xref: /rk3399_ARM-atf/Makefile (revision a9a4d23a7d6a810fc3e71ba9d7dac414519d0bf6)
1#
2# Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are met:
6#
7# Redistributions of source code must retain the above copyright notice, this
8# list of conditions and the following disclaimer.
9#
10# Redistributions in binary form must reproduce the above copyright notice,
11# this list of conditions and the following disclaimer in the documentation
12# and/or other materials provided with the distribution.
13#
14# Neither the name of ARM nor the names of its contributors may be used
15# to endorse or promote products derived from this software without specific
16# prior written permission.
17#
18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28# POSSIBILITY OF SUCH DAMAGE.
29#
30
31#
32# Trusted Firmware Version
33#
34VERSION_MAJOR			:= 1
35VERSION_MINOR			:= 3
36
37# Default goal is build all images
38.DEFAULT_GOAL			:= all
39
40MAKE_HELPERS_DIRECTORY := make_helpers/
41include ${MAKE_HELPERS_DIRECTORY}build_macros.mk
42include ${MAKE_HELPERS_DIRECTORY}build_env.mk
43
44################################################################################
45# Default values for build configurations, and their dependencies
46################################################################################
47
48include ${MAKE_HELPERS_DIRECTORY}defaults.mk
49
50# ASM_ASSERTION enabled for DEBUG builds only
51ASM_ASSERTION			:= ${DEBUG}
52ENABLE_PMF			:= ${ENABLE_RUNTIME_INSTRUMENTATION}
53PLAT				:= ${DEFAULT_PLAT}
54
55################################################################################
56# Checkpatch script options
57################################################################################
58
59CHECKCODE_ARGS		:=	--no-patch
60# Do not check the coding style on imported library files or documentation files
61INC_LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
62					include/lib/libfdt		\
63					include/lib/stdlib,		\
64					$(wildcard include/lib/*)))
65INC_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
66					include/lib,			\
67					$(wildcard include/*)))
68LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
69					lib/libfdt%			\
70					lib/stdlib,			\
71					$(wildcard lib/*)))
72ROOT_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
73					lib				\
74					include				\
75					docs				\
76					%.md,				\
77					$(wildcard *)))
78CHECK_PATHS		:=	${ROOT_DIRS_TO_CHECK}			\
79				${INC_DIRS_TO_CHECK}			\
80				${INC_LIB_DIRS_TO_CHECK}		\
81				${LIB_DIRS_TO_CHECK}
82
83
84################################################################################
85# Process build options
86################################################################################
87
88# Verbose flag
89ifeq (${V},0)
90        Q:=@
91        CHECKCODE_ARGS	+=	--no-summary --terse
92else
93        Q:=
94endif
95export Q
96
97# Process Debug flag
98$(eval $(call add_define,DEBUG))
99ifneq (${DEBUG}, 0)
100        BUILD_TYPE	:=	debug
101        TF_CFLAGS	+= 	-g
102        ASFLAGS		+= 	-g -Wa,--gdwarf-2
103        # Use LOG_LEVEL_INFO by default for debug builds
104        LOG_LEVEL	:=	40
105else
106        BUILD_TYPE	:=	release
107        $(eval $(call add_define,NDEBUG))
108        # Use LOG_LEVEL_NOTICE by default for release builds
109        LOG_LEVEL	:=	20
110endif
111
112# Default build string (git branch and commit)
113ifeq (${BUILD_STRING},)
114        BUILD_STRING	:=	$(shell git log -n 1 --pretty=format:"%h")
115endif
116VERSION_STRING		:=	v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING}
117
118# The cert_create tool cannot generate certificates individually, so we use the
119# target 'certificates' to create them all
120ifneq (${GENERATE_COT},0)
121        FIP_DEPS += certificates
122        FWU_FIP_DEPS += fwu_certificates
123endif
124
125
126################################################################################
127# Toolchain
128################################################################################
129
130CC			:=	${CROSS_COMPILE}gcc
