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# 32# Default values for build configurations 33# 34 35# Build verbosity 36V := 0 37# Debug build 38DEBUG := 0 39# Build architecture 40ARCH := aarch64 41# Build platform 42DEFAULT_PLAT := fvp 43PLAT := ${DEFAULT_PLAT} 44# SPD choice 45SPD := none 46# Base commit to perform code check on 47BASE_COMMIT := origin/master 48# NS timer register save and restore 49NS_TIMER_SWITCH := 0 50 51 52# Checkpatch ignores 53CHECK_IGNORE = --ignore COMPLEX_MACRO 54 55CHECKPATCH_ARGS = --no-tree --no-signoff ${CHECK_IGNORE} 56CHECKCODE_ARGS = --no-patch --no-tree --no-signoff ${CHECK_IGNORE} 57 58ifeq (${V},0) 59 Q=@ 60 CHECKCODE_ARGS += --no-summary --terse 61else 62 Q= 63endif 64export Q 65 66ifneq (${DEBUG}, 0) 67 BUILD_TYPE := debug 68else 69 BUILD_TYPE := release 70endif 71 72BL_COMMON_SOURCES := common/bl_common.c \ 73 common/debug.c \ 74 lib/aarch64/cache_helpers.S \ 75 lib/aarch64/misc_helpers.S \ 76 lib/aarch64/tlb_helpers.S \ 77 lib/aarch64/xlat_helpers.c \ 78 lib/stdlib/std.c \ 79 lib/io_storage.c \ 80 plat/common/aarch64/platform_helpers.S 81 82BUILD_BASE := ./build 83BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 84 85PLATFORMS := $(shell ls -I common plat/) 86SPDS := $(shell ls -I none services/spd) 87HELP_PLATFORMS := $(shell echo ${PLATFORMS} | sed 's/ /|/g') 88 89# Convenience function for adding build definitions 90# $(eval $(call add_define,FOO)) will have: 91# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise 92define add_define 93DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),) 94endef 95 96# Convenience function for verifying option has a boolean value 97# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1 98define assert_boolean 99$(and $(patsubst 0,,$(value $(1))),$(patsubst 1,,$(value $(1))),$(error $(1) must be boolean)) 100endef 101 102ifeq (${PLAT},) 103 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform.") 104endif 105ifeq ($(findstring ${PLAT},${PLATFORMS}),) 106 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") 107endif 108 109all: msg_start 110 111msg_start: 112 @echo "Building ${PLAT}" 113 114include plat/${PLAT}/platform.mk 115 116ifdef BL1_SOURCES 117NEED_BL1 := yes 118include bl1/bl1.mk 119endif 120 121ifdef BL2_SOURCES 122NEED_BL2 := yes 123include bl2/bl2.mk 124endif 125 126ifdef BL31_SOURCES 127NEED_BL31 := yes 128include bl31/bl31.mk 129endif 130 131# Include SPD Makefile if one has been specified 132ifneq (${SPD},none) 133 # We expect to locate an spd.mk under the specified SPD directory 134 SPD_MAKE := $(shell m="services/spd/${SPD}/${SPD}.mk"; [ -f "$$m" ] && echo "$$m") 135 136 ifeq (${SPD_MAKE},) 137 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 138 endif 139 $(info Including ${SPD_MAKE}) 140 include ${SPD_MAKE} 141 142 # If there's BL32 companion for the chosen SPD, and the SPD wants to build the 143 # BL2 from source, we expect that the SPD's Makefile would set NEED_BL32 144 # variable to "yes" 145endif 146 147.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip 148.SUFFIXES: 149 150INCLUDES += -Iinclude/bl1 \ 151 -Iinclude/bl2 \ 152 -Iinclude/bl31 \ 153 -Iinclude/bl31/services \ 154 -Iinclude/bl32 \ 155 -Iinclude/bl32/payloads \ 156 -Iinclude/common \ 157 -Iinclude/drivers \ 158 -Iinclude/drivers/arm \ 159 -Iinclude/lib \ 160 -Iinclude/lib/aarch64 \ 161 -Iinclude/stdlib \ 162 -Iinclude/stdlib/sys \ 163 -Iplat/${PLAT} \ 164 ${PLAT_INCLUDES} \ 165 ${SPD_INCLUDES} 166 167# Process DEBUG flag 168$(eval $(call assert_boolean,DEBUG)) 169$(eval $(call add_define,DEBUG)) 170ifeq (${DEBUG},0) 171 $(eval $(call add_define,NDEBUG)) 172else 173CFLAGS += -g 174ASFLAGS += -g -Wa,--gdwarf-2 175endif 176 177# Process NS_TIMER_SWITCH flag 178$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 179$(eval $(call add_define,NS_TIMER_SWITCH)) 180 181ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 182 -mgeneral-regs-only -D__ASSEMBLY__ \ 183 ${DEFINES} ${INCLUDES} 184CFLAGS += -nostdinc -pedantic -ffreestanding -Wall \ 185 -Werror -mgeneral-regs-only -std=c99 -c -Os \ 186 ${DEFINES} ${INCLUDES} 187CFLAGS += -ffunction-sections -fdata-sections 188 189LDFLAGS += --fatal-warnings -O1 190LDFLAGS += --gc-sections 191 192 193CC := ${CROSS_COMPILE}gcc 194CPP := ${CROSS_COMPILE}cpp 195AS := ${CROSS_COMPILE}gcc 196AR := ${CROSS_COMPILE}ar 197LD := ${CROSS_COMPILE}ld 198OC := ${CROSS_COMPILE}objcopy 199OD := ${CROSS_COMPILE}objdump 200NM := ${CROSS_COMPILE}nm 201PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} 202 203# Variables for use with Firmware Image Package 204FIPTOOLPATH ?= tools/fip_create 205FIPTOOL ?= ${FIPTOOLPATH}/fip_create 206fiptool: ${FIPTOOL} 207fip: ${BUILD_PLAT}/fip.bin 208 209locate-checkpatch: 210ifndef CHECKPATCH 211 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl") 212else 213ifeq (,$(wildcard ${CHECKPATCH})) 214 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl") 215endif 216endif 217 218clean: 219 @echo " CLEAN" 220 ${Q}rm -rf ${BUILD_PLAT} 221 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 222 223realclean distclean: 224 @echo " REALCLEAN" 225 ${Q}rm -rf ${BUILD_BASE} 226 ${Q}rm -f ${CURDIR}/cscope.* 227 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 228 229checkcodebase: locate-checkpatch 230 @echo " CHECKING STYLE" 231 @if test -d .git ; then \ 232 git ls-files | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \ 233 else \ 234 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 235 fi 236 237checkpatch: locate-checkpatch 238 @echo " CHECKING STYLE" 239 @git format-patch --stdout ${BASE_COMMIT} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true 240 241${FIPTOOL}: 242 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} 243 @echo 244 @echo "Built $@ successfully" 245 @echo 246 247define match_goals 248$(strip $(foreach goal,$(1),$(filter $(goal),$(MAKECMDGOALS)))) 249endef 250 251# List of rules that involve building things 252BUILD_TARGETS := all bl1 bl2 bl31 bl32 fip 253 254# Does the list of goals specified on the command line include a build target? 255ifneq ($(call match_goals,${BUILD_TARGETS}),) 256IS_ANYTHING_TO_BUILD := 1 257endif 258 259define MAKE_C 260 261$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 262$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 263 264$(OBJ) : $(2) 265 @echo " CC $$<" 266 $$(Q)$$(CC) $$(CFLAGS) -c $$< -o $$@ 267 268 269$(PREREQUISITES) : $(2) 270 @echo " DEPS $$@" 271 @mkdir -p $(1) 272 $$(Q)$$(CC) $$(CFLAGS) -M -MT $(OBJ) -MF $$@ $$< 273 274ifdef IS_ANYTHING_TO_BUILD 275-include $(PREREQUISITES) 276endif 277 278endef 279 280 281define MAKE_S 282 283$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 284$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 285 286$(OBJ) : $(2) 287 @echo " AS $$<" 288 $$(Q)$$(AS) $$(ASFLAGS) -c $$< -o $$@ 289 290$(PREREQUISITES) : $(2) 291 @echo " DEPS $$@" 292 @mkdir -p $(1) 293 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(OBJ) -MF $$@ $$< 294 295ifdef IS_ANYTHING_TO_BUILD 296-include $(PREREQUISITES) 297endif 298 299endef 300 301 302define MAKE_LD 303 304$(eval PREREQUISITES := $(1).d) 305 306$(1) : $(2) 307 @echo " PP $$<" 308 $$(Q)$$(AS) $$(ASFLAGS) -P -E -o $$@ $$< 309 310$(PREREQUISITES) : $(2) 311 @echo " DEPS $$@" 312 @mkdir -p $$(dir $$@) 313 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(1) -MF $$@ $$< 314 315ifdef IS_ANYTHING_TO_BUILD 316-include $(PREREQUISITES) 317endif 318 319endef 320 321 322define MAKE_OBJS 323 $(eval C_OBJS := $(filter %.c,$(2))) 324 $(eval REMAIN := $(filter-out %.c,$(2))) 325 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj)))) 326 327 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 328 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 329 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj)))) 330 331 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 332endef 333 334 335# NOTE: The line continuation '\' is required in the next define otherwise we 336# end up with a line-feed characer at the end of the last c filename. 