122433fc5SMasahiro Yamada# Backward compatibility 222433fc5SMasahiro Yamadaasflags-y += $(EXTRA_AFLAGS) 322433fc5SMasahiro Yamadaccflags-y += $(EXTRA_CFLAGS) 422433fc5SMasahiro Yamadacppflags-y += $(EXTRA_CPPFLAGS) 522433fc5SMasahiro Yamadaldflags-y += $(EXTRA_LDFLAGS) 622433fc5SMasahiro Yamada 722433fc5SMasahiro Yamada# 822433fc5SMasahiro Yamada# flags that take effect in sub directories 922433fc5SMasahiro Yamadaexport KBUILD_SUBDIR_ASFLAGS := $(KBUILD_SUBDIR_ASFLAGS) $(subdir-asflags-y) 1022433fc5SMasahiro Yamadaexport KBUILD_SUBDIR_CCFLAGS := $(KBUILD_SUBDIR_CCFLAGS) $(subdir-ccflags-y) 1122433fc5SMasahiro Yamada 1222433fc5SMasahiro Yamada# Figure out what we need to build from the various variables 1322433fc5SMasahiro Yamada# =========================================================================== 1422433fc5SMasahiro Yamada 1522433fc5SMasahiro Yamada# When an object is listed to be built compiled-in and modular, 1622433fc5SMasahiro Yamada# only build the compiled-in version 1722433fc5SMasahiro Yamada 1822433fc5SMasahiro Yamadaobj-m := $(filter-out $(obj-y),$(obj-m)) 1922433fc5SMasahiro Yamada 2022433fc5SMasahiro Yamada# Libraries are always collected in one lib file. 2122433fc5SMasahiro Yamada# Filter out objects already built-in 2222433fc5SMasahiro Yamada 2322433fc5SMasahiro Yamadalib-y := $(filter-out $(obj-y), $(sort $(lib-y) $(lib-m))) 2422433fc5SMasahiro Yamada 2522433fc5SMasahiro Yamada 2622433fc5SMasahiro Yamada# Handle objects in subdirs 2722433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 2822433fc5SMasahiro Yamada# o if we encounter foo/ in $(obj-y), replace it by foo/built-in.o 2922433fc5SMasahiro Yamada# and add the directory to the list of dirs to descend into: $(subdir-y) 3022433fc5SMasahiro Yamada# o if we encounter foo/ in $(obj-m), remove it from $(obj-m) 3122433fc5SMasahiro Yamada# and add the directory to the list of dirs to descend into: $(subdir-m) 3222433fc5SMasahiro Yamada 3322433fc5SMasahiro Yamada# Determine modorder. 3422433fc5SMasahiro Yamada# Unfortunately, we don't have information about ordering between -y 3522433fc5SMasahiro Yamada# and -m subdirs. Just put -y's first. 3622433fc5SMasahiro Yamadamodorder := $(patsubst %/,%/modules.order, $(filter %/, $(obj-y)) $(obj-m:.o=.ko)) 3722433fc5SMasahiro Yamada 3822433fc5SMasahiro Yamada__subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y))) 3922433fc5SMasahiro Yamadasubdir-y += $(__subdir-y) 4022433fc5SMasahiro Yamada__subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m))) 4122433fc5SMasahiro Yamadasubdir-m += $(__subdir-m) 4222433fc5SMasahiro Yamadaobj-y := $(patsubst %/, %/built-in.o, $(obj-y)) 4322433fc5SMasahiro Yamadaobj-m := $(filter-out %/, $(obj-m)) 4422433fc5SMasahiro Yamada 4522433fc5SMasahiro Yamada# Subdirectories we need to descend into 4622433fc5SMasahiro Yamada 4722433fc5SMasahiro Yamadasubdir-ym := $(sort $(subdir-y) $(subdir-m)) 4822433fc5SMasahiro Yamada 4922433fc5SMasahiro Yamada# if $(foo-objs) exists, foo.o is a composite object 5022433fc5SMasahiro Yamadamulti-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m)))) 5122433fc5SMasahiro Yamadamulti-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m)))) 