xref: /rk3399_ARM-atf/Makefile (revision 36eaaf37690c1019c99335e708361b5a613101db)
14f6ad66aSAchin Gupta#
2e83b0cadSDan Handley# Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
34f6ad66aSAchin Gupta#
44f6ad66aSAchin Gupta# Redistribution and use in source and binary forms, with or without
54f6ad66aSAchin Gupta# modification, are permitted provided that the following conditions are met:
64f6ad66aSAchin Gupta#
74f6ad66aSAchin Gupta# Redistributions of source code must retain the above copyright notice, this
84f6ad66aSAchin Gupta# list of conditions and the following disclaimer.
94f6ad66aSAchin Gupta#
104f6ad66aSAchin Gupta# Redistributions in binary form must reproduce the above copyright notice,
114f6ad66aSAchin Gupta# this list of conditions and the following disclaimer in the documentation
124f6ad66aSAchin Gupta# and/or other materials provided with the distribution.
134f6ad66aSAchin Gupta#
144f6ad66aSAchin Gupta# Neither the name of ARM nor the names of its contributors may be used
154f6ad66aSAchin Gupta# to endorse or promote products derived from this software without specific
164f6ad66aSAchin Gupta# prior written permission.
174f6ad66aSAchin Gupta#
184f6ad66aSAchin Gupta# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
194f6ad66aSAchin Gupta# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
204f6ad66aSAchin Gupta# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
214f6ad66aSAchin Gupta# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
224f6ad66aSAchin Gupta# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
234f6ad66aSAchin Gupta# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
244f6ad66aSAchin Gupta# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
254f6ad66aSAchin Gupta# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
264f6ad66aSAchin Gupta# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
274f6ad66aSAchin Gupta# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
284f6ad66aSAchin Gupta# POSSIBILITY OF SUCH DAMAGE.
294f6ad66aSAchin Gupta#
304f6ad66aSAchin Gupta
314f6ad66aSAchin Gupta# Decrease the verbosity of the make script
324f6ad66aSAchin Gupta# can be made verbose by passing V=1 at the make command line
334f6ad66aSAchin Guptaifdef V
34eaaeece2SJames Morrissey  KBUILD_VERBOSE = ${V}
354f6ad66aSAchin Guptaelse
364f6ad66aSAchin Gupta  KBUILD_VERBOSE = 0
374f6ad66aSAchin Guptaendif
384f6ad66aSAchin Gupta
39*36eaaf37SIan SprayCHECKPATCH_ARGS		=	--no-tree --no-signoff
40*36eaaf37SIan SprayCHECKCODE_ARGS		=	--no-patch --no-tree --no-signoff
41*36eaaf37SIan Spray
42eaaeece2SJames Morrisseyifeq "${KBUILD_VERBOSE}" "0"
434f6ad66aSAchin Gupta	Q=@
44*36eaaf37SIan Spray	CHECKCODE_ARGS	+=	--no-summary --terse
454f6ad66aSAchin Guptaelse
464f6ad66aSAchin Gupta	Q=
474f6ad66aSAchin Guptaendif
484f6ad66aSAchin Gupta
494f6ad66aSAchin GuptaDEBUG	?= 0
