1c7163083SMasahiro Yamada# 2c7163083SMasahiro Yamada# (C) Copyright 2000-2011 3c7163083SMasahiro Yamada# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4c7163083SMasahiro Yamada# 5c7163083SMasahiro Yamada# (C) Copyright 2011 6c7163083SMasahiro Yamada# Daniel Schwierzeck, daniel.schwierzeck@googlemail.com. 7c7163083SMasahiro Yamada# 8c7163083SMasahiro Yamada# (C) Copyright 2011 9c7163083SMasahiro Yamada# Texas Instruments Incorporated - http://www.ti.com/ 10c7163083SMasahiro Yamada# Aneesh V <aneesh@ti.com> 11c7163083SMasahiro Yamada# 12c7163083SMasahiro Yamada# SPDX-License-Identifier: GPL-2.0+ 13c7163083SMasahiro Yamada# 14c7163083SMasahiro Yamada# Based on top-level Makefile. 15c7163083SMasahiro Yamada# 16c7163083SMasahiro Yamada 17c7163083SMasahiro Yamadasrc := $(obj) 18c7163083SMasahiro Yamada 19c7163083SMasahiro Yamada# Create output directory if not already present 20c7163083SMasahiro Yamada_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj)) 21c7163083SMasahiro Yamada 22c7163083SMasahiro Yamadainclude $(srctree)/scripts/Kbuild.include 23c7163083SMasahiro Yamada 24e02ee254SMasahiro Yamada-include include/config/auto.conf 2551148790SMasahiro Yamada-include $(obj)/include/autoconf.mk 26c7163083SMasahiro Yamada 27e02ee254SMasahiro YamadaKBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD 28c7163083SMasahiro Yamadaifeq ($(CONFIG_TPL_BUILD),y) 29e02ee254SMasahiro YamadaKBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD 30e02ee254SMasahiro Yamadaendif 31e02ee254SMasahiro Yamada 32e02ee254SMasahiro Yamadaifeq ($(CONFIG_TPL_BUILD),y) 33c7163083SMasahiro YamadaSPL_BIN := u-boot-tpl 34c7163083SMasahiro Yamadaelse 35c7163083SMasahiro YamadaSPL_BIN := u-boot-spl 36c7163083SMasahiro Yamadaendif 37c7163083SMasahiro Yamada 38c7163083SMasahiro Yamadainclude $(srctree)/config.mk 39e19db555SDaniel Schwierzeckinclude $(srctree)/arch/$(ARCH)/Makefile 40c7163083SMasahiro Yamada 41c7163083SMasahiro Yamada# Enable garbage collection of un-used sections for SPL 42c7163083SMasahiro YamadaKBUILD_CFLAGS += -ffunction-sections -fdata-sections 43c7163083SMasahiro YamadaLDFLAGS_FINAL += --gc-sections 44c7163083SMasahiro Yamada 45c7163083SMasahiro Yamada# FIX ME 46c7163083SMasahiro Yamadacpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 47c7163083SMasahiro Yamada $(NOSTDINC_FLAGS) 48*dbbe2e64SSimon Glassc_flags := $(KBUILD_CFLAGS) $(cpp_flags) 49c7163083SMasahiro Yamada 50c7163083SMasahiro YamadaHAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 51c7163083SMasahiro Yamada 52c7163083SMasahiro Yamadalibs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 53c7163083SMasahiro Yamadalibs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 54c7163083SMasahiro Yamada 55c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_FRAMEWORK) += common/spl/ 56af6bbd4dSSimon Glasslibs-y += common/init/ 5772a8cf8dSSimon Glasslibs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/ 58c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/ 59d6c2ac5bSMasahiro Yamadalibs-y += drivers/ 608d7a2b83SMichal Simeklibs-y += dts/ 61c7163083SMasahiro Yamadalibs-y += fs/ 62c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/ 63c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/ 64c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_NET_SUPPORT) += net/ 65c7163083SMasahiro Yamada 66c7163083SMasahiro Yamadahead-y := $(addprefix $(obj)/,$(head-y)) 67c7163083SMasahiro