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Achin Gupta4f6ad662013-10-25 09:08:21 +01001#
Dan Handleye83b0ca2014-01-14 18:17:09 +00002# Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
Achin Gupta4f6ad662013-10-25 09:08:21 +01003#
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
Jeenu Viswambharan19a0ace2014-05-15 14:40:58 +010031#
Juan Castillo04be3a52014-06-30 11:41:46 +010032# Trusted Firmware Version
33#
Dan Handley98b6b5d2014-08-26 19:18:55 +010034VERSION_MAJOR := 1
35VERSION_MINOR := 0
Juan Castillo04be3a52014-06-30 11:41:46 +010036
37#
Jeenu Viswambharan19a0ace2014-05-15 14:40:58 +010038# 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
Jeenu Viswambharand1b60152014-05-12 15:28:47 +010054# NS timer register save and restore
55NS_TIMER_SWITCH := 0
Vikram Kanigiri96377452014-04-24 11:02:16 +010056# By default, Bl1 acts as the reset handler, not BL31
57RESET_TO_BL31 := 0
Juan Castillo258e94f2014-06-25 17:26:36 +010058# Include FP registers in cpu context
59CTX_INCLUDE_FPREGS := 0
Sandrine Bailleux5fe57c12014-07-17 17:23:14 +010060# 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
Soby Mathew041f62a2014-07-14 16:58:03 +010063# 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}
Achin Gupta4f6ad662013-10-25 09:08:21 +010066
Achin Gupta7421b462014-02-01 18:53:26 +000067# Checkpatch ignores
68CHECK_IGNORE = --ignore COMPLEX_MACRO
69
70CHECKPATCH_ARGS = --no-tree --no-signoff ${CHECK_IGNORE}
71CHECKCODE_ARGS = --no-patch --no-tree --no-signoff ${CHECK_IGNORE}
Ian Spray36eaaf32014-01-30 17:25:28 +000072
Jeenu Viswambharan19a0ace2014-05-15 14:40:58 +010073ifeq (${V},0)
Achin Gupta4f6ad662013-10-25 09:08:21 +010074 Q=@
Ian Spray36eaaf32014-01-30 17:25:28 +000075 CHECKCODE_ARGS += --no-summary --terse
Achin Gupta4f6ad662013-10-25 09:08:21 +010076else
77 Q=
78endif
Jeenu Viswambharan2f2cef42014-02-19 09:38:18 +000079export Q
80
James Morrisseyeaaeece2013-11-01 13:56:59 +000081ifneq (${DEBUG}, 0)
82 BUILD_TYPE := debug
Dan Handleycba2c502014-08-08 14:36:42 +010083 # Use LOG_LEVEL_INFO by default for debug builds
84 LOG_LEVEL := 40
James Morrisseyeaaeece2013-11-01 13:56:59 +000085else
86 BUILD_TYPE := release
Dan Handleycba2c502014-08-08 14:36:42 +010087 # Use LOG_LEVEL_NOTICE by default for release builds
88 LOG_LEVEL := 20
James Morrisseyeaaeece2013-11-01 13:56:59 +000089endif
90
Juan Castillo04be3a52014-06-30 11:41:46 +010091# Default build string (git branch and commit)
92ifeq (${BUILD_STRING},)
93 BUILD_STRING := $(shell git log -n 1 --pretty=format:"%h")
94endif
95
96VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING}
97
Dan Handley176e7b42014-04-15 18:20:09 +010098BL_COMMON_SOURCES := common/bl_common.c \
Soby Mathewafe7e2f2014-06-12 17:23:58 +010099 common/tf_printf.c \
Soby Mathewc1adbbc2014-06-25 10:07:40 +0100100 common/aarch64/debug.S \
Dan Handley176e7b42014-04-15 18:20:09 +0100101 lib/aarch64/cache_helpers.S \
102 lib/aarch64/misc_helpers.S \
Dan Handley176e7b42014-04-15 18:20:09 +0100103 lib/aarch64/xlat_helpers.c \
104 lib/stdlib/std.c \
Dan Handley176e7b42014-04-15 18:20:09 +0100105 plat/common/aarch64/platform_helpers.S
Ryan Harkind7a6b0f2014-01-13 14:40:13 +0000106
Ryan Harkin25cff832014-01-13 12:37:03 +0000107BUILD_BASE := ./build
108BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
