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