1f32c8649STom Rini# 2f32c8649STom Rini# SPDX-License-Identifier: GPL-2.0 3f32c8649STom Rini# 422433fc5SMasahiro Yamada# Backward compatibility 522433fc5SMasahiro Yamadaasflags-y += $(EXTRA_AFLAGS) 622433fc5SMasahiro Yamadaccflags-y += $(EXTRA_CFLAGS) 722433fc5SMasahiro Yamadacppflags-y += $(EXTRA_CPPFLAGS) 822433fc5SMasahiro Yamadaldflags-y += $(EXTRA_LDFLAGS) 922433fc5SMasahiro Yamada 1022433fc5SMasahiro Yamada# 1122433fc5SMasahiro Yamada# flags that take effect in sub directories 1222433fc5SMasahiro Yamadaexport KBUILD_SUBDIR_ASFLAGS := $(KBUILD_SUBDIR_ASFLAGS) $(subdir-asflags-y) 1322433fc5SMasahiro Yamadaexport KBUILD_SUBDIR_CCFLAGS := $(KBUILD_SUBDIR_CCFLAGS) $(subdir-ccflags-y) 1422433fc5SMasahiro Yamada 1522433fc5SMasahiro Yamada# Figure out what we need to build from the various variables 1622433fc5SMasahiro Yamada# =========================================================================== 1722433fc5SMasahiro Yamada 1822433fc5SMasahiro Yamada# When an object is listed to be built compiled-in and modular, 1922433fc5SMasahiro Yamada# only build the compiled-in version 2022433fc5SMasahiro Yamada 2122433fc5SMasahiro Yamadaobj-m := $(filter-out $(obj-y),$(obj-m)) 2222433fc5SMasahiro Yamada 2322433fc5SMasahiro Yamada# Libraries are always collected in one lib file. 2422433fc5SMasahiro Yamada# Filter out objects already built-in 2522433fc5SMasahiro Yamada 2622433fc5SMasahiro Yamadalib-y := $(filter-out $(obj-y), $(sort $(lib-y) $(lib-m))) 2722433fc5SMasahiro Yamada 2822433fc5SMasahiro Yamada 2922433fc5SMasahiro Yamada# Handle objects in subdirs 3022433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 3122433fc5SMasahiro Yamada# o if we encounter foo/ in $(obj-y), replace it by foo/built-in.o 3222433fc5SMasahiro Yamada# and add the directory to the list of dirs to descend into: $(subdir-y) 3322433fc5SMasahiro Yamada# o if we encounter foo/ in $(obj-m), remove it from $(obj-m) 3422433fc5SMasahiro Yamada# and add the directory to the list of dirs to descend into: $(subdir-m) 3522433fc5SMasahiro Yamada 3622433fc5SMasahiro Yamada# Determine modorder. 3722433fc5SMasahiro Yamada# Unfortunately, we don't have information about ordering between -y 3822433fc5SMasahiro Yamada# and -m subdirs. Just put -y's first. 3922433fc5SMasahiro Yamadamodorder := $(patsubst %/,%/modules.order, $(filter %/, $(obj-y)) $(obj-m:.o=.ko)) 4022433fc5SMasahiro Yamada 4122433fc5SMasahiro Yamada__subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y))) 4222433fc5SMasahiro Yamadasubdir-y += $(__subdir-y) 4322433fc5SMasahiro Yamada__subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m))) 4422433fc5SMasahiro Yamadasubdir-m += $(__subdir-m) 4522433fc5SMasahiro Yamadaobj-y := $(patsubst %/, %/built-in.o, $(obj-y)) 4622433fc5SMasahiro Yamadaobj-m := $(filter-out %/, $(obj-m)) 4722433fc5SMasahiro Yamada 4822433fc5SMasahiro Yamada# Subdirectories we need to descend into 4922433fc5SMasahiro Yamada 5022433fc5SMasahiro Yamadasubdir-ym := $(sort $(subdir-y) $(subdir-m)) 5122433fc5SMasahiro Yamada 5222433fc5SMasahiro Yamada# if $(foo-objs) exists, foo.o is a composite object 5322433fc5SMasahiro Yamadamulti-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m)))) 5422433fc5SMasahiro Yamadamulti-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m)))) 5522433fc5SMasahiro Yamadamulti-used := $(multi-used-y) $(multi-used-m) 5622433fc5SMasahiro Yamadasingle-used-m := $(sort $(filter-out $(multi-used-m),$(obj-m))) 5722433fc5SMasahiro Yamada 5822433fc5SMasahiro Yamada# Build list of the parts of our composite objects, our composite 5922433fc5SMasahiro Yamada# objects depend on those (obviously) 6022433fc5SMasahiro Yamadamulti-objs-y := $(foreach m, $(multi-used-y), $($(m:.o=-objs)) $($(m:.o=-y))) 6122433fc5SMasahiro Yamadamulti-objs-m := $(foreach m, $(multi-used-m), $($(m:.o=-objs)) $($(m:.o=-y))) 6222433fc5SMasahiro Yamadamulti-objs := $(multi-objs-y) $(multi-objs-m) 6322433fc5SMasahiro Yamada 6422433fc5SMasahiro Yamada# $(subdir-obj-y) is the list of objects in $(obj-y) which uses dir/ to 6522433fc5SMasahiro Yamada# tell kbuild to