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 xlat_helpers.o \ 64 std.o \ 65 bl_common.o \ 66 platform_helpers.o \ 67 io_storage.o 68 69ARCH ?= aarch64 70 71# By default, build all platforms available 72PLAT ?= all 73 74BUILD_BASE := ./build 75BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 76BUILD_BL1 := ${BUILD_PLAT}/bl1 77BUILD_BL2 := ${BUILD_PLAT}/bl2 78BUILD_BL31 := ${BUILD_PLAT}/bl31 79BUILD_DIRS := ${BUILD_BL1} ${BUILD_BL2} ${BUILD_BL31} 80 81PLATFORMS := $(shell ls -I common plat/) 82HELP_PLATFORMS := $(shell echo ${PLATFORMS} | sed 's/ /|/g') 83 84ifeq (${PLAT},) 85 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform.") 86endif 87ifeq ($(findstring ${PLAT},${PLATFORMS} all),) 88 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") 89endif 90 91ifeq (${PLAT},all) 92all: ${PLATFORMS} 93else 94all: msg_start bl1 bl2 bl31 fip 95endif 96 97msg_start: 98 @echo "Building ${PLAT}" 99 100${PLATFORMS}: 101 ${MAKE} PLAT=$@ all 102 103ifneq (${PLAT},all) 104 $(info Including ${PLAT}/platform.mk) 105 include plat/${PLAT}/platform.mk 106 $(info Including bl1.mk) 107 include bl1/bl1.mk 108 $(info Including bl2.mk) 109 include bl2/bl2.mk 110 $(info Including bl31.mk) 111 include bl31/bl31.mk 112endif 113 114.PHONY: all msg_start ${PLATFORMS} dump clean realclean distclean bl1 bl2 bl31 cscope locate-checkpatch checkcodebase checkpatch fiptool fip locate-bl33 115.SUFFIXES: 116 117 118BL1_OBJS := $(addprefix ${BUILD_BL1}/,${BL1_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 119BL2_OBJS := $(addprefix ${BUILD_BL2}/,${BL2_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 120BL31_OBJS := $(addprefix ${BUILD_BL31}/,${BL31_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 121BL1_MAPFILE := $(addprefix ${BUILD_BL1}/,${BL1_MAPFILE}) 122BL2_MAPFILE := $(addprefix ${BUILD_BL2}/,${BL2_MAPFILE}) 123BL31_MAPFILE := $(addprefix ${BUILD_BL31}/,${BL31_MAPFILE}) 124BL1_LINKERFILE := $(addprefix ${BUILD_BL1}/,${BL1_LINKERFILE}) 125BL2_LINKERFILE := $(addprefix ${BUILD_BL2}/,${BL2_LINKERFILE}) 126BL31_LINKERFILE := $(addprefix ${BUILD_BL31}/,${BL31_LINKERFILE}) 127 128 129INCLUDES += -Ilib/include/ \ 130 -Idrivers/io \ 131 -Iinclude/${ARCH}/ \ 132 -Iinclude/ \ 133 -Iarch/system/gic \ 134 -Iservices/psci \ 135 -Iinclude/stdlib \ 136 -Iinclude/stdlib/sys \ 137 -Iplat/${PLAT} \ 138 ${PLAT_INCLUDES} 139 140ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 141 -mgeneral-regs-only -D__ASSEMBLY__ ${INCLUDES} \ 142 -DDEBUG=${DEBUG} 143CFLAGS := -nostdinc -pedantic -ffreestanding -Wall \ 144 -Werror -mgeneral-regs-only -std=c99 -c -Os \ 145 -DDEBUG=${DEBUG} ${INCLUDES} ${CFLAGS} 146 147LDFLAGS += --fatal-warnings -O1 148BL1_LDFLAGS := -Map=${BL1_MAPFILE} --script ${BL1_LINKERFILE} --entry=${BL1_ENTRY_POINT} 149BL2_LDFLAGS := -Map=${BL2_MAPFILE} --script ${BL2_LINKERFILE} --entry=${BL2_ENTRY_POINT} 150BL31_LDFLAGS := -Map=${BL31_MAPFILE} --script ${BL31_LINKERFILE} --entry=${BL31_ENTRY_POINT} 151 152 153vpath %.ld.S bl1:bl2:bl31 154vpath %.c bl1:bl2:bl31 