Achin Gupta4f6ad662013-10-25 09:08:21 +0100109
Ryan Harkin25cff832014-01-13 12:37:03 +0000110PLATFORMS := $(shell ls -I common plat/)
Achin Gupta375f5382014-02-18 18:12:48 +0000111SPDS := $(shell ls -I none services/spd)
Ryan Harkin72ee3312014-01-15 16:55:07 +0000112HELP_PLATFORMS := $(shell echo ${PLATFORMS} | sed 's/ /|/g')
113
Jeenu Viswambharane5c39fd2014-05-16 11:38:10 +0100114# Convenience function for adding build definitions
115# $(eval $(call add_define,FOO)) will have:
116# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise
117define add_define
118DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),)
119endef
120
121# Convenience function for verifying option has a boolean value
122# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1
123define assert_boolean
124$(and $(patsubst 0,,$(value $(1))),$(patsubst 1,,$(value $(1))),$(error $(1) must be boolean))
125endef
126
Ryan Harkin25cff832014-01-13 12:37:03 +0000127ifeq (${PLAT},)
128 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform.")
129endif
Jon Medhurst66573cb2014-02-13 15:19:28 +0000130ifeq ($(findstring ${PLAT},${PLATFORMS}),)
Ryan Harkin25cff832014-01-13 12:37:03 +0000131 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}")
132endif
133
Jon Medhurst66573cb2014-02-13 15:19:28 +0000134all: msg_start
Achin Gupta4f6ad662013-10-25 09:08:21 +0100135
Ryan Harkin25cff832014-01-13 12:37:03 +0000136msg_start:
137 @echo "Building ${PLAT}"
Achin Gupta4f6ad662013-10-25 09:08:21 +0100138
Jon Medhurst66573cb2014-02-13 15:19:28 +0000139include plat/${PLAT}/platform.mk
140
Soby Mathew802f8652014-08-14 16:19:29 +0100141# By default all CPU errata workarounds are disabled. This can be
142# overridden by the platform.
143include lib/cpus/cpu-errata.mk
144
Jon Medhurst66573cb2014-02-13 15:19:28 +0000145ifdef BL1_SOURCES
146NEED_BL1 := yes
147include bl1/bl1.mk
148endif
149
150ifdef BL2_SOURCES
151NEED_BL2 := yes
152include bl2/bl2.mk
Soby Mathewdbee7fc2014-09-08 17:51:01 +0100153# Using the ARM Trusted Firmware BL2 implies that a BL3-3 image also need to be supplied for the FIP.
154# This flag can be overridden by the platform.
155NEED_BL33 ?= yes
Jon Medhurst66573cb2014-02-13 15:19:28 +0000156endif
Achin Gupta4f6ad662013-10-25 09:08:21 +0100157
Jon Medhurst66573cb2014-02-13 15:19:28 +0000158ifdef BL31_SOURCES
159NEED_BL31 := yes
160include bl31/bl31.mk
Ryan Harkin25cff832014-01-13 12:37:03 +0000161endif
Achin Gupta4f6ad662013-10-25 09:08:21 +0100162
Achin Gupta375f5382014-02-18 18:12:48 +0000163# Include SPD Makefile if one has been specified
164ifneq (${SPD},none)
165 # We expect to locate an spd.mk under the specified SPD directory
166 SPD_MAKE := $(shell m="services/spd/${SPD}/${SPD}.mk"; [ -f "$$m" ] && echo "$$m")
167
168 ifeq (${SPD_MAKE},)
169 $(error Error: No services/spd/${SPD}/${SPD}.mk located)
170 endif
171 $(info Including ${SPD_MAKE})
172 include ${SPD_MAKE}
173
Soby Mathewdbee7fc2014-09-08 17:51:01 +0100174 # If there's BL3-2 companion for the chosen SPD, and the SPD wants to build the
175 # BL3-2 from source, we expect that the SPD's Makefile would set NEED_BL32
176 # variable to "yes". In case the BL3-2 is a binary which needs to be included in
177 # fip, then the NEED_BL32 needs to be set and BL3-2 would need to point to the bin.
