adm8668: build gzip compressed uImage for testing

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31479 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/adm8668/image/Makefile

@@ -8,10 +8,27 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/image.mk
 
 VMLINUX:=$(BIN_DIR)/$(IMG_PREFIX)-vmlinux
+UIMAGE:=$(IMG_PREFIX)-uImage
 ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
 	VMLINUX:=$(BIN_DIR)/$(IMG_PREFIX)-vmlinux-initramfs
+	UIMAGE:=$(IMG_PREFIX)-uImage-initramfs
 endif
 
+define kernel_entry
+-a 0x80002000 -e 0x80002000
+endef
+
+
+define CompressGzip
+	gzip -9 -c $(1) > $(2)
+endef
+
+define MkImage
+	mkimage -A mips -O linux -T kernel  $(call kernel_entry) -C $(1) $(2) \
+		-n "ADM8668 Linux Kernel(2.4.31)" \
+		-d $(3) $(4)
+endef
+
 define Build/Clean
 	$(MAKE) -C lzma-loader clean
 endef
@@ -34,6 +51,8 @@ endef
 define Image/BuildKernel
 	cp $(KDIR)/vmlinux.elf $(VMLINUX).elf
 	cp $(KDIR)/vmlinux $(VMLINUX).bin
+	$(call CompressGzip,$(KDIR)/vmlinux,$(KDIR)/vmlinux.bin.gz)
+	$(call MkImage,gzip,,$(KDIR)/vmlinux.bin.gz,$(BIN_DIR)/$(UIMAGE)-gzip.bin)
 endef
 
 $(eval $(call BuildImage))