xref: /rk3399_ARM-atf/Makefile (revision d6104f5ab4e68f92cf97f6a3e55395c71ed137ac)
1#
2# Copyright (c) 2013-2017, 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			:= 1
11VERSION_MINOR			:= 3
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
29ifdef ASM_ASSERTION
30        $(warning ASM_ASSERTION is removed, use ENABLE_ASSERTIONS instead.)
31endif
32
33include ${MAKE_HELPERS_DIRECTORY}defaults.mk
34
35# Assertions enabled for DEBUG builds by default
36ENABLE_ASSERTIONS		:= ${DEBUG}
37ENABLE_PMF			:= ${ENABLE_RUNTIME_INSTRUMENTATION}
38PLAT				:= ${DEFAULT_PLAT}
39
40################################################################################
41# Checkpatch script options
42################################################################################
43
44CHECKCODE_ARGS		:=	--no-patch
45# Do not check the coding style on imported library files or documentation files
46INC_LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
47					include/lib/libfdt		\
48					include/lib/stdlib,		\
49					$(wildcard include/lib/*)))
50INC_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
51					include/lib,			\
52					$(wildcard include/*)))
53LIB_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
54					lib/libfdt%			\
55					lib/stdlib,			\
56					$(wildcard lib/*)))
57ROOT_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
58					lib				\
59					include				\
60					docs				\
61					%.md,				\
62					$(wildcard *)))
63CHECK_PATHS		:=	${ROOT_DIRS_TO_CHECK}			\
64				${INC_DIRS_TO_CHECK}			\
65				${INC_LIB_DIRS_TO_CHECK}		\
66				${LIB_DIRS_TO_CHECK}
67
68
69################################################################################
70# Process build options
71################################################################################
72
73# Verbose flag
74ifeq (${V},0)
75        Q:=@
76        CHECKCODE_ARGS	+=	--no-summary --terse
77else
78        Q:=
79endif
80export Q
81
82# Process Debug flag
83$(eval $(call add_define,DEBUG))
84ifneq (${DEBUG}, 0)
85        BUILD_TYPE	:=	debug
86        TF_CFLAGS	+= 	-g
87        ASFLAGS		+= 	-g -Wa,--gdwarf-2
88        # Use LOG_LEVEL_INFO by default for debug builds
89        LOG_LEVEL	:=	40
90else
91        BUILD_TYPE	:=	release
92        $(eval $(call add_define,NDEBUG))
93        # Use LOG_LEVEL_NOTICE by default for release builds
94        LOG_LEVEL	:=	20
95endif
96
97# Default build string (git branch and commit)
98ifeq (${BUILD_STRING},)
99        BUILD_STRING	:=	$(shell git describe --always --dirty --tags 2> /dev/null)
100endif
101VERSION_STRING		:=	v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING}
102
103# The cert_create tool cannot generate certificates individually, so we use the
104# target 'certificates' to create them all
105ifneq (${GENERATE_COT},0)
106        FIP_DEPS += certificates
107        FWU_FIP_DEPS += fwu_certificates
108endif
109
110
111################################################################################
112# Toolchain
113################################################################################
114
115CC			:=	${CROSS_COMPILE}gcc
116CPP			:=	${CROSS_COMPILE}cpp
117AS			:=	${CROSS_COMPILE}gcc
118AR			:=	${CROSS_COMPILE}ar
119LD			:=	${CROSS_COMPILE}ld
120OC			:=	${CROSS_COMPILE}objcopy
121OD			:=	${CROSS_COMPILE}objdump
122NM			:=	${CROSS_COMPILE}nm
123PP			:=	${CROSS_COMPILE}gcc -E
124
125ASFLAGS_aarch64		=	-mgeneral-regs-only
126TF_CFLAGS_aarch64	=	-mgeneral-regs-only -mstrict-align
127
128ASFLAGS_aarch32		=	-march=armv8-a
129TF_CFLAGS_aarch32	=	-march=armv8-a
130
131CPPFLAGS		=	${DEFINES} ${INCLUDES} -nostdinc		\
