xref: /rk3399_ARM-atf/Makefile (revision bf031bba2b9dfc994a7d0c18dfc5e64469cee480)
1#
2# Copyright (c) 2013-2015, 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 platform
46DEFAULT_PLAT		:= fvp
47PLAT			:= ${DEFAULT_PLAT}
48# SPD choice
49SPD			:= none
50# Base commit to perform code check on
51BASE_COMMIT		:= origin/master
52# NS timer register save and restore
53NS_TIMER_SWITCH		:= 0
54# By default, Bl1 acts as the reset handler, not BL31
55RESET_TO_BL31		:= 0
56# Include FP registers in cpu context
57CTX_INCLUDE_FPREGS		:= 0
58# Determine the version of ARM GIC architecture to use for interrupt management
59# in EL3. The platform port can change this value if needed.
60ARM_GIC_ARCH		:=	2
61# Determine the version of ARM CCI product used in the platform. The platform
62# port can change this value if needed.
63ARM_CCI_PRODUCT_ID	:=	400
64# Flag used to indicate if ASM_ASSERTION should be enabled for the build.
65# This defaults to being present in DEBUG builds only.
66ASM_ASSERTION		:=	${DEBUG}
67# Build option to choose whether Trusted firmware uses Coherent memory or not.
68USE_COHERENT_MEM	:=	1
69# Default FIP file name
70FIP_NAME		:= fip.bin
71# By default, use the -pedantic option in the gcc command line
72DISABLE_PEDANTIC	:= 0
73# Flags to generate the Chain of Trust
74GENERATE_COT		:= 0
75CREATE_KEYS		:= 1
76# Flags to build TF with Trusted Boot support
77TRUSTED_BOARD_BOOT	:= 0
78AUTH_MOD		:= none
79# By default, consider that the platform's reset address is not programmable.
80# The platform Makefile is free to override this value.
81PROGRAMMABLE_RESET_ADDRESS	:= 0
82
83# Checkpatch ignores
84CHECK_IGNORE		=	--ignore COMPLEX_MACRO \
85				--ignore GERRIT_CHANGE_ID \
86				--ignore GIT_COMMIT_ID
87
88CHECKPATCH_ARGS		=	--no-tree --no-signoff ${CHECK_IGNORE}
89CHECKCODE_ARGS		=	--no-patch --no-tree --no-signoff ${CHECK_IGNORE}
90# Do not check the coding style on C library files
91CHECK_PATHS		=	$(shell ls -I include -I lib) \
92				$(addprefix include/,$(shell ls -I stdlib include)) \
93				$(addprefix lib/,$(shell ls -I stdlib lib))
94
95ifeq (${V},0)
96	Q=@
97	CHECKCODE_ARGS	+=	--no-summary --terse
98else
99	Q=
100endif
101export Q
102
103ifneq (${DEBUG}, 0)
104	BUILD_TYPE	:=	debug
105	# Use LOG_LEVEL_INFO by default for debug builds
106	LOG_LEVEL	:=	40
107else
108	BUILD_TYPE	:=	release
109	# Use LOG_LEVEL_NOTICE by default for release builds
110	LOG_LEVEL	:=	20
111endif
112
113# Default build string (git branch and commit)
114ifeq (${BUILD_STRING},)
115	BUILD_STRING	:=	$(shell git log -n 1 --pretty=format:"%h")
116endif
117
118VERSION_STRING		:=	v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING}
119
120BL_COMMON_SOURCES	:=	common/bl_common.c			\
121				common/tf_printf.c			\
122				common/aarch64/debug.S			\
123				lib/aarch64/cache_helpers.S		\
124				lib/aarch64/misc_helpers.S		\
125				lib/aarch64/xlat_helpers.c		\
126				lib/stdlib/std.c			\
127				plat/common/aarch64/platform_helpers.S
128
129BUILD_BASE		:=	./build
130BUILD_PLAT		:=	${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
131
132PLAT_MAKEFILE		:=	platform.mk
133# Generate the platforms list by recursively searching for all directories
134# under /plat containing a PLAT_MAKEFILE. Append each platform with a `|`
135# char and strip out the final '|'.
