X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=blobdiff_plain;f=include%2Fkernel-defaults.mk;h=f0618633b292c1a7a1f809819a388a799ab61cfd;hp=8ad31dd73aa16bb14a13ff72a9c3d36b36a3eba7;hb=855d210f656961cb989c2741748942414dbdefb7;hpb=b729d41d64a360ad4082c7a1e20a74d8c1c9e62e diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk index 8ad31dd73a..f0618633b2 100644 --- a/include/kernel-defaults.mk +++ b/include/kernel-defaults.mk @@ -1,18 +1,10 @@ # -# Copyright (C) 2006-2011 OpenWrt.org +# Copyright (C) 2006-2015 OpenWrt.org # # This is free software, licensed under the GNU General Public License v2. # See /LICENSE for more information. # -KERNEL_MAKEOPTS := -C $(LINUX_DIR) \ - HOSTCFLAGS="$(HOST_CFLAGS) -Wall -Wmissing-prototypes -Wstrict-prototypes" \ - CROSS_COMPILE="$(KERNEL_CROSS)" \ - ARCH="$(LINUX_KARCH)" \ - KBUILD_HAVE_NLS=no \ - CONFIG_SHELL="$(BASH)" \ - $(if $(findstring c,$(OPENWRT_VERBOSE)),V=1,V='') - ifdef CONFIG_STRIP_KERNEL_EXPORTS KERNEL_MAKEOPTS += \ EXTRA_LDSFLAGS="-I$(KERNEL_BUILD_DIR) -include symtab.h" @@ -28,23 +20,18 @@ export HOST_EXTRACFLAGS=-I$(STAGING_DIR_HOST)/include # defined in quilt.mk Kernel/Patch:=$(Kernel/Patch/Default) + ifeq ($(strip $(CONFIG_EXTERNAL_KERNEL_TREE)),"") ifeq ($(strip $(CONFIG_KERNEL_GIT_CLONE_URI)),"") define Kernel/Prepare/Default xzcat $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS) $(Kernel/Patch) - touch $(LINUX_DIR)/.quilt_used + $(if $(QUILT),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 + define Kernel/Prepare/Default + xzcat $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS) + endef endif else define Kernel/Prepare/Default @@ -71,6 +58,7 @@ ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y) endif define Kernel/SetInitramfs + rm -f $(LINUX_DIR)/.config.prev mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old $(call Kernel/SetInitramfs/PreConfigure) echo 'CONFIG_INITRAMFS_ROOT_UID=$(shell id -u)' >> $(LINUX_DIR)/.config @@ -81,45 +69,83 @@ ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y) 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)" >> $(LINUX_DIR)/.config echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_XZ),CONFIG_INITRAMFS_COMPRESSION_XZ=y\nCONFIG_RD_XZ=y,# CONFIG_INITRAMFS_COMPRESSION_XZ is not set\n# CONFIG_RD_XZ is not set)" >> $(LINUX_DIR)/.config + echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZ4),CONFIG_INITRAMFS_COMPRESSION_LZ4=y\nCONFIG_RD_LZ4=y,# CONFIG_INITRAMFS_COMPRESSION_LZ4 is not set\n# CONFIG_RD_LZ4 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 +define Kernel/SetNoInitramfs + mv $(LINUX_DIR)/.config.set $(LINUX_DIR)/.config.old + grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config.set + echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config.set +endef + define Kernel/Configure/Default + rm -f $(LINUX_DIR)/localversion $(LINUX_CONF_CMD) > $(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_KALLSYMS_UNCOMPRESSED is not set" >> $(LINUX_DIR)/.config.target - echo "# CONFIG_KPROBES 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) + echo "CONFIG_KALLSYMS_UNCOMPRESSED=y" >> $(LINUX_DIR)/.config.target + $(SCRIPT_DIR)/package-metadata.pl kconfig $(TMP_DIR)/.packageinfo $(TOPDIR)/.config $(KERNEL_PATCHVER) > $(LINUX_DIR)/.config.override + $(SCRIPT_DIR)/kconfig.pl 'm+' '+' $(LINUX_DIR)/.config.target /dev/null $(LINUX_DIR)/.config.override > $(LINUX_DIR)/.config.set + $(call Kernel/SetNoInitramfs) rm -rf $(KERNEL_BUILD_DIR)/modules - [ -d $(LINUX_DIR)/user_headers ] || $(MAKE) $(KERNEL_MAKEOPTS) INSTALL_HDR_PATH=$(LINUX_DIR)/user_headers headers_install - $(SH_FUNC) grep '=[ym]' $(LINUX_DIR)/.config | LC_ALL=C sort | md5s > $(LINUX_DIR)/.vermagic + cmp -s $(LINUX_DIR)/.config.set $(LINUX_DIR)/.config.prev || { \ + cp $(LINUX_DIR)/.config.set $(LINUX_DIR)/.config; \ + cp $(LINUX_DIR)/.config.set $(LINUX_DIR)/.config.prev; \ + } + $(_SINGLE) [ -d $(LINUX_DIR)/user_headers ] || $(KERNEL_MAKE) INSTALL_HDR_PATH=$(LINUX_DIR)/user_headers headers_install + grep '=[ym]' $(LINUX_DIR)/.config.set | LC_ALL=C sort | mkhash md5 > $(LINUX_DIR)/.vermagic +endef + +define Kernel/Configure/Initramfs + $(call Kernel/SetInitramfs) endef define Kernel/CompileModules/Default rm -f $(LINUX_DIR)/vmlinux $(LINUX_DIR)/System.map - +$(MAKE) $(KERNEL_MAKEOPTS) modules + +$(KERNEL_MAKE) modules endef OBJCOPY_STRIP = -R .reginfo -R .notes -R .note -R .comment -R .mdebug -R .note.gnu.build-id +# AMD64 shares the location with x86 +ifeq ($(LINUX_KARCH),x86_64) +IMAGES_DIR:=../../x86/boot +endif + +define Kernel/CopyImage + cmp -s $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).debug || { \ + $(KERNEL_CROSS)objcopy -O binary $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)$(1); \ + $(KERNEL_CROSS)objcopy $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).elf; \ + $(CP) $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).debug; \ + $(foreach k, \ + $(if $(KERNEL_IMAGES),$(KERNEL_IMAGES),$(filter-out vmlinux dtbs,$(KERNELNAME))), \ + $(CP) $(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/$(IMAGES_DIR)/$(k) $(KERNEL_BUILD_DIR)/$(k)$(1); \ + ) \ + } +endef + define Kernel/CompileImage/Default - $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),,rm -f $(TARGET_DIR)/init) - +$(MAKE) $(KERNEL_MAKEOPTS) $(subst ",,$(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 + rm -f $(TARGET_DIR)/init + +$(KERNEL_MAKE) $(if $(KERNELNAME),$(KERNELNAME),all) modules + $(call Kernel/CopyImage) +endef + +ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),) +define Kernel/CompileImage/Initramfs + $(call Kernel/Configure/Initramfs) + $(CP) $(GENERIC_PLATFORM_DIR)/other-files/init $(TARGET_DIR)/init + rm -rf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/usr/initramfs_data.cpio* + +$(KERNEL_MAKE) $(if $(KERNELNAME),$(KERNELNAME),all) modules + $(call Kernel/CopyImage,-initramfs) endef +else +define Kernel/CompileImage/Initramfs +endef +endif define Kernel/Clean/Default rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.configured