xref: /rk3399_ARM-atf/Makefile (revision 4518dd9a9c6d85d8f004fbeadb26be5aa9aa447d)
1#
2# Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are met:
6#
7# Redistributions of source code must retain the above copyright notice, this
8# list of conditions and the following disclaimer.
9#
10# Redistributions in binary form must reproduce the above copyright notice,
11# this list of conditions and the following disclaimer in the documentation
12# and/or other materials provided with the distribution.
13#
14# Neither the name of ARM nor the names of its contributors may be used
15# to endorse or promote products derived from this software without specific
16# prior written permission.
17#
18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28# POSSIBILITY OF SUCH DAMAGE.
29#
30
31#
32# Trusted Firmware Version
33#
34VERSION_MAJOR			:= 1
35VERSION_MINOR			:= 2
36
37# Default goal is build all images
38.DEFAULT_GOAL			:= all
39
40include make_helpers/build_macros.mk
41
42################################################################################
43# Default values for build configurations
44################################################################################
45
46# Build verbosity
47V				:= 0
48# Debug build
49DEBUG				:= 0
50# Build platform
51DEFAULT_PLAT			:= fvp
52PLAT				:= ${DEFAULT_PLAT}
53# SPD choice
54SPD				:= none
55# Base commit to perform code check on
56BASE_COMMIT			:= origin/master
57# NS timer register save and restore
58NS_TIMER_SWITCH			:= 0
59# By default, BL1 acts as the reset handler, not BL31
60RESET_TO_BL31			:= 0
61# Include FP registers in cpu context
62CTX_INCLUDE_FPREGS		:= 0
63# Determine the version of ARM GIC architecture to use for interrupt management
64# in EL3. The platform port can change this value if needed.
65ARM_GIC_ARCH			:= 2
66# Determine the version of ARM CCI product used in the platform. The platform
67# port can change this value if needed.
68ARM_CCI_PRODUCT_ID		:= 400
69# Flag used to indicate if ASM_ASSERTION should be enabled for the build.
70# This defaults to being present in DEBUG builds only.
71ASM_ASSERTION			:= ${DEBUG}
72# Build option to choose whether Trusted firmware uses Coherent memory or not.
73USE_COHERENT_MEM		:= 1
74# Flag used to choose the power state format viz Extended State-ID or the Original
75# format.
76PSCI_EXTENDED_STATE_ID		:= 0
77# Default FIP file name
78FIP_NAME			:= fip.bin
79# Default FWU_FIP file name
80FWU_FIP_NAME			:= fwu_fip.bin
81# By default, use the -pedantic option in the gcc command line
82DISABLE_PEDANTIC		:= 0
83# Flags to generate the Chain of Trust
84GENERATE_COT			:= 0
85CREATE_KEYS			:= 1
86SAVE_KEYS			:= 0
87# Flags to build TF with Trusted Boot support
88TRUSTED_BOARD_BOOT		:= 0
89# By default, consider that the platform's reset address is not programmable.
90# The platform Makefile is free to override this value.
91PROGRAMMABLE_RESET_ADDRESS	:= 0
92# Build flag to treat usage of deprecated platform and framework APIs as error.
93ERROR_DEPRECATED		:= 0
94# By default, consider that the platform may release several CPUs out of reset.
95# The platform Makefile is free to override this value.
96COLD_BOOT_SINGLE_CPU		:= 0
97# Flag to introduce an infinite loop in BL1 just before it exits into the next
98# image. This is meant to help debugging the post-BL2 phase.