136PLATFORMS		:=	$(shell find plat/ -name '${PLAT_MAKEFILE}' -print0 |			\
137					sed -r 's%[^\x00]*\/([^/]*)\/${PLAT_MAKEFILE}\x00%\1|%g' |	\
138					sed -r 's/\|$$//')
139SPDS			:=	$(shell ls -I none services/spd)
140
141# Convenience function for adding build definitions
142# $(eval $(call add_define,FOO)) will have:
143# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise
144define add_define
145DEFINES			+=	-D$(1)$(if $(value $(1)),=$(value $(1)),)
146endef
147
148# Convenience function for verifying option has a boolean value
149# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1
150define assert_boolean
151$(and $(patsubst 0,,$(value $(1))),$(patsubst 1,,$(value $(1))),$(error $(1) must be boolean))
152endef
153
154ifeq (${PLAT},)
155  $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform")
156endif
157PLAT_MAKEFILE_FULL	:=	$(shell find plat/ -wholename '*/${PLAT}/${PLAT_MAKEFILE}')
158ifeq ($(PLAT_MAKEFILE_FULL),)
159  $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}")
160endif
161
162all: msg_start
163
164msg_start:
165	@echo "Building ${PLAT}"
166
167include ${PLAT_MAKEFILE_FULL}
168
169# Include the CPU specific operations makefile. By default all CPU errata
170# workarounds and CPU specifc optimisations are disabled. This can be
171# overridden by the platform.
172include lib/cpus/cpu-ops.mk
173
174ifdef BL1_SOURCES
175NEED_BL1 := yes
176include bl1/bl1.mk
177endif
178
179ifdef BL2_SOURCES
180NEED_BL2 := yes
181include bl2/bl2.mk
182# Using the ARM Trusted Firmware BL2 implies that a BL3-3 image also need to be supplied for the FIP.
183# This flag can be overridden by the platform.
184NEED_BL33 ?= yes
185endif
186
187ifdef BL31_SOURCES
188NEED_BL31 := yes
189include bl31/bl31.mk
190endif
191
192# Include SPD Makefile if one has been specified
193ifneq (${SPD},none)
194  # We expect to locate an spd.mk under the specified SPD directory
195  SPD_MAKE		:=	$(shell m="services/spd/${SPD}/${SPD}.mk"; [ -f "$$m" ] && echo "$$m")
196
197  ifeq (${SPD_MAKE},)
198    $(error Error: No services/spd/${SPD}/${SPD}.mk located)
199  endif
200  $(info Including ${SPD_MAKE})
201  include ${SPD_MAKE}
202
203  # If there's BL3-2 companion for the chosen SPD, and the SPD wants to build the
204  # BL3-2 from source, we expect that the SPD's Makefile would set NEED_BL32
205  # variable to "yes". In case the BL3-2 is a binary which needs to be included in
206  # fip, then the NEED_BL32 needs to be set and BL3-2 would need to point to the bin.
