xref: /rk3399_ARM-atf/Makefile (revision f56afc1f59a66cf0d19f53d5ff848628d21676ca)
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    ifneq ($(ARCH),aarch64)
458        $(error ENABLE_PAUTH=1 requires AArch64)
459    else ifeq ($(CTX_INCLUDE_PAUTH_REGS),0)
460        $(error ENABLE_PAUTH=1 requires CTX_INCLUDE_PAUTH_REGS=1)
461    else
462        $(info ENABLE_PAUTH and CTX_INCLUDE_PAUTH_REGS are experimental features)
463    endif
464else
465    ifeq ($(CTX_INCLUDE_PAUTH_REGS),1)
466        ifneq ($(ARCH),aarch64)
467            $(error CTX_INCLUDE_PAUTH_REGS=1 requires AArch64)
468        else
469            $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature)
470        endif
471    endif
472endif
473
474################################################################################
475# Process platform overrideable behaviour
476################################################################################
477
478# Using the ARM Trusted Firmware BL2 implies that a BL33 image also needs to be
479# supplied for the FIP and Certificate generation tools. This flag can be
480# overridden by the platform.
481ifdef BL2_SOURCES
482        ifdef EL3_PAYLOAD_BASE
483                # If booting an EL3 payload there is no need for a BL33 image
484                # in the FIP file.
485                NEED_BL33		:=	no
486        else
487                ifdef PRELOADED_BL33_BASE
488                        # If booting a BL33 preloaded image there is no need of
489                        # another one in the FIP file.
490                        NEED_BL33		:=	no
491                else
492                        NEED_BL33		?=	yes
493                endif
494        endif
495endif
496
497# If SCP_BL2 is given, we always want FIP to include it.
498ifdef SCP_BL2
499        NEED_SCP_BL2		:=	yes
500endif
501
502# For AArch32, BL31 is not currently supported.
503ifneq (${ARCH},aarch32)
504    ifdef BL31_SOURCES
505        # When booting an EL3 payload, there is no need to compile the BL31 image nor
506        # put it in the FIP.
507        ifndef EL3_PAYLOAD_BASE
508            NEED_BL31 := yes
509        endif
510    endif
511endif
512
513# Process TBB related flags
514ifneq (${GENERATE_COT},0)
515        # Common cert_create options
516        ifneq (${CREATE_KEYS},0)
517                $(eval CRT_ARGS += -n)
518                $(eval FWU_CRT_ARGS += -n)
519                ifneq (${SAVE_KEYS},0)
520                        $(eval CRT_ARGS += -k)
521                        $(eval FWU_CRT_ARGS += -k)
522                endif
523        endif
524        # Include TBBR makefile (unless the platform indicates otherwise)
525        ifeq (${INCLUDE_TBBR_MK},1)
526                include make_helpers/tbbr/tbbr_tools.mk
527        endif
528endif
529
530ifneq (${FIP_ALIGN},0)
531FIP_ARGS += --align ${FIP_ALIGN}
532endif
533
534################################################################################
535# Include libraries' Makefile that are used in all BL
536################################################################################
537
538include lib/stack_protector/stack_protector.mk
539
540################################################################################
541# Auxiliary tools (fiptool, cert_create, etc)
542################################################################################
543
544# Variables for use with Certificate Generation Tool
545CRTTOOLPATH		?=	tools/cert_create
546CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
547
548# Variables for use with Firmware Image Package
549FIPTOOLPATH		?=	tools/fiptool
550FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
551
552# Variables for use with sptool
553SPTOOLPATH		?=	tools/sptool
554SPTOOL			?=	${SPTOOLPATH}/sptool${BIN_EXT}
555
556# Variables for use with ROMLIB
557ROMLIBPATH		?=	lib/romlib
558
559################################################################################
560# Include BL specific makefiles
561################################################################################
562ifdef BL1_SOURCES
563NEED_BL1 := yes
564include bl1/bl1.mk
565endif
566
567ifdef BL2_SOURCES
568NEED_BL2 := yes
569include bl2/bl2.mk
570endif
571
572ifdef BL2U_SOURCES
573NEED_BL2U := yes
574include bl2u/bl2u.mk
575endif
576
577ifeq (${NEED_BL31},yes)
578ifdef BL31_SOURCES
579include bl31/bl31.mk
580endif
581endif
582
583ifdef FDT_SOURCES
584NEED_FDT := yes
585endif
586
587################################################################################
588# Build options checks
589################################################################################
590
591$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
592$(eval $(call assert_boolean,CREATE_KEYS))
593$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
