xref: /rk3399_ARM-atf/Makefile (revision 108e4df7f167bccc2c9ccef87bdd62d15c3aa74b) 
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	:=	$(shell git describe --always --dirty --tags 2> /dev/null)
115endif
116VERSION_STRING		:=	v${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
349ifneq (${FIP_ALIGN},0)
350FIP_ARGS += --align ${FIP_ALIGN}
351endif
352
353################################################################################
354# Auxiliary tools (fiptool, cert_create, etc)
355################################################################################
356
357# Variables for use with Certificate Generation Tool
358CRTTOOLPATH		?=	tools/cert_create
359CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
360
361# Variables for use with Firmware Image Package
362FIPTOOLPATH		?=	tools/fiptool
363FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
364
365
366################################################################################
367# Build options checks
368################################################################################
369
370$(eval $(call assert_boolean,ASM_ASSERTION))
371$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
372$(eval $(call assert_boolean,CREATE_KEYS))
373$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
374$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
375$(eval $(call assert_boolean,DEBUG))
376$(eval $(call assert_boolean,DISABLE_PEDANTIC))
377$(eval $(call assert_boolean,ENABLE_PLAT_COMPAT))
378$(eval $(call assert_boolean,ENABLE_PMF))
379$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
380$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
381$(eval $(call assert_boolean,ERROR_DEPRECATED))
382$(eval $(call assert_boolean,GENERATE_COT))
383$(eval $(call assert_boolean,LOAD_IMAGE_V2))
384$(eval $(call assert_boolean,NS_TIMER_SWITCH))
385$(eval $(call assert_boolean,PL011_GENERIC_UART))
386$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
387$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
388$(eval $(call assert_boolean,RESET_TO_BL31))
389$(eval $(call assert_boolean,SAVE_KEYS))
390$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
391$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
392$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
393$(eval $(call assert_boolean,USE_COHERENT_MEM))
394
395################################################################################
396# Add definitions to the cpp preprocessor based on the current build options.
397# This is done after including the platform specific makefile to allow the
398# platform to overwrite the default options
399################################################################################
400
401$(eval $(call add_define,ARM_CCI_PRODUCT_ID))
402$(eval $(call add_define,ARM_GIC_ARCH))
403$(eval $(call add_define,ASM_ASSERTION))
404$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
405$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
406$(eval $(call add_define,CTX_INCLUDE_FPREGS))
407$(eval $(call add_define,ENABLE_PLAT_COMPAT))
408$(eval $(call add_define,ENABLE_PMF))
409$(eval $(call add_define,ENABLE_PSCI_STAT))
410$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
411$(eval $(call add_define,ERROR_DEPRECATED))
412$(eval $(call add_define,LOAD_IMAGE_V2))
413$(eval $(call add_define,LOG_LEVEL))
414$(eval $(call add_define,NS_TIMER_SWITCH))
415$(eval $(call add_define,PL011_GENERIC_UART))
416$(eval $(call add_define,PLAT_${PLAT}))
417$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
418$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
419$(eval $(call add_define,RESET_TO_BL31))
420$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
421$(eval $(call add_define,SPD_${SPD}))
422$(eval $(call add_define,SPIN_ON_BL1_EXIT))
423$(eval $(call add_define,TRUSTED_BOARD_BOOT))
424$(eval $(call add_define,USE_COHERENT_MEM))
425
426# Define the EL3_PAYLOAD_BASE flag only if it is provided.
427ifdef EL3_PAYLOAD_BASE
428        $(eval $(call add_define,EL3_PAYLOAD_BASE))
429else
430        # Define the PRELOADED_BL33_BASE flag only if it is provided and
431        # EL3_PAYLOAD_BASE is not defined, as it has priority.