descend 6622433fc5SMasahiro Yamadasubdir-obj-y := $(filter %/built-in.o, $(obj-y)) 6722433fc5SMasahiro Yamada 6822433fc5SMasahiro Yamada# $(obj-dirs) is a list of directories that contain object files 6922433fc5SMasahiro Yamadaobj-dirs := $(dir $(multi-objs) $(obj-y)) 7022433fc5SMasahiro Yamada 7122433fc5SMasahiro Yamada# Replace multi-part objects by their individual parts, look at local dir only 7222433fc5SMasahiro 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) 7322433fc5SMasahiro Yamadareal-objs-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) 7422433fc5SMasahiro Yamada 7522433fc5SMasahiro Yamada# Add subdir path 7622433fc5SMasahiro Yamada 7722433fc5SMasahiro Yamadaextra-y := $(addprefix $(obj)/,$(extra-y)) 7822433fc5SMasahiro Yamadaalways := $(addprefix $(obj)/,$(always)) 7922433fc5SMasahiro Yamadatargets := $(addprefix $(obj)/,$(targets)) 8022433fc5SMasahiro Yamadamodorder := $(addprefix $(obj)/,$(modorder)) 8122433fc5SMasahiro Yamadaobj-y := $(addprefix $(obj)/,$(obj-y)) 8222433fc5SMasahiro Yamadaobj-m := $(addprefix $(obj)/,$(obj-m)) 8322433fc5SMasahiro Yamadalib-y := $(addprefix $(obj)/,$(lib-y)) 8422433fc5SMasahiro Yamadasubdir-obj-y := $(addprefix $(obj)/,$(subdir-obj-y)) 8522433fc5SMasahiro Yamadareal-objs-y := $(addprefix $(obj)/,$(real-objs-y)) 8622433fc5SMasahiro Yamadareal-objs-m := $(addprefix $(obj)/,$(real-objs-m)) 8722433fc5SMasahiro Yamadasingle-used-m := $(addprefix $(obj)/,$(single-used-m)) 8822433fc5SMasahiro Yamadamulti-used-y := $(addprefix $(obj)/,$(multi-used-y)) 8922433fc5SMasahiro Yamadamulti-used-m := $(addprefix $(obj)/,$(multi-used-m)) 9022433fc5SMasahiro Yamadamulti-objs-y := $(addprefix $(obj)/,$(multi-objs-y)) 9122433fc5SMasahiro Yamadamulti-objs-m := $(addprefix $(obj)/,$(multi-objs-m)) 9222433fc5SMasahiro Yamadasubdir-ym := $(addprefix $(obj)/,$(subdir-ym)) 9322433fc5SMasahiro Yamadaobj-dirs := $(addprefix $(obj)/,$(obj-dirs)) 9422433fc5SMasahiro Yamada 9522433fc5SMasahiro Yamada# These flags are needed for modversions and compiling, so we define them here 9622433fc5SMasahiro Yamada# already 9722433fc5SMasahiro Yamada# $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will 9822433fc5SMasahiro Yamada# end up in (or would, if it gets compiled in) 9922433fc5SMasahiro Yamada# Note: Files that end up in two or more modules are compiled without the 10022433fc5SMasahiro Yamada# KBUILD_MODNAME definition. The reason is that any made-up name would 10122433fc5SMasahiro Yamada# differ in different configs. 10222433fc5SMasahiro Yamadaname-fix = $(subst $(comma),_,$(subst -,_,$1)) 10322433fc5SMasahiro Yamadabasename_flags = -D"KBUILD_BASENAME=KBUILD_STR($(call name-fix,$(basetarget)))" 10422433fc5SMasahiro Yamadamodname_flags = $(if $(filter 1,$(words $(modname))),\ 10522433fc5SMasahiro Yamada -D"KBUILD_MODNAME=KBUILD_STR($(call name-fix,$(modname)))") 10622433fc5SMasahiro Yamada 107026f9cf2SMasahiro Yamadaorig_c_flags = $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(KBUILD_SUBDIR_CCFLAGS) \ 10822433fc5SMasahiro Yamada $(ccflags-y) $(CFLAGS_$(basetarget).o) 10922433fc5SMasahiro Yamada_c_flags = $(filter-out $(CFLAGS_REMOVE_$(basetarget).o), $(orig_c_flags)) 1103834f417SSimon Glassorig_a_flags = $(KBUILD_CPPFLAGS) $(KBUILD_AFLAGS) $(KBUILD_SUBDIR_ASFLAGS) \ 11122433fc5SMasahiro Yamada $(asflags-y) $(AFLAGS_$(basetarget).o) 1123834f417SSimon Glass_a_flags = $(filter-out $(AFLAGS_REMOVE_$(basetarget).o), $(orig_a_flags)) 113026f9cf2SMasahiro Yamada_cpp_flags = $(KBUILD_CPPFLAGS) $(cppflags-y) $(CPPFLAGS_$(@F)) 11422433fc5SMasahiro Yamada 11522433fc5SMasahiro Yamada# 11622433fc5SMasahiro Yamada# Enable gcov profiling flags for a file, directory or for all files depending 11722433fc5SMasahiro Yamada# on variables GCOV_PROFILE_obj.o, GCOV_PROFILE and CONFIG_GCOV_PROFILE_ALL 11822433fc5SMasahiro Yamada# (in this order) 11922433fc5SMasahiro Yamada# 12022433fc5SMasahiro Yamadaifeq ($(CONFIG_GCOV_KERNEL),y) 12122433fc5SMasahiro Yamada_c_flags += $(if $(patsubst n%,, \ 12222433fc5SMasahiro Yamada $(GCOV_PROFILE_$(basetarget).o)$(GCOV_PROFILE)$(CONFIG_GCOV_PROFILE_ALL)), \ 