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scripts/Makefile.lib
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# SPDX-License-Identifier: GPL-2.0 |
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# Backward compatibility asflags-y += $(EXTRA_AFLAGS) ccflags-y += $(EXTRA_CFLAGS) cppflags-y += $(EXTRA_CPPFLAGS) ldflags-y += $(EXTRA_LDFLAGS) # # flags that take effect in sub directories export KBUILD_SUBDIR_ASFLAGS := $(KBUILD_SUBDIR_ASFLAGS) $(subdir-asflags-y) export KBUILD_SUBDIR_CCFLAGS := $(KBUILD_SUBDIR_CCFLAGS) $(subdir-ccflags-y) # Figure out what we need to build from the various variables # =========================================================================== # When an object is listed to be built compiled-in and modular, # only build the compiled-in version obj-m := $(filter-out $(obj-y),$(obj-m)) # Libraries are always collected in one lib file. # Filter out objects already built-in lib-y := $(filter-out $(obj-y), $(sort $(lib-y) $(lib-m))) # Handle objects in subdirs # --------------------------------------------------------------------------- # o if we encounter foo/ in $(obj-y), replace it by foo/built-in.o # and add the directory to the list of dirs to descend into: $(subdir-y) |
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# o if we encounter foo/ in $(obj-m), remove it from $(obj-m) |
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# and add the directory to the list of dirs to descend into: $(subdir-m) # Determine modorder. # Unfortunately, we don't have information about ordering between -y # and -m subdirs. Just put -y's first. modorder := $(patsubst %/,%/modules.order, $(filter %/, $(obj-y)) $(obj-m:.o=.ko)) __subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y))) subdir-y += $(__subdir-y) __subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m))) subdir-m += $(__subdir-m) obj-y := $(patsubst %/, %/built-in.o, $(obj-y)) obj-m := $(filter-out %/, $(obj-m)) # Subdirectories we need to descend into subdir-ym := $(sort $(subdir-y) $(subdir-m)) |
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# if $(foo-objs) exists, foo.o is a composite object |
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multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m)))) multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m)))) multi-used := $(multi-used-y) $(multi-used-m) single-used-m := $(sort $(filter-out $(multi-used-m),$(obj-m))) # Build list of the parts of our composite objects, our composite # objects depend on those (obviously) multi-objs-y := $(foreach m, $(multi-used-y), $($(m:.o=-objs)) $($(m:.o=-y))) multi-objs-m := $(foreach m, $(multi-used-m), $($(m:.o=-objs)) $($(m:.o=-y))) multi-objs := $(multi-objs-y) $(multi-objs-m) # $(subdir-obj-y) is the list of objects in $(obj-y) which uses dir/ to # tell kbuild to descend subdir-obj-y := $(filter %/built-in.o, $(obj-y)) # $(obj-dirs) is a list of directories that contain object files obj-dirs := $(dir $(multi-objs) $(obj-y)) # Replace multi-part objects by their individual parts, look at local dir only real-objs-y := $(foreach m, $(filter-out $(subdir-obj-y), $(obj-y)), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) $(extra-y) real-objs-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) # Add subdir path extra-y := $(addprefix $(obj)/,$(extra-y)) always := $(addprefix $(obj)/,$(always)) targets := $(addprefix $(obj)/,$(targets)) modorder := $(addprefix $(obj)/,$(modorder)) obj-y := $(addprefix $(obj)/,$(obj-y)) obj-m := $(addprefix $(obj)/,$(obj-m)) lib-y := $(addprefix $(obj)/,$(lib-y)) subdir-obj-y := $(addprefix $(obj)/,$(subdir-obj-y)) real-objs-y := $(addprefix $(obj)/,$(real-objs-y)) real-objs-m := $(addprefix $(obj)/,$(real-objs-m)) single-used-m := $(addprefix $(obj)/,$(single-used-m)) multi-used-y := $(addprefix $(obj)/,$(multi-used-y)) multi-used-m := $(addprefix $(obj)/,$(multi-used-m)) multi-objs-y := $(addprefix $(obj)/,$(multi-objs-y)) multi-objs-m := $(addprefix $(obj)/,$(multi-objs-m)) subdir-ym := $(addprefix $(obj)/,$(subdir-ym)) obj-dirs := $(addprefix $(obj)/,$(obj-dirs)) # These flags are needed for modversions and compiling, so we define them here # already |
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# $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will |
