X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=blobdiff_plain;f=include%2Fkernel-defaults.mk;h=406fd46343271df27e9e5cc9e9e58f243eb1cee3;hp=f0639e39fe27f5e9d979fa04e7675c6a2e93cb9f;hb=c4ae33b0488a37267e6ae24abb5726ee31fc05bd;hpb=18441c327ad0995d62da0a115c230bc67a0fe8e5 diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk index f0639e39fe..406fd46343 100644 --- a/include/kernel-defaults.mk +++ b/include/kernel-defaults.mk @@ -1,26 +1,25 @@ -# -# Copyright (C) 2006-2007 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. # -KERNELNAME= -ifneq (,$(findstring x86,$(BOARD))) - KERNELNAME="bzImage" -endif -ifneq (,$(findstring rdc,$(BOARD))) - KERNELNAME="bzImage" -endif -ifneq (,$(findstring avr32,$(BOARD))) - KERNELNAME="uImage" -endif - 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="$(BASH)" + KBUILD_BUILD_USER="$(call qstrip,$(CONFIG_KERNEL_BUILD_USER))" \ + KBUILD_BUILD_HOST="$(call qstrip,$(CONFIG_KERNEL_BUILD_DOMAIN))" \ + CONFIG_SHELL="$(BASH)" \ + $(if $(findstring c,$(OPENWRT_VERBOSE)),V=1,V='') \ + $(if $(PKG_BUILD_ID),LDFLAGS_MODULE=--build-id=0x$(PKG_BUILD_ID)) + +ifdef CONFIG_STRIP_KERNEL_EXPORTS + KERNEL_MAKEOPTS += \ + EXTRA_LDSFLAGS="-I$(KERNEL_BUILD_DIR) -include symtab.h" +endif INITRAMFS_EXTRA_FILES ?= $(GENERIC_PLATFORM_DIR)/image/initramfs-base-files.txt @@ -28,26 +27,36 @@ ifneq (,$(KERNEL_CC)) KERNEL_MAKEOPTS += CC="$(KERNEL_CC)" endif +ifdef CONFIG_USE_SPARSE + KERNEL_MAKEOPTS += C=1 CHECK=$(STAGING_DIR_HOST)/bin/sparse +endif + +export HOST_EXTRACFLAGS=-I$(STAGING_DIR_HOST)/include + # defined in quilt.mk Kernel/Patch:=$(Kernel/Patch/Default) + +KERNEL_GIT_OPTS:= +ifneq ($(strip $(CONFIG_KERNEL_GIT_LOCAL_REPOSITORY)),"") + KERNEL_GIT_OPTS+=--reference $(CONFIG_KERNEL_GIT_LOCAL_REPOSITORY) +endif + +ifneq ($(strip $(CONFIG_KERNEL_GIT_BRANCH)),"") + KERNEL_GIT_OPTS+=--branch $(CONFIG_KERNEL_GIT_BRANCH) +endif + ifeq ($(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) + xzcat $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS) $(Kernel/Patch) 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) + git clone $(KERNEL_GIT_OPTS) $(CONFIG_KERNEL_GIT_CLONE_URI) $(LINUX_DIR) endef endif -endif else define Kernel/Prepare/Default mkdir -p $(KERNEL_BUILD_DIR) @@ -58,44 +67,64 @@ else endef endif -ifeq ($(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 > $(LINUX_DIR)/.config - echo 'CONFIG_INITRAMFS_SOURCE="$(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)' >> $(LINUX_DIR)/.config +ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y) + ifeq ($(strip $(CONFIG_EXTERNAL_CPIO)),"") + define Kernel/SetInitramfs/PreConfigure + 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 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 + define Kernel/SetInitramfs/PreConfigure + grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config + echo 'CONFIG_INITRAMFS_SOURCE="$(call qstrip,$(CONFIG_EXTERNAL_CPIO))"' >> $(LINUX_DIR)/.config endef 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)' >> $(LINUX_DIR)/.config + echo 'CONFIG_INITRAMFS_ROOT_GID=$(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)" >> $(LINUX_DIR)/.config + echo -e "$(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 endif -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 +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 - $(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 + $(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_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 $(LINUX_DIR)/.config.override > $(LINUX_DIR)/.config - $(call Kernel/SetInitramfs) - $(call Kernel/Configure/$(KERNEL)) + echo "CONFIG_KALLSYMS_UNCOMPRESSED=y" >> $(LINUX_DIR)/.config.target + $(SCRIPT_DIR)/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 + 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 ] || $(MAKE) $(KERNEL_MAKEOPTS) INSTALL_HDR_PATH=$(LINUX_DIR)/user_headers headers_install + $(SH_FUNC) grep '=[ym]' $(LINUX_DIR)/.config.set | LC_ALL=C sort | md5s > $(LINUX_DIR)/.vermagic +endef + +define Kernel/Configure/Initramfs + $(call Kernel/SetInitramfs) endef define Kernel/CompileModules/Default @@ -103,15 +132,44 @@ define Kernel/CompileModules/Default +$(MAKE) $(KERNEL_MAKEOPTS) modules endef -OBJCOPY_STRIP = -R .reginfo -R .note -R .comment -R .mdebug -R .note.gnu.build-id +OBJCOPY_STRIP = -R .reginfo -R .notes -R .note -R .comment -R .mdebug -R .note.gnu.build-id + +# AMD64 shares the location with x86 +ifeq ($(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),$(filter-out dtbs,$(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) $(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 $(TARGET_DIR)/init + +$(MAKE) $(KERNEL_MAKEOPTS) $(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)/base-files/init $(TARGET_DIR)/init + rm -rf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/usr/initramfs_data.cpio* + +$(MAKE) $(KERNEL_MAKEOPTS) $(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 rm -f $(LINUX_KERNEL)