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 52export Q 53 54DEBUG ?= 0 55 56ifneq (${DEBUG}, 0) 57 BUILD_TYPE := debug 58else 59 BUILD_TYPE := release 60endif 61 62BL_COMMON_OBJS := misc_helpers.o \ 63 cache_helpers.o \ 64 tlb_helpers.o \ 65 xlat_helpers.o \ 66 std.o \ 67 bl_common.o \ 68 platform_helpers.o \ 69 io_storage.o 70 71ARCH ?= aarch64 72 73# By default, build all platforms available 74PLAT ?= all 75# By default, build no SPD component 76SPD ?= none 77 78BUILD_BASE := ./build 79BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 80BUILD_BL1 := ${BUILD_PLAT}/bl1 81BUILD_BL2 := ${BUILD_PLAT}/bl2 82BUILD_BL31 := ${BUILD_PLAT}/bl31 83BUILD_DIRS := ${BUILD_BL1} ${BUILD_BL2} ${BUILD_BL31} 84 85PLATFORMS := $(shell ls -I common plat/) 86SPDS := $(shell ls -I none services/spd) 87HELP_PLATFORMS := $(shell echo ${PLATFORMS} | sed 's/ /|/g') 88 89ifeq (${PLAT},) 90 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform.") 91endif 92ifeq ($(findstring ${PLAT},${PLATFORMS} all),) 93 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") 94endif 95 96ifeq (${PLAT},all) 97all: ${PLATFORMS} 98else 99all: msg_start bl1 bl2 bl31 fip 100endif 101 102msg_start: 103 @echo "Building ${PLAT}" 104 105${PLATFORMS}: 106 ${MAKE} PLAT=$@ all 107 108ifneq (${PLAT},all) 109 $(info Including ${PLAT}/platform.mk) 110 include plat/${PLAT}/platform.mk 111 $(info Including bl1.mk) 112 include bl1/bl1.mk 113 $(info Including bl2.mk) 114 include bl2/bl2.mk 115 $(info Including bl31.mk) 116 include bl31/bl31.mk 117endif 118 119# Include SPD Makefile if one has been specified 120ifneq (${SPD},none) 121 # We expect to locate an spd.mk under the specified SPD directory 122 SPD_MAKE := $(shell m="services/spd/${SPD}/${SPD}.mk"; [ -f "$$m" ] && echo "$$m") 123 124 ifeq (${SPD_MAKE},) 125 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 126 endif 127 $(info Including ${SPD_MAKE}) 128 include ${SPD_MAKE} 129 130 # If there's BL32 companion for the chosen SPD, and the SPD wants to build the 131 # BL2 from source, we expect that the SPD's Makefile would set NEED_BL32 132 # variable to "yes" 133endif 134 135.PHONY: all msg_start ${PLATFORMS} dump clean realclean distclean bl1 bl2 bl31 cscope locate-checkpatch checkcodebase checkpatch fiptool fip locate-bl33 136.SUFFIXES: 137 138 139BL1_OBJS := $(addprefix ${BUILD_BL1}/,${BL1_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 140BL2_OBJS := $(addprefix ${BUILD_BL2}/,${BL2_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 141BL31_OBJS := $(addprefix ${BUILD_BL31}/,${BL31_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS} ${SPD_OBJS}) 142BL1_MAPFILE := $(addprefix ${BUILD_BL1}/,${BL1_MAPFILE}) 143BL2_MAPFILE := $(addprefix ${BUILD_BL2}/,${BL2_MAPFILE}) 144BL31_MAPFILE := $(addprefix ${BUILD_BL31}/,${BL31_MAPFILE}) 145BL1_LINKERFILE := $(addprefix ${BUILD_BL1}/,${BL1_LINKERFILE}) 146BL2_LINKERFILE := $(addprefix ${BUILD_BL2}/,${BL2_LINKERFILE}) 147BL31_LINKERFILE := $(addprefix ${BUILD_BL31}/,${BL31_LINKERFILE}) 148 149INCLUDES += -Ilib/include/ \ 150 -Idrivers/io \ 151 -Iinclude/${ARCH}/ \ 152 -Iinclude/ \ 153 -Iarch/system/gic \ 154 -Iservices/psci \ 155 -Iinclude/stdlib \ 156 -Iinclude/stdlib/sys \ 157 -Iplat/${PLAT} \ 158 ${PLAT_INCLUDES} \ 159 ${SPD_INCLUDES} 160 161ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 162 -mgeneral-regs-only -D__ASSEMBLY__ ${INCLUDES} \ 163 -DDEBUG=${DEBUG} 164CFLAGS := -nostdinc -pedantic -ffreestanding -Wall \ 165 -Werror -mgeneral-regs-only -std=c99 -c -Os \ 166 -DDEBUG=${DEBUG} ${INCLUDES} ${CFLAGS} 167 168LDFLAGS += --fatal-warnings -O1 169BL1_LDFLAGS := -Map=${BL1_MAPFILE} --script ${BL1_LINKERFILE} --entry=${BL1_ENTRY_POINT} 170BL2_LDFLAGS := -Map=${BL2_MAPFILE} --script ${BL2_LINKERFILE} --entry=${BL2_ENTRY_POINT} 171BL31_LDFLAGS := -Map=${BL31_MAPFILE} --script ${BL31_LINKERFILE} --entry=${BL31_ENTRY_POINT} 172 173 174vpath %.ld.S bl1:bl2:bl31 175vpath %.c bl1:bl2:bl31 176vpath %.c bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 177vpath %.S bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 178 179 180ifneq (${DEBUG}, 0) 181#CFLAGS += -g -O0 182CFLAGS += -g 183# -save-temps -fverbose-asm 184ASFLAGS += -g -Wa,--gdwarf-2 185else 186CFLAGS += -DNDEBUG=1 187endif 188 189 190CC := ${CROSS_COMPILE}gcc 191CPP := ${CROSS_COMPILE}cpp 192AS := ${CROSS_COMPILE}gcc 193AR := ${CROSS_COMPILE}ar 194LD := ${CROSS_COMPILE}ld 195OC := ${CROSS_COMPILE}objcopy 196OD := ${CROSS_COMPILE}objdump 197NM := ${CROSS_COMPILE}nm 198PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} 199 200 201bl1: ${BUILD_BL1} ${BUILD_PLAT}/bl1.bin 202FIP_DEPS += ${BUILD_PLAT}/bl1.bin 203 204bl2: ${BUILD_BL2} ${BUILD_PLAT}/bl2.bin 205FIP_DEPS += ${BUILD_PLAT}/bl2.bin 206 207bl31: ${BUILD_BL31} ${BUILD_PLAT}/bl31.bin 208FIP_DEPS += ${BUILD_PLAT}/bl31.bin 209 210BASE_COMMIT ?= origin/master 211 212# Variables for use with Firmware Image Package 213FIPTOOLPATH ?= tools/fip_create 214FIPTOOL ?= ${FIPTOOLPATH}/fip_create 215fiptool: ${FIPTOOL} 216fip: ${BUILD_PLAT}/fip.bin 217 218ifeq (${PLAT},all) 219 ifeq (${MAKECMDGOALS},clean) 220 $(error "Please select a platform with PLAT=<platform>. You can use 'make distclean' to clean up all platform builds") 221 endif 222endif 223 224locate-checkpatch: 225ifndef CHECKPATCH 226 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl") 227else 228ifeq (,$(wildcard ${CHECKPATCH})) 229 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl") 230endif 231endif 232 233locate-bl33: 234ifndef BL33 235 $(error "Please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd") 236else 237ifeq (,$(wildcard ${BL33})) 238 $(error "The file BL33 points to cannot be found (${BL33})") 239endif 240FIP_DEPS += ${BL33} 241endif 242 243 244# If BL32 needs to be built, provide necessary