xref: /rk3399_ARM-atf/Makefile (revision 9a3088a5f509084e60d9c55bf53985c5ec4ca821) 
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			:= 4
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
116HOSTCC			:=	gcc
117export HOSTCC
118
119CC			:=	${CROSS_COMPILE}gcc
120CPP			:=	${CROSS_COMPILE}cpp
121AS			:=	${CROSS_COMPILE}gcc
122AR			:=	${CROSS_COMPILE}ar
123LD			:=	${CROSS_COMPILE}ld
124OC			:=	${CROSS_COMPILE}objcopy
125OD			:=	${CROSS_COMPILE}objdump
126NM			:=	${CROSS_COMPILE}nm
127PP			:=	${CROSS_COMPILE}gcc -E
128
129ifeq ($(notdir $(CC)),armclang)
130TF_CFLAGS_aarch32	=	-target arm-arm-none-eabi -march=armv8-a
131TF_CFLAGS_aarch64	=	-target aarch64-arm-none-eabi -march=armv8-a
132else ifneq ($(findstring clang,$(notdir $(CC))),)
133TF_CFLAGS_aarch32	=	-target armv8a-none-eabi
134TF_CFLAGS_aarch64	=	-target aarch64-elf
135else
136TF_CFLAGS_aarch32	=	-march=armv8-a
137TF_CFLAGS_aarch64	=	-march=armv8-a
138endif
139
140TF_CFLAGS_aarch64	+=	-mgeneral-regs-only -mstrict-align
141
142ASFLAGS_aarch32		=	-march=armv8-a
143ASFLAGS_aarch64		=	-march=armv8-a
144
145CPPFLAGS		=	${DEFINES} ${INCLUDES} -nostdinc		\
146				-Wmissing-include-dirs -Werror
147ASFLAGS			+=	$(CPPFLAGS) $(ASFLAGS_$(ARCH))			\
148				-D__ASSEMBLY__ -ffreestanding 			\
149				-Wa,--fatal-warnings
150TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
151				-ffreestanding -fno-builtin -Wall -std=gnu99	\
152				-Os -ffunction-sections -fdata-sections
153
154TF_LDFLAGS		+=	--fatal-warnings -O1
155TF_LDFLAGS		+=	--gc-sections
156TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
157
158################################################################################
159# Common sources and include directories
160################################################################################
161include lib/compiler-rt/compiler-rt.mk
162include lib/stdlib/stdlib.mk
163
164BL_COMMON_SOURCES	+=	common/bl_common.c			\
165				common/tf_log.c				\
166				common/tf_printf.c			\
167				common/tf_snprintf.c			\
168				common/${ARCH}/debug.S			\
169				lib/${ARCH}/cache_helpers.S		\
170				lib/${ARCH}/misc_helpers.S		\
171				plat/common/plat_log_common.c		\
172				plat/common/${ARCH}/plat_common.c	\
173				plat/common/${ARCH}/platform_helpers.S	\
174				${COMPILER_RT_SRCS}			\
175				${STDLIB_SRCS}
176
177INCLUDES		+=	-Iinclude/bl1				\
178				-Iinclude/bl31				\
179				-Iinclude/common			\
180				-Iinclude/common/${ARCH}		\
181				-Iinclude/drivers			\
182				-Iinclude/drivers/arm			\
183				-Iinclude/drivers/auth			\
184				-Iinclude/drivers/io			\
185				-Iinclude/drivers/ti/uart		\
186				-Iinclude/lib				\
187				-Iinclude/lib/${ARCH}			\
188				-Iinclude/lib/cpus			\
189				-Iinclude/lib/cpus/${ARCH}		\
190				-Iinclude/lib/el3_runtime		\
191				-Iinclude/lib/el3_runtime/${ARCH}	\
192				-Iinclude/lib/pmf			\
193				-Iinclude/lib/psci			\
194				-Iinclude/lib/xlat_tables		\
195				-Iinclude/plat/common			\
196				-Iinclude/services			\
197				${PLAT_INCLUDES}			\
198				${SPD_INCLUDES}				\
199				-Iinclude/tools_share
200
201
202################################################################################
203# Generic definitions
204################################################################################
205
206include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
207
208BUILD_BASE		:=	./build
209BUILD_PLAT		:=	${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
210
211SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
212
213# Platforms providing their own TBB makefile may override this value
214INCLUDE_TBBR_MK		:=	1
215
216
217################################################################################
218# Include SPD Makefile if one has been specified
219################################################################################
220
221ifneq (${SPD},none)
222ifeq (${ARCH},aarch32)
223	$(error "Error: SPD is incompatible with AArch32.")
