diff options
Diffstat (limited to '')
| -rw-r--r-- | scripts/Makefile | 4 | ||||
| -rw-r--r-- | scripts/Makefile.asm-generic | 41 | ||||
| -rw-r--r-- | scripts/Makefile.build | 128 | ||||
| -rw-r--r-- | scripts/Makefile.gcc-plugins | 14 | ||||
| -rw-r--r-- | scripts/Makefile.headersinst | 8 | ||||
| -rw-r--r-- | scripts/Makefile.kasan | 53 | ||||
| -rw-r--r-- | scripts/Makefile.lib | 56 |
7 files changed, 144 insertions, 160 deletions
diff --git a/scripts/Makefile b/scripts/Makefile index ece52ff20171..feb1f71381d7 100644 --- a/scripts/Makefile +++ b/scripts/Makefile @@ -36,10 +36,10 @@ PHONY += build_unifdef build_unifdef: $(obj)/unifdef @: +subdir-$(CONFIG_GCC_PLUGINS) += gcc-plugins subdir-$(CONFIG_MODVERSIONS) += genksyms -subdir-y += mod subdir-$(CONFIG_SECURITY_SELINUX) += selinux subdir-$(CONFIG_GDB_SCRIPTS) += gdb # Let clean descend into subdirs -subdir- += basic dtc kconfig package gcc-plugins +subdir- += basic dtc kconfig mod package diff --git a/scripts/Makefile.asm-generic b/scripts/Makefile.asm-generic index 32ad8e93fbe1..a62d2823f6cf 100644 --- a/scripts/Makefile.asm-generic +++ b/scripts/Makefile.asm-generic @@ -2,41 +2,46 @@ # include/asm-generic contains a lot of files that are used # verbatim by several architectures. # -# This Makefile reads the file arch/$(SRCARCH)/include/$(src)/Kbuild +# This Makefile reads the file arch/$(SRCARCH)/include/(uapi/)/asm/Kbuild # and for each file listed in this file with generic-y creates -# a small wrapper file in $(obj) (arch/$(SRCARCH)/include/generated/$(src)) +# a small wrapper file in arch/$(SRCARCH)/include/generated/(uapi/)/asm. PHONY := all all: -kbuild-file := $(srctree)/arch/$(SRCARCH)/include/$(src)/Kbuild --include $(kbuild-file) +src := $(subst /generated,,$(obj)) +-include $(src)/Kbuild include scripts/Kbuild.include -# Create output directory if not already present -_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj)) +# If arch does not implement mandatory headers, fallback to asm-generic ones. +mandatory-y := $(filter-out $(generated-y), $(mandatory-y)) +generic-y += $(foreach f, $(mandatory-y), $(if $(wildcard $(srctree)/$(src)/$(f)),,$(f))) -# Stale wrappers when the corresponding files are removed from generic-y -# need removing. -generated-y := $(generic-y) $(generated-y) -all-files := $(patsubst %, $(obj)/%, $(generated-y)) -old-headers := $(wildcard $(obj)/*.h) -unwanted := $(filter-out $(all-files),$(old-headers)) +generic-y := $(addprefix $(obj)/, $(generic-y)) +generated-y := $(addprefix $(obj)/, $(generated-y)) + +# Remove stale wrappers when the corresponding files are removed from generic-y +old-headers := $(wildcard $(obj)/*.h) +unwanted := $(filter-out $(generic-y) $(generated-y),$(old-headers)) quiet_cmd_wrap = WRAP $@ -cmd_wrap = echo "\#include <asm-generic/$*.h>" >$@ + cmd_wrap = echo "\#include <asm-generic/$*.h>" > $@ quiet_cmd_remove = REMOVE $(unwanted) -cmd_remove = rm -f $(unwanted) + cmd_remove = rm -f $(unwanted) -all: $(patsubst %, $(obj)/%, $(generic-y)) FORCE - $(if $(unwanted),$(call