5222433fc5SMasahiro Yamadamulti-used := $(multi-used-y) $(multi-used-m) 5322433fc5SMasahiro Yamadasingle-used-m := $(sort $(filter-out $(multi-used-m),$(obj-m))) 5422433fc5SMasahiro Yamada 5522433fc5SMasahiro Yamada# Build list of the parts of our composite objects, our composite 5622433fc5SMasahiro Yamada# objects depend on those (obviously) 5722433fc5SMasahiro Yamadamulti-objs-y := $(foreach m, $(multi-used-y), $($(m:.o=-objs)) $($(m:.o=-y))) 5822433fc5SMasahiro Yamadamulti-objs-m := $(foreach m, $(multi-used-m), $($(m:.o=-objs)) $($(m:.o=-y))) 5922433fc5SMasahiro Yamadamulti-objs := $(multi-objs-y) $(multi-objs-m) 6022433fc5SMasahiro Yamada 6122433fc5SMasahiro Yamada# $(subdir-obj-y) is the list of objects in $(obj-y) which uses dir/ to 6222433fc5SMasahiro Yamada# tell kbuild to descend 6322433fc5SMasahiro Yamadasubdir-obj-y := $(filter %/built-in.o, $(obj-y)) 6422433fc5SMasahiro Yamada 6522433fc5SMasahiro Yamada# $(obj-dirs) is a list of directories that contain object files 6622433fc5SMasahiro Yamadaobj-dirs := $(dir $(multi-objs) $(obj-y)) 6722433fc5SMasahiro Yamada 6822433fc5SMasahiro Yamada# Replace multi-part objects by their individual parts, look at local dir only 6922433fc5SMasahiro Yamadareal-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) 7022433fc5SMasahiro Yamadareal-objs-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) 7122433fc5SMasahiro Yamada 7222433fc5SMasahiro Yamada# Add subdir path 7322433fc5SMasahiro Yamada 7422433fc5SMasahiro Yamadaextra-y := $(addprefix $(obj)/,$(extra-y)) 7522433fc5SMasahiro Yamadaalways := $(addprefix $(obj)/,$(always)) 7622433fc5SMasahiro Yamadatargets := $(addprefix $(obj)/,$(targets)) 7722433fc5SMasahiro Yamadamodorder := $(addprefix $(obj)/,$(modorder)) 7822433fc5SMasahiro Yamadaobj-y := $(addprefix $(obj)/,$(obj-y)) 7922433fc5SMasahiro Yamadaobj-m := $(addprefix $(obj)/,$(obj-m)) 8022433fc5SMasahiro Yamadalib-y := $(addprefix $(obj)/,$(lib-y)) 8122433fc5SMasahiro Yamadasubdir-obj-y := $(addprefix $(obj)/,$(subdir-obj-y)) 8222433fc5SMasahiro Yamadareal-objs-y := $(addprefix $(obj)/,$(real-objs-y)) 8322433fc5SMasahiro Yamadareal-objs-m := $(addprefix $(obj)/,$(real-objs-m)) 8422433fc5SMasahiro Yamadasingle-used-m := $(addprefix $(obj)/,$(single-used-m)) 8522433fc5SMasahiro Yamadamulti-used-y := $(addprefix $(obj)/,$(multi-used-y)) 8622433fc5SMasahiro Yamadamulti-used-m := $(addprefix $(obj)/,$(multi-used-m)) 8722433fc5SMasahiro Yamadamulti-objs-y := $(addprefix $(obj)/,$(multi-objs-y)) 8822433fc5SMasahiro Yamadamulti-objs-m := $(addprefix $(obj)/,$(multi-objs-m)) 8922433fc5SMasahiro Yamadasubdir-ym := $(addprefix $(obj)/,$(subdir-ym)) 9022433fc5SMasahiro Yamadaobj-dirs := $(addprefix $(obj)/,$(obj-dirs)) 9122433fc5SMasahiro Yamada 9222433fc5SMasahiro Yamada# These flags are needed for modversions and compiling, so we define them here 9322433fc5SMasahiro Yamada# already 9422433fc5SMasahiro Yamada# $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will 9522433fc5SMasahiro Yamada# end up in (or would, if it gets compiled in) 9622433fc5SMasahiro Yamada# Note: Files that end up in two or more modules are compiled without the 9722433fc5SMasahiro Yamada# KBUILD_MODNAME definition. The reason is that any made-up name would 9822433fc5SMasahiro Yamada# differ in different configs. 