224endif
225ifdef EL3_PAYLOAD_BASE
226        $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
227        $(warning "The SPD and its BL32 companion will be present but ignored.")
228endif
229        # We expect to locate an spd.mk under the specified SPD directory
230        SPD_MAKE	:=	$(wildcard services/spd/${SPD}/${SPD}.mk)
231
232        ifeq (${SPD_MAKE},)
233                $(error Error: No services/spd/${SPD}/${SPD}.mk located)
234        endif
235        $(info Including ${SPD_MAKE})
236        include ${SPD_MAKE}
237
238        # If there's BL32 companion for the chosen SPD, we expect that the SPD's
239        # Makefile would set NEED_BL32 to "yes". In this case, the build system
240        # supports two mutually exclusive options:
241        # * BL32 is built from source: then BL32_SOURCES must contain the list
242        #   of source files to build BL32
243        # * BL32 is a prebuilt binary: then BL32 must point to the image file
244        #   that will be included in the FIP
245        # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
246        # over the sources.
247endif
248
249################################################################################
250# Include libraries' Makefile that are used in all BL
251################################################################################
252
253include lib/stack_protector/stack_protector.mk
254
255
256################################################################################
257# Include the platform specific Makefile after the SPD Makefile (the platform
258# makefile may use all previous definitions in this file)
259################################################################################
260
261include ${PLAT_MAKEFILE_FULL}
262
263$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT}))
264
265# Platform compatibility is not supported in AArch32
266ifneq (${ARCH},aarch32)
267# If the platform has not defined ENABLE_PLAT_COMPAT, then enable it by default
268ifndef ENABLE_PLAT_COMPAT
269ENABLE_PLAT_COMPAT := 1
270endif
271
272# Include the platform compatibility helpers for PSCI
273ifneq (${ENABLE_PLAT_COMPAT}, 0)
274include plat/compat/plat_compat.mk
275endif
276endif
277
278# Include the CPU specific operations makefile, which provides default
279# values for all CPU errata workarounds and CPU specific optimisations.
280# This can be overridden by the platform.
281include lib/cpus/cpu-ops.mk
282
283ifeq (${ARCH},aarch32)
284NEED_BL32 := yes
285
286################################################################################
287# Build `AARCH32_SP` as BL32 image for AArch32
288################################################################################
289ifneq (${AARCH32_SP},none)
290# We expect to locate an sp.mk under the specified AARCH32_SP directory
291AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
292
293ifeq (${AARCH32_SP_MAKE},)
294  $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
295endif
296
297$(info Including ${AARCH32_SP_MAKE})
298include ${AARCH32_SP_MAKE}
299endif
300
301endif
302
303################################################################################
304# Check incompatible options
305################################################################################
306
307ifdef EL3_PAYLOAD_BASE
308        ifdef PRELOADED_BL33_BASE
309                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
310                incompatible build options. EL3_PAYLOAD_BASE has priority.")
311        endif
312        ifneq (${GENERATE_COT},0)
313                $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.")
314        endif
315        ifneq (${TRUSTED_BOARD_BOOT},0)
316                $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.")
317        endif
318endif
319
320ifeq (${NEED_BL33},yes)
321        ifdef EL3_PAYLOAD_BASE
322                $(warning "BL33 image is not needed when option \
323                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
324        endif
325        ifdef PRELOADED_BL33_BASE
326                $(warning "BL33 image is not needed when option \
327                PRELOADED_BL33_BASE is used and won't be added to the FIP \
328                file.")
329        endif
330endif
331
332# For AArch32, LOAD_IMAGE_V2 must be enabled.
333ifeq (${ARCH},aarch32)
334    ifeq (${LOAD_IMAGE_V2}, 0)
335        $(error "For AArch32, LOAD_IMAGE_V2 must be enabled.")
336    endif
337endif
338
339# When building for systems with hardware-assisted coherency, there's no need to
340# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
341ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
342$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
343endif
344
345################################################################################
346# Process platform overrideable behaviour
347################################################################################
348
349# Using the ARM Trusted Firmware BL2 implies that a BL33 image also needs to be
350# supplied for the FIP and Certificate generation tools. This flag can be
351# overridden by the platform.