50eaaeece2SJames Morrissey
51eaaeece2SJames Morrisseyifneq (${DEBUG}, 0)
52eaaeece2SJames Morrissey	BUILD_TYPE	:=	debug
53eaaeece2SJames Morrisseyelse
54eaaeece2SJames Morrissey	BUILD_TYPE	:=	release
55eaaeece2SJames Morrisseyendif
56eaaeece2SJames Morrissey
57d7a6b0f8SRyan HarkinBL_COMMON_OBJS		:=	misc_helpers.o		\
58d7a6b0f8SRyan Harkin				cache_helpers.o		\
59d7a6b0f8SRyan Harkin				tlb_helpers.o		\
60d7a6b0f8SRyan Harkin				std.o			\
61d7a6b0f8SRyan Harkin				bl_common.o		\
62d7a6b0f8SRyan Harkin				platform_helpers.o
63d7a6b0f8SRyan Harkin
6425cff83eSRyan HarkinARCH 			?=	aarch64
654f6ad66aSAchin Gupta
6625cff83eSRyan Harkin# By default, build all platforms available
6725cff83eSRyan HarkinPLAT			?=	all
684f6ad66aSAchin Gupta
69eaaeece2SJames MorrisseyBUILD_BASE		:=	./build
7025cff83eSRyan HarkinBUILD_PLAT		:=	${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
7125cff83eSRyan HarkinBUILD_BL1		:=	${BUILD_PLAT}/bl1
7225cff83eSRyan HarkinBUILD_BL2		:=	${BUILD_PLAT}/bl2
7325cff83eSRyan HarkinBUILD_BL31		:=	${BUILD_PLAT}/bl31
74eaaeece2SJames MorrisseyBUILD_DIRS		:=	${BUILD_BL1} ${BUILD_BL2} ${BUILD_BL31}
754f6ad66aSAchin Gupta
7625cff83eSRyan HarkinPLATFORMS		:=	$(shell ls -I common plat/)
7772ee3314SRyan HarkinHELP_PLATFORMS		:=	$(shell echo ${PLATFORMS} | sed 's/ /|/g')
7872ee3314SRyan Harkin
7925cff83eSRyan Harkinifeq (${PLAT},)
8025cff83eSRyan Harkin  $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform.")
8125cff83eSRyan Harkinendif
8225cff83eSRyan Harkinifeq ($(findstring ${PLAT},${PLATFORMS} all),)
8325cff83eSRyan Harkin  $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}")
8425cff83eSRyan Harkinendif
854f6ad66aSAchin Gupta
8625cff83eSRyan Harkinifeq (${PLAT},all)
8725cff83eSRyan Harkinall: ${PLATFORMS}
8825cff83eSRyan Harkinelse
8925cff83eSRyan Harkinall: msg_start bl1 bl2 bl31
9025cff83eSRyan Harkinendif
9125cff83eSRyan Harkin
9225cff83eSRyan Harkinmsg_start:
9325cff83eSRyan Harkin	@echo "Building ${PLAT}"
9425cff83eSRyan Harkin
9525cff83eSRyan Harkin${PLATFORMS}:
9625cff83eSRyan Harkin	${MAKE} PLAT=$@ all
9725cff83eSRyan Harkin
9825cff83eSRyan Harkinifneq (${PLAT},all)
9925cff83eSRyan Harkin  $(info Including ${PLAT}/platform.mk)
10025cff83eSRyan Harkin  include plat/${PLAT}/platform.mk
1014f6ad66aSAchin Gupta  $(info Including bl1.mk)
1024f6ad66aSAchin Gupta  include bl1/bl1.mk
1034f6ad66aSAchin Gupta  $(info Including bl2.mk)
1044f6ad66aSAchin Gupta  include bl2/bl2.mk
1054f6ad66aSAchin Gupta  $(info Including bl31.mk)
1064f6ad66aSAchin Gupta  include bl31/bl31.mk
10725cff83eSRyan Harkinendif
1084f6ad66aSAchin Gupta
109*36eaaf37SIan Spray.PHONY:			all msg_start ${PLATFORMS} dump clean realclean distclean bl1 bl2 bl31 cscope locate-checkpatch checkcodebase checkpatch
110eaaeece2SJames Morrissey.SUFFIXES:
111eaaeece2SJames Morrissey
112eaaeece2SJames Morrissey
