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_SOURCES := misc_helpers.S \ 63 cache_helpers.S \ 64 tlb_helpers.S \ 65 xlat_helpers.c \ 66 std.c \ 67 bl_common.c \ 68 platform_helpers.S \ 69 io_storage.c 70 71ARCH ?= aarch64 72 73# By default, build fvp platform 74DEFAULT_PLAT := fvp 75PLAT ?= ${DEFAULT_PLAT} 76# By default, build no SPD component 77SPD ?= none 78 79BUILD_BASE := ./build 80BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 81 82PLATFORMS := $(shell ls -I common plat/) 83SPDS := $(shell ls -I none services/spd) 84HELP_PLATFORMS := $(shell echo ${PLATFORMS} | sed 's/ /|/g') 85 86ifeq (${PLAT},) 87 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform.") 88endif 89ifeq ($(findstring ${PLAT},${PLATFORMS}),) 90 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") 91endif 92 93all: msg_start 94 95msg_start: 96 @echo "Building ${PLAT}" 97 98include plat/${PLAT}/platform.mk 99 100ifdef BL1_SOURCES 101NEED_BL1 := yes 102include bl1/bl1.mk 103endif 104 105ifdef BL2_SOURCES 106NEED_BL2 := yes 107include bl2/bl2.mk 108endif 109 110ifdef BL31_SOURCES 111NEED_BL31 := yes 112include bl31/bl31.mk 113endif 114 115# Include SPD Makefile if one has been specified 116ifneq (${SPD},none) 117 # We expect to locate an spd.mk under the specified SPD directory 118 SPD_MAKE := $(shell m="services/spd/${SPD}/${SPD}.mk"; [ -f "$$m" ] && echo "$$m") 119 120 ifeq (${SPD_MAKE},) 121 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 122 endif 123 $(info Including ${SPD_MAKE}) 124 include ${SPD_MAKE} 125 126 # If there's BL32 companion for the chosen SPD, and the SPD wants to build the 127 # BL2 from source, we expect that the SPD's Makefile would set NEED_BL32 128 # variable to "yes" 129endif 130 131.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip 132.SUFFIXES: 133 134 135INCLUDES += -Ilib/include/ \ 136 -Idrivers/io \ 137 -Iinclude/${ARCH}/ \ 138 -Iinclude/ \ 139 -Iarch/system/gic \ 140 -Iservices/std_svc/psci \ 141 -Iinclude/stdlib \ 142 -Iinclude/stdlib/sys \ 143 -Iplat/${PLAT} \ 144 ${PLAT_INCLUDES} \ 145 ${SPD_INCLUDES} 146 147ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 148 -mgeneral-regs-only -D__ASSEMBLY__ ${INCLUDES} \ 149 -DDEBUG=${DEBUG} 150CFLAGS := -nostdinc -pedantic -ffreestanding -Wall \ 151 -Werror -mgeneral-regs-only -std=c99 -c -Os \ 152 -DDEBUG=${DEBUG} ${INCLUDES} ${CFLAGS} 153CFLAGS += -ffunction-sections -fdata-sections 154 155LDFLAGS += --fatal-warnings -O1 156LDFLAGS += --gc-sections 157 158 159vpath %.ld.S bl1:bl2:bl31 160vpath %.c bl1:bl2:bl31 161vpath %.c bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 162vpath %.S bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 163vpath %.c lib/arch/${ARCH} # One of the missing paths needed for BL_COMMON_SOURCES 164 165 166ifneq (${DEBUG}, 0) 167#CFLAGS += -g -O0 168CFLAGS += -g 169# -save-temps -fverbose-asm 170ASFLAGS += -g -Wa,--gdwarf-2 171else 172CFLAGS += -DNDEBUG=1 173endif 174 175 176CC := ${CROSS_COMPILE}gcc 177CPP := ${CROSS_COMPILE}cpp 178AS := ${CROSS_COMPILE}gcc 179AR := ${CROSS_COMPILE}ar 180LD := ${CROSS_COMPILE}ld 181OC := ${CROSS_COMPILE}objcopy 182OD := ${CROSS_COMPILE}objdump 183NM := ${CROSS_COMPILE}nm 184PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} 185 186BASE_COMMIT ?= origin/master 187 188# Variables for use with Firmware Image Package 189FIPTOOLPATH ?