Achin Gupta375f5382014-02-18 18:12:48 +0000178endif
179
Sandrine Bailleuxa08588a2014-03-21 13:16:35 +0000180.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip
James Morrisseyeaaeece2013-11-01 13:56:59 +0000181.SUFFIXES:
182
Sandrine Bailleux47e74a82014-06-23 13:37:53 +0100183INCLUDES += -Iinclude/bl31 \
Dan Handleya70615f2014-04-09 12:48:25 +0100184 -Iinclude/bl31/services \
Dan Handleya70615f2014-04-09 12:48:25 +0100185 -Iinclude/common \
186 -Iinclude/drivers \
187 -Iinclude/drivers/arm \
Dan Handley7b83c442014-08-12 14:20:28 +0100188 -Iinclude/drivers/io \
Dan Handleya70615f2014-04-09 12:48:25 +0100189 -Iinclude/lib \
190 -Iinclude/lib/aarch64 \
Soby Mathew8e2f2872014-08-14 12:49:05 +0100191 -Iinclude/lib/cpus/aarch64 \
Dan Handleyed6ff952014-05-14 17:44:19 +0100192 -Iinclude/plat/common \
Ryan Harkind7a6b0f2014-01-13 14:40:13 +0000193 -Iinclude/stdlib \
194 -Iinclude/stdlib/sys \
Achin Gupta375f5382014-02-18 18:12:48 +0000195 ${PLAT_INCLUDES} \
196 ${SPD_INCLUDES}
Achin Gupta4f6ad662013-10-25 09:08:21 +0100197
Jeenu Viswambharan19a0ace2014-05-15 14:40:58 +0100198# Process DEBUG flag
199$(eval $(call assert_boolean,DEBUG))
200$(eval $(call add_define,DEBUG))
201ifeq (${DEBUG},0)
202 $(eval $(call add_define,NDEBUG))
203else
204CFLAGS += -g
205ASFLAGS += -g -Wa,--gdwarf-2
206endif
207
Jeenu Viswambharand1b60152014-05-12 15:28:47 +0100208# Process NS_TIMER_SWITCH flag
209$(eval $(call assert_boolean,NS_TIMER_SWITCH))
210$(eval $(call add_define,NS_TIMER_SWITCH))
211
Vikram Kanigiri96377452014-04-24 11:02:16 +0100212# Process RESET_TO_BL31 flag
213$(eval $(call assert_boolean,RESET_TO_BL31))
214$(eval $(call add_define,RESET_TO_BL31))
215
Juan Castillo258e94f2014-06-25 17:26:36 +0100216# Process CTX_INCLUDE_FPREGS flag
217$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
218$(eval $(call add_define,CTX_INCLUDE_FPREGS))
219
Sandrine Bailleux5fe57c12014-07-17 17:23:14 +0100220# Process ARM_GIC_ARCH flag
221$(eval $(call add_define,ARM_GIC_ARCH))
222
Soby Mathew041f62a2014-07-14 16:58:03 +0100223# Process ASM_ASSERTION flag
224$(eval $(call assert_boolean,ASM_ASSERTION))
225$(eval $(call add_define,ASM_ASSERTION))
Sandrine Bailleux5fe57c12014-07-17 17:23:14 +0100226
Dan Handleycba2c502014-08-08 14:36:42 +0100227# Process LOG_LEVEL flag
228$(eval $(call add_define,LOG_LEVEL))
229
Harry Liebel0af6d642013-12-20 18:51:12 +0000230ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \
Sandrine Bailleux47e74a82014-06-23 13:37:53 +0100231 -Werror -Wmissing-include-dirs \
Jeenu Viswambharan19a0ace2014-05-15 14:40:58 +0100232 -mgeneral-regs-only -D__ASSEMBLY__ \
233 ${DEFINES} ${INCLUDES}
234CFLAGS += -nostdinc -pedantic -ffreestanding -Wall \
Sandrine Bailleux47e74a82014-06-23 13:37:53 +0100235 -Werror -Wmissing-include-dirs \
236 -mgeneral-regs-only -std=c99 -c -Os \
