X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/076aaa3fdacd8d2b4e4c12009464408564b31312..6b41b93bc5392ff632b68700d32f226f4dbc4c6f:/include/kernel-defaults.mk diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk index 40316e000..0969b844a 100644 --- a/include/kernel-defaults.mk +++ b/include/kernel-defaults.mk @@ -1,26 +1,10 @@ -# +# # Copyright (C) 2006-2007 OpenWrt.org # # This is free software, licensed under the GNU General Public License v2. # See /LICENSE for more information. # -# default device type -DEVICE_TYPE?=router - -# Default packages - the really basic set -DEFAULT_PACKAGES:=base-files libgcc uclibc busybox dropbear mtd mtd -# For router targets -DEFAULT_PACKAGES.router:=dnsmasq iptables ppp ppp-mod-pppoe iptables kmod-ipt-nathelper bridge - -# Additional packages for Linux 2.6 -ifneq ($(KERNEL),2.4) - DEFAULT_PACKAGES += udevtrigger hotplug2 -endif - -# Add device specific packages -DEFAULT_PACKAGES += $(DEFAULT_PACKAGES.$(DEVICE_TYPE)) - KERNELNAME= ifneq (,$(findstring x86,$(BOARD))) KERNELNAME="bzImage" @@ -28,9 +12,6 @@ endif ifneq (,$(findstring rdc,$(BOARD))) KERNELNAME="bzImage" endif -ifneq (,$(findstring ppc,$(BOARD))) - KERNELNAME="uImage" -endif ifneq (,$(findstring avr32,$(BOARD))) KERNELNAME="uImage" endif @@ -38,67 +19,116 @@ 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)) + KERNEL_MAKEOPTS += CC="$(KERNEL_CC)" +endif + # defined in quilt.mk Kernel/Patch:=$(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) -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 -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 + echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config + endef + endif +endif define Kernel/Configure/2.4 $(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile - $(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig include/linux/compile.h include/linux/version.h - $(MAKE) $(KERNEL_MAKEOPTS) dep + $(_SINGLE)$(MAKE) $(KERNEL_MAKEOPTS) oldconfig include/linux/compile.h include/linux/version.h + $(_SINGLE)$(MAKE) $(KERNEL_MAKEOPTS) dep endef define Kernel/Configure/2.6 - -$(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig prepare scripts + -$(_SINGLE)$(MAKE) $(KERNEL_MAKEOPTS) oldconfig prepare scripts endef define Kernel/Configure/Default $(LINUX_CONFCMD) > $(LINUX_DIR)/.config.target +# copy CONFIG_KERNEL_* settings over to .config.target + awk '/^(#[[:space:]]+)?CONFIG_KERNEL/{sub("CONFIG_KERNEL_","CONFIG_");print}' $(TOPDIR)/.config >> $(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 $(LINUX_DIR)/.config.override > $(LINUX_DIR)/.config + $(SCRIPT_DIR)/kconfig.pl 'm+' '+' $(LINUX_DIR)/.config.target /dev/null $(LINUX_DIR)/.config.override > $(LINUX_DIR)/.config + $(call Kernel/SetInitramfs) $(call Kernel/Configure/$(KERNEL)) rm -rf $(KERNEL_BUILD_DIR)/modules - @rm -f $(BUILD_DIR)/linux - ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux endef define Kernel/CompileModules/Default rm -f $(LINUX_DIR)/vmlinux $(LINUX_DIR)/System.map - $(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" modules + +$(MAKE) $(KERNEL_MAKEOPTS) modules endef -ifeq ($(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 > $(LINUX_DIR)/.config - echo 'CONFIG_INITRAMFS_SOURCE="$(TARGET_DIR)"' >> $(LINUX_DIR)/.config - echo 'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR)/.config - echo 'CONFIG_INITRAMFS_ROOT_GID=0' >> $(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 +OBJCOPY_STRIP = -R .reginfo -R .notes -R .note -R .comment -R .mdebug -R .note.gnu.build-id + define Kernel/CompileImage/Default - $(call Kernel/SetInitramfs) - $(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" $(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 + $(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