352ifdef BL2_SOURCES
353        ifdef EL3_PAYLOAD_BASE
354                # If booting an EL3 payload there is no need for a BL33 image
355                # in the FIP file.
356                NEED_BL33		:=	no
357        else
358                ifdef PRELOADED_BL33_BASE
359                        # If booting a BL33 preloaded image there is no need of
360                        # another one in the FIP file.
361                        NEED_BL33		:=	no
362                else
363                        NEED_BL33		?=	yes
364                endif
365        endif
366endif
367
368# If SCP_BL2 is given, we always want FIP to include it.
369ifdef SCP_BL2
370        NEED_SCP_BL2		:=	yes
371endif
372
373# Process TBB related flags
374ifneq (${GENERATE_COT},0)
375        # Common cert_create options
376        ifneq (${CREATE_KEYS},0)
377                $(eval CRT_ARGS += -n)
378                $(eval FWU_CRT_ARGS += -n)
379                ifneq (${SAVE_KEYS},0)
380                        $(eval CRT_ARGS += -k)
381                        $(eval FWU_CRT_ARGS += -k)
382                endif
383        endif
384        # Include TBBR makefile (unless the platform indicates otherwise)
385        ifeq (${INCLUDE_TBBR_MK},1)
386                include make_helpers/tbbr/tbbr_tools.mk
387        endif
388endif
389
390ifneq (${FIP_ALIGN},0)
391FIP_ARGS += --align ${FIP_ALIGN}
392endif
393
394################################################################################
395# Auxiliary tools (fiptool, cert_create, etc)
396################################################################################
397
398# Variables for use with Certificate Generation Tool
399CRTTOOLPATH		?=	tools/cert_create
400CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
401
402# Variables for use with Firmware Image Package
403FIPTOOLPATH		?=	tools/fiptool
404FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
405
406################################################################################
407# Include BL specific makefiles
408################################################################################
409ifdef BL1_SOURCES
410NEED_BL1 := yes
411include bl1/bl1.mk
412endif
413
414ifdef BL2_SOURCES
415NEED_BL2 := yes
416include bl2/bl2.mk
417endif
418
419ifdef BL2U_SOURCES
420NEED_BL2U := yes
421include bl2u/bl2u.mk
422endif
423
424# For AArch32, BL31 is not currently supported.
425ifneq (${ARCH},aarch32)
426ifdef BL31_SOURCES
427# When booting an EL3 payload, there is no need to compile the BL31 image nor
428# put it in the FIP.
429ifndef EL3_PAYLOAD_BASE
430NEED_BL31 := yes
431include bl31/bl31.mk
432endif
433endif
434endif
435
436################################################################################
437# Build options checks
438################################################################################
439
440$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
441$(eval $(call assert_boolean,CREATE_KEYS))
442$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
443$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
444$(eval $(call assert_boolean,DEBUG))
445$(eval $(call assert_boolean,DISABLE_PEDANTIC))
446$(eval $(call assert_boolean,ENABLE_ASSERTIONS))
447$(eval $(call assert_boolean,ENABLE_PLAT_COMPAT))
448$(eval $(call assert_boolean,ENABLE_PMF))
449$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
450$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
451$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS))
452$(eval $(call assert_boolean,ERROR_DEPRECATED))
453$(eval $(call assert_boolean,GENERATE_COT))
454$(eval $(call assert_boolean,GICV2_G0_FOR_EL3))
455$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY))
456$(eval $(call assert_boolean,LOAD_IMAGE_V2))
457$(eval $(call assert_boolean,NS_TIMER_SWITCH))
458$(eval $(call assert_boolean,PL011_GENERIC_UART))
459$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
460$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
461$(eval $(call assert_boolean,RESET_TO_BL31))
462$(eval $(call assert_boolean,SAVE_KEYS))
463$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
464$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
465$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
466$(eval $(call assert_boolean,USE_COHERENT_MEM))
467$(eval $(call assert_boolean,USE_TBBR_DEFS))
468$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY))
469
470$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
471$(eval $(call assert_numeric,ARM_ARCH_MINOR))
472
473################################################################################
474# Add definitions to the cpp preprocessor based on the current build options.