cmd,remove),) +all: $(generic-y) + $(if $(unwanted),$(call cmd,remove)) @: $(obj)/%.h: $(call cmd,wrap) -PHONY += FORCE +# Create output directory. Skip it if at least one old header exists +# since we know the output directory already exists. +ifeq ($(old-headers),) +$(shell mkdir -p $(obj)) +endif + .PHONY: $(PHONY) -FORCE: ; diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 6a6be9f440cf..fd03d60f6c5a 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -75,14 +75,14 @@ __build: $(if $(KBUILD_BUILTIN),$(builtin-target) $(lib-target) $(extra-y)) \ # Linus' kernel sanity checking tool ifeq ($(KBUILD_CHECKSRC),1) quiet_cmd_checksrc = CHECK $< - cmd_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< ; + cmd_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< else ifeq ($(KBUILD_CHECKSRC),2) quiet_cmd_force_checksrc = CHECK $< - cmd_force_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< ; + cmd_force_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< endif ifneq ($(KBUILD_ENABLE_EXTRA_GCC_CHECKS),) - cmd_checkdoc = $(srctree)/scripts/kernel-doc -none $< ; + cmd_checkdoc = $(srctree)/scripts/kernel-doc -none $< endif # Do section mismatch analysis for each module/built-in.a @@ -94,23 +94,14 @@ endif # --------------------------------------------------------------------------- # Default is built-in, unless we know otherwise +$(foreach x, i ll lst o s symtypes, $(patsubst %.o,%.$(x),$(real-obj-m))): \ + part-of-module := y + modkern_cflags = \ $(if $(part-of-module), \ $(KBUILD_CFLAGS_MODULE) $(CFLAGS_MODULE), \ $(KBUILD_CFLAGS_KERNEL) $(CFLAGS_KERNEL)) -quiet_modtag := $(empty) $(empty) - -$(real-obj-m) : part-of-module := y -$(real-obj-m:.o=.i) : part-of-module := y -$(real-obj-m:.o=.s) : part-of-module := y -$(real-obj-m:.o=.lst): part-of-module := y - -$(real-obj-m) : quiet_modtag := [M] -$(real-obj-m:.o=.i) : quiet_modtag := [M] -$(real-obj-m:.o=.s) : quiet_modtag := [M] -$(real-obj-m:.o=.lst): quiet_modtag := [M] - -$(obj-m) : quiet_modtag := [M] +quiet_modtag = $(if $(part-of-module),[M], ) quiet_cmd_cc_s_c = CC $(quiet_modtag) $@ cmd_cc_s_c = $(CC) $(c_flags) $(DISABLE_LTO) -fverbose-asm -S -o $@ $< @@ -134,7 +125,6 @@ cmd_gensymtypes_c = \ quiet_cmd_cc_symtypes_c = SYM $(quiet_modtag) $@ cmd_cc_symtypes_c = \ - set -e; \ $(call cmd_gensymtypes_c,true,$@) >/dev/null; \ test -s $@ || rm -f $@ @@ -154,36 +144,31 @@ $(obj)/%.ll: $(src)/%.c FORCE # (See cmd_cc_o_c + relevant part of rule_cc_o_c) quiet_cmd_cc_o_c = CC $(quiet_modtag) $@ + cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< -ifndef CONFIG_MODVERSIONS -cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< - -else +ifdef CONFIG_MODVERSIONS # When module versioning is enabled the following steps are executed: -# o compile a .tmp_<file>.o from <file>.c -# o if .tmp_<file>.o doesn't contain a __ksymtab version, i.e. does -# not export symbols, we just rename .tmp_<file>.o to <file>.o and -# are done. +# o compile a <file>.o from <file>.c +# o if <file>.o doesn't contain a __ksymtab version, i.e. does +# not