xtensa: move vmlinux.bin[.gz] to boot subdirectory

vmlinux.bin and vmlinux.bin.gz are always rebuilt in the kernel build
process. Add them to 'targets' and move them to the boot subdirectory
where their rules are. Update make rules that refer to them.
Reviewed-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

arch/xtensa/boot/Makefile

@@ -17,6 +17,7 @@ BIG_ENDIAN	:= $(shell echo __XTENSA_EB__ | $(CC) -E - | grep -v "\#")
 export BIG_ENDIAN
 
 subdir-y	:= lib
+targets		+= vmlinux.bin vmlinux.bin.gz
 
 # Subdirs for the boot loader(s)
 
@@ -35,19 +36,19 @@ boot-elf boot-redboot: $(addprefix $(obj)/,$(subdir-y))
 
 OBJCOPYFLAGS = --strip-all -R .comment -R .notes -O binary
 
-vmlinux.bin: vmlinux FORCE
+$(obj)/vmlinux.bin: vmlinux FORCE
 	$(call if_changed,objcopy)
 
-vmlinux.bin.gz: vmlinux.bin FORCE
+$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
 	$(call if_changed,gzip)
 
-boot-elf: vmlinux.bin
-boot-redboot: vmlinux.bin.gz
+boot-elf: $(obj)/vmlinux.bin
+boot-redboot: $(obj)/vmlinux.bin.gz
 
 UIMAGE_LOADADDR = $(CONFIG_KERNEL_LOAD_ADDRESS)
 UIMAGE_COMPRESSION = gzip
 
-$(obj)/uImage: vmlinux.bin.gz FORCE
+$(obj)/uImage: $(obj)/vmlinux.bin.gz FORCE
 	$(call if_changed,uimage)
 	$(Q)$(kecho) '  Kernel: $@ is ready'
 

arch/xtensa/boot/boot-elf/Makefile

@@ -18,9 +18,9 @@ boot-y		:= bootstrap.o
 
 OBJS		:= $(addprefix $(obj)/,$(boot-y))
 
-$(obj)/Image.o: vmlinux.bin $(OBJS)
+$(obj)/Image.o: $(obj)/../vmlinux.bin $(OBJS)
 	$(Q)$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
-		--add-section image=vmlinux.bin \
+		--add-section image=$< \
 		--set-section-flags image=contents,alloc,load,load,data \
 		$(OBJS) $@
 

arch/xtensa/boot/boot-redboot/Makefile

@@ -19,9 +19,9 @@ LIBS	:= arch/xtensa/boot/lib/lib.a arch/xtensa/lib/lib.a
 
 LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
 
-$(obj)/zImage.o: vmlinux.bin.gz $(OBJS)
+$(obj)/zImage.o: $(obj)/../vmlinux.bin.gz $(OBJS)
 	$(Q)$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
-		--add-section image=vmlinux.bin.gz \
+		--add-section image=$< \
 		--set-section-flags image=contents,alloc,load,load,data \
 		$(OBJS) $@