Sascha Hauer
Sascha Hauer
parent
c3bb685cd8
commit
3e83b8358a
304
Makefile
304
Makefile
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@ -134,11 +134,7 @@ ifeq ($(skip-makefile),)
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# If building an external module we do not care about the all: rule
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# but instead _all depend on modules
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PHONY += all
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ifeq ($(KBUILD_EXTMOD),)
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_all: all
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else
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_all: modules
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endif
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srctree := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR))
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TOPDIR := $(srctree)
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@ -228,7 +224,7 @@ ifeq ($(MAKECMDGOALS),)
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endif
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export KBUILD_MODULES KBUILD_BUILTIN
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export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD
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export KBUILD_CHECKSRC KBUILD_SRC
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# Beautify output
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# ---------------------------------------------------------------------------
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@ -383,13 +379,11 @@ ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),)
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endif
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endif
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ifeq ($(KBUILD_EXTMOD),)
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ifneq ($(filter config %config,$(MAKECMDGOALS)),)
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config-targets := 1
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ifneq ($(filter-out config %config,$(MAKECMDGOALS)),)
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mixed-targets := 1
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endif
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endif
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ifneq ($(filter config %config,$(MAKECMDGOALS)),)
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config-targets := 1
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ifneq ($(filter-out config %config,$(MAKECMDGOALS)),)
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mixed-targets := 1
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endif
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endif
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ifeq ($(mixed-targets),1)
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@ -421,7 +415,6 @@ else
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# Build targets only - this includes vmlinux, arch specific targets, clean
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# targets and others. In general all targets except *config targets.
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ifeq ($(KBUILD_EXTMOD),)
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# Additional helpers built in scripts/
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# Carefully list dependencies so we do not try to build scripts twice
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# in parallel
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@ -430,18 +423,16 @@ scripts: scripts_basic include/config/auto.conf
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$(Q)$(MAKE) $(build)=$(@)
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# Objects we will link into vmlinux / subdirs we need to visit
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#init-y := init/
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common-y := common/ drivers/ lib_generic/ net/
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#drivers-y := drivers/ sound/
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#net-y := net/
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#libs-y := lib/
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#core-y := usr/
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endif # KBUILD_EXTMOD
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ifeq ($(dot-config),1)
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# Read in config
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-include include/config/auto.conf
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ifeq ($(KBUILD_EXTMOD),)
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# Read in dependencies to all Kconfig* files, make sure to run
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# oldconfig if changes are detected.
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-include include/config/auto.conf.cmd
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@ -455,21 +446,6 @@ $(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;
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# we execute the config step to be sure to catch updated Kconfig files
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include/config/auto.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
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$(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig
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else
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# external modules needs include/linux/autoconf.h and include/config/auto.conf
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# but do not care if they are up-to-date. Use auto.conf to trigger the test
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PHONY += include/config/auto.conf
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include/config/auto.conf:
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$(Q)test -e include/linux/autoconf.h -a -e $@ || ( \
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echo; \
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echo " ERROR: Kernel configuration is invalid."; \
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echo " include/linux/autoconf.h or $@ are missing."; \
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echo " Run 'make oldconfig && make prepare' on kernel src to fix it."; \
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echo; \
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/bin/false)
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endif # KBUILD_EXTMOD
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else
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# Dummy target needed, because used as prerequisite