11325cff83eSRyan HarkinBL1_OBJS		:= 	$(addprefix ${BUILD_BL1}/,${BL1_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS})
11425cff83eSRyan HarkinBL2_OBJS		:= 	$(addprefix ${BUILD_BL2}/,${BL2_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS})
11525cff83eSRyan HarkinBL31_OBJS		:= 	$(addprefix ${BUILD_BL31}/,${BL31_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS})
116eaaeece2SJames MorrisseyBL1_MAPFILE		:= 	$(addprefix ${BUILD_BL1}/,${BL1_MAPFILE})
117eaaeece2SJames MorrisseyBL2_MAPFILE		:= 	$(addprefix ${BUILD_BL2}/,${BL2_MAPFILE})
118eaaeece2SJames MorrisseyBL31_MAPFILE		:= 	$(addprefix ${BUILD_BL31}/,${BL31_MAPFILE})
119eaaeece2SJames MorrisseyBL1_LINKERFILE		:= 	$(addprefix ${BUILD_BL1}/,${BL1_LINKERFILE})
120eaaeece2SJames MorrisseyBL2_LINKERFILE		:= 	$(addprefix ${BUILD_BL2}/,${BL2_LINKERFILE})
121eaaeece2SJames MorrisseyBL31_LINKERFILE		:= 	$(addprefix ${BUILD_BL31}/,${BL31_LINKERFILE})
1224f6ad66aSAchin Gupta
123d7a6b0f8SRyan HarkinINCLUDES		+=	-Ilib/include/			\
124d7a6b0f8SRyan Harkin				-Iinclude/${ARCH}/		\
125d7a6b0f8SRyan Harkin				-Iinclude/			\
126d7a6b0f8SRyan Harkin				-Iarch/system/gic		\
127d7a6b0f8SRyan Harkin				-Icommon/psci			\
128d7a6b0f8SRyan Harkin				-Iinclude/stdlib		\
129d7a6b0f8SRyan Harkin				-Iinclude/stdlib/sys		\
130d7a6b0f8SRyan Harkin				-Iplat/${PLAT}			\
131d7a6b0f8SRyan Harkin				${PLAT_INCLUDES}
1324f6ad66aSAchin Gupta
1330af6d64dSHarry LiebelASFLAGS			+= 	-nostdinc -ffreestanding -Wa,--fatal-warnings	\
1344f603683SHarry Liebel				-mgeneral-regs-only -D__ASSEMBLY__ ${INCLUDES}
1354f603683SHarry LiebelCFLAGS			:= 	-nostdinc -pedantic -ffreestanding -Wall	\
1364f603683SHarry Liebel				-Werror -mgeneral-regs-only -std=c99 -c -Os	\
1374f603683SHarry Liebel				-DDEBUG=${DEBUG} ${INCLUDES} ${CFLAGS}
1384f6ad66aSAchin Gupta
1393e850a84SSandrine BailleuxLDFLAGS			+=	--fatal-warnings -O1
140eaaeece2SJames MorrisseyBL1_LDFLAGS		:=	-Map=${BL1_MAPFILE} --script ${BL1_LINKERFILE} --entry=${BL1_ENTRY_POINT}
141eaaeece2SJames MorrisseyBL2_LDFLAGS		:=	-Map=${BL2_MAPFILE} --script ${BL2_LINKERFILE} --entry=${BL2_ENTRY_POINT}
142eaaeece2SJames MorrisseyBL31_LDFLAGS		:=	-Map=${BL31_MAPFILE} --script ${BL31_LINKERFILE} --entry=${BL31_ENTRY_POINT}
1434f6ad66aSAchin Gupta
1444f6ad66aSAchin Gupta
1454f6ad66aSAchin Guptavpath %.ld.S bl1:bl2:bl31
1464f6ad66aSAchin Guptavpath %.c bl1:bl2:bl31
1474f6ad66aSAchin Guptavpath %.c bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH}
1484f6ad66aSAchin Guptavpath %.S bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH}
1494f6ad66aSAchin Gupta
1504f6ad66aSAchin Gupta
151eaaeece2SJames Morrisseyifneq (${DEBUG}, 0)
1524f6ad66aSAchin Gupta#CFLAGS			+= 	-g -O0
1534f6ad66aSAchin GuptaCFLAGS			+= 	-g
1544f6ad66aSAchin Gupta# -save-temps -fverbose-asm
1554f6ad66aSAchin GuptaASFLAGS			+= 	-g -Wa,--gdwarf-2