207endif
208
209.PHONY:			all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip certtool
210.SUFFIXES:
211
212INCLUDES		+=	-Iinclude/bl31			\
213				-Iinclude/bl31/services		\
214				-Iinclude/common		\
215				-Iinclude/drivers		\
216				-Iinclude/drivers/arm		\
217				-Iinclude/drivers/io		\
218				-Iinclude/lib			\
219				-Iinclude/lib/aarch64		\
220				-Iinclude/lib/cpus/aarch64	\
221				-Iinclude/plat/common		\
222				-Iinclude/stdlib		\
223				-Iinclude/stdlib/sys		\
224				${PLAT_INCLUDES}		\
225				${SPD_INCLUDES}
226
227# Process DEBUG flag
228$(eval $(call assert_boolean,DEBUG))
229$(eval $(call add_define,DEBUG))
230ifeq (${DEBUG},0)
231  $(eval $(call add_define,NDEBUG))
232else
233CFLAGS			+= 	-g
234ASFLAGS			+= 	-g -Wa,--gdwarf-2
235endif
236
237# Process PLAT flag
238$(eval $(call add_define,PLAT_${PLAT}))
239
240# Process NS_TIMER_SWITCH flag
241$(eval $(call assert_boolean,NS_TIMER_SWITCH))
242$(eval $(call add_define,NS_TIMER_SWITCH))
243
244# Process RESET_TO_BL31 flag
245$(eval $(call assert_boolean,RESET_TO_BL31))
246$(eval $(call add_define,RESET_TO_BL31))
247
248# Process CTX_INCLUDE_FPREGS flag
249$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
250$(eval $(call add_define,CTX_INCLUDE_FPREGS))
251
252# Process ARM_GIC_ARCH flag
253$(eval $(call add_define,ARM_GIC_ARCH))
254
255# Process ARM_CCI_PRODUCT_ID flag
256$(eval $(call add_define,ARM_CCI_PRODUCT_ID))
257
258# Process ASM_ASSERTION flag
259$(eval $(call assert_boolean,ASM_ASSERTION))
260$(eval $(call add_define,ASM_ASSERTION))
261
262# Process LOG_LEVEL flag
263$(eval $(call add_define,LOG_LEVEL))
264
265# Process USE_COHERENT_MEM flag
266$(eval $(call assert_boolean,USE_COHERENT_MEM))
267$(eval $(call add_define,USE_COHERENT_MEM))
268
269# Process Generate CoT flags
270$(eval $(call assert_boolean,GENERATE_COT))
271$(eval $(call assert_boolean,CREATE_KEYS))
272
273# Process TRUSTED_BOARD_BOOT flag
274$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
275$(eval $(call add_define,TRUSTED_BOARD_BOOT))
276
277# Process PROGRAMMABLE_RESET_ADDRESS flag
278$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
279$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
280
281ASFLAGS			+= 	-nostdinc -ffreestanding -Wa,--fatal-warnings	\
282				-Werror -Wmissing-include-dirs			\
283				-mgeneral-regs-only -D__ASSEMBLY__		\
284				${DEFINES} ${INCLUDES}
285CFLAGS			+= 	-nostdinc -ffreestanding -Wall			\
286				-Werror -Wmissing-include-dirs			\
287				-mgeneral-regs-only -std=c99 -c -Os		\
288				${DEFINES} ${INCLUDES}
289CFLAGS			+=	-ffunction-sections -fdata-sections
290
291LDFLAGS			+=	--fatal-warnings -O1
292LDFLAGS			+=	--gc-sections
293
294
295CC			:=	${CROSS_COMPILE}gcc
296CPP			:=	${CROSS_COMPILE}cpp
297AS			:=	${CROSS_COMPILE}gcc
298AR			:=	${CROSS_COMPILE}ar
299LD			:=	${CROSS_COMPILE}ld
300OC			:=	${CROSS_COMPILE}objcopy
301OD			:=	${CROSS_COMPILE}objdump
302NM			:=	${CROSS_COMPILE}nm
303PP			:=	${CROSS_COMPILE}gcc -E ${CFLAGS}
304
305# Variables for use with Firmware Image Package
306FIPTOOLPATH		?=	tools/fip_create
307FIPTOOL			?=	${FIPTOOLPATH}/fip_create
308fiptool:		${FIPTOOL}
309fip:			${BUILD_PLAT}/${FIP_NAME}
310
311# Variables for use with Certificate Generation Tool
312CRTTOOLPATH		?=	tools/cert_create
313CRTTOOL			?=	${CRTTOOLPATH}/cert_create
314certtool:		${CRTTOOL}
315
316# CoT generation tool default parameters