155vpath %.c bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 156vpath %.S bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 157 158 159ifneq (${DEBUG}, 0) 160#CFLAGS += -g -O0 161CFLAGS += -g 162# -save-temps -fverbose-asm 163ASFLAGS += -g -Wa,--gdwarf-2 164else 165CFLAGS += -DNDEBUG=1 166endif 167 168 169CC := ${CROSS_COMPILE}gcc 170CPP := ${CROSS_COMPILE}cpp 171AS := ${CROSS_COMPILE}gcc 172AR := ${CROSS_COMPILE}ar 173LD := ${CROSS_COMPILE}ld 174OC := ${CROSS_COMPILE}objcopy 175OD := ${CROSS_COMPILE}objdump 176NM := ${CROSS_COMPILE}nm 177PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} 178 179 180bl1: ${BUILD_BL1} ${BUILD_PLAT}/bl1.bin 181bl2: ${BUILD_BL2} ${BUILD_PLAT}/bl2.bin 182bl31: ${BUILD_BL31} ${BUILD_PLAT}/bl31.bin 183 184BASE_COMMIT ?= origin/master 185 186# Variables for use with Firmware Image Package 187FIPTOOLPATH ?= tools/fip_create 188FIPTOOL ?= ${FIPTOOLPATH}/fip_create 189fiptool: ${FIPTOOL} 190fip: ${BUILD_PLAT}/fip.bin 191 192ifeq (${PLAT},all) 193 ifeq (${MAKECMDGOALS},clean) 194 $(error "Please select a platform with PLAT=<platform>. You can use 'make distclean' to clean up all platform builds") 195 endif 196endif 197 198locate-checkpatch: 199ifndef CHECKPATCH 200 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl") 201else 202ifeq (,$(wildcard ${CHECKPATCH})) 203 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl") 204endif 205endif 206 207locate-bl33: 208ifndef BL33 209 $(error "Please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd") 210else 211ifeq (,$(wildcard ${BL33})) 212 $(error "The file BL33 points to cannot be found (${BL33})") 213endif 214endif 215 216 217clean: 218 @echo " CLEAN" 219 ${Q}rm -rf ${BUILD_PLAT} 220 ${Q}make -C ${FIPTOOLPATH} clean 221 222realclean distclean: 223 @echo " REALCLEAN" 224 ${Q}rm -rf ${BUILD_BASE} 225 ${Q}rm -f ${CURDIR}/cscope.* 226 ${Q}make -C ${FIPTOOLPATH} clean 227 228dump: 229 @echo " OBJDUMP" 230 ${Q}${OD} -d ${BUILD_BL1}/bl1.elf > ${BUILD_BL1}/bl1.dump 231 ${Q}${OD} -d ${BUILD_BL2}/bl2.elf > ${BUILD_BL2}/bl2.dump 232 ${Q}${OD} -d ${BUILD_BL31}/bl31.elf > ${BUILD_BL31}/bl31.dump 233 234checkcodebase: locate-checkpatch 235 @echo " CHECKING STYLE" 236 @if test -d .git ; then \ 237 git ls-files | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \ 238 else \ 239 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 240 fi 241 242checkpatch: locate-checkpatch 243 @echo " CHECKING STYLE" 244 @git format-patch --stdout ${BASE_COMMIT} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true 245 246${FIPTOOL}: 247 @echo " BUILDING FIRMWARE IMAGE PACKAGE TOOL $@" 248 @echo 249 ${Q}make -C ${FIPTOOLPATH} 250 @echo 251 252${BUILD_DIRS}: 253 ${Q}mkdir -p "$@" 254 255 256${BUILD_BL1}/%.o: %.S 257 @echo " AS $<" 258 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 259 260${BUILD_BL2}/%.o: %.S 261 @echo " AS $<" 262 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 263 264${BUILD_BL31}/%.o: %.S 265 @echo " AS $<" 266 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 