1#
2# Copyright (c) 2013-2014, 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		:= 1
36
37#
38# Default values for build configurations
39#
40
41# Build verbosity
42V			:= 0
43# Debug build
44DEBUG			:= 0
45# Build architecture
46ARCH 			:= aarch64
47# Build platform
48DEFAULT_PLAT		:= fvp
49PLAT			:= ${DEFAULT_PLAT}
50# SPD choice
51SPD			:= none
52# Base commit to perform code check on
53BASE_COMMIT		:= origin/master
54# NS timer register save and restore
55NS_TIMER_SWITCH		:= 0
56# By default, Bl1 acts as the reset handler, not BL31
57RESET_TO_BL31		:= 0
58# Include FP registers in cpu context
59CTX_INCLUDE_FPREGS		:= 0
60# Determine the version of ARM GIC architecture to use for interrupt management
61# in EL3. The platform port can change this value if needed.
62ARM_GIC_ARCH		:=	2
63# Flag used to indicate if ASM_ASSERTION should be enabled for the build.
64# This defaults to being present in DEBUG builds only.
65ASM_ASSERTION		:=	${DEBUG}
66# Build option to choose whether Trusted firmware uses Coherent memory or not.
67USE_COHERENT_MEM	:=	1
68# Default FIP file name
69FIP_NAME		:= fip.bin
70# By default, use the -pedantic option in the gcc command line
71DISABLE_PEDANTIC	:= 0
72# Flags to generate the Chain of Trust
73GENERATE_COT		:= 0
74CREATE_KEYS		:= 1
75# Flags to build TF with Trusted Boot support
76TRUSTED_BOARD_BOOT	:= 0
77AUTH_MOD		:= none
78
79# Checkpatch ignores
80CHECK_IGNORE		=	--ignore COMPLEX_MACRO
81
82CHECKPATCH_ARGS		=	--no-tree --no-signoff ${CHECK_IGNORE}
83CHECKCODE_ARGS		=	--no-patch --no-tree --no-signoff ${CHECK_IGNORE}
84
85ifeq (${V},0)
86	Q=@
87	CHECKCODE_ARGS	+=	--no-summary --terse
88else
89	Q=
90endif
91export Q
92
93ifneq (${DEBUG}, 0)
94	BUILD_TYPE	:=	debug
95	# Use LOG_LEVEL_INFO by default for debug builds
96	LOG_LEVEL	:=	40
97else
98	BUILD_TYPE	:=	release
99	# Use LOG_LEVEL_NOTICE by default for release builds
100	LOG_LEVEL	:=	20
101endif
102
103# Default build string (git branch and commit)
104ifeq (${BUILD_STRING},)
105	BUILD_STRING	:=	$(shell git log -n 1 --pretty=format:"%h")
106endif
107
108VERSION_STRING		:=	v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING}
109
110BL_COMMON_SOURCES	:=	common/bl_common.c			\
111				common/tf_printf.c			\
112				common/aarch64/debug.S			\
113				lib/aarch64/cache_helpers.S		\
114				lib/aarch64/misc_helpers.S		\
115				lib/aarch64/xlat_helpers.c		\
116				lib/stdlib/std.c			\
117				plat/common/aarch64/platform_helpers.S
118
119BUILD_BASE		:=	./build
120BUILD_PLAT		:=	${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
121
122PLATFORMS		:=	$(shell ls -I common plat/)
123SPDS			:=	$(shell ls -I none services/spd)
124HELP_PLATFORMS		:=	$(shell echo ${PLATFORMS} | sed 's/ /|/g')
125
126# Convenience function for adding build definitions
127# $(eval $(call add_define,FOO)) will have:
128# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise
129define add_define
130DEFINES			+=	-D$(1)$(if $(value $(1)),=$(value $(1)),)
131endef
132
133# Convenience function for verifying option has a boolean value
134# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1
135define assert_boolean
136$(and $(patsubst 0,,$(value $(1))),$(patsubst 1,,$(value $(1))),$(error $(1) must be boolean))
137endef
138
139ifeq (${PLAT},)
140  $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform.")
