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			236 lines
		
	
	
		
			7.2 KiB
		
	
	
	
		
			Makefile
		
	
	
	
	
	
			
		
		
	
	
			236 lines
		
	
	
		
			7.2 KiB
		
	
	
	
		
			Makefile
		
	
	
	
	
	
# 
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# Copyright (C) 2006-2011 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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ifeq ($(__target_inc),)
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  include $(INCLUDE_DIR)/target.mk
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endif
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ifeq ($(DUMP),1)
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  KERNEL?=<KERNEL>
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  BOARD?=<BOARD>
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  LINUX_VERSION?=<LINUX_VERSION>
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  LINUX_VERMAGIC?=<LINUX_VERMAGIC>
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else
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  ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
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    export GCC_HONOUR_COPTS=s
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  endif
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  LINUX_KMOD_SUFFIX=ko
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  ifneq (,$(findstring uml,$(BOARD)))
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    KERNEL_CC?=$(HOSTCC)
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    KERNEL_CROSS?=
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  else
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    KERNEL_CC?=$(TARGET_CC)
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    KERNEL_CROSS?=$(TARGET_CROSS)
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  endif
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  ifeq ($(TARGET_BUILD),1)
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    PATCH_DIR ?= ./patches$(if $(wildcard ./patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER))
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    FILES_DIR ?= $(foreach dir,$(wildcard ./files ./files-$(KERNEL_PATCHVER)),"$(dir)")
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  endif
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  KERNEL_BUILD_DIR ?= $(BUILD_DIR)/linux-$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET))
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  LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
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  ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,3.7.0)),1)
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    LINUX_UAPI_DIR=uapi/
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  endif
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  LINUX_VERMAGIC:=$(strip $(shell cat $(LINUX_DIR)/.vermagic 2>/dev/null))
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  LINUX_VERMAGIC:=$(if $(LINUX_VERMAGIC),$(LINUX_VERMAGIC),unknown)
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  LINUX_UNAME_VERSION:=$(if $(word 3,$(subst ., ,$(KERNEL_BASE))),$(KERNEL_BASE),$(KERNEL_BASE).0)
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  ifneq ($(findstring -rc,$(LINUX_VERSION)),)
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    LINUX_UNAME_VERSION:=$(LINUX_UNAME_VERSION)-$(strip $(lastword $(subst -, ,$(LINUX_VERSION))))
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  endif
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  MODULES_SUBDIR:=lib/modules/$(LINUX_UNAME_VERSION)
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  TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
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  LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
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  LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.xz
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  TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,)
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  ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE))$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
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      LINUX_SITE:=@KERNEL/linux/kernel/v3.x$(TESTING)
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  endif
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  ifneq ($(TARGET_BUILD),1)
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    PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
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  endif
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endif
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ifneq (,$(findstring uml,$(BOARD)))
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  LINUX_KARCH=um
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else
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  ifeq (,$(LINUX_KARCH))
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    LINUX_KARCH=$(strip $(subst i386,x86,$(subst armeb,arm,$(subst mipsel,mips,$(subst mips64,mips,$(subst mips64el,mips,$(subst sh2,sh,$(subst sh3,sh,$(subst sh4,sh,$(ARCH))))))))))
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  endif
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endif
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define KernelPackage/Defaults
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  FILES:=
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  AUTOLOAD:=
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endef
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define ModuleAutoLoad
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	$(SH_FUNC) \
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	export modules=; \
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	probe_module() { \
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		mods="$$$$$$$$1"; \
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		boot="$$$$$$$$2"; \
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		shift 2; \
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		for mod in $$$$$$$$mods; do \
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			if [ -e $(2)/$(MODULES_SUBDIR)/$$$$$$$$mod.ko ]; then \
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				mkdir -p $(2)/etc/modules.d; \
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				echo "$$$$$$$$mod" >> $(2)/etc/modules.d/$(1); \
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			fi; \
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		done; \
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		if [ -e $(2)/etc/modules.d/$(1) ]; then \
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			if [ "$$$$$$$$boot" = "1" ]; then \
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				mkdir -p $(2)/etc/modules-boot.d; \
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				ln -s ../modules.d/$(1) $(2)/etc/modules-boot.d/; \
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			fi; \
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			modules="$$$$$$$${modules:+$$$$$$$$modules}"; \
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		fi; \
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	}; \
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	add_module() { \
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		priority="$$$$$$$$1"; \
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		mods="$$$$$$$$2"; \
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		boot="$$$$$$$$3"; \
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		shift 3; \
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		for mod in $$$$$$$$mods; do \
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			if [ -e $(2)/$(MODULES_SUBDIR)/$$$$$$$$mod.ko ]; then \
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				mkdir -p $(2)/etc/modules.d; \
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				echo "$$$$$$$$mod" >> $(2)/etc/modules.d/$$$$$$$$priority-$(1); \
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			fi; \
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		done; \
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		if [ -e $(2)/etc/modules.d/$$$$$$$$priority-$(1) ]; then \
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			if [ "$$$$$$$$boot" = "1" ]; then \
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				mkdir -p $(2)/etc/modules-boot.d; \
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				ln -s ../modules.d/$$$$$$$$priority-$(1) $(2)/etc/modules-boot.d/; \
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			fi; \
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			modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$priority-$(1)"; \
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		fi; \
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	}; \