9922433fc5SMasahiro Yamadaname-fix = $(subst $(comma),_,$(subst -,_,$1)) 10022433fc5SMasahiro Yamadabasename_flags = -D"KBUILD_BASENAME=KBUILD_STR($(call name-fix,$(basetarget)))" 10122433fc5SMasahiro Yamadamodname_flags = $(if $(filter 1,$(words $(modname))),\ 10222433fc5SMasahiro Yamada -D"KBUILD_MODNAME=KBUILD_STR($(call name-fix,$(modname)))") 10322433fc5SMasahiro Yamada 104*026f9cf2SMasahiro Yamadaorig_c_flags = $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(KBUILD_SUBDIR_CCFLAGS) \ 10522433fc5SMasahiro Yamada $(ccflags-y) $(CFLAGS_$(basetarget).o) 10622433fc5SMasahiro Yamada_c_flags = $(filter-out $(CFLAGS_REMOVE_$(basetarget).o), $(orig_c_flags)) 107*026f9cf2SMasahiro Yamada_a_flags = $(KBUILD_CPPFLAGS) $(KBUILD_AFLAGS) $(KBUILD_SUBDIR_ASFLAGS) \ 10822433fc5SMasahiro Yamada $(asflags-y) $(AFLAGS_$(basetarget).o) 109*026f9cf2SMasahiro Yamada_cpp_flags = $(KBUILD_CPPFLAGS) $(cppflags-y) $(CPPFLAGS_$(@F)) 11022433fc5SMasahiro Yamada 11122433fc5SMasahiro Yamada# 11222433fc5SMasahiro Yamada# Enable gcov profiling flags for a file, directory or for all files depending 11322433fc5SMasahiro Yamada# on variables GCOV_PROFILE_obj.o, GCOV_PROFILE and CONFIG_GCOV_PROFILE_ALL 11422433fc5SMasahiro Yamada# (in this order) 11522433fc5SMasahiro Yamada# 11622433fc5SMasahiro Yamadaifeq ($(CONFIG_GCOV_KERNEL),y) 11722433fc5SMasahiro Yamada_c_flags += $(if $(patsubst n%,, \ 11822433fc5SMasahiro Yamada $(GCOV_PROFILE_$(basetarget).o)$(GCOV_PROFILE)$(CONFIG_GCOV_PROFILE_ALL)), \ 11922433fc5SMasahiro Yamada $(CFLAGS_GCOV)) 12022433fc5SMasahiro Yamadaendif 12122433fc5SMasahiro Yamada 12222433fc5SMasahiro Yamada# If building the kernel in a separate objtree expand all occurrences 12322433fc5SMasahiro Yamada# of -Idir to -I$(srctree)/dir except for absolute paths (starting with '/'). 12422433fc5SMasahiro Yamada 12522433fc5SMasahiro Yamadaifeq ($(KBUILD_SRC),) 12622433fc5SMasahiro Yamada__c_flags = $(_c_flags) 12722433fc5SMasahiro Yamada__a_flags = $(_a_flags) 12822433fc5SMasahiro Yamada__cpp_flags = $(_cpp_flags) 12922433fc5SMasahiro Yamadaelse 13022433fc5SMasahiro Yamada 13122433fc5SMasahiro Yamada# -I$(obj) locates generated .h files 13222433fc5SMasahiro Yamada# $(call addtree,-I$(obj)) locates .h files in srctree, from generated .c files 13322433fc5SMasahiro Yamada# and locates generated .h files 13422433fc5SMasahiro Yamada# FIXME: Replace both with specific CFLAGS* statements in the makefiles 13522433fc5SMasahiro Yamada__c_flags = $(call addtree,-I$(obj)) $(call flags,_c_flags) 13622433fc5SMasahiro Yamada__a_flags = $(call flags,_a_flags) 13722433fc5SMasahiro Yamada__cpp_flags = $(call flags,_cpp_flags) 13822433fc5SMasahiro Yamadaendif 13922433fc5SMasahiro Yamada 1406825a95bSMasahiro Yamada# Modified for U-Boot: LINUXINCLUDE -> UBOOTINCLUDE 1416825a95bSMasahiro Yamadac_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ 14222433fc5SMasahiro Yamada $(__c_flags) $(modkern_cflags) \ 14322433fc5SMasahiro Yamada -D"KBUILD_STR(s)=\#s" $(basename_flags) $(modname_flags) 14422433fc5SMasahiro Yamada 1456825a95bSMasahiro