--include $(INCLUDE_DIR)/modules-$(KERNEL).mk
+#
+# Copyright (C) 2006 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+KERNEL_BUILD:=1
+
+include $(INCLUDE_DIR)/host.mk
+include $(INCLUDE_DIR)/kernel.mk
LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
-LINUX_SITE=http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
+LINUX_SITE:=http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
http://www.kernel.org/pub/linux/kernel/v$(KERNEL) \
http://www.de.kernel.org/pub/linux/kernel/v$(KERNEL)
-KERNEL_IDIR:=$(KERNEL_BUILD_DIR)/kernel-ipkg
-KERNEL_IPKG:=$(KERNEL_BUILD_DIR)/kernel_$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)_$(ARCH).ipk
-TARGETS += $(KERNEL_IPKG)
-INSTALL_TARGETS += $(KERNEL_IPKG)
+LINUX_CONFIG:=./config
-$(TARGETS): $(PACKAGE_DIR)
+ifneq (,$(findstring uml,$(BOARD)))
+ LINUX_KARCH:=um
+else
+ LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
+ -e 's/mipsel/mips/' \
+ -e 's/mipseb/mips/' \
+ -e 's/powerpc/ppc/' \
+ -e 's/sh[234]/sh/' \
+ -e 's/armeb/arm/' \
+ )
+endif
-$(LINUX_DIR):
- mkdir -p $@
+KERNELNAME=
+ifneq (,$(findstring x86,$(BOARD)))
+ KERNELNAME="bzImage"
+endif
+ifneq (,$(findstring ppc,$(BOARD)))
+ KERNELNAME="uImage"
+endif
-$(PACKAGE_DIR):
- mkdir -p $@
-$(DL_DIR)/$(LINUX_SOURCE):
- -mkdir -p $(DL_DIR)
- $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE)
+define Kernel/Prepare/Default
+ bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
+ [ -d ../generic-$(KERNEL)/patches ] && $(PATCH) $(LINUX_DIR) ../generic-$(KERNEL)/patches
+ [ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches
+endef
+define Kernel/Prepare
+ $(call Kernel/Prepare/Default)
+endef
-$(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE)
- -mkdir -p $(KERNEL_BUILD_DIR)
- bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS) -
- touch $@
-
-ifeq ($(KERNEL),2.4)
-$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched
- $(SED) "s,^CROSS_COMPILE.*,CROSS_COMPILE=$(KERNEL_CROSS),g;" \
- $(LINUX_DIR)/Makefile \
- $(LINUX_DIR)/arch/*/Makefile
- $(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
- $(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_KARCH) oldconfig include/linux/compile.h include/linux/version.h
- touch $@
-$(LINUX_DIR)/.depend_done: $(LINUX_DIR)/.configured
+define Kernel/Configure/2.4
+ $(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
+ $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) oldconfig include/linux/compile.h include/linux/version.h
$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) dep
- touch $@
+endef
+define Kernel/Configure/2.6
+ $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) oldconfig prepare scripts
+endef
+define Kernel/Configure/Default
+ @$(CP) $(LINUX_CONFIG) $(LINUX_DIR)/.config
+ $(call Kernel/Configure/$(KERNEL))
+endef
+define Kernel/Configure
+ $(call Kernel/Configure/Default)
+endef
-$(LINUX_DIR)/vmlinux: $(LINUX_DIR)/.depend_done
-else
-$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched
- $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) oldconfig prepare scripts
- touch $@
-endif
-ramdisk-config: $(LINUX_DIR)/.configured FORCE
- mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
- grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
-ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
- echo 'CONFIG_INITRAMFS_SOURCE="../../root"' >> $(LINUX_DIR)/.config
- echo 'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR)/.config
- echo 'CONFIG_INITRAMFS_ROOT_GID=0' >> $(LINUX_DIR)/.config
- mkdir -p $(BUILD_DIR)/root/etc/init.d
- $(CP) ../generic-2.6/files/init $(BUILD_DIR)/root/
-else
- rm -f $(BUILD_DIR)/root/init $(BUILD_DIR)/root/etc/init.d/S00initramfs
- echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
-endif
+define Kernel/CompileModules/Default
+ $(MAKE) -j$(CONFIG_JLEVEL) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) modules
