xref: /rk3399_ARM-atf/Makefile (revision 674878464a93bb6d6bf6cb746fc4b9dba6e101ac)
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# Flag used to choose the power state format viz Extended State-ID or the Original
70# format.
71PSCI_EXTENDED_STATE_ID	:=	0
72# Default FIP file name
73FIP_NAME		:= fip.bin
74# By default, use the -pedantic option in the gcc command line
75DISABLE_PEDANTIC	:= 0
76# Flags to generate the Chain of Trust
77GENERATE_COT		:= 0
78CREATE_KEYS		:= 1
79SAVE_KEYS		:= 0
80# Flags to build TF with Trusted Boot support
81TRUSTED_BOARD_BOOT	:= 0
82# By default, consider that the platform's reset address is not programmable.
83# The platform Makefile is free to override this value.
84PROGRAMMABLE_RESET_ADDRESS	:= 0
85
86# Checkpatch ignores
87CHECK_IGNORE		=	--ignore COMPLEX_MACRO \
88				--ignore GERRIT_CHANGE_ID \
89				--ignore GIT_COMMIT_ID
90
91CHECKPATCH_ARGS		=	--no-tree --no-signoff ${CHECK_IGNORE}
92CHECKCODE_ARGS		=	--no-patch --no-tree --no-signoff ${CHECK_IGNORE}
93# Do not check the coding style on C library files
94CHECK_PATHS		=	$(shell ls -I include -I lib) \
95				$(addprefix include/,$(shell ls -I stdlib include)) \
96				$(addprefix lib/,$(shell ls -I stdlib lib))
97
98ifeq (${V},0)
99	Q=@
100	CHECKCODE_ARGS	+=	--no-summary --terse
101else
102	Q=
103endif
104export Q
105
106ifneq (${DEBUG}, 0)
107	BUILD_TYPE	:=	debug
108	# Use LOG_LEVEL_INFO by default for debug builds
109	LOG_LEVEL	:=	40
110else
111	BUILD_TYPE	:=	release
112	# Use LOG_LEVEL_NOTICE by default for release builds
113	LOG_LEVEL	:=	20
114endif
115
116# Default build string (git branch and commit)
117ifeq (${BUILD_STRING},)
118	BUILD_STRING	:=	$(shell git log -n 1 --pretty=format:"%h")
119endif
120
121VERSION_STRING		:=	v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING}
122
123BL_COMMON_SOURCES	:=	common/bl_common.c			\
124				common/tf_printf.c			\
125				common/aarch64/debug.S			\
126				lib/aarch64/cache_helpers.S		\
127				lib/aarch64/misc_helpers.S		\
128				lib/aarch64/xlat_helpers.c		\
129				lib/stdlib/std.c			\
130				plat/common/aarch64/platform_helpers.S
131
132BUILD_BASE		:=	./build
133BUILD_PLAT		:=	${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
134
135PLAT_MAKEFILE		:=	platform.mk
136# Generate the platforms list by recursively searching for all directories
137# under /plat containing a PLAT_MAKEFILE. Append each platform with a `|`
138# char and strip out the final '|'.
139PLATFORMS		:=	$(shell find plat/ -name '${PLAT_MAKEFILE}' -print0 |			\
140					sed -r 's%[^\x00]*\/([^/]*)\/${PLAT_MAKEFILE}\x00%\1|%g' |	\
141					sed -r 's/\|$$//')
142SPDS			:=	$(shell ls -I none services/spd)
143
144# Convenience function for adding build definitions
145# $(eval $(call add_define,FOO)) will have:
146# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise
147define add_define
148DEFINES			+=	-D$(1)$(if $(value $(1)),=$(value $(1)),)
149endef
150
151# Convenience function for verifying option has a boolean value
152# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1
153define assert_boolean
154$(and $(patsubst 0,,$(value $(1))),$(patsubst 1,,$(value $(1))),$(error $(1) must be boolean))
155endef
156
157ifeq (${PLAT},)
158  $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform")
159endif
160PLAT_MAKEFILE_FULL	:=	$(shell find plat/ -wholename '*/${PLAT}/${PLAT_MAKEFILE}')
161ifeq ($(PLAT_MAKEFILE_FULL),)
162  $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}")
163endif
164
165all: msg_start
166
167msg_start:
168	@echo "Building ${PLAT}"
169
170include ${PLAT_MAKEFILE_FULL}
171
172# If the platform has not defined ENABLE_PLAT_COMPAT, then enable it by default
173ifndef ENABLE_PLAT_COMPAT
174ENABLE_PLAT_COMPAT := 1
175endif
176
177# Include the platform compatibility helpers for PSCI
178ifneq (${ENABLE_PLAT_COMPAT}, 0)
179include plat/compat/plat_compat.mk
180endif
181
182# Include the CPU specific operations makefile. By default all CPU errata
183# workarounds and CPU specifc optimisations are disabled. This can be
184# overridden by the platform.