141endif
142ifeq ($(findstring ${PLAT},${PLATFORMS}),)
143  $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}")
144endif
145
146all: msg_start
147
148msg_start:
149	@echo "Building ${PLAT}"
150
151include plat/${PLAT}/platform.mk
152
153# Include the CPU specific operations makefile. By default all CPU errata
154# workarounds and CPU specifc optimisations are disabled. This can be
155# overridden by the platform.
156include lib/cpus/cpu-ops.mk
157
158ifdef BL1_SOURCES
159NEED_BL1 := yes
160include bl1/bl1.mk
161endif
162
163ifdef BL2_SOURCES
164NEED_BL2 := yes
165include bl2/bl2.mk
166# Using the ARM Trusted Firmware BL2 implies that a BL3-3 image also need to be supplied for the FIP.
167# This flag can be overridden by the platform.
168NEED_BL33 ?= yes
169endif
170
171ifdef BL31_SOURCES
172NEED_BL31 := yes
173include bl31/bl31.mk
174endif
175
176# Include SPD Makefile if one has been specified
177ifneq (${SPD},none)
178  # We expect to locate an spd.mk under the specified SPD directory
179  SPD_MAKE		:=	$(shell m="services/spd/${SPD}/${SPD}.mk"; [ -f "$$m" ] && echo "$$m")
180
181  ifeq (${SPD_MAKE},)
182    $(error Error: No services/spd/${SPD}/${SPD}.mk located)
183  endif
184  $(info Including ${SPD_MAKE})
185  include ${SPD_MAKE}
186
187  # If there's BL3-2 companion for the chosen SPD, and the SPD wants to build the
188  # BL3-2 from source, we expect that the SPD's Makefile would set NEED_BL32
189  # variable to "yes". In case the BL3-2 is a binary which needs to be included in
190  # fip, then the NEED_BL32 needs to be set and BL3-2 would need to point to the bin.
191endif
192
193.PHONY:			all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip certtool
194.SUFFIXES:
195
196INCLUDES		+=	-Iinclude/bl31			\
197				-Iinclude/bl31/services		\
198				-Iinclude/common		\
199				-Iinclude/drivers		\
200				-Iinclude/drivers/arm		\
201				-Iinclude/drivers/io		\
202				-Iinclude/lib			\
203				-Iinclude/lib/aarch64		\
204				-Iinclude/lib/cpus/aarch64	\
205				-Iinclude/plat/common		\
206				-Iinclude/stdlib		\
207				-Iinclude/stdlib/sys		\
208				${PLAT_INCLUDES}		\
209				${SPD_INCLUDES}
210
211# Process DEBUG flag
212$(eval $(call assert_boolean,DEBUG))
213$(eval $(call add_define,DEBUG))
214ifeq (${DEBUG},0)
215  $(eval $(call add_define,NDEBUG))
216else
217CFLAGS			+= 	-g
218ASFLAGS			+= 	-g -Wa,--gdwarf-2
219endif
220
221# Process NS_TIMER_SWITCH flag
222$(eval $(call assert_boolean,NS_TIMER_SWITCH))
223$(eval $(call add_define,NS_TIMER_SWITCH))
224
225# Process RESET_TO_BL31 flag
226$(eval $(call assert_boolean,RESET_TO_BL31))
227$(eval $(call add_define,RESET_TO_BL31))
228
229# Process CTX_INCLUDE_FPREGS flag
230$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
231$(eval $(call add_define,CTX_INCLUDE_FPREGS))
232
233# Process ARM_GIC_ARCH flag
234$(eval $(call add_define,ARM_GIC_ARCH))
235
236# Process ASM_ASSERTION flag
237$(eval $(call assert_boolean,ASM_ASSERTION))
238$(eval $(call add_define,ASM_ASSERTION))
239
240# Process LOG_LEVEL flag
241$(eval $(call add_define,LOG_LEVEL))
242
243# Process USE_COHERENT_MEM flag
244$(eval $(call assert_boolean,USE_COHERENT_MEM))
245$(eval $(call add_define,USE_COHERENT_MEM))
246
247# Process Generate CoT flags
248$(eval $(call assert_boolean,GENERATE_COT))
249$(eval $(call assert_boolean,CREATE_KEYS))
250
251# Process TRUSTED_BOARD_BOOT flag
252$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
