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 := common/bl_common.c \ 63 lib/aarch64/cache_helpers.S \ 64 lib/aarch64/misc_helpers.S \ 65 lib/aarch64/tlb_helpers.S \ 66 lib/aarch64/xlat_helpers.c \ 67 lib/stdlib/std.c \ 68 lib/io_storage.c \ 69 plat/common/aarch64/platform_helpers.S 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 86# Convenience function for adding build definitions 87# $(eval $(call add_define,FOO)) will have: 88# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise 89define add_define 90DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),) 91endef 92 93# Convenience function for verifying option has a boolean value 94# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1 95define assert_boolean 96$(and $(patsubst 0,,$(value $(1))),$(patsubst 1,,$(value $(1))),$(error $(1) must be boolean)) 97endef 98 99ifeq (${PLAT},) 100 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform.") 101endif 102ifeq ($(findstring ${PLAT},${PLATFORMS}),) 103 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") 104endif 105 106all: msg_start 107 108msg_start: 109 @echo "Building ${PLAT}" 110 111include plat/${PLAT}/platform.mk 112 113ifdef BL1_SOURCES 114NEED_BL1 := yes 115include bl1/bl1.mk 116endif 117 118ifdef BL2_SOURCES 119NEED_BL2 := yes 120include bl2/bl2.mk 121endif 122 123ifdef BL31_SOURCES 124NEED_BL31 := yes 125include bl31/bl31.mk 126endif 127 128# Include SPD Makefile if one has been specified 129ifneq (${SPD},none) 130 # We expect to locate an spd.mk under the specified SPD directory 131 SPD_MAKE := $(shell m="services/spd/${SPD}/${SPD}.mk"; [ -f "$$m" ] && echo "$$m") 132 133 ifeq (${SPD_MAKE},) 134 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 135 endif 136 $(info Including ${SPD_MAKE}) 137 include ${SPD_MAKE} 138 139 # If there's BL32 companion for the chosen SPD, and the SPD wants to build the 140 # BL2 from source, we expect that the SPD's Makefile would set NEED_BL32 141 # variable to "yes" 142endif 143 144.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip 145.SUFFIXES: 146 147INCLUDES += -Iinclude/bl1 \ 148 -Iinclude/bl2 \ 149 -Iinclude/bl31 \ 150 -Iinclude/bl31/services \ 151 -Iinclude/bl32 \ 152 -Iinclude/bl32/payloads \ 153 -Iinclude/common \ 154 -Iinclude/drivers \ 155 -Iinclude/drivers/arm \ 156 -Iinclude/lib \ 157 -Iinclude/lib/aarch64 \ 158 -Iinclude/stdlib \ 159 -Iinclude/stdlib/sys \ 160 -Iplat/${PLAT} \ 161 ${PLAT_INCLUDES} \ 162 ${SPD_INCLUDES} 163 164ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 165 -mgeneral-regs-only -D__ASSEMBLY__ ${INCLUDES} \ 166 -DDEBUG=${DEBUG} 167CFLAGS := -nostdinc -pedantic -ffreestanding -Wall \ 168 -Werror -mgeneral-regs-only -std=c99 -c -Os \ 169 -DDEBUG=${DEBUG} ${INCLUDES} ${CFLAGS} 170CFLAGS += -ffunction-sections -fdata-sections 171 172LDFLAGS += --fatal-warnings -O1 173LDFLAGS += --gc-sections 174 175 176ifneq (${DEBUG}, 0) 177#CFLAGS += -g -O0 178CFLAGS += -g 179# -save-temps -fverbose-asm 180ASFLAGS += -g -Wa,--gdwarf-2 181else 182CFLAGS += -DNDEBUG=1 183endif 184 185 186CC := ${CROSS_COMPILE}gcc 187CPP := ${CROSS_COMPILE}cpp 188AS := ${CROSS_COMPILE}gcc 189AR := ${CROSS_COMPILE}ar 190LD := ${CROSS_COMPILE}ld 191OC := ${CROSS_COMPILE}objcopy 192OD := ${CROSS_COMPILE}objdump 193NM := ${CROSS_COMPILE}nm 194PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} 195 196BASE_COMMIT ?