337# Also bare this issue in mind if extending the list of supported filetypes. 338define SOURCES_TO_OBJS 339 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 340 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 341endef 342 343define MAKE_BL 344 $(eval BUILD_DIR := ${BUILD_PLAT}/bl$(1)) 345 $(eval SOURCES := $(BL$(1)_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)) 346 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 347 $(eval LINKERFILE := $(BUILD_DIR)/bl$(1).ld) 348 $(eval MAPFILE := $(BUILD_DIR)/bl$(1).map) 349 $(eval ELF := $(BUILD_DIR)/bl$(1).elf) 350 $(eval DUMP := $(BUILD_DIR)/bl$(1).dump) 351 $(eval BIN := $(BUILD_PLAT)/bl$(1).bin) 352 353 $(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES))) 354 $(eval $(call MAKE_LD,$(LINKERFILE),$(BL$(1)_LINKERFILE))) 355 356$(BUILD_DIR) : 357 $$(Q)mkdir -p "$$@" 358 359$(ELF) : $(OBJS) $(LINKERFILE) 360 @echo " LD $$@" 361 @echo 'const char build_message[] = "Built : "__TIME__", "__DATE__;' | \ 362 $$(CC) $$(CFLAGS) -xc - -o $(BUILD_DIR)/build_message.o 363 $$(Q)$$(LD) -o $$@ $$(LDFLAGS) -Map=$(MAPFILE) --script $(LINKERFILE) \ 364 $(BUILD_DIR)/build_message.o $(OBJS) 365 366$(DUMP) : $(ELF) 367 @echo " OD $$@" 368 $${Q}$${OD} -dx $$< > $$@ 369 370$(BIN) : $(ELF) 371 @echo " BIN $$@" 372 $$(Q)$$(OC) -O binary $$< $$@ 373 @echo 374 @echo "Built $$@ successfully" 375 @echo 376 377.PHONY : bl$(1) 378bl$(1) : $(BUILD_DIR) $(BIN) $(DUMP) 379 380all : bl$(1) 381 382$(eval FIP_DEPS += $(if $2,$(BIN),)) 383$(eval FIP_ARGS += $(if $2,--bl$(1) $(BIN),)) 384 385endef 386 387 388ifeq (${NEED_BL1},yes) 389$(eval $(call MAKE_BL,1)) 390endif 391 392ifeq (${NEED_BL2},yes) 393$(eval $(call MAKE_BL,2,in_fip)) 394endif 395 396ifeq (${NEED_BL31},yes) 397BL31_SOURCES += ${SPD_SOURCES} 398$(eval $(call MAKE_BL,31,in_fip)) 399endif 400 401ifeq (${NEED_BL32},yes) 402$(eval $(call MAKE_BL,32,in_fip)) 403endif 404 405${BUILD_PLAT}/fip.bin: ${FIP_DEPS} ${BL33} ${FIPTOOL} 406 $(if ${BL33},,$(error "To build a FIP, please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd")) 407 ${Q}${FIPTOOL} --dump \ 408 ${FIP_ARGS} \ 409 --bl33 ${BL33} \ 410 $@ 411 @echo 412 @echo "Built $@ successfully" 413 @echo 414 415 416cscope: 417 @echo " CSCOPE" 418 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 419 ${Q}cscope -b -q -k 420 421help: 422 @echo "usage: ${MAKE} PLAT=<${HELP_PLATFORMS}> <all|bl1|bl2|bl31|distclean|clean|checkcodebase|checkpatch>" 423 @echo "" 424 @echo "PLAT is used to specify which platform you wish to build." 425 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 426 @echo "" 427 @echo "Supported Targets:" 428 @echo " all Build the BL1, BL2 and BL31 binaries" 429 @echo " bl1 Build the BL1 binary" 430 @echo " bl2 Build the BL2 binary" 431 @echo " bl31 Build the BL31 binary" 432 @echo " checkcodebase Check the coding style of the entire source tree" 433 @echo " checkpatch Check the coding style on changes in the current" 434 @echo " branch against BASE_COMMIT (default origin/master)" 435 @echo " clean Clean the build for the selected platform" 436 @echo " cscope Generate cscope index" 437 @echo " distclean Remove all build artifacts for all platforms" 438 @echo " fiptool Build the Firmware Image Package(FIP) creation tool" 439 @echo "" 440 @echo "note: most build targets require PLAT to be set to a specific platform." 441 @echo "" 442 @echo "example: build all targets for the FVP platform:" 443 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 444