317TRUSTED_KEY_CERT	:=	${BUILD_PLAT}/trusted_key.crt
318
319# Pass the private keys to the CoT generation tool in the command line
320# If CREATE_KEYS is set, the '-n' option will be added, indicating the tool to create new keys
321ifneq (${GENERATE_COT},0)
322    $(eval CERTS := yes)
323
324    $(eval FIP_DEPS += certificates)
325    $(eval FIP_ARGS += --trusted-key-cert ${TRUSTED_KEY_CERT})
326
327    ifneq (${CREATE_KEYS},0)
328        $(eval CRT_ARGS += -n)
329    endif
330    $(eval CRT_ARGS += $(if ${ROT_KEY}, --rot-key ${ROT_KEY}))
331    $(eval CRT_ARGS += $(if ${TRUSTED_WORLD_KEY}, --trusted-world-key ${TRUSTED_WORLD_KEY}))
332    $(eval CRT_ARGS += $(if ${NON_TRUSTED_WORLD_KEY}, --non-trusted-world-key ${NON_TRUSTED_WORLD_KEY}))
333    $(eval CRT_ARGS += --trusted-key-cert ${TRUSTED_KEY_CERT})
334endif
335
336# Check Trusted Board Boot options
337ifneq (${TRUSTED_BOARD_BOOT},0)
338    ifeq (${AUTH_MOD},none)
339        $(error Error: When TRUSTED_BOARD_BOOT=1, AUTH_MOD has to be the name of a valid authentication module)
340    else
341        # We expect to locate an *.mk file under the specified AUTH_MOD directory
342        AUTH_MAKE := $(shell m="common/auth/${AUTH_MOD}/${AUTH_MOD}.mk"; [ -f "$$m" ] && echo "$$m")
343        ifeq (${AUTH_MAKE},)
344            $(error Error: No common/auth/${AUTH_MOD}/${AUTH_MOD}.mk located)
345        endif
346        $(info Including ${AUTH_MAKE})
347        include ${AUTH_MAKE}
348    endif
349
350    BL_COMMON_SOURCES	+=	common/auth.c
351endif
352
353# Check if -pedantic option should be used
354ifeq (${DISABLE_PEDANTIC},0)
355    CFLAGS		+= 	-pedantic
356endif
357
358locate-checkpatch:
359ifndef CHECKPATCH
360	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl")
361else
362ifeq (,$(wildcard ${CHECKPATCH}))
363	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl")
364endif
365endif
366
367clean:
368			@echo "  CLEAN"
369			${Q}rm -rf ${BUILD_PLAT}
370			${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
371			${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
372
373realclean distclean:
374			@echo "  REALCLEAN"
375			${Q}rm -rf ${BUILD_BASE}
376			${Q}rm -f ${CURDIR}/cscope.*
377			${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
378			${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
379
380checkcodebase:		locate-checkpatch
381			@echo "  CHECKING STYLE"
382			@if test -d .git ; then	\
383				git ls-files | grep -v stdlib | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ;	\
384			 else			\
385				 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -not -iwholename "*stdlib*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
386			 fi
387
388checkpatch:		locate-checkpatch
389			@echo "  CHECKING STYLE"
390			${Q}git log -p ${BASE_COMMIT}..HEAD -- ${CHECK_PATHS} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true
391
392.PHONY: ${CRTTOOL}
393${CRTTOOL}:
394			${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH}
395			@echo
396			@echo "Built $@ successfully"
397			@echo
398
399.PHONY: ${FIPTOOL}
400${FIPTOOL}:
401			${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH}
402
403define match_goals
404$(strip $(foreach goal,$(1),$(filter $(goal),$(MAKECMDGOALS))))
405endef
406
407# List of rules that involve building things
408BUILD_TARGETS := all bl1 bl2 bl31 bl32 fip
409
410# Does the list of goals specified on the command line include a build target?