432        ifdef PRELOADED_BL33_BASE
433                $(eval $(call add_define,PRELOADED_BL33_BASE))
434        endif
435endif
436# Define the AARCH32/AARCH64 flag based on the ARCH flag
437ifeq (${ARCH},aarch32)
438        $(eval $(call add_define,AARCH32))
439else
440        $(eval $(call add_define,AARCH64))
441endif
442
443################################################################################
444# Include BL specific makefiles
445################################################################################
446ifdef BL1_SOURCES
447NEED_BL1 := yes
448include bl1/bl1.mk
449endif
450
451ifdef BL2_SOURCES
452NEED_BL2 := yes
453include bl2/bl2.mk
454endif
455
456# For AArch32, BL31 is not applicable, and BL2U is not supported at present.
457ifneq (${ARCH},aarch32)
458ifdef BL2U_SOURCES
459NEED_BL2U := yes
460include bl2u/bl2u.mk
461endif
462
463ifdef BL31_SOURCES
464# When booting an EL3 payload, there is no need to compile the BL31 image nor
465# put it in the FIP.
466ifndef EL3_PAYLOAD_BASE
467NEED_BL31 := yes
468include bl31/bl31.mk
469endif
470endif
471endif
472
473ifeq (${ARCH},aarch32)
474NEED_BL32 := yes
475
476################################################################################
477# Build `AARCH32_SP` as BL32 image for AArch32
478################################################################################
479ifneq (${AARCH32_SP},none)
480# We expect to locate an sp.mk under the specified AARCH32_SP directory
481AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
482
483ifeq (${AARCH32_SP_MAKE},)
484  $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
485endif
486
487$(info Including ${AARCH32_SP_MAKE})
488include ${AARCH32_SP_MAKE}
489endif
490
491endif
492
493################################################################################
494# Build targets
495################################################################################
496
497.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip fwu_fip certtool
498.SUFFIXES:
499
500all: msg_start
501
502msg_start:
503	@echo "Building ${PLAT}"
504
505# Check if deprecated declarations should be treated as error or not.
506ifeq (${ERROR_DEPRECATED},0)
507    TF_CFLAGS		+= 	-Wno-error=deprecated-declarations
508endif
509
510# Expand build macros for the different images
511ifeq (${NEED_BL1},yes)
512$(eval $(call MAKE_BL,1))
513endif
514
515ifeq (${NEED_BL2},yes)
516$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},tb-fw)),\
517	$(eval $(call MAKE_BL,2,tb-fw)))
518endif
519
520ifeq (${NEED_BL31},yes)
521BL31_SOURCES += ${SPD_SOURCES}
522$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},soc-fw)),\
523	$(eval $(call MAKE_BL,31,soc-fw)))
524endif
525
526# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
527# build system will call FIP_ADD_IMG to print a warning message and abort the
528# process. Note that the dependency on BL32 applies to the FIP only.
529ifeq (${NEED_BL32},yes)
530$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},tos-fw)),\
531	$(if ${BL32_SOURCES}, $(eval $(call MAKE_BL,32,tos-fw)),\
532		$(eval $(call FIP_ADD_IMG,BL32,--tos-fw))))
533endif
534
535# Add the BL33 image if required by the platform
536ifeq (${NEED_BL33},yes)
537$(eval $(call FIP_ADD_IMG,BL33,--nt-fw))
538endif
539
540ifeq (${NEED_BL2U},yes)
541BL2U_PATH	:= $(if ${BL2U},${BL2U},$(call IMG_BIN,2u))
542$(if ${BL2U}, ,$(eval $(call MAKE_BL,2u)))
543$(eval $(call FWU_FIP_ADD_PAYLOAD,${BL2U_PATH},--ap-fwu-cfg))
544endif
545
546locate-checkpatch:
547ifndef CHECKPATCH
548	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl")
549else
550ifeq (,$(wildcard ${CHECKPATCH}))
551	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl")
552endif
553endif
554
555clean:
556	@echo "  CLEAN"
557	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
558	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
559	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
560
561realclean distclean:
562	@echo "  REALCLEAN"
563	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
564	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
565	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
566	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
567