1564f6ad66aSAchin Guptaendif
1574f6ad66aSAchin Gupta
1584f6ad66aSAchin Gupta
159eaaeece2SJames MorrisseyCC			:=	${CROSS_COMPILE}gcc
160eaaeece2SJames MorrisseyCPP			:=	${CROSS_COMPILE}cpp
161eaaeece2SJames MorrisseyAS			:=	${CROSS_COMPILE}gcc
162eaaeece2SJames MorrisseyAR			:=	${CROSS_COMPILE}ar
163eaaeece2SJames MorrisseyLD			:=	${CROSS_COMPILE}ld
164eaaeece2SJames MorrisseyOC			:=	${CROSS_COMPILE}objcopy
165eaaeece2SJames MorrisseyOD			:=	${CROSS_COMPILE}objdump
166eaaeece2SJames MorrisseyNM			:=	${CROSS_COMPILE}nm
167eaaeece2SJames MorrisseyPP			:=	${CROSS_COMPILE}gcc -E ${CFLAGS}
1684f6ad66aSAchin Gupta
1694f6ad66aSAchin Gupta
17025cff83eSRyan Harkinbl1:			${BUILD_BL1} ${BUILD_PLAT}/bl1.bin
17125cff83eSRyan Harkinbl2:			${BUILD_BL2} ${BUILD_PLAT}/bl2.bin
17225cff83eSRyan Harkinbl31:			${BUILD_BL31} ${BUILD_PLAT}/bl31.bin
1734f6ad66aSAchin Gupta
174*36eaaf37SIan SprayBASE_COMMIT		?=	origin/master
175*36eaaf37SIan Spray
17625cff83eSRyan Harkinifeq (${PLAT},all)
17725cff83eSRyan Harkin  ifeq (${MAKECMDGOALS},clean)
17825cff83eSRyan Harkin    $(error "Please select a platform with PLAT=<platform>. You can use 'make distclean' to clean up all platform builds")
17925cff83eSRyan Harkin  endif
18025cff83eSRyan Harkinendif
181*36eaaf37SIan Spray
182*36eaaf37SIan Spraylocate-checkpatch:
183*36eaaf37SIan Sprayifndef CHECKPATCH
184*36eaaf37SIan Spray	$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl")
185*36eaaf37SIan Sprayelse
186*36eaaf37SIan Sprayifeq (,$(wildcard ${CHECKPATCH}))
187*36eaaf37SIan Spray	$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl")
188*36eaaf37SIan Sprayendif
189*36eaaf37SIan Sprayendif
190*36eaaf37SIan Spray
1914f6ad66aSAchin Guptaclean:
1924f6ad66aSAchin Gupta			@echo "  CLEAN"
19325cff83eSRyan Harkin			${Q}rm -rf ${BUILD_PLAT}
1944f6ad66aSAchin Gupta
195eaaeece2SJames Morrisseyrealclean distclean:
196eaaeece2SJames Morrissey			@echo "  REALCLEAN"
197eaaeece2SJames Morrissey			${Q}rm -rf ${BUILD_BASE}
19835fab8c9SJoakim Bech			${Q}rm -f ${CURDIR}/cscope.*
1994f6ad66aSAchin Gupta
2004f6ad66aSAchin Guptadump:
2014f6ad66aSAchin Gupta			@echo "  OBJDUMP"
202eaaeece2SJames Morrissey			${Q}${OD} -d ${BUILD_BL1}/bl1.elf > ${BUILD_BL1}/bl1.dump
203eaaeece2SJames Morrissey			${Q}${OD} -d ${BUILD_BL2}/bl2.elf > ${BUILD_BL2}/bl2.dump
204eaaeece2SJames Morrissey			${Q}${OD} -d ${BUILD_BL31}/bl31.elf > ${BUILD_BL31}/bl31.dump
2054f6ad66aSAchin Gupta
206*36eaaf37SIan Spraycheckcodebase:		locate-checkpatch
207*36eaaf37SIan Spray			@echo "  CHECKING STYLE"
208*36eaaf37SIan Spray			@if test -d .git ; then	\
209*36eaaf37SIan Spray				git ls-files | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ;	\
210*36eaaf37SIan Spray			 else			\
211*36eaaf37SIan Spray				 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
212*36eaaf37SIan Spray			 fi
213*36eaaf37SIan Spray