185include lib/cpus/cpu-ops.mk
186
187ifdef BL1_SOURCES
188NEED_BL1 := yes
189include bl1/bl1.mk
190endif
191
192ifdef BL2_SOURCES
193NEED_BL2 := yes
194include bl2/bl2.mk
195# Using the ARM Trusted Firmware BL2 implies that a BL3-3 image also need to be supplied for the FIP.
196# This flag can be overridden by the platform.
197NEED_BL33 ?= yes
198endif
199
200ifdef BL31_SOURCES
201NEED_BL31 := yes
202include bl31/bl31.mk
203endif
204
205# Include SPD Makefile if one has been specified
206ifneq (${SPD},none)
207  # We expect to locate an spd.mk under the specified SPD directory
208  SPD_MAKE		:=	$(shell m="services/spd/${SPD}/${SPD}.mk"; [ -f "$$m" ] && echo "$$m")
209
210  ifeq (${SPD_MAKE},)
211    $(error Error: No services/spd/${SPD}/${SPD}.mk located)
212  endif
213  $(info Including ${SPD_MAKE})
214  include ${SPD_MAKE}
215
216  # If there's BL3-2 companion for the chosen SPD, and the SPD wants to build the
217  # BL3-2 from source, we expect that the SPD's Makefile would set NEED_BL32
218  # variable to "yes". In case the BL3-2 is a binary which needs to be included in
219  # fip, then the NEED_BL32 needs to be set and BL3-2 would need to point to the bin.
220endif
221
222.PHONY:			all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip certtool
223.SUFFIXES:
224
225INCLUDES		+=	-Iinclude/bl31			\
226				-Iinclude/bl31/services		\
227				-Iinclude/common		\
228				-Iinclude/drivers		\
229				-Iinclude/drivers/arm		\
230				-Iinclude/drivers/auth		\
231				-Iinclude/drivers/io		\
232				-Iinclude/drivers/ti/uart	\
233				-Iinclude/lib			\
234				-Iinclude/lib/aarch64		\
235				-Iinclude/lib/cpus/aarch64	\
236				-Iinclude/plat/common		\
237				-Iinclude/stdlib		\
238				-Iinclude/stdlib/sys		\
239				${PLAT_INCLUDES}		\
240				${SPD_INCLUDES}
241
242# Process DEBUG flag
243$(eval $(call assert_boolean,DEBUG))
244$(eval $(call add_define,DEBUG))
245ifeq (${DEBUG},0)
246  $(eval $(call add_define,NDEBUG))
247else
248CFLAGS			+= 	-g
249ASFLAGS			+= 	-g -Wa,--gdwarf-2
250endif
251
252# Process PLAT flag
253$(eval $(call add_define,PLAT_${PLAT}))
254
255# Process NS_TIMER_SWITCH flag
256$(eval $(call assert_boolean,NS_TIMER_SWITCH))
257$(eval $(call add_define,NS_TIMER_SWITCH))
258
259# Process RESET_TO_BL31 flag
260$(eval $(call assert_boolean,RESET_TO_BL31))
261$(eval $(call add_define,RESET_TO_BL31))
262
263# Process CTX_INCLUDE_FPREGS flag
264$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
265$(eval $(call add_define,CTX_INCLUDE_FPREGS))
266
267# Process ARM_GIC_ARCH flag
268$(eval $(call add_define,ARM_GIC_ARCH))
269
270# Process ARM_CCI_PRODUCT_ID flag
271$(eval $(call add_define,ARM_CCI_PRODUCT_ID))
272
273# Process ASM_ASSERTION flag
274$(eval $(call assert_boolean,ASM_ASSERTION))
275$(eval $(call add_define,ASM_ASSERTION))
276
277# Process LOG_LEVEL flag
278$(eval $(call add_define,LOG_LEVEL))
279
280# Process USE_COHERENT_MEM flag
281$(eval $(call assert_boolean,USE_COHERENT_MEM))
282$(eval $(call add_define,USE_COHERENT_MEM))
283
284# Process PSCI_EXTENDED_STATE_ID flag
285$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
286$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
287
288# Process Generate CoT flags
289$(eval $(call assert_boolean,GENERATE_COT))
290$(eval $(call assert_boolean,CREATE_KEYS))
291$(eval $(call assert_boolean,SAVE_KEYS))
