xref: /rk3399_ARM-atf/Makefile (revision 044bb2faabd7981af4ef419e1037fec28e5b3f8b) 
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
40# Avoid any implicit propagation of command line variable definitions to
41# sub-Makefiles, like CFLAGS that we reserved for the firmware images'
42# usage. Other command line options like "-s" are still propagated as usual.
43MAKEOVERRIDES =
44
45MAKE_HELPERS_DIRECTORY := make_helpers/
46include ${MAKE_HELPERS_DIRECTORY}build_macros.mk
47include ${MAKE_HELPERS_DIRECTORY}build_env.mk
48
49################################################################################
50# Default values for build configurations, and their dependencies
51################################################################################
52
53ifdef ASM_ASSERTION
54        $(warning ASM_ASSERTION is removed, use ENABLE_ASSERTIONS instead.)
55endif
56
57include ${MAKE_HELPERS_DIRECTORY}defaults.mk
58
59# Assertions enabled for DEBUG builds by default
60ENABLE_ASSERTIONS		:= ${DEBUG}
61ENABLE_PMF			:= ${ENABLE_RUNTIME_INSTRUMENTATION}
62PLAT				:= ${DEFAULT_PLAT}
63
64################################################################################
65# Checkpatch script options
66################################################################################
67
68CHECKCODE_ARGS		:=	--no-patch
69# Do not check the coding style on imported library files or documentation files
70INC_LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
71					include/lib/libfdt		\
72					include/lib/stdlib,		\
73					$(wildcard include/lib/*)))
74INC_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
75					include/lib,			\
76					$(wildcard include/*)))
77LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
78					lib/libfdt%			\
79					lib/stdlib,			\
80					$(wildcard lib/*)))
81ROOT_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
82					lib				\
83					include				\
84					docs				\
85					%.md,				\
86					$(wildcard *)))
87CHECK_PATHS		:=	${ROOT_DIRS_TO_CHECK}			\
88				${INC_DIRS_TO_CHECK}			\
89				${INC_LIB_DIRS_TO_CHECK}		\
90				${LIB_DIRS_TO_CHECK}
91
92
93################################################################################
94# Process build options
95################################################################################
96
97# Verbose flag
98ifeq (${V},0)
99        Q:=@
100        CHECKCODE_ARGS	+=	--no-summary --terse
101else
102        Q:=
103endif
104export Q
105
106# Process Debug flag
107$(eval $(call add_define,DEBUG))
108ifneq (${DEBUG}, 0)
109        BUILD_TYPE	:=	debug
110        TF_CFLAGS	+= 	-g
111        ASFLAGS		+= 	-g -Wa,--gdwarf-2
112        # Use LOG_LEVEL_INFO by default for debug builds
113        LOG_LEVEL	:=	40
114else
115        BUILD_TYPE	:=	release
116        $(eval $(call add_define,NDEBUG))
117        # Use LOG_LEVEL_NOTICE by default for release builds
118        LOG_LEVEL	:=	20
119endif
120
121# Default build string (git branch and commit)
122ifeq (${BUILD_STRING},)
123        BUILD_STRING	:=	$(shell git describe --always --dirty --tags 2> /dev/null)
124endif
125VERSION_STRING		:=	v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING}
126
127# The cert_create tool cannot generate certificates individually, so we use the
128# target 'certificates' to create them all
129ifneq (${GENERATE_COT},0)
130        FIP_DEPS += certificates
131        FWU_FIP_DEPS += fwu_certificates
132endif
133
134
135################################################################################
136# Toolchain
137################################################################################
138
139CC			:=	${CROSS_COMPILE}gcc
140CPP			:=	${CROSS_COMPILE}cpp
141AS			:=	${CROSS_COMPILE}gcc
142AR			:=	${CROSS_COMPILE}ar
143LD			:=	${CROSS_COMPILE}ld
144OC			:=	${CROSS_COMPILE}objcopy
145OD			:=	${CROSS_COMPILE}objdump
146NM			:=	${CROSS_COMPILE}nm
147PP			:=	${CROSS_COMPILE}gcc -E
