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) 48dbbe2e64SSimon 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-$(CONFIG_SPL_FRAMEWORK) += common/spl/ 56af6bbd4dSSimon Glasslibs-y += common/init/ 5776f1f388SSimon Glass 5876f1f388SSimon Glass# Special handling for a few options which support SPL/TPL 5976f1f388SSimon Glassifeq ($(CONFIG_TPL_BUILD),y) 6076f1f388SSimon Glasslibs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/ 6176f1f388SSimon Glasslibs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/ 6276f1f388SSimon Glasselse 6372a8cf8dSSimon Glasslibs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/ 6476f1f388SSimon Glasslibs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/ 6576f1f388SSimon Glassendif 6676f1f388SSimon Glass 67c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/ 68d6c2ac5bSMasahiro Yamadalibs-y += drivers/ 69e94793c8SStefan Agnerlibs-$(CONFIG_SPL_USB_GADGET_SUPPORT) += drivers/usb/dwc3/ 708d7a2b83SMichal Simeklibs-y += dts/ 71c7163083SMasahiro Yamadalibs-y += fs/ 72c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/ 73c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_NET_SUPPORT) += net/ 74c7163083SMasahiro Yamada 75c7163083SMasahiro Yamadahead-y := $(addprefix $(obj)/,$(head-y)) 76c7163083SMasahiro Yamadalibs-y := $(addprefix $(obj)/,$(libs-y)) 77c7163083SMasahiro Yamadau-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) 78c7163083SMasahiro Yamada 79c7163083SMasahiro Yamadalibs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 80c7163083SMasahiro Yamada 81c7163083SMasahiro Yamada# Add GCC lib 82c7163083SMasahiro Yamadaifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 83c7163083SMasahiro YamadaPLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 84c7163083SMasahiro YamadaPLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC) 85c7163083SMasahiro Yamadaendif 86c7163083SMasahiro Yamada 87c7163083SMasahiro Yamadau-boot-spl-init := $(head-y) 88c7163083SMasahiro Yamadau-boot-spl-main := $(libs-y) 89dbbe2e64SSimon Glassifdef CONFIG_SPL_OF_PLATDATA 90dbbe2e64SSimon Glassu-boot-spl-platdata := $(obj)/dts/dt-platdata.o 91dbbe2e64SSimon Glassendif 92c7163083SMasahiro Yamada 93c7163083SMasahiro Yamada# Linker Script 94c7163083SMasahiro Yamadaifdef CONFIG_SPL_LDSCRIPT 95c7163083SMasahiro Yamada# need to strip off double quotes 96c7163083SMasahiro YamadaLDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%)) 97c7163083SMasahiro Yamadaendif 98c7163083SMasahiro Yamada 99c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 100c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds 101c7163083SMasahiro Yamadaendif 102c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 103c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds 104c7163083SMasahiro Yamadaendif 105c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 106c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds 107c7163083SMasahiro Yamadaendif 108c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 109c7163083SMasahiro Yamada$(error could not find linker script) 110c7163083SMasahiro Yamadaendif 111c7163083SMasahiro Yamada 112c7163083SMasahiro Yamada# Special flags for CPP when processing the linker script. 113c7163083SMasahiro Yamada# Pass the version down so we can handle backwards compatibility 114c7163083SMasahiro Yamada# on the fly. 115c7163083SMasahiro YamadaLDPPFLAGS += \ 116c7163083SMasahiro Yamada -include $(srctree)/include/u-boot/u-boot.lds.h \ 117c7163083SMasahiro Yamada -include $(objtree)/include/config.h \ 118c7163083SMasahiro Yamada -DCPUDIR=$(CPUDIR) \ 119c7163083SMasahiro Yamada $(shell $(LD) --version | \ 120c7163083SMasahiro Yamada sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 121c7163083SMasahiro Yamada 122*1f6a6648SSven EbenfeldMKIMAGEOUTPUT ?