Jeenu Viswambharan19a0ace2014-05-15 14:40:58 +0100237 ${DEFINES} ${INCLUDES}
Andrew Thoelkee01ea342014-03-18 07:13:52 +0000238CFLAGS += -ffunction-sections -fdata-sections
Achin Gupta4f6ad662013-10-25 09:08:21 +0100239
Sandrine Bailleux3e850a82013-11-20 11:50:48 +0000240LDFLAGS += --fatal-warnings -O1
Andrew Thoelkee01ea342014-03-18 07:13:52 +0000241LDFLAGS += --gc-sections
Achin Gupta4f6ad662013-10-25 09:08:21 +0100242
243
James Morrisseyeaaeece2013-11-01 13:56:59 +0000244CC := ${CROSS_COMPILE}gcc
245CPP := ${CROSS_COMPILE}cpp
246AS := ${CROSS_COMPILE}gcc
247AR := ${CROSS_COMPILE}ar
248LD := ${CROSS_COMPILE}ld
249OC := ${CROSS_COMPILE}objcopy
250OD := ${CROSS_COMPILE}objdump
251NM := ${CROSS_COMPILE}nm
252PP := ${CROSS_COMPILE}gcc -E ${CFLAGS}
Achin Gupta4f6ad662013-10-25 09:08:21 +0100253
Harry Liebelf58ad362014-01-10 18:00:33 +0000254# Variables for use with Firmware Image Package
255FIPTOOLPATH ?= tools/fip_create
Achin Gupta375f5382014-02-18 18:12:48 +0000256FIPTOOL ?= ${FIPTOOLPATH}/fip_create
Harry Liebelf58ad362014-01-10 18:00:33 +0000257fiptool: ${FIPTOOL}
258fip: ${BUILD_PLAT}/fip.bin
259
Ian Spray36eaaf32014-01-30 17:25:28 +0000260locate-checkpatch:
261ifndef CHECKPATCH
262 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl")
263else
264ifeq (,$(wildcard ${CHECKPATCH}))
265 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl")
266endif
267endif
268
Achin Gupta4f6ad662013-10-25 09:08:21 +0100269clean:
270 @echo " CLEAN"
Ryan Harkin25cff832014-01-13 12:37:03 +0000271 ${Q}rm -rf ${BUILD_PLAT}
Jeenu Viswambharan2f2cef42014-02-19 09:38:18 +0000272 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
Achin Gupta4f6ad662013-10-25 09:08:21 +0100273
James Morrisseyeaaeece2013-11-01 13:56:59 +0000274realclean distclean:
275 @echo " REALCLEAN"
276 ${Q}rm -rf ${BUILD_BASE}
Joakim Bech35fab8c2014-01-23 14:51:49 +0100277 ${Q}rm -f ${CURDIR}/cscope.*
Jeenu Viswambharan2f2cef42014-02-19 09:38:18 +0000278 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
Achin Gupta4f6ad662013-10-25 09:08:21 +0100279
Ian Spray36eaaf32014-01-30 17:25:28 +0000280checkcodebase: locate-checkpatch
281 @echo " CHECKING STYLE"
282 @if test -d .git ; then \
Juan Castillo2d552402014-06-13 17:05:10 +0100283 git ls-files | grep -v stdlib | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \
Ian Spray36eaaf32014-01-30 17:25:28 +0000284 else \
Juan Castillo2d552402014-06-13 17:05:10 +0100285 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -not -iwholename "*stdlib*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \
Ian Spray36eaaf32014-01-30 17:25:28 +0000286 fi
287
288checkpatch: locate-checkpatch
289 @echo " CHECKING STYLE"
290 @git format-patch --stdout ${BASE_COMMIT} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true
291
Harry Liebelf58ad362014-01-10 18:00:33 +0000292${FIPTOOL}:
