diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 569 |
1 files changed, 298 insertions, 271 deletions
@@ -14,8 +14,8 @@ U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) else U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL)$(EXTRAVERSION) endif -TIMESTAMP_FILE = $(obj)include/generated/timestamp_autogenerated.h -VERSION_FILE = $(obj)include/generated/version_autogenerated.h +TIMESTAMP_FILE = include/generated/timestamp_autogenerated.h +VERSION_FILE = include/generated/version_autogenerated.h HOSTARCH := $(shell uname -m | \ sed -e s/i.86/x86/ \ @@ -43,32 +43,82 @@ else XECHO = : endif -######################################################################### -# -# U-boot build supports generating object files in a separate external -# directory. Two use cases are supported: -# -# 1) Add O= to the make command line -# 'make O=/tmp/build all' -# -# 2) Set environment variable BUILD_DIR to point to the desired location -# 'export BUILD_DIR=/tmp/build' -# 'make' -# -# The second approach can also be used with a MAKEALL script -# 'export BUILD_DIR=/tmp/build' -# './MAKEALL' +# kbuild supports saving output files in a separate directory. +# To locate output files in a separate directory two syntaxes are supported. +# In both cases the working directory must be the root of the kernel src. +# 1) O= +# Use "make O=dir/to/store/output/files/" # -# Command line 'O=' setting overrides BUILD_DIR environment variable. -# -# When none of the above methods is used the local build is performed and -# the object files are placed in the source directory. +# 2) Set KBUILD_OUTPUT +# Set the environment variable KBUILD_OUTPUT to point to the directory +# where the output files shall be placed. +# export KBUILD_OUTPUT=dir/to/store/output/files/ +# make # +# The O= assignment takes precedence over the KBUILD_OUTPUT environment +# variable. + + +# KBUILD_SRC is set on invocation of make in OBJ directory +# KBUILD_SRC is not intended to be used by the regular user (for now) +ifeq ($(KBUILD_SRC),) +# OK, Make called in directory where kernel src resides +# Do we want to locate output files in a separate directory? ifeq ("$(origin O)", "command line") -BUILD_DIR := $(O) + KBUILD_OUTPUT := $(O) +endif + +ifeq ("$(origin W)", "command line") + export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W) endif +# That's our default target when none is given on the command line +PHONY := _all +_all: + +# Cancel implicit rules on top Makefile +$(CURDIR)/Makefile Makefile: ; + +ifneq ($(KBUILD_OUTPUT),) +# Invoke a second make in the output directory, passing relevant variables +# check that the output directory actually exists +saved-output := $(KBUILD_OUTPUT) +KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd) +$(if $(KBUILD_OUTPUT),, \ + $(error output directory "$(saved-output)" does not exist)) + +PHONY += $(MAKECMDGOALS) sub-make + +$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make + @: + +sub-make: FORCE + $(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \ + KBUILD_SRC=$(CURDIR) \ + KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \ + $(filter-out _all sub-make,$(MAKECMDGOALS)) + +# Leave processing to above invocation of make +skip-makefile := 1 +endif # ifneq ($(KBUILD_OUTPUT),) +endif # ifeq ($(KBUILD_SRC),) + +# We process the rest of the Makefile if this is the final invocation of make +ifeq ($(skip-makefile),) + +PHONY += all +_all: all + +srctree := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR)) +objtree := $(CURDIR) +src := $(srctree) +obj := $(objtree) + +VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) + +export srctree objtree VPATH + # Call a source code checker (by default, "sparse") as part of the # C compilation. # @@ -87,41 +137,16 @@ ifndef CHECKSRC endif export CHECKSRC -ifneq ($(BUILD_DIR),) -saved-output := $(BUILD_DIR) - -# Attempt to create a output directory. -$(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR}) - -# Verify if it was