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scripts/Makefile.spl
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# # (C) Copyright 2000-2011 # Wolfgang Denk, DENX Software Engineering, wd@denx.de. # # (C) Copyright 2011 # Daniel Schwierzeck, daniel.schwierzeck@googlemail.com. # # (C) Copyright 2011 # Texas Instruments Incorporated - http://www.ti.com/ # Aneesh V <aneesh@ti.com> # |
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# SPDX-License-Identifier: GPL-2.0+ |
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# # Based on top-level Makefile. # |
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src := $(obj) # Create output directory if not already present _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj)) |
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include $(srctree)/scripts/Kbuild.include |
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-include include/config/auto.conf |
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-include $(obj)/include/autoconf.mk |
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KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD ifeq ($(CONFIG_TPL_BUILD),y) KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD endif |
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ifeq ($(CONFIG_TPL_BUILD),y) |
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SPL_BIN := u-boot-tpl else SPL_BIN := u-boot-spl endif |
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include $(srctree)/config.mk |
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include $(srctree)/arch/$(ARCH)/Makefile |
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# Enable garbage collection of un-used sections for SPL KBUILD_CFLAGS += -ffunction-sections -fdata-sections LDFLAGS_FINAL += --gc-sections |
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# FIX ME |
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cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ $(NOSTDINC_FLAGS) |
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c_flags := $(KBUILD_CFLAGS) $(cpp_flags) |
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HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) |
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libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) |
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libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/ |
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libs-y += common/init/ |
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# Special handling for a few options which support SPL/TPL ifeq ($(CONFIG_TPL_BUILD),y) libs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/ libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/ else |
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libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/ |
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libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/ endif |
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libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/ |
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libs-y += drivers/ |
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libs-$(CONFIG_SPL_DFU_SUPPORT) += drivers/dfu/ libs-$(CONFIG_SPL_DFU_SUPPORT) += drivers/usb/gadget/ libs-$(CONFIG_SPL_DFU_SUPPORT) += drivers/usb/gadget/udc/ libs-$(CONFIG_SPL_DFU_SUPPORT) += drivers/usb/dwc3/ |
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libs-y += dts/ |
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libs-y += fs/ |
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libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/ libs-$(CONFIG_SPL_NET_SUPPORT) += net/ |
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head-y := $(addprefix $(obj)/,$(head-y)) libs-y := $(addprefix $(obj)/,$(libs-y)) u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) |
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# Add GCC lib |
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ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) |
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PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a |
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PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC) |
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endif |
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u-boot-spl-init := $(head-y) u-boot-spl-main := $(libs-y) |
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ifdef CONFIG_SPL_OF_PLATDATA u-boot-spl-platdata := $(obj)/dts/dt-platdata.o endif |
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# Linker Script ifdef CONFIG_SPL_LDSCRIPT # need to strip off double quotes |
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LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%)) |
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endif ifeq ($(wildcard $(LDSCRIPT)),) |
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LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds |
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endif ifeq ($(wildcard $(LDSCRIPT)),) |
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LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds |
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endif ifeq ($(wildcard $(LDSCRIPT)),) |
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LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds |
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endif ifeq ($(wildcard $(LDSCRIPT)),) |
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$(error could not find linker script) endif # Special flags for CPP when processing the linker script. # Pass the version down so we can handle backwards compatibility # on the fly. LDPPFLAGS += \ |
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-include $(srctree)/include/u-boot/u-boot.lds.h \ |
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-include $(objtree)/include/config.h \ |
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-DCPUDIR=$(CPUDIR) \ |
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$(shell $(LD) --version | \ sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') |
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quiet_cmd_mkimage = MKIMAGE $@ |
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cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ $(if $(KBUILD_VERBOSE:1=), >/dev/null) |
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MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE) MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE) |
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MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE |
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$(call if_changed,mkimage) |
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ifeq ($(CONFIG_SYS_SOC),"at91") |
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MKIMAGEFLAGS_boot.bin = -T atmelimage ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y) MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params) boot.bin: $(obj)/../tools/atmel_pmecc_params endif |
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boot.bin: $(obj)/u-boot-spl.bin FORCE |
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$(call if_changed,mkimage) |
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else |
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ifdef CONFIG_ARCH_ZYNQ |
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MKIMAGEFLAGS_boot.bin = -T zynqimage |
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endif ifdef CONFIG_ARCH_ZYNQMP MKIMAGEFLAGS_boot.bin = -T zynqmpimage endif |