99SPIN_ON_BL1_EXIT		:= 0
100# Build PL011 UART driver in minimal generic UART mode
101PL011_GENERIC_UART		:= 0
102
103
104################################################################################
105# Checkpatch script options
106################################################################################
107
108CHECK_IGNORE		:=	--ignore COMPLEX_MACRO \
109				--ignore GERRIT_CHANGE_ID \
110				--ignore GIT_COMMIT_ID
111CHECKPATCH_ARGS		:=	--no-tree --no-signoff ${CHECK_IGNORE}
112CHECKCODE_ARGS		:=	--no-patch --no-tree --no-signoff ${CHECK_IGNORE}
113# Do not check the coding style on C library files
114CHECK_PATHS		:=	$(shell ls -I include -I lib) \
115				$(addprefix include/,$(shell ls -I stdlib include)) \
116				$(addprefix lib/,$(shell ls -I stdlib lib))
117
118
119################################################################################
120# Process build options
121################################################################################
122
123# Verbose flag
124ifeq (${V},0)
125        Q=@
126        CHECKCODE_ARGS	+=	--no-summary --terse
127else
128        Q=
129endif
130export Q
131
132# Process Debug flag
133$(eval $(call add_define,DEBUG))
134ifneq (${DEBUG}, 0)
135        BUILD_TYPE	:=	debug
136        CFLAGS		+= 	-g
137        ASFLAGS		+= 	-g -Wa,--gdwarf-2
138        # Use LOG_LEVEL_INFO by default for debug builds
139        LOG_LEVEL	:=	40
140else
141        BUILD_TYPE	:=	release
142        $(eval $(call add_define,NDEBUG))
143        # Use LOG_LEVEL_NOTICE by default for release builds
144        LOG_LEVEL	:=	20
145endif
146
147# Default build string (git branch and commit)
148ifeq (${BUILD_STRING},)
149        BUILD_STRING	:=	$(shell git log -n 1 --pretty=format:"%h")
150endif
151VERSION_STRING		:=	v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING}
152
153# The cert_create tool cannot generate certificates individually, so we use the
154# target 'certificates' to create them all
155ifneq (${GENERATE_COT},0)
156        FIP_DEPS += certificates
157        FWU_FIP_DEPS += fwu_certificates
158endif
159
160
161################################################################################
162# Toolchain
163################################################################################
164
165CC			:=	${CROSS_COMPILE}gcc
166CPP			:=	${CROSS_COMPILE}cpp
167AS			:=	${CROSS_COMPILE}gcc
168AR			:=	${CROSS_COMPILE}ar
169LD			:=	${CROSS_COMPILE}ld
170OC			:=	${CROSS_COMPILE}objcopy
171OD			:=	${CROSS_COMPILE}objdump
172NM			:=	${CROSS_COMPILE}nm
173PP			:=	${CROSS_COMPILE}gcc -E
174
175ASFLAGS			+= 	-nostdinc -ffreestanding -Wa,--fatal-warnings	\
176				-Werror -Wmissing-include-dirs			\
177				-mgeneral-regs-only -D__ASSEMBLY__		\
178				${DEFINES} ${INCLUDES}
179CFLAGS			+= 	-nostdinc -ffreestanding -Wall			\
180				-Werror -Wmissing-include-dirs			\
181				-mgeneral-regs-only -mstrict-align		\
182				-std=c99 -c -Os					\
183				${DEFINES} ${INCLUDES}
184CFLAGS			+=	-ffunction-sections -fdata-sections
185
186LDFLAGS			+=	--fatal-warnings -O1
187LDFLAGS			+=	--gc-sections
188
189
190################################################################################
191# Common sources and include directories
192################################################################################
193
194BL_COMMON_SOURCES	+=	common/bl_common.c			\
195				common/tf_printf.c			\
196				common/aarch64/debug.S			\
197				lib/aarch64/cache_helpers.S		\
198				lib/aarch64/misc_helpers.S		\
199				lib/aarch64/xlat_helpers.c		\
200				lib/stdlib/abort.c			\
201				lib/stdlib/assert.c			\
202				lib/stdlib/exit.c			\
203				lib/stdlib/mem.c			\
204				lib/stdlib/printf.c			\
205				lib/stdlib/putchar.c			\
206				lib/stdlib/puts.c			\
207				lib/stdlib/sscanf.c			\
208				lib/stdlib/strchr.c			\
209				lib/stdlib/strcmp.c			\
210				lib/stdlib/strlen.c			\
211				lib/stdlib/strncmp.c			\
212				lib/stdlib/subr_prf.c			\
213				plat/common/aarch64/platform_helpers.S
214
215INCLUDES		+=	-Iinclude/bl1			\
216				-Iinclude/bl31			\
217				-Iinclude/bl31/services		\
218				-Iinclude/common		\
219				-Iinclude/drivers		\
220				-Iinclude/drivers/arm		\
221				-Iinclude/drivers/auth		\
222				-Iinclude/drivers/io		\
223				-Iinclude/drivers/ti/uart	\
224				-Iinclude/lib			\
225				-Iinclude/lib/aarch64		\
226				-Iinclude/lib/cpus/aarch64	\
227				-Iinclude/plat/common		\
228				-Iinclude/stdlib		\
229				-Iinclude/stdlib/sys		\
230				${PLAT_INCLUDES}		\
231				${SPD_INCLUDES}
232
233
234################################################################################
235# Generic definitions
236################################################################################
237
238BUILD_BASE		:=	./build
239BUILD_PLAT		:=	${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
240
241PLAT_MAKEFILE		:=	platform.mk
242# Generate the platforms list by recursively searching for all directories
243# under /plat containing a PLAT_MAKEFILE. Append each platform with a `|`
244# char and strip out the final '|'.