Jeenu Viswambharan2f2cef42014-02-19 09:38:18 +0000293 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH}
Harry Liebelf58ad362014-01-10 18:00:33 +0000294 @echo
Jeenu Viswambharan2f2cef42014-02-19 09:38:18 +0000295 @echo "Built $@ successfully"
Harry Liebelf58ad362014-01-10 18:00:33 +0000296 @echo
297
Jon Medhurst407a95c2014-02-12 15:54:48 +0000298define match_goals
299$(strip $(foreach goal,$(1),$(filter $(goal),$(MAKECMDGOALS))))
300endef
Achin Gupta4f6ad662013-10-25 09:08:21 +0100301
Sandrine Bailleux2d3e42d2014-03-21 14:17:51 +0000302# List of rules that involve building things
303BUILD_TARGETS := all bl1 bl2 bl31 bl32 fip
James Morrisseyeaaeece2013-11-01 13:56:59 +0000304
Sandrine Bailleux2d3e42d2014-03-21 14:17:51 +0000305# Does the list of goals specified on the command line include a build target?
306ifneq ($(call match_goals,${BUILD_TARGETS}),)
307IS_ANYTHING_TO_BUILD := 1
308endif
James Morrisseyeaaeece2013-11-01 13:56:59 +0000309
Jon Medhurst407a95c2014-02-12 15:54:48 +0000310define MAKE_C
James Morrisseyeaaeece2013-11-01 13:56:59 +0000311
Jon Medhurst407a95c2014-02-12 15:54:48 +0000312$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2))))
313$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ)))
James Morrisseyeaaeece2013-11-01 13:56:59 +0000314
Jon Medhurst407a95c2014-02-12 15:54:48 +0000315$(OBJ) : $(2)
316 @echo " CC $$<"
Soby Mathewbeb83d62014-07-16 15:12:21 +0100317 $$(Q)$$(CC) $$(CFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@
Achin Gupta4f6ad662013-10-25 09:08:21 +0100318
James Morrisseyeaaeece2013-11-01 13:56:59 +0000319
Jon Medhurst407a95c2014-02-12 15:54:48 +0000320$(PREREQUISITES) : $(2)
321 @echo " DEPS $$@"
322 @mkdir -p $(1)
323 $$(Q)$$(CC) $$(CFLAGS) -M -MT $(OBJ) -MF $$@ $$<
James Morrisseyeaaeece2013-11-01 13:56:59 +0000324
Sandrine Bailleux2d3e42d2014-03-21 14:17:51 +0000325ifdef IS_ANYTHING_TO_BUILD
Jon Medhurst407a95c2014-02-12 15:54:48 +0000326-include $(PREREQUISITES)
327endif
Achin Gupta4f6ad662013-10-25 09:08:21 +0100328
Jon Medhurst407a95c2014-02-12 15:54:48 +0000329endef
Achin Gupta4f6ad662013-10-25 09:08:21 +0100330
331
Jon Medhurst407a95c2014-02-12 15:54:48 +0000332define MAKE_S
James Morrisseyeaaeece2013-11-01 13:56:59 +0000333
Jon Medhurst407a95c2014-02-12 15:54:48 +0000334$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2))))
335$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ)))
Achin Gupta4f6ad662013-10-25 09:08:21 +0100336
Jon Medhurst407a95c2014-02-12 15:54:48 +0000337$(OBJ) : $(2)
338 @echo " AS $$<"
Soby Mathewbeb83d62014-07-16 15:12:21 +0100339 $$(Q)$$(AS) $$(ASFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@
James Morrisseyeaaeece2013-11-01 13:56:59 +0000340
Jon Medhurst407a95c2014-02-12 15:54:48 +0000341$(PREREQUISITES) : $(2)
342 @echo " DEPS $$@"