292
293# Process TRUSTED_BOARD_BOOT flag
294$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
295$(eval $(call add_define,TRUSTED_BOARD_BOOT))
296
297# Process PROGRAMMABLE_RESET_ADDRESS flag
298$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
299$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
300
301# Process ENABLE_PLAT_COMPAT flag
302$(eval $(call assert_boolean,ENABLE_PLAT_COMPAT))
303$(eval $(call add_define,ENABLE_PLAT_COMPAT))
304
305ASFLAGS			+= 	-nostdinc -ffreestanding -Wa,--fatal-warnings	\
306				-Werror -Wmissing-include-dirs			\
307				-mgeneral-regs-only -D__ASSEMBLY__		\
308				${DEFINES} ${INCLUDES}
309CFLAGS			+= 	-nostdinc -ffreestanding -Wall			\
310				-Werror -Wmissing-include-dirs			\
311				-mgeneral-regs-only -std=c99 -c -Os		\
312				${DEFINES} ${INCLUDES}
313CFLAGS			+=	-ffunction-sections -fdata-sections
314
315LDFLAGS			+=	--fatal-warnings -O1
316LDFLAGS			+=	--gc-sections
317
318
319CC			:=	${CROSS_COMPILE}gcc
320CPP			:=	${CROSS_COMPILE}cpp
321AS			:=	${CROSS_COMPILE}gcc
322AR			:=	${CROSS_COMPILE}ar
323LD			:=	${CROSS_COMPILE}ld
324OC			:=	${CROSS_COMPILE}objcopy
325OD			:=	${CROSS_COMPILE}objdump
326NM			:=	${CROSS_COMPILE}nm
327PP			:=	${CROSS_COMPILE}gcc -E ${CFLAGS}
328
329# Variables for use with Firmware Image Package
330FIPTOOLPATH		?=	tools/fip_create
331FIPTOOL			?=	${FIPTOOLPATH}/fip_create
332fiptool:		${FIPTOOL}
333fip:			${BUILD_PLAT}/${FIP_NAME}
334
335# Variables for use with Certificate Generation Tool
336CRTTOOLPATH		?=	tools/cert_create
337CRTTOOL			?=	${CRTTOOLPATH}/cert_create
338certtool:		${CRTTOOL}
339
340# CoT generation tool default parameters
341TRUSTED_KEY_CERT	:=	${BUILD_PLAT}/trusted_key.crt
342
343# Pass the private keys to the CoT generation tool in the command line
344# If CREATE_KEYS is set, the '-n' option will be added, indicating the tool to create new keys
345ifneq (${GENERATE_COT},0)
346    $(eval CERTS := yes)
347
348    $(eval FIP_DEPS += certificates)
349    $(eval FIP_ARGS += --trusted-key-cert ${TRUSTED_KEY_CERT})
350
351    ifneq (${CREATE_KEYS},0)
352        $(eval CRT_ARGS += -n)
353        ifneq (${SAVE_KEYS},0)
354            $(eval CRT_ARGS += -k)
355        endif
356    endif
357    $(eval CRT_ARGS += $(if ${ROT_KEY}, --rot-key ${ROT_KEY}))
358    $(eval CRT_ARGS += $(if ${TRUSTED_WORLD_KEY}, --trusted-world-key ${TRUSTED_WORLD_KEY}))
359    $(eval CRT_ARGS += $(if ${NON_TRUSTED_WORLD_KEY}, --non-trusted-world-key ${NON_TRUSTED_WORLD_KEY}))
360    $(eval CRT_ARGS += --trusted-key-cert ${TRUSTED_KEY_CERT})
361    $(eval CRT_ARGS += $(if ${KEY_ALG}, --key-alg ${KEY_ALG}))
362endif
363
364# Check if -pedantic option should be used
365ifeq (${DISABLE_PEDANTIC},0)
366    CFLAGS		+= 	-pedantic
367endif
368
369locate-checkpatch:
370ifndef CHECKPATCH
371	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl")
372else
373ifeq (,$(wildcard ${CHECKPATCH}))
374	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl")
375endif
376endif
377
378clean:
379			@echo "  CLEAN"
380			${Q}rm -rf ${BUILD_PLAT}
381			${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
382			${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
383
384realclean distclean:
385			@echo "  REALCLEAN"
386			${Q}rm -rf ${BUILD_BASE}
387			${Q}rm -f ${CURDIR}/cscope.*
388			${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
