xref: /rk3399_ARM-atf/Makefile (revision d77b98cabf228b277af2bc5e5ea9c4b221a6cd7b) 
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/compiler-rt			\
55					lib/libfdt%			\
56					lib/stdlib,			\
57					$(wildcard lib/*)))
58ROOT_DIRS_TO_CHECK	:=	$(sort $(filter-out			\
59					lib				\
60					include				\
61					docs				\
62					%.md,				\
63					$(wildcard *)))
64CHECK_PATHS		:=	${ROOT_DIRS_TO_CHECK}			\
65				${INC_DIRS_TO_CHECK}			\
66				${INC_LIB_DIRS_TO_CHECK}		\
67				${LIB_DIRS_TO_CHECK}
68
69
70################################################################################
71# Process build options
72################################################################################
73
74# Verbose flag
75ifeq (${V},0)
76        Q:=@
77        CHECKCODE_ARGS	+=	--no-summary --terse
78else
79        Q:=
80endif
81export Q
82
83# Process Debug flag
84$(eval $(call add_define,DEBUG))
85ifneq (${DEBUG}, 0)
86        BUILD_TYPE	:=	debug
87        TF_CFLAGS	+= 	-g
88        ASFLAGS		+= 	-g -Wa,--gdwarf-2
89        # Use LOG_LEVEL_INFO by default for debug builds
90        LOG_LEVEL	:=	40
91else
92        BUILD_TYPE	:=	release
93        $(eval $(call add_define,NDEBUG))
94        # Use LOG_LEVEL_NOTICE by default for release builds
95        LOG_LEVEL	:=	20
96endif
97
98# Default build string (git branch and commit)
99ifeq (${BUILD_STRING},)
100        BUILD_STRING	:=	$(shell git describe --always --dirty --tags 2> /dev/null)
101endif
102VERSION_STRING		:=	v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING}
103
104# The cert_create tool cannot generate certificates individually, so we use the
105# target 'certificates' to create them all
106ifneq (${GENERATE_COT},0)
107        FIP_DEPS += certificates
108        FWU_FIP_DEPS += fwu_certificates
109endif
110
111
112################################################################################
113# Toolchain
114################################################################################
115
116CC			:=	${CROSS_COMPILE}gcc
117CPP			:=	${CROSS_COMPILE}cpp
118AS			:=	${CROSS_COMPILE}gcc
119AR			:=	${CROSS_COMPILE}ar
120LD			:=	${CROSS_COMPILE}ld
121OC			:=	${CROSS_COMPILE}objcopy
122OD			:=	${CROSS_COMPILE}objdump
123NM			:=	${CROSS_COMPILE}nm
124PP			:=	${CROSS_COMPILE}gcc -E
125
126ASFLAGS_aarch64		=	-mgeneral-regs-only
127TF_CFLAGS_aarch64	=	-mgeneral-regs-only -mstrict-align
128
129ASFLAGS_aarch32		=	-march=armv8-a
130TF_CFLAGS_aarch32	=	-march=armv8-a
131
132CPPFLAGS		=	${DEFINES} ${INCLUDES} -nostdinc		\
133				-Wmissing-include-dirs -Werror
134ASFLAGS			+=	$(CPPFLAGS) $(ASFLAGS_$(ARCH))			\
135				-D__ASSEMBLY__ -ffreestanding 			\
136				-Wa,--fatal-warnings
137TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
138				-ffreestanding -fno-builtin -Wall -std=c99 -Os	\
139				-ffunction-sections -fdata-sections
140
141LDFLAGS			+=	--fatal-warnings -O1
142LDFLAGS			+=	--gc-sections
143
144
145################################################################################
146# Common sources and include directories
147################################################################################
148include lib/compiler-rt/compiler-rt.mk
149include lib/stdlib/stdlib.mk
150
151BL_COMMON_SOURCES	+=	common/bl_common.c			\
152				common/tf_printf.c			\
153				common/tf_snprintf.c			\
154				common/${ARCH}/debug.S			\
155				lib/${ARCH}/cache_helpers.S		\
156				lib/${ARCH}/misc_helpers.S		\
157				plat/common/${ARCH}/plat_common.c	\
158				plat/common/${ARCH}/platform_helpers.S	\
159				${COMPILER_RT_SRCS}			\
160				${STDLIB_SRCS}
161
162INCLUDES		+=	-Iinclude/bl1				\
163				-Iinclude/bl31				\
164				-Iinclude/common			\
165				-Iinclude/common/${ARCH}		\
166				-Iinclude/drivers			\
