xref: /rk3399_ARM-atf/Makefile (revision 1f33ad4e9f86f2d72eb9640a834708e1a13496db) 
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
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
154LDFLAGS			+=	--fatal-warnings -O1
155LDFLAGS			+=	--gc-sections
156
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_printf.c			\
166				common/tf_snprintf.c			\
167				common/${ARCH}/debug.S			\
168				lib/${ARCH}/cache_helpers.S		\
169				lib/${ARCH}/misc_helpers.S		\
170				plat/common/${ARCH}/plat_common.c	\
171				plat/common/${ARCH}/platform_helpers.S	\
172				${COMPILER_RT_SRCS}			\
173				${STDLIB_SRCS}
174
175INCLUDES		+=	-Iinclude/bl1				\
176				-Iinclude/bl31				\
177				-Iinclude/common			\
178				-Iinclude/common/${ARCH}		\
179				-Iinclude/drivers			\
180				-Iinclude/drivers/arm			\
181				-Iinclude/drivers/auth			\
182				-Iinclude/drivers/io			\
183				-Iinclude/drivers/ti/uart		\
184				-Iinclude/lib				\
185				-Iinclude/lib/${ARCH}			\
186				-Iinclude/lib/cpus			\
187				-Iinclude/lib/cpus/${ARCH}		\
188				-Iinclude/lib/el3_runtime		\
189				-Iinclude/lib/el3_runtime/${ARCH}	\
190				-Iinclude/lib/pmf			\
191				-Iinclude/lib/psci			\
192				-Iinclude/lib/xlat_tables		\
193				-Iinclude/plat/common			\
194				-Iinclude/services			\
195				${PLAT_INCLUDES}			\
196				${SPD_INCLUDES}				\
197				-Iinclude/tools_share
198
199
200################################################################################
201# Generic definitions
202################################################################################
203
204include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
205
206BUILD_BASE		:=	./build
207BUILD_PLAT		:=	${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
208
209SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
210
211# Platforms providing their own TBB makefile may override this value
212INCLUDE_TBBR_MK		:=	1
213
214
215################################################################################
216# Include SPD Makefile if one has been specified
217################################################################################
218
219ifneq (${SPD},none)
220ifeq (${ARCH},aarch32)
221	$(error "Error: SPD is incompatible with AArch32.")
222endif
223ifdef EL3_PAYLOAD_BASE
224        $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
225        $(warning "The SPD and its BL32 companion will be present but ignored.")
226endif
227        # We expect to locate an spd.mk under the specified SPD directory
228        SPD_MAKE	:=	$(wildcard services/spd/${SPD}/${SPD}.mk)
229
230        ifeq (${SPD_MAKE},)
231                $(error Error: No services/spd/${SPD}/${SPD}.mk located)
232        endif
233        $(info Including ${SPD_MAKE})
234        include ${SPD_MAKE}
235
236        # If there's BL32 companion for the chosen SPD, we expect that the SPD's
237        # Makefile would set NEED_BL32 to "yes". In this case, the build system
238        # supports two mutually exclusive options:
239        # * BL32 is built from source: then BL32_SOURCES must contain the list
240        #   of source files to build BL32
241        # * BL32 is a prebuilt binary: then BL32 must point to the image file
242        #   that will be included in the FIP
243        # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
244        # over the sources.
245endif
246
247################################################################################
248# Include libraries' Makefile that are used in all BL
249################################################################################
250
251include lib/stack_protector/stack_protector.mk
252
253
254################################################################################
255# Include the platform specific Makefile after the SPD Makefile (the platform
256# makefile may use all previous definitions in this file)
257################################################################################
258
259include ${PLAT_MAKEFILE_FULL}
260
261# Platform compatibility is not supported in AArch32
262ifneq (${ARCH},aarch32)
263# If the platform has not defined ENABLE_PLAT_COMPAT, then enable it by default
264ifndef ENABLE_PLAT_COMPAT
265ENABLE_PLAT_COMPAT := 1
266endif
267
268# Include the platform compatibility helpers for PSCI
269ifneq (${ENABLE_PLAT_COMPAT}, 0)
270include plat/compat/plat_compat.mk
271endif
272endif
273
274# Include the CPU specific operations makefile, which provides default
275# values for all CPU errata workarounds and CPU specific optimisations.