successful. -BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd) -$(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist)) -endif # ifneq ($(BUILD_DIR),) - -OBJTREE := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR)) +OBJTREE := $(objtree) SPLTREE := $(OBJTREE)/spl TPLTREE := $(OBJTREE)/tpl -SRCTREE := $(CURDIR) -srctree := $(SRCTREE) +SRCTREE := $(srctree) TOPDIR := $(SRCTREE) -LNDIR := $(OBJTREE) -export TOPDIR SRCTREE srctree OBJTREE SPLTREE TPLTREE +export TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE MKCONFIG := $(SRCTREE)/mkconfig export MKCONFIG -# $(obj) and (src) are defined in config.mk but here in main Makefile -# we also need them before config.mk is included which is the case for -# some targets like unconfig, clean, clobber, distclean, etc. -ifneq ($(OBJTREE),$(SRCTREE)) -obj := $(OBJTREE)/ -src := $(SRCTREE)/ -else -obj := -src := -endif -export obj src - # Make sure CDPATH settings don't interfere unexport CDPATH @@ -136,14 +161,14 @@ SUBDIRS = $(SUBDIR_TOOLS) .PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE) -ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk)) +ifeq (include/config.mk,$(wildcard include/config.mk)) # Include autoconf.mk before config.mk so that the config options are available # to all top level build files. We need the dummy all: target to prevent the # dependency target in autoconf.mk.dep from being the default. all: -sinclude $(obj)include/autoconf.mk.dep -sinclude $(obj)include/autoconf.mk +sinclude include/autoconf.mk.dep +sinclude include/autoconf.mk SUBDIR_EXAMPLES-y := examples/standalone SUBDIR_EXAMPLES-$(CONFIG_API) += examples/api @@ -152,7 +177,7 @@ SUBDIRS += $(SUBDIR_EXAMPLES-y) endif # load ARCH, BOARD, and CPU configuration -include $(obj)include/config.mk +include include/config.mk export ARCH CPU BOARD VENDOR SOC # set default to nothing for native builds @@ -197,6 +222,9 @@ HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") endif +# Look for make include files relative to root of kernel src +MAKEFLAGS += --include-dir=$(srctree) + # We need some generic definitions (do not try to remake the file). $(srctree)/scripts/Kbuild.include: ; include $(srctree)/scripts/Kbuild.include @@ -287,7 +315,7 @@ endif export CONFIG_SYS_TEXT_BASE -LDFLAGS_u-boot += -T $(obj)u-boot.lds $(LDFLAGS_FINAL) +LDFLAGS_u-boot += -T u-boot.lds $(LDFLAGS_FINAL) ifneq ($(CONFIG_SYS_TEXT_BASE),) LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) endif @@ -350,9 +378,9 @@ head-y := $(CPUDIR)/start.o head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o -OBJS := $(addprefix $(obj),$(head-y)) +OBJS := $(head-y) -HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n) +HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) LIBS-y += lib/ LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ @@ -412,7 +440,7 @@ LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/ LIBS-y += board/$(BOARDDIR)/ LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y)) -LIBS := $(addprefix $(obj),$(sort $(LIBS-y))) +LIBS := $(sort $(LIBS-y)) .PHONY : $(LIBS) # Add GCC lib @@ -437,9 +465,6 @@ LDPPFLAGS += \ $(shell $(LD) --version | \ sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') -__OBJS := $(subst $(obj),,$(OBJS)) -__LIBS := $(subst $(obj),,$(LIBS)) - ######################################################################### ######################################################################### @@ -464,66 +489,66 @@ ifneq ($(CONFIG_STATIC_RELA),) DO_STATIC_RELA = \ start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ - $(obj)tools/relocate-rela $(2) $(3) $$start $$end + tools/relocate-rela $(2) $(3) $$start $$end else DO_STATIC_RELA = endif # Always append ALL so that arch config.mk's can add custom ones -ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map - -ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin -ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin -ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl -ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin -ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img -ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin -ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin +ALL-y += u-boot.srec u-boot.bin System.map + +ALL-$(CONFIG_NAND_U_BOOT) += u-boot-nand.bin +ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin +ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl +ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin +ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img +ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin +ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb u-boot-dtb.bin ifneq ($(CONFIG_SPL_TARGET),) -ALL-$(CONFIG_SPL) += $(obj)$(CONFIG_SPL_TARGET:"%"=%) +ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) endif -ALL-$(CONFIG_REMAKE_ELF) += $(obj)u-boot.elf +ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf # enable combined SPL/u-boot/dtb rules for tegra ifneq ($(CONFIG_TEGRA),) ifeq ($(CONFIG_SPL),y) ifeq ($(CONFIG_OF_SEPARATE),y) -ALL-y += $(obj)u-boot-dtb-tegra.bin +ALL-y += u-boot-dtb-tegra.bin else -ALL-y += $(obj)u-boot-nodtb-tegra.bin +ALL-y += u-boot-nodtb-tegra.bin endif endif endif all: $(ALL-y) $(SUBDIR_EXAMPLES-y) -$(obj)u-boot.dtb: checkdtc $(obj)u-boot - $(MAKE) $(build) dts binary - mv $(obj)dts/dt.dtb $@ +u-boot.dtb: checkdtc u-boot + $(MAKE) $(build)=dts binary + mv dts/dt.dtb $@ -$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb +u-boot-dtb.bin: u-boot.bin u-boot.dtb cat $^ >$@ -$(obj)u-boot.hex: $(obj)u-boot +u-boot.hex: u-boot $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -$(obj)u-boot.srec: $(obj)u-boot +u-boot.srec: u-boot $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -$(obj)u-boot.bin: $(obj)u-boot +u-boot.bin: u-boot $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) $(BOARD_SIZE_CHECK) -$(obj)u-boot.ldr: $(obj)u-boot +u-boot.ldr: u-boot $(CREATE_LDR_ENV) $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) $(BOARD_SIZE_CHECK) -$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr +u-boot.ldr.hex: u-boot.ldr $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary -$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr +u-boot.ldr.srec: u-boot.ldr $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary # @@ -534,79 +559,78 @@ ifndef CONFIG_SYS_UBOOT_START CONFIG_SYS_UBOOT_START := 0 endif -$(obj)u-boot.img: $(obj)u-boot.bin - $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ +u-boot.img: u-boot.bin + tools/mkimage -A $(ARCH) -T firmware -C none \ -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ -e $(CONFIG_SYS_UBOOT_START) \ -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ -d $< $@ -$(obj)u-boot.imx: $(obj)u-boot.bin depend - $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx +u-boot.imx: u-boot.bin depend + $(MAKE) $(build)=arch/arm/imx-common $(objtree)/u-boot.imx -$(obj)u-boot.kwb: $(obj)u-boot.bin - $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ +u-boot.kwb: u-boot.bin + tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ -$(obj)u-boot.pbl: $(obj)u-boot.bin - $(obj)tools/mkimage -n $(CONFIG_SYS_FSL_PBL_RCW) \ +u-boot.pbl: u-boot.bin + tools/mkimage -n $(CONFIG_SYS_FSL_PBL_RCW) \ -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage \ -d $< $@ -$(obj)u-boot.sha1: $(obj)u-boot.bin - $(obj)tools/ubsha1 $(obj)u-boot.bin +u-boot.sha1: u-boot.bin + tools/ubsha1 u-boot.bin -$(obj)u-boot.dis: $(obj)u-boot +u-boot.dis: u-boot $(OBJDUMP) -d $< > $@ # $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, # $(4) is pad-to SPL_PAD_APPEND = \ $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ - $(1) $(obj)$(3); \ - cat $(obj)$(3) $(2) > $@; \ - rm $(obj)$(3) + $(1) $(3); \ + cat $(3) $(2) > $@; \ + rm $(3) ifdef CONFIG_TPL -SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin +SPL_PAYLOAD := tpl/u-boot-with-tpl.bin else -SPL_PAYLOAD := $(obj)u-boot.bin +SPL_PAYLOAD := u-boot.bin endif -$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD) +u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) -$(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin - $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) +tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin + $(call SPL_PAD_APPEND,$<,u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) -$(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin - $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ +u-boot-with-spl.imx: spl/u-boot-spl.bin u-boot.bin + $(MAKE) $(build)=arch/arm/imx-common \ $(OBJTREE)/u-boot-with-spl.imx -$(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin - $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ +u-boot-with-nand-spl.imx: spl/u-boot-spl.bin u-boot.bin + $(MAKE) $(build)=arch/arm/imx-common \ $(OBJTREE)/u-boot-with-nand-spl.imx -$(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin - $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ - -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl +u-boot.ubl: u-boot-with-spl.bin + tools/mkimage -n $(UBL_CONFIG) -T ublimage \ + -e $(CONFIG_SYS_TEXT_BASE) -d $< u-boot.ubl -$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img - $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \ +u-boot.ais: spl/u-boot-spl.bin u-boot.img + tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ -T aisimage \ -e $(CONFIG_SPL_TEXT_BASE) \ - -d $(obj)spl/u-boot-spl.bin \ - $(obj)spl/u-boot-spl.ais + -d spl/u-boot-spl.bin \ + spl/u-boot-spl.ais $(OBJCOPY) ${OBJCFLAGS} -I binary \ --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ - $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais - cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \ - $(obj)u-boot.ais + spl/u-boot-spl.ais spl/u-boot-spl-pad.ais + cat spl/u-boot-spl-pad.ais u-boot.img > u-boot.ais -$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin - $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb +u-boot.sb: u-boot.bin spl/u-boot-spl.bin + $(MAKE) $(build)=$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. # Both images are created using mkimage (crc etc), so that the ROM @@ -614,124 +638,123 @@ $(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin # SPL image (with mkimage header) and not the binary. Otherwise the resulting image # which is loaded/copied by the ROM bootloader to SRAM doesn't fit. # The resulting image containing both U-Boot images is called u-boot.spr -$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin - $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ +u-boot.spr: u-boot.img spl/u-boot-spl.bin + tools/mkimage -A $(ARCH) -T firmware -C none \ -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ - -d $(obj)spl/u-boot-spl.bin $@ + -d spl/u-boot-spl.bin $@ $(OBJCOPY) -I binary -O binary \ --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@ - cat $(obj)u-boot.img >> $@ + cat u-boot.img >> $@ ifneq ($(CONFIG_TEGRA),) -$(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin - $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin - cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@ - rm $(obj)spl/u-boot-spl-pad.bin +u-boot-nodtb-tegra.bin: spl/u-boot-spl.bin u-boot.bin + $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary spl/u-boot-spl spl/u-boot-spl-pad.bin + cat spl/u-boot-spl-pad.bin u-boot.bin > $@ + rm spl/u-boot-spl-pad.bin ifeq ($(CONFIG_OF_SEPARATE),y) -$(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb - cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@ +u-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin u-boot.dtb + cat u-boot-nodtb-tegra.bin u-boot.dtb > $@ endif endif -$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img - cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@ +u-boot-img.bin: spl/u-boot-spl.bin u-boot.img + cat spl/u-boot-spl.bin u-boot.img > $@ # PPC4xx needs the SPL at the end of the image, since the reset vector # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target # and need to introduce a