= origin/master 197 198# Variables for use with Firmware Image Package 199FIPTOOLPATH ?= tools/fip_create 200FIPTOOL ?= ${FIPTOOLPATH}/fip_create 201fiptool: ${FIPTOOL} 202fip: ${BUILD_PLAT}/fip.bin 203 204locate-checkpatch: 205ifndef CHECKPATCH 206 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl") 207else 208ifeq (,$(wildcard ${CHECKPATCH})) 209 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl") 210endif 211endif 212 213clean: 214 @echo " CLEAN" 215 ${Q}rm -rf ${BUILD_PLAT} 216 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 217 218realclean distclean: 219 @echo " REALCLEAN" 220 ${Q}rm -rf ${BUILD_BASE} 221 ${Q}rm -f ${CURDIR}/cscope.* 222 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 223 224checkcodebase: locate-checkpatch 225 @echo " CHECKING STYLE" 226 @if test -d .git ; then \ 227 git ls-files | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \ 228 else \ 229 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 230 fi 231 232checkpatch: locate-checkpatch 233 @echo " CHECKING STYLE" 234 @git format-patch --stdout ${BASE_COMMIT} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true 235 236${FIPTOOL}: 237 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} 238 @echo 239 @echo "Built $@ successfully" 240 @echo 241 242define match_goals 243$(strip $(foreach goal,$(1),$(filter $(goal),$(MAKECMDGOALS)))) 244endef 245 246# List of rules that involve building things 247BUILD_TARGETS := all bl1 bl2 bl31 bl32 fip 248 249# Does the list of goals specified on the command line include a build target? 250ifneq ($(call match_goals,${BUILD_TARGETS}),) 251IS_ANYTHING_TO_BUILD := 1 252endif 253 254define MAKE_C 255 256$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 257$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 258 259$(OBJ) : $(2) 260 @echo " CC $$<" 261 $$(Q)$$(CC) $$(CFLAGS) -c $$< -o $$@ 262 263 264$(PREREQUISITES) : $(2) 265 @echo " DEPS $$@" 266 @mkdir -p $(1) 267 $$(Q)$$(CC) $$(CFLAGS) -M -MT $(OBJ) -MF $$@ $$< 268 269ifdef IS_ANYTHING_TO_BUILD 270-include $(PREREQUISITES) 271endif 272 273endef 274 275 276define MAKE_S 277 278$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 279$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 280 281$(OBJ) : $(2) 282 @echo " AS $$<" 283 $$(Q)$$(AS) $$(ASFLAGS) -c $$< -o $$@ 284 285$(PREREQUISITES) : $(2) 286 @echo " DEPS $$@" 287 @mkdir -p $(1) 288 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(OBJ) -MF $$@ $$< 289 290ifdef IS_ANYTHING_TO_BUILD 291-include $(PREREQUISITES) 292endif 293 294endef 295 296 297define MAKE_LD 298 299$(eval PREREQUISITES := $(1).d) 300 301$(1) : $(2) 302 @echo " PP $$<" 303 $$(Q)$$(AS) $$(ASFLAGS) -P -E -o $$@ $$< 304 305$(PREREQUISITES) : $(2) 306 @echo " DEPS $$@" 307 @mkdir -p $$(dir $$@) 308 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(1) -MF $$@ $$< 309 310ifdef IS_ANYTHING_TO_BUILD 311-include $(PREREQUISITES) 312endif 313 314endef 315 316 317define MAKE_OBJS 318 $(eval C_OBJS := $(filter %.c,$(2))) 319 $(eval REMAIN := $(filter-out %.c,$(2))) 320 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj)))) 321 322 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 323 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 324 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj)))) 325 326 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 327endef 328 329 330# NOTE: The line continuation '\' is required in the next define otherwise we 331# end up with a line-feed characer at the end of the last c filename. 