xref: /rk3399_ARM-atf/Makefile (revision 26e63c4450b1e4dcef3f9256663f36253e6b62d2) 
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			:=	${CROSS_COMPILE}gcc -E
128
129ifeq (${ARM_ARCH_MAJOR},7)
130target32-directive	= 	-target arm-none-eabi
131# Will set march32-directive from platform configuration
132else
133target32-directive	= 	-target armv8a-none-eabi
134march32-directive	= 	-march armv8-a
135endif
136
137ifeq ($(notdir $(CC)),armclang)
138TF_CFLAGS_aarch32	=	-target arm-arm-none-eabi $(march32-directive)
139TF_CFLAGS_aarch64	=	-target aarch64-arm-none-eabi -march=armv8-a
140else ifneq ($(findstring clang,$(notdir $(CC))),)
141TF_CFLAGS_aarch32	=	$(target32-directive)
142TF_CFLAGS_aarch64	=	-target aarch64-elf
143else
144TF_CFLAGS_aarch32	=	$(march32-directive)
145TF_CFLAGS_aarch64	=	-march=armv8-a
146endif
147
148TF_CFLAGS_aarch64	+=	-mgeneral-regs-only -mstrict-align
149
150ASFLAGS_aarch32		=	$(march32-directive)
151ASFLAGS_aarch64		=	-march=armv8-a
152
153CPPFLAGS		=	${DEFINES} ${INCLUDES} -nostdinc		\
154				-Wmissing-include-dirs -Werror
155ASFLAGS			+=	$(CPPFLAGS) $(ASFLAGS_$(ARCH))			\
156				-D__ASSEMBLY__ -ffreestanding 			\
157				-Wa,--fatal-warnings
158TF_CFLAGS		+=	$(CPPFLAGS) $(TF_CFLAGS_$(ARCH))		\
159				-ffreestanding -fno-builtin -Wall -std=gnu99	\
160				-Os -ffunction-sections -fdata-sections
161
162TF_LDFLAGS		+=	--fatal-warnings -O1
163TF_LDFLAGS		+=	--gc-sections
164TF_LDFLAGS		+=	$(TF_LDFLAGS_$(ARCH))
165
166################################################################################
167# Common sources and include directories
168################################################################################
169include lib/compiler-rt/compiler-rt.mk
170include lib/stdlib/stdlib.mk
171
172BL_COMMON_SOURCES	+=	common/bl_common.c			\
173				common/tf_log.c				\
174				common/tf_printf.c			\
175				common/tf_snprintf.c			\
176				common/${ARCH}/debug.S			\
177				lib/${ARCH}/cache_helpers.S		\
178				lib/${ARCH}/misc_helpers.S		\
179				plat/common/plat_log_common.c		\
180				plat/common/${ARCH}/plat_common.c	\
181				plat/common/${ARCH}/platform_helpers.S	\
182				${COMPILER_RT_SRCS}			\
183				${STDLIB_SRCS}
184
185INCLUDES		+=	-Iinclude/bl1				\
186				-Iinclude/bl31				\
187				-Iinclude/common			\
188				-Iinclude/common/${ARCH}		\
189				-Iinclude/drivers			\
190				-Iinclude/drivers/arm			\
191				-Iinclude/drivers/auth			\
192				-Iinclude/drivers/io			\
193				-Iinclude/drivers/ti/uart		\
194				-Iinclude/lib				\
195				-Iinclude/lib/${ARCH}			\
196				-Iinclude/lib/cpus			\
197				-Iinclude/lib/cpus/${ARCH}		\
198				-Iinclude/lib/el3_runtime		\
199				-Iinclude/lib/el3_runtime/${ARCH}	\
200				-Iinclude/lib/pmf			\
201				-Iinclude/lib/psci			\
202				-Iinclude/lib/xlat_tables		\
203				-Iinclude/plat/common			\
204				-Iinclude/services			\
205				${PLAT_INCLUDES}			\
206				${SPD_INCLUDES}				\
207				-Iinclude/tools_share
208
209
210################################################################################
211# Generic definitions
212################################################################################
213
214include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
215
216BUILD_BASE		:=	./build
217BUILD_PLAT		:=	${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
218
219SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
220
221# Platforms providing their own TBB makefile may override this value
222INCLUDE_TBBR_MK		:=	1
223
224
225################################################################################
226# Include SPD Makefile if one has been specified
227################################################################################
228
229ifneq (${SPD},none)
230ifeq (${ARCH},aarch32)
231	$(error "Error: SPD is incompatible with AArch32.")