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@ -552,7 +528,6 @@ endif # INSTALL_MOD_STRIP
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export mod_strip_cmd
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ifeq ($(KBUILD_EXTMOD),)
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#core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/
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vmlinux-dirs := $(patsubst %/,%,$(filter %/, $(common-y) $(common-m) \
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@ -564,13 +539,13 @@ vmlinux-alldirs := $(sort $(vmlinux-dirs) $(patsubst %/,%,$(filter %/, \
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$(core-n) $(core-) $(drivers-n) $(drivers-) \
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$(net-n) $(net-) $(libs-n) $(libs-))))
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#init-y := $(patsubst %/, %/built-in.o, $(init-y))
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common-y := $(patsubst %/, %/built-in.o, $(common-y))
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#core-y := $(patsubst %/, %/built-in.o, $(core-y))
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#drivers-y := $(patsubst %/, %/built-in.o, $(drivers-y))
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#net-y := $(patsubst %/, %/built-in.o, $(net-y))
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#libs-y1 := $(patsubst %/, %/lib.a, $(libs-y))
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#libs-y2 := $(patsubst %/, %/built-in.o, $(libs-y))
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#libs-y := $(libs-y1) $(libs-y2)
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libs-y1 := $(patsubst %/, %/lib.a, $(libs-y))
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libs-y2 := $(patsubst %/, %/built-in.o, $(libs-y))
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libs-y := $(libs-y1) $(libs-y2)
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# Build vmlinux
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# ---------------------------------------------------------------------------
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@ -599,18 +574,19 @@ vmlinux-alldirs := $(sort $(vmlinux-dirs) $(patsubst %/,%,$(filter %/, \
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#
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# System.map is generated to document addresses of all kernel symbols
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vmlinux-common := $(head-y) $(common-y)
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vmlinux-init := $(head-y)
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vmlinux-common := $(common-y)
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vmlinux-main := $(core-y) $(libs-y) $(drivers-y) $(net-y)
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vmlinux-all := $(vmlinux-common) $(vmlinux-main)
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vmlinux-lds := arch/$(ARCH)/kernel/vmlinux.lds
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vmlinux-lds := $(BOARD)/u-boot.lds
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# Rule to link vmlinux - also used during CONFIG_KALLSYMS
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# May be overridden by arch/$(ARCH)/Makefile
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quiet_cmd_vmlinux__ ?= LD $@
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cmd_vmlinux__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) -o $@ \
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-T $(vmlinux-lds) $(vmlinux-common) \
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--start-group $(vmlinux-main) --end-group \
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$(filter-out $(vmlinux-lds) $(vmlinux-common) $(vmlinux-main) FORCE ,$^)
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-T $(vmlinux-lds) $(vmlinux-init) \
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--start-group $(vmlinux-common) --end-group \
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$(filter-out $(vmlinux-lds) $(vmlinux-common) FORCE ,$^)
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# Generate new vmlinux version
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quiet_cmd_vmlinux_version = GEN .version
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@ -740,7 +716,6 @@ ifdef CONFIG_HEADERS_CHECK
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$(Q)$(MAKE) -f $(srctree)/Makefile headers_check
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endif
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$(call if_changed_rule,vmlinux__)
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$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost $@
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$(Q)rm -f .old_version
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# The actual objects are generated when descending,
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@ -914,103 +889,6 @@ PHONY += depend dep
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depend dep:
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@echo '*** Warning: make $@ is unnecessary now.'
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# ---------------------------------------------------------------------------
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# Kernel headers
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INSTALL_HDR_PATH=$(objtree)/usr
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export INSTALL_HDR_PATH
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HDRARCHES=$(filter-out generic,$(patsubst $(srctree)/include/asm-%/Kbuild,%,$(wildcard $(srctree)/include/asm-*/Kbuild)))
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PHONY += headers_install_all
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headers_install_all: include/linux/version.h scripts_basic FORCE
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$(Q)$(MAKE) $(build)=scripts scripts/unifdef
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$(Q)for arch in $(HDRARCHES); do \
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$(MAKE) ARCH=$$arch -f $(srctree)/scripts/Makefile.headersinst obj=include BIASMDIR=-bi-$$arch ;\
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done
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PHONY += headers_install
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headers_install: include/linux/version.h scripts_basic FORCE
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@if [ ! -r $(srctree)/include/asm-$(ARCH)/Kbuild ]; then \
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echo '*** Error: Headers not exportable for this architecture ($(ARCH))'; \
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exit 1 ; fi
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$(Q)$(MAKE) $(build)=scripts scripts/unifdef