167				-Iinclude/drivers/arm			\
168				-Iinclude/drivers/auth			\
169				-Iinclude/drivers/io			\
170				-Iinclude/drivers/ti/uart		\
171				-Iinclude/lib				\
172				-Iinclude/lib/${ARCH}			\
173				-Iinclude/lib/cpus			\
174				-Iinclude/lib/cpus/${ARCH}		\
175				-Iinclude/lib/el3_runtime		\
176				-Iinclude/lib/el3_runtime/${ARCH}	\
177				-Iinclude/lib/pmf			\
178				-Iinclude/lib/psci			\
179				-Iinclude/lib/xlat_tables		\
180				-Iinclude/plat/common			\
181				-Iinclude/services			\
182				${PLAT_INCLUDES}			\
183				${SPD_INCLUDES}
184
185
186################################################################################
187# Generic definitions
188################################################################################
189
190include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
191
192BUILD_BASE		:=	./build
193BUILD_PLAT		:=	${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
194
195SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
196
197# Platforms providing their own TBB makefile may override this value
198INCLUDE_TBBR_MK		:=	1
199
200
201################################################################################
202# Include SPD Makefile if one has been specified
203################################################################################
204
205ifneq (${SPD},none)
206ifeq (${ARCH},aarch32)
207	$(error "Error: SPD is incompatible with AArch32.")
208endif
209ifdef EL3_PAYLOAD_BASE
210        $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
211        $(warning "The SPD and its BL32 companion will be present but ignored.")
212endif
213        # We expect to locate an spd.mk under the specified SPD directory
214        SPD_MAKE	:=	$(wildcard services/spd/${SPD}/${SPD}.mk)
215
216        ifeq (${SPD_MAKE},)
217                $(error Error: No services/spd/${SPD}/${SPD}.mk located)
218        endif
219        $(info Including ${SPD_MAKE})
220        include ${SPD_MAKE}
221
222        # If there's BL32 companion for the chosen SPD, we expect that the SPD's
223        # Makefile would set NEED_BL32 to "yes". In this case, the build system
224        # supports two mutually exclusive options:
225        # * BL32 is built from source: then BL32_SOURCES must contain the list
226        #   of source files to build BL32
227        # * BL32 is a prebuilt binary: then BL32 must point to the image file
228        #   that will be included in the FIP
229        # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
230        # over the sources.
231endif
232
233################################################################################
234# Include libraries' Makefile that are used in all BL
235################################################################################
236
237include lib/stack_protector/stack_protector.mk
238
239
240################################################################################
241# Include the platform specific Makefile after the SPD Makefile (the platform
242# makefile may use all previous definitions in this file)
243################################################################################
244
245include ${PLAT_MAKEFILE_FULL}
246
247# Platform compatibility is not supported in AArch32
248ifneq (${ARCH},aarch32)
249# If the platform has not defined ENABLE_PLAT_COMPAT, then enable it by default
250ifndef ENABLE_PLAT_COMPAT
251ENABLE_PLAT_COMPAT := 1
252endif
253
254# Include the platform compatibility helpers for PSCI
255ifneq (${ENABLE_PLAT_COMPAT}, 0)
256include plat/compat/plat_compat.mk
257endif
258endif
259
260# Include the CPU specific operations makefile, which provides default
261# values for all CPU errata workarounds and CPU specific optimisations.
