X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/96a116341a30bce09a7d4a45e37a02e07412f543..7e8a82eecb90480309dfcdd689257684ca2b86d7:/include/kernel-build.mk diff --git a/include/kernel-build.mk b/include/kernel-build.mk index 0f29a306b..e3e446ba5 100644 --- a/include/kernel-build.mk +++ b/include/kernel-build.mk @@ -1,132 +1,121 @@ -# -# 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 += $(KERNEL_IPKG) - -$(TARGETS): $(PACKAGE_DIR) - -$(PACKAGE_DIR): - mkdir -p $@ +include $(INCLUDE_DIR)/host.mk +include $(INCLUDE_DIR)/prereq.mk -$(DL_DIR)/$(LINUX_SOURCE): - -mkdir -p $(DL_DIR) - $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE) +ifneq ($(DUMP),1) + all: compile +endif -$(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE) +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 + +define BuildKernel + $(if $(QUILT),$(Build/Quilt)) + $(if $(LINUX_SITE),$(call Download,kernel)) + + $(STAMP_PREPARED): $(DL_DIR)/$(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,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile - PATH="$(TARGET_PATH)" $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(TARGET_CC)" ARCH=$(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: $(LINUX_DIR)/.patched - PATH="$(TARGET_PATH)" $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(TARGET_CC)" ARCH=$(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_CONFIG) $(GENERIC_LINUX_CONFIG) $(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) + touch $$@ + + mostlyclean: FORCE + $(Kernel/Clean) + + define BuildKernel + endef + + download: $(DL_DIR)/$(LINUX_SOURCE) + prepare: $(STAMP_CONFIGURED) + compile: $(LINUX_DIR)/.modules + $(MAKE) -C image compile TARGET_BUILD= + + oldconfig menuconfig: $(STAMP_PREPARED) $(STAMP_CHECKED) FORCE + [ -e "$(LINUX_CONFIG)" ] || touch "$(LINUX_CONFIG)" + $(LINUX_CONFCMD) > $(LINUX_DIR)/.config + touch $(LINUX_CONFIG) + $(_SINGLE)$(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $$@ + $(SCRIPT_DIR)/kconfig.pl '>' $(GENERIC_LINUX_CONFIG) $(LINUX_DIR)/.config > $(if $(LINUX_SUBCONFIG),$(LINUX_SUBCONFIG),$(LINUX_CONFIG)) + $(Kernel/Configure) + + 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: $(LINUX_DIR)/.linux-compile pkg-install ramdisk-config - PATH="$(TARGET_PATH)" $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(TARGET_CC)" ARCH=$(LINUX_KARCH) - -$(LINUX_KERNEL): $(LINUX_DIR)/vmlinux - PATH="$(TARGET_PATH)" $(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $< $@ - touch -c $(LINUX_KERNEL) - -$(LINUX_DIR)/.modules_done: - rm -rf $(KERNEL_BUILD_DIR)/modules - PATH="$(TARGET_PATH)" $(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(TARGET_CC)" ARCH=$(LINUX_KARCH) modules - PATH="$(TARGET_PATH)" $(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(TARGET_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: - 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 - -download: $(DL_DIR)/$(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