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 ${SPD_MAKE} 125 126 # If there's BL32 companion for the chosen SPD, and the SPD wants to build the 127 # BL2 from source, we expect that the SPD's Makefile would set NEED_BL32 128 # variable to "yes" 129endif 130 131.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip 132.SUFFIXES: 133 134 135INCLUDES += -Iinclude/bl1 \ 136 -Iinclude/bl2 \ 137 -Iinclude/bl31 \ 138 -Iinclude/bl31/services \ 139 -Iinclude/bl32 \ 140 -Iinclude/bl32/payloads \ 141 -Iinclude/common \ 142 -Iinclude/drivers \ 143 -Iinclude/drivers/arm \ 144 -Iinclude/lib \ 145 -Iinclude/lib/aarch64 \ 146 -Iinclude/stdlib \ 147 -Iinclude/stdlib/sys \ 148 -Iservices/std_svc/psci \ 149 -Iplat/${PLAT} \ 150 ${PLAT_INCLUDES} \ 151 ${SPD_INCLUDES} 152 153ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 154 -mgeneral-regs-only -D__ASSEMBLY__ ${INCLUDES} \ 155 -DDEBUG=${DEBUG} 156CFLAGS := -nostdinc -pedantic -ffreestanding -Wall \ 157 -Werror -mgeneral-regs-only -std=c99 -c -Os \ 158 -DDEBUG=${DEBUG} ${INCLUDES} ${CFLAGS} 159CFLAGS += -ffunction-sections -fdata-sections 160 161LDFLAGS += --fatal-warnings -O1 162LDFLAGS += --gc-sections 163 164 165vpath %.ld.S bl1:bl2:bl31 166vpath %.c bl1:bl2:bl31 167vpath %.c bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 168vpath %.S bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 169vpath %.c lib/arch/${ARCH} # One of the missing paths needed for BL_COMMON_SOURCES 170 171 172ifneq (${DEBUG}, 0) 173#CFLAGS += -g -O0 174CFLAGS += -g 175# -save-temps -fverbose-asm 176ASFLAGS += -g -Wa,--gdwarf-2 177else 178CFLAGS += -DNDEBUG=1 179endif 180 181 182CC := ${CROSS_COMPILE}gcc 183CPP := ${CROSS_COMPILE}cpp 184AS := ${CROSS_COMPILE}gcc 185AR := ${CROSS_COMPILE}ar 186LD := ${CROSS_COMPILE}ld 187OC := ${CROSS_COMPILE}objcopy 188OD := ${CROSS_COMPILE}objdump 189NM := ${CROSS_COMPILE}nm 190PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} 191 192BASE_COMMIT ?= origin/master 193 194# Variables for use with Firmware Image Package 195FIPTOOLPATH ?= tools/fip_create 196FIPTOOL ?= ${FIPTOOLPATH}/fip_create 197fiptool: ${FIPTOOL} 198fip: ${BUILD_PLAT}/fip.bin 199 200locate-checkpatch: 201ifndef CHECKPATCH 202 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl") 203else 204ifeq (,$(wildcard ${CHECKPATCH})) 205 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl") 206endif 207endif 208 209clean: 210 @echo " CLEAN" 211 ${Q}rm -rf ${BUILD_PLAT} 212 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 213 214realclean distclean: 215 @echo " REALCLEAN" 216 ${Q}rm -rf ${BUILD_BASE} 217 ${Q}rm -f ${CURDIR}/cscope.* 218 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 219 220checkcodebase: locate-checkpatch 221 @echo " CHECKING STYLE" 222 @if test -d .git ; then \ 223 git ls-files | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \ 224 else \ 225 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 226 fi 227 228checkpatch: locate-checkpatch 229 @echo " CHECKING STYLE" 230 @git format-patch --stdout ${BASE_COMMIT} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true 231 232${FIPTOOL}: 233 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} 234 @echo 235 @echo "Built $@ successfully" 236 @echo 237 238define match_goals 239$(strip $(foreach goal,$(1),$(filter $(goal),$(MAKECMDGOALS)))) 240endef 241 242# List of rules that involve building things 243BUILD_TARGETS := all bl1 bl2 bl31 bl32 fip 244 245# Does the list of goals specified on the command line include a build target? 246ifneq ($(call match_goals,${BUILD_TARGETS}),) 247IS_ANYTHING_TO_BUILD := 1 248endif 249 250define MAKE_C 251 252$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 253$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 254 255$(OBJ) : $(2) 256 @echo " CC $$<" 257 $$(Q)$$(CC) $$(CFLAGS) -c $$< -o $$@ 258 259 260$(PREREQUISITES) : $(2) 261 @echo " DEPS $$@" 262 @mkdir -p $(1) 263 $$(Q)$$(CC) $$(CFLAGS) -M -MT $(OBJ) -MF $$@ $$< 264 265ifdef IS_ANYTHING_TO_BUILD 266-include $(PREREQUISITES) 267endif 268 269endef 270 271 272define MAKE_S 273 274$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 275$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 276 277$(OBJ) : $(2) 278 @echo " AS $$<" 279 $$(Q)$$(AS) $$(ASFLAGS) -c $$< -o $$@ 280 281$(PREREQUISITES) : $(2) 282 @echo " DEPS $$@" 283 @mkdir -p $(1) 284 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(OBJ) -MF $$@ $$< 285 286ifdef IS_ANYTHING_TO_BUILD 287-include $(PREREQUISITES) 288endif 