262# This can be overridden by the platform.
263include lib/cpus/cpu-ops.mk
264
265ifeq (${ARCH},aarch32)
266NEED_BL32 := yes
267
268################################################################################
269# Build `AARCH32_SP` as BL32 image for AArch32
270################################################################################
271ifneq (${AARCH32_SP},none)
272# We expect to locate an sp.mk under the specified AARCH32_SP directory
273AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
274
275ifeq (${AARCH32_SP_MAKE},)
276  $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
277endif
278
279$(info Including ${AARCH32_SP_MAKE})
280include ${AARCH32_SP_MAKE}
281endif
282
283endif
284
285################################################################################
286# Check incompatible options
287################################################################################
288
289ifdef EL3_PAYLOAD_BASE
290        ifdef PRELOADED_BL33_BASE
291                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
292                incompatible build options. EL3_PAYLOAD_BASE has priority.")
293        endif
294endif
295
296ifeq (${NEED_BL33},yes)
297        ifdef EL3_PAYLOAD_BASE
298                $(warning "BL33 image is not needed when option \
299                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
300        endif
301        ifdef PRELOADED_BL33_BASE
302                $(warning "BL33 image is not needed when option \
303                PRELOADED_BL33_BASE is used and won't be added to the FIP \
304                file.")
305        endif
306endif
307
308# For AArch32, LOAD_IMAGE_V2 must be enabled.
309ifeq (${ARCH},aarch32)
310    ifeq (${LOAD_IMAGE_V2}, 0)
311        $(error "For AArch32, LOAD_IMAGE_V2 must be enabled.")
312    endif
313endif
314
315# When building for systems with hardware-assisted coherency, there's no need to
316# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
317ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
318$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
319endif
320
321################################################################################
322# Process platform overrideable behaviour
323################################################################################
324
325# Check if -pedantic option should be used
326ifeq (${DISABLE_PEDANTIC},0)
327        TF_CFLAGS	+= 	-pedantic
328endif
329
330# Using the ARM Trusted Firmware BL2 implies that a BL33 image also needs to be
331# supplied for the FIP and Certificate generation tools. This flag can be
332# overridden by the platform.
333ifdef BL2_SOURCES
334        ifdef EL3_PAYLOAD_BASE
335                # If booting an EL3 payload there is no need for a BL33 image
336                # in the FIP file.
337                NEED_BL33		:=	no
338        else
339                ifdef PRELOADED_BL33_BASE
340                        # If booting a BL33 preloaded image there is no need of
341                        # another one in the FIP file.
342                        NEED_BL33		:=	no
343                else
344                        NEED_BL33		?=	yes
345                endif
346        endif
347endif
348
349# If SCP_BL2 is given, we always want FIP to include it.
350ifdef SCP_BL2
351        NEED_SCP_BL2		:=	yes
352endif
353
354# Process TBB related flags
355ifneq (${GENERATE_COT},0)
356        # Common cert_create options
357        ifneq (${CREATE_KEYS},0)
358                $(eval CRT_ARGS += -n)
359                $(eval FWU_CRT_ARGS += -n)
360                ifneq (${SAVE_KEYS},0)
361                        $(eval CRT_ARGS += -k)
362                        $(eval FWU_CRT_ARGS += -k)
363                endif
364        endif
365        # Include TBBR makefile (unless the platform indicates otherwise)
366        ifeq (${INCLUDE_TBBR_MK},1)
367                include make_helpers/tbbr/tbbr_tools.mk
368        endif
369endif
370
371ifneq (${FIP_ALIGN},0)
372FIP_ARGS += --align ${FIP_ALIGN}
373endif
374
375################################################################################
376# Auxiliary tools (fiptool, cert_create, etc)
377################################################################################
378
379# Variables for use with Certificate Generation Tool
380CRTTOOLPATH		?=	tools/cert_create
381CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
382
383# Variables for use with Firmware Image Package
384FIPTOOLPATH		?=	tools/fiptool
385FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
386
387################################################################################
388# Include BL specific makefiles
389################################################################################
390ifdef BL1_SOURCES
391NEED_BL1 := yes
392include bl1/bl1.mk
393endif
394
395ifdef BL2_SOURCES
396NEED_BL2 := yes
397include bl2/bl2.mk
398endif
399
400ifdef BL2U_SOURCES
401NEED_BL2U := yes
402include bl2u/bl2u.mk
403endif
404
405# For AArch32, BL31 is not currently supported.
