diff options
Diffstat (limited to 'include/kernel-build.mk')
| -rw-r--r-- | include/kernel-build.mk | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/include/kernel-build.mk b/include/kernel-build.mk new file mode 100644 index 0000000000..5544a82e37 --- /dev/null +++ b/include/kernel-build.mk @@ -0,0 +1,145 @@ +# +# Copyright (C) 2006 OpenWrt.org +# +# This is free software, licensed under the GNU General Public License v2. +# See /LICENSE for more information. +# +include $(INCLUDE_DIR)/host.mk +-include $(INCLUDE_DIR)/modules-$(KERNEL).mk + +LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2 +LINUX_SITE=http://www.us.kernel.org/pub/linux/kernel/v$(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 += $(KERNEL_IPKG) + +LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \ + -e 's/mipsel/mips/' \ + -e 's/mipseb/mips/' \ + -e 's/powerpc/ppc/' \ + -e 's/sh[234]/sh/' \ + -e 's/armeb/arm/' \ +) + + +$(TARGETS): $(PACKAGE_DIR) + +$(PACKAGE_DIR): + mkdir -p $@ + +$(DL_DIR)/$(LINUX_SOURCE): + -mkdir -p $(DL_DIR) + $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE) + +$(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,\-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 + touch $@ + +$(LINUX_DIR)/.depend_done: $(LINUX_DIR)/.configured + $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) dep + touch $@ + +$(LINUX_DIR)/vmlinux: $(LINUX_DIR)/.depend_done +else +$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched + $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(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=""' >> $(LINUX_DIR)/.config +endif + +$(LINUX_DIR)/vmlinux: $(LINUX_DIR)/.linux-compile pkg-install ramdisk-config + $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) $(KERNELNAME) + +$(LINUX_KERNEL): $(LINUX_DIR)/vmlinux + $(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $< $@ + touch -c $(LINUX_KERNEL) + +$(LINUX_DIR)/.modules_done: + rm -rf $(KERNEL_BUILD_DIR)/modules + $(MAKE) -C "$(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 + touch $(LINUX_DIR)/.modules_done + +modules: $(LINUX_DIR)/.modules_done +packages: $(TARGETS) + +$(LINUX_DIR)/.linux-compile: + @rm -f $(BUILD_DIR)/linux + ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux + @$(MAKE) modules + 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) $(KERNEL_BUILD_DIR) + +$(TOPDIR)/.kernel.mk: $(TOPDIR)/target/linux/$(BOARD)-$(KERNEL)/Makefile + echo "CONFIG_BOARD:=$(BOARD)" > $@ + echo "CONFIG_KERNEL:=$(KERNEL)" >> $@ + echo "CONFIG_LINUX_VERSION:=$(LINUX_VERSION)" >> $@ + echo "CONFIG_LINUX_RELEASE:=$(LINUX_RELEASE)" >> $@ + echo "CONFIG_LINUX_KARCH:=$(LINUX_KARCH)" >> $@ + +pkg-install: FORCE + @for pkg in $(INSTALL_TARGETS); do \ + $(IPKG) install $$pkg || echo; \ + done + +download: $(DL_DIR)/$(LINUX_SOURCE) +prepare: $(LINUX_DIR)/.configured + @mkdir -p $(LINUX_DIR) $(PACKAGE_DIR) + +compile: prepare $(LINUX_DIR)/.linux-compile + @$(MAKE) packages + +install: compile $(LINUX_KERNEL) + +mostlyclean: FORCE + rm -f $(LINUX_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 $(LINUX_KERNEL) + +rebuild: FORCE + -$(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) + |