12322433fc5SMasahiro Yamada $(CFLAGS_GCOV)) 12422433fc5SMasahiro Yamadaendif 12522433fc5SMasahiro Yamada 12698bd0e0dSMasahiro Yamada# 12798bd0e0dSMasahiro Yamada# Enable address sanitizer flags for kernel except some files or directories 12898bd0e0dSMasahiro Yamada# we don't want to check (depends on variables KASAN_SANITIZE_obj.o, KASAN_SANITIZE) 12998bd0e0dSMasahiro Yamada# 13098bd0e0dSMasahiro Yamadaifeq ($(CONFIG_KASAN),y) 13198bd0e0dSMasahiro Yamada_c_flags += $(if $(patsubst n%,, \ 13298bd0e0dSMasahiro Yamada $(KASAN_SANITIZE_$(basetarget).o)$(KASAN_SANITIZE)y), \ 13398bd0e0dSMasahiro Yamada $(CFLAGS_KASAN)) 13498bd0e0dSMasahiro Yamadaendif 13598bd0e0dSMasahiro Yamada 13622433fc5SMasahiro Yamada# If building the kernel in a separate objtree expand all occurrences 13722433fc5SMasahiro Yamada# of -Idir to -I$(srctree)/dir except for absolute paths (starting with '/'). 13822433fc5SMasahiro Yamada 13922433fc5SMasahiro Yamadaifeq ($(KBUILD_SRC),) 14022433fc5SMasahiro Yamada__c_flags = $(_c_flags) 14122433fc5SMasahiro Yamada__a_flags = $(_a_flags) 14222433fc5SMasahiro Yamada__cpp_flags = $(_cpp_flags) 14322433fc5SMasahiro Yamadaelse 14422433fc5SMasahiro Yamada 14522433fc5SMasahiro Yamada# -I$(obj) locates generated .h files 14622433fc5SMasahiro Yamada# $(call addtree,-I$(obj)) locates .h files in srctree, from generated .c files 14722433fc5SMasahiro Yamada# and locates generated .h files 14822433fc5SMasahiro Yamada# FIXME: Replace both with specific CFLAGS* statements in the makefiles 14922433fc5SMasahiro Yamada__c_flags = $(call addtree,-I$(obj)) $(call flags,_c_flags) 15022433fc5SMasahiro Yamada__a_flags = $(call flags,_a_flags) 15122433fc5SMasahiro Yamada__cpp_flags = $(call flags,_cpp_flags) 15222433fc5SMasahiro Yamadaendif 15322433fc5SMasahiro Yamada 1546825a95bSMasahiro Yamada# Modified for U-Boot: LINUXINCLUDE -> UBOOTINCLUDE 1556825a95bSMasahiro Yamadac_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ 15622433fc5SMasahiro Yamada $(__c_flags) $(modkern_cflags) \ 15722433fc5SMasahiro Yamada -D"KBUILD_STR(s)=\#s" $(basename_flags) $(modname_flags) 15822433fc5SMasahiro Yamada 1596825a95bSMasahiro Yamadaa_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ 16022433fc5SMasahiro Yamada $(__a_flags) $(modkern_aflags) 16122433fc5SMasahiro Yamada 1626825a95bSMasahiro Yamadacpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ 16322433fc5SMasahiro Yamada $(__cpp_flags) 16422433fc5SMasahiro Yamada 16522433fc5SMasahiro Yamadald_flags = $(LDFLAGS) $(ldflags-y) 16622433fc5SMasahiro Yamada 1676d427c6bSSimon Glass# Try these files in order to find the U-Boot-specific .dtsi include file 168511fd0b2SSimon Glassu_boot_dtsi_options = $(strip $(wildcard $(dir $<)$(basename $(notdir $<))-u-boot.dtsi) \ 1690f7faf03STom Rini $(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_SOC))-u-boot.dtsi) \ 1700f7faf03STom Rini $(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi) \ 1710f7faf03STom Rini $(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi) \ 172511fd0b2SSimon Glass $(wildcard $(dir $<)u-boot.dtsi)) 173511fd0b2SSimon Glass 174511fd0b2SSimon Glassu_boot_dtsi_options_raw = $(warning Automatic .dtsi inclusion: options: \ 175511fd0b2SSimon Glass $(dir $<)$(basename $(notdir $<))-u-boot.dtsi \ 176511fd0b2SSimon Glass $(dir $<)$(subst $\",,$(CONFIG_SYS_SOC))-u-boot.dtsi \ 177511fd0b2SSimon Glass $(dir $<)$(subst $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi \ 178511fd0b2SSimon Glass $(dir $<)$(subst $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi \ 179511fd0b2SSimon Glass $(dir $<)u-boot.dtsi ... \ 180511fd0b2SSimon Glass found: $(if $(u_boot_dtsi_options),"$(u_boot_dtsi_options)",nothing!)) 1816d427c6bSSimon Glass 1826d427c6bSSimon Glass# Uncomment for debugging 183511fd0b2SSimon Glass# This shows all the files that were considered and the one that we chose. 