new build target with the full blown U-Boot # at the start padded up to the start of the SPL image. And then concat # the SPL image to the end. -$(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img +u-boot-img-spl-at-end.bin: spl/u-boot-spl.bin u-boot.img $(OBJCOPY) -I binary -O binary --pad-to=$(CONFIG_UBOOT_PAD_TO) \ - --gap-fill=0xff $(obj)u-boot.img $@ - cat $(obj)spl/u-boot-spl.bin >> $@ + --gap-fill=0xff u-boot.img $@ + cat spl/u-boot-spl.bin >> $@ # Create a new ELF from a raw binary file. This is useful for arm64 # where static relocation needs to be performed on the raw binary, # but certain simulators only accept an ELF file (but don't do the # relocation). # FIXME refactor dts/Makefile to share target/arch detection -$(obj)u-boot.elf: $(obj)u-boot.bin +u-boot.elf: u-boot.bin @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ - $< $(obj)u-boot-elf.o - @$(LD) $(obj)u-boot-elf.o -o $@ \ + $< u-boot-elf.o + @$(LD) u-boot-elf.o -o $@ \ --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ -Ttext=$(CONFIG_SYS_TEXT_BASE) ifeq ($(CONFIG_SANDBOX),y) GEN_UBOOT = \ - cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ - -Wl,--start-group $(__LIBS) -Wl,--end-group \ + $(CC) $(SYMS) -T u-boot.lds \ + -Wl,--start-group $(LIBS) -Wl,--end-group \ $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot else GEN_UBOOT = \ - cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ - $(__OBJS) \ - --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ + $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ + $(OBJS) \ + --start-group $(LIBS) --end-group $(PLATFORM_LIBS) \ -Map u-boot.map -o u-boot endif -$(obj)u-boot: depend \ - $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(obj)u-boot.lds +u-boot: depend $(SUBDIR_TOOLS) $(OBJS) $(LIBS) u-boot.lds $(GEN_UBOOT) ifeq ($(CONFIG_KALLSYMS),y) - smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \ + smap=`$(call SYSTEM_MAP,u-boot) | \ awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ - -c common/system_map.c -o $(obj)common/system_map.o - $(GEN_UBOOT) $(obj)common/system_map.o + -c $(srctree)/common/system_map.c -o common/system_map.o + $(GEN_UBOOT) common/system_map.o endif $(OBJS): @: $(LIBS): depend $(SUBDIR_TOOLS) - $(MAKE) $(build) $(dir $(subst $(obj),,$@)) + $(MAKE) $(build)=$(patsubst %/,%,$(dir $@)) $(SUBDIRS): depend - $(MAKE) $(build) $@ all + $(MAKE) $(build)=$@ all -$(SUBDIR_EXAMPLES-y): $(obj)u-boot +$(SUBDIR_EXAMPLES-y): u-boot -$(obj)u-boot.lds: $(LDSCRIPT) depend +u-boot.lds: $(LDSCRIPT) depend $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend - $(MAKE) $(build) nand_spl/board/$(BOARDDIR) all + $(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all -$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin - cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin +u-boot-nand.bin: nand_spl u-boot.bin + cat nand_spl/u-boot-spl-16k.bin u-boot.bin > u-boot-nand.bin -$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend - $(MAKE) -C spl all +spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend + $(MAKE) obj=spl -f $(srctree)/spl/Makefile all -$(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend - $(MAKE) -C spl all CONFIG_TPL_BUILD=y +tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend + $(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y # Explicitly make _depend in subdirs containing multiple targets to prevent # parallel sub-makes creating .depend files simultaneously. depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ - $(obj)include/spl-autoconf.mk \ - $(obj)include/tpl-autoconf.mk \ - $(obj)include/autoconf.mk \ - $(obj)include/generated/generic-asm-offsets.h \ - $(obj)include/generated/asm-offsets.h + include/spl-autoconf.mk \ + include/tpl-autoconf.mk \ + include/autoconf.mk \ + include/generated/generic-asm-offsets.h \ + include/generated/asm-offsets.h TAG_SUBDIRS = $(SUBDIRS) -TAG_SUBDIRS += $(dir $(__LIBS)) +TAG_SUBDIRS += $(dir $(LIBS)) TAG_SUBDIRS += include FIND := find FINDFLAGS := -L checkstack: - $(CROSS_COMPILE)objdump -d $(obj)u-boot \ - `$(FIND) $(obj) -name u-boot-spl -print` | \ - perl $(src)scripts/checkstack.pl $(ARCH) + $(CROSS_COMPILE)objdump -d u-boot \ + `$(FIND) . -name u-boot-spl -print` | \ + perl $(src)/scripts/checkstack.pl $(ARCH) tags ctags: - ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ + ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ -name '*.