X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/77aeb32a1d3d514d184d8911f801fa1e2d26bf0d..494bc2d39907cabb669d5cb10f59d6110264f854:/include/kernel.mk diff --git a/include/kernel.mk b/include/kernel.mk index b40f65f48..4744e09ef 100644 --- a/include/kernel.mk +++ b/include/kernel.mk @@ -1,80 +1,191 @@ +# +# Copyright (C) 2006 OpenWrt.org +# +# This is free software, licensed under the GNU General Public License v2. +# See /LICENSE for more information. +# + +ifeq ($(__target_inc),) + include $(INCLUDE_DIR)/target.mk +endif + ifeq ($(DUMP),1) - KERNEL:= - BOARD:= - LINUX_VERSION:= + KERNEL?= + BOARD?= + LINUX_VERSION?= else --include $(TOPDIR)/.kernel.mk + ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),) + export GCC_HONOUR_COPTS=s + endif -ifneq (,$(findstring 2.4.,$(LINUX_VERSION))) -KERNEL:=2.4 -LINUX_KMOD_SUFFIX=o -endif -ifneq (,$(findstring 2.6.,$(LINUX_VERSION))) -KERNEL:=2.6 -LINUX_KMOD_SUFFIX=ko -endif + LINUX_KMOD_SUFFIX=ko + + ifneq (,$(findstring uml,$(BOARD))) + KERNEL_CC?=$(HOSTCC) + KERNEL_CROSS?= + else + KERNEL_CC?=$(TARGET_CC) + KERNEL_CROSS?=$(TARGET_CROSS) + endif + + ifeq ($(TARGET_BUILD),1) + PATCH_DIR ?= ./patches$(if $(wildcard ./patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER)) + FILES_DIR ?= $(foreach dir,$(wildcard ./files ./files-$(KERNEL_PATCHVER)),"$(dir)") + endif + KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET))$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX)) + LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) + + LINUX_UNAME_VERSION:=$(if $(word 3,$(subst ., ,$(KERNEL_BASE))),$(KERNEL_BASE),$(KERNEL_BASE).0) + ifneq ($(findstring -rc,$(LINUX_VERSION)),) + LINUX_UNAME_VERSION:=$(LINUX_UNAME_VERSION)-$(strip $(lastword $(subst -, ,$(LINUX_VERSION)))) + endif -LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \ - -e 's/mipsel/mips/' \ - -e 's/mipseb/mips/' \ - -e 's/powerpc/ppc/' \ - -e 's/sh[234]/sh/' \ - -e 's/armeb/arm/' \ -) + MODULES_SUBDIR:=lib/modules/$(LINUX_UNAME_VERSION) + TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR) -KERNEL_BUILD_DIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD) -LINUX_DIR := $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) + LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux -MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION) -MODULES_DIR := $(KERNEL_BUILD_DIR)/modules/$(MODULES_SUBDIR) -TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR) -KMOD_BUILD_DIR := $(KERNEL_BUILD_DIR)/linux-modules + LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2 + TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,) + ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE)),) + ifeq ($(word 1,$(subst ., ,$(KERNEL_BASE))),3) + LINUX_SITE:=@KERNEL/linux/kernel/v3.x$(TESTING) + else + LINUX_SITE:=@KERNEL/linux/kernel/v$(KERNEL)$(TESTING) + endif + endif -LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux + ifneq ($(TARGET_BUILD),1) + PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION)) + endif endif -# FIXME: remove this crap -define KMOD_template -ifeq ($$(strip $(4)),) -KDEPEND_$(1):=m +ifneq (,$(findstring uml,$(BOARD))) + LINUX_KARCH=um else -KDEPEND_$(1):=$($(4)) + ifeq (,$(LINUX_KARCH)) + LINUX_KARCH=$(strip $(subst i386,x86,$(subst armeb,arm,$(subst mipsel,mips,$(subst mips64,mips,$(subst mips64el,mips,$(subst sh2,sh,$(subst sh3,sh,$(subst sh4,sh,$(ARCH)))))))))) + endif endif -IDEPEND_$(1):=kernel ($(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)) $(foreach pkg,$(5),", $(pkg)") -PKG_$(1) := $(PACKAGE_DIR)/kmod-$(2)_$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)_$(ARCH).ipk -I_$(1) := $(KMOD_BUILD_DIR)/ipkg/$(2) +define KernelPackage/Defaults + FILES:= + AUTOLOAD:= +endef -ifeq ($$(KDEPEND_$(1)),m) -ifneq ($$(CONFIG_PACKAGE_KMOD_$(1)),) -TARGETS += $$(PKG_$(1)) -endif -ifeq ($$(CONFIG_PACKAGE_KMOD_$(1)),y) -INSTALL_TARGETS += $$(PKG_$(1)) -endif -endif +define ModuleAutoLoad + $(SH_FUNC) \ + export modules=; \ + add_module() { \ + priority="$$$$$$$$1"; \ + mods="$$$$$$$$2"; \ + boot="$$$$$$$$3"; \ + shift 3; \ + mkdir -p $(2)/etc/modules.d; \ + ( \ + [ "$$$$$$$$boot" = "1" ] && { \ + echo '# May be required for rootfs' ; \ + } ; \ + for mod in $$$$$$$$mods; do \ + echo "$$$$$$$$mod"; \ + done \ + ) > $(2)/etc/modules.d/$$$$$$$$priority-$(1); \ + modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$priority-$(1)"; \ + }; \ + $(3) \ + if [ -n "$$$$$$$$modules" ]; then \ + mkdir -p $(2)/etc/modules.d; \ + mkdir -p $(2)/CONTROL; \ + echo "#!