export symbols, it's done. # o otherwise, we calculate symbol versions using the good old # genksyms on the preprocessed source and postprocess them in a way # that they are usable as a linker script -# o generate <file>.o from .tmp_<file>.o using the linker to +# o generate .tmp_<file>.o from <file>.o using the linker to # replace the unresolved symbols __crc_exported_symbol with # the actual value of the checksum generated by genksyms - -cmd_cc_o_c = $(CC) $(c_flags) -c -o $(@D)/.tmp_$(@F) $< +# o remove .tmp_<file>.o to <file>.o cmd_modversions_c = \ - if $(OBJDUMP) -h $(@D)/.tmp_$(@F) | grep -q __ksymtab; then \ + if $(OBJDUMP) -h $@ | grep -q __ksymtab; then \ $(call cmd_gensymtypes_c,$(KBUILD_SYMTYPES),$(@:.o=.symtypes)) \ > $(@D)/.tmp_$(@F:.o=.ver); \ \ - $(LD) $(KBUILD_LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) \ + $(LD) $(KBUILD_LDFLAGS) -r -o $(@D)/.tmp_$(@F) $@ \ -T $(@D)/.tmp_$(@F:.o=.ver); \ - rm -f $(@D)/.tmp_$(@F) $(@D)/.tmp_$(@F:.o=.ver); \ - else \ mv -f $(@D)/.tmp_$(@F) $@; \ - fi; + rm -f $(@D)/.tmp_$(@F:.o=.ver); \ + fi endif ifdef CONFIG_FTRACE_MCOUNT_RECORD @@ -204,7 +189,7 @@ sub_cmd_record_mcount = \ recordmcount_source := $(srctree)/scripts/recordmcount.c \ $(srctree)/scripts/recordmcount.h else -sub_cmd_record_mcount = set -e ; perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \ +sub_cmd_record_mcount = perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \ "$(if $(CONFIG_CPU_BIG_ENDIAN),big,little)" \ "$(if $(CONFIG_64BIT),64,32)" \ "$(OBJDUMP)" "$(OBJCOPY)" "$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS)" \ @@ -216,7 +201,7 @@ cmd_record_mcount = \ if [ "$(findstring $(CC_FLAGS_FTRACE),$(_c_flags))" = \ "$(CC_FLAGS_FTRACE)" ]; then \ $(sub_cmd_record_mcount) \ - fi; + fi endif # CC_USING_RECORD_MCOUNT endif # CONFIG_FTRACE_MCOUNT_RECORD @@ -239,19 +224,12 @@ ifdef CONFIG_RETPOLINE objtool_args += --retpoline endif - -ifdef CONFIG_MODVERSIONS -objtool_o = $(@D)/.tmp_$(@F) -else -objtool_o = $(@) -endif - # 'OBJECT_FILES_NON_STANDARD := y': skip objtool checking for a directory # 'OBJECT_FILES_NON_STANDARD_foo.o := 'y': skip objtool checking for a file # 'OBJECT_FILES_NON_STANDARD_foo.o := 'n': override directory skip for a file cmd_objtool = $(if $(patsubst y%,, \ $(OBJECT_FILES_NON_STANDARD_$(basetarget).o)$(OBJECT_FILES_NON_STANDARD)n), \ - $(__objtool_obj) $(objtool_args) "$(objtool_o)";) + $(__objtool_obj) $(objtool_args) $@) objtool_obj = $(if $(patsubst y%,, \ $(OBJECT_FILES_NON_STANDARD_$(basetarget).o)$(OBJECT_FILES_NON_STANDARD)n), \ $(__objtool_obj)) @@ -264,19 +242,26 @@ objtool_dep = $(objtool_obj) \ $(wildcard include/config/orc/unwinder.h \ include/config/stack/validation.h) +ifdef CONFIG_TRIM_UNUSED_KSYMS +cmd_gen_ksymdeps = \ + $(CONFIG_SHELL) $(srctree)/scripts/gen_ksymdeps.sh $@ >> $(dot-target).cmd +endif + define rule_cc_o_c - $(call echo-cmd,checksrc) $(cmd_checksrc) \ - $(call cmd_and_fixdep,cc_o_c) \ - $(cmd_checkdoc) \ - $(call echo-cmd,objtool) $(cmd_objtool) \ - $(cmd_modversions_c) \ - $(call