= tools/fip_create 190FIPTOOL ?= ${FIPTOOLPATH}/fip_create 191fiptool: ${FIPTOOL} 192fip: ${BUILD_PLAT}/fip.bin 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 203clean: 204 @echo " CLEAN" 205 ${Q}rm -rf ${BUILD_PLAT} 206 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 207 208realclean distclean: 209 @echo " REALCLEAN" 210 ${Q}rm -rf ${BUILD_BASE} 211 ${Q}rm -f ${CURDIR}/cscope.* 212 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 213 214checkcodebase: locate-checkpatch 215 @echo " CHECKING STYLE" 216 @if test -d .git ; then \ 217 git ls-files | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \ 218 else \ 219 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 220 fi 221 222checkpatch: locate-checkpatch 223 @echo " CHECKING STYLE" 224 @git format-patch --stdout ${BASE_COMMIT} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true 225 226${FIPTOOL}: 227 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} 228 @echo 229 @echo "Built $@ successfully" 230 @echo 231 232define match_goals 233$(strip $(foreach goal,$(1),$(filter $(goal),$(MAKECMDGOALS)))) 234endef 235 236# List of rules that involve building things 237BUILD_TARGETS := all bl1 bl2 bl31 bl32 fip 238 239# Does the list of goals specified on the command line include a build target? 240ifneq ($(call match_goals,${BUILD_TARGETS}),) 241IS_ANYTHING_TO_BUILD := 1 242endif 243 244define MAKE_C 245 246$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 247$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 248 249$(OBJ) : $(2) 250 @echo " CC $$<" 251 $$(Q)$$(CC) $$(CFLAGS) -c $$< -o $$@ 252 253 254$(PREREQUISITES) : $(2) 255 @echo " DEPS $$@" 256 @mkdir -p $(1) 257 $$(Q)$$(CC) $$(CFLAGS) -M -MT $(OBJ) -MF $$@ $$< 258 259ifdef IS_ANYTHING_TO_BUILD 260-include $(PREREQUISITES) 261endif 262 263endef 264 265 266define MAKE_S 267 268$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 269$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 270 271$(OBJ) : $(2) 272 @echo " AS $$<" 273 $$(Q)$$(AS) $$(ASFLAGS) -c $$< -o $$@ 274 275$(PREREQUISITES) : $(2) 276 @echo " DEPS $$@" 277 @mkdir -p $(1) 278 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(OBJ) -MF $$@ $$< 279 280ifdef IS_ANYTHING_TO_BUILD 281-include $(PREREQUISITES) 282endif 283 284endef 285 286 287define MAKE_LD 288 289$(eval PREREQUISITES := $(1).d) 290 291$(1) : $(2) 292 @echo " PP $$<" 293 $$(Q)$$(AS) $$(ASFLAGS) -P -E -o $$@ $$< 294 295$(PREREQUISITES) : $(2) 296 @echo " DEPS $$@" 297 @mkdir -p $$(dir $$@) 298 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(1) -MF $$@ $$< 299 300ifdef IS_ANYTHING_TO_BUILD 301-include $(PREREQUISITES) 302endif 303 304endef 305 306 307define MAKE_OBJS 308 $(eval C_OBJS := $(filter %.c,$(2))) 309 $(eval REMAIN := $(filter-out %.c,$(2))) 310 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj)))) 311 312 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 313 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 314 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj)))) 315 316 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 317endef 318 319 320# NOTE: The line continuation '\' is required in the next define otherwise we 321# end up with a line-feed characer at the end of the last c filename. 322# Also bare this issue in mind if extending the list of supported filetypes. 