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diff --git a/cirros-testvm/src-cirros/buildroot-2015.05/fs/cpio/cpio.mk b/cirros-testvm/src-cirros/buildroot-2015.05/fs/cpio/cpio.mk
new file mode 100644
index 0000000..e82167e
--- /dev/null
+++ b/cirros-testvm/src-cirros/buildroot-2015.05/fs/cpio/cpio.mk
@@ -0,0 +1,42 @@
+################################################################################
+#
+# cpio to archive target filesystem
+#
+################################################################################
+
+ifeq ($(BR2_ROOTFS_DEVICE_CREATION_STATIC),y)
+
+define ROOTFS_CPIO_ADD_INIT
+	if [ ! -e $(TARGET_DIR)/init ]; then \
+		ln -sf sbin/init $(TARGET_DIR)/init; \
+	fi
+endef
+
+else
+# devtmpfs does not get automounted when initramfs is used.
+# Add a pre-init script to mount it before running init
+define ROOTFS_CPIO_ADD_INIT
+	if [ ! -e $(TARGET_DIR)/init ]; then \
+		$(INSTALL) -m 0755 fs/cpio/init $(TARGET_DIR)/init; \
+	fi
+endef
+
+PACKAGES_PERMISSIONS_TABLE += /dev/console c 622 0 0 5 1 - - -$(sep)
+
+endif # BR2_ROOTFS_DEVICE_CREATION_STATIC
+
+ROOTFS_CPIO_PRE_GEN_HOOKS += ROOTFS_CPIO_ADD_INIT
+
+define ROOTFS_CPIO_CMD
+	cd $(TARGET_DIR) && find . | cpio --quiet -o -H newc > $@
+endef
+
+$(BINARIES_DIR)/rootfs.cpio.uboot: $(BINARIES_DIR)/rootfs.cpio host-uboot-tools
+	$(MKIMAGE) -A $(MKIMAGE_ARCH) -T ramdisk \
+		-C none -d $<$(ROOTFS_CPIO_COMPRESS_EXT) $@
+
+ifeq ($(BR2_TARGET_ROOTFS_CPIO_UIMAGE),y)
+ROOTFS_CPIO_POST_TARGETS += $(BINARIES_DIR)/rootfs.cpio.uboot
+endif
+
+$(eval $(call ROOTFS_TARGET,cpio))