build rules and targets 245ifeq (${NEED_BL32},yes) 246BUILD_BL32 := ${BUILD_PLAT}/bl32 247BUILD_DIRS += ${BUILD_BL32} 248 249BL32_OBJS := $(addprefix ${BUILD_BL32}/,${BL32_OBJS}) 250BL32_MAPFILE := $(addprefix ${BUILD_BL32}/,${BL32_MAPFILE}) 251BL32_LINKERFILE := $(addprefix ${BUILD_BL32}/,${BL32_LINKERFILE}) 252BL32_LDFLAGS := -Map=${BL32_MAPFILE} --script ${BL32_LINKERFILE} --entry=${BL32_ENTRY_POINT} 253 254bl32: ${BUILD_BL32} ${BUILD_PLAT}/bl32.bin 255all: bl32 256dump: bl32_dump 257.PHONY: bl32 258 259# Add BL32 image to FIP's input image list 260FIP_DEPS := bl32 261FIP_ARGS := --bl32 ${BUILD_PLAT}/bl32.bin 262 263${BUILD_BL32}/%.o: %.S 264 @echo " AS $<" 265 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 266 267${BUILD_BL32}/%.o: %.c 268 @echo " CC $<" 269 ${Q}${CC} ${CFLAGS} -c $< -o $@ 270 271${BUILD_BL32}/%.ld: %.ld.S 272 @echo " PP $<" 273 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 274 275${BUILD_BL32}/bl32.elf: ${BL32_OBJS} ${BL32_LINKERFILE} 276 @echo " LD $@" 277 ${Q}${LD} -o $@ ${LDFLAGS} ${BL32_LDFLAGS} ${BL32_OBJS} 278 279${BUILD_PLAT}/bl32.bin: ${BUILD_BL32}/bl32.elf 280 @echo " BIN $@" 281 ${Q}${OC} -O binary $< $@ 282 @echo 283 @echo "Built $@ successfully" 284 @echo 285 286bl32_dump: 287 ${Q}${OD} -d ${BUILD_BL32}/bl32.elf > ${BUILD_BL32}/bl32.dump 288endif 289 290 291clean: 292 @echo " CLEAN" 293 ${Q}rm -rf ${BUILD_PLAT} 294 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 295 296realclean distclean: 297 @echo " REALCLEAN" 298 ${Q}rm -rf ${BUILD_BASE} 299 ${Q}rm -f ${CURDIR}/cscope.* 300 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 301 302dump: 303 @echo " OBJDUMP" 304 ${Q}${OD} -d ${BUILD_BL1}/bl1.elf > ${BUILD_BL1}/bl1.dump 305 ${Q}${OD} -d ${BUILD_BL2}/bl2.elf > ${BUILD_BL2}/bl2.dump 306 ${Q}${OD} -d ${BUILD_BL31}/bl31.elf > ${BUILD_BL31}/bl31.dump 307 308checkcodebase: locate-checkpatch 309 @echo " CHECKING STYLE" 310 @if test -d .git ; then \ 311 git ls-files | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \ 312 else \ 313 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 314 fi 315 316checkpatch: locate-checkpatch 317 @echo " CHECKING STYLE" 318 @git format-patch --stdout ${BASE_COMMIT} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true 319 320${FIPTOOL}: 321 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} 322 @echo 323 @echo "Built $@ successfully" 324 @echo 325 326${BUILD_DIRS}: 327 ${Q}mkdir -p "$@" 328 329 330${BUILD_BL1}/%.o: %.S 331 @echo " AS $<" 332 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 333 334${BUILD_BL2}/%.o: %.S 335 @echo " AS $<" 336 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 337 338${BUILD_BL31}/%.o: %.S 339 @echo " AS $<" 340 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 341 342${BUILD_BL1}/%.o: %.c 343 @echo " CC $<" 344 ${Q}${CC} ${CFLAGS} -c $< -o $@ 345 346${BUILD_BL2}/%.o: %.c 347 @echo " CC $<" 