568checkcodebase:		locate-checkpatch
569	@echo "  CHECKING STYLE"
570	@if test -d .git ; then						\
571		git ls-files | grep -E -v 'libfdt|stdlib|docs|\.md' |	\
572		while read GIT_FILE ;					\
573		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
574		done ;							\
575	else								\
576		 find . -type f -not -iwholename "*.git*"		\
577		 -not -iwholename "*build*"				\
578		 -not -iwholename "*libfdt*"				\
579		 -not -iwholename "*stdlib*"				\
580		 -not -iwholename "*docs*"				\
581		 -not -iwholename "*.md"				\
582		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
583	fi
584
585checkpatch:		locate-checkpatch
586	@echo "  CHECKING STYLE"
587	${Q}git format-patch --stdout ${BASE_COMMIT}..HEAD -- ${CHECK_PATHS} | ${CHECKPATCH} - || true
588
589certtool: ${CRTTOOL}
590
591.PHONY: ${CRTTOOL}
592${CRTTOOL}:
593	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH}
594	@${ECHO_BLANK_LINE}
595	@echo "Built $@ successfully"
596	@${ECHO_BLANK_LINE}
597
598ifneq (${GENERATE_COT},0)
599certificates: ${CRT_DEPS} ${CRTTOOL}
600	${Q}${CRTTOOL} ${CRT_ARGS}
601	@${ECHO_BLANK_LINE}
602	@echo "Built $@ successfully"
603	@echo "Certificates can be found in ${BUILD_PLAT}"
604	@${ECHO_BLANK_LINE}
605endif
606
607${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
608	${Q}${FIPTOOL} create ${FIP_ARGS} $@
609	${Q}${FIPTOOL} info $@
610	@${ECHO_BLANK_LINE}
611	@echo "Built $@ successfully"
612	@${ECHO_BLANK_LINE}
613
614ifneq (${GENERATE_COT},0)
615fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
616	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
617	@echo
618	@echo "Built $@ successfully"
619	@echo "FWU certificates can be found in ${BUILD_PLAT}"
620	@echo
621endif
622
623${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
624	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
625	${Q}${FIPTOOL} info $@
626	@echo
627	@echo "Built $@ successfully"
628	@echo
629
630fiptool: ${FIPTOOL}
631fip: ${BUILD_PLAT}/${FIP_NAME}
632fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
633
634.PHONY: ${FIPTOOL}
635${FIPTOOL}:
636	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH}
637
638cscope:
639	@echo "  CSCOPE"
640	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
641	${Q}cscope -b -q -k
642
643help:
644	@echo "usage: ${MAKE} PLAT=<${PLATFORM_LIST}> [OPTIONS] [TARGET]"
645	@echo ""
646	@echo "PLAT is used to specify which platform you wish to build."
647	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
648	@echo ""
649	@echo "Please refer to the User Guide for a list of all supported options."
650	@echo "Note that the build system doesn't track dependencies for build "
651	@echo "options. Therefore, if any of the build options are changed "
652	@echo "from a previous build, a clean build must be performed."
653	@echo ""
654	@echo "Supported Targets:"
655	@echo "  all            Build all individual bootloader binaries"
656	@echo "  bl1            Build the BL1 binary"
657	@echo "  bl2            Build the BL2 binary"
658	@echo "  bl2u           Build the BL2U binary"
659	@echo "  bl31           Build the BL31 binary"
660	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
661	@echo "                 this builds secure payload specified by AARCH32_SP"
662	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
663	@echo "  fip            Build the Firmware Image Package (FIP)"
664	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
665	@echo "  checkcodebase  Check the coding style of the entire source tree"
666	@echo "  checkpatch     Check the coding style on changes in the current"
667	@echo "                 branch against BASE_COMMIT (default origin/master)"
668	@echo "  clean          Clean the build for the selected platform"
669	@echo "  cscope         Generate cscope index"
670	@echo "  distclean      Remove all build artifacts for all platforms"
671	@echo "  certtool       Build the Certificate generation tool"
672	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
673	@echo ""
674	@echo "Note: most build targets require PLAT to be set to a specific platform."
675	@echo ""
676	@echo "example: build all targets for the FVP platform:"
677	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
678