267 268${BUILD_BL1}/%.o: %.c 269 @echo " CC $<" 270 ${Q}${CC} ${CFLAGS} -c $< -o $@ 271 272${BUILD_BL2}/%.o: %.c 273 @echo " CC $<" 274 ${Q}${CC} ${CFLAGS} -c $< -o $@ 275 276${BUILD_BL31}/%.o: %.c 277 @echo " CC $<" 278 ${Q}${CC} ${CFLAGS} -c $< -o $@ 279 280${BUILD_BL1}/%.ld: %.ld.S 281 @echo " PP $<" 282 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 283 284${BUILD_BL2}/%.ld: %.ld.S 285 @echo " PP $<" 286 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 287 288${BUILD_BL31}/%.ld: %.ld.S 289 @echo " PP $<" 290 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 291 292 293${BUILD_BL1}/bl1.elf: ${BL1_OBJS} ${BL1_LINKERFILE} 294 @echo " LD $@" 295 ${Q}${LD} -o $@ ${LDFLAGS} ${BL1_LDFLAGS} ${BL1_OBJS} 296 297${BUILD_BL2}/bl2.elf: ${BL2_OBJS} ${BL2_LINKERFILE} 298 @echo " LD $@" 299 ${Q}${LD} -o $@ ${LDFLAGS} ${BL2_LDFLAGS} ${BL2_OBJS} 300 301${BUILD_BL31}/bl31.elf: ${BL31_OBJS} ${BL31_LINKERFILE} 302 @echo " LD $@" 303 ${Q}${LD} -o $@ ${LDFLAGS} ${BL31_LDFLAGS} ${BL31_OBJS} 304 305${BUILD_PLAT}/bl1.bin: ${BUILD_BL1}/bl1.elf 306 @echo " BIN $@" 307 ${Q}${OC} -O binary $< $@ 308 @echo 309 @echo "Built $@ successfully" 310 @echo 311 312${BUILD_PLAT}/bl2.bin: ${BUILD_BL2}/bl2.elf 313 @echo " BIN $@" 314 ${Q}${OC} -O binary $< $@ 315 @echo 316 @echo "Built $@ successfully" 317 @echo 318 319${BUILD_PLAT}/bl31.bin: ${BUILD_BL31}/bl31.elf 320 @echo " BIN $@" 321 ${Q}${OC} -O binary $< $@ 322 @echo 323 @echo "Built $@ successfully" 324 @echo 325 326${BUILD_PLAT}/fip.bin: bl2 bl31 locate-bl33 ${FIPTOOL} 327 @echo " CREATE FIRMWARE IMAGE PACKAGE $@" 328 @echo 329 ${Q}${FIPTOOL} --dump \ 330 --bl2 ${BUILD_PLAT}/bl2.bin \ 331 --bl31 ${BUILD_PLAT}/bl31.bin \ 332 --bl33 ${BL33} \ 333 $@ 334 @echo 335 336 337cscope: 338 @echo " CSCOPE" 339 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 340 ${Q}cscope -b -q -k 341 342help: 343 @echo "usage: ${MAKE} PLAT=<all|${HELP_PLATFORMS}> <all|bl1|bl2|bl31|distclean|clean|checkcodebase|checkpatch|dump>" 344 @echo "" 345 @echo "PLAT is used to specify which platform you wish to build." 346 @echo "" 347 @echo "Supported Targets:" 348 @echo " all Build the BL1, BL2 and BL31 binaries" 349 @echo " bl1 Build the BL1 binary" 350 @echo " bl2 Build the BL2 binary" 351 @echo " bl31 Build the BL31 binary" 352 @echo " checkcodebase Check the coding style of the entire source tree" 353 @echo " checkpatch Check the coding style on changes in the current" 354 @echo " branch against BASE_COMMIT (default origin/master)" 355 @echo " clean Clean the build for the selected platform" 356 @echo " cscope Generate cscope index" 357 @echo " distclean Remove all build artifacts for all platforms" 358 @echo " dump Generate object file dumps" 359 @echo " fiptool Build the Firmware Image Package(FIP) creation tool" 360 @echo "" 361 @echo "note: most build targets require PLAT to be set to a specific platform." 362 @echo "" 363 @echo "example: build all targets for the FVP platform:" 364 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 365