# # Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # Redistributions of source code must retain the above copyright notice, this # list of conditions and the following disclaimer. # # Redistributions in binary form must reproduce the above copyright notice, # this list of conditions and the following disclaimer in the documentation # and/or other materials provided with the distribution. # # Neither the name of ARM nor the names of its contributors may be used # to endorse or promote products derived from this software without specific # prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE # POSSIBILITY OF SUCH DAMAGE. # # # Default values for build configurations # # Build verbosity V := 0 # Debug build DEBUG := 0 # Build architecture ARCH := aarch64 # Build platform DEFAULT_PLAT := fvp PLAT := ${DEFAULT_PLAT} # SPD choice SPD := none # Base commit to perform code check on BASE_COMMIT := origin/master # NS timer register save and restore NS_TIMER_SWITCH := 0 # Checkpatch ignores CHECK_IGNORE = --ignore COMPLEX_MACRO CHECKPATCH_ARGS = --no-tree --no-signoff ${CHECK_IGNORE} CHECKCODE_ARGS = --no-patch --no-tree --no-signoff ${CHECK_IGNORE} ifeq (${V},0) Q=@ CHECKCODE_ARGS += --no-summary --terse else Q= endif export Q ifneq (${DEBUG}, 0) BUILD_TYPE := debug else BUILD_TYPE := release endif BL_COMMON_SOURCES := common/bl_common.c \ common/debug.c \ lib/aarch64/cache_helpers.S \ lib/aarch64/misc_helpers.S \ lib/aarch64/tlb_helpers.S \ lib/aarch64/xlat_helpers.c \ lib/stdlib/std.c \ lib/io_storage.c \ plat/common/aarch64/platform_helpers.S BUILD_BASE := ./build BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} PLATFORMS := $(shell ls -I common plat/) SPDS := $(shell ls -I none services/spd) HELP_PLATFORMS := $(shell echo ${PLATFORMS} | sed 's/ /|/g') # Convenience function for adding build definitions # $(eval $(call add_define,FOO)) will have: # -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise define add_define DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),) endef # Convenience function for verifying option has a boolean value # $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1 define assert_boolean $(and $(patsubst 0,,$(value $(1))),$(patsubst 1,,$(value $(1))),$(error $(1) must be boolean)) endef ifeq (${PLAT},) $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform.") endif ifeq ($(findstring ${PLAT},${PLATFORMS}),) $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") endif all: msg_start msg_start: @echo "Building ${PLAT}" include plat/${PLAT}/platform.mk ifdef BL1_SOURCES NEED_BL1 := yes include bl1/bl1.mk endif ifdef BL2_SOURCES NEED_BL2 := yes include bl2/bl2.mk endif ifdef BL31_SOURCES NEED_BL31 := yes include bl31/bl31.mk endif # Include SPD Makefile if one has been specified ifneq (${SPD},none) # We expect to locate an spd.mk under the specified SPD directory SPD_MAKE := $(shell m="services/spd/${SPD}/${SPD}.mk"; [ -f "$$m" ] && echo "$$m") ifeq (${SPD_MAKE},) $(error Error: No services/spd/${SPD}/${SPD}.mk located) endif $(info Including ${SPD_MAKE}) include ${SPD_MAKE} # If there's BL32 companion for the chosen SPD, and the SPD wants to build the # BL2 from source, we expect that the SPD's Makefile would set NEED_BL32 # variable to "yes" endif .PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip .SUFFIXES: INCLUDES += -Iinclude/bl1 \ -Iinclude/bl2 \ -Iinclude/bl31 \ -Iinclude/bl31/services \ -Iinclude/bl32 \ -Iinclude/bl32/payloads \ -Iinclude/common \ -Iinclude/drivers \ -Iinclude/drivers/arm \ -Iinclude/lib \ -Iinclude/lib/aarch64 \ -Iinclude/stdlib \ -Iinclude/stdlib/sys \ -Iplat/${PLAT} \ ${PLAT_INCLUDES} \ ${SPD_INCLUDES} # Process DEBUG flag $(eval $(call assert_boolean,DEBUG)) $(eval $(call add_define,DEBUG)) ifeq (${DEBUG},0) $(eval $(call add_define,NDEBUG)) else CFLAGS += -g ASFLAGS += -g -Wa,--gdwarf-2 endif # Process NS_TIMER_SWITCH flag $(eval $(call assert_boolean,NS_TIMER_SWITCH)) $(eval $(call add_define,NS_TIMER_SWITCH)) ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ -mgeneral-regs-only -D__ASSEMBLY__ \ ${DEFINES} ${INCLUDES} CFLAGS += -nostdinc -pedantic -ffreestanding -Wall \ -Werror -mgeneral-regs-only -std=c99 -c -Os \ ${DEFINES} ${INCLUDES} CFLAGS += -ffunction-sections -fdata-sections LDFLAGS += --fatal-warnings -O1 LDFLAGS += --gc-sections CC := ${CROSS_COMPILE}gcc CPP := ${CROSS_COMPILE}cpp AS := ${CROSS_COMPILE}gcc AR := ${CROSS_COMPILE}ar LD := ${CROSS_COMPILE}ld OC := ${CROSS_COMPILE}objcopy OD := ${CROSS_COMPILE}objdump NM := ${CROSS_COMPILE}nm PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} # Variables for use with Firmware Image Package FIPTOOLPATH ?= tools/fip_create FIPTOOL ?= ${FIPTOOLPATH}/fip_create fiptool: ${FIPTOOL} fip: ${BUILD_PLAT}/fip.bin locate-checkpatch: ifndef CHECKPATCH $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl") else ifeq (,$(wildcard ${CHECKPATCH})) $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl") endif endif clean: @echo " CLEAN" ${Q}rm -rf ${BUILD_PLAT} ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean realclean distclean: @echo " REALCLEAN" ${Q}rm -rf ${BUILD_BASE} ${Q}rm -f ${CURDIR}/cscope.* ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean checkcodebase: locate-checkpatch @echo " CHECKING STYLE" @if test -d .git ; then \ git ls-files | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \ else \ find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ fi checkpatch: locate-checkpatch @echo " CHECKING STYLE" @git format-patch --stdout ${BASE_COMMIT} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true ${FIPTOOL}: ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} @echo @echo "Built $@ successfully" @echo define match_goals $(strip $(foreach goal,$(1),$(filter $(goal),$(MAKECMDGOALS)))) endef # List of rules that involve building things BUILD_TARGETS := all bl1 bl2 bl31 bl32 fip # Does the list of goals specified on the command line include a build target? ifneq ($(call match_goals,${BUILD_TARGETS}),) IS_ANYTHING_TO_BUILD := 1 endif define MAKE_C $(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) $(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) $(OBJ) : $(2) @echo " CC $$<" $$(Q)$$(CC) $$(CFLAGS) -c $$< -o $$@ $(PREREQUISITES) : $(2) @echo " DEPS $$@" @mkdir -p $(1) $$(Q)$$(CC) $$(CFLAGS) -M -MT $(OBJ) -MF $$@ $$< ifdef IS_ANYTHING_TO_BUILD -include $(PREREQUISITES) endif endef define MAKE_S $(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) $(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) $(OBJ) : $(2) @echo " AS $$<" $$(Q)$$(AS) $$(ASFLAGS) -c $$< -o $$@ $(PREREQUISITES) : $(2) @echo " DEPS $$@" @mkdir -p $(1) $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(OBJ) -MF $$@ $$< ifdef IS_ANYTHING_TO_BUILD -include $(PREREQUISITES) endif endef define MAKE_LD $(eval PREREQUISITES := $(1).d) $(1) : $(2) @echo " PP $$<" $$(Q)$$(AS) $$(ASFLAGS) -P -E -o $$@ $$< $(PREREQUISITES) : $(2) @echo " DEPS $$@" @mkdir -p $$(dir $$@) $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(1) -MF $$@ $$< ifdef IS_ANYTHING_TO_BUILD -include $(PREREQUISITES) endif endef