389			${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
390
391checkcodebase:		locate-checkpatch
392			@echo "  CHECKING STYLE"
393			@if test -d .git ; then	\
394				git ls-files | grep -v stdlib | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ;	\
395			 else			\
396				 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -not -iwholename "*stdlib*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
397			 fi
398
399checkpatch:		locate-checkpatch
400			@echo "  CHECKING STYLE"
401			${Q}git log -p ${BASE_COMMIT}..HEAD -- ${CHECK_PATHS} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true
402
403.PHONY: ${CRTTOOL}
404${CRTTOOL}:
405			${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH}
406			@echo
407			@echo "Built $@ successfully"
408			@echo
409
410.PHONY: ${FIPTOOL}
411${FIPTOOL}:
412			${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH}
413
414define match_goals
415$(strip $(foreach goal,$(1),$(filter $(goal),$(MAKECMDGOALS))))
416endef
417
418# List of rules that involve building things
419BUILD_TARGETS := all bl1 bl2 bl31 bl32 fip
420
421# Does the list of goals specified on the command line include a build target?
422ifneq ($(call match_goals,${BUILD_TARGETS}),)
423IS_ANYTHING_TO_BUILD := 1
424endif
425
426define MAKE_C
427
428$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2))))
429$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ)))
430
431$(OBJ) : $(2)
432	@echo "  CC      $$<"
433	$$(Q)$$(CC) $$(CFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@
434
435
436$(PREREQUISITES) : $(2)
437	@echo "  DEPS    $$@"
438	@mkdir -p $(1)
439	$$(Q)$$(CC) $$(CFLAGS) -M -MT $(OBJ) -MF $$@ $$<
440
441ifdef IS_ANYTHING_TO_BUILD
442-include $(PREREQUISITES)
443endif
444
445endef
446
447
448define MAKE_S
449
450$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2))))
451$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ)))
452
453$(OBJ) : $(2)
454	@echo "  AS      $$<"
455	$$(Q)$$(AS) $$(ASFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@
456
457$(PREREQUISITES) : $(2)
458	@echo "  DEPS    $$@"
459	@mkdir -p $(1)
460	$$(Q)$$(AS) $$(ASFLAGS) -M -MT $(OBJ) -MF $$@ $$<
461
462ifdef IS_ANYTHING_TO_BUILD
463-include $(PREREQUISITES)
464endif
465
466endef
467
468
469define MAKE_LD
470
471$(eval PREREQUISITES := $(1).d)
472
473$(1) : $(2)
474	@echo "  PP      $$<"
475	$$(Q)$$(AS) $$(ASFLAGS) -P -E -D__LINKER__ -o $$@ $$<
476
477$(PREREQUISITES) : $(2)
478	@echo "  DEPS    $$@"
479	@mkdir -p $$(dir $$@)
480	$$(Q)$$(AS) $$(ASFLAGS) -M -MT $(1) -MF $$@ $$<
481
482ifdef IS_ANYTHING_TO_BUILD
483-include $(PREREQUISITES)
484endif
485
486endef
487
488
489define MAKE_OBJS
490	$(eval C_OBJS := $(filter %.c,$(2)))
491	$(eval REMAIN := $(filter-out %.c,$(2)))
492	$(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3))))
493
494	$(eval S_OBJS := $(filter %.S,$(REMAIN)))
495	$(eval REMAIN := $(filter-out %.S,$(REMAIN)))
496	$(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3))))
497
498	$(and $(REMAIN),$(error Unexpected source files present: $(REMAIN)))
499endef
500
501
502# NOTE: The line continuation '\' is required in the next define otherwise we
503# end up with a line-feed characer at the end of the last c filename.
504# Also bare this issue in mind if extending the list of supported filetypes.