343 @mkdir -p $(1)
344 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(OBJ) -MF $$@ $$<
Achin Gupta4f6ad662013-10-25 09:08:21 +0100345
Sandrine Bailleux2d3e42d2014-03-21 14:17:51 +0000346ifdef IS_ANYTHING_TO_BUILD
Jon Medhurst407a95c2014-02-12 15:54:48 +0000347-include $(PREREQUISITES)
348endif
Achin Gupta4f6ad662013-10-25 09:08:21 +0100349
Jon Medhurst407a95c2014-02-12 15:54:48 +0000350endef
351
352
353define MAKE_LD
354
355$(eval PREREQUISITES := $(1).d)
356
357$(1) : $(2)
358 @echo " PP $$<"
359 $$(Q)$$(AS) $$(ASFLAGS) -P -E -o $$@ $$<
360
361$(PREREQUISITES) : $(2)
362 @echo " DEPS $$@"
363 @mkdir -p $$(dir $$@)
364 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(1) -MF $$@ $$<
365
Sandrine Bailleux2d3e42d2014-03-21 14:17:51 +0000366ifdef IS_ANYTHING_TO_BUILD
Jon Medhurst407a95c2014-02-12 15:54:48 +0000367-include $(PREREQUISITES)
368endif
369
370endef
371
372
373define MAKE_OBJS
374 $(eval C_OBJS := $(filter %.c,$(2)))
375 $(eval REMAIN := $(filter-out %.c,$(2)))
Soby Mathewbeb83d62014-07-16 15:12:21 +0100376 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3))))
Jon Medhurst407a95c2014-02-12 15:54:48 +0000377
378 $(eval S_OBJS := $(filter %.S,$(REMAIN)))
379 $(eval REMAIN := $(filter-out %.S,$(REMAIN)))
Soby Mathewbeb83d62014-07-16 15:12:21 +0100380 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3))))
Jon Medhurst407a95c2014-02-12 15:54:48 +0000381
382 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN)))
383endef
384
385
386# NOTE: The line continuation '\' is required in the next define otherwise we
387# end up with a line-feed characer at the end of the last c filename.
388# Also bare this issue in mind if extending the list of supported filetypes.
389define SOURCES_TO_OBJS
390 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \
391 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1))))
392endef
393
394define MAKE_BL
395 $(eval BUILD_DIR := ${BUILD_PLAT}/bl$(1))
396 $(eval SOURCES := $(BL$(1)_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES))
397 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES))))
398 $(eval LINKERFILE := $(BUILD_DIR)/bl$(1).ld)
399 $(eval MAPFILE := $(BUILD_DIR)/bl$(1).map)
400 $(eval ELF := $(BUILD_DIR)/bl$(1).elf)
401 $(eval DUMP := $(BUILD_DIR)/bl$(1).dump)
402 $(eval BIN := $(BUILD_PLAT)/bl$(1).bin)
403
Soby Mathewbeb83d62014-07-16 15:12:21 +0100404 $(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1)))
Jon Medhurst407a95c2014-02-12 15:54:48 +0000405 $(eval $(call MAKE_LD,$(LINKERFILE),$(BL$(1)_LINKERFILE)))
406
407$(BUILD_DIR) :
408 $$(Q)mkdir -p "$$@"
409
410$(ELF) : $(OBJS) $(LINKERFILE)
411 @echo " LD $$@"
Juan Castillo04be3a52014-06-30 11:41:46 +0100412 @echo 'const char build_message[] = "Built : "__TIME__", "__DATE__; \
413 const char version_string[] = "${VERSION_STRING}";' | \