594$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
595$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS))
596$(eval $(call assert_boolean,DEBUG))
597$(eval $(call assert_boolean,DYN_DISABLE_AUTH))
598$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING))
599$(eval $(call assert_boolean,ENABLE_AMU))
600$(eval $(call assert_boolean,ENABLE_ASSERTIONS))
601$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS))
602$(eval $(call assert_boolean,ENABLE_PAUTH))
603$(eval $(call assert_boolean,ENABLE_PIE))
604$(eval $(call assert_boolean,ENABLE_PMF))
605$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
606$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
607$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS))
608$(eval $(call assert_boolean,ENABLE_SPM))
609$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS))
610$(eval $(call assert_boolean,ERROR_DEPRECATED))
611$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT))
612$(eval $(call assert_boolean,GENERATE_COT))
613$(eval $(call assert_boolean,GICV2_G0_FOR_EL3))
614$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST))
615$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY))
616$(eval $(call assert_boolean,MULTI_CONSOLE_API))
617$(eval $(call assert_boolean,NS_TIMER_SWITCH))
618$(eval $(call assert_boolean,OVERRIDE_LIBC))
619$(eval $(call assert_boolean,PL011_GENERIC_UART))
620$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
621$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
622$(eval $(call assert_boolean,RAS_EXTENSION))
623$(eval $(call assert_boolean,RESET_TO_BL31))
624$(eval $(call assert_boolean,SAVE_KEYS))
625$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
626$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
627$(eval $(call assert_boolean,SPM_MM))
628$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
629$(eval $(call assert_boolean,USE_COHERENT_MEM))
630$(eval $(call assert_boolean,USE_ROMLIB))
631$(eval $(call assert_boolean,USE_TBBR_DEFS))
632$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY))
633$(eval $(call assert_boolean,BL2_AT_EL3))
634$(eval $(call assert_boolean,BL2_IN_XIP_MEM))
635
636$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
637$(eval $(call assert_numeric,ARM_ARCH_MINOR))
638
639################################################################################
640# Add definitions to the cpp preprocessor based on the current build options.
641# This is done after including the platform specific makefile to allow the
642# platform to overwrite the default options
643################################################################################
644
645$(eval $(call add_define,ARM_ARCH_MAJOR))
646$(eval $(call add_define,ARM_ARCH_MINOR))
647$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
648$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
649$(eval $(call add_define,CTX_INCLUDE_FPREGS))
650$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS))
651$(eval $(call add_define,EL3_EXCEPTION_HANDLING))
652$(eval $(call add_define,ENABLE_AMU))
653$(eval $(call add_define,ENABLE_ASSERTIONS))
654$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS))
655$(eval $(call add_define,ENABLE_PAUTH))
656$(eval $(call add_define,ENABLE_PIE))
657$(eval $(call add_define,ENABLE_PMF))
658$(eval $(call add_define,ENABLE_PSCI_STAT))
659$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
660$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS))
661$(eval $(call add_define,ENABLE_SPM))
662$(eval $(call add_define,ENABLE_SVE_FOR_NS))
663$(eval $(call add_define,ERROR_DEPRECATED))
664$(eval $(call add_define,FAULT_INJECTION_SUPPORT))
665$(eval $(call add_define,GICV2_G0_FOR_EL3))
666$(eval $(call add_define,HANDLE_EA_EL3_FIRST))
667$(eval $(call add_define,HW_ASSISTED_COHERENCY))
668$(eval $(call add_define,LOG_LEVEL))
669$(eval $(call add_define,MULTI_CONSOLE_API))
670$(eval $(call add_define,NS_TIMER_SWITCH))
671$(eval $(call add_define,PL011_GENERIC_UART))
672$(eval $(call add_define,PLAT_${PLAT}))
673$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
674$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
675$(eval $(call add_define,RAS_EXTENSION))
676$(eval $(call add_define,RESET_TO_BL31))
677$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
678$(eval $(call add_define,RECLAIM_INIT_CODE))
679$(eval $(call add_define,SPD_${SPD}))
680$(eval $(call add_define,SPIN_ON_BL1_EXIT))
681$(eval $(call add_define,SPM_MM))
682$(eval $(call add_define,TRUSTED_BOARD_BOOT))
683$(eval $(call add_define,USE_COHERENT_MEM))
684$(eval $(call add_define,USE_ROMLIB))
685$(eval $(call add_define,USE_TBBR_DEFS))
686$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY))
687$(eval $(call add_define,BL2_AT_EL3))
688$(eval $(call add_define,BL2_IN_XIP_MEM))
689
690# Define the EL3_PAYLOAD_BASE flag only if it is provided.