505define SOURCES_TO_OBJS
506	$(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \
507	$(notdir $(patsubst %.S,%.o,$(filter %.S,$(1))))
508endef
509
510
511# MAKE_TOOL_ARGS macro defines the command line arguments for the FIP and CRT
512# tools at each BL stage. Arguments:
513#   $(1) = BL stage (2, 30, 31, 32, 33)
514#   $(2) = Binary file
515#   $(3) = In FIP (false if empty)
516#   $(4) = Create certificates (false if empty)
517#   $(5) = Create key certificate (false if empty)
518#   $(6) = Private key (optional)
519define MAKE_TOOL_ARGS
520
521$(eval FIP_DEPS += $(if $3,$(2),))
522$(eval FIP_ARGS += $(if $3,--bl$(1) $(2),))
523$(eval FIP_ARGS += $(if $4,--bl$(1)-cert $(BUILD_PLAT)/bl$(1).crt))
524$(eval FIP_ARGS += $(if $4,$(if $5,--bl$(1)-key-cert $(BUILD_PLAT)/bl$(1)_key.crt)))
525
526$(eval CRT_DEPS += $(if $4,$(2),))
527$(eval CRT_ARGS += $(if $4,--bl$(1) $(2)))
528$(eval CRT_ARGS += $(if $4,$(if $6,--bl$(1)-key $(6))))
529$(eval CRT_ARGS += $(if $4,--bl$(1)-cert $(BUILD_PLAT)/bl$(1).crt))
530$(eval CRT_ARGS += $(if $4,$(if $5,--bl$(1)-key-cert $(BUILD_PLAT)/bl$(1)_key.crt)))
531
532endef
533
534
535# MAKE_BL macro defines the targets and options to build each BL image.
536# Arguments:
537#   $(1) = BL stage (2, 30, 31, 32, 33)
538#   $(2) = In FIP (false if empty)
539#   $(3) = Create certificates (false if empty)
540#   $(4) = Create key certificate (false if empty)
541#   $(5) = Private key (optional)
542define MAKE_BL
543	$(eval BUILD_DIR  := ${BUILD_PLAT}/bl$(1))
544	$(eval SOURCES    := $(BL$(1)_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES))
545	$(eval OBJS       := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES))))
546	$(eval LINKERFILE := $(BUILD_DIR)/bl$(1).ld)
547	$(eval MAPFILE    := $(BUILD_DIR)/bl$(1).map)
548	$(eval ELF        := $(BUILD_DIR)/bl$(1).elf)
549	$(eval DUMP       := $(BUILD_DIR)/bl$(1).dump)
550	$(eval BIN        := $(BUILD_PLAT)/bl$(1).bin)
551
552	$(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1)))
553	$(eval $(call MAKE_LD,$(LINKERFILE),$(BL$(1)_LINKERFILE)))
554
555$(BUILD_DIR) :
556	$$(Q)mkdir -p "$$@"
557
558$(ELF) : $(OBJS) $(LINKERFILE)
559	@echo "  LD      $$@"
560	@echo 'const char build_message[] = "Built : "__TIME__", "__DATE__; \
561	       const char version_string[] = "${VERSION_STRING}";' | \
562		$$(CC) $$(CFLAGS) -xc - -o $(BUILD_DIR)/build_message.o
563	$$(Q)$$(LD) -o $$@ $$(LDFLAGS) -Map=$(MAPFILE) --script $(LINKERFILE) \
564					$(BUILD_DIR)/build_message.o $(OBJS)
565
566$(DUMP) : $(ELF)
567	@echo "  OD      $$@"
568	$${Q}$${OD} -dx $$< > $$@
569
570$(BIN) : $(ELF)
571	@echo "  BIN     $$@"
572	$$(Q)$$(OC) -O binary $$< $$@
573	@echo
574	@echo "Built $$@ successfully"
575	@echo
576
577.PHONY : bl$(1)
578bl$(1) : $(BUILD_DIR) $(BIN) $(DUMP)
579
580all : bl$(1)
581
582$(eval $(call MAKE_TOOL_ARGS,$(1),$(BIN),$(2),$(3),$(4),$(5)))
583
584endef
585
586
587ifeq (${NEED_BL1},yes)
588$(eval $(call MAKE_BL,1))
589endif
590
591ifeq (${NEED_BL2},yes)
592$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},in_fip,${CERTS})),\
593	$(eval $(call MAKE_BL,2,in_fip,${CERTS})))
594endif
595
596ifeq (${NEED_BL31},yes)
597BL31_SOURCES += ${SPD_SOURCES}
598$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},in_fip,${CERTS},${CERTS},${BL31_KEY})),\
599	$(eval $(call MAKE_BL,31,in_fip,${CERTS},${CERTS},${BL31_KEY})))
600endif
601
602ifeq (${NEED_BL32},yes)
603$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},in_fip,${CERTS},${CERTS},${BL32_KEY})),\
604	$(eval $(call MAKE_BL,32,in_fip,${CERTS},${CERTS},${BL32_KEY})))
605endif
606
607ifeq (${NEED_BL30},yes)
608$(if ${BL30}, $(eval $(call MAKE_TOOL_ARGS,30,${BL30},in_fip,${CERTS},${CERTS},${BL30_KEY})))
609
610# If BL3-0 is needed by the platform then 'BL30' variable must be defined.
