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 39# Checkpatch ignores 40CHECK_IGNORE = --ignore COMPLEX_MACRO 41 42CHECKPATCH_ARGS = --no-tree --no-signoff ${CHECK_IGNORE} 43CHECKCODE_ARGS = --no-patch --no-tree --no-signoff ${CHECK_IGNORE} 44 45ifeq "${KBUILD_VERBOSE}" "0" 46 Q=@ 47 CHECKCODE_ARGS += --no-summary --terse 48else 49 Q= 50endif 51 52DEBUG ?= 0 53 54ifneq (${DEBUG}, 0) 55 BUILD_TYPE := debug 56else 57 BUILD_TYPE := release 58endif 59 60BL_COMMON_OBJS := misc_helpers.o \ 61 cache_helpers.o \ 62 tlb_helpers.o \ 63 std.o \ 64 bl_common.o \ 65 platform_helpers.o \ 66 io_storage.o 67 68ARCH ?= aarch64 69 70# By default, build all platforms available 71PLAT ?= all 72 73BUILD_BASE := ./build 74BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 75BUILD_BL1 := ${BUILD_PLAT}/bl1 76BUILD_BL2 := ${BUILD_PLAT}/bl2 77BUILD_BL31 := ${BUILD_PLAT}/bl31 78BUILD_DIRS := ${BUILD_BL1} ${BUILD_BL2} ${BUILD_BL31} 79 80PLATFORMS := $(shell ls -I common plat/) 81HELP_PLATFORMS := $(shell echo ${PLATFORMS} | sed 's/ /|/g') 82 83ifeq (${PLAT},) 84 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform.") 85endif 86ifeq ($(findstring ${PLAT},${PLATFORMS} all),) 87 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") 88endif 89 90ifeq (${PLAT},all) 91all: ${PLATFORMS} 92else 93all: msg_start bl1 bl2 bl31 fip 94endif 95 96msg_start: 97 @echo "Building ${PLAT}" 98 99${PLATFORMS}: 100 ${MAKE} PLAT=$@ all 101 102ifneq (${PLAT},all) 103 $(info Including ${PLAT}/platform.mk) 104 include plat/${PLAT}/platform.mk 105 $(info Including bl1.mk) 106 include bl1/bl1.mk 107 $(info Including bl2.mk) 108 include bl2/bl2.mk 109 $(info Including bl31.mk) 110 include bl31/bl31.mk 111endif 112 113.PHONY: all msg_start ${PLATFORMS} dump clean realclean distclean bl1 bl2 bl31 cscope locate-checkpatch checkcodebase checkpatch fiptool fip locate-bl33 114.SUFFIXES: 115 116 117BL1_OBJS := $(addprefix ${BUILD_BL1}/,${BL1_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 118BL2_OBJS := $(addprefix ${BUILD_BL2}/,${BL2_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 119BL31_OBJS := $(addprefix ${BUILD_BL31}/,${BL31_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 120BL1_MAPFILE := $(addprefix ${BUILD_BL1}/,${BL1_MAPFILE}) 121BL2_MAPFILE := $(addprefix ${BUILD_BL2}/,${BL2_MAPFILE}) 122BL31_MAPFILE := $(addprefix ${BUILD_BL31}/,${BL31_MAPFILE}) 123BL1_LINKERFILE := $(addprefix ${BUILD_BL1}/,${BL1_LINKERFILE}) 124BL2_LINKERFILE := $(addprefix ${BUILD_BL2}/,${BL2_LINKERFILE}) 125BL31_LINKERFILE := $(addprefix ${BUILD_BL31}/,${BL31_LINKERFILE}) 126 127 128INCLUDES += -Ilib/include/ \ 129 -Idrivers/io \ 130 -Iinclude/${ARCH}/ \ 131 -Iinclude/ \ 132 -Iarch/system/gic \ 133 -Icommon/psci \ 134 -Iinclude/stdlib \ 135 -Iinclude/stdlib/sys \ 136 -Iplat/${PLAT} \ 137 ${PLAT_INCLUDES} 138 139ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 140 -mgeneral-regs-only -D__ASSEMBLY__ ${INCLUDES} \ 141 -DDEBUG=${DEBUG} 142CFLAGS := -nostdinc -pedantic -ffreestanding -Wall \ 143 -Werror -mgeneral-regs-only -std=c99 -c -Os \ 144 -DDEBUG=${DEBUG} ${INCLUDES} ${CFLAGS} 145 146LDFLAGS += --fatal-warnings -O1 147BL1_LDFLAGS := -Map=${BL1_MAPFILE} --script ${BL1_LINKERFILE} --entry=${BL1_ENTRY_POINT} 148BL2_LDFLAGS := -Map=${BL2_MAPFILE} --script ${BL2_LINKERFILE} --entry=${BL2_ENTRY_POINT} 149BL31_LDFLAGS := -Map=${BL31_MAPFILE} --script ${BL31_LINKERFILE} --entry=${BL31_ENTRY_POINT} 150 151 152vpath %.ld.S bl1:bl2:bl31 153vpath %.c bl1:bl2:bl31 154vpath %.c bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 155vpath %.S bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 156 157 158ifneq (${DEBUG}, 0) 159#CFLAGS += -g -O0 160CFLAGS += -g 161# -save-temps -fverbose-asm 162ASFLAGS += -g -Wa,--gdwarf-2 163else 164CFLAGS += -DNDEBUG=1 165endif 166 167 168CC := ${CROSS_COMPILE}gcc 169CPP := ${CROSS_COMPILE}cpp 170AS := ${CROSS_COMPILE}gcc 171AR := ${CROSS_COMPILE}ar 172LD := ${CROSS_COMPILE}ld 173OC := ${CROSS_COMPILE}objcopy 174OD := ${CROSS_COMPILE}objdump 175NM := ${CROSS_COMPILE}nm 176PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} 177 178 179bl1: ${BUILD_BL1} ${BUILD_PLAT}/bl1.bin 180bl2: ${BUILD_BL2} ${BUILD_PLAT}/bl2.bin 181bl31: ${BUILD_BL31} ${BUILD_PLAT}/bl31.bin 182 183BASE_COMMIT ?= origin/master 184 185# Variables for use with Firmware Image Package 186FIPTOOLPATH ?= tools/fip_create 187FIPTOOL ?= ${FIPTOOLPATH}/fip_create 188fiptool: ${FIPTOOL} 189fip: ${BUILD_PLAT}/fip.bin 190 191ifeq (${PLAT},all) 192 ifeq (${MAKECMDGOALS},clean) 193 $(error "Please select a platform with PLAT=<platform>. You can use 'make distclean' to clean up all platform builds") 194 endif 195endif 196 197locate-checkpatch: 198ifndef CHECKPATCH 199 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl") 200else 201ifeq (,$(wildcard ${CHECKPATCH})) 202 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl") 203endif 204endif 205 206locate-bl33: 207ifndef BL33 208 $(error "Please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd") 209else 210ifeq (,$(wildcard ${BL33})) 211 $(error "The file BL33 points to cannot be found (${BL33})") 212endif 213endif 214 215 216clean: 217 @echo " CLEAN" 218 ${Q}rm -rf ${BUILD_PLAT} 219 ${Q}make -C ${FIPTOOLPATH} clean 220 221realclean distclean: 222 @echo " REALCLEAN" 223 ${Q}rm -rf ${BUILD_BASE} 224 ${Q}rm -f ${CURDIR}/cscope.* 225 ${Q}make -C ${FIPTOOLPATH} clean 226 227dump: 228 @echo " OBJDUMP" 229 ${Q}${OD} -d ${BUILD_BL1}/bl1.elf > ${BUILD_BL1}/bl1.dump 230 ${Q}${OD} -d ${BUILD_BL2}/bl2.elf > ${BUILD_BL2}/bl2.dump 231 ${Q}${OD} -d ${BUILD_BL31}/bl31.elf > ${BUILD_BL31}/bl31.dump 232 233checkcodebase: locate-checkpatch 234 @echo " CHECKING STYLE" 235 @if test -d .git ; then \ 236 git ls-files | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \ 237 else \ 238 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 239 fi 240 241checkpatch: locate-checkpatch 242 @echo " CHECKING STYLE" 243 @git format-patch --stdout ${BASE_COMMIT} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true 244 245${FIPTOOL}: 246 @echo " BUILDING FIRMWARE IMAGE PACKAGE TOOL $@" 247 @echo 248 ${Q}make -C ${FIPTOOLPATH} 249 @echo 250 251${BUILD_DIRS}: 252 ${Q}mkdir -p "$@" 253 254 255${BUILD_BL1}/%.o: %.S 256 @echo " AS $<" 257 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 258 259${BUILD_BL2}/%.o: %.S 260 @echo " AS $<" 261 