[chS]' -print` etags: @@ -746,7 +769,7 @@ SYSTEM_MAP = \ $(NM) $1 | \ grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ LC_ALL=C sort -$(obj)System.map: $(obj)u-boot +System.map: u-boot @$(call SYSTEM_MAP,$<) > $@ checkthumb: @@ -778,76 +801,76 @@ checkdtc: # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. # the dep file is only include in this top level makefile to determine when # to regenerate the autoconf.mk file. -$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h +include/autoconf.mk.dep: include/config.h include/common.h @$(XECHO) Generating $@ ; \ : Generate the dependancies ; \ $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ - -MQ $(obj)include/autoconf.mk include/common.h > $@ || \ + -MQ include/autoconf.mk $(srctree)/include/common.h > $@ || \ rm $@ -$(obj)include/autoconf.mk: $(obj)include/config.h +include/autoconf.mk: include/config.h @$(XECHO) Generating $@ ; \ : Extract the config macros ; \ - $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ - sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ + $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ + sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ rm $@.tmp # Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL) -$(obj)include/tpl-autoconf.mk: $(obj)include/config.h +include/tpl-autoconf.mk: include/config.h @$(XECHO) Generating $@ ; \ : Extract the config macros ; \ $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\ - -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ - sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ + -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ + sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ rm $@.tmp -$(obj)include/spl-autoconf.mk: $(obj)include/config.h +include/spl-autoconf.mk: include/config.h @$(XECHO) Generating $@ ; \ : Extract the config macros ; \ - $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ - sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ + $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ + sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ rm $@.tmp -$(obj)include/generated/generic-asm-offsets.h: $(obj)lib/asm-offsets.s +include/generated/generic-asm-offsets.h: lib/asm-offsets.s @$(XECHO) Generating $@ - tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ + $(srctree)/tools/scripts/make-asm-offsets lib/asm-offsets.s $@ -$(obj)lib/asm-offsets.s: $(obj)include/config.h $(src)lib/asm-offsets.c - @mkdir -p $(obj)lib +lib/asm-offsets.s: include/config.h $(srctree)/lib/asm-offsets.c + @mkdir -p lib $(CC) -DDO_DEPS_ONLY \ $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ - -o $@ $(src)lib/asm-offsets.c -c -S + -o $@ $(srctree)/lib/asm-offsets.c -c -S -$(obj)include/generated/asm-offsets.h: $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s +include/generated/asm-offsets.h: $(CPUDIR)/$(SOC)/asm-offsets.s @$(XECHO) Generating $@ - tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ + $(srctree)/tools/scripts/make-asm-offsets $(CPUDIR)/$(SOC)/asm-offsets.s $@ -$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/config.h - @mkdir -p $(obj)$(CPUDIR)/$(SOC) - if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ +$(CPUDIR)/$(SOC)/asm-offsets.s: include/config.h + @mkdir -p $(CPUDIR)/$(SOC) + if [ -f $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ $(CC) -DDO_DEPS_ONLY \ $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ - -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ + -o $@ $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ else \ touch $@; \ fi ######################################################################### else # !config.mk -all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ -$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ +all u-boot.hex u-boot.srec u-boot.bin \ +u-boot.img u-boot.dis u-boot \ $(filter-out tools,$(SUBDIRS)) \ -depend dep tags ctags etags cscope $(obj)System.map: +depend dep tags ctags etags cscope System.map: @echo "System not configured - see README" >&2 @ exit 1 tools: $(VERSION_FILE) $(TIMESTAMP_FILE) - $(MAKE) $(build) $@ all + $(MAKE) $(build)=$@ all endif # config.mk # ARM relocations should all be R_ARM_RELATIVE (32-bit) or # R_AARCH64_RELATIVE (64-bit). -checkarmreloc: $(obj)u-boot +checkarmreloc: u-boot @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ grep R_A | sort -u`"; \ if test "$$RELOC" != "R_ARM_RELATIVE" -a \ @@ -877,15 +900,15 @@ $(TIMESTAMP_FILE): @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ easylogo env gdb: - $(MAKE) $(build) tools/$@ MTD_VERSION=${MTD_VERSION} + $(MAKE) $(build)=tools/$@ MTD_VERSION=${MTD_VERSION} gdbtools: gdb xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc - $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@ + $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) $(build)=doc/DocBook $@ tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) - $(MAKE) $(build) tools HOST_TOOLS_ALL=y + $(MAKE) $(build)=tools HOST_TOOLS_ALL=y .PHONY : CHANGELOG CHANGELOG: @@ -897,57 +920,52 @@ include/license.h: tools/bin2header COPYING ######################################################################### unconfig: - @rm -f $(obj)include/config.h $(obj)include/config.mk \ - $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ - $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \ - $(obj)include/spl-autoconf.mk \ - $(obj)include/tpl-autoconf.mk + @rm -f include/config.h include/config.mk \ + board/*/config.tmp board/*/*/config.tmp \ + include/autoconf.mk include/autoconf.mk.dep \ + include/spl-autoconf.mk \ + include/tpl-autoconf.mk %_config:: unconfig @$(MKCONFIG) -A $(@:_config=) -sinclude $(obj).boards.depend -$(obj).boards.depend: boards.cfg - @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@ - -######################################################################### ######################################################################### clean: - @rm -f $(obj)examples/standalone/atmel_df_pow2 \ - $(obj)examples/standalone/hello_world \ - $(obj)examples/standalone/interrupt \ - $(obj)examples/standalone/mem_to_mem_idma2intr \ - $(obj)examples/standalone/sched \ - $(addprefix $(obj)examples/standalone/, smc91111_eeprom smc911x_eeprom) \ - $(obj)examples/standalone/test_burst \ - $(obj)examples/standalone/timer - @rm -f $(addprefix $(obj)examples/api/, demo demo.bin) - @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ - $(obj)tools/env/fw_printenv \ - $(obj)tools/envcrc \ - $(addprefix $(obj)tools/gdb/, gdbcont gdbsend) \ - $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ - $(obj)tools/dumpimage \ - $(addprefix $(obj)tools/, mkenvimage mkimage) \ - $(obj)tools/mpc86x_clk \ - $(addprefix $(obj)tools/, mk$(BOARD)spl mkexynosspl) \ - $(obj)tools/mxsboot \ - $(obj)tools/ncb $(obj)tools/ubsha1 \ - $(obj)tools/kernel-doc/docproc \ - $(obj)tools/proftool - @rm -f $(addprefix $(obj)board/cray/L1/, bootscript.c bootscript.image) \ - $(obj)board/matrix_vision/*/bootscript.img \ - $(obj)spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl \ - $(obj)u-boot.lds \ - $(addprefix $(obj)arch/blackfin/cpu/, init.lds init.elf) - @rm -f $(obj)include/bmp_logo.h - @rm -f $(obj)include/bmp_logo_data.h - @rm -f $(obj)lib/asm-offsets.s - @rm -f $(obj)include/generated/asm-offsets.h - @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s + @rm -f examples/standalone/atmel_df_pow2 \ + examples/standalone/hello_world \ + examples/standalone/interrupt \ + examples/standalone/mem_to_mem_idma2intr \ + examples/standalone/sched \ + $(addprefix examples/standalone/, smc91111_eeprom