289 290endef 291 292 293define MAKE_LD 294 295$(eval PREREQUISITES := $(1).d) 296 297$(1) : $(2) 298 @echo " PP $$<" 299 $$(Q)$$(AS) $$(ASFLAGS) -P -E -o $$@ $$< 300 301$(PREREQUISITES) : $(2) 302 @echo " DEPS $$@" 303 @mkdir -p $$(dir $$@) 304 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(1) -MF $$@ $$< 305 306ifdef IS_ANYTHING_TO_BUILD 307-include $(PREREQUISITES) 308endif 309 310endef 311 312 313define MAKE_OBJS 314 $(eval C_OBJS := $(filter %.c,$(2))) 315 $(eval REMAIN := $(filter-out %.c,$(2))) 316 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj)))) 317 318 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 319 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 320 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj)))) 321 322 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 323endef 324 325 326# NOTE: The line continuation '\' is required in the next define otherwise we 327# end up with a line-feed characer at the end of the last c filename. 328# Also bare this issue in mind if extending the list of supported filetypes. 329define SOURCES_TO_OBJS 330 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 331 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 332endef 333 334define MAKE_BL 335 $(eval BUILD_DIR := ${BUILD_PLAT}/bl$(1)) 336 $(eval SOURCES := $(BL$(1)_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)) 337 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 338 $(eval LINKERFILE := $(BUILD_DIR)/bl$(1).ld) 339 $(eval MAPFILE := $(BUILD_DIR)/bl$(1).map) 340 $(eval ELF := $(BUILD_DIR)/bl$(1).elf) 341 $(eval DUMP := $(BUILD_DIR)/bl$(1).dump) 342 $(eval BIN := $(BUILD_PLAT)/bl$(1).bin) 343 344 $(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES))) 345 $(eval $(call MAKE_LD,$(LINKERFILE),$(BL$(1)_LINKERFILE))) 346 347$(BUILD_DIR) : 348 $$(Q)mkdir -p "$$@" 349 350$(ELF) : $(OBJS) $(LINKERFILE) 351 @echo " LD $$@" 352 @echo 'const char build_message[] = "Built : "__TIME__", "__DATE__;' | \ 353 $$(CC) $$(CFLAGS) -xc - -o $(BUILD_DIR)/build_message.o 354 $$(Q)$$(LD) -o $$@ $$(LDFLAGS) -Map=$(MAPFILE) --script $(LINKERFILE) \ 355 $(BUILD_DIR)/build_message.o $(OBJS) 356 357$(DUMP) : $(ELF) 358 @echo " OD $$@" 359 $${Q}$${OD} -dx $$< > $$@ 360 361$(BIN) : $(ELF) 362 @echo " BIN $$@" 363 $$(Q)$$(OC) -O binary $$< $$@ 364 @echo 365 @echo "Built $$@ successfully" 366 @echo 367 368.PHONY : bl$(1) 369bl$(1) : $(BUILD_DIR) $(BIN) $(DUMP) 370 371all : bl$(1) 372 373$(eval FIP_DEPS += $(if $2,$(BIN),)) 374$(eval FIP_ARGS += $(if $2,--bl$(1) $(BIN),)) 375 376endef 377 378 379ifeq (${NEED_BL1},yes) 380$(eval $(call MAKE_BL,1)) 381endif 382 383ifeq (${NEED_BL2},yes) 384$(eval $(call MAKE_BL,2,in_fip)) 385endif 386 387ifeq (${NEED_BL31},yes) 388BL31_SOURCES += ${SPD_SOURCES} 389$(eval $(call MAKE_BL,31,in_fip)) 390endif 391 392ifeq (${NEED_BL32},yes) 393$(eval $(call MAKE_BL,32,in_fip)) 394endif 395 396${BUILD_PLAT}/fip.bin: ${FIP_DEPS} ${BL33} ${FIPTOOL} 397 $(if ${BL33},,$(error "To build a FIP, please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd")) 398 ${Q}${FIPTOOL} --dump \ 399 ${FIP_ARGS} \ 400 --bl33 ${BL33} \ 401 $@ 402 @echo 403 @echo "Built $@ successfully" 404 @echo 405 406 407cscope: 408 @echo " CSCOPE" 409 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 410 ${Q}cscope -b -q -k 411 412help: 413 @echo "usage: ${MAKE} PLAT=<${HELP_PLATFORMS}> <all|bl1|bl2|bl31|distclean|clean|checkcodebase|checkpatch>" 414 @echo "" 415 @echo "PLAT is used to specify which platform you wish to build." 416 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 417 @echo "" 418 @echo "Supported Targets:" 419 @echo " all Build the BL1, BL2 and BL31 binaries" 420 @echo " bl1 Build the BL1 binary" 421 @echo " bl2 Build the BL2 binary" 422 @echo " bl31 Build the BL31 binary" 423 @echo " checkcodebase Check the coding style of the entire source tree" 424 @echo " checkpatch Check the coding style on changes in the current" 425 @echo " branch against BASE_COMMIT (default origin/master)" 426 @echo " clean Clean the build for the selected platform" 427 @echo " cscope Generate cscope index" 428 @echo " distclean Remove all build artifacts for all platforms" 429 @echo " fiptool Build the Firmware Image Package(FIP) creation tool" 430 @echo "" 431 @echo "note: most build targets require PLAT to be set to a specific platform." 432 @echo "" 433 @echo "example: build all targets for the FVP platform:" 434 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 435