Jon Medhurstecf0a712014-02-17 12:18:24 +0000414 $$(CC) $$(CFLAGS) -xc - -o $(BUILD_DIR)/build_message.o
Jon Medhurst407a95c2014-02-12 15:54:48 +0000415 $$(Q)$$(LD) -o $$@ $$(LDFLAGS) -Map=$(MAPFILE) --script $(LINKERFILE) \
Jeenu Viswambharan2a30a752014-03-11 11:06:45 +0000416 $(BUILD_DIR)/build_message.o $(OBJS)
Jon Medhurst407a95c2014-02-12 15:54:48 +0000417
418$(DUMP) : $(ELF)
419 @echo " OD $$@"
420 $${Q}$${OD} -dx $$< > $$@
421
422$(BIN) : $(ELF)
423 @echo " BIN $$@"
424 $$(Q)$$(OC) -O binary $$< $$@
425 @echo
426 @echo "Built $$@ successfully"
427 @echo
428
429.PHONY : bl$(1)
430bl$(1) : $(BUILD_DIR) $(BIN) $(DUMP)
431
432all : bl$(1)
433
434$(eval FIP_DEPS += $(if $2,$(BIN),))
435$(eval FIP_ARGS += $(if $2,--bl$(1) $(BIN),))
436
437endef
438
439
Jon Medhurst66573cb2014-02-13 15:19:28 +0000440ifeq (${NEED_BL1},yes)
Jon Medhurst407a95c2014-02-12 15:54:48 +0000441$(eval $(call MAKE_BL,1))
Jon Medhurst66573cb2014-02-13 15:19:28 +0000442endif
Jon Medhurst407a95c2014-02-12 15:54:48 +0000443
Jon Medhurst66573cb2014-02-13 15:19:28 +0000444ifeq (${NEED_BL2},yes)
Soby Mathewdbee7fc2014-09-08 17:51:01 +0100445$(if ${BL2}, $(eval FIP_DEPS += ${BL2}) $(eval FIP_ARGS += --bl2 ${BL2}),\
446 $(eval $(call MAKE_BL,2,in_fip)))
Jon Medhurst66573cb2014-02-13 15:19:28 +0000447endif
Jon Medhurst407a95c2014-02-12 15:54:48 +0000448
Jon Medhurst66573cb2014-02-13 15:19:28 +0000449ifeq (${NEED_BL31},yes)
Jon Medhurst407a95c2014-02-12 15:54:48 +0000450BL31_SOURCES += ${SPD_SOURCES}
Soby Mathewdbee7fc2014-09-08 17:51:01 +0100451$(if ${BL31}, $(eval FIP_DEPS += ${BL31}) $(eval FIP_ARGS += --bl31 ${BL31}),\
452 $(eval $(call MAKE_BL,31,in_fip)))
Jon Medhurst66573cb2014-02-13 15:19:28 +0000453endif
Jon Medhurst407a95c2014-02-12 15:54:48 +0000454
455ifeq (${NEED_BL32},yes)
Soby Mathewdbee7fc2014-09-08 17:51:01 +0100456$(if ${BL32}, $(eval FIP_DEPS += ${BL32}) $(eval FIP_ARGS += --bl32 ${BL32}),\
457 $(eval $(call MAKE_BL,32,in_fip)))
Jon Medhurst407a95c2014-02-12 15:54:48 +0000458endif
Ryan Harkin72ee3312014-01-15 16:55:07 +0000459
Sandrine Bailleuxf841ef02014-06-24 14:19:36 +0100460ifeq (${NEED_BL30},yes)
Soby Mathewdbee7fc2014-09-08 17:51:01 +0100461$(if ${BL30}, $(eval FIP_DEPS += ${BL30}) $(eval FIP_ARGS += --bl30 ${BL30}), )
Sandrine Bailleuxf841ef02014-06-24 14:19:36 +0100462
Sandrine Bailleuxf841ef02014-06-24 14:19:36 +0100463# If BL3-0 is needed by the platform then 'BL30' variable must be defined.
464check_bl30:
465 $(if ${BL30},,$(error "To build a FIP for platform ${PLAT}, please set BL30 to point to the SCP firmware"))
466else
Soby Mathewdbee7fc2014-09-08 17:51:01 +0100467
Sandrine Bailleuxf841ef02014-06-24 14:19:36 +0100468# If BL3-0 is not needed by the platform but the user still specified the path
469# to a BL3-0 image then warn him that it will be ignored.