+ $(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) DEPMOD=true INSTALL_MOD_PATH=$(KERNEL_BUILD_DIR)/modules modules_install
+endef
+define Kernel/CompileModules
+ $(call Kernel/CompileModules/Default)
+endef
-$(LINUX_DIR)/vmlinux: $(STAMP_DIR)/.linux-compile pkg-install ramdisk-config
- $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) PATH=$(TARGET_PATH)
-$(LINUX_KERNEL): $(LINUX_DIR)/vmlinux
- $(TARGET_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $< $@
- touch -c $(LINUX_KERNEL)
+ifeq ($(KERNEL),2.6)
+ ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
+ define Kernel/SetInitramfs
+ mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
+ grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
+ echo 'CONFIG_INITRAMFS_SOURCE="../../root"' >> $(LINUX_DIR)/.config
+ echo 'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR)/.config
+ echo 'CONFIG_INITRAMFS_ROOT_GID=0' >> $(LINUX_DIR)/.config
+ mkdir -p $(BUILD_DIR)/root/etc/init.d
+ $(CP) ../generic-2.6/files/init $(BUILD_DIR)/root/
+ endef
+ else
+ define Kernel/SetInitramfs
+ mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
+ grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
+ rm -f $(BUILD_DIR)/root/init $(BUILD_DIR)/root/etc/init.d/S00initramfs
+ echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
+ endef
+ endif
+endif
+define Kernel/CompileImage/Default
+ $(call Kernel/SetInitramfs)
+ $(MAKE) -j$(CONFIG_JLEVEL) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) $(KERNELNAME)
+ $(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
+endef
+define Kernel/CompileImage
+ $(call Kernel/CompileImage/Default)
+endef
-$(LINUX_DIR)/.modules_done:
- rm -rf $(KERNEL_BUILD_DIR)/modules
- $(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) PATH="$(TARGET_PATH)" modules
- $(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" DEPMOD=true INSTALL_MOD_PATH=$(KERNEL_BUILD_DIR)/modules modules_install
- touch $(LINUX_DIR)/.modules_done
+define Kernel/Clean/Default
+ rm -f $(LINUX_DIR)/.linux-compile
+ rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.configured
+ rm -f $(LINUX_KERNEL)
+ $(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
+endef
-modules: $(LINUX_DIR)/.modules_done
-packages: $(TARGETS)
+define Kernel/Clean
+ $(call Kernel/Clean/Default)
+endef
-$(STAMP_DIR)/.linux-compile:
- @$(MAKE) modules
- @$(MAKE) packages
- ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
- touch $@
-
-$(KERNEL_IPKG):
- rm -rf $(KERNEL_IDIR)
- mkdir -p $(KERNEL_IDIR)/etc
- $(SCRIPT_DIR)/make-ipkg-dir.sh $(KERNEL_IDIR) ../control/kernel.control $(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE) $(ARCH)
- if [ -f ./config/$(BOARD).modules ]; then \
- cp ./config/$(BOARD).modules $(KERNEL_IDIR)/etc/modules; \
- fi
- $(IPKG_BUILD) $(KERNEL_IDIR) $(KERNEL_BUILD_DIR)
+define BuildKernel
+ ifneq ($(LINUX_SITE),)
+ $(DL_DIR)/$(LINUX_SOURCE):
+ -mkdir -p $(DL_DIR)
+ $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE)
+ endif
-$(TOPDIR)/.kernel.mk:
- echo "BOARD:=$(BOARD)" > $@
- echo "LINUX_VERSION:=$(LINUX_VERSION)" >> $@
- echo "LINUX_RELEASE:=$(LINUX_RELEASE)" >> $@
+ $(LINUX_DIR)/.prepared: $(DL_DIR)/$(LINUX_SOURCE)
+ -rm -rf $(KERNEL_BUILD_DIR)
+ -mkdir -p $(KERNEL_BUILD_DIR)
+ $(call Kernel/Prepare)
+ touch $$@
-pkg-install: FORCE
- @{ [ "$(INSTALL_TARGETS)" != "" ] && $(IPKG) install $(INSTALL_TARGETS) || true; }
+ $(LINUX_DIR)/.configured: $(LINUX_DIR)/.prepared $(LINUX_CONFIG)
+ $(call Kernel/Configure)
+ touch $$@
-source: $(DL_DIR)/$(LINUX_SOURCE)
-prepare: $(LINUX_DIR)/.configured
- @mkdir -p $(STAMP_DIR) $(PACKAGE_DIR)
+ $(LINUX_DIR)/.modules: $(LINUX_DIR)/.configured
+ rm -rf $(KERNEL_BUILD_DIR)/modules
+ @rm -f $(BUILD_DIR)/linux
+ ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
+ $(call Kernel/CompileModules)
+ touch $$@
+
+ $(LINUX_DIR)/.image: $(LINUX_DIR)/.configured FORCE
+ $(call Kernel/CompileImage)
+ touch $$@
+