276# This can be overridden by the platform.
277include lib/cpus/cpu-ops.mk
278
279ifeq (${ARCH},aarch32)
280NEED_BL32 := yes
281
282################################################################################
283# Build `AARCH32_SP` as BL32 image for AArch32
284################################################################################
285ifneq (${AARCH32_SP},none)
286# We expect to locate an sp.mk under the specified AARCH32_SP directory
287AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
288
289ifeq (${AARCH32_SP_MAKE},)
290  $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
291endif
292
293$(info Including ${AARCH32_SP_MAKE})
294include ${AARCH32_SP_MAKE}
295endif
296
297endif
298
299################################################################################
300# Check incompatible options
301################################################################################
302
303ifdef EL3_PAYLOAD_BASE
304        ifdef PRELOADED_BL33_BASE
305                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
306                incompatible build options. EL3_PAYLOAD_BASE has priority.")
307        endif
308endif
309
310ifeq (${NEED_BL33},yes)
311        ifdef EL3_PAYLOAD_BASE
312                $(warning "BL33 image is not needed when option \
313                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
314        endif
315        ifdef PRELOADED_BL33_BASE
316                $(warning "BL33 image is not needed when option \
317                PRELOADED_BL33_BASE is used and won't be added to the FIP \
318                file.")
319        endif
320endif
321
322# For AArch32, LOAD_IMAGE_V2 must be enabled.
323ifeq (${ARCH},aarch32)
324    ifeq (${LOAD_IMAGE_V2}, 0)
325        $(error "For AArch32, LOAD_IMAGE_V2 must be enabled.")
326    endif
327endif
328
329# When building for systems with hardware-assisted coherency, there's no need to
330# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
331ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
332$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
333endif
334
335################################################################################
336# Process platform overrideable behaviour
337################################################################################
338
339# Check if -pedantic option should be used
340ifeq (${DISABLE_PEDANTIC},0)
341        TF_CFLAGS	+= 	-pedantic
342endif
343
344# Using the ARM Trusted Firmware BL2 implies that a BL33 image also needs to be
345# supplied for the FIP and Certificate generation tools. This flag can be
346# overridden by the platform.
347ifdef BL2_SOURCES
348        ifdef EL3_PAYLOAD_BASE
349                # If booting an EL3 payload there is no need for a BL33 image
350                # in the FIP file.
351                NEED_BL33		:=	no
352        else
353                ifdef PRELOADED_BL33_BASE
354                        # If booting a BL33 preloaded image there is no need of
355                        # another one in the FIP file.
356                        NEED_BL33		:=	no
357                else
358                        NEED_BL33		?=	yes
359                endif
360        endif
361endif
362
363# If SCP_BL2 is given, we always want FIP to include it.
364ifdef SCP_BL2
365        NEED_SCP_BL2		:=	yes
366endif
367
368# Process TBB related flags
369ifneq (${GENERATE_COT},0)
370        # Common cert_create options
371        ifneq (${CREATE_KEYS},0)
372                $(eval CRT_ARGS += -n)
373                $(eval FWU_CRT_ARGS += -n)
374                ifneq (${SAVE_KEYS},0)
375                        $(eval CRT_ARGS += -k)
376                        $(eval FWU_CRT_ARGS += -k)
377                endif
378        endif
379        # Include TBBR makefile (unless the platform indicates otherwise)
380        ifeq (${INCLUDE_TBBR_MK},1)
381                include make_helpers/tbbr/tbbr_tools.mk
382        endif
383endif
384
385ifneq (${FIP_ALIGN},0)
386FIP_ARGS += --align ${FIP_ALIGN}
387endif
388
389################################################################################
390# Auxiliary tools (fiptool, cert_create, etc)
391################################################################################
392
393# Variables for use with Certificate Generation Tool
394CRTTOOLPATH		?=	tools/cert_create
395CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
396
397# Variables for use with Firmware Image Package
398FIPTOOLPATH		?=	tools/fiptool
399FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
400
401################################################################################
402# Include BL specific makefiles
403################################################################################
404ifdef BL1_SOURCES
405NEED_BL1 := yes
406include bl1/bl1.mk
407endif
408
409ifdef BL2_SOURCES
410NEED_BL2 := yes
411include bl2/bl2.mk
412endif
413
414ifdef BL2U_SOURCES
415NEED_BL2U := yes
416include bl2u/bl2u.mk
417endif
418
419# For AArch32, BL31 is not currently supported.