smc911x_eeprom) \ + examples/standalone/test_burst \ + examples/standalone/timer + @rm -f $(addprefix examples/api/, demo demo.bin) + @rm -f tools/bmp_logo tools/easylogo/easylogo \ + tools/env/fw_printenv \ + tools/envcrc \ + $(addprefix tools/gdb/, gdbcont gdbsend) \ + tools/gen_eth_addr tools/img2srec \ + tools/dumpimage \ + $(addprefix tools/, mkenvimage mkimage) \ + tools/mpc86x_clk \ + $(addprefix tools/, mk$(BOARD)spl mkexynosspl) \ + tools/mxsboot \ + tools/ncb tools/ubsha1 \ + tools/kernel-doc/docproc \ + tools/proftool + @rm -f $(addprefix board/cray/L1/, bootscript.c bootscript.image) \ + board/matrix_vision/*/bootscript.img \ + spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl \ + u-boot.lds \ + $(addprefix arch/blackfin/cpu/, init.lds init.elf) + @rm -f include/bmp_logo.h + @rm -f include/bmp_logo_data.h + @rm -f lib/asm-offsets.s + @rm -f include/generated/asm-offsets.h + @rm -f $(CPUDIR)/$(SOC)/asm-offsets.s @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) - @$(MAKE) -s -C doc/DocBook/ cleandocs + @$(MAKE) -f $(srctree)/doc/DocBook/Makefile cleandocs @find $(OBJTREE) -type f \ \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ -o -name '*.o' -o -name '*.a' -o -name '*.exe' \ @@ -962,38 +980,38 @@ clobber: tidy @find $(OBJTREE) -type f \( -name '*.srec' \ -o -name '*.bin' -o -name u-boot.img \) \ -print0 | xargs -0 rm -f - @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ - $(obj)cscope.* $(obj)*.*~ - @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) - @rm -f $(obj)u-boot.kwb - @rm -f $(obj)u-boot.pbl - @rm -f $(obj)u-boot.imx - @rm -f $(obj)u-boot-with-spl.imx - @rm -f $(obj)u-boot-with-nand-spl.imx - @rm -f $(obj)u-boot.ubl - @rm -f $(obj)u-boot.ais - @rm -f $(obj)u-boot.dtb - @rm -f $(obj)u-boot.sb - @rm -f $(obj)u-boot.spr - @rm -f $(addprefix $(obj)nand_spl/, u-boot.lds u-boot.lst System.map) - @rm -f $(addprefix $(obj)nand_spl/, u-boot-nand_spl.lds u-boot-spl u-boot-spl.map) - @rm -f $(addprefix $(obj)spl/, u-boot-spl u-boot-spl.bin u-boot-spl.map) - @rm -f $(obj)spl/u-boot-spl.lds - @rm -f $(addprefix $(obj)tpl/, u-boot-tpl u-boot-tpl.bin u-boot-tpl.map) - @rm -f $(obj)tpl/u-boot-spl.lds - @rm -f $(obj)MLO MLO.byteswap - @rm -f $(obj)SPL - @rm -f $(obj)tools/xway-swap-bytes - @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm - @rm -fr $(obj)include/generated - @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f - @rm -f $(obj)dts/*.tmp - @rm -f $(addprefix $(obj)spl/, u-boot-spl.ais, u-boot-spl-pad.ais) + @rm -f $(OBJS) *.bak ctags etags TAGS \ + cscope.* *.*~ + @rm -f u-boot u-boot.map u-boot.hex $(ALL-y) + @rm -f u-boot.kwb + @rm -f u-boot.pbl + @rm -f u-boot.imx + @rm -f u-boot-with-spl.imx + @rm -f u-boot-with-nand-spl.imx + @rm -f u-boot.ubl + @rm -f u-boot.ais + @rm -f u-boot.dtb + @rm -f u-boot.sb + @rm -f u-boot.spr + @rm -f $(addprefix nand_spl/, u-boot.lds u-boot.lst System.map) + @rm -f $(addprefix nand_spl/, u-boot-nand_spl.lds u-boot-spl u-boot-spl.map) + @rm -f $(addprefix spl/, u-boot-spl u-boot-spl.bin u-boot-spl.map) + @rm -f spl/u-boot-spl.lds + @rm -f $(addprefix tpl/, u-boot-tpl u-boot-tpl.bin u-boot-tpl.map) + @rm -f tpl/u-boot-spl.lds + @rm -f MLO MLO.byteswap + @rm -f SPL + @rm -f tools/xway-swap-bytes + @rm -fr include/asm/proc include/asm/arch include/asm + @rm -fr include/generated + @[ ! -d nand_spl ] || find nand_spl -name "*" -type l -print | xargs rm -f + @rm -f dts/*.tmp + @rm -f $(addprefix spl/, u-boot-spl.ais, u-boot-spl-pad.ais) mrproper \ distclean: clobber unconfig ifneq ($(OBJTREE),$(SRCTREE)) - rm -rf $(obj)* + rm -rf * endif backup: @@ -1001,3 +1019,12 @@ backup: gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F ######################################################################### + +endif # skip-makefile + +PHONY += FORCE +FORCE: + +# Declare the contents of the .PHONY variable as phony. We keep that +# information in a variable so we can use it in if_changed and friends. +.PHONY: $(PHONY) |