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[openwrt.git] / include / kernel-defaults.mk

diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk
index b9231a9..5312ad4 100644 (file)
--- a/include/kernel-defaults.mk
+++ b/include/kernel-defaults.mk
@@ -1,16 +1,10 @@
-# 
+#

 # Copyright (C) 2006-2007 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
 
 # Copyright (C) 2006-2007 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
-endif
-

 KERNELNAME=
 ifneq (,$(findstring x86,$(BOARD)))
   KERNELNAME="bzImage"
 KERNELNAME=
 ifneq (,$(findstring x86,$(BOARD)))
   KERNELNAME="bzImage"


@@ -18,78 +12,113 @@ endif
 ifneq (,$(findstring rdc,$(BOARD)))
   KERNELNAME="bzImage"
 endif
 ifneq (,$(findstring rdc,$(BOARD)))
   KERNELNAME="bzImage"
 endif

-ifneq (,$(findstring ppc,$(BOARD)))
+ifneq (,$(findstring avr32,$(BOARD)))

   KERNELNAME="uImage"
 endif
 
 KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
        CROSS_COMPILE="$(KERNEL_CROSS)" \
        ARCH="$(LINUX_KARCH)" \
   KERNELNAME="uImage"
 endif
 
 KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
        CROSS_COMPILE="$(KERNEL_CROSS)" \
        ARCH="$(LINUX_KARCH)" \

+       KBUILD_HAVE_NLS=no \

        CONFIG_SHELL="$(BASH)"
 
        CONFIG_SHELL="$(BASH)"
 

-define Kernel/Prepare/Default
-       bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
-       if [ -d $(GENERIC_PLATFORM_DIR)/files ]; then $(CP) $(GENERIC_PLATFORM_DIR)/files/* $(LINUX_DIR)/; fi
-       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) $(LINUX_DIR) ./patches; fi
-endef
+ifdef CONFIG_STRIP_KERNEL_EXPORTS
+  KERNEL_MAKEOPTS += \
+       EXTRA_LDSFLAGS="-I$(KERNEL_BUILD_DIR) -include symtab.h"
+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
-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))
-       rm -rf $(KERNEL_BUILD_DIR)/modules
-       @rm -f $(BUILD_DIR)/linux
-       ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
-endef
+INITRAMFS_EXTRA_FILES ?= $(GENERIC_PLATFORM_DIR)/image/initramfs-base-files.txt

 
 

-define Kernel/CompileModules/Default
-       rm -f $(LINUX_DIR)/vmlinux $(LINUX_DIR)/System.map
-       $(MAKE) -j$(CONFIG_JLEVEL) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" modules
-endef
+ifneq (,$(KERNEL_CC))
+  KERNEL_MAKEOPTS += CC="$(KERNEL_CC)"
+endif

 
 

-ifeq ($(KERNEL),2.6)
-  ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
+# 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)

     define Kernel/SetInitramfs
                mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
     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
+               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

     endef
   else
     define Kernel/SetInitramfs
                mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
                grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(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 $(BUILD_DIR)/root/init

                echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
     endef
                echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
     endef

-  endif

 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
+       $(SED) 's,.*CONFIG_AEABI.*,$(if $(CONFIG_EABI_SUPPORT),CONFIG_AEABI=y,# CONFIG_AEABI is not set),' $(LINUX_DIR)/.config.target
+       $(if $(CONFIG_EABI_SUPPORT),echo '# CONFIG_OABI_COMPAT 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)
        $(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 $(KERNEL_BUILD_DIR)/vmlinux.elf
+       -$(_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
 endef
 
 define Kernel/Clean/Default

-       rm -f $(LINUX_DIR)/.linux-compile

        rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.configured
        rm -f $(LINUX_KERNEL)
        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
 
 
 endef