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Code

cleanup/rewrite of the kernel build process

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5226 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2006-10-19 06:20:55 +00:00
parent 87a3aa153c
commit 043ac6c8ed
17 changed files with 140 additions and 186 deletions
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188
include/kernel-build.mk
View File

@ -10,11 +10,13 @@ include $(INCLUDE_DIR)/host.mk
include $(INCLUDE_DIR)/kernel.mk
LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
LINUX_SITE=http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
LINUX_SITE:=http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
http://www.kernel.org/pub/linux/kernel/v$(KERNEL) \
http://www.de.kernel.org/pub/linux/kernel/v$(KERNEL)
LINUX_CONFIG:=./config
ifneq (,$(findstring uml,$(BOARD)))
LINUX_KARCH:=um
else
@ -36,93 +38,139 @@ ifneq (,$(findstring ppc,$(BOARD)))
endif
$(DL_DIR)/$(LINUX_SOURCE):
-mkdir -p $(DL_DIR)
$(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE)
$(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE)
-mkdir -p $(KERNEL_BUILD_DIR)
define Kernel/Prepare/Default
bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
touch $@
[ -d ../generic-$(KERNEL)/patches ] && $(PATCH) $(LINUX_DIR) ../generic-$(KERNEL)/patches
[ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches
endef
define Kernel/Prepare
$(call Kernel/Prepare/Default)
endef
ifeq ($(KERNEL),2.4)
$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched $(LINUX_DIR)/.config
define Kernel/Configure/2.4
$(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) oldconfig include/linux/compile.h include/linux/version.h
touch $@
$(LINUX_DIR)/.depend_done: $(LINUX_DIR)/.configured
$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) dep
touch $@
$(LINUX_DIR)/vmlinux: $(LINUX_DIR)/.depend_done
else
$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched
endef
define Kernel/Configure/2.6
$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) oldconfig prepare scripts
touch $@
endif
endef
define Kernel/Configure/Default
@$(CP) $(LINUX_CONFIG) $(LINUX_DIR)/.config
$(call Kernel/Configure/$(KERNEL))
endef
define Kernel/Configure
$(call Kernel/Configure/Default)
endef
ramdisk-config: $(LINUX_DIR)/.configured FORCE
mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
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-2.6/files/init $(BUILD_DIR)/root/
else
rm -f $(BUILD_DIR)/root/init $(BUILD_DIR)/root/etc/init.d/S00initramfs
echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
endif
$(LINUX_DIR)/vmlinux: ramdisk-config
$(MAKE) -j$(CONFIG_JLEVEL) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) $(KERNELNAME)
$(LINUX_KERNEL): $(LINUX_DIR)/vmlinux
$(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $< $@
touch -c $(LINUX_KERNEL)
$(LINUX_DIR)/.modules_done: $(LINUX_DIR)/.config
rm -rf $(KERNEL_BUILD_DIR)/modules
define Kernel/CompileModules/Default
$(MAKE) -j$(CONFIG_JLEVEL) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) modules
$(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) DEPMOD=true INSTALL_MOD_PATH=$(KERNEL_BUILD_DIR)/modules modules_install
touch $(LINUX_DIR)/.modules_done
endef
define Kernel/CompileModules
$(call Kernel/CompileModules/Default)
endef
$(LINUX_DIR)/.linux-compile: $(LINUX_DIR)/.modules_done
ifeq ($(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-2.6/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
endif
define Kernel/CompileImage/Default
$(call Kernel/SetInitramfs)
$(MAKE) -j$(CONFIG_JLEVEL) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) $(KERNELNAME)
$(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
endef
define Kernel/CompileImage
$(call Kernel/CompileImage/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)
$(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
endef
define Kernel/Clean
$(call Kernel/Clean/Default)
endef
define BuildKernel
ifneq ($(LINUX_SITE),)
$(DL_DIR)/$(LINUX_SOURCE):
-mkdir -p $(DL_DIR)
$(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE)
endif
$(LINUX_DIR)/.prepared: $(DL_DIR)/$(LINUX_SOURCE)
-rm -rf $(KERNEL_BUILD_DIR)
-mkdir -p $(KERNEL_BUILD_DIR)
$(call Kernel/Prepare)
touch $$@
$(LINUX_DIR)/.configured: $(LINUX_DIR)/.prepared $(LINUX_CONFIG)
$(call Kernel/Configure)
touch $$@
$(LINUX_DIR)/.modules: $(LINUX_DIR)/.configured
rm -rf $(KERNEL_BUILD_DIR)/modules
@rm -f $(BUILD_DIR)/linux
ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
touch $@
$(call Kernel/CompileModules)
touch $$@
$(TOPDIR)/.kernel.mk: $(TOPDIR)/target/linux/$(BOARD)-$(KERNEL)/Makefile
$(LINUX_DIR)/.image: $(LINUX_DIR)/.configured FORCE
$(call Kernel/CompileImage)
touch $$@
mostlyclean: FORCE
$(call Kernel/Clean)
define BuildKernel
endef
endef
download: $(DL_DIR)/$(LINUX_SOURCE)
prepare: $(LINUX_DIR)/.configured $(TOPDIR)/.kernel.mk
compile: $(LINUX_DIR)/.modules
install: $(LINUX_DIR)/.image
clean: FORCE
rm -f $(STAMP_DIR)/.linux-compile
rm -rf $(KERNEL_BUILD_DIR)
rebuild: FORCE
@$(MAKE) mostlyclean
@if [ -f $(LINUX_KERNEL) ]; then \
$(MAKE) clean; \
fi
@$(MAKE) compile
$(TOPDIR)/.kernel.mk: Makefile
echo "CONFIG_BOARD:=$(BOARD)" > $@
echo "CONFIG_KERNEL:=$(KERNEL)" >> $@
echo "CONFIG_LINUX_VERSION:=$(LINUX_VERSION)" >> $@
echo "CONFIG_LINUX_RELEASE:=$(LINUX_RELEASE)" >> $@
echo "CONFIG_LINUX_KARCH:=$(LINUX_KARCH)" >> $@
download: $(DL_DIR)/$(LINUX_SOURCE)
prepare: $(LINUX_DIR)/.configured
@mkdir -p $(LINUX_DIR)
compile: prepare $(LINUX_DIR)/.linux-compile
install: compile $(LINUX_KERNEL)
mostlyclean: FORCE
rm -f $(LINUX_DIR)/.linux-compile
rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.modules_done
rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.drivers-unpacked
$(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
rm -f $(LINUX_KERNEL)
rebuild: FORCE
-$(MAKE) mostlyclean
if [ -f $(LINUX_KERNEL) ]; then \
$(MAKE) clean; \
fi
$(MAKE) compile $(MAKE_TRACE)
clean: FORCE
rm -f $(STAMP_DIR)/.linux-compile
rm -rf $(KERNEL_BUILD_DIR)