411ifneq ($(call match_goals,${BUILD_TARGETS}),)
412IS_ANYTHING_TO_BUILD := 1
413endif
414
415define MAKE_C
416
417$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2))))
418$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ)))
419
420$(OBJ) : $(2)
421	@echo "  CC      $$<"
422	$$(Q)$$(CC) $$(CFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@
423
424
425$(PREREQUISITES) : $(2)
426	@echo "  DEPS    $$@"
427	@mkdir -p $(1)
428	$$(Q)$$(CC) $$(CFLAGS) -M -MT $(OBJ) -MF $$@ $$<
429
430ifdef IS_ANYTHING_TO_BUILD
431-include $(PREREQUISITES)
432endif
433
434endef
435
436
437define MAKE_S
438
439$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2))))
440$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ)))
441
442$(OBJ) : $(2)
443	@echo "  AS      $$<"
444	$$(Q)$$(AS) $$(ASFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@
445
446$(PREREQUISITES) : $(2)
447	@echo "  DEPS    $$@"
448	@mkdir -p $(1)
449	$$(Q)$$(AS) $$(ASFLAGS) -M -MT $(OBJ) -MF $$@ $$<
450
451ifdef IS_ANYTHING_TO_BUILD
452-include $(PREREQUISITES)
453endif
454
455endef
456
457
458define MAKE_LD
459
460$(eval PREREQUISITES := $(1).d)
461
462$(1) : $(2)
463	@echo "  PP      $$<"
464	$$(Q)$$(AS) $$(ASFLAGS) -P -E -D__LINKER__ -o $$@ $$<
465
466$(PREREQUISITES) : $(2)
467	@echo "  DEPS    $$@"
468	@mkdir -p $$(dir $$@)
469	$$(Q)$$(AS) $$(ASFLAGS) -M -MT $(1) -MF $$@ $$<
470
471ifdef IS_ANYTHING_TO_BUILD
472-include $(PREREQUISITES)
473endif
474
475endef
476
477
478define MAKE_OBJS
479	$(eval C_OBJS := $(filter %.c,$(2)))
480	$(eval REMAIN := $(filter-out %.c,$(2)))
481	$(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3))))
482
483	$(eval S_OBJS := $(filter %.S,$(REMAIN)))
484	$(eval REMAIN := $(filter-out %.S,$(REMAIN)))
485	$(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3))))
486
487	$(and $(REMAIN),$(error Unexpected source files present: $(REMAIN)))
488endef
489
490
491# NOTE: The line continuation '\' is required in the next define otherwise we
492# end up with a line-feed characer at the end of the last c filename.
493# Also bare this issue in mind if extending the list of supported filetypes.
494define SOURCES_TO_OBJS
495	$(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \
496	$(notdir $(patsubst %.S,%.o,$(filter %.S,$(1))))
497endef
498
499
500# MAKE_TOOL_ARGS macro defines the command line arguments for the FIP and CRT
501# tools at each BL stage. Arguments:
502#   $(1) = BL stage (2, 30, 31, 32, 33)
503#   $(2) = Binary file
504#   $(3) = In FIP (false if empty)
505#   $(4) = Create certificates (false if empty)
506#   $(5) = Create key certificate (false if empty)
507#   $(6) = Private key (optional)
508define MAKE_TOOL_ARGS
509
510$(eval FIP_DEPS += $(if $3,$(2),))
511$(eval FIP_ARGS += $(if $3,--bl$(1) $(2),))
512$(eval FIP_ARGS += $(if $4,--bl$(1)-cert $(BUILD_PLAT)/bl$(1).crt))
513$(eval FIP_ARGS += $(if $4,$(if $5,--bl$(1)-key-cert $(BUILD_PLAT)/bl$(1)_key.crt)))
514
515$(eval CRT_DEPS += $(if $4,$(2),))
516$(eval CRT_DEPS += $(if $4,$(if $6,$(6),)))
517$(eval CRT_ARGS += $(if $4,--bl$(1) $(2)))
518$(eval CRT_ARGS += $(if $4,$(if $6,--bl$(1)-key $(6))))
519$(eval CRT_ARGS += $(if $4,--bl$(1)-cert $(BUILD_PLAT)/bl$(1).crt))
520$(eval CRT_ARGS += $(if $4,$(if $5,--bl$(1)-key-cert $(BUILD_PLAT)/bl$(1)_key.crt)))
521
522endef
523
524
525# MAKE_BL macro defines the targets and options to build each BL image.
