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 io_storage.o 64 65ARCH ?= aarch64 66 67# By default, build all platforms available 68PLAT ?= all 69 70BUILD_BASE := ./build 71BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 72BUILD_BL1 := ${BUILD_PLAT}/bl1 73BUILD_BL2 := ${BUILD_PLAT}/bl2 74BUILD_BL31 := ${BUILD_PLAT}/bl31 75BUILD_DIRS := ${BUILD_BL1} ${BUILD_BL2} ${BUILD_BL31} 76 77PLATFORMS := $(shell ls -I common plat/) 78HELP_PLATFORMS := $(shell echo ${PLATFORMS} | sed 's/ /|/g') 79 80ifeq (${PLAT},) 81 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform.") 82endif 83ifeq ($(findstring ${PLAT},${PLATFORMS} all),) 84 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") 85endif 86 87ifeq (${PLAT},all) 88all: ${PLATFORMS} 89else 90all: msg_start bl1 bl2 bl31 91endif 92 93msg_start: 94 @echo "Building ${PLAT}" 95 96${PLATFORMS}: 97 ${MAKE} PLAT=$@ all 98 99ifneq (${PLAT},all) 100 $(info Including ${PLAT}/platform.mk) 101 include plat/${PLAT}/platform.mk 102 $(info Including bl1.mk) 103 include bl1/bl1.mk 104 $(info Including bl2.mk) 105 include bl2/bl2.mk 106 $(info Including bl31.mk) 107 include bl31/bl31.mk 108endif 109 110.PHONY: all msg_start ${PLATFORMS} dump clean realclean distclean bl1 bl2 bl31 cscope locate-checkpatch checkcodebase checkpatch 111.SUFFIXES: 112 113 114BL1_OBJS := $(addprefix ${BUILD_BL1}/,${BL1_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 115BL2_OBJS := $(addprefix ${BUILD_BL2}/,${BL2_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 116BL31_OBJS := $(addprefix ${BUILD_BL31}/,${BL31_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 117BL1_MAPFILE := $(addprefix ${BUILD_BL1}/,${BL1_MAPFILE}) 118BL2_MAPFILE := $(addprefix ${BUILD_BL2}/,${BL2_MAPFILE}) 119BL31_MAPFILE := $(addprefix ${BUILD_BL31}/,${BL31_MAPFILE}) 120BL1_LINKERFILE := $(addprefix ${BUILD_BL1}/,${BL1_LINKERFILE}) 121BL2_LINKERFILE := $(addprefix ${BUILD_BL2}/,${BL2_LINKERFILE}) 122BL31_LINKERFILE := $(addprefix ${BUILD_BL31}/,${BL31_LINKERFILE}) 123 124 125INCLUDES += -Ilib/include/ \ 126 -Idrivers/io \ 127 -Iinclude/${ARCH}/ \ 128 -Iinclude/ \ 129 -Iarch/system/gic \ 130 -Icommon/psci \ 131 -Iinclude/stdlib \ 132 -Iinclude/stdlib/sys \ 133 -Iplat/${PLAT} \ 134 ${PLAT_INCLUDES} 135 136ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 137 -mgeneral-regs-only -D__ASSEMBLY__ ${INCLUDES} \ 138 -DDEBUG=${DEBUG} 139CFLAGS := -nostdinc -pedantic -ffreestanding -Wall \ 140 -Werror -mgeneral-regs-only -std=c99 -c -Os \ 141 -DDEBUG=${DEBUG} ${INCLUDES} ${CFLAGS} 142 143LDFLAGS += --fatal-warnings -O1 144BL1_LDFLAGS := -Map=${BL1_MAPFILE} --script ${BL1_LINKERFILE} --entry=${BL1_ENTRY_POINT} 145BL2_LDFLAGS := -Map=${BL2_MAPFILE} --script ${BL2_LINKERFILE} --entry=${BL2_ENTRY_POINT} 146BL31_LDFLAGS := -Map=${BL31_MAPFILE} --script ${BL31_LINKERFILE} --entry=${BL31_ENTRY_POINT} 147 148 149vpath %.ld.S bl1:bl2:bl31 150vpath %.c bl1:bl2:bl31 151vpath %.c bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 152vpath %.S bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 153 154 155ifneq (${DEBUG}, 0) 156#CFLAGS += -g -O0 157CFLAGS += -g 158# -save-temps -fverbose-asm 159ASFLAGS += -g -Wa,--gdwarf-2 160else 161CFLAGS += -DNDEBUG=1 162endif 163 164 165CC := ${CROSS_COMPILE}gcc 166CPP := ${CROSS_COMPILE}cpp 167AS := ${CROSS_COMPILE}gcc 168AR := ${CROSS_COMPILE}ar 169LD := ${CROSS_COMPILE}ld 170OC := ${CROSS_COMPILE}objcopy 171OD := ${CROSS_COMPILE}objdump 172NM := ${CROSS_COMPILE}nm 173PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} 174 175 176bl1: ${BUILD_BL1} ${BUILD_PLAT}/bl1.bin 177bl2: ${BUILD_BL2} ${BUILD_PLAT}/bl2.bin 178bl31: ${BUILD_BL31} ${BUILD_PLAT}/bl31.bin 179 180BASE_COMMIT ?= origin/master 181 182ifeq (${PLAT},all) 183 ifeq (${MAKECMDGOALS},clean) 184 $(error "Please select a platform with PLAT=<platform>. You can use 'make distclean' to clean up all platform builds") 185 endif 186endif 187 188locate-checkpatch: 189ifndef CHECKPATCH 190 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl") 191else 192ifeq (,$(wildcard ${CHECKPATCH})) 193 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl") 194endif 195endif 196 197clean: 198 @echo " CLEAN" 199 ${Q}rm -rf ${BUILD_PLAT} 200 201realclean distclean: 202 @echo " REALCLEAN" 203 ${Q}rm -rf ${BUILD_BASE} 204 ${Q}rm -f ${CURDIR}/cscope.