214*36eaaf37SIan Spraycheckpatch:		locate-checkpatch
215*36eaaf37SIan Spray			@echo "  CHECKING STYLE"
216*36eaaf37SIan Spray			@git format-patch --stdout ${BASE_COMMIT} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true
217*36eaaf37SIan Spray
218eaaeece2SJames Morrissey${BUILD_DIRS}:
219eaaeece2SJames Morrissey			${Q}mkdir -p "$@"
220eaaeece2SJames Morrissey
221eaaeece2SJames Morrissey
222eaaeece2SJames Morrissey${BUILD_BL1}/%.o:	%.S
2234f6ad66aSAchin Gupta			@echo "  AS      $<"
224eaaeece2SJames Morrissey			${Q}${AS} ${ASFLAGS} -c $< -o $@
2254f6ad66aSAchin Gupta
226eaaeece2SJames Morrissey${BUILD_BL2}/%.o:	%.S
227eaaeece2SJames Morrissey			@echo "  AS      $<"
228eaaeece2SJames Morrissey			${Q}${AS} ${ASFLAGS} -c $< -o $@
229eaaeece2SJames Morrissey
230eaaeece2SJames Morrissey${BUILD_BL31}/%.o:	%.S
231eaaeece2SJames Morrissey			@echo "  AS      $<"
232eaaeece2SJames Morrissey			${Q}${AS} ${ASFLAGS} -c $< -o $@
233eaaeece2SJames Morrissey
234eaaeece2SJames Morrissey${BUILD_BL1}/%.o:	%.c
2354f6ad66aSAchin Gupta			@echo "  CC      $<"
236eaaeece2SJames Morrissey			${Q}${CC} ${CFLAGS} -c $< -o $@
2374f6ad66aSAchin Gupta
238eaaeece2SJames Morrissey${BUILD_BL2}/%.o:	%.c
239eaaeece2SJames Morrissey			@echo "  CC      $<"
240eaaeece2SJames Morrissey			${Q}${CC} ${CFLAGS} -c $< -o $@
241eaaeece2SJames Morrissey
242eaaeece2SJames Morrissey${BUILD_BL31}/%.o:	%.c
243eaaeece2SJames Morrissey			@echo "  CC      $<"
244eaaeece2SJames Morrissey			${Q}${CC} ${CFLAGS} -c $< -o $@
245eaaeece2SJames Morrissey
246eaaeece2SJames Morrissey${BUILD_BL1}/%.ld:	%.ld.S
24725cff83eSRyan Harkin			@echo "  PP      $<"
248eaaeece2SJames Morrissey			${Q}${AS} ${ASFLAGS} -P -E $< -o $@
249eaaeece2SJames Morrissey
250eaaeece2SJames Morrissey${BUILD_BL2}/%.ld:	%.ld.S
25125cff83eSRyan Harkin			@echo "  PP      $<"
252eaaeece2SJames Morrissey			${Q}${AS} ${ASFLAGS} -P -E $< -o $@
253eaaeece2SJames Morrissey
254eaaeece2SJames Morrissey${BUILD_BL31}/%.ld:	%.ld.S
25525cff83eSRyan Harkin			@echo "  PP      $<"
256eaaeece2SJames Morrissey			${Q}${AS} ${ASFLAGS} -P -E $< -o $@
2574f6ad66aSAchin Gupta
2584f6ad66aSAchin Gupta
259eaaeece2SJames Morrissey${BUILD_BL1}/bl1.elf:	${BL1_OBJS} ${BL1_LINKERFILE}
2604f6ad66aSAchin Gupta			@echo "  LD      $@"
261eaaeece2SJames Morrissey			${Q}${LD} -o $@ ${LDFLAGS} ${BL1_LDFLAGS} ${BL1_OBJS}
262eaaeece2SJames Morrissey
263eaaeece2SJames Morrissey${BUILD_BL2}/bl2.elf:	${BL2_OBJS} ${BL2_LINKERFILE}
264eaaeece2SJames Morrissey			@echo "  LD      $@"
265eaaeece2SJames Morrissey			${Q}${LD} -o $@ ${LDFLAGS} ${BL2_LDFLAGS} ${BL2_OBJS}
266eaaeece2SJames Morrissey
267eaaeece2SJames Morrissey${BUILD_BL31}/bl31.elf:	${BL31_OBJS} ${BL31_LINKERFILE}
268eaaeece2SJames Morrissey			@echo "  LD      $@"
269eaaeece2SJames Morrissey			${Q}${LD} -o $@ ${LDFLAGS} ${BL31_LDFLAGS} ${BL31_OBJS}
