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 := $(srctree)/scripts/mkuboot.sh 12 13# 14# Assign safe dummy values if these variables are not defined, 15# in order to suppress error message. 16# 17CONFIG_PAGE_OFFSET ?= 0x80000000 18CONFIG_MEMORY_START ?= 0x0c000000 19CONFIG_BOOT_LINK_OFFSET ?= 0x00800000 20CONFIG_ZERO_PAGE_OFFSET ?= 0x00001000 21CONFIG_ENTRY_OFFSET ?= 0x00001000 22 23export CONFIG_PAGE_OFFSET CONFIG_MEMORY_START CONFIG_BOOT_LINK_OFFSET \ 24 CONFIG_ZERO_PAGE_OFFSET CONFIG_ENTRY_OFFSET 25 26targets := zImage vmlinux.srec uImage uImage.srec 27subdir- := compressed 28 29$(obj)/zImage: $(obj)/compressed/vmlinux FORCE 30 $(call if_changed,objcopy) 31 @echo ' Kernel: $@ is ready' 32 33$(obj)/compressed/vmlinux: FORCE 34 $(Q)$(MAKE) $(build)=$(obj)/compressed $@ 35 36ifeq ($(CONFIG_32BIT),y) 37KERNEL_LOAD := $(shell /bin/bash -c 'printf "0x%08x" \ 38 $$[$(CONFIG_PAGE_OFFSET) + \ 39 $(CONFIG_ZERO_PAGE_OFFSET)]') 40else 41KERNEL_LOAD := $(shell /bin/bash -c 'printf "0x%08x" \ 42 $$[$(CONFIG_PAGE_OFFSET) + \ 43 $(CONFIG_MEMORY_START) + \ 44 $(CONFIG_ZERO_PAGE_OFFSET)]') 45endif 46 47KERNEL_ENTRY := $(shell /bin/bash -c 'printf "0x%08x" \ 48 $$[$(CONFIG_PAGE_OFFSET) + \ 49 $(CONFIG_MEMORY_START) + \ 50 $(CONFIG_ZERO_PAGE_OFFSET) + $(CONFIG_ENTRY_OFFSET)]') 51 52quiet_cmd_uimage = UIMAGE $@ 53 cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sh -O linux -T kernel \ 54 -C gzip -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \ 55 -n 'Linux-$(KERNELRELEASE)' -d $< $@ 56 57$(obj)/uImage: $(obj)/vmlinux.bin.gz FORCE 58 $(call if_changed,uimage) 59 @echo ' Image $@ is ready' 60 61$(obj)/vmlinux.bin: vmlinux FORCE 62 $(call if_changed,objcopy) 63 64$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE 65 $(call if_changed,gzip) 66 67OBJCOPYFLAGS_vmlinux.srec := -I binary -O srec 68$(obj)/vmlinux.srec: $(obj)/compressed/vmlinux 69 $(call if_changed,objcopy) 70 71OBJCOPYFLAGS_uImage.srec := -I binary -O srec 72$(obj)/uImage.srec: $(obj)/uImage 73 $(call if_changed,objcopy) 74 75clean-files += uImage uImage.srec vmlinux.srec \ 76 vmlinux.bin vmlinux.bin.gz 77