323define SOURCES_TO_OBJS 324 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 325 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 326endef 327 328define MAKE_BL 329 $(eval BUILD_DIR := ${BUILD_PLAT}/bl$(1)) 330 $(eval SOURCES := $(BL$(1)_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)) 331 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 332 $(eval LINKERFILE := $(BUILD_DIR)/bl$(1).ld) 333 $(eval MAPFILE := $(BUILD_DIR)/bl$(1).map) 334 $(eval ELF := $(BUILD_DIR)/bl$(1).elf) 335 $(eval DUMP := $(BUILD_DIR)/bl$(1).dump) 336 $(eval BIN := $(BUILD_PLAT)/bl$(1).bin) 337 338 $(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES))) 339 $(eval $(call MAKE_LD,$(LINKERFILE),$(BL$(1)_LINKERFILE))) 340 341$(BUILD_DIR) : 342 $$(Q)mkdir -p "$$@" 343 344$(ELF) : $(OBJS) $(LINKERFILE) 345 @echo " LD $$@" 346 @echo 'const char build_message[] = "Built : "__TIME__", "__DATE__;' | \ 347 $$(CC) $$(CFLAGS) -xc - -o $(BUILD_DIR)/build_message.o 348 $$(Q)$$(LD) -o $$@ $$(LDFLAGS) -Map=$(MAPFILE) --script $(LINKERFILE) \ 349 $(BUILD_DIR)/build_message.o $(OBJS) 350 351$(DUMP) : $(ELF) 352 @echo " OD $$@" 353 $${Q}$${OD} -dx $$< > $$@ 354 355$(BIN) : $(ELF) 356 @echo " BIN $$@" 357 $$(Q)$$(OC) -O binary $$< $$@ 358 @echo 359 @echo "Built $$@ successfully" 360 @echo 361 362.PHONY : bl$(1) 363bl$(1) : $(BUILD_DIR) $(BIN) $(DUMP) 364 365all : bl$(1) 366 367$(eval FIP_DEPS += $(if $2,$(BIN),)) 368$(eval FIP_ARGS += $(if $2,--bl$(1) $(BIN),)) 369 370endef 371 372 373ifeq (${NEED_BL1},yes) 374$(eval $(call MAKE_BL,1)) 375endif 376 377ifeq (${NEED_BL2},yes) 378$(eval $(call MAKE_BL,2,in_fip)) 379endif 380 381ifeq (${NEED_BL31},yes) 382BL31_SOURCES += ${SPD_SOURCES} 383$(eval $(call MAKE_BL,31,in_fip)) 384endif 385 386ifeq (${NEED_BL32},yes) 387$(eval $(call MAKE_BL,32,in_fip)) 388endif 389 390${BUILD_PLAT}/fip.bin: ${FIP_DEPS} ${BL33} ${FIPTOOL} 391 $(if ${BL33},,$(error "To build a FIP, please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd")) 392 ${Q}${FIPTOOL} --dump \ 393 ${FIP_ARGS} \ 394 --bl33 ${BL33} \ 395 $@ 396 @echo 397 @echo "Built $@ successfully" 398 @echo 399 400 401cscope: 402 @echo " CSCOPE" 403 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 404 ${Q}cscope -b -q -k 405 406help: 407 @echo "usage: ${MAKE} PLAT=<${HELP_PLATFORMS}> <all|bl1|bl2|bl31|distclean|clean|checkcodebase|checkpatch>" 408 @echo "" 409 @echo "PLAT is used to specify which platform you wish to build." 410 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 411 @echo "" 412 @echo "Supported Targets:" 413 @echo " all Build the BL1, BL2 and BL31 binaries" 414 @echo " bl1 Build the BL1 binary" 415 @echo " bl2 Build the BL2 binary" 416 @echo " bl31 Build the BL31 binary" 417 @echo " checkcodebase Check the coding style of the entire source tree" 418 @echo " checkpatch Check the coding style on changes in the current" 419 @echo " branch against BASE_COMMIT (default origin/master)" 420 @echo " clean Clean the build for the selected platform" 421 @echo " cscope Generate cscope index" 422 @echo " distclean Remove all build artifacts for all platforms" 423 @echo " fiptool Build the Firmware Image Package(FIP) creation tool" 424 @echo "" 425 @echo "note: most build targets require PLAT to be set to a specific platform." 426 @echo "" 427 @echo "example: build all targets for the FVP platform:" 428 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 429