184511fd0b2SSimon Glass# u_boot_dtsi_options_debug = $(u_boot_dtsi_options_raw) 1856d427c6bSSimon Glass 1866d427c6bSSimon Glass# We use the first match 187511fd0b2SSimon Glassu_boot_dtsi = $(strip $(u_boot_dtsi_options_debug) \ 188511fd0b2SSimon Glass $(notdir $(firstword $(u_boot_dtsi_options)))) 1896d427c6bSSimon Glass 1906ab6b2afSMasahiro Yamada# Modified for U-Boot 19122433fc5SMasahiro Yamadadtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \ 1926ab6b2afSMasahiro Yamada -I$(srctree)/arch/$(ARCH)/dts \ 1935957ac2aSSimon Glass -I$(srctree)/arch/$(ARCH)/dts/include \ 194b116aff2SSimon Glass -Iinclude \ 195b116aff2SSimon Glass -I$(srctree)/include \ 196b116aff2SSimon Glass -I$(srctree)/arch/$(ARCH)/include \ 197b116aff2SSimon Glass -include $(srctree)/include/linux/kconfig.h \ 198b116aff2SSimon Glass -D__ASSEMBLY__ \ 19922433fc5SMasahiro Yamada -undef -D__DTS__ 20022433fc5SMasahiro Yamada 20122433fc5SMasahiro Yamada# Finds the multi-part object the current object will be linked into 20222433fc5SMasahiro Yamadamodname-multi = $(sort $(foreach m,$(multi-used),\ 20322433fc5SMasahiro Yamada $(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=)))) 20422433fc5SMasahiro Yamada 205cb6e7b0dSMasahiro Yamada# Useful for describing the dependency of composite objects 206cb6e7b0dSMasahiro Yamada# Usage: 207cb6e7b0dSMasahiro Yamada# $(call multi_depend, multi_used_targets, suffix_to_remove, suffix_to_add) 208cb6e7b0dSMasahiro Yamadadefine multi_depend 209cb6e7b0dSMasahiro Yamada$(foreach m, $(notdir $1), \ 210cb6e7b0dSMasahiro Yamada $(eval $(obj)/$m: \ 211cb6e7b0dSMasahiro Yamada $(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s))))))) 212cb6e7b0dSMasahiro Yamadaendef 213cb6e7b0dSMasahiro Yamada 21422433fc5SMasahiro Yamadaifdef REGENERATE_PARSERS 21522433fc5SMasahiro Yamada 21622433fc5SMasahiro Yamada# GPERF 21722433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 21822433fc5SMasahiro Yamadaquiet_cmd_gperf = GPERF $@ 21922433fc5SMasahiro Yamada cmd_gperf = gperf -t --output-file $@ -a -C -E -g -k 1,3,$$ -p -t $< 22022433fc5SMasahiro Yamada 22122433fc5SMasahiro Yamada.PRECIOUS: $(src)/%.hash.c_shipped 22222433fc5SMasahiro Yamada$(src)/%.hash.c_shipped: $(src)/%.gperf 22322433fc5SMasahiro Yamada $(call cmd,gperf) 22422433fc5SMasahiro Yamada 22522433fc5SMasahiro Yamada# LEX 22622433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 22722433fc5SMasahiro YamadaLEX_PREFIX = $(if $(LEX_PREFIX_${baseprereq}),$(LEX_PREFIX_${baseprereq}),yy) 22822433fc5SMasahiro Yamada 22922433fc5SMasahiro Yamadaquiet_cmd_flex = LEX $@ 23022433fc5SMasahiro Yamada cmd_flex = flex -o$@ -L -P $(LEX_PREFIX) $< 23122433fc5SMasahiro Yamada 23222433fc5SMasahiro Yamada.PRECIOUS: $(src)/%.lex.c_shipped 23322433fc5SMasahiro Yamada$(src)/%.lex.c_shipped: $(src)/%.l 23422433fc5SMasahiro Yamada $(call cmd,flex) 23522433fc5SMasahiro Yamada 23622433fc5SMasahiro Yamada# YACC 23722433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 23822433fc5SMasahiro YamadaYACC_PREFIX = $(if $(YACC_PREFIX_${baseprereq}),$(YACC_PREFIX_${baseprereq}),yy) 23922433fc5SMasahiro Yamada 24022433fc5SMasahiro Yamadaquiet_cmd_bison = YACC $@ 24122433fc5SMasahiro Yamada cmd_bison = bison -o$@ -t -l -p $(YACC_PREFIX) $< 24222433fc5SMasahiro Yamada 24322433fc5SMasahiro Yamada.PRECIOUS: $(src)/%.tab.c_shipped 24422433fc5SMasahiro Yamada$(src)/%.tab.c_shipped: $(src)/%.y 24522433fc5SMasahiro Yamada $(call cmd,bison) 24622433fc5SMasahiro Yamada 24722433fc5SMasahiro Yamadaquiet_cmd_bison_h = YACC $@ 24822433fc5SMasahiro Yamada cmd_bison_h = bison -o/dev/null --defines=$@ -t -l -p $(YACC_PREFIX) $< 24922433fc5SMasahiro Yamada 25022433fc5SMasahiro Yamada.PRECIOUS: $(src)/%.tab.h_shipped 25122433fc5SMasahiro Yamada$(src)/%.tab.h_shipped: $(src)/%.y 25222433fc5SMasahiro Yamada $(call cmd,bison_h) 25322433fc5SMasahiro Yamada 25422433fc5SMasahiro Yamadaendif 25522433fc5SMasahiro Yamada 25622433fc5SMasahiro Yamada# Shipped files 25722433fc5SMasahiro Yamada# =========================================================================== 25822433fc5SMasahiro Yamada 25922433fc5SMasahiro Yamadaquiet_cmd_shipped = SHIPPED $@ 26022433fc5SMasahiro Yamadacmd_shipped = cat $< > $@ 26122433fc5SMasahiro Yamada 26222433fc5SMasahiro Yamada$(obj)/%: $(src)/%_shipped 26322433fc5SMasahiro Yamada $(call