$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
631$(eval $(call assert_numeric,ARM_ARCH_MINOR))
632
633################################################################################
634# Add definitions to the cpp preprocessor based on the current build options.
635# This is done after including the platform specific makefile to allow the
636# platform to overwrite the default options
637################################################################################
638
639$(eval $(call add_define,ARM_ARCH_MAJOR))
640$(eval $(call add_define,ARM_ARCH_MINOR))
641$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
642$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
643$(eval $(call add_define,CTX_INCLUDE_FPREGS))
644$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS))
645$(eval $(call add_define,EL3_EXCEPTION_HANDLING))
646$(eval $(call add_define,ENABLE_AMU))
647$(eval $(call add_define,ENABLE_ASSERTIONS))
648$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS))
649$(eval $(call add_define,ENABLE_PAUTH))
650$(eval $(call add_define,ENABLE_PIE))
651$(eval $(call add_define,ENABLE_PMF))
652$(eval $(call add_define,ENABLE_PSCI_STAT))
653$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
654$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS))
655$(eval $(call add_define,ENABLE_SPM))
656$(eval $(call add_define,ENABLE_SVE_FOR_NS))
657$(eval $(call add_define,ERROR_DEPRECATED))
658$(eval $(call add_define,FAULT_INJECTION_SUPPORT))
659$(eval $(call add_define,GICV2_G0_FOR_EL3))
660$(eval $(call add_define,HANDLE_EA_EL3_FIRST))
661$(eval $(call add_define,HW_ASSISTED_COHERENCY))
662$(eval $(call add_define,LOG_LEVEL))
663$(eval $(call add_define,MULTI_CONSOLE_API))
664$(eval $(call add_define,NS_TIMER_SWITCH))
665$(eval $(call add_define,PL011_GENERIC_UART))
666$(eval $(call add_define,PLAT_${PLAT}))
667$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
668$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
669$(eval $(call add_define,RAS_EXTENSION))
670$(eval $(call add_define,RESET_TO_BL31))
671$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
672$(eval $(call add_define,RECLAIM_INIT_CODE))
673$(eval $(call add_define,SPD_${SPD}))
674$(eval $(call add_define,SPIN_ON_BL1_EXIT))
675$(eval $(call add_define,SPM_MM))
676$(eval $(call add_define,TRUSTED_BOARD_BOOT))
677$(eval $(call add_define,USE_COHERENT_MEM))
678$(eval $(call add_define,USE_ROMLIB))
679$(eval $(call add_define,USE_TBBR_DEFS))
680$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY))
681$(eval $(call add_define,BL2_AT_EL3))
682$(eval $(call add_define,BL2_IN_XIP_MEM))
683
684# Define the EL3_PAYLOAD_BASE flag only if it is provided.
685ifdef EL3_PAYLOAD_BASE
686        $(eval $(call add_define,EL3_PAYLOAD_BASE))
687else
688        # Define the PRELOADED_BL33_BASE flag only if it is provided and
689        # EL3_PAYLOAD_BASE is not defined, as it has priority.
690        ifdef PRELOADED_BL33_BASE
691                $(eval $(call add_define,PRELOADED_BL33_BASE))
692        endif
693endif
694# Define the AARCH32/AARCH64 flag based on the ARCH flag
695ifeq (${ARCH},aarch32)
696        $(eval $(call add_define,AARCH32))
697else
698        $(eval $(call add_define,AARCH64))
699endif
700
701# Define the DYN_DISABLE_AUTH flag only if set.
702ifeq (${DYN_DISABLE_AUTH},1)
703$(eval $(call add_define,DYN_DISABLE_AUTH))
704endif
705
706ifneq ($(findstring armlink,$(notdir $(LD))),)
707$(eval $(call add_define,USE_ARM_LINK))
708endif
709
710################################################################################
711# Build targets
712################################################################################
713
714.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip fwu_fip certtool dtbs
715.SUFFIXES:
716
717all: msg_start
718
719msg_start:
720	@echo "Building ${PLAT}"
721
722# Check if deprecated declarations and cpp warnings should be treated as error or not.
