X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/7d1de255f4071b9a05b417fb737b484177d776d6..957731ef89fc1876a0ab8c56d50001011b20abb0:/include/kernel-build.mk?ds=sidebyside diff --git a/include/kernel-build.mk b/include/kernel-build.mk index 3fb96e100..cf8737c8e 100644 --- a/include/kernel-build.mk +++ b/include/kernel-build.mk @@ -1,135 +1,133 @@ -# -# Copyright (C) 2006 OpenWrt.org +# +# Copyright (C) 2006-2007 OpenWrt.org # # This is free software, licensed under the GNU General Public License v2. # See /LICENSE for more information. # --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) +include $(INCLUDE_DIR)/host.mk +include $(INCLUDE_DIR)/prereq.mk -$(TARGETS): $(PACKAGE_DIR) +ifneq ($(DUMP),1) + all: compile +endif -$(PACKAGE_DIR): - mkdir -p $@ +export QUILT=1 +STAMP_PREPARED:=$(LINUX_DIR)/.prepared +STAMP_CONFIGURED:=$(LINUX_DIR)/.configured +include $(INCLUDE_DIR)/download.mk +include $(INCLUDE_DIR)/quilt.mk +include $(INCLUDE_DIR)/kernel-defaults.mk + +define Kernel/Prepare + $(call Kernel/Prepare/Default) +endef + +define Kernel/Configure + $(call Kernel/Configure/Default) +endef + +define Kernel/CompileModules + $(call Kernel/CompileModules/Default) +endef + +define Kernel/CompileImage + $(call Kernel/CompileImage/Default) +endef + +define Kernel/Clean + $(call Kernel/Clean/Default) +endef + +define Download/kernel + URL:=$(LINUX_SITE) + FILE:=$(LINUX_SOURCE) + MD5SUM:=$(LINUX_KERNEL_MD5SUM) +endef + +ifdef CONFIG_COLLECT_KERNEL_DEBUG + define Kernel/CollectDebug + rm -rf $(KERNEL_BUILD_DIR)/debug + mkdir -p $(KERNEL_BUILD_DIR)/debug/modules + $(CP) $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/debug/ + -$(CP) \ + $(STAGING_DIR_ROOT)/lib/modules/$(LINUX_VERSION)/* \ + $(KERNEL_BUILD_DIR)/debug/modules/ + $(FIND) $(KERNEL_BUILD_DIR)/debug -type f | $(XARGS) $(KERNEL_CROSS)strip --only-keep-debug + $(TAR) c -C $(KERNEL_BUILD_DIR) debug | bzip2 -c -9 > $(BIN_DIR)/kernel-debug.tar.bz2 + endef +endif -$(DL_DIR)/$(LINUX_SOURCE): - -mkdir -p $(DL_DIR) - $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE) +define BuildKernel + $(if $(QUILT),$(Build/Quilt)) + $(if $(LINUX_SITE),$(call Download,kernel)) -$(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE) + $(STAMP_PREPARED): $(if $(LINUX_SITE),$(DL_DIR)/$(LINUX_SOURCE)) + -rm -rf $(KERNEL_BUILD_DIR) -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 - $(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)" ARCH=$(LINUX_KARCH) oldconfig prepare scripts - touch $@ -endif + $(Kernel/Prepare) + touch $$@ + + $(KERNEL_BUILD_DIR)/symtab.txt: FORCE + find $(LINUX_DIR) $(STAGING_DIR_ROOT)/lib/modules -name \*.ko | \ + xargs $(TARGET_CROSS)nm | \ + awk '$$$$1 == "U" { print $$$$2 } ' | \ + sort -u > $$@ + + $(KERNEL_BUILD_DIR)/symtab.h: $(KERNEL_BUILD_DIR)/symtab.txt + ( \ + echo '#define SYMTAB_KEEP \'; \ + cat $(KERNEL_BUILD_DIR)/symtab.txt | \ + awk '{print "*(__ksymtab." $$$$1 ") \\" }'; \ + echo; \ + echo '#define SYMTAB_KEEP_GPL \'; \ + cat $(KERNEL_BUILD_DIR)/symtab.txt | \ + awk '{print "*(__ksymtab_gpl." $$$$1 ") \\" }'; \ + echo; \ + echo '#define SYMTAB_KEEP_STR \'; \ + cat $(KERNEL_BUILD_DIR)/symtab.txt | \ + awk '{print "*(__ksymtab_strings." $$$$1 ") \\" }'; \ + echo; \ + ) > $$@ + + $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_KCONFIG_LIST) $(TOPDIR)/.config + $(Kernel/Configure) + touch $$@ + + $(LINUX_DIR)/.modules: $(STAMP_CONFIGURED) $(LINUX_DIR)/.config FORCE + $(Kernel/CompileModules) + touch $$@ + + $(LINUX_DIR)/.image: $(STAMP_CONFIGURED) $(if $(CONFIG_STRIP_KERNEL_EXPORTS),$(KERNEL_BUILD_DIR)/symtab.h) FORCE + $(Kernel/CompileImage) + $(Kernel/CollectDebug) + touch $$@ + + mostlyclean: FORCE + $(Kernel/Clean) + + define BuildKernel + endef + + download: $(DL_DIR)/$(LINUX_SOURCE) + prepare: $(STAMP_CONFIGURED) + compile: $(LINUX_DIR)/.modules + $(MAKE) -C image compile TARGET_BUILD= + + oldconfig menuconfig nconfig: $(STAMP_PREPARED) $(STAMP_CHECKED) FORCE + rm -f $(STAMP_CONFIGURED) + $(LINUX_RECONF_CMD) > $(LINUX_DIR)/.config + $(_SINGLE)$(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $$@ + $(LINUX_RECONF_DIFF) $(LINUX_DIR)/.config > $(LINUX_RECONFIG_TARGET) + + install: $(LINUX_DIR)/.image + +$(MAKE) -C image compile install TARGET_BUILD= + + clean: FORCE + rm -rf $(KERNEL_BUILD_DIR) -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=""' >> $(LINUX_DIR)/.config -endif + image-prereq: + @+$(NO_TRACE_MAKE) -s -C image prereq TARGET_BUILD= -$(LINUX_DIR)/vmlinux: $(LINUX_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 - $(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="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) PATH="$(TARGET_PATH)" modules - $(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(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: - ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux - @$(MAKE) modules - @$(MAKE) packages - 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: - echo "BOARD:=$(BOARD)" > $@ - echo "LINUX_VERSION:=$(LINUX_VERSION)" >> $@ - echo "LINUX_RELEASE:=$(LINUX_RELEASE)" >> $@ - -pkg-install: FORCE - @for pkg in $(INSTALL_TARGETS); do \ - $(IPKG) install $$pkg || echo; \ - done - -source: $(DL_DIR)/$(LINUX_SOURCE) -prepare: $(LINUX_DIR)/.configured - @mkdir -p $(LINUX_DIR) $(PACKAGE_DIR) - -compile: prepare $(LINUX_DIR)/.linux-compile - -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) + prereq: image-prereq +endef