475# This is done after including the platform specific makefile to allow the
476# platform to overwrite the default options
477################################################################################
478
479$(eval $(call add_define,ARM_ARCH_MAJOR))
480$(eval $(call add_define,ARM_ARCH_MINOR))
481$(eval $(call add_define,ARM_GIC_ARCH))
482$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
483$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
484$(eval $(call add_define,CTX_INCLUDE_FPREGS))
485$(eval $(call add_define,ENABLE_ASSERTIONS))
486$(eval $(call add_define,ENABLE_PLAT_COMPAT))
487$(eval $(call add_define,ENABLE_PMF))
488$(eval $(call add_define,ENABLE_PSCI_STAT))
489$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
490$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS))
491$(eval $(call add_define,ERROR_DEPRECATED))
492$(eval $(call add_define,GICV2_G0_FOR_EL3))
493$(eval $(call add_define,HW_ASSISTED_COHERENCY))
494$(eval $(call add_define,LOAD_IMAGE_V2))
495$(eval $(call add_define,LOG_LEVEL))
496$(eval $(call add_define,NS_TIMER_SWITCH))
497$(eval $(call add_define,PL011_GENERIC_UART))
498$(eval $(call add_define,PLAT_${PLAT}))
499$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
500$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
501$(eval $(call add_define,RESET_TO_BL31))
502$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
503$(eval $(call add_define,ENABLE_SPM))
504$(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 $(call add_define,USE_COHERENT_MEM))
508$(eval $(call add_define,USE_TBBR_DEFS))
509$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY))
510
511# Define the EL3_PAYLOAD_BASE flag only if it is provided.
512ifdef EL3_PAYLOAD_BASE
513        $(eval $(call add_define,EL3_PAYLOAD_BASE))
514else
515        # Define the PRELOADED_BL33_BASE flag only if it is provided and
516        # EL3_PAYLOAD_BASE is not defined, as it has priority.
517        ifdef PRELOADED_BL33_BASE
518                $(eval $(call add_define,PRELOADED_BL33_BASE))
519        endif
520endif
521# Define the AARCH32/AARCH64 flag based on the ARCH flag
522ifeq (${ARCH},aarch32)
523        $(eval $(call add_define,AARCH32))
524else
525        $(eval $(call add_define,AARCH64))
526endif
527
528################################################################################
529# Build targets
530################################################################################
531
532.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip fwu_fip certtool
533.SUFFIXES:
534
535all: msg_start
536
537msg_start:
538	@echo "Building ${PLAT}"
539
540# Check if deprecated declarations should be treated as error or not.
541ifeq (${ERROR_DEPRECATED},0)
542    TF_CFLAGS		+= 	-Wno-error=deprecated-declarations
543endif
544
545# Expand build macros for the different images
546ifeq (${NEED_BL1},yes)
547$(eval $(call MAKE_BL,1))
548endif
549
550ifeq (${NEED_BL2},yes)
551$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},tb-fw)),\
552	$(eval $(call MAKE_BL,2,tb-fw)))
553endif
554
555ifeq (${NEED_SCP_BL2},yes)
556$(eval $(call FIP_ADD_IMG,SCP_BL2,--scp-fw))
557endif
558
559ifeq (${NEED_BL31},yes)
560BL31_SOURCES += ${SPD_SOURCES}
561$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},soc-fw)),\
562	$(eval $(call MAKE_BL,31,soc-fw)))
563endif
564
565# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
566# build system will call FIP_ADD_IMG to print a warning message and abort the
567# process. Note that the dependency on BL32 applies to the FIP only.