Yamadalibs-y := $(addprefix $(obj)/,$(libs-y)) 68c7163083SMasahiro Yamadau-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) 69c7163083SMasahiro Yamada 70c7163083SMasahiro Yamadalibs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 71c7163083SMasahiro Yamada 72c7163083SMasahiro Yamada# Add GCC lib 73c7163083SMasahiro Yamadaifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 74c7163083SMasahiro YamadaPLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 75c7163083SMasahiro YamadaPLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC) 76c7163083SMasahiro Yamadaendif 77c7163083SMasahiro Yamada 78c7163083SMasahiro Yamadau-boot-spl-init := $(head-y) 79c7163083SMasahiro Yamadau-boot-spl-main := $(libs-y) 80*dbbe2e64SSimon Glassifdef CONFIG_SPL_OF_PLATDATA 81*dbbe2e64SSimon Glassu-boot-spl-platdata := $(obj)/dts/dt-platdata.o 82*dbbe2e64SSimon Glassendif 83c7163083SMasahiro Yamada 84c7163083SMasahiro Yamada# Linker Script 85c7163083SMasahiro Yamadaifdef CONFIG_SPL_LDSCRIPT 86c7163083SMasahiro Yamada# need to strip off double quotes 87c7163083SMasahiro YamadaLDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%)) 88c7163083SMasahiro Yamadaendif 89c7163083SMasahiro Yamada 90c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 91c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds 92c7163083SMasahiro Yamadaendif 93c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 94c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds 95c7163083SMasahiro Yamadaendif 96c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 97c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds 98c7163083SMasahiro Yamadaendif 99c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 100c7163083SMasahiro Yamada$(error could not find linker script) 101c7163083SMasahiro Yamadaendif 102c7163083SMasahiro Yamada 103c7163083SMasahiro Yamada# Special flags for CPP when processing the linker script. 104c7163083SMasahiro Yamada# Pass the version down so we can handle backwards compatibility 105c7163083SMasahiro Yamada# on the fly. 106c7163083SMasahiro YamadaLDPPFLAGS += \ 107c7163083SMasahiro Yamada -include $(srctree)/include/u-boot/u-boot.lds.h \ 108c7163083SMasahiro Yamada -include $(objtree)/include/config.h \ 109c7163083SMasahiro Yamada -DCPUDIR=$(CPUDIR) \ 110c7163083SMasahiro Yamada $(shell $(LD) --version | \ 111c7163083SMasahiro Yamada sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 112c7163083SMasahiro Yamada 113c7163083SMasahiro Yamadaquiet_cmd_mkimage = MKIMAGE $@ 114c7163083SMasahiro Yamadacmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 115c7163083SMasahiro Yamada $(if $(KBUILD_VERBOSE:1=), >/dev/null) 116c7163083SMasahiro Yamada 117c7163083SMasahiro YamadaMKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE) 118c7163083SMasahiro Yamada 119c7163083SMasahiro YamadaMKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE) 120c7163083SMasahiro Yamada 121514ec438SMasahiro YamadaMLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE 122c7163083SMasahiro Yamada $(call if_changed,mkimage) 123c7163083SMasahiro Yamada 12408598d6eSNathan Rossiifeq ($(CONFIG_SYS_SOC),"at91") 125c7163083SMasahiro YamadaMKIMAGEFLAGS_boot.bin = -T atmelimage 126c7163083SMasahiro Yamada 127c7163083SMasahiro Yamadaifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y) 128c7163083SMasahiro YamadaMKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params) 