723ifeq (${ERROR_DEPRECATED},0)
724ifneq ($(findstring clang,$(notdir $(CC))),)
725    CPPFLAGS		+= 	-Wno-error=deprecated-declarations
726else
727    CPPFLAGS		+= 	-Wno-error=deprecated-declarations -Wno-error=cpp
728endif
729endif
730
731$(eval $(call MAKE_LIB_DIRS))
732$(eval $(call MAKE_LIB,c))
733
734# Expand build macros for the different images
735ifeq (${NEED_BL1},yes)
736$(eval $(call MAKE_BL,1))
737endif
738
739ifeq (${NEED_BL2},yes)
740ifeq (${BL2_AT_EL3}, 0)
741FIP_BL2_ARGS := tb-fw
742endif
743
744$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
745	$(eval $(call MAKE_BL,2,${FIP_BL2_ARGS})))
746endif
747
748ifeq (${NEED_SCP_BL2},yes)
749$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw))
750endif
751
752ifeq (${NEED_BL31},yes)
753BL31_SOURCES += ${SPD_SOURCES}
754$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
755	$(eval $(call MAKE_BL,31,soc-fw)))
756endif
757
758# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
759# build system will call TOOL_ADD_IMG to print a warning message and abort the
760# process. Note that the dependency on BL32 applies to the FIP only.
761ifeq (${NEED_BL32},yes)
762
763BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
764
765$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\
766	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
767endif
768
769# Add the BL33 image if required by the platform
770ifeq (${NEED_BL33},yes)
771$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
772endif
773
774ifeq (${NEED_BL2U},yes)
775$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\
776	$(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_)))
777endif
778
779# Expand build macros for the different images
780ifeq (${NEED_FDT},yes)
781    $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
782endif
783
784locate-checkpatch:
785ifndef CHECKPATCH
786	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
787else
788ifeq (,$(wildcard ${CHECKPATCH}))
789	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
790endif
791endif
792
793clean:
794	@echo "  CLEAN"
795	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
796	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
797	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
798	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
799
800realclean distclean:
801	@echo "  REALCLEAN"
802	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
803	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
804	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
805	${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean
806	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
807	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
808
809checkcodebase:		locate-checkpatch
810	@echo "  CHECKING STYLE"
811	@if test -d .git ; then						\
812		git ls-files | grep -E -v 'libfdt|libc|docs|\.md' |	\
813		while read GIT_FILE ;					\
814		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
815		done ;							\
816	else								\
817		 find . -type f -not -iwholename "*.git*"		\
818		 -not -iwholename "*build*"				\
819		 -not -iwholename "*libfdt*"				\
820		 -not -iwholename "*libc*"				\
821		 -not -iwholename "*docs*"				\
822		 -not -iwholename "*.md"				\
823		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
824	fi
825
826checkpatch:		locate-checkpatch
827	@echo "  CHECKING STYLE"
828	@if test -n "${CHECKPATCH_OPTS}"; then				\
829		echo "    with ${CHECKPATCH_OPTS} option(s)";		\
830	fi
831	${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT});	\
832	for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do		\
833		printf "\n[*] Checking style of '$$commit'\n\n";	\
834		git log --format=email "$$commit~..$$commit"		\
835			-- ${CHECK_PATHS} |				\
836			${CHECKPATCH} ${CHECKPATCH_OPTS} - || true;	\
837		git diff --format=email "$$commit~..$$commit"		\
838			-- ${CHECK_PATHS} |				\
839			${CHECKPATCH}  ${CHECKPATCH_OPTS} - || true;	\
840	done
841
842certtool: ${CRTTOOL}