232endif
233ifdef EL3_PAYLOAD_BASE
234        $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
235        $(warning "The SPD and its BL32 companion will be present but ignored.")
236endif
237        # We expect to locate an spd.mk under the specified SPD directory
238        SPD_MAKE	:=	$(wildcard services/spd/${SPD}/${SPD}.mk)
239
240        ifeq (${SPD_MAKE},)
241                $(error Error: No services/spd/${SPD}/${SPD}.mk located)
242        endif
243        $(info Including ${SPD_MAKE})
244        include ${SPD_MAKE}
245
246        # If there's BL32 companion for the chosen SPD, we expect that the SPD's
247        # Makefile would set NEED_BL32 to "yes". In this case, the build system
248        # supports two mutually exclusive options:
249        # * BL32 is built from source: then BL32_SOURCES must contain the list
250        #   of source files to build BL32
251        # * BL32 is a prebuilt binary: then BL32 must point to the image file
252        #   that will be included in the FIP
253        # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
254        # over the sources.
255endif
256
257################################################################################
258# Include libraries' Makefile that are used in all BL
259################################################################################
260
261include lib/stack_protector/stack_protector.mk
262
263
264################################################################################
265# Include the platform specific Makefile after the SPD Makefile (the platform
266# makefile may use all previous definitions in this file)
267################################################################################
268
269include ${PLAT_MAKEFILE_FULL}
270
271$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT}))
272
273ifeq (${ARM_ARCH_MAJOR},7)
274include make_helpers/armv7-a-cpus.mk
275endif
276
277# Platform compatibility is not supported in AArch32
278ifneq (${ARCH},aarch32)
279# If the platform has not defined ENABLE_PLAT_COMPAT, then enable it by default
280ifndef ENABLE_PLAT_COMPAT
281ENABLE_PLAT_COMPAT := 1
282endif
283
284# Include the platform compatibility helpers for PSCI
285ifneq (${ENABLE_PLAT_COMPAT}, 0)
286include plat/compat/plat_compat.mk
287endif
288endif
289
290# Include the CPU specific operations makefile, which provides default
291# values for all CPU errata workarounds and CPU specific optimisations.
292# This can be overridden by the platform.
293include lib/cpus/cpu-ops.mk
294
295ifeq (${ARCH},aarch32)
296NEED_BL32 := yes
297
298################################################################################
299# Build `AARCH32_SP` as BL32 image for AArch32
300################################################################################
301ifneq (${AARCH32_SP},none)
302# We expect to locate an sp.mk under the specified AARCH32_SP directory
303AARCH32_SP_MAKE	:=	$(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
304
305ifeq (${AARCH32_SP_MAKE},)
306  $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
307endif
308
309$(info Including ${AARCH32_SP_MAKE})
310include ${AARCH32_SP_MAKE}
311endif
312
313endif
314
315################################################################################
316# Check incompatible options
317################################################################################
318
319ifdef EL3_PAYLOAD_BASE
320        ifdef PRELOADED_BL33_BASE
321                $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
322                incompatible build options. EL3_PAYLOAD_BASE has priority.")
323        endif
324        ifneq (${GENERATE_COT},0)
325                $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.")
326        endif
327        ifneq (${TRUSTED_BOARD_BOOT},0)
328                $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.")
329        endif
330endif
331
332ifeq (${NEED_BL33},yes)
333        ifdef EL3_PAYLOAD_BASE
334                $(warning "BL33 image is not needed when option \
335                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
336        endif
337        ifdef PRELOADED_BL33_BASE
338                $(warning "BL33 image is not needed when option \
339                PRELOADED_BL33_BASE is used and won't be added to the FIP \
340                file.")
341        endif
342endif
343
344# For AArch32, LOAD_IMAGE_V2 must be enabled.
345ifeq (${ARCH},aarch32)
346    ifeq (${LOAD_IMAGE_V2}, 0)
347        $(error "For AArch32, LOAD_IMAGE_V2 must be enabled.")
348    endif
349endif
350
351# When building for systems with hardware-assisted coherency, there's no need to
352# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
353ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
354$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
355endif
356
357################################################################################
358# Process platform overrideable behaviour
359################################################################################
360
361# Using the ARM Trusted Firmware BL2 implies that a BL33 image also needs to be
362# supplied for the FIP and Certificate generation tools. This flag can be
363# overridden by the platform.
364ifdef BL2_SOURCES
365        ifdef EL3_PAYLOAD_BASE
366                # If booting an EL3 payload there is no need for a BL33 image
367                # in the FIP file.