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spl/boot.bin: $(obj)/u-boot-spl.bin FORCE |
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$(call if_changed,mkimage) endif |
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ALL-y += $(obj)/$(SPL_BIN).bin |
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ifdef CONFIG_SAMSUNG |
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ALL-y += $(obj)/$(BOARD)-spl.bin |
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endif |
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ifdef CONFIG_ARCH_SOCFPGA |
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ALL-y += $(obj)/$(SPL_BIN).sfp |
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endif |
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ifdef CONFIG_SUNXI |
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ALL-y += $(obj)/sunxi-spl.bin endif |
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ifeq ($(CONFIG_SYS_SOC),"at91") ALL-y += boot.bin endif |
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ALL-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin ALL-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin |
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all: $(ALL-y) |
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quiet_cmd_cat = CAT $@ cmd_cat = cat $(filter-out $(PHONY), $^) > $@ |
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quiet_cmd_copy = COPY $@ cmd_copy = cp $< $@ |
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ifeq ($(CONFIG_SPL_OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_SPL_OF_PLATDATA),yy) |
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$(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin $(obj)/$(SPL_BIN)-pad.bin \ |
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$(obj)/$(SPL_BIN).dtb FORCE $(call if_changed,cat) |
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$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE $(call if_changed,copy) else $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE $(call if_changed,copy) endif # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end |
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$(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN) @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \ dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null; # Pass the original device tree file through fdtgrep twice. The first pass # removes any unwanted nodes (i.e. those which don't have the # 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second # pass removes various unused properties from the remaining nodes. # The output is typically a much smaller device tree file. quiet_cmd_fdtgrep = FDTGREP $@ cmd_fdtgrep = $(objtree)/tools/fdtgrep -b u-boot,dm-pre-reloc -RT $< \ -n /chosen -O dtb | \ $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \ $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS))) |
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$(obj)/$(SPL_BIN).dtb: dts/dt.dtb $(objtree)/tools/fdtgrep FORCE $(call if_changed,fdtgrep) |
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pythonpath = PYTHONPATH=tools quiet_cmd_dtocc = DTOC C $@ cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata quiet_cmd_dtoch = DTOC H $@ cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct quiet_cmd_plat = PLAT $@ cmd_plat = $(CC) $(c_flags) -c $< -o $@ $(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c include/generated/dt-structs.h $(call if_changed,plat) PHONY += dts_dir dts_dir: $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts) include/generated/dt-structs.h: $(obj)/$(SPL_BIN).dtb dts_dir dtoc $(call if_changed,dtoch) $(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir dtoc $(call if_changed,dtocc) dtoc: #$(objtree)/tools/_libfdt.so |
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ifdef CONFIG_SAMSUNG |
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ifdef CONFIG_VAR_SIZE_SPL VAR_SIZE_PARAM = --vs else VAR_SIZE_PARAM = endif |
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$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin |
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$(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\ $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\ $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@ |
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endif |
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quiet_cmd_objcopy = OBJCOPY $@ cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ |
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OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary |
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$(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE |
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$(call if_changed,objcopy) |
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LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL) |
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ifneq ($(CONFIG_SPL_TEXT_BASE),) LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE) endif |
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MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE |
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$(call if_changed,mkimage) |
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quiet_cmd_mksunxiboot = MKSUNXI $@ cmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@ |
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$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE |
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$(call if_changed,mksunxiboot) |
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# Rule to link u-boot-spl # May be overridden by arch/$(ARCH)/config.mk quiet_cmd_u-boot-spl ?= LD $@ cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ |
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$(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \ |
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$(patsubst $(obj)/%,%,$(u-boot-spl-main)) \ $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \ --end-group \ |
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$(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN)) |
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$(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \ $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE |
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$(call if_changed,u-boot-spl) |
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$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ; |
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PHONY += $(u-boot-spl-dirs) |
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$(u-boot-spl-dirs): $(u-boot-spl-platdata) |
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$(Q)$(MAKE) $(build)=$@ |
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quiet_cmd_cpp_lds = LDS $@ |
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cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< |
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$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE |
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$(call if_changed_dep,cpp_lds) |
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# read all saved command lines targets := $(wildcard $(sort $(targets))) cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) ifneq ($(cmd_files),) $(cmd_files): ; # Do not try to update included dependency files include $(cmd_files) endif |
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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) |