691ifdef EL3_PAYLOAD_BASE
692        $(eval $(call add_define,EL3_PAYLOAD_BASE))
693else
694        # Define the PRELOADED_BL33_BASE flag only if it is provided and
695        # EL3_PAYLOAD_BASE is not defined, as it has priority.
696        ifdef PRELOADED_BL33_BASE
697                $(eval $(call add_define,PRELOADED_BL33_BASE))
698        endif
699endif
700# Define the AARCH32/AARCH64 flag based on the ARCH flag
701ifeq (${ARCH},aarch32)
702        $(eval $(call add_define,AARCH32))
703else
704        $(eval $(call add_define,AARCH64))
705endif
706
707# Define the DYN_DISABLE_AUTH flag only if set.
708ifeq (${DYN_DISABLE_AUTH},1)
709$(eval $(call add_define,DYN_DISABLE_AUTH))
710endif
711
712ifneq ($(findstring armlink,$(notdir $(LD))),)
713$(eval $(call add_define,USE_ARM_LINK))
714endif
715
716################################################################################
717# Build targets
718################################################################################
719
720.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip fwu_fip certtool dtbs
721.SUFFIXES:
722
723all: msg_start
724
725msg_start:
726	@echo "Building ${PLAT}"
727
728# Check if deprecated declarations and cpp warnings should be treated as error or not.
729ifeq (${ERROR_DEPRECATED},0)
730ifneq ($(findstring clang,$(notdir $(CC))),)
731    CPPFLAGS		+= 	-Wno-error=deprecated-declarations
732else
733    CPPFLAGS		+= 	-Wno-error=deprecated-declarations -Wno-error=cpp
734endif
735endif
736
737$(eval $(call MAKE_LIB_DIRS))
738$(eval $(call MAKE_LIB,c))
739
740# Expand build macros for the different images
741ifeq (${NEED_BL1},yes)
742$(eval $(call MAKE_BL,1))
743endif
744
745ifeq (${NEED_BL2},yes)
746ifeq (${BL2_AT_EL3}, 0)
747FIP_BL2_ARGS := tb-fw
748endif
749
750$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
751	$(eval $(call MAKE_BL,2,${FIP_BL2_ARGS})))
752endif
753
754ifeq (${NEED_SCP_BL2},yes)
755$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw))
756endif
757
758ifeq (${NEED_BL31},yes)
759BL31_SOURCES += ${SPD_SOURCES}
760$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
761	$(eval $(call MAKE_BL,31,soc-fw)))
762endif
763
764# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
765# build system will call TOOL_ADD_IMG to print a warning message and abort the
766# process. Note that the dependency on BL32 applies to the FIP only.
767ifeq (${NEED_BL32},yes)
768
769BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
770
771$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\
772	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
773endif
774
775# Add the BL33 image if required by the platform
776ifeq (${NEED_BL33},yes)
777$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
778endif
779
780ifeq (${NEED_BL2U},yes)
781$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\
782	$(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_)))
783endif
784
785# Expand build macros for the different images
786ifeq (${NEED_FDT},yes)
787    $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
788endif
789
790locate-checkpatch:
791ifndef CHECKPATCH
792	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
793else
794ifeq (,$(wildcard ${CHECKPATCH}))
795	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
796endif
797endif
798
799clean:
800	@echo "  CLEAN"
801	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
802	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
803	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
804	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
805
806realclean distclean:
807	@echo "  REALCLEAN"
808	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
809	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
810	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
811	${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean
812	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
813	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
814
815checkcodebase:		locate-checkpatch
816	@echo "  CHECKING STYLE"
817	@if test -d .git ; then						\
818		git ls-files | grep -E -v 'libfdt|libc|docs|\.md' |	\
819		while read GIT_FILE ;					\
820		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
821		done ;							\
822	else								\
823		 find . -type f -not -iwholename "*.git*"		\
824		 -not -iwholename "*build*"				\
825		 -not -iwholename "*libfdt*"				\
826		 -not -iwholename "*libc*"				\
827		 -not -iwholename "*docs*"				\
828		 -not -iwholename "*.md"				\
829		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
830	fi
831
832checkpatch:		locate-checkpatch