368                NEED_BL33		:=	no
369        else
370                ifdef PRELOADED_BL33_BASE
371                        # If booting a BL33 preloaded image there is no need of
372                        # another one in the FIP file.
373                        NEED_BL33		:=	no
374                else
375                        NEED_BL33		?=	yes
376                endif
377        endif
378endif
379
380# If SCP_BL2 is given, we always want FIP to include it.
381ifdef SCP_BL2
382        NEED_SCP_BL2		:=	yes
383endif
384
385# Process TBB related flags
386ifneq (${GENERATE_COT},0)
387        # Common cert_create options
388        ifneq (${CREATE_KEYS},0)
389                $(eval CRT_ARGS += -n)
390                $(eval FWU_CRT_ARGS += -n)
391                ifneq (${SAVE_KEYS},0)
392                        $(eval CRT_ARGS += -k)
393                        $(eval FWU_CRT_ARGS += -k)
394                endif
395        endif
396        # Include TBBR makefile (unless the platform indicates otherwise)
397        ifeq (${INCLUDE_TBBR_MK},1)
398                include make_helpers/tbbr/tbbr_tools.mk
399        endif
400endif
401
402ifneq (${FIP_ALIGN},0)
403FIP_ARGS += --align ${FIP_ALIGN}
404endif
405
406################################################################################
407# Auxiliary tools (fiptool, cert_create, etc)
408################################################################################
409
410# Variables for use with Certificate Generation Tool
411CRTTOOLPATH		?=	tools/cert_create
412CRTTOOL			?=	${CRTTOOLPATH}/cert_create${BIN_EXT}
413
414# Variables for use with Firmware Image Package
415FIPTOOLPATH		?=	tools/fiptool
416FIPTOOL			?=	${FIPTOOLPATH}/fiptool${BIN_EXT}
417
418################################################################################
419# Include BL specific makefiles
420################################################################################
421ifdef BL1_SOURCES
422NEED_BL1 := yes
423include bl1/bl1.mk
424endif
425
426ifdef BL2_SOURCES
427NEED_BL2 := yes
428include bl2/bl2.mk
429endif
430
431ifdef BL2U_SOURCES
432NEED_BL2U := yes
433include bl2u/bl2u.mk
434endif
435
436# For AArch32, BL31 is not currently supported.
437ifneq (${ARCH},aarch32)
438ifdef BL31_SOURCES
439# When booting an EL3 payload, there is no need to compile the BL31 image nor
440# put it in the FIP.
441ifndef EL3_PAYLOAD_BASE
442NEED_BL31 := yes
443include bl31/bl31.mk
444endif
445endif
446endif
447
448################################################################################
449# Build options checks
450################################################################################
451
452$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
453$(eval $(call assert_boolean,CREATE_KEYS))
454$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
455$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
456$(eval $(call assert_boolean,DEBUG))
457$(eval $(call assert_boolean,DISABLE_PEDANTIC))
458$(eval $(call assert_boolean,ENABLE_ASSERTIONS))
459$(eval $(call assert_boolean,ENABLE_PLAT_COMPAT))
460$(eval $(call assert_boolean,ENABLE_PMF))
461$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
462$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
463$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS))
464$(eval $(call assert_boolean,ERROR_DEPRECATED))
465$(eval $(call assert_boolean,GENERATE_COT))
466$(eval $(call assert_boolean,GICV2_G0_FOR_EL3))
467$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY))
468$(eval $(call assert_boolean,LOAD_IMAGE_V2))
469$(eval $(call assert_boolean,NS_TIMER_SWITCH))
470$(eval $(call assert_boolean,PL011_GENERIC_UART))
471$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
472$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
473$(eval $(call assert_boolean,RESET_TO_BL31))
474$(eval $(call assert_boolean,SAVE_KEYS))
475$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
476$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
477$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
478$(eval $(call assert_boolean,USE_COHERENT_MEM))
479$(eval $(call assert_boolean,USE_TBBR_DEFS))
480$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY))
481
482$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
483$(eval $(call assert_numeric,ARM_ARCH_MINOR))
484
485################################################################################
486# Add definitions to the cpp preprocessor based on the current build options.
