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 cache_helpers.o tlb_helpers.o \ 54 std.o bl_common.o platform_helpers.o 55ARCH ?= aarch64 56 57# By default, build all platforms available 58PLAT ?= all 59 60BUILD_BASE := ./build 61BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 62BUILD_BL1 := ${BUILD_PLAT}/bl1 63BUILD_BL2 := ${BUILD_PLAT}/bl2 64BUILD_BL31 := ${BUILD_PLAT}/bl31 65BUILD_DIRS := ${BUILD_BL1} ${BUILD_BL2} ${BUILD_BL31} 66 67PLATFORMS := $(shell ls -I common plat/) 68ifeq (${PLAT},) 69 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform.") 70endif 71ifeq ($(findstring ${PLAT},${PLATFORMS} all),) 72 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") 73endif 74 75ifeq (${PLAT},all) 76all: ${PLATFORMS} 77else 78all: msg_start bl1 bl2 bl31 79endif 80 81msg_start: 82 @echo "Building ${PLAT}" 83 84${PLATFORMS}: 85 ${MAKE} PLAT=$@ all 86 87ifneq (${PLAT},all) 88 $(info Including ${PLAT}/platform.mk) 89 include plat/${PLAT}/platform.mk 90 $(info Including bl1.mk) 91 include bl1/bl1.mk 92 $(info Including bl2.mk) 93 include bl2/bl2.mk 94 $(info Including bl31.mk) 95 include bl31/bl31.mk 96endif 97 98.PHONY: all msg_start ${PLATFORMS} dump clean realclean distclean bl1 bl2 bl31 99.SUFFIXES: 100 101 102BL1_OBJS := $(addprefix ${BUILD_BL1}/,${BL1_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 103BL2_OBJS := $(addprefix ${BUILD_BL2}/,${BL2_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 104BL31_OBJS := $(addprefix ${BUILD_BL31}/,${BL31_OBJS} ${BL_COMMON_OBJS} ${PLAT_BL_COMMON_OBJS}) 105BL1_MAPFILE := $(addprefix ${BUILD_BL1}/,${BL1_MAPFILE}) 106BL2_MAPFILE := $(addprefix ${BUILD_BL2}/,${BL2_MAPFILE}) 107BL31_MAPFILE := $(addprefix ${BUILD_BL31}/,${BL31_MAPFILE}) 108BL1_LINKERFILE := $(addprefix ${BUILD_BL1}/,${BL1_LINKERFILE}) 109BL2_LINKERFILE := $(addprefix ${BUILD_BL2}/,${BL2_LINKERFILE}) 110BL31_LINKERFILE := $(addprefix ${BUILD_BL31}/,${BL31_LINKERFILE}) 111 112INCLUDES += -Ilib/include/ -Iinclude/${ARCH}/ -Iinclude/ \ 113 -Iarch/system/gic -Icommon/psci \ 114 -Iinclude/stdlib -Iinclude/stdlib/sys \ 115 -Iplat/${PLAT} ${PLAT_INCLUDES} 116 117ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 118 -mgeneral-regs-only -D__ASSEMBLY__ ${INCLUDES} 119CFLAGS := -nostdinc -pedantic -ffreestanding -Wall \ 120 -Werror -mgeneral-regs-only -std=c99 -c -Os \ 121 -DDEBUG=${DEBUG} ${INCLUDES} ${CFLAGS} 122 123LDFLAGS += --fatal-warnings -O1 124BL1_LDFLAGS := -Map=${BL1_MAPFILE} --script ${BL1_LINKERFILE} --entry=${BL1_ENTRY_POINT} 125BL2_LDFLAGS := -Map=${BL2_MAPFILE} --script ${BL2_LINKERFILE} --entry=${BL2_ENTRY_POINT} 126BL31_LDFLAGS := -Map=${BL31_MAPFILE} --script ${BL31_LINKERFILE} --entry=${BL31_ENTRY_POINT} 127 128 129vpath %.ld.S bl1:bl2:bl31 130vpath %.c bl1:bl2:bl31 131vpath %.c bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 132vpath %.S bl1/${ARCH}:bl2/${ARCH}:bl31/${ARCH} 133 134 135ifneq (${DEBUG}, 0) 136#CFLAGS += -g -O0 137CFLAGS += -g 138# -save-temps -fverbose-asm 139ASFLAGS += -g -Wa,--gdwarf-2 140endif 141 142 143CC := ${CROSS_COMPILE}gcc 144CPP := ${CROSS_COMPILE}cpp 145AS := ${CROSS_COMPILE}gcc 146AR := ${CROSS_COMPILE}ar 147LD := ${CROSS_COMPILE}ld 148OC := ${CROSS_COMPILE}objcopy 149OD := ${CROSS_COMPILE}objdump 150NM := ${CROSS_COMPILE}nm 151PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} 152 153 154bl1: ${BUILD_BL1} ${BUILD_PLAT}/bl1.bin 155bl2: ${BUILD_BL2} ${BUILD_PLAT}/bl2.bin 156bl31: ${BUILD_BL31} ${BUILD_PLAT}/bl31.bin 157 158ifeq (${PLAT},all) 159 ifeq (${MAKECMDGOALS},clean) 160 $(error "Please select a platform with PLAT=<platform>. You can use 'make distclean' to clean up all platform builds") 161 endif 162endif 163clean: 164 @echo " CLEAN" 165 ${Q}rm -rf ${BUILD_PLAT} 166 167realclean distclean: 168 @echo " REALCLEAN" 169 ${Q}rm -rf ${BUILD_BASE} 170 171dump: 172 @echo " OBJDUMP" 173 ${Q}${OD} -d ${BUILD_BL1}/bl1.elf > ${BUILD_BL1}/bl1.dump 174 ${Q}${OD} -d ${BUILD_BL2}/bl2.elf > ${BUILD_BL2}/bl2.dump 175 ${Q}${OD} -d ${BUILD_BL31}/bl31.elf > ${BUILD_BL31}/bl31.dump 176 177${BUILD_DIRS}: 178 ${Q}mkdir -p "$@" 179 180 181${BUILD_BL1}/%.o: %.S 182 @echo " AS $<" 183 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 184 185${BUILD_BL2}/%.o: %.S 186 @echo " AS $<" 187 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 188 189${BUILD_BL31}/%.o: %.S 190 @echo " AS $<" 191 ${Q}${AS} ${ASFLAGS} -c $< -o $@ 192 193${BUILD_BL1}/%.o: %.c 194 @echo " CC $<" 195 ${Q}${CC} ${CFLAGS} -c $< -o $@ 196 197${BUILD_BL2}/%.o: %.c 198 @echo " CC $<" 199 ${Q}${CC} ${CFLAGS} -c $< -o $@ 200 201${BUILD_BL31}/%.o: %.c 202 @echo " CC $<" 203 ${Q}${CC} ${CFLAGS} -c $< -o $@ 204 205${BUILD_BL1}/%.ld: %.ld.S 206 @echo " PP $<" 207 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 208 209${BUILD_BL2}/%.ld: %.ld.S 210 @echo " PP $<" 211 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 212 213${BUILD_BL31}/%.ld: %.ld.S 214 @echo " PP $<" 215 ${Q}${AS} ${ASFLAGS} -P -E $< -o $@ 216 217 218${BUILD_BL1}/bl1.elf: ${BL1_OBJS} ${BL1_LINKERFILE} 219 @echo " LD $@" 220 ${Q}${LD} -o $@ ${LDFLAGS} ${BL1_LDFLAGS} ${BL1_OBJS} 221 222${BUILD_BL2}/bl2.elf: ${BL2_OBJS} ${BL2_LINKERFILE} 223 @echo " LD $@" 224 ${Q}${LD} -o $@ ${LDFLAGS} ${BL2_LDFLAGS} ${BL2_OBJS} 225 226${BUILD_BL31}/bl31.elf: ${BL31_OBJS} ${BL31_LINKERFILE} 227 @echo " LD $@" 228 ${Q}${LD} -o $@ ${LDFLAGS} ${BL31_LDFLAGS} ${BL31_OBJS} 229 230${BUILD_PLAT}/bl1.bin: ${BUILD_BL1}/bl1.elf 231 @echo " BIN $@" 232 ${Q}${OC} -O binary $< $@ 233 @echo 234 @echo "Built $@ successfully" 235 @echo 236 237${BUILD_PLAT}/bl2.bin: ${BUILD_BL2}/bl2.elf 238 @echo " BIN $@" 239 ${Q}${OC} -O binary $< $@ 240 @echo 241 @echo "Built $@ successfully" 242 @echo 243 244${BUILD_PLAT}/bl31.bin: ${BUILD_BL31}/bl31.elf 245 @echo " BIN $@" 246 ${Q}${OC} -O binary $< $@ 247 @echo 248 @echo "Built $@ successfully" 249 @echo 250