9
include/kernel.mk
View File

@ -18,12 +18,11 @@ else
LINUX_VERSION:=$(CONFIG_LINUX_VERSION)
LINUX_RELEASE:=$(CONFIG_LINUX_RELEASE)
LINUX_KARCH:=$(CONFIG_LINUX_KARCH)
else
# oops, old .kernel.config; rebuild it (hiding the misleading errors this produces)
$(warning rebuilding .kernel.mk)
$(TOPDIR)/.kernel.mk: FORCE
else
ifneq ($(KERNEL_BUILD),1)
$(TOPDIR)/.kernel.mk:
# oops, old .kernel.config; rebuild it (hiding the misleading errors this produces)
$(warning rebuilding .kernel.mk)
$(TOPDIR)/.kernel.mk: FORCE
@$(MAKE) -C $(TOPDIR)/target/linux/$(BOARD)-$(KERNEL) $@ &>/dev/null
endif
endif

1
target/linux/Makefile
View File

@ -11,7 +11,6 @@ download:
$(MAKE) -C $(BOARD)-$(KERNEL) download
prepare:
rm -f $(TOPDIR)/.kernel.mk
$(MAKE) -C $(BOARD)-$(KERNEL) prepare
compile:

9
target/linux/ar531x-2.4/Makefile
View File

@ -10,12 +10,5 @@ LINUX_VERSION:=2.4.32
LINUX_RELEASE:=1
LINUX_KERNEL_MD5SUM:=38f4d0830e95a20f4bfed17622d5557c
include ./config
include $(INCLUDE_DIR)/kernel-build.mk
$(LINUX_DIR)/.patched: $(LINUX_DIR)/.unpacked
[ -d ../generic-$(KERNEL)/patches ] && $(PATCH) $(LINUX_DIR) ../generic-$(KERNEL)/patches
[ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches
@$(CP) config $(LINUX_DIR)/.config
touch $@
$(eval $(call BuildKernel))

9
target/linux/ar7-2.4/Makefile
View File

@ -10,12 +10,5 @@ LINUX_VERSION:=2.4.32
LINUX_RELEASE:=1
LINUX_KERNEL_MD5SUM:=38f4d0830e95a20f4bfed17622d5557c
include ./config
include $(INCLUDE_DIR)/kernel-build.mk
$(LINUX_DIR)/.patched: $(LINUX_DIR)/.unpacked
[ -d ../generic-$(KERNEL)/patches ] && $(PATCH) $(LINUX_DIR) ../generic-$(KERNEL)/patches
[ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches
@$(CP) config $(LINUX_DIR)/.config
touch $@
$(eval $(call BuildKernel))

