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# By default, build no SPD component 74SPD ?= none 75 76BUILD_BASE := ./build 77BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 78BUILD_BL1 := ${BUILD_PLAT}/bl1 79BUILD_BL2 := ${BUILD_PLAT}/bl2 80BUILD_BL31 := ${BUILD_PLAT}/bl31 81BUILD_DIRS := ${BUILD_BL1} ${BUILD_BL2} ${BUILD_BL31} 82 83PLATFORMS := $(shell ls -I common plat/) 84SPDS := $(shell ls -I none services/spd) 85HELP_PLATFORMS := $(shell echo ${PLATFORMS} | sed 's/ /|/g') 86 87ifeq (${PLAT},) 88 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform.") 89endif 90ifeq ($(findstring ${PLAT},${PLATFORMS} all),) 91 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") 92endif 93 94ifeq (${PLAT},all) 95all: ${PLATFORMS} 96else 97all: msg_start bl1 bl2 bl31 fip 98endif 99 100msg_start: 101 @echo "Building ${PLAT}" 102 103${PLATFORMS}: 104 ${MAKE} PLAT=$@ all 105 106ifneq (${PLAT},all) 107 $(info Including ${PLAT}/platform.mk) 108 include plat/${PLAT}/platform.mk 109 $(info Including bl1.mk) 110 include bl1/bl1.mk 111 $(info Including bl2.mk) 112 include bl2/bl2.mk 113 $(info Including bl31.mk) 114 include bl31/bl31.mk 115endif 116 117# Include SPD Makefile if one has been specified 118ifneq (${SPD},none) 119 # We expect to locate an spd.mk under the specified SPD directory 120 SPD_MAKE := $(shell m="services/spd/${SPD}/${SPD}.mk"; [ -f "$$m" ] && echo "$$m") 121 122 ifeq (${SPD_MAKE},) 123 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 124 endif 125 $(info Including ${SPD_MAKE}) 126 include ${SPD_MAKE} 127 128 # If there's BL32 companion for the chosen SPD, and the SPD wants to build the 129 # BL2 from source, we expect that the SPD's Makefile would set NEED_BL32 130 # variable to "yes" 131endif 132 133.PHONY: all msg_start ${PLATFORMS} dump clean realclean distclean bl1 bl2 bl31 cscope locate-checkpatch checkcodebase checkpatch fiptool fip locate-bl33 134.SUFFIXES: 135 136 137BL1_OBJS := $(addprefix ${BUILD_BL1}/,${BL1_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 138BL2_OBJS := $(addprefix ${BUILD_BL2}/,${BL2_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 139BL31_OBJS := $(addprefix ${BUILD_BL31}/,${BL31_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS} ${SPD_OBJS}) 140BL1_MAPFILE := $(addprefix ${BUILD_BL1}/,${BL1_MAPFILE}) 141BL2_MAPFILE := $(addprefix ${BUILD_BL2}/,${BL2_MAPFILE}) 142BL31_MAPFILE := $(addprefix ${BUILD_BL31}/,${BL31_MAPFILE}) 143BL1_LINKERFILE := $(addprefix ${BUILD_BL1}/,${BL1_LINKERFILE}) 144BL2_LINKERFILE := $(addprefix ${BUILD_BL2}/,${BL2_LINKERFILE}) 145BL31_LINKERFILE := $(addprefix ${BUILD_BL31}/,${BL31_LINKERFILE}) 146 147INCLUDES += -Ilib/include/ \ 148 -Idrivers/io \ 149 -Iinclude/${ARCH}/ \ 150 -Iinclude/ \ 151 -Iarch/system/gic \ 152 -Iservices/psci \ 153 -Iinclude/stdlib \ 154 -Iinclude/stdlib/sys \ 155 -Iplat/${PLAT} \ 156 ${PLAT_INCLUDES} \ 157 ${SPD_INCLUDES} 158 159ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 160 -mgeneral-regs-only -D__ASSEMBLY__ ${INCLUDES} \ 161 -DDEBUG=${DEBUG} 162CFLAGS := -nostdinc -pedantic -ffreestanding -Wall \ 163 -Werror -mgeneral-regs-only -std=c99 -c -Os \ 164 -DDEBUG=${DEBUG} ${INCLUDES} ${CFLAGS} 165 166LDFLAGS += --fatal-warnings -O1 167BL1_LDFLAGS := -Map=${BL1_MAPFILE} --script ${BL1_LINKERFILE} --entry=${BL1_ENTRY_POINT} 168BL2_LDFLAGS := -Map=${BL2_MAPFILE} --script ${BL2_LINKERFILE} --entry=${BL2_ENTRY_POINT} 169BL31_LDFLAGS := -Map=${BL31_MAPFILE} --script ${BL31_LINKERFILE} --entry=${BL31_ENTRY_POINT} 170 171 172vpath %.ld.S bl1:bl2:bl31 173vpath %.c bl1:bl2:bl31 174vpath %.c bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 175vpath %.S bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 176 177 178ifneq (${DEBUG}, 0) 179#CFLAGS += -g -O0 180CFLAGS += -g 181# -save-temps -fverbose-asm 182ASFLAGS += -g -Wa,--gdwarf-2 183else 184CFLAGS += -DNDEBUG=1 185endif 186 187 188CC := ${CROSS_COMPILE}gcc 189CPP := ${CROSS_COMPILE}cpp 190AS := ${CROSS_COMPILE}gcc 191AR := ${CROSS_COMPILE}ar 192LD := ${CROSS_COMPILE}ld 193OC := ${CROSS_COMPILE}objcopy 194OD := ${CROSS_COMPILE}objdump 195NM := ${CROSS_COMPILE}nm 196PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} 197 198 199bl1: ${BUILD_BL1} ${BUILD_PLAT}/bl1.bin 200bl2: ${BUILD_BL2} ${BUILD_PLAT}/bl2.bin 201bl31: ${BUILD_BL31} ${BUILD_PLAT}/bl31.bin 202 203BASE_COMMIT ?= origin/master 204 205# Variables for use with Firmware Image Package 206FIPTOOLPATH ?= tools/fip_create 207FIPTOOL ?= ${FIPTOOLPATH}/fip_create 208fiptool: ${FIPTOOL} 209fip: ${BUILD_PLAT}/fip.bin 210 211ifeq (${PLAT},all) 212 ifeq (${MAKECMDGOALS},clean) 213 $(error "Please select a platform with PLAT=<platform>. You can use 'make distclean' to clean up all platform builds") 214 endif 215endif 216 217locate-checkpatch: 218ifndef CHECKPATCH 219 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl") 220else 221ifeq (,$(wildcard ${CHECKPATCH})) 222 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl") 223endif 224endif 225 226locate-bl33: 227ifndef BL33 228 $(error "Please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd") 229else 230ifeq (,$(wildcard ${BL33})) 231 $(error "The file BL33 points to cannot be found (${BL33})") 232endif 233endif 234 235 236# If BL32 needs to be built, provide necessary build rules and targets 237ifeq (${NEED_BL32},yes) 238BUILD_BL32 := ${BUILD_PLAT}/bl32 239BUILD_DIRS += ${BUILD_BL32} 240 241BL32_OBJS := $(addprefix ${BUILD_BL32}/,${BL32_OBJS}) 242BL32_MAPFILE := $(addprefix ${BUILD_BL32}/,${BL32_MAPFILE}) 243BL32_LINKERFILE := $(addprefix ${BUILD_BL32}/,${BL32_LINKERFILE}) 244BL32_LDFLAGS := -Map=${BL32_MAPFILE} --script ${BL32_LINKERFILE} --entry=${BL32_ENTRY_POINT} 245 246bl32: ${BUILD_BL32} ${BUILD_PLAT}/bl32.bin 247all: bl32 248dump: bl32_dump 249.PHONY: bl32 250 251# Add BL32 image to FIP's input image list 252FIP_DEPS := bl32 253FIP_ARGS := --bl32 ${BUILD_PLAT}/bl32.bin 254 255${BUILD_BL32}/%.o: %.S 256 @echo " AS $<" 257 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 258 259${BUILD_BL32}/%.o: %.c 260 @echo " CC $<" 261 ${Q}${CC} ${CFLAGS} -c $< -o $@ 262 263${BUILD_BL32}/%.ld: %.ld.S 264 @echo " PP $<" 265 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 266 267${BUILD_BL32}/bl32.elf: ${BL32_OBJS} ${BL32_LINKERFILE} 268 @echo " LD $@" 269 ${Q}${LD} -o $@ ${LDFLAGS} ${BL32_LDFLAGS} ${BL32_OBJS} 270 271${BUILD_PLAT}/bl32.bin: ${BUILD_BL32}/bl32.elf 272 @echo " BIN $@" 273 ${Q}${OC} -O binary $< $@ 274 @echo 275 @echo "Built $@ successfully" 276 @echo 277 278bl32_dump: 279 ${Q}${OD} -d ${BUILD_BL32}/bl32.elf > ${BUILD_BL32}/bl32.dump 280endif 281 282 283clean: 284 @echo " CLEAN" 285 ${Q}rm -rf ${BUILD_PLAT} 286 ${Q}make -C ${FIPTOOLPATH} clean 287 288realclean distclean: 289 @echo " REALCLEAN" 290 ${Q}rm -rf ${BUILD_BASE} 291 ${Q}rm -f ${CURDIR}/cscope.