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 fip 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 fiptool fip locate-bl33 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 181 182# Variables for use with Firmware Image Package 183FIPTOOLPATH ?= tools/fip_create 184FIPTOOL ?= ${FIPTOOLPATH}/fip_create 185fiptool: ${FIPTOOL} 186fip: ${BUILD_PLAT}/fip.bin 187 188ifeq (${PLAT},all) 189 ifeq (${MAKECMDGOALS},clean) 190 $(error "Please select a platform with PLAT=<platform>. You can use 'make distclean' to clean up all platform builds") 191 endif 192endif 193 194locate-checkpatch: 195ifndef CHECKPATCH 196 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl") 197else 198ifeq (,$(wildcard ${CHECKPATCH})) 199 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl") 200endif 201endif 202 203locate-bl33: 204ifndef BL33 205 $(error "Please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd") 206else 207ifeq (,$(wildcard ${BL33})) 208 $(error "The file BL33 points to cannot be found (${BL33})") 209endif 210endif 211 212 213clean: 214 @echo " CLEAN" 215 ${Q}rm -rf ${BUILD_PLAT} 216 ${Q}make -C ${FIPTOOLPATH} clean 217 218realclean distclean: 219 @echo " REALCLEAN" 220 ${Q}rm -rf ${BUILD_BASE} 221 ${Q}rm -f ${CURDIR}/cscope.* 222 ${Q}make -C ${FIPTOOLPATH} clean 223 224dump: 225 @echo " OBJDUMP" 226 ${Q}${OD} -d ${BUILD_BL1}/bl1.elf > ${BUILD_BL1}/bl1.dump 227 ${Q}${OD} -d ${BUILD_BL2}/bl2.elf > ${BUILD_BL2}/bl2.dump 228 ${Q}${OD} -d ${BUILD_BL31}/bl31.elf > ${BUILD_BL31}/bl31.dump 229 230checkcodebase: locate-checkpatch 231 @echo " CHECKING STYLE" 232 @if test -d .git ; then \ 233 git ls-files | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \ 234 else \ 235 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 236 fi 237 238checkpatch: locate-checkpatch 239 @echo " CHECKING STYLE" 240 @git format-patch --stdout ${BASE_COMMIT} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true 241 242${FIPTOOL}: 243 @echo " BUILDING FIRMWARE IMAGE PACKAGE TOOL $@" 244 @echo 245 ${Q}make -C ${FIPTOOLPATH} 246 @echo 247 248${BUILD_DIRS}: 249 ${Q}mkdir -p "$@" 250 251 252${BUILD_BL1}/%.o: %.S 253 @echo " AS $<" 254 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 255 256${BUILD_BL2}/%.o: %.S 257 @echo " AS $<" 258 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 259 260${BUILD_BL31}/%.o: %.S 261 @echo " AS $<" 262 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 263 264${BUILD_BL1}/%.o: %.c 265 @echo " CC $<" 266 ${Q}${CC} ${CFLAGS} -c $< -o $@ 267 268${BUILD_BL2}/%.o: %.c 269 @echo " CC $<" 270 ${Q}${CC} ${CFLAGS} -c $< -o $@ 271 272${BUILD_BL31}/%.o: %.c 273 @echo " CC $<" 274 ${Q}${CC} ${CFLAGS} -c $< -o $@ 275 276${BUILD_BL1}/%.ld: %.ld.S 277 @echo " PP $<" 278 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 279 280${BUILD_BL2}/%.ld: %.ld.S 281 @echo " PP $<" 282 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 283 284${BUILD_BL31}/%.ld: %.ld.S 285 @echo " PP $<" 286 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 287 288 289${BUILD_BL1}/bl1.elf: ${BL1_OBJS} ${BL1_LINKERFILE} 290 @echo " LD $@" 291 ${Q}${LD} -o $@ ${LDFLAGS} ${BL1_LDFLAGS} ${BL1_OBJS} 292 293${BUILD_BL2}/bl2.elf: ${BL2_OBJS} ${BL2_LINKERFILE} 294 @echo " LD $@" 295 ${Q}${LD} -o $@ ${LDFLAGS} ${BL2_LDFLAGS} ${BL2_OBJS} 296 297${BUILD_BL31}/bl31.elf: ${BL31_OBJS} ${BL31_LINKERFILE} 298 @echo " LD $@" 299 ${Q}${LD} -o $@ ${LDFLAGS} ${BL31_LDFLAGS} ${BL31_OBJS} 300 301${BUILD_PLAT}/bl1.bin: ${BUILD_BL1}/bl1.elf 302 @echo " BIN $@" 303 ${Q}${OC} -O binary $< $@ 304 @echo 305 @echo "Built $@ successfully" 306 @echo 307 308${BUILD_PLAT}/bl2.bin: ${BUILD_BL2}/bl2.elf 309 @echo " BIN $@" 310 ${Q}${OC} -O binary $< $@ 311 @echo 312 @echo "Built $@ successfully" 313 @echo 314 315${BUILD_PLAT}/bl31.bin: ${BUILD_BL31}/bl31.elf 316 @echo " BIN $@" 317 ${Q}${OC} -O binary $< $@ 318 @echo 319 @echo "Built $@ successfully" 320 @echo 321 322${BUILD_PLAT}/fip.bin: bl2 bl31 locate-bl33 ${FIPTOOL} 323 @echo " CREATE FIRMWARE IMAGE PACKAGE $@" 324 @echo 325 ${Q}${FIPTOOL} --dump \ 326 --bl2 ${BUILD_PLAT}/bl2.bin \ 327 --bl31 ${BUILD_PLAT}/bl31.bin \ 328 --bl33 ${BL33} \ 329 $@ 330 @echo 331 332 333cscope: 334 @echo " CSCOPE" 335 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 336 ${Q}cscope -b -q -k 337 338help: 339 @echo "usage: ${MAKE} PLAT=<all|${HELP_PLATFORMS}> <all|bl1|bl2|bl31|distclean|clean|checkcodebase|checkpatch|dump>" 340 @echo "" 341 @echo "PLAT is used to specify which platform you wish to build." 342 @echo "" 343 @echo "Supported Targets:" 344 @echo " all Build the BL1, BL2 and BL31 binaries" 345 @echo " bl1 Build the BL1 binary" 346 @echo " bl2 Build the BL2 binary" 347 @echo " bl31 Build the BL31 binary" 348 @echo " checkcodebase Check the coding style of the entire source tree" 349 @echo " checkpatch Check the coding style on changes in the current" 350 @echo " branch against BASE_COMMIT (default origin/master)" 351 @echo " clean Clean the build for the selected platform" 352 @echo " cscope Generate cscope index" 353 @echo " distclean Remove all build artifacts for all platforms" 354 @echo " dump Generate object file dumps" 355 @echo " fiptool Build the Firmware Image Package(FIP) creation tool" 356 @echo "" 357 @echo "note: most build targets require PLAT to be set to a specific platform." 358 @echo "" 359 @echo "example: build all targets for the FVP platform:" 360 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 361