148
149ASFLAGS_aarch64		=	-mgeneral-regs-only
150TF_CFLAGS_aarch64	=	-mgeneral-regs-only -mstrict-align
151
152ASFLAGS_aarch32		=	-march=armv8-a
153TF_CFLAGS_aarch32	=	-march=armv8-a
154
155CPPFLAGS		=	${DEFINES} ${INCLUDES} -nostdinc		\
156				-Wmissing-include-dirs -Werror
157ASFLAGS			+=	$(CPPFLAGS) $(ASFLAGS_$(ARCH))			\
158				-D__ASSEMBLY__ -ffreestanding 			\
159				-Wa,--fatal-warnings
160TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
161				-ffreestanding -fno-builtin -Wall -std=c99 -Os	\
162				-ffunction-sections -fdata-sections
163
164LDFLAGS			+=	--fatal-warnings -O1
165LDFLAGS			+=	--gc-sections
166
167
168################################################################################
169# Common sources and include directories
170################################################################################
171include lib/stdlib/stdlib.mk
172
173BL_COMMON_SOURCES	+=	common/bl_common.c			\
174				common/tf_printf.c			\
175				common/${ARCH}/debug.S			\
176				lib/${ARCH}/cache_helpers.S		\
177				lib/${ARCH}/misc_helpers.S		\
178				plat/common/${ARCH}/plat_common.c	\
179				plat/common/${ARCH}/platform_helpers.S	\
180				${STDLIB_SRCS}
181
182INCLUDES		+=	-Iinclude/bl1				\
183				-Iinclude/bl31				\
184				-Iinclude/common			\
185				-Iinclude/common/${ARCH}		\
186				-Iinclude/drivers			\
187				-Iinclude/drivers/arm			\
188				-Iinclude/drivers/auth			\
189				-Iinclude/drivers/io			\
190				-Iinclude/drivers/ti/uart		\
191				-Iinclude/lib				\
192				-Iinclude/lib/${ARCH}			\
193				-Iinclude/lib/cpus			\
194				-Iinclude/lib/cpus/${ARCH}		\
195				-Iinclude/lib/el3_runtime		\
196				-Iinclude/lib/el3_runtime/${ARCH}	\
197				-Iinclude/lib/pmf			\
198				-Iinclude/lib/psci			\
199				-Iinclude/lib/xlat_tables		\
200				-Iinclude/plat/common			\
201				-Iinclude/services			\
202				${PLAT_INCLUDES}			\
203				${SPD_INCLUDES}
204
205
206################################################################################
207# Generic definitions
208################################################################################
209
210include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
211
212BUILD_BASE		:=	./build
213BUILD_PLAT		:=	${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
214
215SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
216
217# Platforms providing their own TBB makefile may override this value
218INCLUDE_TBBR_MK		:=	1
219
220
221################################################################################
222# Include SPD Makefile if one has been specified
223################################################################################
224
225ifneq (${SPD},none)
226ifeq (${ARCH},aarch32)
227	$(error "Error: SPD is incompatible with AArch32.")
228endif
229ifdef EL3_PAYLOAD_BASE
230        $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
231        $(warning "The SPD and its BL32 companion will be present but ignored.")
232endif
233        # We expect to locate an spd.mk under the specified SPD directory
234        SPD_MAKE	:=	$(wildcard services/spd/${SPD}/${SPD}.mk)
235
236        ifeq (${SPD_MAKE},)
237                $(error Error: No services/spd/${SPD}/${SPD}.mk located)
238        endif
239        $(info Including ${SPD_MAKE})
240        include ${SPD_MAKE}
241
242        # If there's BL32 companion for the chosen SPD, we expect that the SPD's
243        # Makefile would set NEED_BL32 to "yes". In this case, the build system
244        # supports two mutually exclusive options:
245        # * BL32 is built from source: then BL32_SOURCES must contain the list
246        #   of source files to build BL32
247        # * BL32 is a prebuilt binary: then BL32 must point to the image file
248        #   that will be included in the FIP
249        # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
250        # over the sources.
