xref: /rk3399_ARM-atf/Makefile (revision 03b397a828299eba573f7a46dd74410b45f50ee1) 
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			:=	${CROSS_COMPILE}gcc -E
128DTC			?=	dtc
129
130ifeq ($(notdir $(CC)),armclang)
131TF_CFLAGS_aarch32	=	-target arm-arm-none-eabi -march=armv8-a
132TF_CFLAGS_aarch64	=	-target aarch64-arm-none-eabi -march=armv8-a
133else ifneq ($(findstring clang,$(notdir $(CC))),)
134TF_CFLAGS_aarch32	=	-target armv8a-none-eabi
135TF_CFLAGS_aarch64	=	-target aarch64-elf
136else
137TF_CFLAGS_aarch32	=	-march=armv8-a
138TF_CFLAGS_aarch64	=	-march=armv8-a
139endif
140
141TF_CFLAGS_aarch64	+=	-mgeneral-regs-only -mstrict-align
142
143ASFLAGS_aarch32		=	-march=armv8-a
144ASFLAGS_aarch64		=	-march=armv8-a
145
146CPPFLAGS		=	${DEFINES} ${INCLUDES} -nostdinc		\
147				-Wmissing-include-dirs -Werror
148ASFLAGS			+=	$(CPPFLAGS) $(ASFLAGS_$(ARCH))			\
149				-D__ASSEMBLY__ -ffreestanding 			\
150				-Wa,--fatal-warnings
151TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
152				-ffreestanding -fno-builtin -Wall -std=gnu99	\
153				-Os -ffunction-sections -fdata-sections
154
155TF_LDFLAGS		+=	--fatal-warnings -O1
156TF_LDFLAGS		+=	--gc-sections
157TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
158
159DTC_FLAGS		+=	-I dts -O dtb
160
161################################################################################
162# Common sources and include directories
163################################################################################
164include lib/compiler-rt/compiler-rt.mk
165include lib/stdlib/stdlib.mk
166
167BL_COMMON_SOURCES	+=	common/bl_common.c			\
168				common/tf_log.c				\
169				common/tf_printf.c			\
170				common/tf_snprintf.c			\
171				common/${ARCH}/debug.S			\
172				lib/${ARCH}/cache_helpers.S		\
173				lib/${ARCH}/misc_helpers.S		\
174				plat/common/plat_log_common.c		\
175				plat/common/${ARCH}/plat_common.c	\
176				plat/common/${ARCH}/platform_helpers.S	\
177				${COMPILER_RT_SRCS}			\
178				${STDLIB_SRCS}
179
180INCLUDES		+=	-Iinclude/bl1				\
181				-Iinclude/bl31				\
182				-Iinclude/common			\
183				-Iinclude/common/${ARCH}		\
184				-Iinclude/drivers			\
185				-Iinclude/drivers/arm			\
186				-Iinclude/drivers/auth			\
187				-Iinclude/drivers/io			\
188				-Iinclude/drivers/ti/uart		\
189				-Iinclude/lib				\
190				-Iinclude/lib/${ARCH}			\
191				-Iinclude/lib/cpus			\
192				-Iinclude/lib/cpus/${ARCH}		\
193				-Iinclude/lib/el3_runtime		\
194				-Iinclude/lib/el3_runtime/${ARCH}	\
195				-Iinclude/lib/pmf			\
196				-Iinclude/lib/psci			\
197				-Iinclude/lib/xlat_tables		\
198				-Iinclude/plat/common			\
199				-Iinclude/services			\
200				${PLAT_INCLUDES}			\
201				${SPD_INCLUDES}				\
202				-Iinclude/tools_share
203
204
205################################################################################
206# Generic definitions
207################################################################################
208
209include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
210
211BUILD_BASE		:=	./build
212BUILD_PLAT		:=	${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
213
214SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
215
216# Platforms providing their own TBB makefile may override this value
217INCLUDE_TBBR_MK		:=	1
218
219
220################################################################################
221# Include SPD Makefile if one has been specified
222################################################################################
223
224ifneq (${SPD},none)
225ifeq (${ARCH},aarch32)
226	$(error "Error: SPD is incompatible with AArch32.")
227endif
228ifdef EL3_PAYLOAD_BASE
229        $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
230        $(warning "The SPD and its BL32 companion will be present but ignored.")