348 ${Q}${CC} ${CFLAGS} -c $< -o $@ 349 350${BUILD_BL31}/%.o: %.c 351 @echo " CC $<" 352 ${Q}${CC} ${CFLAGS} -c $< -o $@ 353 354${BUILD_BL1}/%.ld: %.ld.S 355 @echo " PP $<" 356 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 357 358${BUILD_BL2}/%.ld: %.ld.S 359 @echo " PP $<" 360 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 361 362${BUILD_BL31}/%.ld: %.ld.S 363 @echo " PP $<" 364 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 365 366 367${BUILD_BL1}/bl1.elf: ${BL1_OBJS} ${BL1_LINKERFILE} 368 @echo " LD $@" 369 ${Q}${LD} -o $@ ${LDFLAGS} ${BL1_LDFLAGS} ${BL1_OBJS} 370 371${BUILD_BL2}/bl2.elf: ${BL2_OBJS} ${BL2_LINKERFILE} 372 @echo " LD $@" 373 ${Q}${LD} -o $@ ${LDFLAGS} ${BL2_LDFLAGS} ${BL2_OBJS} 374 375${BUILD_BL31}/bl31.elf: ${BL31_OBJS} ${BL31_LINKERFILE} 376 @echo " LD $@" 377 ${Q}${LD} -o $@ ${LDFLAGS} ${BL31_LDFLAGS} ${BL31_OBJS} 378 379${BUILD_PLAT}/bl1.bin: ${BUILD_BL1}/bl1.elf 380 @echo " BIN $@" 381 ${Q}${OC} -O binary $< $@ 382 @echo 383 @echo "Built $@ successfully" 384 @echo 385 386${BUILD_PLAT}/bl2.bin: ${BUILD_BL2}/bl2.elf 387 @echo " BIN $@" 388 ${Q}${OC} -O binary $< $@ 389 @echo 390 @echo "Built $@ successfully" 391 @echo 392 393${BUILD_PLAT}/bl31.bin: ${BUILD_BL31}/bl31.elf 394 @echo " BIN $@" 395 ${Q}${OC} -O binary $< $@ 396 @echo 397 @echo "Built $@ successfully" 398 @echo 399 400${BUILD_PLAT}/fip.bin: locate-bl33 ${FIP_DEPS} ${FIPTOOL} 401 ${Q}${FIPTOOL} --dump \ 402 --bl2 ${BUILD_PLAT}/bl2.bin \ 403 --bl31 ${BUILD_PLAT}/bl31.bin \ 404 --bl33 ${BL33} \ 405 ${FIP_ARGS} \ 406 $@ 407 @echo 408 @echo "Built $@ successfully" 409 @echo 410 411 412cscope: 413 @echo " CSCOPE" 414 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 415 ${Q}cscope -b -q -k 416 417help: 418 @echo "usage: ${MAKE} PLAT=<all|${HELP_PLATFORMS}> <all|bl1|bl2|bl31|distclean|clean|checkcodebase|checkpatch|dump>" 419 @echo "" 420 @echo "PLAT is used to specify which platform you wish to build." 421 @echo "" 422 @echo "Supported Targets:" 423 @echo " all Build the BL1, BL2 and BL31 binaries" 424 @echo " bl1 Build the BL1 binary" 425 @echo " bl2 Build the BL2 binary" 426 @echo " bl31 Build the BL31 binary" 427 @echo " checkcodebase Check the coding style of the entire source tree" 428 @echo " checkpatch Check the coding style on changes in the current" 429 @echo " branch against BASE_COMMIT (default origin/master)" 430 @echo " clean Clean the build for the selected platform" 431 @echo " cscope Generate cscope index" 432 @echo " distclean Remove all build artifacts for all platforms" 433 @echo " dump Generate object file dumps" 434 @echo " fiptool Build the Firmware Image Package(FIP) creation tool" 435 @echo "" 436 @echo "note: most build targets require PLAT to be set to a specific platform." 437 @echo "" 438 @echo "example: build all targets for the FVP platform:" 439 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 440