253$(eval $(call add_define,TRUSTED_BOARD_BOOT))
254
255ASFLAGS			+= 	-nostdinc -ffreestanding -Wa,--fatal-warnings	\
256				-Werror -Wmissing-include-dirs			\
257				-mgeneral-regs-only -D__ASSEMBLY__		\
258				${DEFINES} ${INCLUDES}
259CFLAGS			+= 	-nostdinc -ffreestanding -Wall			\
260				-Werror -Wmissing-include-dirs			\
261				-mgeneral-regs-only -mstrict-align		\
262				-std=c99 -c -Os	${DEFINES} ${INCLUDES} -fno-pic
263CFLAGS			+=	-ffunction-sections -fdata-sections		\
264				-fno-delete-null-pointer-checks
265
266LDFLAGS			+=	--fatal-warnings -O1
267LDFLAGS			+=	--gc-sections
268
269
270CC			:=	${CROSS_COMPILE}gcc
271CPP			:=	${CROSS_COMPILE}cpp
272AS			:=	${CROSS_COMPILE}gcc
273AR			:=	${CROSS_COMPILE}ar
274LD			:=	${CROSS_COMPILE}ld
275OC			:=	${CROSS_COMPILE}objcopy
276OD			:=	${CROSS_COMPILE}objdump
277NM			:=	${CROSS_COMPILE}nm
278PP			:=	${CROSS_COMPILE}gcc -E ${CFLAGS}
279
280# Variables for use with Firmware Image Package
281FIPTOOLPATH		?=	tools/fip_create
282FIPTOOL			?=	${FIPTOOLPATH}/fip_create
283fiptool:		${FIPTOOL}
284fip:			${BUILD_PLAT}/${FIP_NAME}
285
286# Variables for use with Certificate Generation Tool
287CRTTOOLPATH		?=	tools/cert_create
288CRTTOOL			?=	${CRTTOOLPATH}/cert_create
289certtool:		${CRTTOOL}
290
291# CoT generation tool default parameters
292TRUSTED_KEY_CERT	:=	${BUILD_PLAT}/trusted_key.crt
293
294# Pass the private keys to the CoT generation tool in the command line
295# If CREATE_KEYS is set, the '-n' option will be added, indicating the tool to create new keys
296ifneq (${GENERATE_COT},0)
297    $(eval CERTS := yes)
298
299    $(eval FIP_DEPS += certificates)
300    $(eval FIP_ARGS += --trusted-key-cert ${TRUSTED_KEY_CERT})
301
302    ifneq (${CREATE_KEYS},0)
303        $(eval CRT_ARGS += -n)
304    endif
305    $(eval CRT_ARGS += $(if ${ROT_KEY}, --rot-key ${ROT_KEY}))
306    $(eval CRT_ARGS += $(if ${TRUSTED_WORLD_KEY}, --trusted-world-key ${TRUSTED_WORLD_KEY}))
307    $(eval CRT_ARGS += $(if ${NON_TRUSTED_WORLD_KEY}, --non-trusted-world-key ${NON_TRUSTED_WORLD_KEY}))
308    $(eval CRT_ARGS += --trusted-key-cert ${TRUSTED_KEY_CERT})
309endif
310
311# Check Trusted Board Boot options
312ifneq (${TRUSTED_BOARD_BOOT},0)
313    ifeq (${AUTH_MOD},none)
314        $(error Error: When TRUSTED_BOARD_BOOT=1, AUTH_MOD has to be the name of a valid authentication module)
315    else
316        # We expect to locate an *.mk file under the specified AUTH_MOD directory
317        AUTH_MAKE := $(shell m="common/auth/${AUTH_MOD}/${AUTH_MOD}.mk"; [ -f "$$m" ] && echo "$$m")
318        ifeq (${AUTH_MAKE},)
319            $(error Error: No common/auth/${AUTH_MOD}/${AUTH_MOD}.mk located)
320        endif
321        $(info Including ${AUTH_MAKE})
322        include ${AUTH_MAKE}
323    endif
324
325    BL_COMMON_SOURCES	+=	common/auth.c
326endif
327
328# Check if -pedantic option should be used
329ifeq (${DISABLE_PEDANTIC},0)
330    CFLAGS		+= 	-pedantic
331endif
332
333locate-checkpatch:
334ifndef CHECKPATCH
335	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl")
336else
337ifeq (,$(wildcard ${CHECKPATCH}))
338	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl")
339endif
340endif
341
342clean:
343			@echo "  CLEAN"
344			${Q}rm -rf ${BUILD_PLAT}
345			${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
346			${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
347
348realclean distclean:
349			@echo "  REALCLEAN"