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$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.headersinst obj=include
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PHONY += headers_check
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headers_check: headers_install
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$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.headersinst obj=include HDRCHECK=1
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# ---------------------------------------------------------------------------
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# Modules
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ifdef CONFIG_MODULES
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# By default, build modules as well
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all: modules
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# Build modules
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PHONY += modules
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modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux)
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@echo ' Building modules, stage 2.';
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$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
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# Target to prepare building external modules
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PHONY += modules_prepare
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modules_prepare: prepare scripts
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# Target to install modules
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PHONY += modules_install
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modules_install: _modinst_ _modinst_post
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PHONY += _modinst_
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_modinst_:
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@if [ -z "`$(DEPMOD) -V 2>/dev/null | grep module-init-tools`" ]; then \
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echo "Warning: you may need to install module-init-tools"; \
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echo "See http://www.codemonkey.org.uk/docs/post-halloween-2.6.txt";\
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sleep 1; \
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fi
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@rm -rf $(MODLIB)/kernel
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@rm -f $(MODLIB)/source
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@mkdir -p $(MODLIB)/kernel
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@ln -s $(srctree) $(MODLIB)/source
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@if [ ! $(objtree) -ef $(MODLIB)/build ]; then \
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rm -f $(MODLIB)/build ; \
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ln -s $(objtree) $(MODLIB)/build ; \
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fi
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$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst
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# If System.map exists, run depmod. This deliberately does not have a
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# dependency on System.map since that would run the dependency tree on
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# vmlinux. This depmod is only for convenience to give the initial
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# boot a modules.dep even before / is mounted read-write. However the
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# boot script depmod is the master version.
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ifeq "$(strip $(INSTALL_MOD_PATH))" ""
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depmod_opts :=
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else
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depmod_opts := -b $(INSTALL_MOD_PATH) -r
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endif
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PHONY += _modinst_post
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_modinst_post: _modinst_
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if [ -r System.map -a -x $(DEPMOD) ]; then $(DEPMOD) -ae -F System.map $(depmod_opts) $(KERNELRELEASE); fi
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else # CONFIG_MODULES
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# Modules not configured
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# ---------------------------------------------------------------------------
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modules modules_install: FORCE
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@echo
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@echo "The present kernel configuration has modules disabled."
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@echo "Type 'make config' and enable loadable module support."
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@echo "Then build a kernel with module support enabled."
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@echo
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@exit 1
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endif # CONFIG_MODULES
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###
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# Cleaning is done on three levels.
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# make clean Delete most generated files
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@ -1152,100 +1030,6 @@ help:
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@echo 'Execute "make" or "make all" to build all targets marked with [*] '
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@echo 'For further info see the ./README file'
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else # KBUILD_EXTMOD
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###
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# External module support.
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# When building external modules the kernel used as basis is considered
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# read-only, and no consistency checks are made and the make
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# system is not used on the basis kernel. If updates are required
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# in the basis kernel ordinary make commands (without M=...) must
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# be used.
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#
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# The following are the only valid targets when building external
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# modules.