568ifeq (${NEED_BL32},yes)
569$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},tos-fw)),\
570	$(if ${BL32_SOURCES}, $(eval $(call MAKE_BL,32,tos-fw)),\
571		$(eval $(call FIP_ADD_IMG,BL32,--tos-fw))))
572endif
573
574# Add the BL33 image if required by the platform
575ifeq (${NEED_BL33},yes)
576$(eval $(call FIP_ADD_IMG,BL33,--nt-fw))
577endif
578
579ifeq (${NEED_BL2U},yes)
580BL2U_PATH	:= $(if ${BL2U},${BL2U},$(call IMG_BIN,2u))
581$(if ${BL2U}, ,$(eval $(call MAKE_BL,2u)))
582$(eval $(call FWU_FIP_ADD_PAYLOAD,${BL2U_PATH},--ap-fwu-cfg))
583endif
584
585locate-checkpatch:
586ifndef CHECKPATCH
587	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
588else
589ifeq (,$(wildcard ${CHECKPATCH}))
590	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
591endif
592endif
593
594clean:
595	@echo "  CLEAN"
596	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
597	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
598	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
599
600realclean distclean:
601	@echo "  REALCLEAN"
602	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
603	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
604	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
605	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
606
607checkcodebase:		locate-checkpatch
608	@echo "  CHECKING STYLE"
609	@if test -d .git ; then						\
610		git ls-files | grep -E -v 'libfdt|stdlib|docs|\.md' |	\
611		while read GIT_FILE ;					\
612		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
613		done ;							\
614	else								\
615		 find . -type f -not -iwholename "*.git*"		\
616		 -not -iwholename "*build*"				\
617		 -not -iwholename "*libfdt*"				\
618		 -not -iwholename "*stdlib*"				\
619		 -not -iwholename "*docs*"				\
620		 -not -iwholename "*.md"				\
621		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
622	fi
623
624checkpatch:		locate-checkpatch
625	@echo "  CHECKING STYLE"
626	${Q}git format-patch --stdout ${BASE_COMMIT}..HEAD -- ${CHECK_PATHS} | ${CHECKPATCH} - || true
627
628certtool: ${CRTTOOL}
629
630.PHONY: ${CRTTOOL}
631${CRTTOOL}:
632	${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH}
633	@${ECHO_BLANK_LINE}
634	@echo "Built $@ successfully"
635	@${ECHO_BLANK_LINE}
636
637ifneq (${GENERATE_COT},0)
638certificates: ${CRT_DEPS} ${CRTTOOL}
639	${Q}${CRTTOOL} ${CRT_ARGS}
640	@${ECHO_BLANK_LINE}
641	@echo "Built $@ successfully"
642	@echo "Certificates can be found in ${BUILD_PLAT}"
643	@${ECHO_BLANK_LINE}
644endif
645
646${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
647	${Q}${FIPTOOL} create ${FIP_ARGS} $@
648	${Q}${FIPTOOL} info $@
649	@${ECHO_BLANK_LINE}
650	@echo "Built $@ successfully"
651	@${ECHO_BLANK_LINE}
652
653ifneq (${GENERATE_COT},0)
654fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
655	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
656	@${ECHO_BLANK_LINE}
657	@echo "Built $@ successfully"
658	@echo "FWU certificates can be found in ${BUILD_PLAT}"
659	@${ECHO_BLANK_LINE}
660endif
661
662${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
663	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
664	${Q}${FIPTOOL} info $@
665	@${ECHO_BLANK_LINE}
666	@echo "Built $@ successfully"
667	@${ECHO_BLANK_LINE}
668
669fiptool: ${FIPTOOL}
670fip: ${BUILD_PLAT}/${FIP_NAME}
671fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
672
673.PHONY: ${FIPTOOL}
674${FIPTOOL}:
675	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH}
676
677cscope:
678	@echo "  CSCOPE"
679	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
680	${Q}cscope -b -q -k
681
682help:
683	@echo "usage: ${MAKE} PLAT=<${PLATFORM_LIST}> [OPTIONS] [TARGET]"
684	@echo ""
685	@echo "PLAT is used to specify which platform you wish to build."
686	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
687	@echo ""
688	@echo "Please refer to the User Guide for a list of all supported options."
689	@echo "Note that the build system doesn't track dependencies for build "
690	@echo "options. Therefore, if any of the build options are changed "
691	@echo "from a previous build, a clean build must be performed."
692	@echo ""
693	@echo "Supported Targets:"
694	@echo "  all            Build all individual bootloader binaries"
695	@echo "  bl1            Build the BL1 binary"
696	@echo "  bl2            Build the BL2 binary"
697	@echo "  bl2u           Build the BL2U binary"
698	@echo "  bl31           Build the BL31 binary"
699	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
700	@echo "                 this builds secure payload specified by AARCH32_SP"
701	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
702	@echo "  fip            Build the Firmware Image Package (FIP)"
703	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
704	@echo "  checkcodebase  Check the coding style of the entire source tree"
705	@echo "  checkpatch     Check the coding style on changes in the current"
706	@echo "                 branch against BASE_COMMIT (default origin/master)"
707	@echo "  clean          Clean the build for the selected platform"
708	@echo "  cscope         Generate cscope index"
709	@echo "  distclean      Remove all build artifacts for all platforms"
710	@echo "  certtool       Build the Certificate generation tool"
711	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
712	@echo ""
713	@echo "Note: most build targets require PLAT to be set to a specific platform."
714	@echo ""
715	@echo "example: build all targets for the FVP platform:"
716	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
717