245PLATFORMS		:=	$(shell find plat/ -name '${PLAT_MAKEFILE}' -print0 |			\
246					sed -r 's%[^\x00]*\/([^/]*)\/${PLAT_MAKEFILE}\x00%\1|%g' |	\
247					sed -r 's/\|$$//')
248SPDS			:=	$(shell ls -I none services/spd)
249
250# Platforms providing their own TBB makefile may override this value
251INCLUDE_TBBR_MK		:=	1
252
253
254################################################################################
255# Include SPD Makefile if one has been specified
256################################################################################
257
258ifneq (${SPD},none)
259ifdef EL3_PAYLOAD_BASE
260        $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
261        $(warning "The SPD and its BL32 companion will be present but ignored.")
262endif
263        # We expect to locate an spd.mk under the specified SPD directory
264        SPD_MAKE	:=	$(shell m="services/spd/${SPD}/${SPD}.mk"; [ -f "$$m" ] && echo "$$m")
265
266        ifeq (${SPD_MAKE},)
267                $(error Error: No services/spd/${SPD}/${SPD}.mk located)
268        endif
269        $(info Including ${SPD_MAKE})
270        include ${SPD_MAKE}
271
272        # If there's BL32 companion for the chosen SPD, we expect that the SPD's
273        # Makefile would set NEED_BL32 to "yes". In this case, the build system
274        # supports two mutually exclusive options:
275        # * BL32 is built from source: then BL32_SOURCES must contain the list
276        #   of source files to build BL32
277        # * BL32 is a prebuilt binary: then BL32 must point to the image file
278        #   that will be included in the FIP
279        # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
280        # over the sources.
281endif
282
283
284################################################################################
285# Include the platform specific Makefile after the SPD Makefile (the platform
286# makefile may use all previous definitions in this file)
287################################################################################
288
289ifeq (${PLAT},)
290        $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform")
291endif
292PLAT_MAKEFILE_FULL	:=	$(shell find plat/ -wholename '*/${PLAT}/${PLAT_MAKEFILE}')
293ifeq ($(PLAT_MAKEFILE_FULL),)
294        $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}")
295endif
296
297include ${PLAT_MAKEFILE_FULL}
298
299# If the platform has not defined ENABLE_PLAT_COMPAT, then enable it by default
300ifndef ENABLE_PLAT_COMPAT
301ENABLE_PLAT_COMPAT := 1
302endif
303
304# Include the platform compatibility helpers for PSCI
305ifneq (${ENABLE_PLAT_COMPAT}, 0)
306include plat/compat/plat_compat.mk
307endif
308
309# Include the CPU specific operations makefile, which provides default
310# values for all CPU errata workarounds and CPU specific optimisations.
311# This can be overridden by the platform.