Yamadaa_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ 14622433fc5SMasahiro Yamada $(__a_flags) $(modkern_aflags) 14722433fc5SMasahiro Yamada 1486825a95bSMasahiro Yamadacpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ 14922433fc5SMasahiro Yamada $(__cpp_flags) 15022433fc5SMasahiro Yamada 15122433fc5SMasahiro Yamadald_flags = $(LDFLAGS) $(ldflags-y) 15222433fc5SMasahiro Yamada 1536ab6b2afSMasahiro Yamada# Modified for U-Boot 15422433fc5SMasahiro Yamadadtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \ 1556ab6b2afSMasahiro Yamada -I$(srctree)/arch/$(ARCH)/dts \ 15622433fc5SMasahiro Yamada -undef -D__DTS__ 15722433fc5SMasahiro Yamada 15822433fc5SMasahiro Yamada# Finds the multi-part object the current object will be linked into 15922433fc5SMasahiro Yamadamodname-multi = $(sort $(foreach m,$(multi-used),\ 16022433fc5SMasahiro Yamada $(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=)))) 16122433fc5SMasahiro Yamada 16222433fc5SMasahiro Yamadaifdef REGENERATE_PARSERS 16322433fc5SMasahiro Yamada 16422433fc5SMasahiro Yamada# GPERF 16522433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 16622433fc5SMasahiro Yamadaquiet_cmd_gperf = GPERF $@ 16722433fc5SMasahiro Yamada cmd_gperf = gperf -t --output-file $@ -a -C -E -g -k 1,3,$$ -p -t $< 16822433fc5SMasahiro Yamada 16922433fc5SMasahiro Yamada.PRECIOUS: $(src)/%.hash.c_shipped 17022433fc5SMasahiro Yamada$(src)/%.hash.c_shipped: $(src)/%.gperf 17122433fc5SMasahiro Yamada $(call cmd,gperf) 17222433fc5SMasahiro Yamada 17322433fc5SMasahiro Yamada# LEX 17422433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 17522433fc5SMasahiro YamadaLEX_PREFIX = $(if $(LEX_PREFIX_${baseprereq}),$(LEX_PREFIX_${baseprereq}),yy) 17622433fc5SMasahiro Yamada 17722433fc5SMasahiro Yamadaquiet_cmd_flex = LEX $@ 17822433fc5SMasahiro Yamada cmd_flex = flex -o$@ -L -P $(LEX_PREFIX) $< 17922433fc5SMasahiro Yamada 18022433fc5SMasahiro Yamada.PRECIOUS: $(src)/%.lex.c_shipped 18122433fc5SMasahiro Yamada$(src)/%.lex.c_shipped: $(src)/%.l 18222433fc5SMasahiro Yamada $(call cmd,flex) 18322433fc5SMasahiro Yamada 18422433fc5SMasahiro Yamada# YACC 18522433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 18622433fc5SMasahiro YamadaYACC_PREFIX = $(if $(YACC_PREFIX_${baseprereq}),$(YACC_PREFIX_${baseprereq}),yy) 18722433fc5SMasahiro Yamada 18822433fc5SMasahiro Yamadaquiet_cmd_bison = YACC $@ 18922433fc5SMasahiro Yamada cmd_bison = bison -o$@ -t -l -p $(YACC_PREFIX) $< 19022433fc5SMasahiro Yamada 19122433fc5SMasahiro Yamada.PRECIOUS: $(src)/%.tab.c_shipped 19222433fc5SMasahiro Yamada$(src)/%.tab.c_shipped: $(src)/%.y 19322433fc5SMasahiro Yamada $(call cmd,bison) 19422433fc5SMasahiro Yamada 19522433fc5SMasahiro Yamadaquiet_cmd_bison_h = YACC $@ 19622433fc5SMasahiro Yamada cmd_bison_h = bison -o/dev/null --defines=$@ -t -l -p $(YACC_PREFIX) $< 19722433fc5SMasahiro Yamada 19822433fc5SMasahiro Yamada.PRECIOUS: $(src)/%.tab.h_shipped 19922433fc5SMasahiro Yamada$(src)/%.tab.h_shipped: $(src)/%.y 20022433fc5SMasahiro Yamada $(call cmd,bison_h) 20122433fc5SMasahiro Yamada 20222433fc5SMasahiro Yamadaendif 20322433fc5SMasahiro Yamada 20422433fc5SMasahiro Yamada# Shipped files 20522433fc5SMasahiro