833	@echo "  CHECKING STYLE"
834	@if test -n "${CHECKPATCH_OPTS}"; then				\
835		echo "    with ${CHECKPATCH_OPTS} option(s)";		\
836	fi
837	${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT});	\
838	for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do		\
839		printf "\n[*] Checking style of '$$commit'\n\n";	\
840		git log --format=email "$$commit~..$$commit"		\
841			-- ${CHECK_PATHS} |				\
842			${CHECKPATCH} ${CHECKPATCH_OPTS} - || true;	\
843		git diff --format=email "$$commit~..$$commit"		\
844			-- ${CHECK_PATHS} |				\
845			${CHECKPATCH}  ${CHECKPATCH_OPTS} - || true;	\
846	done
847
848certtool: ${CRTTOOL}
849
850.PHONY: ${CRTTOOL}
851${CRTTOOL}:
852	${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH}
853	@${ECHO_BLANK_LINE}
854	@echo "Built $@ successfully"
855	@${ECHO_BLANK_LINE}
856
857ifneq (${GENERATE_COT},0)
858certificates: ${CRT_DEPS} ${CRTTOOL}
859	${Q}${CRTTOOL} ${CRT_ARGS}
860	@${ECHO_BLANK_LINE}
861	@echo "Built $@ successfully"
862	@echo "Certificates can be found in ${BUILD_PLAT}"
863	@${ECHO_BLANK_LINE}
864endif
865
866${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
867	${Q}${FIPTOOL} create ${FIP_ARGS} $@
868	${Q}${FIPTOOL} info $@
869	@${ECHO_BLANK_LINE}
870	@echo "Built $@ successfully"
871	@${ECHO_BLANK_LINE}
872
873ifneq (${GENERATE_COT},0)
874fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
875	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
876	@${ECHO_BLANK_LINE}
877	@echo "Built $@ successfully"
878	@echo "FWU certificates can be found in ${BUILD_PLAT}"
879	@${ECHO_BLANK_LINE}
880endif
881
882${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
883	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
884	${Q}${FIPTOOL} info $@
885	@${ECHO_BLANK_LINE}
886	@echo "Built $@ successfully"
887	@${ECHO_BLANK_LINE}
888
889fiptool: ${FIPTOOL}
890fip: ${BUILD_PLAT}/${FIP_NAME}
891fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
892
893.PHONY: ${FIPTOOL}
894${FIPTOOL}:
895	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH}
896
897sptool: ${SPTOOL}
898.PHONY: ${SPTOOL}
899${SPTOOL}:
900	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH}
901
902.PHONY: libraries
903romlib.bin: libraries
904	${Q}${MAKE} PLAT_DIR=${PLAT_DIR} BUILD_PLAT=${BUILD_PLAT} INCLUDES='${INCLUDES}' DEFINES='${DEFINES}' --no-print-directory -C ${ROMLIBPATH} all
905
906cscope:
907	@echo "  CSCOPE"
908	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
909	${Q}cscope -b -q -k
910
911help:
912	@echo "usage: ${MAKE} PLAT=<${PLATFORM_LIST}> [OPTIONS] [TARGET]"
913	@echo ""
914	@echo "PLAT is used to specify which platform you wish to build."
915	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
916	@echo ""
917	@echo "Please refer to the User Guide for a list of all supported options."
918	@echo "Note that the build system doesn't track dependencies for build "
919	@echo "options. Therefore, if any of the build options are changed "
920	@echo "from a previous build, a clean build must be performed."
921	@echo ""
922	@echo "Supported Targets:"
923	@echo "  all            Build all individual bootloader binaries"
924	@echo "  bl1            Build the BL1 binary"
925	@echo "  bl2            Build the BL2 binary"
926	@echo "  bl2u           Build the BL2U binary"
927	@echo "  bl31           Build the BL31 binary"
928	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
929	@echo "                 this builds secure payload specified by AARCH32_SP"
930	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
931	@echo "  fip            Build the Firmware Image Package (FIP)"
932	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
933	@echo "  checkcodebase  Check the coding style of the entire source tree"
934	@echo "  checkpatch     Check the coding style on changes in the current"
935	@echo "                 branch against BASE_COMMIT (default origin/master)"
936	@echo "  clean          Clean the build for the selected platform"
937	@echo "  cscope         Generate cscope index"
938	@echo "  distclean      Remove all build artifacts for all platforms"
939	@echo "  certtool       Build the Certificate generation tool"
940	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
941	@echo "  sptool         Build the Secure Partition Package creation tool"
942	@echo "  dtbs           Build the Device Tree Blobs (if required for the platform)"
943	@echo ""
944	@echo "Note: most build targets require PLAT to be set to a specific platform."
945	@echo ""
946	@echo "example: build all targets for the FVP platform:"
947	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
948