132				-Wmissing-include-dirs -Werror
133ASFLAGS			+=	$(CPPFLAGS) $(ASFLAGS_$(ARCH))			\
134				-D__ASSEMBLY__ -ffreestanding 			\
135				-Wa,--fatal-warnings
136TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
137				-ffreestanding -fno-builtin -Wall -std=c99 -Os	\
138				-ffunction-sections -fdata-sections
139
140LDFLAGS			+=	--fatal-warnings -O1
141LDFLAGS			+=	--gc-sections
142
143
144################################################################################
145# Common sources and include directories
146################################################################################
147include lib/stdlib/stdlib.mk
148
149BL_COMMON_SOURCES	+=	common/bl_common.c			\
150				common/tf_printf.c			\
151				common/${ARCH}/debug.S			\
152				lib/${ARCH}/cache_helpers.S		\
153				lib/${ARCH}/misc_helpers.S		\
154				plat/common/${ARCH}/plat_common.c	\
155				plat/common/${ARCH}/platform_helpers.S	\
156				${STDLIB_SRCS}
157
158INCLUDES		+=	-Iinclude/bl1				\
159				-Iinclude/bl31				\
160				-Iinclude/common			\
161				-Iinclude/common/${ARCH}		\
162				-Iinclude/drivers			\
163				-Iinclude/drivers/arm			\
164				-Iinclude/drivers/auth			\
165				-Iinclude/drivers/io			\
166				-Iinclude/drivers/ti/uart		\
167				-Iinclude/lib				\
168				-Iinclude/lib/${ARCH}			\
169				-Iinclude/lib/cpus			\
170				-Iinclude/lib/cpus/${ARCH}		\
171				-Iinclude/lib/el3_runtime		\
172				-Iinclude/lib/el3_runtime/${ARCH}	\
173				-Iinclude/lib/pmf			\
174				-Iinclude/lib/psci			\
175				-Iinclude/lib/xlat_tables		\
176				-Iinclude/plat/common			\
177				-Iinclude/services			\
178				${PLAT_INCLUDES}			\
179				${SPD_INCLUDES}
180
181
182################################################################################
183# Generic definitions
184################################################################################
185
186include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
187
188BUILD_BASE		:=	./build
189BUILD_PLAT		:=	${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
190
191SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
192
193# Platforms providing their own TBB makefile may override this value
194INCLUDE_TBBR_MK		:=	1
195
196
197################################################################################
198# Include SPD Makefile if one has been specified
199################################################################################
200
201ifneq (${SPD},none)
202ifeq (${ARCH},aarch32)
203	$(error "Error: SPD is incompatible with AArch32.")
204endif
205ifdef EL3_PAYLOAD_BASE
206        $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
207        $(warning "The SPD and its BL32 companion will be present but ignored.")
208endif
209        # We expect to locate an spd.mk under the specified SPD directory
210        SPD_MAKE	:=	$(wildcard services/spd/${SPD}/${SPD}.mk)
211
212        ifeq (${SPD_MAKE},)
213                $(error Error: No services/spd/${SPD}/${SPD}.mk located)
214        endif
215        $(info Including ${SPD_MAKE})
216        include ${SPD_MAKE}
217
218        # If there's BL32 companion for the chosen SPD, we expect that the SPD's
219        # Makefile would set NEED_BL32 to "yes". In this case, the build system
220        # supports two mutually exclusive options:
221        # * BL32 is built from source: then BL32_SOURCES must contain the list
222        #   of source files to build BL32
223        # * BL32 is a prebuilt binary: then BL32 must point to the image file
224        #   that will be included in the FIP
225        # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
226        # over the sources.