* 205 206dump: 207 @echo " OBJDUMP" 208 ${Q}${OD} -d ${BUILD_BL1}/bl1.elf > ${BUILD_BL1}/bl1.dump 209 ${Q}${OD} -d ${BUILD_BL2}/bl2.elf > ${BUILD_BL2}/bl2.dump 210 ${Q}${OD} -d ${BUILD_BL31}/bl31.elf > ${BUILD_BL31}/bl31.dump 211 212checkcodebase: locate-checkpatch 213 @echo " CHECKING STYLE" 214 @if test -d .git ; then \ 215 git ls-files | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \ 216 else \ 217 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 218 fi 219 220checkpatch: locate-checkpatch 221 @echo " CHECKING STYLE" 222 @git format-patch --stdout ${BASE_COMMIT} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true 223 224${BUILD_DIRS}: 225 ${Q}mkdir -p "$@" 226 227 228${BUILD_BL1}/%.o: %.S 229 @echo " AS $<" 230 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 231 232${BUILD_BL2}/%.o: %.S 233 @echo " AS $<" 234 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 235 236${BUILD_BL31}/%.o: %.S 237 @echo " AS $<" 238 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 239 240${BUILD_BL1}/%.o: %.c 241 @echo " CC $<" 242 ${Q}${CC} ${CFLAGS} -c $< -o $@ 243 244${BUILD_BL2}/%.o: %.c 245 @echo " CC $<" 246 ${Q}${CC} ${CFLAGS} -c $< -o $@ 247 248${BUILD_BL31}/%.o: %.c 249 @echo " CC $<" 250 ${Q}${CC} ${CFLAGS} -c $< -o $@ 251 252${BUILD_BL1}/%.ld: %.ld.S 253 @echo " PP $<" 254 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 255 256${BUILD_BL2}/%.ld: %.ld.S 257 @echo " PP $<" 258 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 259 260${BUILD_BL31}/%.ld: %.ld.S 261 @echo " PP $<" 262 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 263 264 265${BUILD_BL1}/bl1.elf: ${BL1_OBJS} ${BL1_LINKERFILE} 266 @echo " LD $@" 267 ${Q}${LD} -o $@ ${LDFLAGS} ${BL1_LDFLAGS} ${BL1_OBJS} 268 269${BUILD_BL2}/bl2.elf: ${BL2_OBJS} ${BL2_LINKERFILE} 270 @echo " LD $@" 271 ${Q}${LD} -o $@ ${LDFLAGS} ${BL2_LDFLAGS} ${BL2_OBJS} 272 273${BUILD_BL31}/bl31.elf: ${BL31_OBJS} ${BL31_LINKERFILE} 274 @echo " LD $@" 275 ${Q}${LD} -o $@ ${LDFLAGS} ${BL31_LDFLAGS} ${BL31_OBJS} 276 277${BUILD_PLAT}/bl1.bin: ${BUILD_BL1}/bl1.elf 278 @echo " BIN $@" 279 ${Q}${OC} -O binary $< $@ 280 @echo 281 @echo "Built $@ successfully" 282 @echo 283 284${BUILD_PLAT}/bl2.bin: ${BUILD_BL2}/bl2.elf 285 @echo " BIN $@" 286 ${Q}${OC} -O binary $< $@ 287 @echo 288 @echo "Built $@ successfully" 289 @echo 290 291${BUILD_PLAT}/bl31.bin: ${BUILD_BL31}/bl31.elf 292 @echo " BIN $@" 293 ${Q}${OC} -O binary $< $@ 294 @echo 295 @echo "Built $@ successfully" 296 @echo 297 298cscope: 299 @echo " CSCOPE" 300 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 301 ${Q}cscope -b -q -k 302 303help: 304 @echo "usage: ${MAKE} PLAT=<all|${HELP_PLATFORMS}> <all|bl1|bl2|bl31|distclean|clean|checkcodebase|checkpatch|dump>" 305 @echo "" 306 @echo "PLAT is used to specify which platform you wish to build." 307 @echo "" 308 @echo "Supported Targets:" 309 @echo " all Build the BL1, BL2 and BL31 binaries" 310 @echo " bl1 Build the BL1 binary" 311 @echo " bl2 Build the BL2 binary" 312 @echo " bl31 Build the BL31 binary" 313 @echo " checkcodebase Check the coding style of the entire source tree" 314 @echo " checkpatch Check the coding style on changes in the current" 315 @echo " branch against BASE_COMMIT (default origin/master)" 316 @echo " clean Clean the build for the selected platform" 317 @echo " cscope Generate cscope index" 318 @echo " distclean Remove all build artifacts for all platforms" 319 @echo " dump Generate object file dumps" 320 @echo "" 321 @echo "note: most build targets require PLAT to be set to a specific platform." 322 @echo "" 323 @echo "example: build all targets for the FVP platform:" 324 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 325