Kbuild: centralize MKIMAGE and cmd_uimage definitions

All ARCHs have the same definition of MKIMAGE. Move it to Makefile.lib
to avoid duplication.

All ARCHs have similar definitions of cmd_uimage. Place a sufficiently
parameterized version in Makefile.lib to avoid duplication.

Signed-off-by: Stephen Warren <[e-mail]>
Acked-by: Nicolas Pitre <[e-mail]>
Tested-by: Mike Frysinger <[e-mail]> [Blackfin]
Tested-by: Michal Simek <[e-mail]> [Microblaze]
Tested-by: Guan Xuetao <[e-mail]> [unicore32]
Signed-off-by: Michal Marek <[e-mail]>

arch/arm/boot/Makefile

···
 # Copyright (C) 1995-2002 Russell King
 #
 
-MKIMAGE         := $(srctree)/scripts/mkuboot.sh
-
 ifneq ($(MACHINE),)
 include $(srctree)/$(MACHINE)/Makefile.boot
 endif
···
 
 clean-files := *.dtb
 
-quiet_cmd_uimage = UIMAGE  $@
-      cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \
-		   -C none -a $(LOADADDR) -e $(STARTADDR) \
-		   -n 'Linux-$(KERNELRELEASE)' -d $< $@
-
-ifeq ($(CONFIG_ZBOOT_ROM),y)
-$(obj)/uImage: LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
+ifneq ($(LOADADDR),)
+  UIMAGE_LOADADDR=$(LOADADDR)
 else
-$(obj)/uImage: LOADADDR=$(ZRELADDR)
+  ifeq ($(CONFIG_ZBOOT_ROM),y)
+    UIMAGE_LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
+  else
+    UIMAGE_LOADADDR=$(ZRELADDR)
+  endif
 endif
 
-$(obj)/uImage: STARTADDR=$(LOADADDR)
-
 check_for_multiple_loadaddr = \
-if [ $(words $(LOADADDR)) -gt 1 ]; then \
-	echo 'multiple load addresses: $(LOADADDR)'; \
+if [ $(words $(UIMAGE_LOADADDR)) -gt 1 ]; then \
+	echo 'multiple load addresses: $(UIMAGE_LOADADDR)'; \
 	echo 'This is incompatible with uImages'; \
 	echo 'Specify LOADADDR on the commandline to build an uImage'; \
 	false; \

arch/avr32/boot/images/Makefile

···
 # for more details.
 #
 
-MKIMAGE		:= $(srctree)/scripts/mkuboot.sh
-
 extra-y		:= vmlinux.bin vmlinux.gz
 
 OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note.gnu.build-id
···
 $(obj)/vmlinux.gz: $(obj)/vmlinux.bin FORCE
 	$(call if_changed,gzip)
 
-quiet_cmd_uimage = UIMAGE $@
-      cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A avr32 -O linux -T kernel	\
-		-C gzip -a $(CONFIG_LOAD_ADDRESS) -e $(CONFIG_ENTRY_ADDRESS)	\
-		-n 'Linux-$(KERNELRELEASE)' -d $< $@
+UIMAGE_LOADADDR = $(CONFIG_LOAD_ADDRESS)
+UIMAGE_ENTRYADDR = $(CONFIG_ENTRY_ADDRESS)
+UIMAGE_COMPRESSION = gzip
 
 targets += uImage uImage.srec
 $(obj)/uImage: $(obj)/vmlinux.gz

arch/blackfin/boot/Makefile

···
 # for more details.
 #
 
-MKIMAGE := $(srctree)/scripts/mkuboot.sh
-
 targets := vmImage vmImage.bin vmImage.bz2 vmImage.gz vmImage.lzma vmImage.lzo vmImage.xip
 extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.xip
 
-UIMAGE_OPTS-y :=
-UIMAGE_OPTS-$(CONFIG_RAMKERNEL) += -a $(CONFIG_BOOT_LOAD)
-UIMAGE_OPTS-$(CONFIG_ROMKERNEL) += -a $(CONFIG_ROM_BASE) -x
-
-quiet_cmd_uimage = UIMAGE  $@
-      cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A $(ARCH) -O linux -T kernel \
-                   -C $(2) -n '$(CPU_REV)-$(KERNELRELEASE)' \
-                   -e $(shell $(NM) vmlinux | awk '$$NF == "__start" {print $$1}') \
-                   $(UIMAGE_OPTS-y) -d $< $@
+ifeq ($(CONFIG_RAMKERNEL),y)
+UIMAGE_LOADADDR = $(CONFIG_BOOT_LOAD)
+else # CONFIG_ROMKERNEL must be set
+UIMAGE_LOADADDR = $(CONFIG_ROM_BASE)
+endif
+UIMAGE_ENTRYADDR = $(shell $(NM) vmlinux | awk '$$NF == "__start" {print $$1}')
+UIMAGE_NAME = '$(CPU_REV)-$(KERNELRELEASE)'
+UIMAGE_OPTS-$(CONFIG_ROMKERNEL) += -x
 
 $(obj)/vmlinux.bin: vmlinux FORCE
 	$(call if_changed,objcopy)

arch/microblaze/boot/Makefile

···
 # arch/microblaze/boot/Makefile
 #
 
-MKIMAGE := $(srctree)/scripts/mkuboot.sh
-
 obj-y += linked_dtb.o
 
 targets := linux.bin linux.bin.gz simpleImage.%
···
 	cmd_strip = $(STRIP) -K microblaze_start -K _end -K __log_buf \
 				-K _fdt_start vmlinux -o $@
 