echo-cmd,record_mcount) $(cmd_record_mcount) + $(call cmd,checksrc) + $(call cmd_and_fixdep,cc_o_c) + $(call cmd,gen_ksymdeps) + $(call cmd,checkdoc) + $(call cmd,objtool) + $(call cmd,modversions_c) + $(call cmd,record_mcount) endef define rule_as_o_S - $(call cmd_and_fixdep,as_o_S) \ - $(call echo-cmd,objtool) $(cmd_objtool) \ - $(cmd_modversions_S) + $(call cmd_and_fixdep,as_o_S) + $(call cmd,gen_ksymdeps) + $(call cmd,objtool) + $(call cmd,modversions_S) endef # List module undefined symbols (or empty line if not enabled) @@ -340,7 +325,6 @@ cmd_gensymtypes_S = \ quiet_cmd_cc_symtypes_S = SYM $(quiet_modtag) $@ cmd_cc_symtypes_S = \ - set -e; \ $(call cmd_gensymtypes_S,true,$@) >/dev/null; \ test -s $@ || rm -f $@ @@ -355,35 +339,27 @@ $(obj)/%.s: $(src)/%.S FORCE $(call if_changed_dep,cpp_s_S) quiet_cmd_as_o_S = AS $(quiet_modtag) $@ + cmd_as_o_S = $(CC) $(a_flags) -c -o $@ $< -ifndef CONFIG_MODVERSIONS -cmd_as_o_S = $(CC) $(a_flags) -c -o $@ $< - -else +ifdef CONFIG_MODVERSIONS ASM_PROTOTYPES := $(wildcard $(srctree)/arch/$(SRCARCH)/include/asm/asm-prototypes.h) -ifeq ($(ASM_PROTOTYPES),) -cmd_as_o_S = $(CC) $(a_flags) -c -o $@ $< - -else +ifneq ($(ASM_PROTOTYPES),) # versioning matches the C process described above, with difference that # we parse asm-prototypes.h C header to get function definitions. -cmd_as_o_S = $(CC) $(a_flags) -c -o $(@D)/.tmp_$(@F) $< - cmd_modversions_S = \ - if $(OBJDUMP) -h $(@D)/.tmp_$(@F) | grep -q __ksymtab; then \ + if $(OBJDUMP) -h $@ | grep -q __ksymtab; then \ $(call cmd_gensymtypes_S,$(KBUILD_SYMTYPES),$(@:.o=.symtypes)) \ > $(@D)/.tmp_$(@F:.o=.ver); \ \ - $(LD) $(KBUILD_LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) \ + $(LD) $(KBUILD_LDFLAGS) -r -o $(@D)/.tmp_$(@F) $@ \ -T $(@D)/.tmp_$(@F:.o=.ver); \ - rm -f $(@D)/.tmp_$(@F) $(@D)/.tmp_$(@F:.o=.ver); \ - else \ mv -f $(@D)/.tmp_$(@F) $@; \ - fi; + rm -f $(@D)/.tmp_$(@F:.o=.ver); \ + fi endif endif @@ -527,25 +503,19 @@ FORCE: # optimization, we don't need to read them if the target does not # exist, we will rebuild anyway in that case. -cmd_files := $(wildcard $(foreach f,$(sort $(targets)),$(dir $(f)).$(notdir $(f)).cmd)) +existing-targets := $(wildcard $(sort $(targets))) -ifneq ($(cmd_files),) - include $(cmd_files) -endif +-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd) ifneq ($(KBUILD_SRC),) # Create directories for object files if they do not exist obj-dirs := $(sort $(obj) $(patsubst %/,%, $(dir $(targets)))) -# If cmd_files exist, their directories apparently exist. Skip mkdir. -exist-dirs := $(sort $(patsubst %/,%, $(dir $(cmd_files)))) -obj-dirs := $(strip $(filter-out $(exist-dirs), $(obj-dirs))) +# If targets exist, their directories apparently exist. Skip mkdir. +existing-dirs := $(sort $(patsubst %/,%, $(dir $(existing-targets)))) +obj-dirs := $(strip $(filter-out $(existing-dirs), $(obj-dirs))) ifneq ($(obj-dirs),) $(shell mkdir -p $(obj-dirs)) endif endif -# Some files contained in $(targets) are intermediate artifacts. -# We never want them to be removed automatically. -.SECONDARY: $(targets) - .PHONY: $(PHONY) diff --git a/scripts/Makefile.gcc-plugins b/scripts/Makefile.gcc-plugins index 46c5c6809806..35042d96cf5d 100644 --- a/scripts/Makefile.gcc-plugins +++ b/scripts/Makefile.gcc-plugins @@ -36,6 +36,12 @@ ifdef CONFIG_GCC_PLUGIN_STACKLEAK endif export DISABLE_STACKLEAK_PLUGIN +gcc-plugin-$(CONFIG_GCC_PLUGIN_ARM_SSP_PER_TASK) += arm_ssp_per_task_plugin.so +ifdef CONFIG_GCC_PLUGIN_ARM_SSP_PER_TASK + DISABLE_ARM_SSP_PER_TASK_PLUGIN += -fplugin-arg-arm_ssp_per_task_plugin-disable +endif +export DISABLE_ARM_SSP_PER_TASK_PLUGIN + # All the plugin CFLAGS are collected here in case a build target needs to # filter them out of the KBUILD_CFLAGS. GCC_PLUGINS_CFLAGS := $(strip $(addprefix -fplugin=$(objtree)/scripts/gcc-plugins/, $(gcc-plugin-y)) $(gcc-plugin-cflags-y)) @@ -49,11 +55,3 @@ KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) # All enabled GCC plugins are collected here for building below. GCC_PLUGIN := $(gcc-plugin-y) export GCC_PLUGIN - -# Actually do the build, if requested. -PHONY += gcc-plugins -gcc-plugins: scripts_basic -ifdef CONFIG_GCC_PLUGINS - $(Q)$(MAKE) $(build)=scripts/gcc-plugins -endif - @: diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst index d5e131471131..3d1ebaabd1b6 100644 --- a/scripts/Makefile.headersinst +++ b/scripts/Makefile.headersinst @@ -44,7 +44,6 @@ kbuild-file := $(srctree)/$(obj)/Kbuild installdir := $(INSTALL_HDR_PATH)/$(dst) gendir := $(objtree)/$(subst include/,include/generated/,$(obj)) header-files := $(notdir $(wildcard $(srcdir)/*.h)) -header-files += $(notdir $(wildcard $(srcdir)/*.agh)) header-files := $(filter-out $(no-export-headers), $(header-files)) genhdr-files := $(notdir $(wildcard $(gendir)/*.h)) genhdr-files := $(filter-out $(header-files), $(genhdr-files)) @@ -57,13 +56,6 @@ check-file := $(installdir)/.check all-files := $(header-files) $(genhdr-files) output-files := $(addprefix $(installdir)/, $(all-files)) -ifneq ($(mandatory-y),) -missing := $(filter-out $(all-files),$(mandatory-y)) -ifneq ($(missing),) -$(error Some mandatory headers ($(missing)) are missing in $(obj)) -endif -endif - # Work out what needs to be removed oldheaders := $(patsubst $(installdir)/%,%,$(wildcard $(installdir)/*.h)) unwanted := $(filter-out $(all-files),$(oldheaders)) diff --git a/scripts/Makefile.kasan b/scripts/Makefile.kasan index 69552a39951d..25c259df8ffa 100644 --- a/scripts/Makefile.kasan +++ b/scripts/Makefile.kasan @@ -1,5 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 -ifdef CONFIG_KASAN +ifdef CONFIG_KASAN_GENERIC + ifdef CONFIG_KASAN_INLINE call_threshold := 10000 else @@ -12,36 +13,44 @@ CFLAGS_KASAN_MINIMAL := -fsanitize=kernel-address cc-param = $(call cc-option, -mllvm -$(1), $(call cc-option, --param $(1))) -ifeq ($(call cc-option, $(CFLAGS_KASAN_MINIMAL) -Werror),) - ifneq ($(CONFIG_COMPILE_TEST),y) - $(warning Cannot use CONFIG_KASAN: \ - -fsanitize=kernel-address is not supported by compiler) - endif -else - # -fasan-shadow-offset fails without -fsanitize - CFLAGS_KASAN_SHADOW := $(call