/bin/sh" > $(2)/CONTROL/postinst; \ + echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \ + echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \ + echo "load_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst; \ + chmod 0755 $(2)/CONTROL/postinst; \ + fi +endef -$$(PKG_$(1)): $(LINUX_DIR)/.modules_done - rm -rf $$(I_$(1)) - $(SCRIPT_DIR)/make-ipkg-dir.sh $$(I_$(1)) ../control/kmod-$(2).control $(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE) $(ARCH) - echo "Depends: $$(IDEPEND_$(1))" >> $$(I_$(1))/CONTROL/control -ifneq ($(strip $(3)),) - mkdir -p $$(I_$(1))/lib/modules/$(LINUX_VERSION) - $(CP) $(3) $$(I_$(1))/lib/modules/$(LINUX_VERSION) -endif -ifneq ($(6),) - mkdir -p $$(I_$(1))/etc/modules.d - for module in $(7); do \ - echo $$$$module >> $$(I_$(1))/etc/modules.d/$(6)-$(2); \ - done - echo "#!/bin/sh" >> $$(I_$(1))/CONTROL/postinst - echo "[ -z \"\$$$$IPKG_INSTROOT\" ] || exit" >> $$(I_$(1))/CONTROL/postinst - echo ". /etc/functions.sh" >> $$(I_$(1))/CONTROL/postinst - echo "load_modules /etc/modules.d/$(6)-$(2)" >> $$(I_$(1))/CONTROL/postinst - chmod 0755 $$(I_$(1))/CONTROL/postinst +ifeq ($(DUMP)$(TARGET_BUILD),) + -include $(LINUX_DIR)/.config endif - $(8) - $(IPKG_BUILD) $$(I_$(1)) $(PACKAGE_DIR) + +define KernelPackage/depends + $(STAMP_BUILT): $(LINUX_DIR)/.config + define KernelPackage/depends + endef endef +define KernelPackage + NAME:=$(1) + $(eval $(call Package/Default)) + $(eval $(call KernelPackage/Defaults)) + $(eval $(call KernelPackage/$(1))) + $(eval $(call KernelPackage/$(1)/$(BOARD))) + + define Package/kmod-$(1) + TITLE:=$(TITLE) + SECTION:=kernel + CATEGORY:=Kernel modules + DESCRIPTION:=$(DESCRIPTION) + EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(LINUX_RELEASE)) + VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE)) + $(call KernelPackage/$(1)) + $(call KernelPackage/$(1)/$(BOARD)) + endef + + ifdef KernelPackage/$(1)/description + define Package/kmod-$(1)/description +$(call KernelPackage/$(1)/description) + endef + endif + + ifdef KernelPackage/$(1)/config + define Package/kmod-$(1)/config +$(call KernelPackage/$(1)/config) + endef + endif + + $(call KernelPackage/depends) + + ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),) + ifneq ($(strip $(FILES)),) + define Package/kmod-$(1)/install + mkdir -p $$(1)/$(MODULES_SUBDIR) + $(CP) -L $$(FILES) $$(1)/$(MODULES_SUBDIR)/ + $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD)) + $(call KernelPackage/$(1)/install,$$(1)) + endef + endif + $(if $(CONFIG_PACKAGE_kmod-$(1)), + else + compile: kmod-$(1)-unavailable + kmod-$(1)-unavailable: + @echo "WARNING: kmod-$(1) is not available in the kernel config" + ) + endif + $$(eval $$(call BuildPackage,kmod-$(1))) + + $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES)) +endef + +define AutoLoad + add_module "$(1)" "$(2)" "$(3)"; +endef + +version_field=$(if $(word $(1),$(2)),$(word $(1),$(2)),0) +kernel_version_merge=$$(( ($(call version_field,1,$(1)) << 24) + ($(call version_field,2,$(1)) << 16) + ($(call version_field,3,$(1)) << 8) + $(call version_field,4,$(1)) )) + +ifdef DUMP + kernel_version_cmp= +else + kernel_version_cmp=$(shell [ $(call kernel_version_merge,$(call split_version,$(2))) $(1) $(call kernel_version_merge,$(call split_version,$(3))) ] && echo 1 ) +endif + +CompareKernelPatchVer=$(if $(call kernel_version_cmp,-$(2),$(1),$(3)),1,0) + +kernel_patchver_gt=$(call kernel_version_cmp,-gt,$(KERNEL_PATCHVER),$(1)) +kernel_patchver_ge=$(call kernel_version_cmp,-ge,$(KERNEL_PATCHVER),$(1)) +kernel_patchver_eq=$(call kernel_version_cmp,-eq,$(KERNEL_PATCHVER),$(1)) +kernel_patchver_le=$(call kernel_version_cmp,-lt,$(KERNEL_PATCHVER),$(1)) +kernel_patchver_lt=$(call kernel_version_cmp,-le,$(KERNEL_PATCHVER),$(1)) +