251endif
252
253################################################################################
254# Include libraries' Makefile that are used in all BL
255################################################################################
256
257include lib/stack_protector/stack_protector.mk
258
259
260################################################################################
261# Include the platform specific Makefile after the SPD Makefile (the platform
262# makefile may use all previous definitions in this file)
263################################################################################
264
265include ${PLAT_MAKEFILE_FULL}
266
267# Platform compatibility is not supported in AArch32
268ifneq (${ARCH},aarch32)
269# If the platform has not defined ENABLE_PLAT_COMPAT, then enable it by default
270ifndef ENABLE_PLAT_COMPAT
271ENABLE_PLAT_COMPAT := 1
272endif
273
274# Include the platform compatibility helpers for PSCI
275ifneq (${ENABLE_PLAT_COMPAT}, 0)
276include plat/compat/plat_compat.mk
277endif
278endif
279
280# Include the CPU specific operations makefile, which provides default
281# values for all CPU errata workarounds and CPU specific optimisations.
282# This can be overridden by the platform.
283include lib/cpus/cpu-ops.mk
284
285
286################################################################################
287# Check incompatible options
288################################################################################
289
290ifdef EL3_PAYLOAD_BASE
291        ifdef PRELOADED_BL33_BASE
292                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
293                incompatible build options. EL3_PAYLOAD_BASE has priority.")
294        endif
295endif
296
297ifeq (${NEED_BL33},yes)
298        ifdef EL3_PAYLOAD_BASE
299                $(warning "BL33 image is not needed when option \
300                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
301        endif
302        ifdef PRELOADED_BL33_BASE
303                $(warning "BL33 image is not needed when option \
304                PRELOADED_BL33_BASE is used and won't be added to the FIP \
305                file.")
306        endif
307endif
308
309ifeq (${ARCH},aarch32)
310    # For AArch32, LOAD_IMAGE_V2 must be enabled.
311    ifeq (${LOAD_IMAGE_V2}, 0)
312        $(error "For AArch32, LOAD_IMAGE_V2 must be enabled.")
313    endif
314    # TRUSTED_BOARD_BOOT is currently not supported for AArch32.
315    ifeq (${TRUSTED_BOARD_BOOT},1)
316        $(error "TRUSTED_BOARD_BOOT is currently not supported for AArch32")
317    endif
318endif
319
320# When building for systems with hardware-assisted coherency, there's no need to
321# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
322ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
323$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
324endif
325
326################################################################################
327# Process platform overrideable behaviour
328################################################################################
329
330# Check if -pedantic option should be used
331ifeq (${DISABLE_PEDANTIC},0)
332        TF_CFLAGS	+= 	-pedantic
333endif
334
335# Using the ARM Trusted Firmware BL2 implies that a BL33 image also needs to be
336# supplied for the FIP and Certificate generation tools. This flag can be
337# overridden by the platform.
338ifdef BL2_SOURCES
339        ifdef EL3_PAYLOAD_BASE
340                # If booting an EL3 payload there is no need for a BL33 image
341                # in the FIP file.
342                NEED_BL33		:=	no
343        else
344                ifdef PRELOADED_BL33_BASE
345                        # If booting a BL33 preloaded image there is no need of
346                        # another one in the FIP file.
347                        NEED_BL33		:=	no
348                else
349                        NEED_BL33		?=	yes
350                endif
351        endif
352endif
353
354# If SCP_BL2 is given, we always want FIP to include it.