487# This is done after including the platform specific makefile to allow the
488# platform to overwrite the default options
489################################################################################
490
491$(eval $(call add_define,ARM_ARCH_MAJOR))
492$(eval $(call add_define,ARM_ARCH_MINOR))
493$(eval $(call add_define,ARM_GIC_ARCH))
494$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
495$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
496$(eval $(call add_define,CTX_INCLUDE_FPREGS))
497$(eval $(call add_define,ENABLE_ASSERTIONS))
498$(eval $(call add_define,ENABLE_PLAT_COMPAT))
499$(eval $(call add_define,ENABLE_PMF))
500$(eval $(call add_define,ENABLE_PSCI_STAT))
501$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
502$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS))
503$(eval $(call add_define,ERROR_DEPRECATED))
504$(eval $(call add_define,GICV2_G0_FOR_EL3))
505$(eval $(call add_define,HW_ASSISTED_COHERENCY))
506$(eval $(call add_define,LOAD_IMAGE_V2))
507$(eval $(call add_define,LOG_LEVEL))
508$(eval $(call add_define,NS_TIMER_SWITCH))
509$(eval $(call add_define,PL011_GENERIC_UART))
510$(eval $(call add_define,PLAT_${PLAT}))
511$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
512$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
513$(eval $(call add_define,RESET_TO_BL31))
514$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
515$(eval $(call add_define,SPD_${SPD}))
516$(eval $(call add_define,SPIN_ON_BL1_EXIT))
517$(eval $(call add_define,TRUSTED_BOARD_BOOT))
518$(eval $(call add_define,USE_COHERENT_MEM))
519$(eval $(call add_define,USE_TBBR_DEFS))
520$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY))
521
522# Define the EL3_PAYLOAD_BASE flag only if it is provided.
523ifdef EL3_PAYLOAD_BASE
524        $(eval $(call add_define,EL3_PAYLOAD_BASE))
525else
526        # Define the PRELOADED_BL33_BASE flag only if it is provided and
527        # EL3_PAYLOAD_BASE is not defined, as it has priority.
528        ifdef PRELOADED_BL33_BASE
529                $(eval $(call add_define,PRELOADED_BL33_BASE))
530        endif
531endif
532# Define the AARCH32/AARCH64 flag based on the ARCH flag
533ifeq (${ARCH},aarch32)
534        $(eval $(call add_define,AARCH32))
535else
536        $(eval $(call add_define,AARCH64))
537endif
538
539################################################################################
540# Build targets
541################################################################################
542
543.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip fwu_fip certtool
544.SUFFIXES:
545
546all: msg_start
547
548msg_start:
549	@echo "Building ${PLAT}"
550
551# Check if deprecated declarations should be treated as error or not.
552ifeq (${ERROR_DEPRECATED},0)
553    TF_CFLAGS		+= 	-Wno-error=deprecated-declarations
554endif
555
556# Expand build macros for the different images
557ifeq (${NEED_BL1},yes)
558$(eval $(call MAKE_BL,1))
559endif
560
561ifeq (${NEED_BL2},yes)
562$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},tb-fw)),\
563	$(eval $(call MAKE_BL,2,tb-fw)))
564endif
565
566ifeq (${NEED_SCP_BL2},yes)
567$(eval $(call FIP_ADD_IMG,SCP_BL2,--scp-fw))
568endif
569
570ifeq (${NEED_BL31},yes)
571BL31_SOURCES += ${SPD_SOURCES}
572$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},soc-fw)),\
573	$(eval $(call MAKE_BL,31,soc-fw)))
574endif
575
576# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
577# build system will call FIP_ADD_IMG to print a warning message and abort the
578# process. Note that the dependency on BL32 applies to the FIP only.