131CPP			:=	${CROSS_COMPILE}cpp
132AS			:=	${CROSS_COMPILE}gcc
133AR			:=	${CROSS_COMPILE}ar
134LD			:=	${CROSS_COMPILE}ld
135OC			:=	${CROSS_COMPILE}objcopy
136OD			:=	${CROSS_COMPILE}objdump
137NM			:=	${CROSS_COMPILE}nm
138PP			:=	${CROSS_COMPILE}gcc -E
139
140ASFLAGS_aarch64		=	-mgeneral-regs-only
141TF_CFLAGS_aarch64	=	-mgeneral-regs-only -mstrict-align
142
143ASFLAGS_aarch32		=	-march=armv8-a
144TF_CFLAGS_aarch32	=	-march=armv8-a
145
146CPPFLAGS		=	${DEFINES} ${INCLUDES} -nostdinc		\
147				-Wmissing-include-dirs -Werror
148ASFLAGS			+=	$(CPPFLAGS) $(ASFLAGS_$(ARCH))			\
149				-D__ASSEMBLY__ -ffreestanding 			\
150				-Wa,--fatal-warnings
151TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
152				-ffreestanding -fno-builtin -Wall -std=c99 -Os	\
153				-ffunction-sections -fdata-sections
154
155LDFLAGS			+=	--fatal-warnings -O1
156LDFLAGS			+=	--gc-sections
157
158
159################################################################################
160# Common sources and include directories
161################################################################################
162include lib/stdlib/stdlib.mk
163
164BL_COMMON_SOURCES	+=	common/bl_common.c			\
165				common/tf_printf.c			\
166				common/${ARCH}/debug.S			\
167				lib/${ARCH}/cache_helpers.S		\
168				lib/${ARCH}/misc_helpers.S		\
169				plat/common/${ARCH}/platform_helpers.S	\
170				${STDLIB_SRCS}
171
172INCLUDES		+=	-Iinclude/bl1				\
173				-Iinclude/bl31				\
174				-Iinclude/common			\
175				-Iinclude/common/${ARCH}		\
176				-Iinclude/drivers			\
177				-Iinclude/drivers/arm			\
178				-Iinclude/drivers/auth			\
179				-Iinclude/drivers/io			\
180				-Iinclude/drivers/ti/uart		\
181				-Iinclude/lib				\
182				-Iinclude/lib/${ARCH}			\
183				-Iinclude/lib/cpus			\
184				-Iinclude/lib/cpus/${ARCH}		\
185				-Iinclude/lib/el3_runtime		\
186				-Iinclude/lib/el3_runtime/${ARCH}	\
187				-Iinclude/lib/pmf			\
188				-Iinclude/lib/psci			\
189				-Iinclude/plat/common			\
190				-Iinclude/services			\
191				${PLAT_INCLUDES}			\
192				${SPD_INCLUDES}
193
194
195################################################################################
196# Generic definitions
197################################################################################
198
199include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
200
201BUILD_BASE		:=	./build
202BUILD_PLAT		:=	${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
203
204SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
205
206# Platforms providing their own TBB makefile may override this value
207INCLUDE_TBBR_MK		:=	1
208
209
210################################################################################
211# Include SPD Makefile if one has been specified
212################################################################################
213
214ifneq (${SPD},none)
215ifeq (${ARCH},aarch32)
216	$(error "Error: SPD is incompatible with AArch32.")
217endif
218ifdef EL3_PAYLOAD_BASE
219        $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
220        $(warning "The SPD and its BL32 companion will be present but ignored.")
221endif
222        # We expect to locate an spd.mk under the specified SPD directory
223        SPD_MAKE	:=	$(wildcard services/spd/${SPD}/${SPD}.mk)
224
225        ifeq (${SPD_MAKE},)
226                $(error Error: No services/spd/${SPD}/${SPD}.mk located)
227        endif
228        $(info Including ${SPD_MAKE})
229        include ${SPD_MAKE}
230
231        # If there's BL32 companion for the chosen SPD, we expect that the SPD's
232        # Makefile would set NEED_BL32 to "yes". In this case, the build system
233        # supports two mutually exclusive options:
234        # * BL32 is built from source: then BL32_SOURCES must contain the list
235        #   of source files to build BL32
236        # * BL32 is a prebuilt binary: then BL32 must point to the image file
237        #   that will be included in the FIP
238        # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
239        # over the sources.