= /dev/null 123*1f6a6648SSven Ebenfeld 124c7163083SMasahiro Yamadaquiet_cmd_mkimage = MKIMAGE $@ 125c7163083SMasahiro Yamadacmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 126*1f6a6648SSven Ebenfeld $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT)) 127c7163083SMasahiro Yamada 128c7163083SMasahiro YamadaMKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE) 129c7163083SMasahiro Yamada 130c7163083SMasahiro YamadaMKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE) 131c7163083SMasahiro Yamada 132514ec438SMasahiro YamadaMLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE 133c7163083SMasahiro Yamada $(call if_changed,mkimage) 134c7163083SMasahiro Yamada 13508598d6eSNathan Rossiifeq ($(CONFIG_SYS_SOC),"at91") 136c7163083SMasahiro YamadaMKIMAGEFLAGS_boot.bin = -T atmelimage 137c7163083SMasahiro Yamada 138c7163083SMasahiro Yamadaifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y) 139c7163083SMasahiro YamadaMKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params) 140c7163083SMasahiro Yamada 141c7163083SMasahiro Yamadaboot.bin: $(obj)/../tools/atmel_pmecc_params 142c7163083SMasahiro Yamadaendif 143c7163083SMasahiro Yamada 144514ec438SMasahiro Yamadaboot.bin: $(obj)/u-boot-spl.bin FORCE 145c7163083SMasahiro Yamada $(call if_changed,mkimage) 14608598d6eSNathan Rossielse 147d9b58b30SMichal Simekifdef CONFIG_ARCH_ZYNQ 1483b646080SMike LooijmansMKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) 149d9b58b30SMichal Simekendif 150d9b58b30SMichal Simekifdef CONFIG_ARCH_ZYNQMP 1513b646080SMike LooijmansMKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) 152d9b58b30SMichal Simekendif 15308598d6eSNathan Rossi 154514ec438SMasahiro Yamadaspl/boot.bin: $(obj)/u-boot-spl.bin FORCE 15508598d6eSNathan Rossi $(call if_changed,mkimage) 15608598d6eSNathan Rossiendif 157c7163083SMasahiro Yamada 158e19b0fb4SMasahiro YamadaALL-y += $(obj)/$(SPL_BIN).bin 159c7163083SMasahiro Yamada 160c7163083SMasahiro Yamadaifdef CONFIG_SAMSUNG 161c7163083SMasahiro YamadaALL-y += $(obj)/$(BOARD)-spl.bin 162c7163083SMasahiro Yamadaendif 163c7163083SMasahiro Yamada 164333b7209SMarek Vasutifdef CONFIG_ARCH_SOCFPGA 165bd7dc388SSimon GlassALL-y += $(obj)/$(SPL_BIN).sfp 166333b7209SMarek Vasutendif 167333b7209SMarek Vasut 168aec9a0f1SJagan Tekiifdef CONFIG_ARCH_SUNXI 169c7163083SMasahiro YamadaALL-y += $(obj)/sunxi-spl.bin 170c7163083SMasahiro Yamadaendif 171c7163083SMasahiro Yamada 172c001486dSHeiko Schocherifeq ($(CONFIG_SYS_SOC),"at91") 173c001486dSHeiko SchocherALL-y += boot.bin 174c001486dSHeiko Schocherendif 175c001486dSHeiko Schocher 1761a6a6e9aSMichal SimekALL-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin 1771a6a6e9aSMichal SimekALL-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin 178d9b58b30SMichal Simek 179c7163083SMasahiro Yamadaall: $(ALL-y) 180c7163083SMasahiro Yamada 181fa78e0a3SSimon Glassquiet_cmd_cat = CAT $@ 182fa78e0a3SSimon Glasscmd_cat = cat $(filter-out $(PHONY), $^) > $@ 183fa78e0a3SSimon Glass 18403c25bcdSSimon Glassquiet_cmd_copy = COPY $@ 18503c25bcdSSimon Glass cmd_copy = cp $< $@ 18603c25bcdSSimon Glass 187d22199b1SSimon Glassifeq ($(CONFIG_SPL_OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_SPL_OF_PLATDATA),yy) 18803c25bcdSSimon Glass$(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin $(obj)/$(SPL_BIN)-pad.bin \ 189fa78e0a3SSimon Glass $(obj)/$(SPL_BIN).dtb FORCE 190fa78e0a3SSimon Glass $(call if_changed,cat) 191fa78e0a3SSimon Glass 19203c25bcdSSimon Glass$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE 19303c25bcdSSimon Glass $(call if_changed,copy) 19403c25bcdSSimon Glasselse 19503c25bcdSSimon Glass$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE 19603c25bcdSSimon Glass $(call if_changed,copy) 19703c25bcdSSimon Glassendif 19803c25bcdSSimon Glass 19903c25bcdSSimon Glass# Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end 200fa78e0a3SSimon Glass$(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN) 201fa78e0a3SSimon Glass @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \ 202fa78e0a3SSimon Glass dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null; 203fa78e0a3SSimon Glass 204fa78e0a3SSimon Glass# Pass the original device tree file through fdtgrep twice. The first pass 205fa78e0a3SSimon Glass# removes any unwanted nodes (i.e. those which don't have the 206fa78e0a3SSimon Glass# 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second 207fa78e0a3SSimon Glass# pass removes various unused properties from the remaining nodes. 208fa78e0a3SSimon Glass# The output is typically a much smaller device tree file. 209fa78e0a3SSimon Glassquiet_cmd_fdtgrep = FDTGREP $@ 210fa78e0a3SSimon Glass cmd_fdtgrep = $(objtree)/tools/fdtgrep -b u-boot,dm-pre-reloc -RT $< \ 211fa78e0a3SSimon Glass -n /chosen -O dtb | \ 212fa78e0a3SSimon Glass $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \ 213fa78e0a3SSimon Glass $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS))) 214fa78e0a3SSimon Glass 21535b78678SMasahiro Yamada$(obj)/$(SPL_BIN).dtb: dts/dt.dtb $(objtree)/tools/fdtgrep FORCE 21635b78678SMasahiro Yamada $(call if_changed,fdtgrep) 217fa78e0a3SSimon Glass 218dbbe2e64SSimon Glasspythonpath = PYTHONPATH=tools 219dbbe2e64SSimon Glass 220dbbe2e64SSimon Glassquiet_cmd_dtocc = DTOC C $@ 221dbbe2e64SSimon Glasscmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata 222dbbe2e64SSimon Glass 223dbbe2e64SSimon Glassquiet_cmd_dtoch = DTOC H $@ 224dbbe2e64SSimon Glasscmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct 225dbbe2e64SSimon Glass 226dbbe2e64SSimon Glassquiet_cmd_plat = PLAT $@ 227dbbe2e64SSimon Glasscmd_plat = $(CC) $(c_flags) -c $< -o $@ 228dbbe2e64SSimon Glass 229dbbe2e64SSimon Glass$(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c include/generated/dt-structs.h 230dbbe2e64SSimon Glass $(call if_changed,plat) 231dbbe2e64SSimon Glass 232dbbe2e64SSimon GlassPHONY += dts_dir 233dbbe2e64SSimon Glassdts_dir: 234dbbe2e64SSimon Glass $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts) 235dbbe2e64SSimon Glass 236dbbe2e64SSimon Glassinclude/generated/dt-structs.h: $(obj)/$(SPL_BIN).dtb dts_dir dtoc 237dbbe2e64SSimon Glass $(call if_changed,dtoch) 238dbbe2e64SSimon Glass 239dbbe2e64SSimon Glass$(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir dtoc 240dbbe2e64SSimon Glass $(call if_changed,dtocc) 241dbbe2e64SSimon Glass 242dbbe2e64SSimon Glassdtoc: #$(objtree)/tools/_libfdt.so 243dbbe2e64SSimon Glass 244c7163083SMasahiro Yamadaifdef CONFIG_SAMSUNG 245c7163083SMasahiro Yamadaifdef CONFIG_VAR_SIZE_SPL 246c7163083SMasahiro YamadaVAR_SIZE_PARAM = --vs 247c7163083SMasahiro Yamadaelse 248c7163083SMasahiro YamadaVAR_SIZE_PARAM = 249c7163083SMasahiro Yamadaendif 250c7163083SMasahiro Yamada$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin 251c7163083SMasahiro Yamada $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\ 252c7163083SMasahiro Yamada $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\ 253c7163083SMasahiro Yamada $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@ 254c7163083SMasahiro Yamadaendif 255c7163083SMasahiro Yamada 256c7163083SMasahiro Yamadaquiet_cmd_objcopy = OBJCOPY $@ 257c7163083SMasahiro Yamadacmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 258c7163083SMasahiro Yamada 25903c25bcdSSimon GlassOBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary 260c7163083SMasahiro Yamada 26103c25bcdSSimon Glass$(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE 262c7163083SMasahiro Yamada $(call if_changed,objcopy) 263c7163083SMasahiro Yamada 264c7163083SMasahiro YamadaLDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL) 265c7163083SMasahiro Yamadaifneq ($(CONFIG_SPL_TEXT_BASE),) 266c7163083SMasahiro YamadaLDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE) 267c7163083SMasahiro Yamadaendif 268c7163083SMasahiro Yamada 269bd7dc388SSimon GlassMKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage 270bd7dc388SSimon Glass$(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE 271333b7209SMarek Vasut $(call if_changed,mkimage) 272333b7209SMarek Vasut 273c7163083SMasahiro Yamadaquiet_cmd_mksunxiboot = MKSUNXI $@ 274c7163083SMasahiro Yamadacmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@ 275514ec438SMasahiro Yamada$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE 276c7163083SMasahiro Yamada $(call if_changed,mksunxiboot) 277c7163083SMasahiro Yamada 27872a7e076SSimon Glass# Rule to link u-boot-spl 27972a7e076SSimon Glass# May be overridden by arch/$(ARCH)/config.mk 28072a7e076SSimon Glassquiet_cmd_u-boot-spl ?= LD $@ 28172a7e076SSimon Glass cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 282c7163083SMasahiro Yamada $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \ 283dbbe2e64SSimon Glass $(patsubst $(obj)/%,%,$(u-boot-spl-main)) \ 284dbbe2e64SSimon Glass $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \ 285dbbe2e64SSimon Glass --end-group \ 2869adb6d24SMasahiro Yamada $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN)) 287c7163083SMasahiro Yamada 288dbbe2e64SSimon Glass$(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \ 289dbbe2e64SSimon Glass $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE 2909adb6d24SMasahiro Yamada $(call if_changed,u-boot-spl) 291c7163083SMasahiro Yamada 292c7163083SMasahiro Yamada$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ; 293c7163083SMasahiro Yamada 294c7163083SMasahiro YamadaPHONY += $(u-boot-spl-dirs) 295dbbe2e64SSimon Glass$(u-boot-spl-dirs): $(u-boot-spl-platdata) 296c7163083SMasahiro Yamada $(Q)$(MAKE) $(build)=$@ 297c7163083SMasahiro Yamada 298c7163083SMasahiro Yamadaquiet_cmd_cpp_lds = LDS $@ 299c7163083SMasahiro Yamadacmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 300c7163083SMasahiro Yamada -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< 301c7163083SMasahiro Yamada 302c7163083SMasahiro Yamada$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE 303c7163083SMasahiro Yamada $(call if_changed_dep,cpp_lds) 304c7163083SMasahiro Yamada 305c7163083SMasahiro Yamada# read all saved command lines 306c7163083SMasahiro Yamada 307c7163083SMasahiro Yamadatargets := $(wildcard $(sort $(targets))) 308c7163083SMasahiro Yamadacmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 309c7163083SMasahiro Yamada 310c7163083SMasahiro Yamadaifneq ($(cmd_files),) 311c7163083SMasahiro Yamada $(cmd_files): ; # Do not try to update included dependency files 312c7163083SMasahiro Yamada include $(cmd_files) 313c7163083SMasahiro Yamadaendif 314c7163083SMasahiro Yamada 315c7163083SMasahiro YamadaPHONY += FORCE 316c7163083SMasahiro YamadaFORCE: 317c7163083SMasahiro Yamada 318c7163083SMasahiro Yamada# Declare the contents of the .PHONY variable as phony. We keep that 319c7163083SMasahiro Yamada# information in a variable so we can use it in if_changed and friends. 320c7163083SMasahiro Yamada.PHONY: $(PHONY) 321