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# end up in (or would, if it gets compiled in) # Note: Files that end up in two or more modules are compiled without the # KBUILD_MODNAME definition. The reason is that any made-up name would # differ in different configs. name-fix = $(subst $(comma),_,$(subst -,_,$1)) basename_flags = -D"KBUILD_BASENAME=KBUILD_STR($(call name-fix,$(basetarget)))" modname_flags = $(if $(filter 1,$(words $(modname))),\ -D"KBUILD_MODNAME=KBUILD_STR($(call name-fix,$(modname)))") |
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orig_c_flags = $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(KBUILD_SUBDIR_CCFLAGS) \ |
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$(ccflags-y) $(CFLAGS_$(basetarget).o) _c_flags = $(filter-out $(CFLAGS_REMOVE_$(basetarget).o), $(orig_c_flags)) |
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orig_a_flags = $(KBUILD_CPPFLAGS) $(KBUILD_AFLAGS) $(KBUILD_SUBDIR_ASFLAGS) \ |
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$(asflags-y) $(AFLAGS_$(basetarget).o) |
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_a_flags = $(filter-out $(AFLAGS_REMOVE_$(basetarget).o), $(orig_a_flags)) |
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_cpp_flags = $(KBUILD_CPPFLAGS) $(cppflags-y) $(CPPFLAGS_$(@F)) |
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# # Enable gcov profiling flags for a file, directory or for all files depending # on variables GCOV_PROFILE_obj.o, GCOV_PROFILE and CONFIG_GCOV_PROFILE_ALL # (in this order) # ifeq ($(CONFIG_GCOV_KERNEL),y) _c_flags += $(if $(patsubst n%,, \ $(GCOV_PROFILE_$(basetarget).o)$(GCOV_PROFILE)$(CONFIG_GCOV_PROFILE_ALL)), \ $(CFLAGS_GCOV)) endif |
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# # Enable address sanitizer flags for kernel except some files or directories # we don't want to check (depends on variables KASAN_SANITIZE_obj.o, KASAN_SANITIZE) # ifeq ($(CONFIG_KASAN),y) _c_flags += $(if $(patsubst n%,, \ $(KASAN_SANITIZE_$(basetarget).o)$(KASAN_SANITIZE)y), \ $(CFLAGS_KASAN)) endif |
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# If building the kernel in a separate objtree expand all occurrences # of -Idir to -I$(srctree)/dir except for absolute paths (starting with '/'). ifeq ($(KBUILD_SRC),) __c_flags = $(_c_flags) __a_flags = $(_a_flags) __cpp_flags = $(_cpp_flags) else # -I$(obj) locates generated .h files # $(call addtree,-I$(obj)) locates .h files in srctree, from generated .c files # and locates generated .h files # FIXME: Replace both with specific CFLAGS* statements in the makefiles __c_flags = $(call addtree,-I$(obj)) $(call flags,_c_flags) __a_flags = $(call flags,_a_flags) __cpp_flags = $(call flags,_cpp_flags) endif |
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# Modified for U-Boot: LINUXINCLUDE -> UBOOTINCLUDE c_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ |
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$(__c_flags) $(modkern_cflags) \ -D"KBUILD_STR(s)=\#s" $(basename_flags) $(modname_flags) |
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a_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ |
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$(__a_flags) $(modkern_aflags) |
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cpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ |
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$(__cpp_flags) ld_flags = $(LDFLAGS) $(ldflags-y) |
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# Try these files in order to find the U-Boot-specific .dtsi include file |
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u_boot_dtsi_options = $(strip $(wildcard $(dir $<)$(basename $(notdir $<))-u-boot.dtsi) \ |
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$(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_SOC))-u-boot.dtsi) \ $(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi) \ $(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi) \ |
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$(wildcard $(dir $<)u-boot.dtsi)) u_boot_dtsi_options_raw = $(warning Automatic .dtsi inclusion: options: \ $(dir $<)$(basename $(notdir $<))-u-boot.dtsi \ $(dir $<)$(subst $\",,$(CONFIG_SYS_SOC))-u-boot.dtsi \ $(dir $<)$(subst $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi \ $(dir $<)$(subst $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi \ $(dir $<)u-boot.dtsi ... \ found: $(if $(u_boot_dtsi_options),"$(u_boot_dtsi_options)",nothing!)) |