240endif
241
242
243################################################################################
244# Include the platform specific Makefile after the SPD Makefile (the platform
245# makefile may use all previous definitions in this file)
246################################################################################
247
248include ${PLAT_MAKEFILE_FULL}
249
250# Platform compatibility is not supported in AArch32
251ifneq (${ARCH},aarch32)
252# If the platform has not defined ENABLE_PLAT_COMPAT, then enable it by default
253ifndef ENABLE_PLAT_COMPAT
254ENABLE_PLAT_COMPAT := 1
255endif
256
257# Include the platform compatibility helpers for PSCI
258ifneq (${ENABLE_PLAT_COMPAT}, 0)
259include plat/compat/plat_compat.mk
260endif
261endif
262
263# Include the CPU specific operations makefile, which provides default
264# values for all CPU errata workarounds and CPU specific optimisations.
265# This can be overridden by the platform.
266include lib/cpus/cpu-ops.mk
267
268
269################################################################################
270# Check incompatible options
271################################################################################
272
273ifdef EL3_PAYLOAD_BASE
274        ifdef PRELOADED_BL33_BASE
275                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
276                incompatible build options. EL3_PAYLOAD_BASE has priority.")
277        endif
278endif
279
280ifeq (${NEED_BL33},yes)
281        ifdef EL3_PAYLOAD_BASE
282                $(warning "BL33 image is not needed when option \
283                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
284        endif
285        ifdef PRELOADED_BL33_BASE
286                $(warning "BL33 image is not needed when option \
287                PRELOADED_BL33_BASE is used and won't be added to the FIP \
288                file.")
289        endif
290endif
291
292ifeq (${ARCH},aarch32)
293    # For AArch32, LOAD_IMAGE_V2 must be enabled.
294    ifeq (${LOAD_IMAGE_V2}, 0)
295        $(error "For AArch32, LOAD_IMAGE_V2 must be enabled.")
296    endif
297    # TRUSTED_BOARD_BOOT is currently not supported for AArch32.
298    ifeq (${TRUSTED_BOARD_BOOT},1)
299        $(error "TRUSTED_BOARD_BOOT is currently not supported for AArch32")
300    endif
301endif
302
303
304################################################################################
305# Process platform overrideable behaviour
306################################################################################
307
308# Check if -pedantic option should be used
309ifeq (${DISABLE_PEDANTIC},0)
310        TF_CFLAGS	+= 	-pedantic
311endif
312
313# Using the ARM Trusted Firmware BL2 implies that a BL33 image also needs to be
314# supplied for the FIP and Certificate generation tools. This flag can be
315# overridden by the platform.
316ifdef BL2_SOURCES
317        ifdef EL3_PAYLOAD_BASE
318                # If booting an EL3 payload there is no need for a BL33 image
319                # in the FIP file.
320                NEED_BL33		:=	no
321        else
322                ifdef PRELOADED_BL33_BASE
323                        # If booting a BL33 preloaded image there is no need of
324                        # another one in the FIP file.
325                        NEED_BL33		:=	no
326                else
327                        NEED_BL33		?=	yes
328                endif
329        endif
330endif
331
332# Process TBB related flags
333ifneq (${GENERATE_COT},0)
334        # Common cert_create options
335        ifneq (${CREATE_KEYS},0)
336                $(eval CRT_ARGS += -n)
337                $(eval FWU_CRT_ARGS += -n)
338                ifneq (${SAVE_KEYS},0)
339                        $(eval CRT_ARGS += -k)
340                        $(eval FWU_CRT_ARGS += -k)
341                endif
342        endif
343        # Include TBBR makefile (unless the platform indicates otherwise)
344        ifeq (${INCLUDE_TBBR_MK},1)
345                include make_helpers/tbbr/tbbr_tools.mk
346        endif
347endif
348
349# Make sure PMF is enabled if PSCI STAT is enabled.