526# Arguments:
527#   $(1) = BL stage (2, 30, 31, 32, 33)
528#   $(2) = In FIP (false if empty)
529#   $(3) = Create certificates (false if empty)
530#   $(4) = Create key certificate (false if empty)
531#   $(5) = Private key (optional)
532define MAKE_BL
533	$(eval BUILD_DIR  := ${BUILD_PLAT}/bl$(1))
534	$(eval SOURCES    := $(BL$(1)_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES))
535	$(eval OBJS       := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES))))
536	$(eval LINKERFILE := $(BUILD_DIR)/bl$(1).ld)
537	$(eval MAPFILE    := $(BUILD_DIR)/bl$(1).map)
538	$(eval ELF        := $(BUILD_DIR)/bl$(1).elf)
539	$(eval DUMP       := $(BUILD_DIR)/bl$(1).dump)
540	$(eval BIN        := $(BUILD_PLAT)/bl$(1).bin)
541
542	$(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1)))
543	$(eval $(call MAKE_LD,$(LINKERFILE),$(BL$(1)_LINKERFILE)))
544
545$(BUILD_DIR) :
546	$$(Q)mkdir -p "$$@"
547
548$(ELF) : $(OBJS) $(LINKERFILE)
549	@echo "  LD      $$@"
550	@echo 'const char build_message[] = "Built : "__TIME__", "__DATE__; \
551	       const char version_string[] = "${VERSION_STRING}";' | \
552		$$(CC) $$(CFLAGS) -xc - -o $(BUILD_DIR)/build_message.o
553	$$(Q)$$(LD) -o $$@ $$(LDFLAGS) -Map=$(MAPFILE) --script $(LINKERFILE) \
554					$(BUILD_DIR)/build_message.o $(OBJS)
555
556$(DUMP) : $(ELF)
557	@echo "  OD      $$@"
558	$${Q}$${OD} -dx $$< > $$@
559
560$(BIN) : $(ELF)
561	@echo "  BIN     $$@"
562	$$(Q)$$(OC) -O binary $$< $$@
563	@echo
564	@echo "Built $$@ successfully"
565	@echo
566
567.PHONY : bl$(1)
568bl$(1) : $(BUILD_DIR) $(BIN) $(DUMP)
569
570all : bl$(1)
571
572$(eval $(call MAKE_TOOL_ARGS,$(1),$(BIN),$(2),$(3),$(4),$(5)))
573
574endef
575
576
577ifeq (${NEED_BL1},yes)
578$(eval $(call MAKE_BL,1))
579endif
580
581ifeq (${NEED_BL2},yes)
582$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},in_fip,${CERTS})),\
583	$(eval $(call MAKE_BL,2,in_fip,${CERTS})))
584endif
585
586ifeq (${NEED_BL31},yes)
587BL31_SOURCES += ${SPD_SOURCES}
588$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},in_fip,${CERTS},${CERTS},${BL31_KEY})),\
589	$(eval $(call MAKE_BL,31,in_fip,${CERTS},${CERTS},${BL31_KEY})))
590endif
591
592ifeq (${NEED_BL32},yes)
593$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},in_fip,${CERTS},${CERTS},${BL32_KEY})),\
594	$(eval $(call MAKE_BL,32,in_fip,${CERTS},${CERTS},${BL32_KEY})))
595endif
596
597ifeq (${NEED_BL30},yes)
598$(if ${BL30}, $(eval $(call MAKE_TOOL_ARGS,30,${BL30},in_fip,${CERTS},${CERTS},${BL30_KEY})))
599
600# If BL3-0 is needed by the platform then 'BL30' variable must be defined.