270eaaeece2SJames Morrissey
27125cff83eSRyan Harkin${BUILD_PLAT}/bl1.bin:	${BUILD_BL1}/bl1.elf
27225cff83eSRyan Harkin			@echo "  BIN     $@"
273eaaeece2SJames Morrissey			${Q}${OC} -O binary $< $@
274eaaeece2SJames Morrissey			@echo
2754f6ad66aSAchin Gupta			@echo "Built $@ successfully"
2764f6ad66aSAchin Gupta			@echo
2774f6ad66aSAchin Gupta
27825cff83eSRyan Harkin${BUILD_PLAT}/bl2.bin:	${BUILD_BL2}/bl2.elf
27925cff83eSRyan Harkin			@echo "  BIN     $@"
280eaaeece2SJames Morrissey			${Q}${OC} -O binary $< $@
281eaaeece2SJames Morrissey			@echo
2824f6ad66aSAchin Gupta			@echo "Built $@ successfully"
2834f6ad66aSAchin Gupta			@echo
2844f6ad66aSAchin Gupta
28525cff83eSRyan Harkin${BUILD_PLAT}/bl31.bin:	${BUILD_BL31}/bl31.elf
28625cff83eSRyan Harkin			@echo "  BIN     $@"
287eaaeece2SJames Morrissey			${Q}${OC} -O binary $< $@
288eaaeece2SJames Morrissey			@echo
2894f6ad66aSAchin Gupta			@echo "Built $@ successfully"
2904f6ad66aSAchin Gupta			@echo
29172ee3314SRyan Harkin
29235fab8c9SJoakim Bechcscope:
29335fab8c9SJoakim Bech	@echo "  CSCOPE"
29435fab8c9SJoakim Bech	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
29535fab8c9SJoakim Bech	${Q}cscope -b -q -k
29635fab8c9SJoakim Bech
29772ee3314SRyan Harkinhelp:
298*36eaaf37SIan Spray	@echo "usage: ${MAKE} PLAT=<all|${HELP_PLATFORMS}> <all|bl1|bl2|bl31|distclean|clean|checkcodebase|checkpatch|dump>"
29972ee3314SRyan Harkin	@echo ""
30072ee3314SRyan Harkin	@echo "PLAT is used to specify which platform you wish to build."
30172ee3314SRyan Harkin	@echo ""
30272ee3314SRyan Harkin	@echo "Supported Targets:"
303*36eaaf37SIan Spray	@echo "  all            Build the BL1, BL2 and BL31 binaries"
304*36eaaf37SIan Spray	@echo "  bl1            Build the BL1 binary"
305*36eaaf37SIan Spray	@echo "  bl2            Build the BL2 binary"
306*36eaaf37SIan Spray	@echo "  bl31           Build the BL31 binary"
307*36eaaf37SIan Spray	@echo "  checkcodebase  Check the coding style of the entire source tree"
308*36eaaf37SIan Spray	@echo "  checkpatch     Check the coding style on changes in the current"
309*36eaaf37SIan Spray	@echo "                 branch against BASE_COMMIT (default origin/master)"
31072ee3314SRyan Harkin	@echo "  clean          Clean the build for the selected platform"
31135fab8c9SJoakim Bech	@echo "  cscope     Generate cscope index"
31272ee3314SRyan Harkin	@echo "  distclean      Remove all build artifacts for all platforms"
31372ee3314SRyan Harkin	@echo "  dump           Generate object file dumps"
31472ee3314SRyan Harkin	@echo ""
31572ee3314SRyan Harkin	@echo "note: most build targets require PLAT to be set to a specific platform."
31672ee3314SRyan Harkin	@echo ""
31772ee3314SRyan Harkin	@echo "example: build all targets for the FVP platform:"
31872ee3314SRyan Harkin	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
319