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# make M=dir clean Delete all automatically generated files
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# make M=dir modules Make all modules in specified dir
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# make M=dir Same as 'make M=dir modules'
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# make M=dir modules_install
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# Install the modules built in the module directory
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# Assumes install directory is already created
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# We are always building modules
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KBUILD_MODULES := 1
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PHONY += crmodverdir
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crmodverdir:
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$(Q)mkdir -p $(MODVERDIR)
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$(Q)rm -f $(MODVERDIR)/*
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PHONY += $(objtree)/Module.symvers
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$(objtree)/Module.symvers:
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@test -e $(objtree)/Module.symvers || ( \
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echo; \
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echo " WARNING: Symbol version dump $(objtree)/Module.symvers"; \
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echo " is missing; modules will have no dependencies and modversions."; \
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echo )
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module-dirs := $(addprefix _module_,$(KBUILD_EXTMOD))
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PHONY += $(module-dirs) modules
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$(module-dirs): crmodverdir $(objtree)/Module.symvers
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$(Q)$(MAKE) $(build)=$(patsubst _module_%,%,$@)
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modules: $(module-dirs)
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@echo ' Building modules, stage 2.';
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$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
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PHONY += modules_install
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modules_install: _emodinst_ _emodinst_post
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install-dir := $(if $(INSTALL_MOD_DIR),$(INSTALL_MOD_DIR),extra)
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PHONY += _emodinst_
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_emodinst_:
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$(Q)mkdir -p $(MODLIB)/$(install-dir)
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$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst
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# Run depmod only is we have System.map and depmod is executable
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quiet_cmd_depmod = DEPMOD $(KERNELRELEASE)
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cmd_depmod = if [ -r System.map -a -x $(DEPMOD) ]; then \
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$(DEPMOD) -ae -F System.map \
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$(if $(strip $(INSTALL_MOD_PATH)), \
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-b $(INSTALL_MOD_PATH) -r) \
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$(KERNELRELEASE); \
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fi
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PHONY += _emodinst_post
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_emodinst_post: _emodinst_
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$(call cmd,depmod)
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clean-dirs := $(addprefix _clean_,$(KBUILD_EXTMOD))
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PHONY += $(clean-dirs) clean
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$(clean-dirs):
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$(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)
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clean: rm-dirs := $(MODVERDIR)
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clean: $(clean-dirs)
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$(call cmd,rmdirs)
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@find $(KBUILD_EXTMOD) $(RCS_FIND_IGNORE) \
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\( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
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-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \) \
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-type f -print | xargs rm -f
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help:
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@echo ' Building external modules.'
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@echo ' Syntax: make -C path/to/kernel/src M=$$PWD target'
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@echo ''
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@echo ' modules - default target, build the module(s)'
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@echo ' modules_install - install the module'
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@echo ' clean - remove generated files in module directory only'
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@echo ''
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# Dummies...
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PHONY += prepare scripts
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prepare: ;
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scripts: ;
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endif # KBUILD_EXTMOD
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# Generate tags for editors
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# ---------------------------------------------------------------------------
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@ -1358,46 +1142,9 @@ tags: FORCE
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$(call cmd,tags)
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# Scripts to check various things for consistency
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# ---------------------------------------------------------------------------
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includecheck:
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find * $(RCS_FIND_IGNORE) \
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-name '*.[hcS]' -type f -print | sort \
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| xargs $(PERL) -w scripts/checkincludes.pl
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versioncheck:
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find * $(RCS_FIND_IGNORE) \
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-name '*.[hcS]' -type f -print | sort \
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| xargs $(PERL) -w scripts/checkversion.pl
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namespacecheck:
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$(PERL) $(srctree)/scripts/namespace.pl
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endif #ifeq ($(config-targets),1)
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endif #ifeq ($(mixed-targets),1)
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PHONY += checkstack kernelrelease kernelversion
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# UML needs a little special treatment here. It wants to use the host
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# toolchain, so needs $(SUBARCH) passed to checkstack.pl. Everyone
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# else wants $(ARCH), including people doing cross-builds, which means
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# that $(SUBARCH) doesn't work here.
