X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/b06792774410b020e2e75b88ec82d9305517aa66..dbf062aadfe81c54bfa147d21fe9ce83c5b7702b:/include/kernel-defaults.mk

diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk
index 7e475660a..9223e8413 100644
--- a/include/kernel-defaults.mk
+++ b/include/kernel-defaults.mk
@@ -1,102 +1,112 @@
-# 
-# Copyright (C) 2006-2007 OpenWrt.org
+#
+# Copyright (C) 2006-2011 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
+KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
+	CROSS_COMPILE="$(KERNEL_CROSS)" \
+	ARCH="$(LINUX_KARCH)" \
+	KBUILD_HAVE_NLS=no \
+	CONFIG_SHELL="$(BASH)"
 
-# Additional packages for Linux 2.6
-ifneq ($(KERNEL),2.4)
-  DEFAULT_PACKAGES += udevtrigger hotplug2
+ifdef CONFIG_STRIP_KERNEL_EXPORTS
+  KERNEL_MAKEOPTS += \
+	EXTRA_LDSFLAGS="-I$(KERNEL_BUILD_DIR) -include symtab.h"
 endif
 
-# Add device specific packages
-DEFAULT_PACKAGES += $(DEFAULT_PACKAGES.$(DEVICE_TYPE))
+INITRAMFS_EXTRA_FILES ?= $(GENERIC_PLATFORM_DIR)/image/initramfs-base-files.txt
 
-KERNELNAME=
-ifneq (,$(findstring x86,$(BOARD)))
-  KERNELNAME="bzImage"
-endif
-ifneq (,$(findstring rdc,$(BOARD)))
-  KERNELNAME="bzImage"
+ifneq (,$(KERNEL_CC))
+  KERNEL_MAKEOPTS += CC="$(KERNEL_CC)"
 endif
-ifneq (,$(findstring ppc,$(BOARD)))
-  KERNELNAME="uImage"
-endif
-ifneq (,$(findstring avr32,$(BOARD)))
-  KERNELNAME="uImage"
-endif
-
-KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
-	CROSS_COMPILE="$(KERNEL_CROSS)" \
-	ARCH="$(LINUX_KARCH)" \
-	CONFIG_SHELL="$(BASH)"
 
 # 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
-
-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
-endef
-define Kernel/Configure/Default
-	$(LINUX_CONFCMD) > $(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
-	$(call Kernel/Configure/$(KERNEL))
-	rm -rf $(KERNEL_BUILD_DIR)/modules
-endef
-
-define Kernel/CompileModules/Default
-	rm -f $(LINUX_DIR)/vmlinux $(LINUX_DIR)/System.map
-	$(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" modules
-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)
+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
+		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
-		rm -f $(TARGET_DIR)/init
 		echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
     endef
-  endif
 endif
-define Kernel/CompileImage/Default
+
+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
+	$(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)
-	$(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 $(KERNEL_BUILD_DIR)/vmlinux.elf
+	-$(_SINGLE)$(MAKE) $(KERNEL_MAKEOPTS) oldconfig prepare scripts
+	rm -rf $(KERNEL_BUILD_DIR)/modules
+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) $(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