h8300 add zImage support

index 65086d9..0bb62e0 100644
@@ -1,12 +1,22 @@
 # arch/h8300/boot/Makefile
 
-targets := vmlinux.srec vmlinux.bin
+targets := vmlinux.srec vmlinux.bin zImage
+subdir- := compressed
 
 OBJCOPYFLAGS_vmlinux.srec := -Osrec
 OBJCOPYFLAGS_vmlinux.bin  := -Obinary
+OBJCOPYFLAGS_zImage := -O binary -R .note -R .comment -R .stab -R .stabstr -S
 
 $(obj)/vmlinux.srec $(obj)/vmlinux.bin:  vmlinux FORCE
 	$(call if_changed,objcopy)
 	@echo '  Kernel: $@ is ready'
 
+$(obj)/zImage: $(obj)/compressed/vmlinux FORCE
+	$(call if_changed,objcopy)
+	@echo 'Kernel: $@ is ready'
+
+$(obj)/compressed/vmlinux: FORCE
+	$(Q)$(MAKE) $(build)=$(obj)/compressed $@
+
 CLEAN_FILES += arch/$(ARCH)/vmlinux.bin arch/$(ARCH)/vmlinux.srec
+

new file mode 100644
index 0000000..71aac82
@@ -0,0 +1,37 @@
+#
+# linux/arch/sh/boot/compressed/Makefile
+#
+# create a compressed vmlinux image from the original vmlinux
+#
+
+targets		:= vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o
+EXTRA_AFLAGS	:= -traditional
+
+OBJECTS = $(obj)/head.o $(obj)/misc.o
+
+#
+# IMAGE_OFFSET is the load offset of the compression loader
+# Assign dummy values if these 2 variables are not defined,
+# in order to suppress error message.
+#
+CONFIG_MEMORY_START     ?= 0x00400000
+CONFIG_BOOT_LINK_OFFSET ?= 0x00400000
+IMAGE_OFFSET := $(shell printf "0x%08x" $$[$(CONFIG_MEMORY_START)+$(CONFIG_BOOT_LINK_OFFSET)])
+
+LDFLAGS_vmlinux := -T $(obj)/vmlinux.lds
+
+$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o FORCE
+	$(call if_changed,ld)
+	@:
+
+$(obj)/vmlinux.bin: vmlinux FORCE
+	$(call if_changed,objcopy)
+
+$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
+	$(call if_changed,gzip)
+
+LDFLAGS_piggy.o := -r --format binary --oformat elf32-h8300 -T
+OBJCOPYFLAGS := -O binary
+
+$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE
+	$(call if_changed,ld)

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