-#
-# 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.
#
-# For target profile selection - the default set
-DEFAULT_PACKAGES:=base-files libgcc uclibc bridge busybox dnsmasq dropbear iptables mtd ppp ppp-mod-pppoe mtd kmod-ipt-nathelper
-ifneq ($(KERNEL),2.4)
- DEFAULT_PACKAGES+=udevtrigger hotplug2
+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$(KERNEL_BUILD_DIR) -include symtab.h"
endif
-KERNELNAME=
-ifneq (,$(findstring x86,$(BOARD)))
- KERNELNAME="bzImage"
+INITRAMFS_EXTRA_FILES ?= $(GENERIC_PLATFORM_DIR)/image/initramfs-base-files.txt
+
+ifneq (,$(KERNEL_CC))
+ KERNEL_MAKEOPTS += CC="$(KERNEL_CC)"
endif
-ifneq (,$(findstring rdc,$(BOARD)))
- KERNELNAME="bzImage"
+
+ifdef CONFIG_USE_SPARSE
+ KERNEL_MAKEOPTS += C=1 CHECK=$(STAGING_DIR_HOST)/bin/sparse
endif
-ifneq (,$(findstring ppc,$(BOARD)))
- KERNELNAME="uImage"
+
+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
-KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
- CROSS_COMPILE="$(KERNEL_CROSS)" \
- ARCH="$(LINUX_KARCH)" \
- CONFIG_SHELL="$(BASH)"
+ifneq ($(strip $(CONFIG_KERNEL_GIT_BRANCH)),"")
+ KERNEL_GIT_OPTS+=--branch $(CONFIG_KERNEL_GIT_BRANCH)
+endif
-define Kernel/Prepare/Default
- bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
- if [ -d $(GENERIC_PLATFORM_DIR)/patches ]; then $(PATCH) $(LINUX_DIR) $(GENERIC_PLATFORM_DIR)/patches; fi
- if [ -d ./files ]; then $(CP) ./files/* $(LINUX_DIR)/; fi
- if [ -d ./patches ]; then $(PATCH) $(LINUX_DIR) ./patches; fi
-endef
+ifeq ($(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
+ endef
+ else
+ define Kernel/Prepare/Default
+ git clone $(KERNEL_GIT_OPTS) $(CONFIG_KERNEL_GIT_CLONE_URI) $(LINUX_DIR)
+ endef
+ 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
-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
-endef
-define Kernel/Configure/2.6
- $(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig prepare scripts
+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/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
+ 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/SetNoInitramfs
+ mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
+ grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
+ echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
endef
+
define Kernel/Configure/Default
- @if [ -f "./config/profile-$(PROFILE)" ]; then \
- $(SCRIPT_DIR)/config.pl '+' $(GENERIC_PLATFORM_DIR)/config-template '+' $(LINUX_CONFIG) ./config/profile-$(PROFILE) > $(LINUX_DIR)/.config; \
- else \
- $(SCRIPT_DIR)/config.pl '+' $(GENERIC_PLATFORM_DIR)/config-template $(LINUX_CONFIG) > $(LINUX_DIR)/.config; \
- fi
- $(call Kernel/Configure/$(KERNEL))
+ $(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
+ $(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
+ $(call Kernel/SetNoInitramfs)
rm -rf $(KERNEL_BUILD_DIR)/modules
- @rm -f $(BUILD_DIR)/linux
- ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
+ $(_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 | LC_ALL=C sort | md5s > $(LINUX_DIR)/.vermagic
+endef
+
+define Kernel/Configure/Initramfs
+ $(call Kernel/SetInitramfs)
endef
define Kernel/CompileModules/Default
- $(MAKE) -j$(CONFIG_JLEVEL) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" modules
+ rm -f $(LINUX_DIR)/vmlinux $(LINUX_DIR)/System.map
+ +$(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="../../root"' >> $(LINUX_DIR)/.config
- echo 'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR)/.config
- echo 'CONFIG_INITRAMFS_ROOT_GID=0' >> $(LINUX_DIR)/.config
- mkdir -p $(BUILD_DIR)/root/etc/init.d
- $(CP) $(GENERIC_PLATFORM_DIR)/files/init $(BUILD_DIR)/root/
- 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 $(BUILD_DIR)/root/init $(BUILD_DIR)/root/etc/init.d/S00initramfs
- echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
- endef
- endif
+OBJCOPY_STRIP = -R .reginfo -R .notes -R .note -R .comment -R .mdebug -R .note.gnu.build-id
+
+# AMD64 shares the location with x86
+ifeq ($(LINUX_KARCH),x86_64)
+IMAGES_DIR:=../../x86/boot
endif
+
+define Kernel/CopyImage
+ $(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.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
- $(call Kernel/SetInitramfs)
- $(MAKE) -j$(CONFIG_JLEVEL) $(KERNEL_MAKEOPTS) CC="$(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
+ 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 $(LINUX_DIR)/.linux-compile
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
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