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 = ${V} 35else 36 KBUILD_VERBOSE = 0 37endif 38 39ifeq "${KBUILD_VERBOSE}" "0" 40 Q=@ 41else 42 Q= 43endif 44 45DEBUG ?= 0 46 47ifneq (${DEBUG}, 0) 48 BUILD_TYPE := debug 49else 50 BUILD_TYPE := release 51endif 52 53BL_COMMON_OBJS := misc_helpers.o \ 54 cache_helpers.o \ 55 tlb_helpers.o \ 56 std.o \ 57 bl_common.o \ 58 platform_helpers.o 59 60ARCH ?= aarch64 61 62# By default, build all platforms available 63PLAT ?= all 64 65BUILD_BASE := ./build 66BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 67BUILD_BL1 := ${BUILD_PLAT}/bl1 68BUILD_BL2 := ${BUILD_PLAT}/bl2 69BUILD_BL31 := ${BUILD_PLAT}/bl31 70BUILD_DIRS := ${BUILD_BL1} ${BUILD_BL2} ${BUILD_BL31} 71 72PLATFORMS := $(shell ls -I common plat/) 73HELP_PLATFORMS := $(shell echo ${PLATFORMS} | sed 's/ /|/g') 74 75ifeq (${PLAT},) 76 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform.") 77endif 78ifeq ($(findstring ${PLAT},${PLATFORMS} all),) 79 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") 80endif 81 82ifeq (${PLAT},all) 83all: ${PLATFORMS} 84else 85all: msg_start bl1 bl2 bl31 86endif 87 88msg_start: 89 @echo "Building ${PLAT}" 90 91${PLATFORMS}: 92 ${MAKE} PLAT=$@ all 93 94ifneq (${PLAT},all) 95 $(info Including ${PLAT}/platform.mk) 96 include plat/${PLAT}/platform.mk 97 $(info Including bl1.mk) 98 include bl1/bl1.mk 99 $(info Including bl2.mk) 100 include bl2/bl2.mk 101 $(info Including bl31.mk) 102 include bl31/bl31.mk 103endif 104 105.PHONY: all msg_start ${PLATFORMS} dump clean realclean distclean bl1 bl2 bl31 106.SUFFIXES: 107 108 109BL1_OBJS := $(addprefix ${BUILD_BL1}/,${BL1_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 110BL2_OBJS := $(addprefix ${BUILD_BL2}/,${BL2_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 111BL31_OBJS := $(addprefix ${BUILD_BL31}/,${BL31_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 112BL1_MAPFILE := $(addprefix ${BUILD_BL1}/,${BL1_MAPFILE}) 113BL2_MAPFILE := $(addprefix ${BUILD_BL2}/,${BL2_MAPFILE}) 114BL31_MAPFILE := $(addprefix ${BUILD_BL31}/,${BL31_MAPFILE}) 115BL1_LINKERFILE := $(addprefix ${BUILD_BL1}/,${BL1_LINKERFILE}) 116BL2_LINKERFILE := $(addprefix ${BUILD_BL2}/,${BL2_LINKERFILE}) 117BL31_LINKERFILE := $(addprefix ${BUILD_BL31}/,${BL31_LINKERFILE}) 118 119INCLUDES += -Ilib/include/ \ 120 -Iinclude/${ARCH}/ \ 121 -Iinclude/ \ 122 -Iarch/system/gic \ 123 -Icommon/psci \ 124 -Iinclude/stdlib \ 125 -Iinclude/stdlib/sys \ 126 -Iplat/${PLAT} \ 127 ${PLAT_INCLUDES} 128 129ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 130 -mgeneral-regs-only -D__ASSEMBLY__ ${INCLUDES} 131CFLAGS := -nostdinc -pedantic -ffreestanding -Wall \ 132 -Werror -mgeneral-regs-only -std=c99 -c -Os \ 133 -DDEBUG=${DEBUG} ${INCLUDES} ${CFLAGS} 134 135LDFLAGS += --fatal-warnings -O1 136BL1_LDFLAGS := -Map=${BL1_MAPFILE} --script ${BL1_LINKERFILE} --entry=${BL1_ENTRY_POINT} 137BL2_LDFLAGS := -Map=${BL2_MAPFILE} --script ${BL2_LINKERFILE} --entry=${BL2_ENTRY_POINT} 138BL31_LDFLAGS := -Map=${BL31_MAPFILE} --script ${BL31_LINKERFILE} --entry=${BL31_ENTRY_POINT} 139 140 141vpath %.ld.S bl1:bl2:bl31 142vpath %.c bl1:bl2:bl31 143vpath %.c bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 144vpath %.S bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 145 146 147ifneq (${DEBUG}, 0) 148#CFLAGS += -g -O0 149CFLAGS += -g 150# -save-temps -fverbose-asm 151ASFLAGS += -g -Wa,--gdwarf-2 152endif 153 154 155CC := ${CROSS_COMPILE}gcc 156CPP := ${CROSS_COMPILE}cpp 157AS := ${CROSS_COMPILE}gcc 158AR := ${CROSS_COMPILE}ar 