406ifneq (${ARCH},aarch32)
407ifdef BL31_SOURCES
408# When booting an EL3 payload, there is no need to compile the BL31 image nor
409# put it in the FIP.
410ifndef EL3_PAYLOAD_BASE
411NEED_BL31 := yes
412include bl31/bl31.mk
413endif
414endif
415endif
416
417################################################################################
418# Build options checks
419################################################################################
420
421$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
422$(eval $(call assert_boolean,CREATE_KEYS))
423$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
424$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
425$(eval $(call assert_boolean,DEBUG))
426$(eval $(call assert_boolean,DISABLE_PEDANTIC))
427$(eval $(call assert_boolean,ENABLE_ASSERTIONS))
428$(eval $(call assert_boolean,ENABLE_PLAT_COMPAT))
429$(eval $(call assert_boolean,ENABLE_PMF))
430$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
431$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
432$(eval $(call assert_boolean,ERROR_DEPRECATED))
433$(eval $(call assert_boolean,GENERATE_COT))
434$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY))
435$(eval $(call assert_boolean,LOAD_IMAGE_V2))
436$(eval $(call assert_boolean,NS_TIMER_SWITCH))
437$(eval $(call assert_boolean,PL011_GENERIC_UART))
438$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
439$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
440$(eval $(call assert_boolean,RESET_TO_BL31))
441$(eval $(call assert_boolean,SAVE_KEYS))
442$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
443$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
444$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
445$(eval $(call assert_boolean,USE_COHERENT_MEM))
446$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY))
447
448$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
449$(eval $(call assert_numeric,ARM_ARCH_MINOR))
450
451################################################################################
452# Add definitions to the cpp preprocessor based on the current build options.
453# This is done after including the platform specific makefile to allow the
454# platform to overwrite the default options
455################################################################################
456
457$(eval $(call add_define,ARM_CCI_PRODUCT_ID))
458$(eval $(call add_define,ARM_ARCH_MAJOR))
459$(eval $(call add_define,ARM_ARCH_MINOR))
460$(eval $(call add_define,ARM_GIC_ARCH))
461$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
462$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
463$(eval $(call add_define,CTX_INCLUDE_FPREGS))
464$(eval $(call add_define,ENABLE_ASSERTIONS))
465$(eval $(call add_define,ENABLE_PLAT_COMPAT))
466$(eval $(call add_define,ENABLE_PMF))
467$(eval $(call add_define,ENABLE_PSCI_STAT))
468$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
469$(eval $(call add_define,ERROR_DEPRECATED))
470$(eval $(call add_define,HW_ASSISTED_COHERENCY))
471$(eval $(call add_define,LOAD_IMAGE_V2))
472$(eval $(call add_define,LOG_LEVEL))
473$(eval $(call add_define,NS_TIMER_SWITCH))
474$(eval $(call add_define,PL011_GENERIC_UART))
475$(eval $(call add_define,PLAT_${PLAT}))
476$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
477$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
478$(eval $(call add_define,RESET_TO_BL31))
479$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
480$(eval $(call add_define,SPD_${SPD}))
481$(eval $(call add_define,SPIN_ON_BL1_EXIT))
482$(eval $(call add_define,TRUSTED_BOARD_BOOT))
483$(eval $(call add_define,USE_COHERENT_MEM))
484$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY))
485
486# Define the EL3_PAYLOAD_BASE flag only if it is provided.