231endif
232        # We expect to locate an spd.mk under the specified SPD directory
233        SPD_MAKE	:=	$(wildcard services/spd/${SPD}/${SPD}.mk)
234
235        ifeq (${SPD_MAKE},)
236                $(error Error: No services/spd/${SPD}/${SPD}.mk located)
237        endif
238        $(info Including ${SPD_MAKE})
239        include ${SPD_MAKE}
240
241        # If there's BL32 companion for the chosen SPD, we expect that the SPD's
242        # Makefile would set NEED_BL32 to "yes". In this case, the build system
243        # supports two mutually exclusive options:
244        # * BL32 is built from source: then BL32_SOURCES must contain the list
245        #   of source files to build BL32
246        # * BL32 is a prebuilt binary: then BL32 must point to the image file
247        #   that will be included in the FIP
248        # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
249        # over the sources.
250endif
251
252################################################################################
253# Include libraries' Makefile that are used in all BL
254################################################################################
255
256include lib/stack_protector/stack_protector.mk
257
258
259################################################################################
260# Include the platform specific Makefile after the SPD Makefile (the platform
261# makefile may use all previous definitions in this file)
262################################################################################
263
264include ${PLAT_MAKEFILE_FULL}
265
266# Platform compatibility is not supported in AArch32
267ifneq (${ARCH},aarch32)
268# If the platform has not defined ENABLE_PLAT_COMPAT, then enable it by default
269ifndef ENABLE_PLAT_COMPAT
270ENABLE_PLAT_COMPAT := 1
271endif
272
273# Include the platform compatibility helpers for PSCI
274ifneq (${ENABLE_PLAT_COMPAT}, 0)
275include plat/compat/plat_compat.mk
276endif
277endif
278
279# Include the CPU specific operations makefile, which provides default
280# values for all CPU errata workarounds and CPU specific optimisations.
281# This can be overridden by the platform.
282include lib/cpus/cpu-ops.mk
283
284ifeq (${ARCH},aarch32)
285NEED_BL32 := yes
286
287################################################################################
288# Build `AARCH32_SP` as BL32 image for AArch32
289################################################################################
290ifneq (${AARCH32_SP},none)
291# We expect to locate an sp.mk under the specified AARCH32_SP directory
292AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
293
294ifeq (${AARCH32_SP_MAKE},)
295  $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
296endif
297
298$(info Including ${AARCH32_SP_MAKE})
299include ${AARCH32_SP_MAKE}
300endif
301
302endif
303
304################################################################################
305# Check incompatible options
306################################################################################
307
308ifdef EL3_PAYLOAD_BASE
309        ifdef PRELOADED_BL33_BASE
310                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
311                incompatible build options. EL3_PAYLOAD_BASE has priority.")
312        endif
313        ifneq (${GENERATE_COT},0)
314                $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.")
315        endif
316        ifneq (${TRUSTED_BOARD_BOOT},0)
317                $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.")
318        endif
319endif
320
321ifeq (${NEED_BL33},yes)
322        ifdef EL3_PAYLOAD_BASE
323                $(warning "BL33 image is not needed when option \
324                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
325        endif
326        ifdef PRELOADED_BL33_BASE
327                $(warning "BL33 image is not needed when option \
328                PRELOADED_BL33_BASE is used and won't be added to the FIP \
329                file.")
330        endif
331endif
332
333# For AArch32, LOAD_IMAGE_V2 must be enabled.
334ifeq (${ARCH},aarch32)
335    ifeq (${LOAD_IMAGE_V2}, 0)
336        $(error "For AArch32, LOAD_IMAGE_V2 must be enabled.")
337    endif
338endif
339
340# When building for systems with hardware-assisted coherency, there's no need to
341# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
342ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
343$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
344endif
345
346################################################################################
347# Process platform overrideable behaviour
348################################################################################
349
350# Using the ARM Trusted Firmware BL2 implies that a BL33 image also needs to be
351# supplied for the FIP and Certificate generation tools. This flag can be
352# overridden by the platform.
353ifdef BL2_SOURCES
354        ifdef EL3_PAYLOAD_BASE
355                # If booting an EL3 payload there is no need for a BL33 image
356                # in the FIP file.
357                NEED_BL33		:=	no
358        else
359                ifdef PRELOADED_BL33_BASE
360                        # If booting a BL33 preloaded image there is no need of
361                        # another one in the FIP file.