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ifeq ($(ARCH), um)
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CHECKSTACK_ARCH := $(SUBARCH)
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else
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CHECKSTACK_ARCH := $(ARCH)
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endif
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checkstack:
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$(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \
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$(PERL) $(src)/scripts/checkstack.pl $(CHECKSTACK_ARCH)
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kernelrelease:
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$(if $(wildcard include/config/kernel.release), $(Q)echo $(KERNELRELEASE), \
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$(error kernelrelease not valid - run 'make prepare' to update it))
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kernelversion:
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@echo $(KERNELVERSION)
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# Single targets
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# ---------------------------------------------------------------------------
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# Single targets are compatible with:
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@ -1408,14 +1155,8 @@ kernelversion:
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# target-dir => where to store outputfile
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# build-dir => directory in kernel source tree to use
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ifeq ($(KBUILD_EXTMOD),)
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build-dir = $(patsubst %/,%,$(dir $@))
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target-dir = $(dir $@)
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else
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zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@)))
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build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash))
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target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@))
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endif
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build-dir = $(patsubst %/,%,$(dir $@))
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target-dir = $(dir $@)
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%.s: %.c prepare scripts FORCE
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$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
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@ -1434,12 +1175,7 @@ endif
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# Modules
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/ %/: prepare scripts FORCE
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$(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
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$(build)=$(build-dir)
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%.ko: prepare scripts FORCE
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$(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
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$(build)=$(build-dir) $(@:.ko=.o)
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$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
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$(Q)$(MAKE) $(build)=$(build-dir)
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# FIXME Should go into a make.lib or something
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# ===========================================================================
|
||||
|
|
|
|||
|
|
@ -1 +1,24 @@
|
|||
# placeholder
|
||||
|
||||
choice
|
||||
prompt "Select target board"
|
||||
|
||||
config ARCH_IMX
|
||||
select ARM920T
|
||||
bool "Motorola i.MX"
|
||||
|
||||
endchoice
|
||||
|
||||
choice
|
||||
prompt "Select i.MX implementation"
|
||||
|
||||
config MACH_MX1ADS
|
||||
bool "mx1ads"
|
||||
depends on ARCH_IMX
|
||||
help
|
||||
Say Y here if you are using the Motorola MX1ADS board
|
||||
|
||||
endchoice
|
||||
|
||||
config ARM920T
|
||||
bool
|
||||
|
|
@ -1,3 +1,57 @@
|
|||
|
||||
CPPFLAGS += -fno-builtin -ffreestanding -nostdinc \
|
||||
CPPFLAGS += -fno-builtin -ffreestanding -nostdinc -Wall \
|
||||
-isystem $(gccincdir) -pipe -D __ARM__ -D CONFIG_ARM
|
||||
|
||||
|
||||
machine-$(CONFIG_ARCH_IMX) := imx
|
||||
board-$(CONFIG_MACH_MX1ADS) := mx1ads
|
||||
cpu-$(CONFIG_ARM920T) := arm920t
|
||||
|
||||
TEXT_BASE = 0x08400000
|
||||
|
||||
CPPFLAGS += -mabi=apcs-gnu -DTEXT_BASE=$(TEXT_BASE)
|
||||
CFLAGS := -fno-common -ffreestanding -nostdinc -msoft-float
|
||||
LDFLAGS_vmlinux :=-L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
|
||||
|
||||
ifeq ($(incdir-y),)
|
||||
incdir-y := $(machine-y)
|
||||
endif
|
||||
INCDIR := arch-$(incdir-y)
|
||||
|
||||
# Update machine arch and proc symlinks if something which affects
|
||||
# them changed. We use .arch to indicate when they were updated
|
||||
# last, otherwise make uses the target directory mtime.
|
||||
|
||||
include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/auto.conf
|
||||
@echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
|
||||
ifneq ($(KBUILD_SRC),)
|
||||
echo incdir1: $(INCDIR)
|
||||
$(Q)mkdir -p include/asm-arm
|
||||
$(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
|
||||
else
|
||||
echo incdir: $(INCDIR)
|
||||
$(Q)ln -fsn $(INCDIR) include/asm-arm/arch
|
||||
endif
|
||||
@touch $@
|
||||
|
||||
archprepare: maketools
|
||||
|
||||
PHONY += maketools
|
||||
maketools: include/asm-arm/.arch
|
||||
|
||||
|
||||
ifneq ($(board-y),)
|
||||
BOARD := board/$(board-y)/
|
||||
else
|
||||
BOARD :=
|
||||
endif
|
||||
|
||||
ifneq ($(cpu-y),)
|
||||
CPU := cpu/$(cpu-y)/
|
||||
else
|
||||
CPU :=
|
||||
endif
|
||||
|
||||
common-y += $(BOARD) $(CPU)
|
||||
|
||||
common-y += arch/arm/lib/
|
||||
|
|
|
|||
Loading…
Reference in New Issue