227endif
228
229################################################################################
230# Include libraries' Makefile that are used in all BL
231################################################################################
232
233include lib/stack_protector/stack_protector.mk
234
235
236################################################################################
237# Include the platform specific Makefile after the SPD Makefile (the platform
238# makefile may use all previous definitions in this file)
239################################################################################
240
241include ${PLAT_MAKEFILE_FULL}
242
243# Platform compatibility is not supported in AArch32
244ifneq (${ARCH},aarch32)
245# If the platform has not defined ENABLE_PLAT_COMPAT, then enable it by default
246ifndef ENABLE_PLAT_COMPAT
247ENABLE_PLAT_COMPAT := 1
248endif
249
250# Include the platform compatibility helpers for PSCI
251ifneq (${ENABLE_PLAT_COMPAT}, 0)
252include plat/compat/plat_compat.mk
253endif
254endif
255
256# Include the CPU specific operations makefile, which provides default
257# values for all CPU errata workarounds and CPU specific optimisations.
258# This can be overridden by the platform.
259include lib/cpus/cpu-ops.mk
260
261
262################################################################################
263# Check incompatible options
264################################################################################
265
266ifdef EL3_PAYLOAD_BASE
267        ifdef PRELOADED_BL33_BASE
268                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
269                incompatible build options. EL3_PAYLOAD_BASE has priority.")
270        endif
271endif
272
273ifeq (${NEED_BL33},yes)
274        ifdef EL3_PAYLOAD_BASE
275                $(warning "BL33 image is not needed when option \
276                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
277        endif
278        ifdef PRELOADED_BL33_BASE
279                $(warning "BL33 image is not needed when option \
280                PRELOADED_BL33_BASE is used and won't be added to the FIP \
281                file.")
282        endif
283endif
284
285ifeq (${ARCH},aarch32)
286    # For AArch32, LOAD_IMAGE_V2 must be enabled.
287    ifeq (${LOAD_IMAGE_V2}, 0)
288        $(error "For AArch32, LOAD_IMAGE_V2 must be enabled.")
289    endif
290    # TRUSTED_BOARD_BOOT is currently not supported for AArch32.
291    ifeq (${TRUSTED_BOARD_BOOT},1)
292        $(error "TRUSTED_BOARD_BOOT is currently not supported for AArch32")
293    endif
294endif
295
296# When building for systems with hardware-assisted coherency, there's no need to
297# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
298ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
299$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
300endif
301
302################################################################################
303# Process platform overrideable behaviour
304################################################################################
305
306# Check if -pedantic option should be used
307ifeq (${DISABLE_PEDANTIC},0)
308        TF_CFLAGS	+= 	-pedantic
309endif
310
311# Using the ARM Trusted Firmware BL2 implies that a BL33 image also needs to be
312# supplied for the FIP and Certificate generation tools. This flag can be
313# overridden by the platform.
314ifdef BL2_SOURCES
315        ifdef EL3_PAYLOAD_BASE
316                # If booting an EL3 payload there is no need for a BL33 image
317                # in the FIP file.
318                NEED_BL33		:=	no
319        else
320                ifdef PRELOADED_BL33_BASE
321                        # If booting a BL33 preloaded image there is no need of
322                        # another one in the FIP file.
323                        NEED_BL33		:=	no
324                else
325                        NEED_BL33		?=	yes
326                endif
327        endif
328endif
329
330# If SCP_BL2 is given, we always want FIP to include it.
331ifdef SCP_BL2
332        NEED_SCP_BL2		:=	yes
333endif
334
335# Process TBB related flags
336ifneq (${GENERATE_COT},0)
337        # Common cert_create options
338        ifneq (${CREATE_KEYS},0)
339                $(eval CRT_ARGS += -n)
340                $(eval FWU_CRT_ARGS += -n)
341                ifneq (${SAVE_KEYS},0)
342                        $(eval CRT_ARGS += -k)
343                        $(eval FWU_CRT_ARGS += -k)
344                endif
345        endif
346        # Include TBBR makefile (unless the platform indicates otherwise)
347        ifeq (${INCLUDE_TBBR_MK},1)
348                include make_helpers/tbbr/tbbr_tools.mk
349        endif
350endif
351
352ifneq (${FIP_ALIGN},0)
353FIP_ARGS += --align ${FIP_ALIGN}
354endif
355
356################################################################################
357# Auxiliary tools (fiptool, cert_create, etc)
358################################################################################
359
360# Variables for use with Certificate Generation Tool
361CRTTOOLPATH		?=	tools/cert_create
362CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
363
364# Variables for use with Firmware Image Package
365FIPTOOLPATH		?=	tools/fiptool
366FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
367
368################################################################################
369# Include BL specific makefiles
370################################################################################
371ifdef BL1_SOURCES
372NEED_BL1 := yes
373include bl1/bl1.mk
374endif
375
376ifdef BL2_SOURCES
377NEED_BL2 := yes
378include bl2/bl2.mk
379endif
380
381# For AArch32, BL31 is not applicable, and BL2U is not supported at present.