420ifneq (${ARCH},aarch32)
421ifdef BL31_SOURCES
422# When booting an EL3 payload, there is no need to compile the BL31 image nor
423# put it in the FIP.
424ifndef EL3_PAYLOAD_BASE
425NEED_BL31 := yes
426include bl31/bl31.mk
427endif
428endif
429endif
430
431################################################################################
432# Build options checks
433################################################################################
434
435$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
436$(eval $(call assert_boolean,CREATE_KEYS))
437$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
438$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
439$(eval $(call assert_boolean,DEBUG))
440$(eval $(call assert_boolean,DISABLE_PEDANTIC))
441$(eval $(call assert_boolean,ENABLE_ASSERTIONS))
442$(eval $(call assert_boolean,ENABLE_PLAT_COMPAT))
443$(eval $(call assert_boolean,ENABLE_PMF))
444$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
445$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
446$(eval $(call assert_boolean,ERROR_DEPRECATED))
447$(eval $(call assert_boolean,GENERATE_COT))
448$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY))
449$(eval $(call assert_boolean,LOAD_IMAGE_V2))
450$(eval $(call assert_boolean,NS_TIMER_SWITCH))
451$(eval $(call assert_boolean,PL011_GENERIC_UART))
452$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
453$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
454$(eval $(call assert_boolean,RESET_TO_BL31))
455$(eval $(call assert_boolean,SAVE_KEYS))
456$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
457$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
458$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
459$(eval $(call assert_boolean,USE_COHERENT_MEM))
460$(eval $(call assert_boolean,USE_TBBR_DEFS))
461$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY))
462
463$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
464$(eval $(call assert_numeric,ARM_ARCH_MINOR))
465
466################################################################################
467# Add definitions to the cpp preprocessor based on the current build options.
468# This is done after including the platform specific makefile to allow the
469# platform to overwrite the default options
470################################################################################
471
472$(eval $(call add_define,ARM_CCI_PRODUCT_ID))
473$(eval $(call add_define,ARM_ARCH_MAJOR))
474$(eval $(call add_define,ARM_ARCH_MINOR))
475$(eval $(call add_define,ARM_GIC_ARCH))
476$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
477$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
478$(eval $(call add_define,CTX_INCLUDE_FPREGS))
479$(eval $(call add_define,ENABLE_ASSERTIONS))
480$(eval $(call add_define,ENABLE_PLAT_COMPAT))
481$(eval $(call add_define,ENABLE_PMF))
482$(eval $(call add_define,ENABLE_PSCI_STAT))
483$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
484$(eval $(call add_define,ERROR_DEPRECATED))
485$(eval $(call add_define,HW_ASSISTED_COHERENCY))
486$(eval $(call add_define,LOAD_IMAGE_V2))
487$(eval $(call add_define,LOG_LEVEL))
488$(eval $(call add_define,NS_TIMER_SWITCH))
489$(eval $(call add_define,PL011_GENERIC_UART))
490$(eval $(call add_define,PLAT_${PLAT}))
491$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
492$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
493$(eval $(call add_define,RESET_TO_BL31))
494$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
495$(eval $(call add_define,SPD_${SPD}))
496$(eval $(call add_define,SPIN_ON_BL1_EXIT))
497$(eval $(call add_define,TRUSTED_BOARD_BOOT))
498$(eval $(call add_define,USE_COHERENT_MEM))
499$(eval $(call add_define,USE_TBBR_DEFS))
500$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY))
501
502# Define the EL3_PAYLOAD_BASE flag only if it is provided.
