1# 2# arch/sh/boot/Makefile 3# 4# This file is subject to the terms and conditions of the GNU General Public 5# License. See the file "COPYING" in the main directory of this archive 6# for more details. 7# 8# Copyright (C) 1999 Stuart Menefy 9# 10 11MKIMAGE := $(srctree)/scripts/mkuboot.sh 12 13# 14# Assign safe dummy values if these variables are not defined, 15# in order to suppress error message. 16# 17CONFIG_PAGE_OFFSET ?= 0x80000000 18CONFIG_MEMORY_START ?= 0x0c000000 19CONFIG_BOOT_LINK_OFFSET ?= 0x00800000 20CONFIG_ZERO_PAGE_OFFSET ?= 0x00001000 21 22export CONFIG_PAGE_OFFSET CONFIG_MEMORY_START CONFIG_BOOT_LINK_OFFSET \ 23 CONFIG_ZERO_PAGE_OFFSET 24 25targets := zImage vmlinux.srec uImage uImage.srec 26subdir- := compressed 27 28$(obj)/zImage: $(obj)/compressed/vmlinux FORCE 29 $(call if_changed,objcopy) 30 @echo ' Kernel: $@ is ready' 31 32$(obj)/compressed/vmlinux: FORCE 33 $(Q)$(MAKE) $(build)=$(obj)/compressed $@ 34 35KERNEL_LOAD := $(shell /bin/bash -c 'printf "0x%08x" \ 36 $$[$(CONFIG_PAGE_OFFSET) + \ 37 $(CONFIG_MEMORY_START) + \ 38 $(CONFIG_ZERO_PAGE_OFFSET)]') 39 40KERNEL_ENTRY := $(shell /bin/bash -c 'printf "0x%08x" \ 41 $$[$(CONFIG_PAGE_OFFSET) + \ 42 $(CONFIG_MEMORY_START) + \ 43 $(CONFIG_ZERO_PAGE_OFFSET)+0x1000]') 44 45quiet_cmd_uimage = UIMAGE $@ 46 cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sh -O linux -T kernel \ 47 -C none -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \ 48 -n 'Linux-$(KERNELRELEASE)' -d $< $@ 49 50$(obj)/uImage: $(obj)/vmlinux.bin.gz FORCE 51 $(call if_changed,uimage) 52 @echo ' Image $@ is ready' 53 54$(obj)/vmlinux.bin: vmlinux FORCE 55 $(call if_changed,objcopy) 56 57$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE 58 $(call if_changed,gzip) 59 60OBJCOPYFLAGS_vmlinux.srec := -I binary -O srec 61$(obj)/vmlinux.srec: $(obj)/compressed/vmlinux 62 $(call if_changed,objcopy) 63 64OBJCOPYFLAGS_uImage.srec := -I binary -O srec 65$(obj)/uImage.srec: $(obj)/uImage 66 $(call if_changed,objcopy) 67 68clean-files += uImage uImage.srec vmlinux.srec \ 69 vmlinux.bin vmlinux.bin.gz 70