2 # arch/m68k/boot/Makefile
4 # Based on arch/sh/boot/Makefile by Stuart Menefy
6 # Copyright (c) 2008 Freescale Semiconductor, Inc. All Rights Reserved.
7 # by Kurt Mahan <kmahan@freescale.com>
9 # This file is subject to the terms and conditions of the GNU General Public
10 # License. See the file "COPYING" in the main directory of this archive
14 MKIMAGE := $(srctree)/scripts/mkuboot.sh
17 # Assign safe dummy values if these variables are not defined,
18 # in order to suppress error message.
20 CONFIG_SDRAM_BASE ?= 0x40000000
21 CONFIG_IMG_START ?= 0x00020000
23 export CONFIG_SDRAM_BASE CONFIG_IMG_START
25 targets := zImage zImage.srec vmlinux.srec uImage uImage.srec
27 $(obj)/zImage: $(obj)/vmlinux.bin FORCE
28 $(call if_changed,gzip)
29 @echo ' Image $@ is ready'
31 OBJCOPYFLAGS_zImage.srec := -I binary -O srec
32 $(obj)/zImage.srec: $(obj)/zImage
33 $(call if_changed,objcopy)
35 KERNEL_LOAD := $(shell /bin/bash -c 'printf "0x%08x" \
36 $$[$(CONFIG_SDRAM_BASE) + \
37 $(CONFIG_IMG_START)]')
39 KERNEL_ENTRY := $(shell /bin/bash -c 'printf "0x%08x" \
40 $$[$(CONFIG_SDRAM_BASE) + \
41 $(CONFIG_IMG_START)]')
43 quiet_cmd_uimage = UIMAGE $@
44 cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A m68k -O linux -T kernel \
45 -C gzip -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \
46 -n 'Linux-$(KERNELRELEASE)' -d $< $@
48 $(obj)/uImage: $(obj)/vmlinux.bin.gz FORCE
49 $(call if_changed,uimage)
50 @echo ' Image $@ is ready'
52 $(obj)/vmlinux.bin: vmlinux FORCE
53 $(call if_changed,objcopy)
55 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
56 $(call if_changed,gzip)
58 OBJCOPYFLAGS_vmlinux.srec := -I binary -O srec
59 $(obj)/vmlinux.srec: $(obj)/vmlinux.bin
60 $(call if_changed,objcopy)
62 OBJCOPYFLAGS_uImage.srec := -I binary -O srec
63 $(obj)/uImage.srec: $(obj)/uImage
64 $(call if_changed,objcopy)
66 clean-files += uImage uImage.srec \
68 vmlinux.srec vmlinux.bin vmlinux.bin.gz