382ifneq (${ARCH},aarch32)
383ifdef BL2U_SOURCES
384NEED_BL2U := yes
385include bl2u/bl2u.mk
386endif
387
388ifdef BL31_SOURCES
389# When booting an EL3 payload, there is no need to compile the BL31 image nor
390# put it in the FIP.
391ifndef EL3_PAYLOAD_BASE
392NEED_BL31 := yes
393include bl31/bl31.mk
394endif
395endif
396endif
397
398ifeq (${ARCH},aarch32)
399NEED_BL32 := yes
400
401################################################################################
402# Build `AARCH32_SP` as BL32 image for AArch32
403################################################################################
404ifneq (${AARCH32_SP},none)
405# We expect to locate an sp.mk under the specified AARCH32_SP directory
406AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
407
408ifeq (${AARCH32_SP_MAKE},)
409  $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
410endif
411
412$(info Including ${AARCH32_SP_MAKE})
413include ${AARCH32_SP_MAKE}
414endif
415
416endif
417
418################################################################################
419# Build options checks
420################################################################################
421
422$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
423$(eval $(call assert_boolean,CREATE_KEYS))
424$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
425$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
426$(eval $(call assert_boolean,DEBUG))
427$(eval $(call assert_boolean,DISABLE_PEDANTIC))
428$(eval $(call assert_boolean,ENABLE_ASSERTIONS))
429$(eval $(call assert_boolean,ENABLE_PLAT_COMPAT))
430$(eval $(call assert_boolean,ENABLE_PMF))
431$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
432$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
433$(eval $(call assert_boolean,ERROR_DEPRECATED))
434$(eval $(call assert_boolean,GENERATE_COT))
435$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY))
436$(eval $(call assert_boolean,LOAD_IMAGE_V2))
437$(eval $(call assert_boolean,NS_TIMER_SWITCH))
438$(eval $(call assert_boolean,PL011_GENERIC_UART))
439$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
440$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
441$(eval $(call assert_boolean,RESET_TO_BL31))
442$(eval $(call assert_boolean,SAVE_KEYS))
443$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
444$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
445$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
446$(eval $(call assert_boolean,USE_COHERENT_MEM))
447$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY))
448
449$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
450$(eval $(call assert_numeric,ARM_ARCH_MINOR))
451
452################################################################################
453# Add definitions to the cpp preprocessor based on the current build options.
454# This is done after including the platform specific makefile to allow the
455# platform to overwrite the default options
456################################################################################
457
458$(eval $(call add_define,ARM_CCI_PRODUCT_ID))
459$(eval $(call add_define,ARM_ARCH_MAJOR))
460$(eval $(call add_define,ARM_ARCH_MINOR))
461$(eval $(call add_define,ARM_GIC_ARCH))
462$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
463$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
464$(eval $(call add_define,CTX_INCLUDE_FPREGS))
465$(eval $(call add_define,ENABLE_ASSERTIONS))
466$(eval $(call add_define,ENABLE_PLAT_COMPAT))
467$(eval $(call add_define,ENABLE_PMF))
468$(eval $(call add_define,ENABLE_PSCI_STAT))
469$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
470$(eval $(call add_define,ERROR_DEPRECATED))
471$(eval $(call add_define,HW_ASSISTED_COHERENCY))
472$(eval $(call add_define,LOAD_IMAGE_V2))
473$(eval $(call add_define,LOG_LEVEL))
474$(eval $(call add_define,NS_TIMER_SWITCH))
475$(eval $(call add_define,PL011_GENERIC_UART))
476$(eval $(call add_define,PLAT_${PLAT}))
477$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
478$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
479$(eval $(call add_define,RESET_TO_BL31))
480$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
481$(eval $(call add_define,SPD_${SPD}))
482$(eval $(call add_define,SPIN_ON_BL1_EXIT))
483$(eval $(call add_define,TRUSTED_BOARD_BOOT))
484$(eval $(call add_define,USE_COHERENT_MEM))
485$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY))
486
487# Define the EL3_PAYLOAD_BASE flag only if it is provided.