129c7163083SMasahiro Yamada 130c7163083SMasahiro Yamadaboot.bin: $(obj)/../tools/atmel_pmecc_params 131c7163083SMasahiro Yamadaendif 132c7163083SMasahiro Yamada 133514ec438SMasahiro Yamadaboot.bin: $(obj)/u-boot-spl.bin FORCE 134c7163083SMasahiro Yamada $(call if_changed,mkimage) 13508598d6eSNathan Rossielse 136d9b58b30SMichal Simekifdef CONFIG_ARCH_ZYNQ 13708598d6eSNathan RossiMKIMAGEFLAGS_boot.bin = -T zynqimage 138d9b58b30SMichal Simekendif 139d9b58b30SMichal Simekifdef CONFIG_ARCH_ZYNQMP 140d9b58b30SMichal SimekMKIMAGEFLAGS_boot.bin = -T zynqmpimage 141d9b58b30SMichal Simekendif 14208598d6eSNathan Rossi 143514ec438SMasahiro Yamadaspl/boot.bin: $(obj)/u-boot-spl.bin FORCE 14408598d6eSNathan Rossi $(call if_changed,mkimage) 14508598d6eSNathan Rossiendif 146c7163083SMasahiro Yamada 147741e58e0SSimon GlassALL-y += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).cfg 148c7163083SMasahiro Yamada 149c7163083SMasahiro Yamadaifdef CONFIG_SAMSUNG 150c7163083SMasahiro YamadaALL-y += $(obj)/$(BOARD)-spl.bin 151c7163083SMasahiro Yamadaendif 152c7163083SMasahiro Yamada 153333b7209SMarek Vasutifdef CONFIG_ARCH_SOCFPGA 154bd7dc388SSimon GlassALL-y += $(obj)/$(SPL_BIN).sfp 155333b7209SMarek Vasutendif 156333b7209SMarek Vasut 157c7163083SMasahiro Yamadaifdef CONFIG_SUNXI 158c7163083SMasahiro YamadaALL-y += $(obj)/sunxi-spl.bin 159c7163083SMasahiro Yamadaendif 160c7163083SMasahiro Yamada 161c001486dSHeiko Schocherifeq ($(CONFIG_SYS_SOC),"at91") 162c001486dSHeiko SchocherALL-y += boot.bin 163c001486dSHeiko Schocherendif 164c001486dSHeiko Schocher 1651a6a6e9aSMichal SimekALL-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin 1661a6a6e9aSMichal SimekALL-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin 167d9b58b30SMichal Simek 168c7163083SMasahiro Yamadaall: $(ALL-y) 169c7163083SMasahiro Yamada 170fa78e0a3SSimon Glassquiet_cmd_cat = CAT $@ 171fa78e0a3SSimon Glasscmd_cat = cat $(filter-out $(PHONY), $^) > $@ 172fa78e0a3SSimon Glass 17303c25bcdSSimon Glassquiet_cmd_copy = COPY $@ 17403c25bcdSSimon Glass cmd_copy = cp $< $@ 17503c25bcdSSimon Glass 176fd2d1e0dSMichal Simekifeq ($(CONFIG_SPL_OF_CONTROL)$(CONFIG_OF_SEPARATE),yy) 17703c25bcdSSimon Glass$(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin $(obj)/$(SPL_BIN)-pad.bin \ 178fa78e0a3SSimon Glass $(obj)/$(SPL_BIN).dtb FORCE 179fa78e0a3SSimon Glass $(call if_changed,cat) 180fa78e0a3SSimon Glass 18103c25bcdSSimon Glass$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE 18203c25bcdSSimon Glass $(call if_changed,copy) 18303c25bcdSSimon Glasselse 18403c25bcdSSimon Glass$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE 18503c25bcdSSimon Glass $(call if_changed,copy) 18603c25bcdSSimon Glassendif 18703c25bcdSSimon Glass 18803c25bcdSSimon Glass# Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end 189fa78e0a3SSimon Glass$(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN) 190fa78e0a3SSimon Glass @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \ 191fa78e0a3SSimon Glass dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null; 192fa78e0a3SSimon Glass 193fa78e0a3SSimon Glass# Pass the original device tree file through fdtgrep twice. The first pass 194fa78e0a3SSimon Glass# removes any unwanted nodes (i.e. those which don't have the 195fa78e0a3SSimon Glass# 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second 196fa78e0a3SSimon Glass# pass removes various unused properties from the remaining nodes. 