503ifdef EL3_PAYLOAD_BASE
504        $(eval $(call add_define,EL3_PAYLOAD_BASE))
505else
506        # Define the PRELOADED_BL33_BASE flag only if it is provided and
507        # EL3_PAYLOAD_BASE is not defined, as it has priority.
508        ifdef PRELOADED_BL33_BASE
509                $(eval $(call add_define,PRELOADED_BL33_BASE))
510        endif
511endif
512# Define the AARCH32/AARCH64 flag based on the ARCH flag
513ifeq (${ARCH},aarch32)
514        $(eval $(call add_define,AARCH32))
515else
516        $(eval $(call add_define,AARCH64))
517endif
518
519################################################################################
520# Build targets
521################################################################################
522
523.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip fwu_fip certtool
524.SUFFIXES:
525
526all: msg_start
527
528msg_start:
529	@echo "Building ${PLAT}"
530
531# Check if deprecated declarations should be treated as error or not.
532ifeq (${ERROR_DEPRECATED},0)
533    TF_CFLAGS		+= 	-Wno-error=deprecated-declarations
534endif
535
536# Expand build macros for the different images
537ifeq (${NEED_BL1},yes)
538$(eval $(call MAKE_BL,1))
539endif
540
541ifeq (${NEED_BL2},yes)
542$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},tb-fw)),\
543	$(eval $(call MAKE_BL,2,tb-fw)))
544endif
545
546ifeq (${NEED_SCP_BL2},yes)
547$(eval $(call FIP_ADD_IMG,SCP_BL2,--scp-fw))
548endif
549
550ifeq (${NEED_BL31},yes)
551BL31_SOURCES += ${SPD_SOURCES}
552$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},soc-fw)),\
553	$(eval $(call MAKE_BL,31,soc-fw)))
554endif
555
556# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
557# build system will call FIP_ADD_IMG to print a warning message and abort the
558# process. Note that the dependency on BL32 applies to the FIP only.
559ifeq (${NEED_BL32},yes)
560$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},tos-fw)),\
561	$(if ${BL32_SOURCES}, $(eval $(call MAKE_BL,32,tos-fw)),\
562		$(eval $(call FIP_ADD_IMG,BL32,--tos-fw))))
563endif
564
565# Add the BL33 image if required by the platform
566ifeq (${NEED_BL33},yes)
567$(eval $(call FIP_ADD_IMG,BL33,--nt-fw))
568endif
569
570ifeq (${NEED_BL2U},yes)
571BL2U_PATH	:= $(if ${BL2U},${BL2U},$(call IMG_BIN,2u))
572$(if ${BL2U}, ,$(eval $(call MAKE_BL,2u)))
573$(eval $(call FWU_FIP_ADD_PAYLOAD,${BL2U_PATH},--ap-fwu-cfg))
574endif
575
576locate-checkpatch:
577ifndef CHECKPATCH
578	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl")
579else
580ifeq (,$(wildcard ${CHECKPATCH}))
581	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl")
582endif
583endif
584
585clean:
586	@echo "  CLEAN"
587	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
588	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
589	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
590
591realclean distclean:
592	@echo "  REALCLEAN"
593	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
594	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
595	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
596	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
597
598checkcodebase:		locate-checkpatch
599	@echo "  CHECKING STYLE"
600	@if test -d .git ; then						\
601		git ls-files | grep -E -v 'libfdt|stdlib|docs|\.md' |	\
602		while read GIT_FILE ;					\
603		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
604		done ;							\
605	else								\
606		 find . -type f -not -iwholename "*.git*"		\
607		 -not -iwholename "*build*"				\
608		 -not -iwholename "*libfdt*"				\
609		 -not -iwholename "*stdlib*"				\
610		 -not -iwholename "*docs*"				\
611		 -not -iwholename "*.md"				\
612		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