159LD := ${CROSS_COMPILE}ld 160OC := ${CROSS_COMPILE}objcopy 161OD := ${CROSS_COMPILE}objdump 162NM := ${CROSS_COMPILE}nm 163PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} 164 165 166bl1: ${BUILD_BL1} ${BUILD_PLAT}/bl1.bin 167bl2: ${BUILD_BL2} ${BUILD_PLAT}/bl2.bin 168bl31: ${BUILD_BL31} ${BUILD_PLAT}/bl31.bin 169 170ifeq (${PLAT},all) 171 ifeq (${MAKECMDGOALS},clean) 172 $(error "Please select a platform with PLAT=<platform>. You can use 'make distclean' to clean up all platform builds") 173 endif 174endif 175clean: 176 @echo " CLEAN" 177 ${Q}rm -rf ${BUILD_PLAT} 178 179realclean distclean: 180 @echo " REALCLEAN" 181 ${Q}rm -rf ${BUILD_BASE} 182 183dump: 184 @echo " OBJDUMP" 185 ${Q}${OD} -d ${BUILD_BL1}/bl1.elf > ${BUILD_BL1}/bl1.dump 186 ${Q}${OD} -d ${BUILD_BL2}/bl2.elf > ${BUILD_BL2}/bl2.dump 187 ${Q}${OD} -d ${BUILD_BL31}/bl31.elf > ${BUILD_BL31}/bl31.dump 188 189${BUILD_DIRS}: 190 ${Q}mkdir -p "$@" 191 192 193${BUILD_BL1}/%.o: %.S 194 @echo " AS $<" 195 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 196 197${BUILD_BL2}/%.o: %.S 198 @echo " AS $<" 199 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 200 201${BUILD_BL31}/%.o: %.S 202 @echo " AS $<" 203 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 204 205${BUILD_BL1}/%.o: %.c 206 @echo " CC $<" 207 ${Q}${CC} ${CFLAGS} -c $< -o $@ 208 209${BUILD_BL2}/%.o: %.c 210 @echo " CC $<" 211 ${Q}${CC} ${CFLAGS} -c $< -o $@ 212 213${BUILD_BL31}/%.o: %.c 214 @echo " CC $<" 215 ${Q}${CC} ${CFLAGS} -c $< -o $@ 216 217${BUILD_BL1}/%.ld: %.ld.S 218 @echo " PP $<" 219 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 220 221${BUILD_BL2}/%.ld: %.ld.S 222 @echo " PP $<" 223 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 224 225${BUILD_BL31}/%.ld: %.ld.S 226 @echo " PP $<" 227 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 228 229 230${BUILD_BL1}/bl1.elf: ${BL1_OBJS} ${BL1_LINKERFILE} 231 @echo " LD $@" 232 ${Q}${LD} -o $@ ${LDFLAGS} ${BL1_LDFLAGS} ${BL1_OBJS} 233 234${BUILD_BL2}/bl2.elf: ${BL2_OBJS} ${BL2_LINKERFILE} 235 @echo " LD $@" 236 ${Q}${LD} -o $@ ${LDFLAGS} ${BL2_LDFLAGS} ${BL2_OBJS} 237 238${BUILD_BL31}/bl31.elf: ${BL31_OBJS} ${BL31_LINKERFILE} 239 @echo " LD $@" 240 ${Q}${LD} -o $@ ${LDFLAGS} ${BL31_LDFLAGS} ${BL31_OBJS} 241 242${BUILD_PLAT}/bl1.bin: ${BUILD_BL1}/bl1.elf 243 @echo " BIN $@" 244 ${Q}${OC} -O binary $< $@ 245 @echo 246 @echo "Built $@ successfully" 247 @echo 248 249${BUILD_PLAT}/bl2.bin: ${BUILD_BL2}/bl2.elf 250 @echo " BIN $@" 251 ${Q}${OC} -O binary $< $@ 252 @echo 253 @echo "Built $@ successfully" 254 @echo 255 256${BUILD_PLAT}/bl31.bin: ${BUILD_BL31}/bl31.elf 257 @echo " BIN $@" 258 ${Q}${OC} -O binary $< $@ 259 @echo 260 @echo "Built $@ successfully" 261 @echo 262 263help: 264 @echo "usage: ${MAKE} PLAT=<all|${HELP_PLATFORMS}> <all|bl1|bl2|bl31|distclean|clean|dump>" 265 @echo "" 266 @echo "PLAT is used to specify which platform you wish to build." 267 @echo "" 268 @echo "Supported Targets:" 269 @echo " all build the BL1, BL2 and BL31 binaries" 270 @echo " bl1 build the BL1 binary" 271 @echo " bl2 build the BL2 binary" 272 @echo " bl31 build the BL31 binary" 273 @echo " clean Clean the build for the selected platform" 274 @echo " distclean Remove all build artifacts for all platforms" 275 @echo " dump Generate object file dumps" 276 @echo "" 277 @echo "note: most build targets require PLAT to be set to a specific platform." 278 @echo "" 279 @echo "example: build all targets for the FVP platform:" 280 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 281