9
target/linux/aruba-2.6/Makefile
View File

@ -10,12 +10,5 @@ LINUX_VERSION:=2.6.17
LINUX_RELEASE:=1
LINUX_KERNEL_MD5SUM:=37ddefe96625502161f075b9d907f21e
include ./config
include $(INCLUDE_DIR)/kernel-build.mk
$(LINUX_DIR)/.patched: $(LINUX_DIR)/.unpacked
[ -d ../generic-$(KERNEL)/patches ] && $(PATCH) $(LINUX_DIR) ../generic-$(KERNEL)/patches $(MAKE_TRACE)
[ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches $(MAKE_TRACE)
@$(CP) config $(LINUX_DIR)/.config
touch $@
$(eval $(call BuildKernel))

14
target/linux/au1000-2.6/Makefile
View File

@ -10,17 +10,13 @@ LINUX_VERSION:=2.6.17
LINUX_RELEASE:=1
LINUX_KERNEL_MD5SUM:=37ddefe96625502161f075b9d907f21e
include ./config
include $(INCLUDE_DIR)/kernel-build.mk
$(LINUX_DIR)/.patched: $(LINUX_DIR)/.unpacked
[ -d ../generic-$(KERNEL)/patches ] && $(PATCH) $(LINUX_DIR) ../generic-$(KERNEL)/patches
[ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches
@$(CP) config $(LINUX_DIR)/.config
touch $@
$(LINUX_BUILD_DIR)/zImage.flash.srec: $(LINUX_DIR)/vmlinux
define Kernel/BuildImage
$(call Kernel/BuildImage/Default)
$(CP) $(LINUX_DIR)/arch/mips/boot/compressed/images/zImage.flash.srec $(LINUX_DIR)/zImage.flash.srec
$(CP) $(LINUX_DIR)/arch/mips/boot/compressed/images/zImage.srec $(LINUX_DIR)/zImage.srec
endef
$(eval $(call BuildKernel))
compile: $(LINUX_BUILD_DIR)/zImage.flash.srec

9
target/linux/brcm-2.4/Makefile
View File

@ -10,12 +10,5 @@ LINUX_VERSION:=2.4.32
LINUX_RELEASE:=1
LINUX_KERNEL_MD5SUM:=38f4d0830e95a20f4bfed17622d5557c
include ./config
include $(INCLUDE_DIR)/kernel-build.mk
$(LINUX_DIR)/.patched: $(LINUX_DIR)/.unpacked
[ -d ../generic-$(KERNEL)/patches ] && $(PATCH) $(LINUX_DIR) ../generic-$(KERNEL)/patches
[ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches
@$(CP) config $(LINUX_DIR)/.config
touch $@
$(eval $(call BuildKernel))

9
target/linux/brcm-2.6/Makefile
View File

@ -10,13 +10,6 @@ LINUX_VERSION:=2.6.17
LINUX_RELEASE:=1
LINUX_KERNEL_MD5SUM:=37ddefe96625502161f075b9d907f21e
include ./config
include $(INCLUDE_DIR)/kernel-build.mk
$(LINUX_DIR)/.patched: $(LINUX_DIR)/.unpacked
[ -d ../generic-$(KERNEL)/patches ] && $(PATCH) $(LINUX_DIR) ../generic-$(KERNEL)/patches $(MAKE_TRACE)
[ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches $(MAKE_TRACE)
@$(CP) config $(LINUX_DIR)/.config
touch $@
$(eval $(call BuildKernel))

10
target/linux/brcm63xx-2.6/Makefile
View File

@ -10,13 +10,5 @@ LINUX_VERSION:=2.6.17
LINUX_RELEASE:=1
LINUX_KERNEL_MD5SUM:=37ddefe96625502161f075b9d907f21e
include ./config
include $(INCLUDE_DIR)/kernel-build.mk
$(LINUX_DIR)/.patched: $(LINUX_DIR)/.unpacked
[ -d ../generic-$(KERNEL)/patches ] && $(PATCH) $(LINUX_DIR) ../generic-$(KERNEL)/patches $(MAKE_TRACE)
[ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches $(MAKE_TRACE)
@$(CP) config $(LINUX_DIR)/.config
touch $@
$(eval $(call BuildKernel))