601check_bl30:
602	$(if ${BL30},,$(error "To build a FIP for platform ${PLAT}, please set BL30 to point to the SCP firmware"))
603else
604
605# If BL3-0 is not needed by the platform but the user still specified the path
606# to a BL3-0 image then warn him that it will be ignored.
607check_bl30:
608	$(if ${BL30},$(warning "BL3-0 is not supported on platform ${PLAT}, it will just be ignored"),)
609endif
610
611ifeq (${NEED_BL33},yes)
612$(if ${BL33}, $(eval $(call MAKE_TOOL_ARGS,33,${BL33},in_fip,${CERTS},${CERTS},${BL33_KEY})))
613
614# If BL3-3 is needed by the platform then 'BL33' variable must be defined.
615check_bl33:
616	$(if ${BL33},,$(error "To build a FIP, please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd"))
617else
618
619# If BL3-3 is not needed by the platform but the user still specified the path
620# to a BL3-3 image then warn him that it will be ignored.
621check_bl33:
622	$(if ${BL33},$(warning "BL3-3 is not supported on platform ${PLAT}, it will just be ignored"),)
623endif
624
625# Add the dependency on the certificates
626ifneq (${GENERATE_COT},0)
627    fip: certificates
628endif
629
630certificates: ${CRT_DEPS} ${CRTTOOL} check_bl30 check_bl33
631			${Q}${CRTTOOL} ${CRT_ARGS}
632			@echo
633			@echo "Built $@ successfully"
634			@echo "Certificates can be found in ${BUILD_PLAT}"
635			@echo
636
637${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} check_bl30 check_bl33
638			${Q}${FIPTOOL} --dump \
639				${FIP_ARGS} \
640				$@
641			@echo
642			@echo "Built $@ successfully"
643			@echo
644
645
646cscope:
647	@echo "  CSCOPE"
648	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
649	${Q}cscope -b -q -k
650
651help:
652	@echo "usage: ${MAKE} PLAT=<${PLATFORMS}> [OPTIONS] [TARGET]"
653	@echo ""
654	@echo "PLAT is used to specify which platform you wish to build."
655	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
656	@echo ""
657	@echo "Please refer to the User Guide for a list of all supported options."
658	@echo "Note that the build system doesn't track dependencies for build "
659	@echo "options. Therefore, if any of the build options are changed "
660	@echo "from a previous build, a clean build must be performed."
661	@echo ""
662	@echo "Supported Targets:"
663	@echo "  all            Build all individual bootloader binaries"
664	@echo "  bl1            Build the BL1 binary"
665	@echo "  bl2            Build the BL2 binary"
666	@echo "  bl31           Build the BL3-1 binary"
667	@echo "  bl32           Build the BL3-2 binary"
668	@echo "  fip            Build the Firmware Image Package (FIP)"
669	@echo "  checkcodebase  Check the coding style of the entire source tree"
670	@echo "  checkpatch     Check the coding style on changes in the current"
671	@echo "                 branch against BASE_COMMIT (default origin/master)"
672	@echo "  clean          Clean the build for the selected platform"
673	@echo "  cscope         Generate cscope index"
674	@echo "  distclean      Remove all build artifacts for all platforms"
675	@echo "  certtool       Build the Certificate generation tool"
676	@echo "  fiptool        Build the Firmware Image Package(FIP) creation tool"
677	@echo ""
678	@echo "Note: most build targets require PLAT to be set to a specific platform."
679	@echo ""
680	@echo "example: build all targets for the FVP platform:"
681	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
682