355ifdef SCP_BL2
356        NEED_SCP_BL2		:=	yes
357endif
358
359# Process TBB related flags
360ifneq (${GENERATE_COT},0)
361        # Common cert_create options
362        ifneq (${CREATE_KEYS},0)
363                $(eval CRT_ARGS += -n)
364                $(eval FWU_CRT_ARGS += -n)
365                ifneq (${SAVE_KEYS},0)
366                        $(eval CRT_ARGS += -k)
367                        $(eval FWU_CRT_ARGS += -k)
368                endif
369        endif
370        # Include TBBR makefile (unless the platform indicates otherwise)
371        ifeq (${INCLUDE_TBBR_MK},1)
372                include make_helpers/tbbr/tbbr_tools.mk
373        endif
374endif
375
376ifneq (${FIP_ALIGN},0)
377FIP_ARGS += --align ${FIP_ALIGN}
378endif
379
380################################################################################
381# Auxiliary tools (fiptool, cert_create, etc)
382################################################################################
383
384# Variables for use with Certificate Generation Tool
385CRTTOOLPATH		?=	tools/cert_create
386CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
387
388# Variables for use with Firmware Image Package
389FIPTOOLPATH		?=	tools/fiptool
390FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
391
392################################################################################
393# Include BL specific makefiles
394################################################################################
395ifdef BL1_SOURCES
396NEED_BL1 := yes
397include bl1/bl1.mk
398endif
399
400ifdef BL2_SOURCES
401NEED_BL2 := yes
402include bl2/bl2.mk
403endif
404
405# For AArch32, BL31 is not applicable, and BL2U is not supported at present.
406ifneq (${ARCH},aarch32)
407ifdef BL2U_SOURCES
408NEED_BL2U := yes
409include bl2u/bl2u.mk
410endif
411
412ifdef BL31_SOURCES
413# When booting an EL3 payload, there is no need to compile the BL31 image nor
414# put it in the FIP.
415ifndef EL3_PAYLOAD_BASE
416NEED_BL31 := yes
417include bl31/bl31.mk
418endif
419endif
420endif
421
422ifeq (${ARCH},aarch32)
423NEED_BL32 := yes
424
425################################################################################
426# Build `AARCH32_SP` as BL32 image for AArch32
427################################################################################
428ifneq (${AARCH32_SP},none)
429# We expect to locate an sp.mk under the specified AARCH32_SP directory
430AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
431
432ifeq (${AARCH32_SP_MAKE},)
433  $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
434endif
435
436$(info Including ${AARCH32_SP_MAKE})
437include ${AARCH32_SP_MAKE}
438endif
439
440endif
441
442################################################################################
443# Build options checks
444################################################################################
445
446$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
447$(eval $(call assert_boolean,CREATE_KEYS))
448$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
449$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
450$(eval $(call assert_boolean,DEBUG))
451$(eval $(call assert_boolean,DISABLE_PEDANTIC))
452$(eval $(call assert_boolean,ENABLE_ASSERTIONS))
453$(eval $(call assert_boolean,ENABLE_PLAT_COMPAT))
454$(eval $(call assert_boolean,ENABLE_PMF))
455$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
456$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
457$(eval $(call assert_boolean,ERROR_DEPRECATED))
458$(eval $(call assert_boolean,GENERATE_COT))
459$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY))
460$(eval $(call assert_boolean,LOAD_IMAGE_V2))
461$(eval $(call assert_boolean,NS_TIMER_SWITCH))
462$(eval $(call assert_boolean,PL011_GENERIC_UART))
463$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
464$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
465$(eval $(call assert_boolean,RESET_TO_BL31))
466$(eval $(call assert_boolean,SAVE_KEYS))
467$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
468$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
469$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
470$(eval $(call assert_boolean,USE_COHERENT_MEM))
471
472$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
473$(eval $(call assert_numeric,ARM_ARCH_MINOR))
474
475################################################################################
476# Add definitions to the cpp preprocessor based on the current build options.
477# This is done after including the platform specific makefile to allow the
478# platform to overwrite the default options
479################################################################################
480
481$(eval $(call add_define,ARM_CCI_PRODUCT_ID))
482$(eval $(call add_define,ARM_ARCH_MAJOR))
483$(eval $(call add_define,ARM_ARCH_MINOR))
484$(eval $(call add_define,ARM_GIC_ARCH))
485$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
486$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
487$(eval $(call add_define,CTX_INCLUDE_FPREGS))
488$(eval $(call add_define,ENABLE_ASSERTIONS))
489$(eval $(call add_define,ENABLE_PLAT_COMPAT))
490$(eval $(call add_define,ENABLE_PMF))
491$(eval $(call add_define,ENABLE_PSCI_STAT))
492$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
493$(eval $(call add_define,ERROR_DEPRECATED))
494$(eval $(call add_define,HW_ASSISTED_COHERENCY))
495$(eval $(call add_define,LOAD_IMAGE_V2))
496$(eval $(call add_define,LOG_LEVEL))
497$(eval $(call add_define,NS_TIMER_SWITCH))
498$(eval $(call add_define,PL011_GENERIC_UART))
499$(eval $(call add_define,PLAT_${PLAT}))
500$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
501$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
502$(eval $(call add_define,RESET_TO_BL31))
503$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
504$(eval $(call add_define,SPD_${SPD}))
505$(eval $(call add_define,SPIN_ON_BL1_EXIT))
506$(eval $(call add_define,TRUSTED_BOARD_BOOT))
507$(eval $(call add_define,USE_COHERENT_MEM))
508
509# Define the EL3_PAYLOAD_BASE flag only if it is provided.