488ifdef EL3_PAYLOAD_BASE
489        $(eval $(call add_define,EL3_PAYLOAD_BASE))
490else
491        # Define the PRELOADED_BL33_BASE flag only if it is provided and
492        # EL3_PAYLOAD_BASE is not defined, as it has priority.
493        ifdef PRELOADED_BL33_BASE
494                $(eval $(call add_define,PRELOADED_BL33_BASE))
495        endif
496endif
497# Define the AARCH32/AARCH64 flag based on the ARCH flag
498ifeq (${ARCH},aarch32)
499        $(eval $(call add_define,AARCH32))
500else
501        $(eval $(call add_define,AARCH64))
502endif
503
504################################################################################
505# Build targets
506################################################################################
507
508.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip fwu_fip certtool
509.SUFFIXES:
510
511all: msg_start
512
513msg_start:
514	@echo "Building ${PLAT}"
515
516# Check if deprecated declarations should be treated as error or not.
517ifeq (${ERROR_DEPRECATED},0)
518    TF_CFLAGS		+= 	-Wno-error=deprecated-declarations
519endif
520
521# Expand build macros for the different images
522ifeq (${NEED_BL1},yes)
523$(eval $(call MAKE_BL,1))
524endif
525
526ifeq (${NEED_BL2},yes)
527$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},tb-fw)),\
528	$(eval $(call MAKE_BL,2,tb-fw)))
529endif
530
531ifeq (${NEED_SCP_BL2},yes)
532$(eval $(call FIP_ADD_IMG,SCP_BL2,--scp-fw))
533endif
534
535ifeq (${NEED_BL31},yes)
536BL31_SOURCES += ${SPD_SOURCES}
537$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},soc-fw)),\
538	$(eval $(call MAKE_BL,31,soc-fw)))
539endif
540
541# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
542# build system will call FIP_ADD_IMG to print a warning message and abort the
543# process. Note that the dependency on BL32 applies to the FIP only.
544ifeq (${NEED_BL32},yes)
545$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},tos-fw)),\
546	$(if ${BL32_SOURCES}, $(eval $(call MAKE_BL,32,tos-fw)),\
547		$(eval $(call FIP_ADD_IMG,BL32,--tos-fw))))
548endif
549
550# Add the BL33 image if required by the platform
551ifeq (${NEED_BL33},yes)
552$(eval $(call FIP_ADD_IMG,BL33,--nt-fw))
553endif
554
555ifeq (${NEED_BL2U},yes)
556BL2U_PATH	:= $(if ${BL2U},${BL2U},$(call IMG_BIN,2u))
557$(if ${BL2U}, ,$(eval $(call MAKE_BL,2u)))
558$(eval $(call FWU_FIP_ADD_PAYLOAD,${BL2U_PATH},--ap-fwu-cfg))
559endif
560
561locate-checkpatch:
562ifndef CHECKPATCH
563	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl")
564else
565ifeq (,$(wildcard ${CHECKPATCH}))
566	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl")
567endif
568endif
569
570clean:
571	@echo "  CLEAN"
572	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
573	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
574	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
575
576realclean distclean:
577	@echo "  REALCLEAN"
578	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
579	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
580	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
581	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
582
583checkcodebase:		locate-checkpatch
584	@echo "  CHECKING STYLE"
585	@if test -d .git ; then						\
586		git ls-files | grep -E -v 'libfdt|stdlib|docs|\.md' |	\
587		while read GIT_FILE ;					\
588		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
589		done ;							\
590	else								\
591		 find . -type f -not -iwholename "*.git*"		\
592		 -not -iwholename "*build*"				\
593		 -not -iwholename "*libfdt*"				\
594		 -not -iwholename "*stdlib*"				\
595		 -not -iwholename "*docs*"				\
596		 -not -iwholename "*.md"				\
597		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