843
844.PHONY: ${CRTTOOL}
845${CRTTOOL}:
846	${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH}
847	@${ECHO_BLANK_LINE}
848	@echo "Built $@ successfully"
849	@${ECHO_BLANK_LINE}
850
851ifneq (${GENERATE_COT},0)
852certificates: ${CRT_DEPS} ${CRTTOOL}
853	${Q}${CRTTOOL} ${CRT_ARGS}
854	@${ECHO_BLANK_LINE}
855	@echo "Built $@ successfully"
856	@echo "Certificates can be found in ${BUILD_PLAT}"
857	@${ECHO_BLANK_LINE}
858endif
859
860${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
861	${Q}${FIPTOOL} create ${FIP_ARGS} $@
862	${Q}${FIPTOOL} info $@
863	@${ECHO_BLANK_LINE}
864	@echo "Built $@ successfully"
865	@${ECHO_BLANK_LINE}
866
867ifneq (${GENERATE_COT},0)
868fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
869	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
870	@${ECHO_BLANK_LINE}
871	@echo "Built $@ successfully"
872	@echo "FWU certificates can be found in ${BUILD_PLAT}"
873	@${ECHO_BLANK_LINE}
874endif
875
876${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
877	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
878	${Q}${FIPTOOL} info $@
879	@${ECHO_BLANK_LINE}
880	@echo "Built $@ successfully"
881	@${ECHO_BLANK_LINE}
882
883fiptool: ${FIPTOOL}
884fip: ${BUILD_PLAT}/${FIP_NAME}
885fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
886
887.PHONY: ${FIPTOOL}
888${FIPTOOL}:
889	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH}
890
891sptool: ${SPTOOL}
892.PHONY: ${SPTOOL}
893${SPTOOL}:
894	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH}
895
896.PHONY: libraries
897romlib.bin: libraries
898	${Q}${MAKE} PLAT_DIR=${PLAT_DIR} BUILD_PLAT=${BUILD_PLAT} INCLUDES='${INCLUDES}' DEFINES='${DEFINES}' --no-print-directory -C ${ROMLIBPATH} all
899
900cscope:
901	@echo "  CSCOPE"
902	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
903	${Q}cscope -b -q -k
904
905help:
906	@echo "usage: ${MAKE} PLAT=<${PLATFORM_LIST}> [OPTIONS] [TARGET]"
907	@echo ""
908	@echo "PLAT is used to specify which platform you wish to build."
909	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
910	@echo ""
911	@echo "Please refer to the User Guide for a list of all supported options."
912	@echo "Note that the build system doesn't track dependencies for build "
913	@echo "options. Therefore, if any of the build options are changed "
914	@echo "from a previous build, a clean build must be performed."
915	@echo ""
916	@echo "Supported Targets:"
917	@echo "  all            Build all individual bootloader binaries"
918	@echo "  bl1            Build the BL1 binary"
919	@echo "  bl2            Build the BL2 binary"
920	@echo "  bl2u           Build the BL2U binary"
921	@echo "  bl31           Build the BL31 binary"
922	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
923	@echo "                 this builds secure payload specified by AARCH32_SP"
924	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
925	@echo "  fip            Build the Firmware Image Package (FIP)"
926	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
927	@echo "  checkcodebase  Check the coding style of the entire source tree"
928	@echo "  checkpatch     Check the coding style on changes in the current"
929	@echo "                 branch against BASE_COMMIT (default origin/master)"
930	@echo "  clean          Clean the build for the selected platform"
931	@echo "  cscope         Generate cscope index"
932	@echo "  distclean      Remove all build artifacts for all platforms"
933	@echo "  certtool       Build the Certificate generation tool"
934	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
935	@echo "  sptool         Build the Secure Partition Package creation tool"
936	@echo "  dtbs           Build the Device Tree Blobs (if required for the platform)"
937	@echo ""
938	@echo "Note: most build targets require PLAT to be set to a specific platform."
939	@echo ""
940	@echo "example: build all targets for the FVP platform:"
941	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
942