Yamada# =========================================================================== 20622433fc5SMasahiro Yamada 20722433fc5SMasahiro Yamadaquiet_cmd_shipped = SHIPPED $@ 20822433fc5SMasahiro Yamadacmd_shipped = cat $< > $@ 20922433fc5SMasahiro Yamada 21022433fc5SMasahiro Yamada$(obj)/%: $(src)/%_shipped 21122433fc5SMasahiro Yamada $(call cmd,shipped) 21222433fc5SMasahiro Yamada 21322433fc5SMasahiro Yamada# Commands useful for building a boot image 21422433fc5SMasahiro Yamada# =========================================================================== 21522433fc5SMasahiro Yamada# 21622433fc5SMasahiro Yamada# Use as following: 21722433fc5SMasahiro Yamada# 21822433fc5SMasahiro Yamada# target: source(s) FORCE 21922433fc5SMasahiro Yamada# $(if_changed,ld/objcopy/gzip) 22022433fc5SMasahiro Yamada# 22122433fc5SMasahiro Yamada# and add target to extra-y so that we know we have to 22222433fc5SMasahiro Yamada# read in the saved command line 22322433fc5SMasahiro Yamada 22422433fc5SMasahiro Yamada# Linking 22522433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 22622433fc5SMasahiro Yamada 22722433fc5SMasahiro Yamadaquiet_cmd_ld = LD $@ 22822433fc5SMasahiro Yamadacmd_ld = $(LD) $(LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F)) \ 22922433fc5SMasahiro Yamada $(filter-out FORCE,$^) -o $@ 23022433fc5SMasahiro Yamada 23122433fc5SMasahiro Yamada# Objcopy 23222433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 23322433fc5SMasahiro Yamada 23422433fc5SMasahiro Yamadaquiet_cmd_objcopy = OBJCOPY $@ 23522433fc5SMasahiro Yamadacmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 23622433fc5SMasahiro Yamada 23722433fc5SMasahiro Yamada# Gzip 23822433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 23922433fc5SMasahiro Yamada 24022433fc5SMasahiro Yamadaquiet_cmd_gzip = GZIP $@ 24122433fc5SMasahiro Yamadacmd_gzip = (cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@) || \ 24222433fc5SMasahiro Yamada (rm -f $@ ; false) 24322433fc5SMasahiro Yamada 24422433fc5SMasahiro Yamada# DTC 24522433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 24622433fc5SMasahiro Yamada 24722433fc5SMasahiro Yamada# Generate an assembly file to wrap the output of the device tree compiler 24822433fc5SMasahiro Yamadaquiet_cmd_dt_S_dtb= DTB $@ 2496ab6b2afSMasahiro Yamada# Modified for U-Boot 25022433fc5SMasahiro Yamadacmd_dt_S_dtb= \ 25122433fc5SMasahiro Yamada( \ 25222433fc5SMasahiro Yamada echo '.section .dtb.init.rodata,"a"'; \ 25322433fc5SMasahiro Yamada echo '.global __dtb_$(*F)_begin'; \ 25422433fc5SMasahiro Yamada echo '__dtb_$(*F)_begin:'; \ 25522433fc5SMasahiro Yamada echo '.incbin "$<" '; \ 25622433fc5SMasahiro Yamada echo '__dtb_$(*F)_end:'; \ 25722433fc5SMasahiro Yamada echo '.global __dtb_$(*F)_end'; \ 25822433fc5SMasahiro Yamada) > $@ 25922433fc5SMasahiro Yamada 26022433fc5SMasahiro Yamada$(obj)/%.dtb.S: $(obj)/%.dtb 26122433fc5SMasahiro Yamada $(call cmd,dt_S_dtb) 26222433fc5SMasahiro Yamada 26322433fc5SMasahiro Yamadaquiet_cmd_dtc = DTC $@ 2646ab6b2afSMasahiro Yamada# Modified for U-Boot 26522433fc5SMasahiro Yamadacmd_dtc = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ 2666ab6b2afSMasahiro Yamada dtc -O dtb -o $@ -b 0 \ 26722433fc5SMasahiro Yamada -i $(dir $<) $(DTC_FLAGS) \ 26822433fc5SMasahiro Yamada -d $(depfile).dtc.tmp $(dtc-tmp) ; \ 26922433fc5SMasahiro Yamada cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) 27022433fc5SMasahiro Yamada 27122433fc5SMasahiro Yamada$(obj)/%.dtb: $(src)/%.dts FORCE 27222433fc5SMasahiro Yamada $(call if_changed_dep,dtc) 27322433fc5SMasahiro Yamada 27422433fc5SMasahiro Yamadadtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp) 27522433fc5SMasahiro Yamada 27622433fc5SMasahiro Yamada# Bzip2 27722433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 27822433fc5SMasahiro Yamada 27922433fc5SMasahiro Yamada# Bzip2 and LZMA do not include size in file... so we have to fake that; 28022433fc5SMasahiro Yamada# append the size as a 32-bit littleendian number as gzip does. 28122433fc5SMasahiro Yamadasize_append = printf $(shell \ 28222433fc5SMasahiro Yamadadec_size=0; \ 28322433fc5SMasahiro Yamadafor F in $1; do \ 28422433fc5SMasahiro Yamada fsize=$$(stat -c "%s" $$F); \ 28522433fc5SMasahiro Yamada dec_size=$$(expr $$dec_size + $$fsize); \ 28622433fc5SMasahiro Yamadadone; \ 28722433fc5SMasahiro Yamadaprintf "%08x\n" $$dec_size | \ 28822433fc5SMasahiro Yamada sed 's/\(..\)/\1 /g' | { \ 28922433fc5SMasahiro Yamada read ch0 ch1 ch2 ch3; \ 29022433fc5SMasahiro Yamada for ch in $$ch3 $$ch2 $$ch1 $$ch0; do \ 29122433fc5SMasahiro Yamada printf '%s%03o' '\\' $$((0x$$ch)); \ 29222433fc5SMasahiro Yamada done; \ 29322433fc5SMasahiro Yamada } \ 29422433fc5SMasahiro Yamada) 29522433fc5SMasahiro Yamada 29622433fc5SMasahiro Yamadaquiet_cmd_bzip2 = BZIP2 $@ 29722433fc5SMasahiro Yamadacmd_bzip2 = (cat $(filter-out FORCE,$^) | \ 29822433fc5SMasahiro Yamada bzip2 -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ 29922433fc5SMasahiro Yamada (rm -f $@ ; false) 30022433fc5SMasahiro Yamada 30122433fc5SMasahiro Yamada# Lzma 30222433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 30322433fc5SMasahiro Yamada 30422433fc5SMasahiro Yamadaquiet_cmd_lzma = LZMA $@ 30522433fc5SMasahiro Yamadacmd_lzma = (cat $(filter-out FORCE,$^) | \ 30622433fc5SMasahiro Yamada lzma -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ 30722433fc5SMasahiro Yamada (rm -f $@ ; false) 30822433fc5SMasahiro Yamada 30922433fc5SMasahiro Yamadaquiet_cmd_lzo = LZO $@ 31022433fc5SMasahiro Yamadacmd_lzo = (cat $(filter-out FORCE,$^) | \ 31122433fc5SMasahiro Yamada lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ 31222433fc5SMasahiro Yamada (rm -f $@ ; false) 31322433fc5SMasahiro Yamada 31422433fc5SMasahiro Yamadaquiet_cmd_lz4 = LZ4 $@ 31522433fc5SMasahiro Yamadacmd_lz4 = (cat $(filter-out FORCE,$^) | \ 31622433fc5SMasahiro Yamada lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ 31722433fc5SMasahiro Yamada (rm -f $@ ; false) 31822433fc5SMasahiro Yamada 31922433fc5SMasahiro Yamada# U-Boot mkimage 32022433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 32122433fc5SMasahiro Yamada 32222433fc5SMasahiro YamadaMKIMAGE := $(srctree)/scripts/mkuboot.sh 32322433fc5SMasahiro Yamada 32422433fc5SMasahiro Yamada# SRCARCH just happens to match slightly more than ARCH (on sparc), so reduces 32522433fc5SMasahiro Yamada# the number of overrides in arch makefiles 32622433fc5SMasahiro YamadaUIMAGE_ARCH ?