* 292 ${Q}make -C ${FIPTOOLPATH} clean 293 294dump: 295 @echo " OBJDUMP" 296 ${Q}${OD} -d ${BUILD_BL1}/bl1.elf > ${BUILD_BL1}/bl1.dump 297 ${Q}${OD} -d ${BUILD_BL2}/bl2.elf > ${BUILD_BL2}/bl2.dump 298 ${Q}${OD} -d ${BUILD_BL31}/bl31.elf > ${BUILD_BL31}/bl31.dump 299 300checkcodebase: locate-checkpatch 301 @echo " CHECKING STYLE" 302 @if test -d .git ; then \ 303 git ls-files | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \ 304 else \ 305 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 306 fi 307 308checkpatch: locate-checkpatch 309 @echo " CHECKING STYLE" 310 @git format-patch --stdout ${BASE_COMMIT} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true 311 312${FIPTOOL}: 313 @echo " BUILDING FIRMWARE IMAGE PACKAGE TOOL $@" 314 @echo 315 ${Q}make -C ${FIPTOOLPATH} 316 @echo 317 318${BUILD_DIRS}: 319 ${Q}mkdir -p "$@" 320 321 322${BUILD_BL1}/%.o: %.S 323 @echo " AS $<" 324 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 325 326${BUILD_BL2}/%.o: %.S 327 @echo " AS $<" 328 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 329 330${BUILD_BL31}/%.o: %.S 331 @echo " AS $<" 332 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 333 334${BUILD_BL1}/%.o: %.c 335 @echo " CC $<" 336 ${Q}${CC} ${CFLAGS} -c $< -o $@ 337 338${BUILD_BL2}/%.o: %.c 339 @echo " CC $<" 340 ${Q}${CC} ${CFLAGS} -c $< -o $@ 341 342${BUILD_BL31}/%.o: %.c 343 @echo " CC $<" 344 ${Q}${CC} ${CFLAGS} -c $< -o $@ 345 346${BUILD_BL1}/%.ld: %.ld.S 347 @echo " PP $<" 348 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 349 350${BUILD_BL2}/%.ld: %.ld.S 351 @echo " PP $<" 352 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 353 354${BUILD_BL31}/%.ld: %.ld.S 355 @echo " PP $<" 356 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 357 358 359${BUILD_BL1}/bl1.elf: ${BL1_OBJS} ${BL1_LINKERFILE} 360 @echo " LD $@" 361 ${Q}${LD} -o $@ ${LDFLAGS} ${BL1_LDFLAGS} ${BL1_OBJS} 362 363${BUILD_BL2}/bl2.elf: ${BL2_OBJS} ${BL2_LINKERFILE} 364 @echo " LD $@" 365 ${Q}${LD} -o $@ ${LDFLAGS} ${BL2_LDFLAGS} ${BL2_OBJS} 366 367${BUILD_BL31}/bl31.elf: ${BL31_OBJS} ${BL31_LINKERFILE} 368 @echo " LD $@" 369 ${Q}${LD} -o $@ ${LDFLAGS} ${BL31_LDFLAGS} ${BL31_OBJS} 370 371${BUILD_PLAT}/bl1.bin: ${BUILD_BL1}/bl1.elf 372 @echo " BIN $@" 373 ${Q}${OC} -O binary $< $@ 374 @echo 375 @echo "Built $@ successfully" 376 @echo 377 378${BUILD_PLAT}/bl2.bin: ${BUILD_BL2}/bl2.elf 379 @echo " BIN $@" 380 ${Q}${OC} -O binary $< $@ 381 @echo 382 @echo "Built $@ successfully" 383 @echo 384 385${BUILD_PLAT}/bl31.bin: ${BUILD_BL31}/bl31.elf 386 @echo " BIN $@" 387 ${Q}${OC} -O binary $< $@ 388 @echo 389 @echo "Built $@ successfully" 390 @echo 391 392${BUILD_PLAT}/fip.bin: bl2 bl31 ${FIP_DEPS} locate-bl33 ${FIPTOOL} 393 @echo " CREATE FIRMWARE IMAGE PACKAGE $@" 394 @echo 395 ${Q}${FIPTOOL} --dump \ 396 --bl2 ${BUILD_PLAT}/bl2.bin \ 397 --bl31 ${BUILD_PLAT}/bl31.bin \ 398 --bl33 ${BL33} \ 399 ${FIP_ARGS} \ 400 $@ 401 @echo 402 403 404cscope: 405 @echo " CSCOPE" 406 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 407 ${Q}cscope -b -q -k 408 409help: 410 @echo "usage: ${MAKE} PLAT=<all|${HELP_PLATFORMS}> <all|bl1|bl2|bl31|distclean|clean|checkcodebase|checkpatch|dump>" 411 @echo "" 412 @echo "PLAT is used to specify which platform you wish to build." 413 @echo "" 414 @echo "Supported Targets:" 415 @echo " all Build the BL1, BL31 binaries" 416 @echo " bl1 Build the BL1 binary" 417 @echo " bl31 Build the BL31 binary" 418 @echo " checkcodebase Check the coding style of the entire source tree" 419 @echo " checkpatch Check the coding style on changes in the current" 420 @echo " branch against BASE_COMMIT (default origin/master)" 421 @echo " clean Clean the build for the selected platform" 422 @echo " cscope Generate cscope index" 423 @echo " distclean Remove all build artifacts for all platforms" 424 @echo " dump Generate object file dumps" 425 @echo " fiptool Build the Firmware Image Package(FIP) creation tool" 426 @echo "" 427 @echo "note: most build targets require PLAT to be set to a specific platform." 428 @echo "" 429 @echo "example: build all targets for the FVP platform:" 430 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 431