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# Uncomment for debugging |
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# This shows all the files that were considered and the one that we chose. # u_boot_dtsi_options_debug = $(u_boot_dtsi_options_raw) |
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# We use the first match |
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u_boot_dtsi = $(strip $(u_boot_dtsi_options_debug) \ $(notdir $(firstword $(u_boot_dtsi_options)))) |
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# Modified for U-Boot |
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dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \ |
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-I$(srctree)/arch/$(ARCH)/dts \ |
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-I$(srctree)/arch/$(ARCH)/dts/include \ |
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-Iinclude \ -I$(srctree)/include \ -I$(srctree)/arch/$(ARCH)/include \ -include $(srctree)/include/linux/kconfig.h \ -D__ASSEMBLY__ \ |
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-undef -D__DTS__ # Finds the multi-part object the current object will be linked into modname-multi = $(sort $(foreach m,$(multi-used),\ $(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=)))) |
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# Useful for describing the dependency of composite objects # Usage: # $(call multi_depend, multi_used_targets, suffix_to_remove, suffix_to_add) define multi_depend $(foreach m, $(notdir $1), \ $(eval $(obj)/$m: \ $(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s))))))) endef |
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# LEX # --------------------------------------------------------------------------- |
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quiet_cmd_flex = LEX $@ |
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cmd_flex = $(LEX) -o$@ -L $< |
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$(obj)/%.lex.c: $(src)/%.l FORCE $(call if_changed,flex) |
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# YACC # --------------------------------------------------------------------------- |
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quiet_cmd_bison = YACC $@ |
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cmd_bison = $(YACC) -o$@ -t -l $< |
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$(obj)/%.tab.c: $(src)/%.y FORCE $(call if_changed,bison) |
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quiet_cmd_bison_h = YACC $@ |
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cmd_bison_h = $(YACC) -o/dev/null --defines=$@ -t -l $< |
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$(obj)/%.tab.h: $(src)/%.y FORCE $(call if_changed,bison_h) |
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# Shipped files # =========================================================================== quiet_cmd_shipped = SHIPPED $@ cmd_shipped = cat $< > $@ $(obj)/%: $(src)/%_shipped $(call cmd,shipped) # Commands useful for building a boot image # =========================================================================== |
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# |
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# Use as following: # # target: source(s) FORCE # $(if_changed,ld/objcopy/gzip) # # and add target to extra-y so that we know we have to # read in the saved command line # Linking # --------------------------------------------------------------------------- quiet_cmd_ld = LD $@ cmd_ld = $(LD) $(LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F)) \ |
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$(filter-out FORCE,$^) -o $@ |
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# Objcopy # --------------------------------------------------------------------------- quiet_cmd_objcopy = OBJCOPY $@ cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ # Gzip # --------------------------------------------------------------------------- quiet_cmd_gzip = GZIP $@ cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@) || \ (rm -f $@ ; false) # DTC # --------------------------------------------------------------------------- # Generate an assembly file to wrap the output of the device tree compiler quiet_cmd_dt_S_dtb= DTB $@ |