-quiet_cmd_uimage = UIMAGE  $@.ub
-	cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A microblaze -O linux -T kernel \
-		-C none -n 'Linux-$(KERNELRELEASE)' \
-		-a $(CONFIG_KERNEL_BASE_ADDR) -e $(CONFIG_KERNEL_BASE_ADDR) \
-		-d $@ $@.ub
+UIMAGE_IN = $@
+UIMAGE_OUT = $@.ub
+UIMAGE_LOADADDR = $(CONFIG_KERNEL_BASE_ADDR)
 
 $(obj)/simpleImage.%: vmlinux FORCE
 	$(call if_changed,cp,.unstrip)

arch/sh/boot/Makefile

···
 # Copyright (C) 1999 Stuart Menefy
 #
 
-MKIMAGE := $(srctree)/scripts/mkuboot.sh
-
 #
 # Assign safe dummy values if these variables are not defined,
 # in order to suppress error message.
···
 			$(KERNEL_MEMORY) + \
 			$(CONFIG_ZERO_PAGE_OFFSET) + $(CONFIG_ENTRY_OFFSET)]')
 
-quiet_cmd_uimage = UIMAGE  $@
-      cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sh -O linux -T kernel \
-		   -C $(2) -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \
-		   -n 'Linux-$(KERNELRELEASE)' -d $< $@
+UIMAGE_LOADADDR = $(KERNEL_LOAD)
+UIMAGE_ENTRYADDR = $(KERNEL_ENTRY)
 
 $(obj)/vmlinux.bin: vmlinux FORCE
 	$(call if_changed,objcopy)

arch/sparc/boot/Makefile

···
 
 ROOT_IMG	:= /usr/src/root.img
 ELFTOAOUT	:= elftoaout
-MKIMAGE 	:= $(srctree)/scripts/mkuboot.sh
 
 hostprogs-y	:= piggyback btfixupprep
 targets		:= tftpboot.img btfix.o btfix.S image zImage vmlinux.aout
···
 $(obj)/image.gz: $(obj)/image.bin
 	$(call if_changed,gzip)
 
-quiet_cmd_uimage = UIMAGE  $@
-      cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sparc -O linux -T kernel \
-               -C gzip -a $(CONFIG_UBOOT_LOAD_ADDR) \
-	       -e $(CONFIG_UBOOT_ENTRY_ADDR) -n 'Linux-$(KERNELRELEASE)' \
-               -d $< $@
+UIMAGE_LOADADDR = $(CONFIG_UBOOT_LOAD_ADDR)
+UIMAGE_ENTRYADDR = $(CONFIG_UBOOT_ENTRY_ADDR)
+UIMAGE_COMPRESSION = gzip
 
 quiet_cmd_uimage.o = UIMAGE.O $@
       cmd_uimage.o = $(LD) -Tdata $(CONFIG_UBOOT_FLASH_ADDR) \

arch/unicore32/boot/Makefile

···
 # Copyright (C) 2001~2010 GUAN Xue-tao
 #
 
-MKIMAGE := $(srctree)/scripts/mkuboot.sh
-
 targets := Image zImage uImage
 
 $(obj)/Image: vmlinux FORCE
···
 	$(call if_changed,objcopy)
 	@echo '  Kernel: $@ is ready'
 
-quiet_cmd_uimage = UIMAGE  $@
-      cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A unicore -O linux -T kernel \
-		   -C none -a $(LOADADDR) -e $(STARTADDR) \
-		   -n 'Linux-$(KERNELRELEASE)' -d $< $@
-
-$(obj)/uImage: LOADADDR=0x0
-
-$(obj)/uImage: STARTADDR=$(LOADADDR)
+UIMAGE_ARCH = unicore
+UIMAGE_LOADADDR = 0x0
 
 $(obj)/uImage: $(obj)/zImage FORCE
 	$(call if_changed,uimage)

scripts/Makefile.lib

···
 	lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
 	(rm -f $@ ; false)
 
+# U-Boot mkimage
+# ---------------------------------------------------------------------------
+
+MKIMAGE := $(srctree)/scripts/mkuboot.sh
+
+# SRCARCH just happens to match slightly more than ARCH (on sparc), so reduces
+# the number of overrides in arch makefiles
+UIMAGE_ARCH ?= $(SRCARCH)
+UIMAGE_COMPRESSION ?= $(if $(2),$(2),none)
+UIMAGE_OPTS-y ?=
+UIMAGE_TYPE ?= kernel
+UIMAGE_LOADADDR ?= arch_must_set_this
+UIMAGE_ENTRYADDR ?= $(UIMAGE_LOADADDR)
+UIMAGE_NAME ?= 'Linux-$(KERNELRELEASE)'
+UIMAGE_IN ?= $<
+UIMAGE_OUT ?= $@
+
+quiet_cmd_uimage = UIMAGE  $(UIMAGE_OUT)
+      cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A $(UIMAGE_ARCH) -O linux \
+			-C $(UIMAGE_COMPRESSION) $(UIMAGE_OPTS-y) \
+			-T $(UIMAGE_TYPE) \
+			-a $(UIMAGE_LOADADDR) -e $(UIMAGE_ENTRYADDR) \
+			-n $(UIMAGE_NAME) -d $(UIMAGE_IN) $(UIMAGE_OUT)
+
 # XZ
 # ---------------------------------------------------------------------------
 # Use xzkern to compress the kernel image and xzmisc to compress other things.