487ifdef EL3_PAYLOAD_BASE
488        $(eval $(call add_define,EL3_PAYLOAD_BASE))
489else
490        # Define the PRELOADED_BL33_BASE flag only if it is provided and
491        # EL3_PAYLOAD_BASE is not defined, as it has priority.
492        ifdef PRELOADED_BL33_BASE
493                $(eval $(call add_define,PRELOADED_BL33_BASE))
494        endif
495endif
496# Define the AARCH32/AARCH64 flag based on the ARCH flag
497ifeq (${ARCH},aarch32)
498        $(eval $(call add_define,AARCH32))
499else
500        $(eval $(call add_define,AARCH64))
501endif
502
503################################################################################
504# Build targets
505################################################################################
506
507.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip fwu_fip certtool
508.SUFFIXES:
509
510all: msg_start
511
512msg_start:
513	@echo "Building ${PLAT}"
514
515# Check if deprecated declarations should be treated as error or not.
516ifeq (${ERROR_DEPRECATED},0)
517    TF_CFLAGS		+= 	-Wno-error=deprecated-declarations
518endif
519
520# Expand build macros for the different images
521ifeq (${NEED_BL1},yes)
522$(eval $(call MAKE_BL,1))
523endif
524
525ifeq (${NEED_BL2},yes)
526$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},tb-fw)),\
527	$(eval $(call MAKE_BL,2,tb-fw)))
528endif
529
530ifeq (${NEED_SCP_BL2},yes)
531$(eval $(call FIP_ADD_IMG,SCP_BL2,--scp-fw))
532endif
533
534ifeq (${NEED_BL31},yes)
535BL31_SOURCES += ${SPD_SOURCES}
536$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},soc-fw)),\
537	$(eval $(call MAKE_BL,31,soc-fw)))
538endif
539
540# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
541# build system will call FIP_ADD_IMG to print a warning message and abort the
542# process. Note that the dependency on BL32 applies to the FIP only.
543ifeq (${NEED_BL32},yes)
544$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},tos-fw)),\
545	$(if ${BL32_SOURCES}, $(eval $(call MAKE_BL,32,tos-fw)),\
546		$(eval $(call FIP_ADD_IMG,BL32,--tos-fw))))
547endif
548
549# Add the BL33 image if required by the platform
550ifeq (${NEED_BL33},yes)
551$(eval $(call FIP_ADD_IMG,BL33,--nt-fw))
552endif
553
554ifeq (${NEED_BL2U},yes)
555BL2U_PATH	:= $(if ${BL2U},${BL2U},$(call IMG_BIN,2u))
556$(if ${BL2U}, ,$(eval $(call MAKE_BL,2u)))
557$(eval $(call FWU_FIP_ADD_PAYLOAD,${BL2U_PATH},--ap-fwu-cfg))
558endif
559
560locate-checkpatch:
561ifndef CHECKPATCH
562	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl")
563else
564ifeq (,$(wildcard ${CHECKPATCH}))
565	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl")
566endif
567endif
568
569clean:
570	@echo "  CLEAN"
571	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
572	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
573	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
574
575realclean distclean:
576	@echo "  REALCLEAN"
577	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
578	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
579	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
580	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
581
582checkcodebase:		locate-checkpatch
583	@echo "  CHECKING STYLE"
584	@if test -d .git ; then						\
585		git ls-files | grep -E -v 'libfdt|stdlib|docs|\.md' |	\
586		while read GIT_FILE ;					\
587		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
588		done ;							\
589	else								\
590		 find . -type f -not -iwholename "*.git*"		\
591		 -not -iwholename "*build*"				\
592		 -not -iwholename "*libfdt*"				\
593		 -not -iwholename "*stdlib*"				\
594		 -not -iwholename "*docs*"				\
595		 -not -iwholename "*.md"				\
596		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