350ifeq (${ENABLE_PSCI_STAT},1)
351ENABLE_PMF			:= 1
352endif
353
354ifneq (${FIP_ALIGN},0)
355FIP_ARGS += --align ${FIP_ALIGN}
356endif
357
358################################################################################
359# Auxiliary tools (fiptool, cert_create, etc)
360################################################################################
361
362# Variables for use with Certificate Generation Tool
363CRTTOOLPATH		?=	tools/cert_create
364CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
365
366# Variables for use with Firmware Image Package
367FIPTOOLPATH		?=	tools/fiptool
368FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
369
370
371################################################################################
372# Build options checks
373################################################################################
374
375$(eval $(call assert_boolean,ASM_ASSERTION))
376$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
377$(eval $(call assert_boolean,CREATE_KEYS))
378$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
379$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
380$(eval $(call assert_boolean,DEBUG))
381$(eval $(call assert_boolean,DISABLE_PEDANTIC))
382$(eval $(call assert_boolean,ENABLE_PLAT_COMPAT))
383$(eval $(call assert_boolean,ENABLE_PMF))
384$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
385$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
386$(eval $(call assert_boolean,ERROR_DEPRECATED))
387$(eval $(call assert_boolean,GENERATE_COT))
388$(eval $(call assert_boolean,LOAD_IMAGE_V2))
389$(eval $(call assert_boolean,NS_TIMER_SWITCH))
390$(eval $(call assert_boolean,PL011_GENERIC_UART))
391$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
392$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
393$(eval $(call assert_boolean,RESET_TO_BL31))
394$(eval $(call assert_boolean,SAVE_KEYS))
395$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
396$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
397$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
398$(eval $(call assert_boolean,USE_COHERENT_MEM))
399
400################################################################################
401# Add definitions to the cpp preprocessor based on the current build options.
402# This is done after including the platform specific makefile to allow the
403# platform to overwrite the default options
404################################################################################
405
406$(eval $(call add_define,ARM_CCI_PRODUCT_ID))
407$(eval $(call add_define,ARM_GIC_ARCH))
408$(eval $(call add_define,ASM_ASSERTION))
409$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
410$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
411$(eval $(call add_define,CTX_INCLUDE_FPREGS))
412$(eval $(call add_define,ENABLE_PLAT_COMPAT))
413$(eval $(call add_define,ENABLE_PMF))
414$(eval $(call add_define,ENABLE_PSCI_STAT))
415$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
416$(eval $(call add_define,ERROR_DEPRECATED))
417$(eval $(call add_define,LOAD_IMAGE_V2))
418$(eval $(call add_define,LOG_LEVEL))
419$(eval $(call add_define,NS_TIMER_SWITCH))
420$(eval $(call add_define,PL011_GENERIC_UART))
421$(eval $(call add_define,PLAT_${PLAT}))
422$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
423$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
424$(eval $(call add_define,RESET_TO_BL31))
425$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
426$(eval $(call add_define,SPD_${SPD}))
427$(eval $(call add_define,SPIN_ON_BL1_EXIT))
428$(eval $(call add_define,TRUSTED_BOARD_BOOT))
429$(eval $(call add_define,USE_COHERENT_MEM))
430
431# Define the EL3_PAYLOAD_BASE flag only if it is provided.
432ifdef EL3_PAYLOAD_BASE
433        $(eval $(call add_define,EL3_PAYLOAD_BASE))
434else
435        # Define the PRELOADED_BL33_BASE flag only if it is provided and
436        # EL3_PAYLOAD_BASE is not defined, as it has priority.