598	fi
599
600checkpatch:		locate-checkpatch
601	@echo "  CHECKING STYLE"
602	${Q}git format-patch --stdout ${BASE_COMMIT}..HEAD -- ${CHECK_PATHS} | ${CHECKPATCH} - || true
603
604certtool: ${CRTTOOL}
605
606.PHONY: ${CRTTOOL}
607${CRTTOOL}:
608	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH}
609	@${ECHO_BLANK_LINE}
610	@echo "Built $@ successfully"
611	@${ECHO_BLANK_LINE}
612
613ifneq (${GENERATE_COT},0)
614certificates: ${CRT_DEPS} ${CRTTOOL}
615	${Q}${CRTTOOL} ${CRT_ARGS}
616	@${ECHO_BLANK_LINE}
617	@echo "Built $@ successfully"
618	@echo "Certificates can be found in ${BUILD_PLAT}"
619	@${ECHO_BLANK_LINE}
620endif
621
622${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
623	${Q}${FIPTOOL} create ${FIP_ARGS} $@
624	${Q}${FIPTOOL} info $@
625	@${ECHO_BLANK_LINE}
626	@echo "Built $@ successfully"
627	@${ECHO_BLANK_LINE}
628
629ifneq (${GENERATE_COT},0)
630fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
631	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
632	@${ECHO_BLANK_LINE}
633	@echo "Built $@ successfully"
634	@echo "FWU certificates can be found in ${BUILD_PLAT}"
635	@${ECHO_BLANK_LINE}
636endif
637
638${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
639	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
640	${Q}${FIPTOOL} info $@
641	@${ECHO_BLANK_LINE}
642	@echo "Built $@ successfully"
643	@${ECHO_BLANK_LINE}
644
645fiptool: ${FIPTOOL}
646fip: ${BUILD_PLAT}/${FIP_NAME}
647fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
648
649.PHONY: ${FIPTOOL}
650${FIPTOOL}:
651	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH}
652
653cscope:
654	@echo "  CSCOPE"
655	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
656	${Q}cscope -b -q -k
657
658help:
659	@echo "usage: ${MAKE} PLAT=<${PLATFORM_LIST}> [OPTIONS] [TARGET]"
660	@echo ""
661	@echo "PLAT is used to specify which platform you wish to build."
662	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
663	@echo ""
664	@echo "Please refer to the User Guide for a list of all supported options."
665	@echo "Note that the build system doesn't track dependencies for build "
666	@echo "options. Therefore, if any of the build options are changed "
667	@echo "from a previous build, a clean build must be performed."
668	@echo ""
669	@echo "Supported Targets:"
670	@echo "  all            Build all individual bootloader binaries"
671	@echo "  bl1            Build the BL1 binary"
672	@echo "  bl2            Build the BL2 binary"
673	@echo "  bl2u           Build the BL2U binary"
674	@echo "  bl31           Build the BL31 binary"
675	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
676	@echo "                 this builds secure payload specified by AARCH32_SP"
677	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
678	@echo "  fip            Build the Firmware Image Package (FIP)"
679	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
680	@echo "  checkcodebase  Check the coding style of the entire source tree"
681	@echo "  checkpatch     Check the coding style on changes in the current"
682	@echo "                 branch against BASE_COMMIT (default origin/master)"
683	@echo "  clean          Clean the build for the selected platform"
684	@echo "  cscope         Generate cscope index"
685	@echo "  distclean      Remove all build artifacts for all platforms"
686	@echo "  certtool       Build the Certificate generation tool"
687	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
688	@echo ""
689	@echo "Note: most build targets require PLAT to be set to a specific platform."
690	@echo ""
691	@echo "example: build all targets for the FVP platform:"
692	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
693