cc-option, -fsanitize=kernel-address \ +# -fasan-shadow-offset fails without -fsanitize +CFLAGS_KASAN_SHADOW := $(call cc-option, -fsanitize=kernel-address \ -fasan-shadow-offset=$(KASAN_SHADOW_OFFSET), \ $(call cc-option, -fsanitize=kernel-address \ -mllvm -asan-mapping-offset=$(KASAN_SHADOW_OFFSET))) - ifeq ($(strip $(CFLAGS_KASAN_SHADOW)),) - CFLAGS_KASAN := $(CFLAGS_KASAN_MINIMAL) - else - # Now add all the compiler specific options that are valid standalone - CFLAGS_KASAN := $(CFLAGS_KASAN_SHADOW) \ - $(call cc-param,asan-globals=1) \ - $(call cc-param,asan-instrumentation-with-call-threshold=$(call_threshold)) \ - $(call cc-param,asan-stack=1) \ - $(call cc-param,asan-use-after-scope=1) \ - $(call cc-param,asan-instrument-allocas=1) - endif - +ifeq ($(strip $(CFLAGS_KASAN_SHADOW)),) + CFLAGS_KASAN := $(CFLAGS_KASAN_MINIMAL) +else + # Now add all the compiler specific options that are valid standalone + CFLAGS_KASAN := $(CFLAGS_KASAN_SHADOW) \ + $(call cc-param,asan-globals=1) \ + $(call cc-param,asan-instrumentation-with-call-threshold=$(call_threshold)) \ + $(call cc-param,asan-stack=1) \ + $(call cc-param,asan-use-after-scope=1) \ + $(call cc-param,asan-instrument-allocas=1) endif ifdef CONFIG_KASAN_EXTRA CFLAGS_KASAN += $(call cc-option, -fsanitize-address-use-after-scope) endif -CFLAGS_KASAN_NOSANITIZE := -fno-builtin +endif # CONFIG_KASAN_GENERIC +ifdef CONFIG_KASAN_SW_TAGS + +ifdef CONFIG_KASAN_INLINE + instrumentation_flags := -mllvm -hwasan-mapping-offset=$(KASAN_SHADOW_OFFSET) +else + instrumentation_flags := -mllvm -hwasan-instrument-with-calls=1 +endif + +CFLAGS_KASAN := -fsanitize=kernel-hwaddress \ + -mllvm -hwasan-instrument-stack=0 \ + $(instrumentation_flags) + +endif # CONFIG_KASAN_SW_TAGS + +ifdef CONFIG_KASAN +CFLAGS_KASAN_NOSANITIZE := -fno-builtin endif diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 8fe4468f9bda..12b88d09c3a4 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -61,6 +61,11 @@ real-obj-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) extra-y += $(dtb-y) extra-$(CONFIG_OF_ALL_DTBS) += $(dtb-) +ifneq ($(CHECK_DTBS),) +extra-y += $(patsubst %.dtb,%.dt.yaml, $(dtb-y)) +extra-$(CONFIG_OF_ALL_DTBS) += $(patsubst %.dtb,%.dt.yaml, $(dtb-)) +endif + # Add subdir path extra-y := $(addprefix $(obj)/,$(extra-y)) @@ -237,8 +242,7 @@ cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ # --------------------------------------------------------------------------- quiet_cmd_gzip = GZIP $@ -cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@) || \ - (rm -f $@ ; false) + cmd_gzip = cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@ # DTC # --------------------------------------------------------------------------- @@ -251,7 +255,7 @@ DTC_FLAGS += -Wno-unit_address_vs_reg \ -Wno-avoid_unnecessary_addr_size \ -Wno-alias_paths \ -Wno-graph_child_address \ - -Wno-graph_port \ + -Wno-simple_bus_reg \ -Wno-unique_unit_address \ -Wno-pci_device_reg endif @@ -284,13 +288,28 @@ $(obj)/%.dtb.S: $(obj)/%.dtb FORCE quiet_cmd_dtc = DTC $@ cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \ $(HOSTCC) -E $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ - $(DTC) -O dtb -o $@ -b 0 \ + $(DTC) -O $(2) -o $@ -b 0 \ $(addprefix -i,$(dir $<) $(DTC_INCLUDE)) $(DTC_FLAGS) \ -d $(depfile).dtc.tmp $(dtc-tmp) ; \ cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) $(obj)/%.dtb: $(src)/%.dts $(DTC) FORCE - $(call if_changed_dep,dtc) + $(call if_changed_dep,dtc,dtb) + +DT_CHECKER ?