312include lib/cpus/cpu-ops.mk
313
314
315################################################################################
316# Check incompatible options
317################################################################################
318
319ifdef EL3_PAYLOAD_BASE
320        ifdef BL33_BASE
321                $(warning "BL33_BASE and EL3_PAYLOAD_BASE are incompatible \
322                build options. EL3_PAYLOAD_BASE has priority.")
323        endif
324endif
325
326ifeq (${NEED_BL33},yes)
327        ifdef EL3_PAYLOAD_BASE
328                $(warning "BL33 image is not needed when option \
329                BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
330        endif
331        ifdef BL33_BASE
332                $(warning "BL33 image is not needed when option BL33_BASE is \
333                used and won't be added to the FIP file.")
334        endif
335endif
336
337
338################################################################################
339# Process platform overrideable behaviour
340################################################################################
341
342# Check if -pedantic option should be used
343ifeq (${DISABLE_PEDANTIC},0)
344        CFLAGS		+= 	-pedantic
345endif
346
347# Using the ARM Trusted Firmware BL2 implies that a BL33 image also needs to be
348# supplied for the FIP and Certificate generation tools. This flag can be
349# overridden by the platform.
350ifdef BL2_SOURCES
351        ifdef EL3_PAYLOAD_BASE
352                # If booting an EL3 payload there is no need for a BL33 image
353                # in the FIP file.
354                NEED_BL33		:=	no
355        else
356                ifdef BL33_BASE
357                        # If booting a BL33 preloaded image there is no need of
358                        # another one in the FIP file.
359                        NEED_BL33		:=	no
360                else
361                        NEED_BL33		?=	yes
362                endif
363        endif
364endif
365
366# Process TBB related flags
367ifneq (${GENERATE_COT},0)
368        # Common cert_create options
369        ifneq (${CREATE_KEYS},0)
370                $(eval CRT_ARGS += -n)
371                $(eval FWU_CRT_ARGS += -n)
372                ifneq (${SAVE_KEYS},0)
373                        $(eval CRT_ARGS += -k)
374                        $(eval FWU_CRT_ARGS += -k)
375                endif
376        endif
377        # Include TBBR makefile (unless the platform indicates otherwise)
378        ifeq (${INCLUDE_TBBR_MK},1)
379                include make_helpers/tbbr/tbbr_tools.mk
380        endif
381endif
382
383
384################################################################################
385# Auxiliary tools (fip_create, cert_create, etc)
386################################################################################
387
388# Variables for use with Certificate Generation Tool
389CRTTOOLPATH		?=	tools/cert_create
390CRTTOOL			?=	${CRTTOOLPATH}/cert_create
391
392# Variables for use with Firmware Image Package
393FIPTOOLPATH		?=	tools/fip_create
394FIPTOOL			?=	${FIPTOOLPATH}/fip_create
395
396
397################################################################################
398# Build options checks
399################################################################################
400
401$(eval $(call assert_boolean,DEBUG))
402$(eval $(call assert_boolean,NS_TIMER_SWITCH))
403$(eval $(call assert_boolean,RESET_TO_BL31))
404$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
405$(eval $(call assert_boolean,ASM_ASSERTION))
406$(eval $(call assert_boolean,USE_COHERENT_MEM))
407$(eval $(call assert_boolean,DISABLE_PEDANTIC))
408$(eval $(call assert_boolean,GENERATE_COT))
409$(eval $(call assert_boolean,CREATE_KEYS))
410$(eval $(call assert_boolean,SAVE_KEYS))
411$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
412$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
413$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
414$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
415$(eval $(call assert_boolean,ERROR_DEPRECATED))
416$(eval $(call assert_boolean,ENABLE_PLAT_COMPAT))
417$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
418$(eval $(call assert_boolean,PL011_GENERIC_UART))
419
420
421################################################################################
422# Add definitions to the cpp preprocessor based on the current build options.