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# Modified for U-Boot |
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cmd_dt_S_dtb= \ ( \ |
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echo '.section .dtb.init.rodata,"a"'; \ |
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echo '.balign 16'; \ |
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echo '.global __dtb_$(subst -,_,$(*F))_begin'; \ echo '__dtb_$(subst -,_,$(*F))_begin:'; \ |
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echo '.incbin "$<" '; \ |
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echo '__dtb_$(subst -,_,$(*F))_end:'; \ echo '.global __dtb_$(subst -,_,$(*F))_end'; \ |
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echo '.balign 16'; \ |
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) > $@ $(obj)/%.dtb.S: $(obj)/%.dtb $(call cmd,dt_S_dtb) |
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ifeq ($(CONFIG_SPL_LOAD_FIT_APPLY_OVERLAY),y) DTC_FLAGS += -@ endif |
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quiet_cmd_dtc = DTC $@ |
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# Modified for U-Boot |
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# Bring in any U-Boot-specific include at the end of the file |
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cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \ |
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(cat $<; $(if $(u_boot_dtsi),echo '$(pound)include "$(u_boot_dtsi)"')) > $(pre-tmp); \ |
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$(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $(pre-tmp) ; \ |
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$(DTC) -O dtb -o $@ -b 0 \ |
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-i $(dir $<) $(DTC_FLAGS) \ |
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-d $(depfile).dtc.tmp $(dtc-tmp) || \ (echo "Check $(shell pwd)/$(pre-tmp) for errors" && false) \ ; \ |
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cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) ; \ sed -i "s:$(pre-tmp):$(<):" $(depfile) |
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$(obj)/%.dtb: $(src)/%.dts FORCE $(call if_changed_dep,dtc) |
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pre-tmp = $(subst $(comma),_,$(dot-target).pre.tmp) |
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dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp) |
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# DTCO # --------------------------------------------------------------------------- quiet_cmd_dtco = DTCO $@ # Rule for objects only; does not put specific u-boot include at the end # No generation of assembly file either # Modified for U-Boot cmd_dtco = mkdir -p $(dir ${dtc-tmp}) ; \ |
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$(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ |
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$(DTC) -@ -O dtb -o $@ -b 0 \ -i $(dir $<) $(DTC_FLAGS) \ -d $(depfile).dtc.tmp $(dtc-tmp) ; \ cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) $(obj)/%.dtbo: $(src)/%.dts FORCE $(call if_changed_dep,dtco) |
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# Fonts # --------------------------------------------------------------------------- # Generate an assembly file to wrap the font data quiet_cmd_S_ttf= TTF $@ # Modified for U-Boot cmd_S_ttf= \ ( \ echo '.section .rodata.ttf.init,"a"'; \ echo '.balign 16'; \ echo '.global __ttf_$(*F)_begin'; \ echo '__ttf_$(*F)_begin:'; \ echo '.incbin "$<" '; \ echo '__ttf_$(*F)_end:'; \ echo '.global __ttf_$(*F)_end'; \ echo '.balign 16'; \ ) > $@ $(obj)/%.S: $(src)/%.ttf $(call cmd,S_ttf) |
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# EFI applications # A Makefile target *.efi is built as EFI application. # A Makefile target *_efi.S wraps *.efi as built-in EFI application. |
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# --------------------------------------------------------------------------- # Generate an assembly file to wrap the EFI app |