362                        NEED_BL33		:=	no
363                else
364                        NEED_BL33		?=	yes
365                endif
366        endif
367endif
368
369# If SCP_BL2 is given, we always want FIP to include it.
370ifdef SCP_BL2
371        NEED_SCP_BL2		:=	yes
372endif
373
374# Process TBB related flags
375ifneq (${GENERATE_COT},0)
376        # Common cert_create options
377        ifneq (${CREATE_KEYS},0)
378                $(eval CRT_ARGS += -n)
379                $(eval FWU_CRT_ARGS += -n)
380                ifneq (${SAVE_KEYS},0)
381                        $(eval CRT_ARGS += -k)
382                        $(eval FWU_CRT_ARGS += -k)
383                endif
384        endif
385        # Include TBBR makefile (unless the platform indicates otherwise)
386        ifeq (${INCLUDE_TBBR_MK},1)
387                include make_helpers/tbbr/tbbr_tools.mk
388        endif
389endif
390
391ifneq (${FIP_ALIGN},0)
392FIP_ARGS += --align ${FIP_ALIGN}
393endif
394
395################################################################################
396# Auxiliary tools (fiptool, cert_create, etc)
397################################################################################
398
399# Variables for use with Certificate Generation Tool
400CRTTOOLPATH		?=	tools/cert_create
401CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
402
403# Variables for use with Firmware Image Package
404FIPTOOLPATH		?=	tools/fiptool
405FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
406
407################################################################################
408# Include BL specific makefiles
409################################################################################
410ifdef BL1_SOURCES
411NEED_BL1 := yes
412include bl1/bl1.mk
413endif
414
415ifdef BL2_SOURCES
416NEED_BL2 := yes
417include bl2/bl2.mk
418endif
419
420ifdef BL2U_SOURCES
421NEED_BL2U := yes
422include bl2u/bl2u.mk
423endif
424
425# For AArch32, BL31 is not currently supported.
426ifneq (${ARCH},aarch32)
427ifdef BL31_SOURCES
428# When booting an EL3 payload, there is no need to compile the BL31 image nor
429# put it in the FIP.
430ifndef EL3_PAYLOAD_BASE
431NEED_BL31 := yes
432include bl31/bl31.mk
433endif
434endif
435endif
436
437ifdef FDT_SOURCES
438NEED_FDT := yes
439endif
440
441################################################################################
442# Build options checks
443################################################################################
444
445$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
446$(eval $(call assert_boolean,CREATE_KEYS))
447$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
448$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
449$(eval $(call assert_boolean,DEBUG))
450$(eval $(call assert_boolean,DISABLE_PEDANTIC))
451$(eval $(call assert_boolean,ENABLE_ASSERTIONS))
452$(eval $(call assert_boolean,ENABLE_PLAT_COMPAT))
453$(eval $(call assert_boolean,ENABLE_PMF))
454$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
455$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
456$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS))
457$(eval $(call assert_boolean,ERROR_DEPRECATED))
458$(eval $(call assert_boolean,GENERATE_COT))
459$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY))
460$(eval $(call assert_boolean,LOAD_IMAGE_V2))
461$(eval $(call assert_boolean,NS_TIMER_SWITCH))
462$(eval $(call assert_boolean,PL011_GENERIC_UART))
463$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
464$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
465$(eval $(call assert_boolean,RESET_TO_BL31))
466$(eval $(call assert_boolean,SAVE_KEYS))
467$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
468$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
469$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
470$(eval $(call assert_boolean,USE_COHERENT_MEM))
471$(eval $(call assert_boolean,USE_TBBR_DEFS))
472$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY))
473
474$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
475$(eval $(call assert_numeric,ARM_ARCH_MINOR))
476
477################################################################################
478# Add definitions to the cpp preprocessor based on the current build options.