437        ifdef PRELOADED_BL33_BASE
438                $(eval $(call add_define,PRELOADED_BL33_BASE))
439        endif
440endif
441# Define the AARCH32/AARCH64 flag based on the ARCH flag
442ifeq (${ARCH},aarch32)
443        $(eval $(call add_define,AARCH32))
444else
445        $(eval $(call add_define,AARCH64))
446endif
447
448################################################################################
449# Include BL specific makefiles
450################################################################################
451ifdef BL1_SOURCES
452NEED_BL1 := yes
453include bl1/bl1.mk
454endif
455
456ifdef BL2_SOURCES
457NEED_BL2 := yes
458include bl2/bl2.mk
459endif
460
461# For AArch32, BL31 is not applicable, and BL2U is not supported at present.
462ifneq (${ARCH},aarch32)
463ifdef BL2U_SOURCES
464NEED_BL2U := yes
465include bl2u/bl2u.mk
466endif
467
468ifdef BL31_SOURCES
469# When booting an EL3 payload, there is no need to compile the BL31 image nor
470# put it in the FIP.
471ifndef EL3_PAYLOAD_BASE
472NEED_BL31 := yes
473include bl31/bl31.mk
474endif
475endif
476endif
477
478ifeq (${ARCH},aarch32)
479NEED_BL32 := yes
480
481################################################################################
482# Build `AARCH32_SP` as BL32 image for AArch32
483################################################################################
484ifneq (${AARCH32_SP},none)
485# We expect to locate an sp.mk under the specified AARCH32_SP directory
486AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
487
488ifeq (${AARCH32_SP_MAKE},)
489  $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
490endif
491
492$(info Including ${AARCH32_SP_MAKE})
493include ${AARCH32_SP_MAKE}
494endif
495
496endif
497
498################################################################################
499# Build targets
500################################################################################
501
502.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip fwu_fip certtool
503.SUFFIXES:
504
505all: msg_start
506
507msg_start:
508	@echo "Building ${PLAT}"
509
510# Check if deprecated declarations should be treated as error or not.
511ifeq (${ERROR_DEPRECATED},0)
512    TF_CFLAGS		+= 	-Wno-error=deprecated-declarations
513endif
514
515# Expand build macros for the different images
516ifeq (${NEED_BL1},yes)
517$(eval $(call MAKE_BL,1))
518endif
519
520ifeq (${NEED_BL2},yes)
521$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},tb-fw)),\
522	$(eval $(call MAKE_BL,2,tb-fw)))
523endif
524
525ifeq (${NEED_BL31},yes)
526BL31_SOURCES += ${SPD_SOURCES}
527$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},soc-fw)),\
528	$(eval $(call MAKE_BL,31,soc-fw)))
529endif
530
531# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
532# build system will call FIP_ADD_IMG to print a warning message and abort the
533# process. Note that the dependency on BL32 applies to the FIP only.
534ifeq (${NEED_BL32},yes)
535$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},tos-fw)),\
536	$(if ${BL32_SOURCES}, $(eval $(call MAKE_BL,32,tos-fw)),\
537		$(eval $(call FIP_ADD_IMG,BL32,--tos-fw))))
538endif
539
540# Add the BL33 image if required by the platform
541ifeq (${NEED_BL33},yes)
542$(eval $(call FIP_ADD_IMG,BL33,--nt-fw))
543endif
544
545ifeq (${NEED_BL2U},yes)
546BL2U_PATH	:= $(if ${BL2U},${BL2U},$(call IMG_BIN,2u))
547$(if ${BL2U}, ,$(eval $(call MAKE_BL,2u)))
548$(eval $(call FWU_FIP_ADD_PAYLOAD,${BL2U_PATH},--ap-fwu-cfg))
549endif
550
551locate-checkpatch:
552ifndef CHECKPATCH
553	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl")
554else
555ifeq (,$(wildcard ${CHECKPATCH}))
556	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl")
557endif
558endif
559
560clean:
561	@echo "  CLEAN"
562	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
563	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
564	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
565
566realclean distclean:
567	@echo "  REALCLEAN"
568	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
569	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
570	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
571	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
572
