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# Decrease the verbosity of the make script 32# can be made verbose by passing V=1 at the make command line 33ifdef V 34 KBUILD_VERBOSE = ${V} 35else 36 KBUILD_VERBOSE = 0 37endif 38 39CHECKPATCH_ARGS = --no-tree --no-signoff 40CHECKCODE_ARGS = --no-patch --no-tree --no-signoff 41 42ifeq "${KBUILD_VERBOSE}" "0" 43 Q=@ 44 CHECKCODE_ARGS += --no-summary --terse 45else 46 Q= 47endif 48 49DEBUG ?= 0 50 51ifneq (${DEBUG}, 0) 52 BUILD_TYPE := debug 53else 54 BUILD_TYPE := release 55endif 56 57BL_COMMON_OBJS := misc_helpers.o \ 58 cache_helpers.o \ 59 tlb_helpers.o \ 60 std.o \ 61 bl_common.o \ 62 platform_helpers.o 63 64ARCH ?= aarch64 65 66# By default, build all platforms available 67PLAT ?= all 68 69BUILD_BASE := ./build 70BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 71BUILD_BL1 := ${BUILD_PLAT}/bl1 72BUILD_BL2 := ${BUILD_PLAT}/bl2 73BUILD_BL31 := ${BUILD_PLAT}/bl31 74BUILD_DIRS := ${BUILD_BL1} ${BUILD_BL2} ${BUILD_BL31} 75 76PLATFORMS := $(shell ls -I common plat/) 77HELP_PLATFORMS := $(shell echo ${PLATFORMS} | sed 's/ /|/g') 78 79ifeq (${PLAT},) 80 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform.") 81endif 82ifeq ($(findstring ${PLAT},${PLATFORMS} all),) 83 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") 84endif 85 86ifeq (${PLAT},all) 87all: ${PLATFORMS} 88else 89all: msg_start bl1 bl2 bl31 90endif 91 92msg_start: 93 @echo "Building ${PLAT}" 94 95${PLATFORMS}: 96 ${MAKE} PLAT=$@ all 97 98ifneq (${PLAT},all) 99 $(info Including ${PLAT}/platform.mk) 100 include plat/${PLAT}/platform.mk 101 $(info Including bl1.mk) 102 include bl1/bl1.mk 103 $(info Including bl2.mk) 104 include bl2/bl2.mk 105 $(info Including bl31.mk) 106 include bl31/bl31.mk 107endif 108 109.PHONY: all msg_start ${PLATFORMS} dump clean realclean distclean bl1 bl2 bl31 cscope locate-checkpatch checkcodebase checkpatch 110.SUFFIXES: 111 112 113BL1_OBJS := $(addprefix ${BUILD_BL1}/,${BL1_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 114BL2_OBJS := $(addprefix ${BUILD_BL2}/,${BL2_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 115BL31_OBJS := $(addprefix ${BUILD_BL31}/,${BL31_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 116BL1_MAPFILE := $(addprefix ${BUILD_BL1}/,${BL1_MAPFILE}) 117BL2_MAPFILE := $(addprefix ${BUILD_BL2}/,${BL2_MAPFILE}) 118BL31_MAPFILE := $(addprefix ${BUILD_BL31}/,${BL31_MAPFILE}) 119BL1_LINKERFILE := $(addprefix ${BUILD_BL1}/,${BL1_LINKERFILE}) 120BL2_LINKERFILE := $(addprefix ${BUILD_BL2}/,${BL2_LINKERFILE}) 121BL31_LINKERFILE := $(addprefix ${BUILD_BL31}/,${BL31_LINKERFILE}) 122 123INCLUDES += -Ilib/include/ \ 124 -Iinclude/${ARCH}/ \ 125 -Iinclude/ \ 126 -Iarch/system/gic \ 127 -Icommon/psci \ 128 -Iinclude/stdlib \ 129 -Iinclude/stdlib/sys \ 130 -Iplat/${PLAT} \ 131 ${PLAT_INCLUDES} 132 133ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 134 -mgeneral-regs-only -D__ASSEMBLY__ ${INCLUDES} \ 135 -DDEBUG=${DEBUG} 136CFLAGS := -nostdinc -pedantic -ffreestanding -Wall \ 137 -Werror -mgeneral-regs-only -std=c99 -c -Os \ 138 -DDEBUG=${DEBUG} ${INCLUDES} ${CFLAGS} 139 140LDFLAGS += --fatal-warnings -O1 141BL1_LDFLAGS := -Map=${BL1_MAPFILE} --script ${BL1_LINKERFILE} --entry=${BL1_ENTRY_POINT} 142BL2_LDFLAGS := -Map=${BL2_MAPFILE} --script ${BL2_LINKERFILE} --entry=${BL2_ENTRY_POINT} 143BL31_LDFLAGS := -Map=${BL31_MAPFILE} --script ${BL31_LINKERFILE} --entry=${BL31_ENTRY_POINT} 144 145 146vpath %.ld.S bl1:bl2:bl31 147vpath %.c bl1:bl2:bl31 148vpath %.c bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 149vpath %.S bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 150 151 152ifneq (${DEBUG}, 0) 153#CFLAGS += -g -O0 154CFLAGS += -g 155# -save-temps -fverbose-asm 156ASFLAGS += -g -Wa,--gdwarf-2 157endif 158 159 160CC := ${CROSS_COMPILE}gcc 161CPP := ${CROSS_COMPILE}cpp 162AS := ${CROSS_COMPILE}gcc 163AR := ${CROSS_COMPILE}ar 164LD := ${CROSS_COMPILE}ld 165OC := ${CROSS_COMPILE}objcopy 166OD := ${CROSS_COMPILE}objdump 167NM := ${CROSS_COMPILE}nm 168PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} 169 170 171bl1: ${BUILD_BL1} ${BUILD_PLAT}/bl1.bin 172bl2: ${BUILD_BL2} ${BUILD_PLAT}/bl2.bin 173bl31: ${BUILD_BL31} ${BUILD_PLAT}/bl31.bin 174 175BASE_COMMIT ?= origin/master 176 177ifeq (${PLAT},all) 178 ifeq (${MAKECMDGOALS},clean) 179 $(error "Please select a platform with PLAT=<platform>. You can use 'make distclean' to clean up all platform builds") 180 endif 181endif 182 183locate-checkpatch: 184ifndef CHECKPATCH 185 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl") 186else 187ifeq (,$(wildcard ${CHECKPATCH})) 188 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl") 189endif 190endif 191 192clean: 193 @echo " CLEAN" 194 ${Q}rm -rf ${BUILD_PLAT} 195 196realclean distclean: 197 @echo " REALCLEAN" 198 ${Q}rm -rf ${BUILD_BASE} 199 ${Q}rm -f ${CURDIR}/cscope.* 200 201dump: 202 @echo " OBJDUMP" 203 ${Q}${OD} -d ${BUILD_BL1}/bl1.elf > ${BUILD_BL1}/bl1.dump 204 ${Q}${OD} -d ${BUILD_BL2}/bl2.elf > ${BUILD_BL2}/bl2.dump 205 ${Q}${OD} -d ${BUILD_BL31}/bl31.elf > ${BUILD_BL31}/bl31.dump 206 207checkcodebase: locate-checkpatch 208 @echo " CHECKING STYLE" 209 @if test -d .git ; then \ 210 git ls-files | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \ 211 else \ 212 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 213 fi 214 215checkpatch: locate-checkpatch 216 @echo " CHECKING STYLE" 217 @git format-patch --stdout ${BASE_COMMIT} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true 218 219${BUILD_DIRS}: 220 ${Q}mkdir -p "$@" 221 222 223${BUILD_BL1}/%.o: %.S 224 @echo " AS $<" 225 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 226 227${BUILD_BL2}/%.o: %.S 228 @echo " AS $<" 