cmd,shipped) 26422433fc5SMasahiro Yamada 26522433fc5SMasahiro Yamada# Commands useful for building a boot image 26622433fc5SMasahiro Yamada# =========================================================================== 26722433fc5SMasahiro Yamada# 26822433fc5SMasahiro Yamada# Use as following: 26922433fc5SMasahiro Yamada# 27022433fc5SMasahiro Yamada# target: source(s) FORCE 27122433fc5SMasahiro Yamada# $(if_changed,ld/objcopy/gzip) 27222433fc5SMasahiro Yamada# 27322433fc5SMasahiro Yamada# and add target to extra-y so that we know we have to 27422433fc5SMasahiro Yamada# read in the saved command line 27522433fc5SMasahiro Yamada 27622433fc5SMasahiro Yamada# Linking 27722433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 27822433fc5SMasahiro Yamada 27922433fc5SMasahiro Yamadaquiet_cmd_ld = LD $@ 28022433fc5SMasahiro Yamadacmd_ld = $(LD) $(LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F)) \ 28122433fc5SMasahiro Yamada $(filter-out FORCE,$^) -o $@ 28222433fc5SMasahiro Yamada 28322433fc5SMasahiro Yamada# Objcopy 28422433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 28522433fc5SMasahiro Yamada 28622433fc5SMasahiro Yamadaquiet_cmd_objcopy = OBJCOPY $@ 28722433fc5SMasahiro Yamadacmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 28822433fc5SMasahiro Yamada 28922433fc5SMasahiro Yamada# Gzip 29022433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 29122433fc5SMasahiro Yamada 29222433fc5SMasahiro Yamadaquiet_cmd_gzip = GZIP $@ 29322433fc5SMasahiro Yamadacmd_gzip = (cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@) || \ 29422433fc5SMasahiro Yamada (rm -f $@ ; false) 29522433fc5SMasahiro Yamada 29622433fc5SMasahiro Yamada# DTC 29722433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 29822433fc5SMasahiro Yamada 29922433fc5SMasahiro Yamada# Generate an assembly file to wrap the output of the device tree compiler 30022433fc5SMasahiro Yamadaquiet_cmd_dt_S_dtb= DTB $@ 3016ab6b2afSMasahiro Yamada# Modified for U-Boot 30222433fc5SMasahiro Yamadacmd_dt_S_dtb= \ 30322433fc5SMasahiro Yamada( \ 30422433fc5SMasahiro Yamada echo '.section .dtb.init.rodata,"a"'; \ 3055c30bf43SSimon Glass echo '.balign 16'; \ 306716f9085SMaxime Ripard echo '.global __dtb_$(subst -,_,$(*F))_begin'; \ 307716f9085SMaxime Ripard echo '__dtb_$(subst -,_,$(*F))_begin:'; \ 30822433fc5SMasahiro Yamada echo '.incbin "$<" '; \ 309716f9085SMaxime Ripard echo '__dtb_$(subst -,_,$(*F))_end:'; \ 310716f9085SMaxime Ripard echo '.global __dtb_$(subst -,_,$(*F))_end'; \ 3115c30bf43SSimon Glass echo '.balign 16'; \ 31222433fc5SMasahiro Yamada) > $@ 31322433fc5SMasahiro Yamada 31422433fc5SMasahiro Yamada$(obj)/%.dtb.S: $(obj)/%.dtb 31522433fc5SMasahiro Yamada $(call cmd,dt_S_dtb) 31622433fc5SMasahiro Yamada 31722433fc5SMasahiro Yamadaquiet_cmd_dtc = DTC $@ 3186ab6b2afSMasahiro Yamada# Modified for U-Boot 3197452946eSTom Rini# Bring in any U-Boot-specific include at the end of the file 32098bd0e0dSMasahiro Yamadacmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \ 321ecc9709fSMasahiro Yamada (cat $<; $(if $(u_boot_dtsi),echo '\#include "$(u_boot_dtsi)"')) > $(pre-tmp); \ 322ecc9709fSMasahiro Yamada $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $(pre-tmp) ; \ 323c4aaf2e0SPavel Machek $(DTC) -O dtb -o $@ -b 0 \ 32422433fc5SMasahiro Yamada -i $(dir $<) $(DTC_FLAGS) \ 32522433fc5SMasahiro Yamada -d $(depfile).dtc.tmp $(dtc-tmp) ; \ 32622433fc5SMasahiro Yamada cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) 32722433fc5SMasahiro Yamada 32822433fc5SMasahiro Yamada$(obj)/%.dtb: $(src)/%.dts FORCE 32922433fc5SMasahiro Yamada $(call if_changed_dep,dtc) 33022433fc5SMasahiro Yamada 331ecc9709fSMasahiro Yamadapre-tmp = $(subst $(comma),_,$(dot-target).pre.tmp) 33222433fc5SMasahiro Yamadadtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp) 33322433fc5SMasahiro Yamada 334da0b3a94SPantelis Antoniou# DTCO 335da0b3a94SPantelis Antoniou# --------------------------------------------------------------------------- 336da0b3a94SPantelis Antoniou 337da0b3a94SPantelis Antoniouquiet_cmd_dtco = DTCO $@ 338da0b3a94SPantelis