611check_bl30:
612	$(if ${BL30},,$(error "To build a FIP for platform ${PLAT}, please set BL30 to point to the SCP firmware"))
613else
614
615# If BL3-0 is not needed by the platform but the user still specified the path
616# to a BL3-0 image then warn him that it will be ignored.
617check_bl30:
618	$(if ${BL30},$(warning "BL3-0 is not supported on platform ${PLAT}, it will just be ignored"),)
619endif
620
621ifeq (${NEED_BL33},yes)
622$(if ${BL33}, $(eval $(call MAKE_TOOL_ARGS,33,${BL33},in_fip,${CERTS},${CERTS},${BL33_KEY})))
623
624# If BL3-3 is needed by the platform then 'BL33' variable must be defined.
625check_bl33:
626	$(if ${BL33},,$(error "To build a FIP, please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd"))
627else
628
629# If BL3-3 is not needed by the platform but the user still specified the path
630# to a BL3-3 image then warn him that it will be ignored.
631check_bl33:
632	$(if ${BL33},$(warning "BL3-3 is not supported on platform ${PLAT}, it will just be ignored"),)
633endif
634
635# Add the dependency on the certificates
636ifneq (${GENERATE_COT},0)
637    fip: certificates
638endif
639
640certificates: ${CRT_DEPS} ${CRTTOOL} check_bl30 check_bl33
641			${Q}${CRTTOOL} ${CRT_ARGS}
642			@echo
643			@echo "Built $@ successfully"
644			@echo "Certificates can be found in ${BUILD_PLAT}"
645			@echo
646
647${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} check_bl30 check_bl33
648			${Q}${FIPTOOL} --dump \
649				${FIP_ARGS} \
650				$@
651			@echo
652			@echo "Built $@ successfully"
653			@echo
654
655
656cscope:
657	@echo "  CSCOPE"
658	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
659	${Q}cscope -b -q -k
660
661help:
662	@echo "usage: ${MAKE} PLAT=<${PLATFORMS}> [OPTIONS] [TARGET]"
663	@echo ""
664	@echo "PLAT is used to specify which platform you wish to build."
665	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
666	@echo ""
667	@echo "Please refer to the User Guide for a list of all supported options."
668	@echo "Note that the build system doesn't track dependencies for build "
669	@echo "options. Therefore, if any of the build options are changed "
670	@echo "from a previous build, a clean build must be performed."
671	@echo ""
672	@echo "Supported Targets:"
673	@echo "  all            Build all individual bootloader binaries"
674	@echo "  bl1            Build the BL1 binary"
675	@echo "  bl2            Build the BL2 binary"
676	@echo "  bl31           Build the BL3-1 binary"
677	@echo "  bl32           Build the BL3-2 binary"
678	@echo "  fip            Build the Firmware Image Package (FIP)"
679	@echo "  checkcodebase  Check the coding style of the entire source tree"
680	@echo "  checkpatch     Check the coding style on changes in the current"
681	@echo "                 branch against BASE_COMMIT (default origin/master)"
682	@echo "  clean          Clean the build for the selected platform"
683	@echo "  cscope         Generate cscope index"
684	@echo "  distclean      Remove all build artifacts for all platforms"
685	@echo "  certtool       Build the Certificate generation tool"
686	@echo "  fiptool        Build the Firmware Image Package(FIP) creation tool"
687	@echo ""
688	@echo "Note: most build targets require PLAT to be set to a specific platform."
689	@echo ""
690	@echo "example: build all targets for the FVP platform:"
691	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
692