x86_64: prepare shared boot/compressed/Makefile

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86_64/boot/compressed/Makefile

@@ -1,30 +1,5 @@
-#
-# linux/arch/x86_64/boot/compressed/Makefile
-#
-# create a compressed vmlinux image from the original vmlinux
-#
-
-targets		:= vmlinux vmlinux.bin vmlinux.bin.gz head_64.o misc_64.o piggy.o
-
-CFLAGS := -m64 -D__KERNEL__ $(LINUXINCLUDE) -O2  \
-	  -fno-strict-aliasing -fPIC -mcmodel=small \
-	   $(call cc-option, -ffreestanding) \
-	   $(call cc-option, -fno-stack-protector)
-AFLAGS  := $(CFLAGS) -D__ASSEMBLY__
-LDFLAGS := -m elf_x86_64
-
-LDFLAGS_vmlinux := -T
-$(obj)/vmlinux: $(src)/vmlinux_64.lds $(obj)/head_64.o $(obj)/misc_64.o $(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
-	$(call if_changed,gzip)
-
-LDFLAGS_piggy.o := -r --format binary --oformat elf64-x86-64 -T
-
-$(obj)/piggy.o: $(obj)/vmlinux_64.scr $(obj)/vmlinux.bin.gz FORCE
-	$(call if_changed,ld)
+ifeq ($(CONFIG_X86_32),y)
+include ${srctree}/arch/i386/boot/compressed/Makefile_32
+else
+include ${srctree}/arch/x86_64/boot/compressed/Makefile_64
+endif

arch/x86_64/boot/compressed/Makefile_64

@@ -0,0 +1,30 @@
+#
+# linux/arch/x86_64/boot/compressed/Makefile
+#
+# create a compressed vmlinux image from the original vmlinux
+#
+
+targets		:= vmlinux vmlinux.bin vmlinux.bin.gz head_64.o misc_64.o piggy.o
+
+CFLAGS := -m64 -D__KERNEL__ $(LINUXINCLUDE) -O2  \
+	  -fno-strict-aliasing -fPIC -mcmodel=small \
+	   $(call cc-option, -ffreestanding) \
+	   $(call cc-option, -fno-stack-protector)
+AFLAGS  := $(CFLAGS) -D__ASSEMBLY__
+LDFLAGS := -m elf_x86_64
+
+LDFLAGS_vmlinux := -T
+$(obj)/vmlinux: $(src)/vmlinux_64.lds $(obj)/head_64.o $(obj)/misc_64.o $(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
+	$(call if_changed,gzip)
+
+LDFLAGS_piggy.o := -r --format binary --oformat elf64-x86-64 -T
+
+$(obj)/piggy.o: $(obj)/vmlinux_64.scr $(obj)/vmlinux.bin.gz FORCE
+	$(call if_changed,ld)