Antoniou# Rule for objects only; does not put specific u-boot include at the end 339da0b3a94SPantelis Antoniou# No generation of assembly file either 340da0b3a94SPantelis Antoniou# Modified for U-Boot 341da0b3a94SPantelis Antonioucmd_dtco = mkdir -p $(dir ${dtc-tmp}) ; \ 342da0b3a94SPantelis Antoniou $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) - ; \ 343da0b3a94SPantelis Antoniou $(DTC) -@ -O dtb -o $@ -b 0 \ 344da0b3a94SPantelis Antoniou -i $(dir $<) $(DTC_FLAGS) \ 345da0b3a94SPantelis Antoniou -d $(depfile).dtc.tmp $(dtc-tmp) ; \ 346da0b3a94SPantelis Antoniou cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) 347da0b3a94SPantelis Antoniou 348da0b3a94SPantelis Antoniou$(obj)/%.dtbo: $(src)/%.dts FORCE 349da0b3a94SPantelis Antoniou $(call if_changed_dep,dtco) 350da0b3a94SPantelis Antoniou 35130a1dcadSSimon Glass# Fonts 35230a1dcadSSimon Glass# --------------------------------------------------------------------------- 35330a1dcadSSimon Glass 35430a1dcadSSimon Glass# Generate an assembly file to wrap the font data 35530a1dcadSSimon Glassquiet_cmd_S_ttf= TTF $@ 35630a1dcadSSimon Glass# Modified for U-Boot 35730a1dcadSSimon Glasscmd_S_ttf= \ 35830a1dcadSSimon Glass( \ 35930a1dcadSSimon Glass echo '.section .rodata.ttf.init,"a"'; \ 36030a1dcadSSimon Glass echo '.balign 16'; \ 36130a1dcadSSimon Glass echo '.global __ttf_$(*F)_begin'; \ 36230a1dcadSSimon Glass echo '__ttf_$(*F)_begin:'; \ 36330a1dcadSSimon Glass echo '.incbin "$<" '; \ 36430a1dcadSSimon Glass echo '__ttf_$(*F)_end:'; \ 36530a1dcadSSimon Glass echo '.global __ttf_$(*F)_end'; \ 36630a1dcadSSimon Glass echo '.balign 16'; \ 36730a1dcadSSimon Glass) > $@ 36830a1dcadSSimon Glass 36930a1dcadSSimon Glass$(obj)/%.S: $(src)/%.ttf 37030a1dcadSSimon Glass $(call cmd,S_ttf) 37130a1dcadSSimon Glass 372b0763108SHeinrich Schuchardt# EFI applications 373b0763108SHeinrich Schuchardt# A Makefile target *.efi is built as EFI application. 374b0763108SHeinrich Schuchardt# A Makefile target *_efi.S wraps *.efi as built-in EFI application. 375c7ae3dfdSSimon Glass# --------------------------------------------------------------------------- 376c7ae3dfdSSimon Glass 377c7ae3dfdSSimon Glass# Generate an assembly file to wrap the EFI app 378c7ae3dfdSSimon Glasscmd_S_efi= \ 379c7ae3dfdSSimon Glass( \ 380b0763108SHeinrich Schuchardt echo '.section .rodata.$*.init,"a"'; \ 381c7ae3dfdSSimon Glass echo '.balign 16'; \ 382b0763108SHeinrich Schuchardt echo '.global __efi_$*_begin'; \ 383b0763108SHeinrich Schuchardt echo '__efi_$*_begin:'; \ 384c7ae3dfdSSimon Glass echo '.incbin "$<" '; \ 385b0763108SHeinrich Schuchardt echo '__efi_$*_end:'; \ 386b0763108SHeinrich Schuchardt echo '.global __efi_$*_end'; \ 387c7ae3dfdSSimon Glass echo '.balign 16'; \ 388c7ae3dfdSSimon Glass) > $@ 389c7ae3dfdSSimon Glass 390c7ae3dfdSSimon Glass$(obj)/%_efi.S: $(obj)/%.efi 391c7ae3dfdSSimon Glass $(call cmd,S_efi) 392c7ae3dfdSSimon Glass 393f19f1315SAndrew F. Davisquiet_cmd_efi_objcopy = OBJCOPY $@ 394f19f1315SAndrew F. Daviscmd_efi_objcopy = $(OBJCOPY) -j .header -j .text -j .sdata -j .data -j \ 395f19f1315SAndrew F. Davis .dynamic -j .dynsym -j .rel* -j .rela* -j .reloc \ 396c7ae3dfdSSimon Glass $(if $(EFI_TARGET),$(EFI_TARGET),-O binary) $^ $@ 397c7ae3dfdSSimon Glass 398b0763108SHeinrich Schuchardt$(obj)/%.efi: $(obj)/%_efi.so 399f19f1315SAndrew F. Davis $(call cmd,efi_objcopy) 400f19f1315SAndrew F. Davis 401f19f1315SAndrew F. Davisquiet_cmd_efi_ld = LD $@ 402f19f1315SAndrew F. Daviscmd_efi_ld = $(LD) -nostdlib -znocombreloc -T $(EFI_LDS_PATH) -shared \ 403f19f1315SAndrew F. Davis -Bsymbolic $^ -o $@ 404f19f1315SAndrew F. Davis 405c7ae3dfdSSimon GlassEFI_LDS_PATH = $(srctree)/arch/$(ARCH)/lib/$(EFI_LDS) 406c7ae3dfdSSimon Glass 407b0763108SHeinrich Schuchardt$(obj)/%_efi.so: $(obj)/%.o arch/$(ARCH)/lib/$(EFI_CRT0) \ 408c7ae3dfdSSimon Glass arch/$(ARCH)/lib/$(EFI_RELOC) 409f19f1315SAndrew F. Davis $(call cmd,efi_ld) 410c7ae3dfdSSimon Glass 411867bcb63SSaket Sinha# ACPI 412867bcb63SSaket Sinha# --------------------------------------------------------------------------- 41368af8d88SBin