423# This is done after including the platform specific makefile to allow the
424# platform to overwrite the default options
425################################################################################
426
427$(eval $(call add_define,PLAT_${PLAT}))
428$(eval $(call add_define,NS_TIMER_SWITCH))
429$(eval $(call add_define,RESET_TO_BL31))
430$(eval $(call add_define,CTX_INCLUDE_FPREGS))
431$(eval $(call add_define,ARM_GIC_ARCH))
432$(eval $(call add_define,ARM_CCI_PRODUCT_ID))
433$(eval $(call add_define,ASM_ASSERTION))
434$(eval $(call add_define,LOG_LEVEL))
435$(eval $(call add_define,USE_COHERENT_MEM))
436$(eval $(call add_define,TRUSTED_BOARD_BOOT))
437$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
438$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
439$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
440$(eval $(call add_define,ERROR_DEPRECATED))
441$(eval $(call add_define,ENABLE_PLAT_COMPAT))
442$(eval $(call add_define,SPIN_ON_BL1_EXIT))
443$(eval $(call add_define,PL011_GENERIC_UART))
444# Define the EL3_PAYLOAD_BASE flag only if it is provided.
445ifdef EL3_PAYLOAD_BASE
446        $(eval $(call add_define,EL3_PAYLOAD_BASE))
447else
448        # Define the BL33_BASE flag only if it is provided and EL3_PAYLOAD_BASE
449        # is not defined, as it has priority.
450        ifdef BL33_BASE
451                $(eval $(call add_define,BL33_BASE))
452        endif
453endif
454
455
456################################################################################
457# Include BL specific makefiles
458################################################################################
459
460ifdef BL1_SOURCES
461NEED_BL1 := yes
462include bl1/bl1.mk
463endif
464
465ifdef BL2_SOURCES
466NEED_BL2 := yes
467include bl2/bl2.mk
468endif
469
470ifdef BL2U_SOURCES
471NEED_BL2U := yes
472include bl2u/bl2u.mk
473endif
474
475ifdef BL31_SOURCES
476# When booting an EL3 payload, there is no need to compile the BL31 image nor
477# put it in the FIP.
478ifndef EL3_PAYLOAD_BASE
479NEED_BL31 := yes
480include bl31/bl31.mk
481endif
482endif
483
484
485################################################################################
486# Build targets
487################################################################################
488
489.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip fwu_fip certtool
490.SUFFIXES:
491
492all: msg_start
493
494msg_start:
495	@echo "Building ${PLAT}"
496
497# Check if deprecated declarations should be treated as error or not.
498ifeq (${ERROR_DEPRECATED},0)
499    CFLAGS		+= 	-Wno-error=deprecated-declarations
500endif
501
502# Expand build macros for the different images
503ifeq (${NEED_BL1},yes)
504$(eval $(call MAKE_BL,1))
505endif
506
507ifeq (${NEED_BL2},yes)
508$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},tb-fw)),\
509	$(eval $(call MAKE_BL,2,tb-fw)))
510endif
511
512ifeq (${NEED_BL31},yes)
513BL31_SOURCES += ${SPD_SOURCES}
514$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},soc-fw)),\
515	$(eval $(call MAKE_BL,31,soc-fw)))
516endif
517
518# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
519# build system will call FIP_ADD_IMG to print a warning message and abort the
520# process. Note that the dependency on BL32 applies to the FIP only.