350			${Q}rm -rf ${BUILD_BASE}
351			${Q}rm -f ${CURDIR}/cscope.*
352			${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
353			${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
354
355checkcodebase:		locate-checkpatch
356			@echo "  CHECKING STYLE"
357			@if test -d .git ; then	\
358				git ls-files | grep -v stdlib | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ;	\
359			 else			\
360				 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -not -iwholename "*stdlib*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
361			 fi
362
363checkpatch:		locate-checkpatch
364			@echo "  CHECKING STYLE"
365			@git format-patch --stdout ${BASE_COMMIT} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true
366
367.PHONY: ${CRTTOOL}
368${CRTTOOL}:
369			${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH}
370			@echo
371			@echo "Built $@ successfully"
372			@echo
373
374.PHONY: ${FIPTOOL}
375${FIPTOOL}:
376			${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH}
377
378define match_goals
379$(strip $(foreach goal,$(1),$(filter $(goal),$(MAKECMDGOALS))))
380endef
381
382# List of rules that involve building things
383BUILD_TARGETS := all bl1 bl2 bl31 bl32 fip
384
385# Does the list of goals specified on the command line include a build target?
386ifneq ($(call match_goals,${BUILD_TARGETS}),)
387IS_ANYTHING_TO_BUILD := 1
388endif
389
390define MAKE_C
391
392$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2))))
393$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ)))
394
395$(OBJ) : $(2)
396	@echo "  CC      $$<"
397	$$(Q)$$(CC) $$(CFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@
398
399
400$(PREREQUISITES) : $(2)
401	@echo "  DEPS    $$@"
402	@mkdir -p $(1)
403	$$(Q)$$(CC) $$(CFLAGS) -M -MT $(OBJ) -MF $$@ $$<
404
405ifdef IS_ANYTHING_TO_BUILD
406-include $(PREREQUISITES)
407endif
408
409endef
410
411
412define MAKE_S
413
414$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2))))
415$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ)))
416
417$(OBJ) : $(2)
418	@echo "  AS      $$<"
419	$$(Q)$$(AS) $$(ASFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@
420
421$(PREREQUISITES) : $(2)
422	@echo "  DEPS    $$@"
423	@mkdir -p $(1)
424	$$(Q)$$(AS) $$(ASFLAGS) -M -MT $(OBJ) -MF $$@ $$<
425
426ifdef IS_ANYTHING_TO_BUILD
427-include $(PREREQUISITES)
428endif
429
430endef
431
432
433define MAKE_LD
434
435$(eval PREREQUISITES := $(1).d)
436
437$(1) : $(2)
438	@echo "  PP      $$<"
439	$$(Q)$$(AS) $$(ASFLAGS) -P -E -D__LINKER__ -o $$@ $$<
440
441$(PREREQUISITES) : $(2)
442	@echo "  DEPS    $$@"
443	@mkdir -p $$(dir $$@)
444	$$(Q)$$(AS) $$(ASFLAGS) -M -MT $(1) -MF $$@ $$<
445
446ifdef IS_ANYTHING_TO_BUILD
447-include $(PREREQUISITES)
448endif
449
450endef
451
452
453define MAKE_OBJS
454	$(eval C_OBJS := $(filter %.c,$(2)))
455	$(eval REMAIN := $(filter-out %.c,$(2)))
456	$(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3))))
457
458	$(eval S_OBJS := $(filter %.S,$(REMAIN)))
459	$(eval REMAIN := $(filter-out %.S,$(REMAIN)))
460	$(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3))))
461
462	$(and $(REMAIN),$(error Unexpected source files present: $(REMAIN)))
463endef
464
465
466# NOTE: The line continuation '\' is required in the next define otherwise we
467# end up with a line-feed characer at the end of the last c filename.
468# Also bare this issue in mind if extending the list of supported filetypes.