Mengquiet_cmd_acpi_c_asl= ASL $< 414867bcb63SSaket Sinhacmd_acpi_c_asl= \ 4156683584cSBin Meng $(CPP) -x assembler-with-cpp -D__ASSEMBLY__ -P $(UBOOTINCLUDE) -o $<.tmp $<; \ 41606054b1aSAndy Shevchenko iasl -p $< -tc $<.tmp $(if $(KBUILD_VERBOSE:1=), >/dev/null) && \ 417867bcb63SSaket Sinha mv $(patsubst %.asl,%.hex,$<) $@ 418867bcb63SSaket Sinha 4193a2a3d0bSBin Meng$(obj)/dsdt.c: $(src)/dsdt.asl 420867bcb63SSaket Sinha $(call cmd,acpi_c_asl) 421867bcb63SSaket Sinha 42222433fc5SMasahiro Yamada# Bzip2 42322433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 42422433fc5SMasahiro Yamada 42522433fc5SMasahiro Yamada# Bzip2 and LZMA do not include size in file... so we have to fake that; 42622433fc5SMasahiro Yamada# append the size as a 32-bit littleendian number as gzip does. 42722433fc5SMasahiro Yamadasize_append = printf $(shell \ 42822433fc5SMasahiro Yamadadec_size=0; \ 42922433fc5SMasahiro Yamadafor F in $1; do \ 43022433fc5SMasahiro Yamada fsize=$$(stat -c "%s" $$F); \ 43122433fc5SMasahiro Yamada dec_size=$$(expr $$dec_size + $$fsize); \ 43222433fc5SMasahiro Yamadadone; \ 43322433fc5SMasahiro Yamadaprintf "%08x\n" $$dec_size | \ 43422433fc5SMasahiro Yamada sed 's/\(..\)/\1 /g' | { \ 43522433fc5SMasahiro Yamada read ch0 ch1 ch2 ch3; \ 43622433fc5SMasahiro Yamada for ch in $$ch3 $$ch2 $$ch1 $$ch0; do \ 43722433fc5SMasahiro Yamada printf '%s%03o' '\\' $$((0x$$ch)); \ 43822433fc5SMasahiro Yamada done; \ 43922433fc5SMasahiro Yamada } \ 44022433fc5SMasahiro Yamada) 44122433fc5SMasahiro Yamada 44222433fc5SMasahiro Yamadaquiet_cmd_bzip2 = BZIP2 $@ 44322433fc5SMasahiro Yamadacmd_bzip2 = (cat $(filter-out FORCE,$^) | \ 44422433fc5SMasahiro Yamada bzip2 -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ 44522433fc5SMasahiro Yamada (rm -f $@ ; false) 44622433fc5SMasahiro Yamada 44722433fc5SMasahiro Yamada# Lzma 44822433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 44922433fc5SMasahiro Yamada 45022433fc5SMasahiro Yamadaquiet_cmd_lzma = LZMA $@ 45122433fc5SMasahiro Yamadacmd_lzma = (cat $(filter-out FORCE,$^) | \ 45222433fc5SMasahiro Yamada lzma -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ 45322433fc5SMasahiro Yamada (rm -f $@ ; false) 45422433fc5SMasahiro Yamada 45522433fc5SMasahiro Yamadaquiet_cmd_lzo = LZO $@ 45622433fc5SMasahiro Yamadacmd_lzo = (cat $(filter-out FORCE,$^) | \ 45722433fc5SMasahiro Yamada lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ 45822433fc5SMasahiro Yamada (rm -f $@ ; false) 45922433fc5SMasahiro Yamada 46022433fc5SMasahiro Yamadaquiet_cmd_lz4 = LZ4 $@ 46122433fc5SMasahiro Yamadacmd_lz4 = (cat $(filter-out FORCE,$^) | \ 46222433fc5SMasahiro Yamada lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ 46322433fc5SMasahiro Yamada (rm -f $@ ; false) 46422433fc5SMasahiro Yamada 46522433fc5SMasahiro Yamada# U-Boot mkimage 46622433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 46722433fc5SMasahiro Yamada 46822433fc5SMasahiro YamadaMKIMAGE := $(srctree)/scripts/mkuboot.sh 46922433fc5SMasahiro Yamada 47022433fc5SMasahiro Yamada# SRCARCH just happens to match slightly more than ARCH (on sparc), so reduces 47122433fc5SMasahiro Yamada# the number of overrides in arch makefiles 47222433fc5SMasahiro YamadaUIMAGE_ARCH ?= $(SRCARCH) 47322433fc5SMasahiro YamadaUIMAGE_COMPRESSION ?= $(if $(2),$(2),none) 47422433fc5SMasahiro YamadaUIMAGE_OPTS-y ?= 47522433fc5SMasahiro YamadaUIMAGE_TYPE ?= kernel 47622433fc5SMasahiro YamadaUIMAGE_LOADADDR ?= arch_must_set_this 47722433fc5SMasahiro YamadaUIMAGE_ENTRYADDR ?= $(UIMAGE_LOADADDR) 47822433fc5SMasahiro YamadaUIMAGE_NAME ?= 'Linux-$(KERNELRELEASE)' 47922433fc5SMasahiro YamadaUIMAGE_IN ?= $< 48022433fc5SMasahiro YamadaUIMAGE_OUT ?= $@ 48122433fc5SMasahiro Yamada 48222433fc5SMasahiro Yamadaquiet_cmd_uimage = UIMAGE $(UIMAGE_OUT) 48322433fc5SMasahiro Yamada cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A $(UIMAGE_ARCH) -O linux \ 48422433fc5SMasahiro Yamada -C $(UIMAGE_COMPRESSION) $(UIMAGE_OPTS-y) \ 48522433fc5SMasahiro Yamada -T $(UIMAGE_TYPE) \ 48622433fc5SMasahiro Yamada -a $(UIMAGE_LOADADDR) -e $(UIMAGE_ENTRYADDR) \ 48722433fc5SMasahiro Yamada -n $(UIMAGE_NAME) -d $(UIMAGE_IN) $(UIMAGE_OUT) 48822433fc5SMasahiro Yamada 48922433fc5SMasahiro Yamada# XZ 49022433fc5SMasahiro Yamada# --------------------------------------------------------------------------- 49122433fc5SMasahiro Yamada# Use xzkern to compress the kernel image and xzmisc to compress other things. 