510ifdef EL3_PAYLOAD_BASE
511        $(eval $(call add_define,EL3_PAYLOAD_BASE))
512else
513        # Define the PRELOADED_BL33_BASE flag only if it is provided and
514        # EL3_PAYLOAD_BASE is not defined, as it has priority.
515        ifdef PRELOADED_BL33_BASE
516                $(eval $(call add_define,PRELOADED_BL33_BASE))
517        endif
518endif
519# Define the AARCH32/AARCH64 flag based on the ARCH flag
520ifeq (${ARCH},aarch32)
521        $(eval $(call add_define,AARCH32))
522else
523        $(eval $(call add_define,AARCH64))
524endif
525
526################################################################################
527# Build targets
528################################################################################
529
530.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip fwu_fip certtool
531.SUFFIXES:
532
533all: msg_start
534
535msg_start:
536	@echo "Building ${PLAT}"
537
538# Check if deprecated declarations should be treated as error or not.
539ifeq (${ERROR_DEPRECATED},0)
540    TF_CFLAGS		+= 	-Wno-error=deprecated-declarations
541endif
542
543# Expand build macros for the different images
544ifeq (${NEED_BL1},yes)
545$(eval $(call MAKE_BL,1))
546endif
547
548ifeq (${NEED_BL2},yes)
549$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},tb-fw)),\
550	$(eval $(call MAKE_BL,2,tb-fw)))
551endif
552
553ifeq (${NEED_SCP_BL2},yes)
554$(eval $(call FIP_ADD_IMG,SCP_BL2,--scp-fw))
555endif
556
557ifeq (${NEED_BL31},yes)
558BL31_SOURCES += ${SPD_SOURCES}
559$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},soc-fw)),\
560	$(eval $(call MAKE_BL,31,soc-fw)))
561endif
562
563# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
564# build system will call FIP_ADD_IMG to print a warning message and abort the
565# process. Note that the dependency on BL32 applies to the FIP only.
566ifeq (${NEED_BL32},yes)
567$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},tos-fw)),\
568	$(if ${BL32_SOURCES}, $(eval $(call MAKE_BL,32,tos-fw)),\
569		$(eval $(call FIP_ADD_IMG,BL32,--tos-fw))))
570endif
571
572# Add the BL33 image if required by the platform
573ifeq (${NEED_BL33},yes)
574$(eval $(call FIP_ADD_IMG,BL33,--nt-fw))
575endif
576
577ifeq (${NEED_BL2U},yes)
578BL2U_PATH	:= $(if ${BL2U},${BL2U},$(call IMG_BIN,2u))
579$(if ${BL2U}, ,$(eval $(call MAKE_BL,2u)))
580$(eval $(call FWU_FIP_ADD_PAYLOAD,${BL2U_PATH},--ap-fwu-cfg))
581endif
582
583locate-checkpatch:
584ifndef CHECKPATCH
585	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl")
586else
587ifeq (,$(wildcard ${CHECKPATCH}))
588	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl")
589endif
590endif
591
592clean:
593	@echo "  CLEAN"
594	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
595	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
596	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
597
598realclean distclean:
599	@echo "  REALCLEAN"
600	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
601	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
602	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
603	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
604
605checkcodebase:		locate-checkpatch
606	@echo "  CHECKING STYLE"
607	@if test -d .git ; then						\
608		git ls-files | grep -E -v 'libfdt|stdlib|docs|\.md' |	\
609		while read GIT_FILE ;					\
610		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
611		done ;							\
612	else								\
613		 find . -type f -not -iwholename "*.git*"		\
614		 -not -iwholename "*build*"				\
615		 -not -iwholename "*libfdt*"				\
616		 -not -iwholename "*stdlib*"				\
617		 -not -iwholename "*docs*"				\
618		 -not -iwholename "*.md"				\