469define SOURCES_TO_OBJS
470	$(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \
471	$(notdir $(patsubst %.S,%.o,$(filter %.S,$(1))))
472endef
473
474
475# MAKE_TOOL_ARGS macro defines the command line arguments for the FIP and CRT
476# tools at each BL stage. Arguments:
477#   $(1) = BL stage (2, 30, 31, 32, 33)
478#   $(2) = Binary file
479#   $(3) = In FIP (false if empty)
480#   $(4) = Create certificates (false if empty)
481#   $(5) = Create key certificate (false if empty)
482#   $(6) = Private key (optional)
483define MAKE_TOOL_ARGS
484
485$(eval FIP_DEPS += $(if $3,$(2),))
486$(eval FIP_ARGS += $(if $3,--bl$(1) $(2),))
487$(eval FIP_ARGS += $(if $4,--bl$(1)-cert $(BUILD_PLAT)/bl$(1).crt))
488$(eval FIP_ARGS += $(if $4,$(if $5,--bl$(1)-key-cert $(BUILD_PLAT)/bl$(1)_key.crt)))
489
490$(eval CRT_DEPS += $(if $4,$(2),))
491$(eval CRT_DEPS += $(if $4,$(if $6,$(6),)))
492$(eval CRT_ARGS += $(if $4,--bl$(1) $(2)))
493$(eval CRT_ARGS += $(if $4,$(if $6,--bl$(1)-key $(6))))
494$(eval CRT_ARGS += $(if $4,--bl$(1)-cert $(BUILD_PLAT)/bl$(1).crt))
495$(eval CRT_ARGS += $(if $4,$(if $5,--bl$(1)-key-cert $(BUILD_PLAT)/bl$(1)_key.crt)))
496
497endef
498
499
500# MAKE_BL macro defines the targets and options to build each BL image.
501# Arguments:
502#   $(1) = BL stage (2, 30, 31, 32, 33)
503#   $(2) = In FIP (false if empty)
504#   $(3) = Create certificates (false if empty)
505#   $(4) = Create key certificate (false if empty)
506#   $(5) = Private key (optional)
507define MAKE_BL
508	$(eval BUILD_DIR  := ${BUILD_PLAT}/bl$(1))
509	$(eval SOURCES    := $(BL$(1)_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES))
510	$(eval OBJS       := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES))))
511	$(eval LINKERFILE := $(BUILD_DIR)/bl$(1).ld)
512	$(eval MAPFILE    := $(BUILD_DIR)/bl$(1).map)
513	$(eval ELF        := $(BUILD_DIR)/bl$(1).elf)
514	$(eval DUMP       := $(BUILD_DIR)/bl$(1).dump)
515	$(eval BIN        := $(BUILD_PLAT)/bl$(1).bin)
516
517	$(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1)))
518	$(eval $(call MAKE_LD,$(LINKERFILE),$(BL$(1)_LINKERFILE)))
519
520$(BUILD_DIR) :
521	$$(Q)mkdir -p "$$@"
522
523$(ELF) : $(OBJS) $(LINKERFILE)
524	@echo "  LD      $$@"
525	@echo 'const char build_message[] = "Built : "__TIME__", "__DATE__; \
526	       const char version_string[] = "${VERSION_STRING}";' | \
527		$$(CC) $$(CFLAGS) -xc - -o $(BUILD_DIR)/build_message.o
528	$$(Q)$$(LD) -o $$@ $$(LDFLAGS) -Map=$(MAPFILE) --script $(LINKERFILE) \
529					$(BUILD_DIR)/build_message.o $(OBJS)
530
531$(DUMP) : $(ELF)
532	@echo "  OD      $$@"
533	$${Q}$${OD} -dx $$< > $$@
534
535$(BIN) : $(ELF)
536	@echo "  BIN     $$@"
537	$$(Q)$$(OC) -O binary $$< $$@
538	@echo
539	@echo "Built $$@ successfully"
540	@echo
541
542.PHONY : bl$(1)
543bl$(1) : $(BUILD_DIR) $(BIN) $(DUMP)
544
545all : bl$(1)
546
547$(eval $(call MAKE_TOOL_ARGS,$(1),$(BIN),$(2),$(3),$(4),$(5)))
548
549endef
550
551
552ifeq (${NEED_BL1},yes)
553$(eval $(call MAKE_BL,1))
554endif
555
556ifeq (${NEED_BL2},yes)
557$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},in_fip,${CERTS})),\
558	$(eval $(call MAKE_BL,2,in_fip,${CERTS})))
559endif
560
561ifeq (${NEED_BL31},yes)
562BL31_SOURCES += ${SPD_SOURCES}
563$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},in_fip,${CERTS},${CERTS},${BL31_KEY})),\
564	$(eval $(call MAKE_BL,31,in_fip,${CERTS},${CERTS},${BL31_KEY})))
565endif
566
567ifeq (${NEED_BL32},yes)
568$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},in_fip,${CERTS},${CERTS},${BL32_KEY})),\
569	$(eval $(call MAKE_BL,32,in_fip,${CERTS},${CERTS},${BL32_KEY})))
570endif
571
572ifeq (${NEED_BL30},yes)
573$(if ${BL30}, $(eval $(call MAKE_TOOL_ARGS,30,${BL30},in_fip,${CERTS},${CERTS},${BL30_KEY})))
574
575# If BL3-0 is needed by the platform then 'BL30' variable must be defined.