597	fi
598
599checkpatch:		locate-checkpatch
600	@echo "  CHECKING STYLE"
601	${Q}git format-patch --stdout ${BASE_COMMIT}..HEAD -- ${CHECK_PATHS} | ${CHECKPATCH} - || true
602
603certtool: ${CRTTOOL}
604
605.PHONY: ${CRTTOOL}
606${CRTTOOL}:
607	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH}
608	@${ECHO_BLANK_LINE}
609	@echo "Built $@ successfully"
610	@${ECHO_BLANK_LINE}
611
612ifneq (${GENERATE_COT},0)
613certificates: ${CRT_DEPS} ${CRTTOOL}
614	${Q}${CRTTOOL} ${CRT_ARGS}
615	@${ECHO_BLANK_LINE}
616	@echo "Built $@ successfully"
617	@echo "Certificates can be found in ${BUILD_PLAT}"
618	@${ECHO_BLANK_LINE}
619endif
620
621${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
622	${Q}${FIPTOOL} create ${FIP_ARGS} $@
623	${Q}${FIPTOOL} info $@
624	@${ECHO_BLANK_LINE}
625	@echo "Built $@ successfully"
626	@${ECHO_BLANK_LINE}
627
628ifneq (${GENERATE_COT},0)
629fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
630	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
631	@${ECHO_BLANK_LINE}
632	@echo "Built $@ successfully"
633	@echo "FWU certificates can be found in ${BUILD_PLAT}"
634	@${ECHO_BLANK_LINE}
635endif
636
637${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
638	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
639	${Q}${FIPTOOL} info $@
640	@${ECHO_BLANK_LINE}
641	@echo "Built $@ successfully"
642	@${ECHO_BLANK_LINE}
643
644fiptool: ${FIPTOOL}
645fip: ${BUILD_PLAT}/${FIP_NAME}
646fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
647
648.PHONY: ${FIPTOOL}
649${FIPTOOL}:
650	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH}
651
652cscope:
653	@echo "  CSCOPE"
654	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
655	${Q}cscope -b -q -k
656
657help:
658	@echo "usage: ${MAKE} PLAT=<${PLATFORM_LIST}> [OPTIONS] [TARGET]"
659	@echo ""
660	@echo "PLAT is used to specify which platform you wish to build."
661	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
662	@echo ""
663	@echo "Please refer to the User Guide for a list of all supported options."
664	@echo "Note that the build system doesn't track dependencies for build "
665	@echo "options. Therefore, if any of the build options are changed "
666	@echo "from a previous build, a clean build must be performed."
667	@echo ""
668	@echo "Supported Targets:"
669	@echo "  all            Build all individual bootloader binaries"
670	@echo "  bl1            Build the BL1 binary"
671	@echo "  bl2            Build the BL2 binary"
672	@echo "  bl2u           Build the BL2U binary"
673	@echo "  bl31           Build the BL31 binary"
674	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
675	@echo "                 this builds secure payload specified by AARCH32_SP"
676	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
677	@echo "  fip            Build the Firmware Image Package (FIP)"
678	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
679	@echo "  checkcodebase  Check the coding style of the entire source tree"
680	@echo "  checkpatch     Check the coding style on changes in the current"
681	@echo "                 branch against BASE_COMMIT (default origin/master)"
682	@echo "  clean          Clean the build for the selected platform"
683	@echo "  cscope         Generate cscope index"
684	@echo "  distclean      Remove all build artifacts for all platforms"
685	@echo "  certtool       Build the Certificate generation tool"
686	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
687	@echo ""
688	@echo "Note: most build targets require PLAT to be set to a specific platform."
689	@echo ""
690	@echo "example: build all targets for the FVP platform:"
691	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
692