521ifeq (${NEED_BL32},yes)
522$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},tos-fw)),\
523	$(if ${BL32_SOURCES}, $(eval $(call MAKE_BL,32,tos-fw)),\
524		$(eval $(call FIP_ADD_IMG,BL32,--tos-fw))))
525endif
526
527# Add the BL33 image if required by the platform
528ifeq (${NEED_BL33},yes)
529$(eval $(call FIP_ADD_IMG,BL33,--nt-fw))
530endif
531
532ifeq (${NEED_BL2U},yes)
533BL2U_PATH	:= $(if ${BL2U},${BL2U},$(call IMG_BIN,2u))
534$(if ${BL2U}, ,$(eval $(call MAKE_BL,2u)))
535$(eval $(call FWU_FIP_ADD_PAYLOAD,${BL2U_PATH},--ap-fwu-cfg))
536endif
537
538locate-checkpatch:
539ifndef CHECKPATCH
540	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl")
541else
542ifeq (,$(wildcard ${CHECKPATCH}))
543	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl")
544endif
545endif
546
547clean:
548	@echo "  CLEAN"
549	${Q}rm -rf ${BUILD_PLAT}
550	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
551	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
552
553realclean distclean:
554	@echo "  REALCLEAN"
555	${Q}rm -rf ${BUILD_BASE}
556	${Q}rm -f ${CURDIR}/cscope.*
557	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
558	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
559
560checkcodebase:		locate-checkpatch
561	@echo "  CHECKING STYLE"
562	@if test -d .git ; then	\
563		git ls-files | grep -v stdlib | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ;	\
564	 else			\
565		 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -not -iwholename "*stdlib*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
566	 fi
567
568checkpatch:		locate-checkpatch
569	@echo "  CHECKING STYLE"
570	${Q}git log -p ${BASE_COMMIT}..HEAD -- ${CHECK_PATHS} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true
571
572certtool: ${CRTTOOL}
573
574.PHONY: ${CRTTOOL}
575${CRTTOOL}:
576	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH}
577	@echo
578	@echo "Built $@ successfully"
579	@echo
580
581ifneq (${GENERATE_COT},0)
582certificates: ${CRT_DEPS} ${CRTTOOL}
583	${Q}${CRTTOOL} ${CRT_ARGS}
584	@echo
585	@echo "Built $@ successfully"
586	@echo "Certificates can be found in ${BUILD_PLAT}"
587	@echo
588endif
589
590${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
591	${Q}${FIPTOOL} --dump ${FIP_ARGS} $@
592	@echo
593	@echo "Built $@ successfully"
594	@echo
595
596ifneq (${GENERATE_COT},0)
597fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
598	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
599	@echo
600	@echo "Built $@ successfully"
601	@echo "FWU certificates can be found in ${BUILD_PLAT}"
602	@echo
603endif
604
605${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
606	${Q}${FIPTOOL} --dump ${FWU_FIP_ARGS} $@
607	@echo
608	@echo "Built $@ successfully"
609	@echo
610
611fiptool: ${FIPTOOL}
612fip: ${BUILD_PLAT}/${FIP_NAME}
613fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
614
615.PHONY: ${FIPTOOL}
616${FIPTOOL}:
617	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH}
618
619cscope:
620	@echo "  CSCOPE"
621	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
622	${Q}cscope -b -q -k
623
624help:
625	@echo "usage: ${MAKE} PLAT=<${PLATFORMS}> [OPTIONS] [TARGET]"
626	@echo ""
627	@echo "PLAT is used to specify which platform you wish to build."
628	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
629	@echo ""
630	@echo "Please refer to the User Guide for a list of all supported options."
631	@echo "Note that the build system doesn't track dependencies for build "
632	@echo "options. Therefore, if any of the build options are changed "
633	@echo "from a previous build, a clean build must be performed."
634	@echo ""
635	@echo "Supported Targets:"
636	@echo "  all            Build all individual bootloader binaries"
637	@echo "  bl1            Build the BL1 binary"
638	@echo "  bl2            Build the BL2 binary"
639	@echo "  bl2u           Build the BL2U binary"
640	@echo "  bl31           Build the BL31 binary"
641	@echo "  bl32           Build the BL32 binary"
642	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
643	@echo "  fip            Build the Firmware Image Package (FIP)"
644	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
645	@echo "  checkcodebase  Check the coding style of the entire source tree"
646	@echo "  checkpatch     Check the coding style on changes in the current"
647	@echo "                 branch against BASE_COMMIT (default origin/master)"
648	@echo "  clean          Clean the build for the selected platform"
649	@echo "  cscope         Generate cscope index"
650	@echo "  distclean      Remove all build artifacts for all platforms"
651	@echo "  certtool       Build the Certificate generation tool"
652	@echo "  fiptool        Build the Firmware Image Package(FIP) creation tool"
653	@echo ""
654	@echo "Note: most build targets require PLAT to be set to a specific platform."
655	@echo ""
656	@echo "example: build all targets for the FVP platform:"
657	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
658