479# This is done after including the platform specific makefile to allow the
480# platform to overwrite the default options
481################################################################################
482
483$(eval $(call add_define,ARM_ARCH_MAJOR))
484$(eval $(call add_define,ARM_ARCH_MINOR))
485$(eval $(call add_define,ARM_GIC_ARCH))
486$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
487$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
488$(eval $(call add_define,CTX_INCLUDE_FPREGS))
489$(eval $(call add_define,ENABLE_ASSERTIONS))
490$(eval $(call add_define,ENABLE_PLAT_COMPAT))
491$(eval $(call add_define,ENABLE_PMF))
492$(eval $(call add_define,ENABLE_PSCI_STAT))
493$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
494$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS))
495$(eval $(call add_define,ERROR_DEPRECATED))
496$(eval $(call add_define,HW_ASSISTED_COHERENCY))
497$(eval $(call add_define,LOAD_IMAGE_V2))
498$(eval $(call add_define,LOG_LEVEL))
499$(eval $(call add_define,NS_TIMER_SWITCH))
500$(eval $(call add_define,PL011_GENERIC_UART))
501$(eval $(call add_define,PLAT_${PLAT}))
502$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
503$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
504$(eval $(call add_define,RESET_TO_BL31))
505$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
506$(eval $(call add_define,SPD_${SPD}))
507$(eval $(call add_define,SPIN_ON_BL1_EXIT))
508$(eval $(call add_define,TRUSTED_BOARD_BOOT))
509$(eval $(call add_define,USE_COHERENT_MEM))
510$(eval $(call add_define,USE_TBBR_DEFS))
511$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY))
512
513# Define the EL3_PAYLOAD_BASE flag only if it is provided.
514ifdef EL3_PAYLOAD_BASE
515        $(eval $(call add_define,EL3_PAYLOAD_BASE))
516else
517        # Define the PRELOADED_BL33_BASE flag only if it is provided and
518        # EL3_PAYLOAD_BASE is not defined, as it has priority.
519        ifdef PRELOADED_BL33_BASE
520                $(eval $(call add_define,PRELOADED_BL33_BASE))
521        endif
522endif
523# Define the AARCH32/AARCH64 flag based on the ARCH flag
524ifeq (${ARCH},aarch32)
525        $(eval $(call add_define,AARCH32))
526else
527        $(eval $(call add_define,AARCH64))
528endif
529
530################################################################################
531# Build targets
532################################################################################
533
534.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip fwu_fip certtool dtbs
535.SUFFIXES:
536
537all: msg_start
538
539msg_start:
540	@echo "Building ${PLAT}"
541
542# Check if deprecated declarations should be treated as error or not.
543ifeq (${ERROR_DEPRECATED},0)
544    TF_CFLAGS		+= 	-Wno-error=deprecated-declarations
545endif
546
547# Expand build macros for the different images
548ifeq (${NEED_BL1},yes)
549$(eval $(call MAKE_BL,1))
550endif
551
552ifeq (${NEED_BL2},yes)
553$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},tb-fw)),\
554	$(eval $(call MAKE_BL,2,tb-fw)))
555endif
556
557ifeq (${NEED_SCP_BL2},yes)
558$(eval $(call FIP_ADD_IMG,SCP_BL2,--scp-fw))
559endif
560
561ifeq (${NEED_BL31},yes)
562BL31_SOURCES += ${SPD_SOURCES}
563$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},soc-fw)),\
564	$(eval $(call MAKE_BL,31,soc-fw)))
565endif
566
567# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
568# build system will call FIP_ADD_IMG to print a warning message and abort the
569# process. Note that the dependency on BL32 applies to the FIP only.
570ifeq (${NEED_BL32},yes)
571$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},tos-fw)),\
572	$(if ${BL32_SOURCES}, $(eval $(call MAKE_BL,32,tos-fw)),\
573		$(eval $(call FIP_ADD_IMG,BL32,--tos-fw))))
574endif
575
576# Add the BL33 image if required by the platform
577ifeq (${NEED_BL33},yes)
578$(eval $(call FIP_ADD_IMG,BL33,--nt-fw))
579endif
580
581ifeq (${NEED_BL2U},yes)
582BL2U_PATH	:= $(if ${BL2U},${BL2U},$(call IMG_BIN,2u))
583$(if ${BL2U}, ,$(eval $(call MAKE_BL,2u)))
584$(eval $(call FWU_FIP_ADD_PAYLOAD,${BL2U_PATH},--ap-fwu-cfg))
585endif
586
587# Expand build macros for the different images
588ifeq (${NEED_FDT},yes)
589$(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
590$(eval $(call MAKE_FDT))
591dtbs: $(DTBS)
592endif
593
594locate-checkpatch:
595ifndef CHECKPATCH
596	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
597else
598ifeq (,$(wildcard ${CHECKPATCH}))
599	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
600endif
601endif
602
603clean:
604	@echo "  CLEAN"
605	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
606	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