229 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 230 231${BUILD_BL31}/%.o: %.S 232 @echo " AS $<" 233 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 234 235${BUILD_BL1}/%.o: %.c 236 @echo " CC $<" 237 ${Q}${CC} ${CFLAGS} -c $< -o $@ 238 239${BUILD_BL2}/%.o: %.c 240 @echo " CC $<" 241 ${Q}${CC} ${CFLAGS} -c $< -o $@ 242 243${BUILD_BL31}/%.o: %.c 244 @echo " CC $<" 245 ${Q}${CC} ${CFLAGS} -c $< -o $@ 246 247${BUILD_BL1}/%.ld: %.ld.S 248 @echo " PP $<" 249 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 250 251${BUILD_BL2}/%.ld: %.ld.S 252 @echo " PP $<" 253 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 254 255${BUILD_BL31}/%.ld: %.ld.S 256 @echo " PP $<" 257 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 258 259 260${BUILD_BL1}/bl1.elf: ${BL1_OBJS} ${BL1_LINKERFILE} 261 @echo " LD $@" 262 ${Q}${LD} -o $@ ${LDFLAGS} ${BL1_LDFLAGS} ${BL1_OBJS} 263 264${BUILD_BL2}/bl2.elf: ${BL2_OBJS} ${BL2_LINKERFILE} 265 @echo " LD $@" 266 ${Q}${LD} -o $@ ${LDFLAGS} ${BL2_LDFLAGS} ${BL2_OBJS} 267 268${BUILD_BL31}/bl31.elf: ${BL31_OBJS} ${BL31_LINKERFILE} 269 @echo " LD $@" 270 ${Q}${LD} -o $@ ${LDFLAGS} ${BL31_LDFLAGS} ${BL31_OBJS} 271 272${BUILD_PLAT}/bl1.bin: ${BUILD_BL1}/bl1.elf 273 @echo " BIN $@" 274 ${Q}${OC} -O binary $< $@ 275 @echo 276 @echo "Built $@ successfully" 277 @echo 278 279${BUILD_PLAT}/bl2.bin: ${BUILD_BL2}/bl2.elf 280 @echo " BIN $@" 281 ${Q}${OC} -O binary $< $@ 282 @echo 283 @echo "Built $@ successfully" 284 @echo 285 286${BUILD_PLAT}/bl31.bin: ${BUILD_BL31}/bl31.elf 287 @echo " BIN $@" 288 ${Q}${OC} -O binary $< $@ 289 @echo 290 @echo "Built $@ successfully" 291 @echo 292 293cscope: 294 @echo " CSCOPE" 295 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 296 ${Q}cscope -b -q -k 297 298help: 299 @echo "usage: ${MAKE} PLAT=<all|${HELP_PLATFORMS}> <all|bl1|bl2|bl31|distclean|clean|checkcodebase|checkpatch|dump>" 300 @echo "" 301 @echo "PLAT is used to specify which platform you wish to build." 302 @echo "" 303 @echo "Supported Targets:" 304 @echo " all Build the BL1, BL2 and BL31 binaries" 305 @echo " bl1 Build the BL1 binary" 306 @echo " bl2 Build the BL2 binary" 307 @echo " bl31 Build the BL31 binary" 308 @echo " checkcodebase Check the coding style of the entire source tree" 309 @echo " checkpatch Check the coding style on changes in the current" 310 @echo " branch against BASE_COMMIT (default origin/master)" 311 @echo " clean Clean the build for the selected platform" 312 @echo " cscope Generate cscope index" 313 @echo " distclean Remove all build artifacts for all platforms" 314 @echo " dump Generate object file dumps" 315 @echo "" 316 @echo "note: most build targets require PLAT to be set to a specific platform." 317 @echo "" 318 @echo "example: build all targets for the FVP platform:" 319 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 320