576check_bl30:
577	$(if ${BL30},,$(error "To build a FIP for platform ${PLAT}, please set BL30 to point to the SCP firmware"))
578else
579
580# If BL3-0 is not needed by the platform but the user still specified the path
581# to a BL3-0 image then warn him that it will be ignored.
582check_bl30:
583	$(if ${BL30},$(warning "BL3-0 is not supported on platform ${PLAT}, it will just be ignored"),)
584endif
585
586ifeq (${NEED_BL33},yes)
587$(if ${BL33}, $(eval $(call MAKE_TOOL_ARGS,33,${BL33},in_fip,${CERTS},${CERTS},${BL33_KEY})))
588
589# If BL3-3 is needed by the platform then 'BL33' variable must be defined.
590check_bl33:
591	$(if ${BL33},,$(error "To build a FIP, please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd"))
592else
593
594# If BL3-3 is not needed by the platform but the user still specified the path
595# to a BL3-3 image then warn him that it will be ignored.
596check_bl33:
597	$(if ${BL33},$(warning "BL3-3 is not supported on platform ${PLAT}, it will just be ignored"),)
598endif
599
600# Add the dependency on the certificates
601ifneq (${GENERATE_COT},0)
602    all: certificates
603endif
604
605certificates: ${CRT_DEPS} ${CRTTOOL} check_bl30 check_bl33
606			${Q}${CRTTOOL} ${CRT_ARGS}
607			@echo
608			@echo "Built $@ successfully"
609			@echo "Certificates can be found in ${BUILD_PLAT}"
610			@echo
611
612${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} check_bl30 check_bl33
613			${Q}${FIPTOOL} --dump \
614				${FIP_ARGS} \
615				$@
616			@echo
617			@echo "Built $@ successfully"
618			@echo
619
620
621cscope:
622	@echo "  CSCOPE"
623	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
624	${Q}cscope -b -q -k
625
626help:
627	@echo "usage: ${MAKE} PLAT=<${HELP_PLATFORMS}> <all|bl1|bl2|bl31|distclean|clean|checkcodebase|checkpatch>"
628	@echo ""
629	@echo "PLAT is used to specify which platform you wish to build."
630	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
631	@echo ""
632	@echo "Supported Targets:"
633	@echo "  all            Build the BL1, BL2 and BL31 binaries"
634	@echo "  bl1            Build the BL1 binary"
635	@echo "  bl2            Build the BL2 binary"
636	@echo "  bl31           Build the BL31 binary"
637	@echo "  checkcodebase  Check the coding style of the entire source tree"
638	@echo "  checkpatch     Check the coding style on changes in the current"
639	@echo "                 branch against BASE_COMMIT (default origin/master)"
640	@echo "  clean          Clean the build for the selected platform"
641	@echo "  cscope         Generate cscope index"
642	@echo "  distclean      Remove all build artifacts for all platforms"
643	@echo "  certtool       Build the Certificate generation tool"
644	@echo "  fiptool        Build the Firmware Image Package(FIP) creation tool"
645	@echo ""
646	@echo "note: most build targets require PLAT to be set to a specific platform."
647	@echo ""
648	@echo "example: build all targets for the FVP platform:"
649	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
650