+ mostlyclean: FORCE
+ $(call Kernel/Clean)
+
+ define BuildKernel
+ endef
+endef
-compile: prepare $(STAMP_DIR)/.linux-compile
-install: compile $(LINUX_KERNEL)
+download: $(DL_DIR)/$(LINUX_SOURCE)
+prepare: $(LINUX_DIR)/.configured $(TOPDIR)/.kernel.mk
+compile: $(LINUX_DIR)/.modules
+install: $(LINUX_DIR)/.image
-mostlyclean: FORCE
+clean: FORCE
rm -f $(STAMP_DIR)/.linux-compile
- rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.modules_done
- rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.drivers-unpacked
- $(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
- rm -f $(LINUX_KERNEL)
+ rm -rf $(KERNEL_BUILD_DIR)
rebuild: FORCE
- -$(MAKE) mostlyclean
- if [ -f $(LINUX_KERNEL) ]; then \
+ @$(MAKE) mostlyclean
+ @if [ -f $(LINUX_KERNEL) ]; then \
$(MAKE) clean; \
fi
- $(MAKE) compile $(MAKE_TRACE)
-
-clean: FORCE
- rm -f $(STAMP_DIR)/.linux-compile
- rm -rf $(KERNEL_BUILD_DIR)
- rm -f $(TARGETS)
-
-
-define AutoLoad
-add_module $(1) "$(2)";
-endef
-
-define KernelPackage/Defaults
- VERSION:=$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)
- DEPENDS:=
- MAINTAINER:=OpenWrt Developers Team <openwrt-devel@openwrt.org>
- SOURCE:=$(patsubst $(TOPDIR)/%,%,${shell pwd})
- PKGARCH:=$(ARCH)
- PRIORITY:=optional
- KCONFIG:=
- FILES:=
- BUILD:=
- MODULES:=
- TITLE:=
- DESCRIPTION:=
-endef
+ @$(MAKE) compile
-define KernelPackage
- NAME:=$(1)
- $(eval $(call KernelPackage/Defaults))
- $(eval $(call KernelPackage/$(1)))
- $(eval $(call KernelPackage/$(1)/$(KERNEL)))
-
- PKG_$(1) := $(PACKAGE_DIR)/kmod-$(1)_$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)_$(ARCH).ipk
- I_$(1) := $(KMOD_BUILD_DIR)/ipkg/$(1)
-
- IDEPEND_$(1):='kernel ($(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE))' $(DEPENDS)
-
- ifeq ($$(strip $(KCONFIG)),)
- KDEPEND_$(1):=m
- else
- KDEPEND_$(1):=$($(KCONFIG))
- endif
- ifeq ($$(KDEPEND_$(1)),m)
- ifneq ($(CONFIG_PACKAGE_kmod-$(1)),)
- packages: $$(PKG_$(1))
- endif
- ifeq ($(CONFIG_PACKAGE_kmod-$(1)),y)
- install-kmod-$(1): FORCE
- $(IPKG) install $$(PKG_$(1))
- pkg-install: install-kmod-$(1)
- endif
- endif
-
- $$(PKG_$(1)): $(LINUX_DIR)/.modules_done
- rm -rf $$(I_$(1))
- install -d -m0755 $$(I_$(1))/CONTROL
- echo "Package: kmod-$(1)" > $$(I_$(1))/CONTROL/control
- echo "Version: $(VERSION)" >> $$(I_$(1))/CONTROL/control
- ( \
- DEPENDS=; \
- for depend in $$(filter-out @%,$$(IDEPEND_$(1))); do \
- DEPENDS=$$$${DEPENDS:+$$$$DEPENDS, }$$$${depend##+}; \
- done; \
- echo "Depends: $$$$DEPENDS" >> $$(I_$(1))/CONTROL/control; \
- )
- echo "Source: $(SOURCE)" >> $$(I_$(1))/CONTROL/control
- echo "Section: kernel" >> $$(I_$(1))/CONTROL/control
- echo "Priority: $(PRIORITY)" >> $$(I_$(1))/CONTROL/control
- echo "Maintainer: $(MAINTAINER)" >> $$(I_$(1))/CONTROL/control
- echo "Architecture: $(PKGARCH)" >> $$(I_$(1))/CONTROL/control
- echo "Description: $(DESCRIPTION)" | sed -e 's,\\,\n ,g' >> $$(I_$(1))/CONTROL/control
- ifneq ($(strip $(FILES)),)
- mkdir -p $$(I_$(1))/lib/modules/$(LINUX_VERSION)
- $(CP) $(FILES) $$(I_$(1))/lib/modules/$(LINUX_VERSION)/
- endif
- ifneq ($(MODULES),)
- export modules=; \
- add_module() { \
- mkdir -p $$(I_$(1))/etc/modules.d; \
- echo "$$$$2" > $$(I_$(1))/etc/modules.d/$$$$1-$(1); \
- modules="$$$${modules:+$$$$modules }$$$$1-$(1)"; \
- }; \
- $(MODULES) \
- mkdir -p $$(I_$(1))/etc/modules.d; \
- 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 $$$$modules" >> $$(I_$(1))/CONTROL/postinst; \
- chmod 0755 $$(I_$(1))/CONTROL/postinst;
- endif
- $(IPKG_BUILD) $$(I_$(1)) $(PACKAGE_DIR)
-endef
+$(TOPDIR)/.kernel.mk: Makefile
+ echo "CONFIG_BOARD:=$(BOARD)" > $@
+ echo "CONFIG_KERNEL:=$(KERNEL)" >> $@
+ echo "CONFIG_LINUX_VERSION:=$(LINUX_VERSION)" >> $@
+ echo "CONFIG_LINUX_RELEASE:=$(LINUX_RELEASE)" >> $@
+ echo "CONFIG_LINUX_KARCH:=$(LINUX_KARCH)" >> $@
--include $(INCLUDE_DIR)/modules.mk
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