197fa78e0a3SSimon Glass# The output is typically a much smaller device tree file. 198fa78e0a3SSimon Glassquiet_cmd_fdtgrep = FDTGREP $@ 199fa78e0a3SSimon Glass cmd_fdtgrep = $(objtree)/tools/fdtgrep -b u-boot,dm-pre-reloc -RT $< \ 200fa78e0a3SSimon Glass -n /chosen -O dtb | \ 201fa78e0a3SSimon Glass $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \ 202fa78e0a3SSimon Glass $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS))) 203fa78e0a3SSimon Glass 20435b78678SMasahiro Yamada$(obj)/$(SPL_BIN).dtb: dts/dt.dtb $(objtree)/tools/fdtgrep FORCE 20535b78678SMasahiro Yamada $(call if_changed,fdtgrep) 206fa78e0a3SSimon Glass 207741e58e0SSimon Glassquiet_cmd_cpp_cfg = CFG $@ 208741e58e0SSimon Glasscmd_cpp_cfg = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 2093113471fSMasahiro Yamada -DDO_DEPS_ONLY -D__ASSEMBLY__ -x assembler-with-cpp -P -dM -E -o $@ $< 210741e58e0SSimon Glass 211514ec438SMasahiro Yamada$(obj)/$(SPL_BIN).cfg: include/config.h FORCE 212741e58e0SSimon Glass $(call if_changed,cpp_cfg) 213741e58e0SSimon Glass 214*dbbe2e64SSimon Glasspythonpath = PYTHONPATH=tools 215*dbbe2e64SSimon Glass 216*dbbe2e64SSimon Glassquiet_cmd_dtocc = DTOC C $@ 217*dbbe2e64SSimon Glasscmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata 218*dbbe2e64SSimon Glass 219*dbbe2e64SSimon Glassquiet_cmd_dtoch = DTOC H $@ 220*dbbe2e64SSimon Glasscmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct 221*dbbe2e64SSimon Glass 222*dbbe2e64SSimon Glassquiet_cmd_plat = PLAT $@ 223*dbbe2e64SSimon Glasscmd_plat = $(CC) $(c_flags) -c $< -o $@ 224*dbbe2e64SSimon Glass 225*dbbe2e64SSimon Glass$(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c include/generated/dt-structs.h 226*dbbe2e64SSimon Glass $(call if_changed,plat) 227*dbbe2e64SSimon Glass 228*dbbe2e64SSimon GlassPHONY += dts_dir 229*dbbe2e64SSimon Glassdts_dir: 230*dbbe2e64SSimon Glass $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts) 231*dbbe2e64SSimon Glass 232*dbbe2e64SSimon Glassinclude/generated/dt-structs.h: $(obj)/$(SPL_BIN).dtb dts_dir dtoc 233*dbbe2e64SSimon Glass $(call if_changed,dtoch) 234*dbbe2e64SSimon Glass 235*dbbe2e64SSimon Glass$(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir dtoc 236*dbbe2e64SSimon Glass $(call if_changed,dtocc) 237*dbbe2e64SSimon Glass 238*dbbe2e64SSimon Glassdtoc: #$(objtree)/tools/_libfdt.so 239*dbbe2e64SSimon Glass 240c7163083SMasahiro Yamadaifdef CONFIG_SAMSUNG 241c7163083SMasahiro Yamadaifdef CONFIG_VAR_SIZE_SPL 242c7163083SMasahiro YamadaVAR_SIZE_PARAM = --vs 243c7163083SMasahiro Yamadaelse 244c7163083SMasahiro YamadaVAR_SIZE_PARAM = 245c7163083SMasahiro Yamadaendif 246c7163083SMasahiro Yamada$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin 247c7163083SMasahiro Yamada $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\ 248c7163083SMasahiro Yamada $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\ 249c7163083SMasahiro Yamada $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@ 250c7163083SMasahiro Yamadaendif 251c7163083SMasahiro Yamada 252c7163083SMasahiro Yamadaquiet_cmd_objcopy = OBJCOPY $@ 253c7163083SMasahiro Yamadacmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 254c7163083SMasahiro Yamada 25503c25bcdSSimon GlassOBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary 256c7163083SMasahiro Yamada 25703c25bcdSSimon Glass$(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE 258c7163083SMasahiro Yamada $(call if_changed,objcopy) 259c7163083SMasahiro Yamada 260c7163083SMasahiro YamadaLDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL) 261c7163083SMasahiro Yamadaifneq ($(CONFIG_SPL_TEXT_BASE),) 262c7163083SMasahiro YamadaLDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE) 263c7163083SMasahiro Yamadaendif 264c7163083SMasahiro Yamada 265bd7dc388SSimon GlassMKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage 266bd7dc388SSimon Glass$(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE 267333b7209SMarek Vasut $(call if_changed,mkimage) 268333b7209SMarek Vasut 269c7163083SMasahiro Yamadaquiet_cmd_mksunxiboot = MKSUNXI $@ 270c7163083SMasahiro Yamadacmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@ 271514ec438SMasahiro Yamada$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE 272c7163083SMasahiro Yamada $(call if_changed,mksunxiboot) 273c7163083SMasahiro Yamada 27472a7e076SSimon Glass# Rule to link u-boot-spl 27572a7e076SSimon Glass# May be overridden by arch/$(ARCH)/config.mk 27672a7e076SSimon Glassquiet_cmd_u-boot-spl ?= LD $@ 27772a7e076SSimon Glass cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 278c7163083SMasahiro Yamada $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \ 279*dbbe2e64SSimon Glass $(patsubst $(obj)/%,%,$(u-boot-spl-main)) \ 280*dbbe2e64SSimon Glass $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \ 281*dbbe2e64SSimon Glass --end-group \ 2829adb6d24SMasahiro Yamada $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN)) 283c7163083SMasahiro Yamada 284*dbbe2e64SSimon Glass$(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \ 285*dbbe2e64SSimon Glass $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE 2869adb6d24SMasahiro Yamada $(call if_changed,u-boot-spl) 287c7163083SMasahiro Yamada 288c7163083SMasahiro Yamada$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ; 289c7163083SMasahiro Yamada 290c7163083SMasahiro YamadaPHONY += $(u-boot-spl-dirs) 291*dbbe2e64SSimon Glass$(u-boot-spl-dirs): $(u-boot-spl-platdata) 292c7163083SMasahiro Yamada $(Q)$(MAKE) $(build)=$@ 293c7163083SMasahiro Yamada 294c7163083SMasahiro Yamadaquiet_cmd_cpp_lds = LDS $@ 295c7163083SMasahiro Yamadacmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 296c7163083SMasahiro Yamada -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< 297c7163083SMasahiro Yamada 298c7163083SMasahiro Yamada$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE 299c7163083SMasahiro Yamada $(call if_changed_dep,cpp_lds) 300c7163083SMasahiro Yamada 301c7163083SMasahiro Yamada# read all saved command lines 302c7163083SMasahiro Yamada 303c7163083SMasahiro Yamadatargets := $(wildcard $(sort $(targets))) 304c7163083SMasahiro Yamadacmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 305c7163083SMasahiro Yamada 306c7163083SMasahiro Yamadaifneq ($(cmd_files),) 307c7163083SMasahiro Yamada $(cmd_files): ; # Do not try to update included dependency files 308c7163083SMasahiro Yamada include $(cmd_files) 309c7163083SMasahiro Yamadaendif 310c7163083SMasahiro Yamada 311c7163083SMasahiro YamadaPHONY += FORCE 312c7163083SMasahiro YamadaFORCE: 313c7163083SMasahiro Yamada 314c7163083SMasahiro Yamada# Declare the contents of the .PHONY variable as phony. We keep that 315c7163083SMasahiro Yamada# information in a variable so we can use it in if_changed and friends. 316c7163083SMasahiro Yamada.PHONY: $(PHONY) 317