= $(SRCARCH) 32722433fc5SMasahiro YamadaUIMAGE_COMPRESSION ?= $(if $(2),$(2),none) 32822433fc5SMasahiro YamadaUIMAGE_OPTS-y ?= 32922433fc5SMasahiro YamadaUIMAGE_TYPE ?= kernel 33022433fc5SMasahiro YamadaUIMAGE_LOADADDR ?= arch_must_set_this 33122433fc5SMasahiro YamadaUIMAGE_ENTRYADDR ?= $(UIMAGE_LOADADDR) 33222433fc5SMasahiro YamadaUIMAGE_NAME ?= 'Linux-$(KERNELRELEASE)' 33322433fc5SMasahiro YamadaUIMAGE_IN ?= $< 33422433fc5SMasahiro YamadaUIMAGE_OUT ?= $@ 33522433fc5SMasahiro Yamada 33622433fc5SMasahiro Yamadaquiet_cmd_uimage = UIMAGE $(UIMAGE_OUT) 33722433fc5SMasahiro Yamada cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A $(UIMAGE_ARCH) -O linux \ 33822433fc5SMasahiro Yamada -C $(UIMAGE_COMPRESSION) $(UIMAGE_OPTS-y) \ 33922433fc5SMasahiro Yamada -T $(UIMAGE_TYPE) \ 34022433fc5SMasahiro Yamada -a $(UIMAGE_LOADADDR) -e $(UIMAGE_ENTRYADDR) \ 34122433fc5SMasahiro Yamada -n $(UIMAGE_NAME) -d $(UIMAGE_IN) $(UIMAGE_OUT) 34222433fc5SMasahiro Yamada 34322433fc5SMasahiro Yamada# XZ 34422433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 34522433fc5SMasahiro Yamada# Use xzkern to compress the kernel image and xzmisc to compress other things. 34622433fc5SMasahiro Yamada# 34722433fc5SMasahiro Yamada# xzkern uses a big LZMA2 dictionary since it doesn't increase memory usage 34822433fc5SMasahiro Yamada# of the kernel decompressor. A BCJ filter is used if it is available for 34922433fc5SMasahiro Yamada# the target architecture. xzkern also appends uncompressed size of the data 35022433fc5SMasahiro Yamada# using size_append. The .xz format has the size information available at 35122433fc5SMasahiro Yamada# the end of the file too, but it's in more complex format and it's good to 35222433fc5SMasahiro Yamada# avoid changing the part of the boot code that reads the uncompressed size. 35322433fc5SMasahiro Yamada# Note that the bytes added by size_append will make the xz tool think that 35422433fc5SMasahiro Yamada# the file is corrupt. This is expected. 35522433fc5SMasahiro Yamada# 35622433fc5SMasahiro Yamada# xzmisc doesn't use size_append, so it can be used to create normal .xz 35722433fc5SMasahiro Yamada# files. xzmisc uses smaller LZMA2 dictionary than xzkern, because a very 35822433fc5SMasahiro Yamada# big dictionary would increase the memory usage too much in the multi-call 35922433fc5SMasahiro Yamada# decompression mode. A BCJ filter isn't used either. 36022433fc5SMasahiro Yamadaquiet_cmd_xzkern = XZKERN $@ 36122433fc5SMasahiro Yamadacmd_xzkern = (cat $(filter-out FORCE,$^) | \ 36222433fc5SMasahiro Yamada sh $(srctree)/scripts/xz_wrap.sh && \ 36322433fc5SMasahiro Yamada $(call size_append, $(filter-out FORCE,$^))) > $@ || \ 36422433fc5SMasahiro Yamada (rm -f $@ ; false) 36522433fc5SMasahiro Yamada 36622433fc5SMasahiro Yamadaquiet_cmd_xzmisc = XZMISC $@ 36722433fc5SMasahiro Yamadacmd_xzmisc = (cat $(filter-out FORCE,$^) | \ 36822433fc5SMasahiro Yamada xz --check=crc32 --lzma2=dict=1MiB) > $@ || \ 36922433fc5SMasahiro Yamada (rm -f $@ ; false) 37022433fc5SMasahiro Yamada 37122433fc5SMasahiro Yamada# misc stuff 37222433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 37322433fc5SMasahiro Yamadaquote:=" 374