define MAKE_OBJS $(eval C_OBJS := $(filter %.c,$(2))) $(eval REMAIN := $(filter-out %.c,$(2))) $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj)))) $(eval S_OBJS := $(filter %.S,$(REMAIN))) $(eval REMAIN := $(filter-out %.S,$(REMAIN))) $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj)))) $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) endef # NOTE: The line continuation '\' is required in the next define otherwise we # end up with a line-feed characer at the end of the last c filename. # Also bare this issue in mind if extending the list of supported filetypes. define SOURCES_TO_OBJS $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) endef define MAKE_BL $(eval BUILD_DIR := ${BUILD_PLAT}/bl$(1)) $(eval SOURCES := $(BL$(1)_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)) $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) $(eval LINKERFILE := $(BUILD_DIR)/bl$(1).ld) $(eval MAPFILE := $(BUILD_DIR)/bl$(1).map) $(eval ELF := $(BUILD_DIR)/bl$(1).elf) $(eval DUMP := $(BUILD_DIR)/bl$(1).dump) $(eval BIN := $(BUILD_PLAT)/bl$(1).bin) $(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES))) $(eval $(call MAKE_LD,$(LINKERFILE),$(BL$(1)_LINKERFILE))) $(BUILD_DIR) : $$(Q)mkdir -p "$$@" $(ELF) : $(OBJS) $(LINKERFILE) @echo " LD $$@" @echo 'const char build_message[] = "Built : "__TIME__", "__DATE__;' | \ $$(CC) $$(CFLAGS) -xc - -o $(BUILD_DIR)/build_message.o $$(Q)$$(LD) -o $$@ $$(LDFLAGS) -Map=$(MAPFILE) --script $(LINKERFILE) \ $(BUILD_DIR)/build_message.o $(OBJS) $(DUMP) : $(ELF) @echo " OD $$@" $${Q}$${OD} -dx $$< > $$@ $(BIN) : $(ELF) @echo " BIN $$@" $$(Q)$$(OC) -O binary $$< $$@ @echo @echo "Built $$@ successfully" @echo .PHONY : bl$(1) bl$(1) : $(BUILD_DIR) $(BIN) $(DUMP) all : bl$(1) $(eval FIP_DEPS += $(if $2,$(BIN),)) $(eval FIP_ARGS += $(if $2,--bl$(1) $(BIN),)) endef ifeq (${NEED_BL1},yes) $(eval $(call MAKE_BL,1)) endif ifeq (${NEED_BL2},yes) $(eval $(call MAKE_BL,2,in_fip)) endif ifeq (${NEED_BL31},yes) BL31_SOURCES += ${SPD_SOURCES} $(eval $(call MAKE_BL,31,in_fip)) endif ifeq (${NEED_BL32},yes) $(eval $(call MAKE_BL,32,in_fip)) endif ${BUILD_PLAT}/fip.bin: ${FIP_DEPS} ${BL33} ${FIPTOOL} $(if ${BL33},,$(error "To build a FIP, please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd")) ${Q}${FIPTOOL} --dump \ ${FIP_ARGS} \ --bl33 ${BL33} \ $@ @echo @echo "Built $@ successfully" @echo cscope: @echo " CSCOPE" ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files ${Q}cscope -b -q -k help: @echo "usage: ${MAKE} PLAT=<${HELP_PLATFORMS}> <all|bl1|bl2|bl31|distclean|clean|checkcodebase|checkpatch>" @echo "" @echo "PLAT is used to specify which platform you wish to build." @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" @echo "" @echo "Supported Targets:" @echo " all Build the BL1, BL2 and BL31 binaries" @echo " bl1 Build the BL1 binary" @echo " bl2 Build the BL2 binary" @echo " bl31 Build the BL31 binary" @echo " checkcodebase Check the coding style of the entire source tree" @echo " checkpatch Check the coding style on changes in the current" @echo " branch against BASE_COMMIT (default origin/master)" @echo " clean Clean the build for the selected platform" @echo " cscope Generate cscope index" @echo " distclean Remove all build artifacts for all platforms" @echo " fiptool Build the Firmware Image Package(FIP) creation tool" @echo "" @echo "note: most build targets require PLAT to be set to a specific platform." @echo "" @echo "example: build all targets for the FVP platform:" @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"