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	$(3) \
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	if [ -n "$$$$$$$$modules" ]; then \
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		mkdir -p $(2)/etc/modules.d; \
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		mkdir -p $(2)/CONTROL; \
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		echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
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		echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
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		echo ". /lib/functions.sh" >> $(2)/CONTROL/postinst; \
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		echo "insert_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst; \
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		chmod 0755 $(2)/CONTROL/postinst; \
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	fi
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endef
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ifeq ($(DUMP)$(TARGET_BUILD),)
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  -include $(LINUX_DIR)/.config
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endif
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define KernelPackage/depends
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  $(STAMP_BUILT): $(LINUX_DIR)/.config
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  define KernelPackage/depends
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  endef
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endef
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define KernelPackage
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  NAME:=$(1)
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  $(eval $(call Package/Default))
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  $(eval $(call KernelPackage/Defaults))
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  $(eval $(call KernelPackage/$(1)))
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  $(eval $(call KernelPackage/$(1)/$(BOARD)))
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  define Package/kmod-$(1)
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    TITLE:=$(TITLE)
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    SECTION:=kernel
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    CATEGORY:=Kernel modules
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    DESCRIPTION:=$(DESCRIPTION)
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    EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(LINUX_RELEASE)-$(LINUX_VERMAGIC))
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    VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE))
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    $(call KernelPackage/$(1))
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    $(call KernelPackage/$(1)/$(BOARD))
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  endef
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  ifdef KernelPackage/$(1)/description
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    define Package/kmod-$(1)/description
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$(call KernelPackage/$(1)/description)
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    endef
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  endif
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  ifdef KernelPackage/$(1)/config
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    define Package/kmod-$(1)/config
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$(call KernelPackage/$(1)/config)
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    endef
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  endif
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  $(call KernelPackage/depends)
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  ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m y,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
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    ifneq ($(strip $(FILES)),)
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      define Package/kmod-$(1)/install
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		  @for mod in $$(FILES); do \
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			if [ -e $$$$$$$$mod ]; then \
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				mkdir -p $$(1)/$(MODULES_SUBDIR) ; \
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				$(CP) -L $$$$$$$$mod $$(1)/$(MODULES_SUBDIR)/ ; \
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			elif [ -e "$(LINUX_DIR)/modules.builtin" ]; then \
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				if grep -q "$$$$$$$${mod##$(LINUX_DIR)/}" "$(LINUX_DIR)/modules.builtin"; then \
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					echo "NOTICE: module '$$$$$$$$mod' is built-in."; \
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				else \
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					echo "ERROR: module '$$$$$$$$mod' is missing." >&2; \
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					exit 1; \
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				fi; \
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			else \
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				echo "WARNING: module '$$$$$$$$mod' missing and modules.builtin not available, assuming built-in." >&2; \
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			fi; \
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		  done;
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		  $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
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		  $(call KernelPackage/$(1)/install,$$(1))
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      endef
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    endif
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  $(if $(CONFIG_PACKAGE_kmod-$(1)),
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    else
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      compile: $(1)-disabled
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      $(1)-disabled:
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		@echo "WARNING: kmod-$(1) is not available in the kernel config - generating empty package" >&2
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      define Package/kmod-$(1)/install
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		true
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      endef
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  )
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  endif
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  $$(eval $$(call BuildPackage,kmod-$(1)))
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  $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES))
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endef
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define AutoLoad
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  add_module "$(1)" "$(2)" "$(3)";
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endef
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define AutoProbe
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  probe_module "$(1)" "$(2)";
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endef
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version_field=$(if $(word $(1),$(2)),$(word $(1),$(2)),0)
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kernel_version_merge=$$(( ($(call version_field,1,$(1)) << 24) + ($(call version_field,2,$(1)) << 16) + ($(call version_field,3,$(1)) << 8) + $(call version_field,4,$(1)) ))
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ifdef DUMP
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  kernel_version_cmp=
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else
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  kernel_version_cmp=$(shell [ $(call kernel_version_merge,$(call split_version,$(2))) $(1) $(call kernel_version_merge,$(call split_version,$(3))) ] && echo 1 )
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endif
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CompareKernelPatchVer=$(if $(call kernel_version_cmp,-$(2),$(1),$(3)),1,0)
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kernel_patchver_gt=$(call kernel_version_cmp,-gt,$(KERNEL_PATCHVER),$(1))
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kernel_patchver_ge=$(call kernel_version_cmp,-ge,$(KERNEL_PATCHVER),$(1))
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kernel_patchver_eq=$(call kernel_version_cmp,-eq,$(KERNEL_PATCHVER),$(1))
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kernel_patchver_le=$(call kernel_version_cmp,-le,$(KERNEL_PATCHVER),$(1))
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kernel_patchver_lt=$(call kernel_version_cmp,-lt,$(KERNEL_PATCHVER),$(1))
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