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cmd_S_efi= \ ( \ echo '.section .rodata.$*.init,"a"'; \ echo '.balign 16'; \ echo '.global __efi_$*_begin'; \ echo '__efi_$*_begin:'; \ echo '.incbin "$<" '; \ echo '__efi_$*_end:'; \ echo '.global __efi_$*_end'; \ echo '.balign 16'; \ |
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) > $@ $(obj)/%_efi.S: $(obj)/%.efi $(call cmd,S_efi) |
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quiet_cmd_efi_objcopy = OBJCOPY $@ cmd_efi_objcopy = $(OBJCOPY) -j .header -j .text -j .sdata -j .data -j \ .dynamic -j .dynsym -j .rel* -j .rela* -j .reloc \ |
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$(if $(EFI_TARGET),$(EFI_TARGET),-O binary) $^ $@ |
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$(obj)/%.efi: $(obj)/%_efi.so |
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$(call cmd,efi_objcopy) quiet_cmd_efi_ld = LD $@ cmd_efi_ld = $(LD) -nostdlib -znocombreloc -T $(EFI_LDS_PATH) -shared \ |
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-Bsymbolic -s $^ -o $@ |
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EFI_LDS_PATH = $(srctree)/arch/$(ARCH)/lib/$(EFI_LDS) |
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$(obj)/efi_crt0.o: $(srctree)/arch/$(ARCH)/lib/$(EFI_CRT0:.o=.S) FORCE |
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$(call if_changed_dep,as_o_S) $(obj)/efi_reloc.o: $(srctree)/arch/$(ARCH)/lib/$(EFI_RELOC:.o=.c) $(recordmcount_source) FORCE $(call cmd,force_checksrc) $(call if_changed_rule,cc_o_c) |
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$(obj)/%_efi.so: $(obj)/%.o $(obj)/efi_crt0.o $(obj)/efi_reloc.o $(obj)/efi_freestanding.o |
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$(call cmd,efi_ld) |
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# ACPI # --------------------------------------------------------------------------- |
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# # This first sends the file (typically dsdt.asl) through the preprocessor # resolve includes and any CONFIG options used. This produces dsdt.asl.tmp # which is pure ASL code. The Intel ASL (ACPI (Advanced Configuration and Power # Interface) Source Language compiler (iasl) then converts this ASL code into a # C file containing the hex data to build into U-Boot. This file is called # dsdt.hex (despite us setting the prefix to .../dsdt.asl.tmp) so must be # renamed to dsdt.c for consumption by the build system. ASL_TMP = $(patsubst %.c,%.asl.tmp,$@) |
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quiet_cmd_acpi_c_asl= ASL $< |
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cmd_acpi_c_asl= \ |
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$(CPP) -x assembler-with-cpp -D__ASSEMBLY__ -P $(UBOOTINCLUDE) \ -o $(ASL_TMP) $< && \ iasl -p $@ -tc $(ASL_TMP) $(if $(KBUILD_VERBOSE:1=), >/dev/null) && \ mv $(patsubst %.c,%.hex,$@) $@ |
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$(obj)/dsdt.c: $(src)/dsdt.asl |
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$(call cmd,acpi_c_asl) |
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$(Q)sed -i -e "s,dsdt_aml_code,AmlCode," $@ |
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# Bzip2 # --------------------------------------------------------------------------- # Bzip2 and LZMA do not include size in file... so we have to fake that; # append the size as a 32-bit littleendian number as gzip does. size_append = printf $(shell \ dec_size=0; \ for F in $1; do \ fsize=$$(stat -c "%s" $$F); \ dec_size=$$(expr $$dec_size + $$fsize); \ done; \ printf "%08x " $$dec_size | \ sed 's/\(..\)/\1 /g' | { \ read ch0 ch1 ch2 ch3; \ for ch in $$ch3 $$ch2 $$ch1 $$ch0; do \ printf '%s%03o' '\\' $$((0x$$ch)); \ done; \ } \ ) quiet_cmd_bzip2 = BZIP2 $@ cmd_bzip2 = (cat $(filter-out FORCE,$^) | \ bzip2 -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ (rm -f $@ ; false) # Lzma # --------------------------------------------------------------------------- quiet_cmd_lzma = LZMA $@ cmd_lzma = (cat $(filter-out FORCE,$^) | \ lzma -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ (rm -f $@ ; false) quiet_cmd_lzo = LZO $@ cmd_lzo = (cat $(filter-out FORCE,$^) | \ lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ (rm -f $@ ; false) quiet_cmd_lz4 = LZ4 $@ cmd_lz4 = (cat $(filter-out FORCE,$^) | \ lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ (rm -f $@ ; false) # U-Boot mkimage # --------------------------------------------------------------------------- MKIMAGE := $(srctree)/scripts/mkuboot.sh # SRCARCH just happens to match slightly more than ARCH (on sparc), so reduces # the number of overrides in arch makefiles UIMAGE_ARCH ?