619		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
620	fi
621
622checkpatch:		locate-checkpatch
623	@echo "  CHECKING STYLE"
624	${Q}git format-patch --stdout ${BASE_COMMIT}..HEAD -- ${CHECK_PATHS} | ${CHECKPATCH} - || true
625
626certtool: ${CRTTOOL}
627
628.PHONY: ${CRTTOOL}
629${CRTTOOL}:
630	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH}
631	@${ECHO_BLANK_LINE}
632	@echo "Built $@ successfully"
633	@${ECHO_BLANK_LINE}
634
635ifneq (${GENERATE_COT},0)
636certificates: ${CRT_DEPS} ${CRTTOOL}
637	${Q}${CRTTOOL} ${CRT_ARGS}
638	@${ECHO_BLANK_LINE}
639	@echo "Built $@ successfully"
640	@echo "Certificates can be found in ${BUILD_PLAT}"
641	@${ECHO_BLANK_LINE}
642endif
643
644${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
645	${Q}${FIPTOOL} create ${FIP_ARGS} $@
646	${Q}${FIPTOOL} info $@
647	@${ECHO_BLANK_LINE}
648	@echo "Built $@ successfully"
649	@${ECHO_BLANK_LINE}
650
651ifneq (${GENERATE_COT},0)
652fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
653	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
654	@echo
655	@echo "Built $@ successfully"
656	@echo "FWU certificates can be found in ${BUILD_PLAT}"
657	@echo
658endif
659
660${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
661	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
662	${Q}${FIPTOOL} info $@
663	@echo
664	@echo "Built $@ successfully"
665	@echo
666
667fiptool: ${FIPTOOL}
668fip: ${BUILD_PLAT}/${FIP_NAME}
669fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
670
671.PHONY: ${FIPTOOL}
672${FIPTOOL}:
673	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH}
674
675cscope:
676	@echo "  CSCOPE"
677	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
678	${Q}cscope -b -q -k
679
680help:
681	@echo "usage: ${MAKE} PLAT=<${PLATFORM_LIST}> [OPTIONS] [TARGET]"
682	@echo ""
683	@echo "PLAT is used to specify which platform you wish to build."
684	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
685	@echo ""
686	@echo "Please refer to the User Guide for a list of all supported options."
687	@echo "Note that the build system doesn't track dependencies for build "
688	@echo "options. Therefore, if any of the build options are changed "
689	@echo "from a previous build, a clean build must be performed."
690	@echo ""
691	@echo "Supported Targets:"
692	@echo "  all            Build all individual bootloader binaries"
693	@echo "  bl1            Build the BL1 binary"
694	@echo "  bl2            Build the BL2 binary"
695	@echo "  bl2u           Build the BL2U binary"
696	@echo "  bl31           Build the BL31 binary"
697	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
698	@echo "                 this builds secure payload specified by AARCH32_SP"
699	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
700	@echo "  fip            Build the Firmware Image Package (FIP)"
701	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
702	@echo "  checkcodebase  Check the coding style of the entire source tree"
703	@echo "  checkpatch     Check the coding style on changes in the current"
704	@echo "                 branch against BASE_COMMIT (default origin/master)"
705	@echo "  clean          Clean the build for the selected platform"
706	@echo "  cscope         Generate cscope index"
707	@echo "  distclean      Remove all build artifacts for all platforms"
708	@echo "  certtool       Build the Certificate generation tool"
709	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
710	@echo ""
711	@echo "Note: most build targets require PLAT to be set to a specific platform."
712	@echo ""
713	@echo "example: build all targets for the FVP platform:"
714	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
715