613	fi
614
615checkpatch:		locate-checkpatch
616	@echo "  CHECKING STYLE"
617	${Q}git format-patch --stdout ${BASE_COMMIT}..HEAD -- ${CHECK_PATHS} | ${CHECKPATCH} - || true
618
619certtool: ${CRTTOOL}
620
621.PHONY: ${CRTTOOL}
622${CRTTOOL}:
623	${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH}
624	@${ECHO_BLANK_LINE}
625	@echo "Built $@ successfully"
626	@${ECHO_BLANK_LINE}
627
628ifneq (${GENERATE_COT},0)
629certificates: ${CRT_DEPS} ${CRTTOOL}
630	${Q}${CRTTOOL} ${CRT_ARGS}
631	@${ECHO_BLANK_LINE}
632	@echo "Built $@ successfully"
633	@echo "Certificates can be found in ${BUILD_PLAT}"
634	@${ECHO_BLANK_LINE}
635endif
636
637${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
638	${Q}${FIPTOOL} create ${FIP_ARGS} $@
639	${Q}${FIPTOOL} info $@
640	@${ECHO_BLANK_LINE}
641	@echo "Built $@ successfully"
642	@${ECHO_BLANK_LINE}
643
644ifneq (${GENERATE_COT},0)
645fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
646	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
647	@${ECHO_BLANK_LINE}
648	@echo "Built $@ successfully"
649	@echo "FWU certificates can be found in ${BUILD_PLAT}"
650	@${ECHO_BLANK_LINE}
651endif
652
653${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
654	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
655	${Q}${FIPTOOL} info $@
656	@${ECHO_BLANK_LINE}
657	@echo "Built $@ successfully"
658	@${ECHO_BLANK_LINE}
659
660fiptool: ${FIPTOOL}
661fip: ${BUILD_PLAT}/${FIP_NAME}
662fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
663
664.PHONY: ${FIPTOOL}
665${FIPTOOL}:
666	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH}
667
668cscope:
669	@echo "  CSCOPE"
670	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
671	${Q}cscope -b -q -k
672
673help:
674	@echo "usage: ${MAKE} PLAT=<${PLATFORM_LIST}> [OPTIONS] [TARGET]"
675	@echo ""
676	@echo "PLAT is used to specify which platform you wish to build."
677	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
678	@echo ""
679	@echo "Please refer to the User Guide for a list of all supported options."
680	@echo "Note that the build system doesn't track dependencies for build "
681	@echo "options. Therefore, if any of the build options are changed "
682	@echo "from a previous build, a clean build must be performed."
683	@echo ""
684	@echo "Supported Targets:"
685	@echo "  all            Build all individual bootloader binaries"
686	@echo "  bl1            Build the BL1 binary"
687	@echo "  bl2            Build the BL2 binary"
688	@echo "  bl2u           Build the BL2U binary"
689	@echo "  bl31           Build the BL31 binary"
690	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
691	@echo "                 this builds secure payload specified by AARCH32_SP"
692	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
693	@echo "  fip            Build the Firmware Image Package (FIP)"
694	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
695	@echo "  checkcodebase  Check the coding style of the entire source tree"
696	@echo "  checkpatch     Check the coding style on changes in the current"
697	@echo "                 branch against BASE_COMMIT (default origin/master)"
698	@echo "  clean          Clean the build for the selected platform"
699	@echo "  cscope         Generate cscope index"
700	@echo "  distclean      Remove all build artifacts for all platforms"
701	@echo "  certtool       Build the Certificate generation tool"
702	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
703	@echo ""
704	@echo "Note: most build targets require PLAT to be set to a specific platform."
705	@echo ""
706	@echo "example: build all targets for the FVP platform:"
707	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
708