470check_bl30:
471 $(if ${BL30},$(warning "BL3-0 is not supported on platform ${PLAT}, it will just be ignored"),)
472endif
473
Soby Mathewdbee7fc2014-09-08 17:51:01 +0100474ifeq (${NEED_BL33},yes)
475$(if ${BL33}, $(eval FIP_DEPS += ${BL33}) $(eval FIP_ARGS += --bl33 ${BL33}), )
476
477# If BL3-3 is needed by the platform then 'BL33' variable must be defined.
478check_bl33:
479 $(if ${BL33},,$(error "To build a FIP, please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd"))
480else
481
482# If BL3-3 is not needed by the platform but the user still specified the path
483# to a BL3-3 image then warn him that it will be ignored.
484check_bl33:
485 $(if ${BL33},$(warning "BL3-3 is not supported on platform ${PLAT}, it will just be ignored"),)
486endif
487
488
489${BUILD_PLAT}/fip.bin: ${FIP_DEPS} ${FIPTOOL} check_bl30 check_bl33
Harry Liebelf58ad362014-01-10 18:00:33 +0000490 ${Q}${FIPTOOL} --dump \
Achin Gupta375f5382014-02-18 18:12:48 +0000491 ${FIP_ARGS} \
Harry Liebelf58ad362014-01-10 18:00:33 +0000492 $@
493 @echo
Jeenu Viswambharan2f2cef42014-02-19 09:38:18 +0000494 @echo "Built $@ successfully"
495 @echo
Harry Liebelf58ad362014-01-10 18:00:33 +0000496
497
Joakim Bech35fab8c2014-01-23 14:51:49 +0100498cscope:
499 @echo " CSCOPE"
500 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
501 ${Q}cscope -b -q -k
502
Ryan Harkin72ee3312014-01-15 16:55:07 +0000503help:
Sandrine Bailleuxa08588a2014-03-21 13:16:35 +0000504 @echo "usage: ${MAKE} PLAT=<${HELP_PLATFORMS}> <all|bl1|bl2|bl31|distclean|clean|checkcodebase|checkpatch>"
Ryan Harkin72ee3312014-01-15 16:55:07 +0000505 @echo ""
506 @echo "PLAT is used to specify which platform you wish to build."
Sandrine Bailleuxa08588a2014-03-21 13:16:35 +0000507 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
Ryan Harkin72ee3312014-01-15 16:55:07 +0000508 @echo ""
509 @echo "Supported Targets:"
Jeenu Viswambharan8aa559c2014-02-21 11:42:08 +0000510 @echo " all Build the BL1, BL2 and BL31 binaries"
Ian Spray36eaaf32014-01-30 17:25:28 +0000511 @echo " bl1 Build the BL1 binary"
Jeenu Viswambharan8aa559c2014-02-21 11:42:08 +0000512 @echo " bl2 Build the BL2 binary"
Ian Spray36eaaf32014-01-30 17:25:28 +0000513 @echo " bl31 Build the BL31 binary"
514 @echo " checkcodebase Check the coding style of the entire source tree"
515 @echo " checkpatch Check the coding style on changes in the current"
516 @echo " branch against BASE_COMMIT (default origin/master)"
517 @echo " clean Clean the build for the selected platform"
Harry Liebelf58ad362014-01-10 18:00:33 +0000518 @echo " cscope Generate cscope index"
Ian Spray36eaaf32014-01-30 17:25:28 +0000519 @echo " distclean Remove all build artifacts for all platforms"
Harry Liebelf58ad362014-01-10 18:00:33 +0000520 @echo " fiptool Build the Firmware Image Package(FIP) creation tool"
Ryan Harkin72ee3312014-01-15 16:55:07 +0000521 @echo ""
522 @echo "note: most build targets require PLAT to be set to a specific platform."
523 @echo ""
524 @echo "example: build all targets for the FVP platform:"
525 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"