579ifeq (${NEED_BL32},yes)
580$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},tos-fw)),\
581	$(if ${BL32_SOURCES}, $(eval $(call MAKE_BL,32,tos-fw)),\
582		$(eval $(call FIP_ADD_IMG,BL32,--tos-fw))))
583endif
584
585# Add the BL33 image if required by the platform
586ifeq (${NEED_BL33},yes)
587$(eval $(call FIP_ADD_IMG,BL33,--nt-fw))
588endif
589
590ifeq (${NEED_BL2U},yes)
591BL2U_PATH	:= $(if ${BL2U},${BL2U},$(call IMG_BIN,2u))
592$(if ${BL2U}, ,$(eval $(call MAKE_BL,2u)))
593$(eval $(call FWU_FIP_ADD_PAYLOAD,${BL2U_PATH},--ap-fwu-cfg))
594endif
595
596locate-checkpatch:
597ifndef CHECKPATCH
598	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
599else
600ifeq (,$(wildcard ${CHECKPATCH}))
601	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
602endif
603endif
604
605clean:
606	@echo "  CLEAN"
607	$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
608	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
609	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
610
611realclean distclean:
612	@echo "  REALCLEAN"
613	$(call SHELL_REMOVE_DIR,${BUILD_BASE})
614	$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
615	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
616	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
617
618checkcodebase:		locate-checkpatch
619	@echo "  CHECKING STYLE"
620	@if test -d .git ; then						\
621		git ls-files | grep -E -v 'libfdt|stdlib|docs|\.md' |	\
622		while read GIT_FILE ;					\
623		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
624		done ;							\
625	else								\
626		 find . -type f -not -iwholename "*.git*"		\
627		 -not -iwholename "*build*"				\
628		 -not -iwholename "*libfdt*"				\
629		 -not -iwholename "*stdlib*"				\
630		 -not -iwholename "*docs*"				\
631		 -not -iwholename "*.md"				\
632		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
633	fi
634
635checkpatch:		locate-checkpatch
636	@echo "  CHECKING STYLE"
637	${Q}git format-patch --stdout ${BASE_COMMIT}..HEAD -- ${CHECK_PATHS} | ${CHECKPATCH} - || true
638
639certtool: ${CRTTOOL}
640
641.PHONY: ${CRTTOOL}
642${CRTTOOL}:
643	${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH}
644	@${ECHO_BLANK_LINE}
645	@echo "Built $@ successfully"
646	@${ECHO_BLANK_LINE}
647
648ifneq (${GENERATE_COT},0)
649certificates: ${CRT_DEPS} ${CRTTOOL}
650	${Q}${CRTTOOL} ${CRT_ARGS}
651	@${ECHO_BLANK_LINE}
652	@echo "Built $@ successfully"
653	@echo "Certificates can be found in ${BUILD_PLAT}"
654	@${ECHO_BLANK_LINE}
655endif
656
657${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
658	${Q}${FIPTOOL} create ${FIP_ARGS} $@
659	${Q}${FIPTOOL} info $@
660	@${ECHO_BLANK_LINE}
661	@echo "Built $@ successfully"
662	@${ECHO_BLANK_LINE}
663
664ifneq (${GENERATE_COT},0)
665fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
666	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
667	@${ECHO_BLANK_LINE}
668	@echo "Built $@ successfully"
669	@echo "FWU certificates can be found in ${BUILD_PLAT}"
670	@${ECHO_BLANK_LINE}
671endif
672
673${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
674	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
675	${Q}${FIPTOOL} info $@
676	@${ECHO_BLANK_LINE}
677	@echo "Built $@ successfully"
678	@${ECHO_BLANK_LINE}
679
680fiptool: ${FIPTOOL}
681fip: ${BUILD_PLAT}/${FIP_NAME}
682fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
683
684.PHONY: ${FIPTOOL}
685${FIPTOOL}:
686	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH}
687
688cscope:
689	@echo "  CSCOPE"
690	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
691	${Q}cscope -b -q -k
692
693help:
694	@echo "usage: ${MAKE} PLAT=<${PLATFORM_LIST}> [OPTIONS] [TARGET]"
695	@echo ""
696	@echo "PLAT is used to specify which platform you wish to build."
697	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
698	@echo ""
699	@echo "Please refer to the User Guide for a list of all supported options."
700	@echo "Note that the build system doesn't track dependencies for build "
701	@echo "options. Therefore, if any of the build options are changed "
702	@echo "from a previous build, a clean build must be performed."
703	@echo ""
704	@echo "Supported Targets:"
705	@echo "  all            Build all individual bootloader binaries"
706	@echo "  bl1            Build the BL1 binary"
707	@echo "  bl2            Build the BL2 binary"
708	@echo "  bl2u           Build the BL2U binary"
709	@echo "  bl31           Build the BL31 binary"
710	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
711	@echo "                 this builds secure payload specified by AARCH32_SP"
712	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
713	@echo "  fip            Build the Firmware Image Package (FIP)"
714	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
715	@echo "  checkcodebase  Check the coding style of the entire source tree"
716	@echo "  checkpatch     Check the coding style on changes in the current"
717	@echo "                 branch against BASE_COMMIT (default origin/master)"
718	@echo "  clean          Clean the build for the selected platform"
719	@echo "  cscope         Generate cscope index"
720	@echo "  distclean      Remove all build artifacts for all platforms"
721	@echo "  certtool       Build the Certificate generation tool"
722	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
723	@echo ""
724	@echo "Note: most build targets require PLAT to be set to a specific platform."
725	@echo ""
726	@echo "example: build all targets for the FVP platform:"
727	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
728