X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/d895ddd832c3cd3b0007c276b1969d6e524d0d47..062a258f588a3eea1f4d2154069828cce77e55bf:/include/kernel-defaults.mk diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk index 69ff8fa6f..300139cab 100644 --- a/include/kernel-defaults.mk +++ b/include/kernel-defaults.mk @@ -1,4 +1,4 @@ -# +# # Copyright (C) 2006-2007 OpenWrt.org # # This is free software, licensed under the GNU General Public License v2. @@ -12,9 +12,6 @@ endif ifneq (,$(findstring rdc,$(BOARD))) KERNELNAME="bzImage" endif -ifneq (,$(findstring ppc,$(BOARD))) - KERNELNAME="uImage" -endif ifneq (,$(findstring avr32,$(BOARD))) KERNELNAME="uImage" endif @@ -22,8 +19,14 @@ endif KERNEL_MAKEOPTS := -C $(LINUX_DIR) \ CROSS_COMPILE="$(KERNEL_CROSS)" \ ARCH="$(LINUX_KARCH)" \ + KBUILD_HAVE_NLS=no \ CONFIG_SHELL="$(BASH)" +ifdef CONFIG_STRIP_KERNEL_EXPORTS + KERNEL_MAKEOPTS += \ + EXTRA_LDSFLAGS="-I$(KERNEL_BUILD_DIR) -include symtab.h" +endif + INITRAMFS_EXTRA_FILES ?= $(GENERIC_PLATFORM_DIR)/image/initramfs-base-files.txt ifneq (,$(KERNEL_CC)) @@ -32,62 +35,101 @@ endif # defined in quilt.mk Kernel/Patch:=$(Kernel/Patch/Default) -define Kernel/Prepare/Default +ifeq ($(strip $(CONFIG_EXTERNAL_KERNEL_TREE)),"") + ifeq ($(strip $(CONFIG_KERNEL_GIT_CLONE_URI)),"") + define Kernel/Prepare/Default bzcat $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS) $(Kernel/Patch) - $(if $(QUILT),touch $(LINUX_DIR)/.quilt_used) -endef - -define Kernel/Configure/2.4 - $(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile - $(MAKE) $(KERNEL_MAKEOPTS) oldconfig include/linux/compile.h include/linux/version.h - $(MAKE) $(KERNEL_MAKEOPTS) dep -endef -define Kernel/Configure/2.6 - -$(MAKE) $(KERNEL_MAKEOPTS) oldconfig prepare scripts -endef -define Kernel/Configure/Default - $(LINUX_CONFCMD) > $(LINUX_DIR)/.config.target - $(SCRIPT_DIR)/metadata.pl kconfig $(TMP_DIR)/.packageinfo $(TOPDIR)/.config > $(LINUX_DIR)/.config.override - $(SCRIPT_DIR)/kconfig.pl 'm+' $(LINUX_DIR)/.config.target $(LINUX_DIR)/.config.override > $(LINUX_DIR)/.config - $(call Kernel/Configure/$(KERNEL)) - rm -rf $(KERNEL_BUILD_DIR)/modules -endef - -define Kernel/CompileModules/Default - rm -f $(LINUX_DIR)/vmlinux $(LINUX_DIR)/System.map - $(MAKE) $(KERNEL_MAKEOPTS) modules -endef + touch $(LINUX_DIR)/.quilt_used + endef + else + ifeq ($(strip $(CONFIG_KERNEL_GIT_LOCAL_REPOSITORY)),"") +define Kernel/Prepare/Default + git clone $(CONFIG_KERNEL_GIT_CLONE_URI) $(LINUX_DIR) + endef + else + define Kernel/Prepare/Default + git clone --reference $(CONFIG_KERNEL_GIT_LOCAL_REPOSITORY) $(CONFIG_KERNEL_GIT_CLONE_URI) $(LINUX_DIR) + endef + endif +endif +else + define Kernel/Prepare/Default + mkdir -p $(KERNEL_BUILD_DIR) + if [ -d $(LINUX_DIR) ]; then \ + rmdir $(LINUX_DIR); \ + fi + ln -s $(CONFIG_EXTERNAL_KERNEL_TREE) $(LINUX_DIR) + endef +endif ifeq ($(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 + grep -v -e INITRAMFS -e CONFIG_RD_ -e CONFIG_BLK_DEV_INITRD $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config + echo 'CONFIG_BLK_DEV_INITRD=y' >> $(LINUX_DIR)/.config echo 'CONFIG_INITRAMFS_SOURCE="$(strip $(TARGET_DIR) $(INITRAMFS_EXTRA_FILES))"' >> $(LINUX_DIR)/.config echo 'CONFIG_INITRAMFS_ROOT_UID=$(shell id -u)' >> $(LINUX_DIR)/.config echo 'CONFIG_INITRAMFS_ROOT_GID=$(shell id -g)' >> $(LINUX_DIR)/.config + echo "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_NONE),CONFIG_INITRAMFS_COMPRESSION_NONE=y,# CONFIG_INITRAMFS_COMPRESSION_NONE is not set)" >> $(LINUX_DIR)/.config + echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_GZIP),CONFIG_INITRAMFS_COMPRESSION_GZIP=y\nCONFIG_RD_GZIP=y,# CONFIG_INITRAMFS_COMPRESSION_GZIP is not set\n# CONFIG_RD_GZIP is not set)" >> $(LINUX_DIR)/.config + echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_BZIP2),CONFIG_INITRAMFS_COMPRESSION_BZIP2=y\nCONFIG_RD_BZIP2=y,# CONFIG_INITRAMFS_COMPRESSION_BZIP2 is not set\n# CONFIG_RD_BZIP2 is not set)" >> $(LINUX_DIR)/.config + echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZMA),CONFIG_INITRAMFS_COMPRESSION_LZMA=y\nCONFIG_RD_LZMA=y,# CONFIG_INITRAMFS_COMPRESSION_LZMA is not set\n# CONFIG_RD_LZMA is not set)" >> $(LINUX_DIR)/.config + echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZO),CONFIG_INITRAMFS_COMPRESSION_LZO=y\nCONFIG_RD_LZO=y,# CONFIG_INITRAMFS_COMPRESSION_LZO is not set\n# CONFIG_RD_LZO is not set)" >> $(LINUX_DIR)/.config 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 $(TARGET_DIR)/init echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config endef endif endif -define Kernel/CompileImage/Default + +define Kernel/Configure/2.4 + $(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile + $(_SINGLE)$(MAKE) $(KERNEL_MAKEOPTS) oldconfig include/linux/compile.h include/linux/version.h + $(_SINGLE)$(MAKE) $(KERNEL_MAKEOPTS) dep +endef +define Kernel/Configure/2.6 + -$(_SINGLE)$(MAKE) $(KERNEL_MAKEOPTS) oldconfig prepare scripts +endef +define Kernel/Configure/Default + $(LINUX_CONFCMD) > $(LINUX_DIR)/.config.target + echo "$(if $(CONFIG_KERNEL_KALLSYMS),CONFIG_KALLSYMS=y,# CONFIG_KALLSYMS is not set)" >> $(LINUX_DIR)/.config.target + echo "$(if $(CONFIG_KERNEL_PROFILING),CONFIG_PROFILING=y,# CONFIG_PROFILING is not set)" >> $(LINUX_DIR)/.config.target + echo "$(if $(CONFIG_KERNEL_DEBUG_FS),CONFIG_DEBUG_FS=y,# CONFIG_DEBUG_FS is not set)" >> $(LINUX_DIR)/.config.target + echo "# CONFIG_KALLSYMS_EXTRA_PASS is not set" >> $(LINUX_DIR)/.config.target + echo "# CONFIG_KALLSYMS_ALL is not set" >> $(LINUX_DIR)/.config.target + echo "# CONFIG_KPROBES is not set" >> $(LINUX_DIR)/.config.target + $(SED) 's,.*CONFIG_AEABI.*,$(if $(CONFIG_EABI_SUPPORT),CONFIG_AEABI=y,# CONFIG_AEABI is not set),' $(LINUX_DIR)/.config.target + $(if $(CONFIG_EABI_SUPPORT),echo '# CONFIG_OABI_COMPAT is not set' >> $(LINUX_DIR)/.config.target) + $(SCRIPT_DIR)/metadata.pl kconfig $(TMP_DIR)/.packageinfo $(TOPDIR)/.config > $(LINUX_DIR)/.config.override + $(SCRIPT_DIR)/kconfig.pl 'm+' '+' $(LINUX_DIR)/.config.target /dev/null $(LINUX_DIR)/.config.override > $(LINUX_DIR)/.config $(call Kernel/SetInitramfs) - $(MAKE) $(KERNEL_MAKEOPTS) $(KERNELNAME) - $(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL) - $(KERNEL_CROSS)objcopy -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux.elf + $(call Kernel/Configure/$(KERNEL)) + rm -rf $(KERNEL_BUILD_DIR)/modules +endef + +define Kernel/CompileModules/Default + rm -f $(LINUX_DIR)/vmlinux $(LINUX_DIR)/System.map + +$(MAKE) $(KERNEL_MAKEOPTS) modules +endef + +OBJCOPY_STRIP = -R .reginfo -R .notes -R .note -R .comment -R .mdebug -R .note.gnu.build-id + +define Kernel/CompileImage/Default + $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),,rm -f $(TARGET_DIR)/init) + +$(MAKE) $(KERNEL_MAKEOPTS) $(KERNELNAME) + $(KERNEL_CROSS)objcopy -O binary $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL) + $(KERNEL_CROSS)objcopy $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux.elf endef define Kernel/Clean/Default rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.configured rm -f $(LINUX_KERNEL) - $(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean + $(_SINGLE)$(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean endef