332# Also bare this issue in mind if extending the list of supported filetypes. 333define SOURCES_TO_OBJS 334 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 335 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 336endef 337 338define MAKE_BL 339 $(eval BUILD_DIR := ${BUILD_PLAT}/bl$(1)) 340 $(eval SOURCES := $(BL$(1)_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)) 341 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 342 $(eval LINKERFILE := $(BUILD_DIR)/bl$(1).ld) 343 $(eval MAPFILE := $(BUILD_DIR)/bl$(1).map) 344 $(eval ELF := $(BUILD_DIR)/bl$(1).elf) 345 $(eval DUMP := $(BUILD_DIR)/bl$(1).dump) 346 $(eval BIN := $(BUILD_PLAT)/bl$(1).bin) 347 348 $(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES))) 349 $(eval $(call MAKE_LD,$(LINKERFILE),$(BL$(1)_LINKERFILE))) 350 351$(BUILD_DIR) : 352 $$(Q)mkdir -p "$$@" 353 354$(ELF) : $(OBJS) $(LINKERFILE) 355 @echo " LD $$@" 356 @echo 'const char build_message[] = "Built : "__TIME__", "__DATE__;' | \ 357 $$(CC) $$(CFLAGS) -xc - -o $(BUILD_DIR)/build_message.o 358 $$(Q)$$(LD) -o $$@ $$(LDFLAGS) -Map=$(MAPFILE) --script $(LINKERFILE) \ 359 $(BUILD_DIR)/build_message.o $(OBJS) 360 361$(DUMP) : $(ELF) 362 @echo " OD $$@" 363 $${Q}$${OD} -dx $$< > $$@ 364 365$(BIN) : $(ELF) 366 @echo " BIN $$@" 367 $$(Q)$$(OC) -O binary $$< $$@ 368 @echo 369 @echo "Built $$@ successfully" 370 @echo 371 372.PHONY : bl$(1) 373bl$(1) : $(BUILD_DIR) $(BIN) $(DUMP) 374 375all : bl$(1) 376 377$(eval FIP_DEPS += $(if $2,$(BIN),)) 378$(eval FIP_ARGS += $(if $2,--bl$(1) $(BIN),)) 379 380endef 381 382 383ifeq (${NEED_BL1},yes) 384$(eval $(call MAKE_BL,1)) 385endif 386 387ifeq (${NEED_BL2},yes) 388$(eval $(call MAKE_BL,2,in_fip)) 389endif 390 391ifeq (${NEED_BL31},yes) 392BL31_SOURCES += ${SPD_SOURCES} 393$(eval $(call MAKE_BL,31,in_fip)) 394endif 395 396ifeq (${NEED_BL32},yes) 397$(eval $(call MAKE_BL,32,in_fip)) 398endif 399 400${BUILD_PLAT}/fip.bin: ${FIP_DEPS} ${BL33} ${FIPTOOL} 401 $(if ${BL33},,$(error "To build a FIP, please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd")) 402 ${Q}${FIPTOOL} --dump \ 403 ${FIP_ARGS} \ 404 --bl33 ${BL33} \ 405 $@ 406 @echo 407 @echo "Built $@ successfully" 408 @echo 409 410 411cscope: 412 @echo " CSCOPE" 413 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 414 ${Q}cscope -b -q -k 415 416help: 417 @echo "usage: ${MAKE} PLAT=<${HELP_PLATFORMS}> <all|bl1|bl2|bl31|distclean|clean|checkcodebase|checkpatch>" 418 @echo "" 419 @echo "PLAT is used to specify which platform you wish to build." 420 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 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 " fiptool Build the Firmware Image Package(FIP) creation tool" 434 @echo "" 435 @echo "note: most build targets require PLAT to be set to a specific platform." 436 @echo "" 437 @echo "example: build all targets for the FVP platform:" 438 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 439