= dt-validate +DT_BINDING_DIR := Documentation/devicetree/bindings +DT_TMP_SCHEMA := $(objtree)/$(DT_BINDING_DIR)/processed-schema.yaml + +quiet_cmd_dtb_check = CHECK $@ + cmd_dtb_check = $(DT_CHECKER) -p $(DT_TMP_SCHEMA) $@ ; + +define rule_dtc_dt_yaml + $(call cmd_and_fixdep,dtc,yaml) + $(call cmd,dtb_check) +endef + +$(obj)/%.dt.yaml: $(src)/%.dts $(DTC) $(DT_TMP_SCHEMA) FORCE + $(call if_changed_rule,dtc_dt_yaml) dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp) @@ -316,26 +335,22 @@ printf "%08x\n" $$dec_size | \ quiet_cmd_bzip2 = BZIP2 $@ cmd_bzip2 = (cat $(filter-out FORCE,$^) | \ - bzip2 -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ - (rm -f $@ ; false) + bzip2 -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ # Lzma # --------------------------------------------------------------------------- quiet_cmd_lzma = LZMA $@ cmd_lzma = (cat $(filter-out FORCE,$^) | \ - lzma -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ - (rm -f $@ ; false) + lzma -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ quiet_cmd_lzo = LZO $@ cmd_lzo = (cat $(filter-out FORCE,$^) | \ - lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ - (rm -f $@ ; false) + lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ quiet_cmd_lz4 = LZ4 $@ cmd_lz4 = (cat $(filter-out FORCE,$^) | \ - lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ - (rm -f $@ ; false) + lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ # U-Boot mkimage # --------------------------------------------------------------------------- @@ -351,15 +366,13 @@ 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) +quiet_cmd_uimage = UIMAGE $@ 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) + -n $(UIMAGE_NAME) -d $< $@ # XZ # --------------------------------------------------------------------------- @@ -381,13 +394,11 @@ quiet_cmd_uimage = UIMAGE $(UIMAGE_OUT) 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) + $(call size_append, $(filter-out FORCE,$^))) > $@ quiet_cmd_xzmisc = XZMISC $@ cmd_xzmisc = (cat $(filter-out FORCE,$^) | \ - xz --check=crc32 --lzma2=dict=1MiB) > $@ || \ - (rm -f $@ ; false) + xz --check=crc32 --lzma2=dict=1MiB) > $@ # ASM offsets # --------------------------------------------------------------------------- @@ -406,7 +417,6 @@ endef # Use filechk to avoid rebuilds when a header changes, but the resulting file # does not define filechk_offsets - (set -e; \ echo "#ifndef $2"; \ echo "#define $2"; \ echo "/*"; \ @@ -417,5 +427,5 @@ define filechk_offsets echo ""; \ sed -ne $(sed-offsets) < $<; \ echo ""; \ - echo "#endif" ) + echo "#endif" endef |