573checkcodebase:		locate-checkpatch
574	@echo "  CHECKING STYLE"
575	@if test -d .git ; then						\
576		git ls-files | grep -E -v 'libfdt|stdlib|docs|\.md' |	\
577		while read GIT_FILE ;					\
578		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
579		done ;							\
580	else								\
581		 find . -type f -not -iwholename "*.git*"		\
582		 -not -iwholename "*build*"				\
583		 -not -iwholename "*libfdt*"				\
584		 -not -iwholename "*stdlib*"				\
585		 -not -iwholename "*docs*"				\
586		 -not -iwholename "*.md"				\
587		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
588	fi
589
590checkpatch:		locate-checkpatch
591	@echo "  CHECKING STYLE"
592	${Q}git format-patch --stdout ${BASE_COMMIT}..HEAD -- ${CHECK_PATHS} | ${CHECKPATCH} - || true
593
594certtool: ${CRTTOOL}
595
596.PHONY: ${CRTTOOL}
597${CRTTOOL}:
598	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH}
599	@${ECHO_BLANK_LINE}
600	@echo "Built $@ successfully"
601	@${ECHO_BLANK_LINE}
602
603ifneq (${GENERATE_COT},0)
604certificates: ${CRT_DEPS} ${CRTTOOL}
605	${Q}${CRTTOOL} ${CRT_ARGS}
606	@${ECHO_BLANK_LINE}
607	@echo "Built $@ successfully"
608	@echo "Certificates can be found in ${BUILD_PLAT}"
609	@${ECHO_BLANK_LINE}
610endif
611
612${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
613	${Q}${FIPTOOL} create ${FIP_ARGS} $@
614	${Q}${FIPTOOL} info $@
615	@${ECHO_BLANK_LINE}
616	@echo "Built $@ successfully"
617	@${ECHO_BLANK_LINE}
618
619ifneq (${GENERATE_COT},0)
620fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
621	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
622	@echo
623	@echo "Built $@ successfully"
624	@echo "FWU certificates can be found in ${BUILD_PLAT}"
625	@echo
626endif
627
628${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
629	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
630	${Q}${FIPTOOL} info $@
631	@echo
632	@echo "Built $@ successfully"
633	@echo
634
635fiptool: ${FIPTOOL}
636fip: ${BUILD_PLAT}/${FIP_NAME}
637fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
638
639.PHONY: ${FIPTOOL}
640${FIPTOOL}:
641	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH}
642
643cscope:
644	@echo "  CSCOPE"
645	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
646	${Q}cscope -b -q -k
647
648help:
649	@echo "usage: ${MAKE} PLAT=<${PLATFORM_LIST}> [OPTIONS] [TARGET]"
650	@echo ""
651	@echo "PLAT is used to specify which platform you wish to build."
652	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
653	@echo ""
654	@echo "Please refer to the User Guide for a list of all supported options."
655	@echo "Note that the build system doesn't track dependencies for build "
656	@echo "options. Therefore, if any of the build options are changed "
657	@echo "from a previous build, a clean build must be performed."
658	@echo ""
659	@echo "Supported Targets:"
660	@echo "  all            Build all individual bootloader binaries"
661	@echo "  bl1            Build the BL1 binary"
662	@echo "  bl2            Build the BL2 binary"
663	@echo "  bl2u           Build the BL2U binary"
664	@echo "  bl31           Build the BL31 binary"
665	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
666	@echo "                 this builds secure payload specified by AARCH32_SP"
667	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
668	@echo "  fip            Build the Firmware Image Package (FIP)"
669	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
670	@echo "  checkcodebase  Check the coding style of the entire source tree"
671	@echo "  checkpatch     Check the coding style on changes in the current"
672	@echo "                 branch against BASE_COMMIT (default origin/master)"
673	@echo "  clean          Clean the build for the selected platform"
674	@echo "  cscope         Generate cscope index"
675	@echo "  distclean      Remove all build artifacts for all platforms"
676	@echo "  certtool       Build the Certificate generation tool"
677	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
678	@echo ""
679	@echo "Note: most build targets require PLAT to be set to a specific platform."
680	@echo ""
681	@echo "example: build all targets for the FVP platform:"
682	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
683