2 # arch/sh/boot/Makefile
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
8 # Copyright (C) 1999 Stuart Menefy
11 MKIMAGE := $(srctree)/scripts/mkuboot.sh
14 # Assign safe dummy values if these variables are not defined,
15 # in order to suppress error message.
17 CONFIG_PAGE_OFFSET ?= 0x80000000
18 CONFIG_MEMORY_START ?= 0x0c000000
19 CONFIG_BOOT_LINK_OFFSET ?= 0x00800000
20 CONFIG_ZERO_PAGE_OFFSET ?= 0x00001000
21 CONFIG_ENTRY_OFFSET ?= 0x00001000
23 export CONFIG_PAGE_OFFSET CONFIG_MEMORY_START CONFIG_BOOT_LINK_OFFSET \
24 CONFIG_ZERO_PAGE_OFFSET CONFIG_ENTRY_OFFSET
26 targets := zImage vmlinux.srec uImage uImage.srec
29 $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
30 $(call if_changed,objcopy)
31 @echo ' Kernel: $@ is ready'
33 $(obj)/compressed/vmlinux: FORCE
34 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
36 KERNEL_LOAD := $(shell /bin/bash -c 'printf "0x%08x" \
37 $$[$(CONFIG_PAGE_OFFSET) + \
38 $(CONFIG_MEMORY_START) + \
39 $(CONFIG_ZERO_PAGE_OFFSET)]')
41 KERNEL_ENTRY := $(shell /bin/bash -c 'printf "0x%08x" \
42 $$[$(CONFIG_PAGE_OFFSET) + \
43 $(CONFIG_MEMORY_START) + \
44 $(CONFIG_ZERO_PAGE_OFFSET) + $(CONFIG_ENTRY_OFFSET)]')
46 quiet_cmd_uimage = UIMAGE $@
47 cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sh -O linux -T kernel \
48 -C gzip -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \
49 -n 'Linux-$(KERNELRELEASE)' -d $< $@
51 $(obj)/uImage: $(obj)/vmlinux.bin.gz FORCE
52 $(call if_changed,uimage)
53 @echo ' Image $@ is ready'
55 $(obj)/vmlinux.bin: vmlinux FORCE
56 $(call if_changed,objcopy)
58 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
59 $(call if_changed,gzip)
61 OBJCOPYFLAGS_vmlinux.srec := -I binary -O srec
62 $(obj)/vmlinux.srec: $(obj)/compressed/vmlinux
63 $(call if_changed,objcopy)
65 OBJCOPYFLAGS_uImage.srec := -I binary -O srec
66 $(obj)/uImage.srec: $(obj)/uImage
67 $(call if_changed,objcopy)
69 clean-files += uImage uImage.srec vmlinux.srec \
70 vmlinux.bin vmlinux.bin.gz