9
target/linux/magicbox-2.6/Makefile
View File

@ -10,12 +10,5 @@ LINUX_VERSION:=2.6.17
LINUX_RELEASE:=1
LINUX_KERNEL_MD5SUM:=37ddefe96625502161f075b9d907f21e
include ./config
include $(INCLUDE_DIR)/kernel-build.mk
$(LINUX_DIR)/.patched: $(LINUX_DIR)/.unpacked
[ -d ../generic-$(KERNEL)/patches ] && $(PATCH) $(LINUX_DIR) ../generic-$(KERNEL)/patches $(MAKE_TRACE)
[ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches $(MAKE_TRACE)
@$(CP) config $(LINUX_DIR)/.config
touch $@
$(eval $(call BuildKernel))

9
target/linux/rb532-2.6/Makefile
View File

@ -10,12 +10,5 @@ LINUX_VERSION:=2.6.17
LINUX_RELEASE:=1
LINUX_KERNEL_MD5SUM:=37ddefe96625502161f075b9d907f21e
include ./config
include $(INCLUDE_DIR)/kernel-build.mk
$(LINUX_DIR)/.patched: $(LINUX_DIR)/.unpacked
[ -d ../generic-$(KERNEL)/patches ] && $(PATCH) $(LINUX_DIR) ../generic-$(KERNEL)/patches
[ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches
@$(CP) config $(LINUX_DIR)/.config
touch $@
$(eval $(call BuildKernel))

8
target/linux/rdc-2.6/Makefile
View File

@ -10,11 +10,5 @@ LINUX_VERSION:=2.6.17
LINUX_RELEASE:=1
LINUX_KERNEL_MD5SUM:=37ddefe96625502161f075b9d907f21e
include ./config
include $(INCLUDE_DIR)/kernel-build.mk
$(LINUX_DIR)/.patched: $(LINUX_DIR)/.unpacked
[ -d ../generic-$(KERNEL)/patches ] && $(PATCH) $(LINUX_DIR) ../generic-$(KERNEL)/patches
[ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches
@$(CP) config $(LINUX_DIR)/.config
touch $@
$(eval $(call BuildKernel))

9
target/linux/sibyte-2.6/Makefile
View File

@ -10,12 +10,5 @@ LINUX_VERSION:=2.6.17
LINUX_RELEASE:=1
LINUX_KERNEL_MD5SUM:=37ddefe96625502161f075b9d907f21e
include ./config
include $(INCLUDE_DIR)/kernel-build.mk
$(LINUX_DIR)/.patched: $(LINUX_DIR)/.unpacked
[ -d ../generic-$(KERNEL)/patches ] && $(PATCH) $(LINUX_DIR) ../generic-$(KERNEL)/patches
[ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches
@$(CP) config $(LINUX_DIR)/.config
touch $@
$(eval $(call BuildKernel))

8
target/linux/uml-2.6/Makefile
View File

@ -10,11 +10,5 @@ LINUX_VERSION:=2.6.17
LINUX_RELEASE:=1
LINUX_KERNEL_MD5SUM:=37ddefe96625502161f075b9d907f21e
include ./config
include $(INCLUDE_DIR)/kernel-build.mk
$(LINUX_DIR)/.patched: $(LINUX_DIR)/.unpacked
[ -d ../generic-$(KERNEL)/patches ] && $(PATCH) $(LINUX_DIR) ../generic-$(KERNEL)/patches
[ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches
@$(CP) config $(LINUX_DIR)/.config
touch $@
$(eval $(call BuildKernel))

8
target/linux/x86-2.6/Makefile
View File

@ -10,11 +10,5 @@ LINUX_VERSION:=2.6.17
LINUX_RELEASE:=1
LINUX_KERNEL_MD5SUM:=37ddefe96625502161f075b9d907f21e
include ./config
include $(INCLUDE_DIR)/kernel-build.mk
$(LINUX_DIR)/.patched: $(LINUX_DIR)/.unpacked
[ -d ../generic-$(KERNEL)/patches ] && $(PATCH) $(LINUX_DIR) ../generic-$(KERNEL)/patches
[ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches
@$(CP) config $(LINUX_DIR)/.config
touch $@
$(eval $(call BuildKernel))

8
target/linux/xscale-2.6/Makefile
View File

@ -10,11 +10,5 @@ LINUX_VERSION:=2.6.17
LINUX_RELEASE:=1
LINUX_KERNEL_MD5SUM:=37ddefe96625502161f075b9d907f21e
include ./config
include $(INCLUDE_DIR)/kernel-build.mk
$(LINUX_DIR)/.patched: $(LINUX_DIR)/.unpacked
[ -d ../generic-$(KERNEL)/patches ] && $(PATCH) $(LINUX_DIR) ../generic-$(KERNEL)/patches
[ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches
@$(CP) config $(LINUX_DIR)/.config
touch $@
$(eval $(call BuildKernel))