49222433fc5SMasahiro Yamada# 49322433fc5SMasahiro Yamada# xzkern uses a big LZMA2 dictionary since it doesn't increase memory usage 49422433fc5SMasahiro Yamada# of the kernel decompressor. A BCJ filter is used if it is available for 49522433fc5SMasahiro Yamada# the target architecture. xzkern also appends uncompressed size of the data 49622433fc5SMasahiro Yamada# using size_append. The .xz format has the size information available at 49722433fc5SMasahiro Yamada# the end of the file too, but it's in more complex format and it's good to 49822433fc5SMasahiro Yamada# avoid changing the part of the boot code that reads the uncompressed size. 49922433fc5SMasahiro Yamada# Note that the bytes added by size_append will make the xz tool think that 50022433fc5SMasahiro Yamada# the file is corrupt. This is expected. 50122433fc5SMasahiro Yamada# 50222433fc5SMasahiro Yamada# xzmisc doesn't use size_append, so it can be used to create normal .xz 50322433fc5SMasahiro Yamada# files. xzmisc uses smaller LZMA2 dictionary than xzkern, because a very 50422433fc5SMasahiro Yamada# big dictionary would increase the memory usage too much in the multi-call 50522433fc5SMasahiro Yamada# decompression mode. A BCJ filter isn't used either. 50622433fc5SMasahiro Yamadaquiet_cmd_xzkern = XZKERN $@ 50722433fc5SMasahiro Yamadacmd_xzkern = (cat $(filter-out FORCE,$^) | \ 50822433fc5SMasahiro Yamada sh $(srctree)/scripts/xz_wrap.sh && \ 50922433fc5SMasahiro Yamada $(call size_append, $(filter-out FORCE,$^))) > $@ || \ 51022433fc5SMasahiro Yamada (rm -f $@ ; false) 51122433fc5SMasahiro Yamada 51222433fc5SMasahiro Yamadaquiet_cmd_xzmisc = XZMISC $@ 51322433fc5SMasahiro Yamadacmd_xzmisc = (cat $(filter-out FORCE,$^) | \ 51422433fc5SMasahiro Yamada xz --check=crc32 --lzma2=dict=1MiB) > $@ || \ 51522433fc5SMasahiro Yamada (rm -f $@ ; false) 516ba8dd775SMasahiro Yamada 517ba8dd775SMasahiro Yamada# Additional commands for U-Boot 518ba8dd775SMasahiro Yamada# 519ba8dd775SMasahiro Yamada# mkimage 520ba8dd775SMasahiro Yamada# --------------------------------------------------------------------------- 5211f6a6648SSven EbenfeldMKIMAGEOUTPUT ?= /dev/null 522ba8dd775SMasahiro Yamadaquiet_cmd_mkimage = MKIMAGE $@ 523ba8dd775SMasahiro Yamadacmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 5241f6a6648SSven Ebenfeld $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT)) 525*d693742bSSimon Goldschmidt 526*d693742bSSimon Goldschmidt# fdtgrep 527*d693742bSSimon Goldschmidt# --------------------------------------------------------------------------- 528*d693742bSSimon Goldschmidt# Pass the original device tree file through fdtgrep twice. The first pass 529*d693742bSSimon Goldschmidt# removes any unwanted nodes (i.e. those which don't have the 530*d693742bSSimon Goldschmidt# 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second 531*d693742bSSimon Goldschmidt# pass removes various unused properties from the remaining nodes. 532*d693742bSSimon Goldschmidt# The output is typically a much smaller device tree file. 533*d693742bSSimon Goldschmidtifeq ($(CONFIG_TPL_BUILD),y) 534*d693742bSSimon Goldschmidtfdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl 535*d693742bSSimon Goldschmidtelse 536*d693742bSSimon Goldschmidtfdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-spl 537*d693742bSSimon Goldschmidtendif 538*d693742bSSimon Goldschmidtquiet_cmd_fdtgrep = FDTGREP $@ 539*d693742bSSimon Goldschmidt cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -RT $< \ 540*d693742bSSimon Goldschmidt -n /chosen -n /config -O dtb | \ 541*d693742bSSimon Goldschmidt $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \ 542*d693742bSSimon Goldschmidt $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS))) 543