607	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
608
609realclean distclean:
610	@echo "  REALCLEAN"
611	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
612	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
613	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
614	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
615
616checkcodebase:		locate-checkpatch
617	@echo "  CHECKING STYLE"
618	@if test -d .git ; then						\
619		git ls-files | grep -E -v 'libfdt|stdlib|docs|\.md' |	\
620		while read GIT_FILE ;					\
621		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
622		done ;							\
623	else								\
624		 find . -type f -not -iwholename "*.git*"		\
625		 -not -iwholename "*build*"				\
626		 -not -iwholename "*libfdt*"				\
627		 -not -iwholename "*stdlib*"				\
628		 -not -iwholename "*docs*"				\
629		 -not -iwholename "*.md"				\
630		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
631	fi
632
633checkpatch:		locate-checkpatch
634	@echo "  CHECKING STYLE"
635	${Q}git format-patch --stdout ${BASE_COMMIT}..HEAD -- ${CHECK_PATHS} | ${CHECKPATCH} - || true
636
637certtool: ${CRTTOOL}
638
639.PHONY: ${CRTTOOL}
640${CRTTOOL}:
641	${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH}
642	@${ECHO_BLANK_LINE}
643	@echo "Built $@ successfully"
644	@${ECHO_BLANK_LINE}
645
646ifneq (${GENERATE_COT},0)
647certificates: ${CRT_DEPS} ${CRTTOOL}
648	${Q}${CRTTOOL} ${CRT_ARGS}
649	@${ECHO_BLANK_LINE}
650	@echo "Built $@ successfully"
651	@echo "Certificates can be found in ${BUILD_PLAT}"
652	@${ECHO_BLANK_LINE}
653endif
654
655${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
656	${Q}${FIPTOOL} create ${FIP_ARGS} $@
657	${Q}${FIPTOOL} info $@
658	@${ECHO_BLANK_LINE}
659	@echo "Built $@ successfully"
660	@${ECHO_BLANK_LINE}
661
662ifneq (${GENERATE_COT},0)
663fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
664	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
665	@${ECHO_BLANK_LINE}
666	@echo "Built $@ successfully"
667	@echo "FWU certificates can be found in ${BUILD_PLAT}"
668	@${ECHO_BLANK_LINE}
669endif
670
671${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
672	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
673	${Q}${FIPTOOL} info $@
674	@${ECHO_BLANK_LINE}
675	@echo "Built $@ successfully"
676	@${ECHO_BLANK_LINE}
677
678fiptool: ${FIPTOOL}
679fip: ${BUILD_PLAT}/${FIP_NAME}
680fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
681
682.PHONY: ${FIPTOOL}
683${FIPTOOL}:
684	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH}
685
686cscope:
687	@echo "  CSCOPE"
688	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
689	${Q}cscope -b -q -k
690
691help:
692	@echo "usage: ${MAKE} PLAT=<${PLATFORM_LIST}> [OPTIONS] [TARGET]"
693	@echo ""
694	@echo "PLAT is used to specify which platform you wish to build."
695	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
696	@echo ""
697	@echo "Please refer to the User Guide for a list of all supported options."
698	@echo "Note that the build system doesn't track dependencies for build "
699	@echo "options. Therefore, if any of the build options are changed "
700	@echo "from a previous build, a clean build must be performed."
701	@echo ""
702	@echo "Supported Targets:"
703	@echo "  all            Build all individual bootloader binaries"
704	@echo "  bl1            Build the BL1 binary"
705	@echo "  bl2            Build the BL2 binary"
706	@echo "  bl2u           Build the BL2U binary"
707	@echo "  bl31           Build the BL31 binary"
708	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
709	@echo "                 this builds secure payload specified by AARCH32_SP"
710	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
711	@echo "  fip            Build the Firmware Image Package (FIP)"
712	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
713	@echo "  checkcodebase  Check the coding style of the entire source tree"
714	@echo "  checkpatch     Check the coding style on changes in the current"
715	@echo "                 branch against BASE_COMMIT (default origin/master)"
716	@echo "  clean          Clean the build for the selected platform"
717	@echo "  cscope         Generate cscope index"
718	@echo "  distclean      Remove all build artifacts for all platforms"
719	@echo "  certtool       Build the Certificate generation tool"
720	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
721	@echo "  dtbs           Build the Flattened device tree (if required for the platform)"
722	@echo ""
723	@echo "Note: most build targets require PLAT to be set to a specific platform."
724	@echo ""
725	@echo "example: build all targets for the FVP platform:"
726	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
727