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authorblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-10-05 10:12:53 +0000
committerblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-10-05 10:12:53 +0000
commit5c105d9f3fd086aff195d3849dcf847d6b0bd927 (patch)
tree1229a11f725bfa58aa7c57a76898553bb5f6654a /include/kernel-defaults.mk
downloadopenwrt-5c105d9f3fd086aff195d3849dcf847d6b0bd927.tar.gz
openwrt-5c105d9f3fd086aff195d3849dcf847d6b0bd927.zip
branch Attitude Adjustment
git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@33625 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'include/kernel-defaults.mk')
-rw-r--r--include/kernel-defaults.mk133
1 files changed, 133 insertions, 0 deletions
diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk
new file mode 100644
index 000000000..8075079d7
--- /dev/null
+++ b/include/kernel-defaults.mk
@@ -0,0 +1,133 @@
+#
+# Copyright (C) 2006-2011 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"
+endif
+
+INITRAMFS_EXTRA_FILES ?= $(GENERIC_PLATFORM_DIR)/image/initramfs-base-files.txt
+
+ifneq (,$(KERNEL_CC))
+ KERNEL_MAKEOPTS += CC="$(KERNEL_CC)"
+endif
+
+export HOST_EXTRACFLAGS=-I$(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
+ bzcat $(DL_DIR)/$(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)
+ 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) $(LINUX_DIR)
+ endef
+endif
+
+ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
+ ifeq ($(strip $(CONFIG_EXTERNAL_CPIO)),"")
+ 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)" >> $(LINUX_DIR)/.config
+ echo -e "$(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
+ endef
+ else
+ define Kernel/SetInitramfs
+ mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
+ grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
+ echo 'CONFIG_INITRAMFS_SOURCE="$(call qstrip,$(CONFIG_EXTERNAL_CPIO))"' >> $(LINUX_DIR)/.config
+ echo 'CONFIG_INITRAMFS_ROOT_UID=$(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)" >> $(LINUX_DIR)/.config
+ echo -e "$(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
+ endef
+ endif
+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/Configure/Default
+ $(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 /dev/null $(LINUX_DIR)/.config.override > $(LINUX_DIR)/.config
+ $(call Kernel/SetInitramfs)
+ 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
+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) $(subst ",,$(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
+endef
+
+define Kernel/Clean/Default
+ rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.configured
+ rm -f $(LINUX_KERNEL)
+ $(_SINGLE)$(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
+endef
+
+