= $(SRCARCH) UIMAGE_COMPRESSION ?= $(if $(2),$(2),none) UIMAGE_OPTS-y ?= UIMAGE_TYPE ?= kernel UIMAGE_LOADADDR ?= arch_must_set_this UIMAGE_ENTRYADDR ?= $(UIMAGE_LOADADDR) UIMAGE_NAME ?= 'Linux-$(KERNELRELEASE)' UIMAGE_IN ?= $< UIMAGE_OUT ?= $@ quiet_cmd_uimage = UIMAGE $(UIMAGE_OUT) cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A $(UIMAGE_ARCH) -O linux \ -C $(UIMAGE_COMPRESSION) $(UIMAGE_OPTS-y) \ -T $(UIMAGE_TYPE) \ -a $(UIMAGE_LOADADDR) -e $(UIMAGE_ENTRYADDR) \ -n $(UIMAGE_NAME) -d $(UIMAGE_IN) $(UIMAGE_OUT) # XZ # --------------------------------------------------------------------------- # Use xzkern to compress the kernel image and xzmisc to compress other things. # # xzkern uses a big LZMA2 dictionary since it doesn't increase memory usage # of the kernel decompressor. A BCJ filter is used if it is available for # the target architecture. xzkern also appends uncompressed size of the data # using size_append. The .xz format has the size information available at # the end of the file too, but it's in more complex format and it's good to # avoid changing the part of the boot code that reads the uncompressed size. # Note that the bytes added by size_append will make the xz tool think that # the file is corrupt. This is expected. # # xzmisc doesn't use size_append, so it can be used to create normal .xz # files. xzmisc uses smaller LZMA2 dictionary than xzkern, because a very # big dictionary would increase the memory usage too much in the multi-call # decompression mode. A BCJ filter isn't used either. quiet_cmd_xzkern = XZKERN $@ cmd_xzkern = (cat $(filter-out FORCE,$^) | \ sh $(srctree)/scripts/xz_wrap.sh && \ $(call size_append, $(filter-out FORCE,$^))) > $@ || \ (rm -f $@ ; false) quiet_cmd_xzmisc = XZMISC $@ cmd_xzmisc = (cat $(filter-out FORCE,$^) | \ xz --check=crc32 --lzma2=dict=1MiB) > $@ || \ (rm -f $@ ; false) |
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# Additional commands for U-Boot # # mkimage # --------------------------------------------------------------------------- |
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MKIMAGEOUTPUT ?= /dev/null |
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quiet_cmd_mkimage = MKIMAGE $@ cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ |
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>$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT)) |
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# fdtgrep # --------------------------------------------------------------------------- # Pass the original device tree file through fdtgrep twice. The first pass # removes any unwanted nodes (i.e. those which don't have the # 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second # pass removes various unused properties from the remaining nodes. # The output is typically a much smaller device tree file. ifeq ($(CONFIG_TPL_BUILD),y) fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl else fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-spl endif quiet_cmd_fdtgrep = FDTGREP $@ cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -RT $< \ -n /chosen -n /config -O dtb | \ $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \ |
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-P u-boot,dm-pre-reloc -P u-boot,dm-spl -P u-boot,dm-tpl \ |
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$(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS))) |
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# fdt_rm_props # --------------------------------------------------------------------------- # Pass the original device tree file through fdtgrep. This removes various # unused properties. The output is typically a smaller device tree file. quiet_cmd_fdt_rm_props = FDTGREP $@ cmd_fdt_rm_props = cat $< | $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \ $(addprefix -P ,$(subst $\",,$(CONFIG_OF_REMOVE_PROPS))) |