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 262 263${BUILD_BL31}/%.o: %.S 264 @echo " AS $<" 265 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 266 267${BUILD_BL1}/%.o: %.c 268 @echo " CC $<" 269 ${Q}${CC} ${CFLAGS} -c $< -o $@ 270 271${BUILD_BL2}/%.o: %.c 272 @echo " CC $<" 273 ${Q}${CC} ${CFLAGS} -c $< -o $@ 274 275${BUILD_BL31}/%.o: %.c 276 @echo " CC $<" 277 ${Q}${CC} ${CFLAGS} -c $< -o $@ 278 279${BUILD_BL1}/%.ld: %.ld.S 280 @echo " PP $<" 281 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 282 283${BUILD_BL2}/%.ld: %.ld.S 284 @echo " PP $<" 285 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 286 287${BUILD_BL31}/%.ld: %.ld.S 288 @echo " PP $<" 289 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 290 291 292${BUILD_BL1}/bl1.elf: ${BL1_OBJS} ${BL1_LINKERFILE} 293 @echo " LD $@" 294 ${Q}${LD} -o $@ ${LDFLAGS} ${BL1_LDFLAGS} ${BL1_OBJS} 295 296${BUILD_BL2}/bl2.elf: ${BL2_OBJS} ${BL2_LINKERFILE} 297 @echo " LD $@" 298 ${Q}${LD} -o $@ ${LDFLAGS} ${BL2_LDFLAGS} ${BL2_OBJS} 299 300${BUILD_BL31}/bl31.elf: ${BL31_OBJS} ${BL31_LINKERFILE} 301 @echo " LD $@" 302 ${Q}${LD} -o $@ ${LDFLAGS} ${BL31_LDFLAGS} ${BL31_OBJS} 303 304${BUILD_PLAT}/bl1.bin: ${BUILD_BL1}/bl1.elf 305 @echo " BIN $@" 306 ${Q}${OC} -O binary $< $@ 307 @echo 308 @echo "Built $@ successfully" 309 @echo 310 311${BUILD_PLAT}/bl2.bin: ${BUILD_BL2}/bl2.elf 312 @echo " BIN $@" 313 ${Q}${OC} -O binary $< $@ 314 @echo 315 @echo "Built $@ successfully" 316 @echo 317 318${BUILD_PLAT}/bl31.bin: ${BUILD_BL31}/bl31.elf 319 @echo " BIN $@" 320 ${Q}${OC} -O binary $< $@ 321 @echo 322 @echo "Built $@ successfully" 323 @echo 324 325${BUILD_PLAT}/fip.bin: bl2 bl31 locate-bl33 ${FIPTOOL} 326 @echo " CREATE FIRMWARE IMAGE PACKAGE $@" 327 @echo 328 ${Q}${FIPTOOL} --dump \ 329 --bl2 ${BUILD_PLAT}/bl2.bin \ 330 --bl31 ${BUILD_PLAT}/bl31.bin \ 331 --bl33 ${BL33} \ 332 $@ 333 @echo 334 335 336cscope: 337 @echo " CSCOPE" 338 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 339 ${Q}cscope -b -q -k 340 341help: 342 @echo "usage: ${MAKE} PLAT=<all|${HELP_PLATFORMS}> <all|bl1|bl2|bl31|distclean|clean|checkcodebase|checkpatch|dump>" 343 @echo "" 344 @echo "PLAT is used to specify which platform you wish to build." 345 @echo "" 346 @echo "Supported Targets:" 347 @echo " all Build the BL1, BL2 and BL31 binaries" 348 @echo " bl1 Build the BL1 binary" 349 @echo " bl2 Build the BL2 binary" 350 @echo " bl31 Build the BL31 binary" 351 @echo " checkcodebase Check the coding style of the entire source tree" 352 @echo " checkpatch Check the coding style on changes in the current" 353 @echo " branch against BASE_COMMIT (default origin/master)" 354 @echo " clean Clean the build for the selected platform" 355 @echo " cscope Generate cscope index" 356 @echo " distclean Remove all build artifacts for all platforms" 357 @echo " dump Generate object file dumps" 358 @echo " fiptool Build the Firmware Image Package(FIP) creation tool" 359 @echo "" 360 @echo "note: most build targets require PLAT to be set to a specific platform." 361 @echo "" 362 @echo "example: build all targets for the FVP platform:" 363 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 364