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   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
  11 MKIMAGE := $(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 #
  17 CONFIG_PAGE_OFFSET      ?= 0x80000000
  18 CONFIG_MEMORY_START     ?= 0x0c000000
  19 CONFIG_BOOT_LINK_OFFSET ?= 0x00800000
  20 CONFIG_ZERO_PAGE_OFFSET ?= 0x00001000
  21
  22 export CONFIG_PAGE_OFFSET CONFIG_MEMORY_START CONFIG_BOOT_LINK_OFFSET \
  23        CONFIG_ZERO_PAGE_OFFSET
  24
  25 targets := zImage vmlinux.srec uImage uImage.srec
  26 subdir- := 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
  35 KERNEL_LOAD     := $(shell printf "0x%8x" $$[$(CONFIG_PAGE_OFFSET)  + \
  36                                              $(CONFIG_MEMORY_START) + \
  37                                              $(CONFIG_ZERO_PAGE_OFFSET)+0x1000])
  38
  39 quiet_cmd_uimage = UIMAGE  $@
  40       cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sh -O linux -T kernel \
  41                    -C gzip -a $(KERNEL_LOAD) -e $(KERNEL_LOAD) \
  42                    -n 'Linux-$(KERNELRELEASE)' -d $< $@
  43
  44 $(obj)/uImage: $(obj)/zImage FORCE
  45         $(call if_changed,uimage)
  46         @echo '  Image $@ is ready'
  47
  48 OBJCOPYFLAGS_vmlinux.srec := -I binary -O srec
  49 $(obj)/vmlinux.srec: $(obj)/compressed/vmlinux
  50         $(call if_changed,objcopy)
  51
  52 OBJCOPYFLAGS_uImage.srec := -I binary -O srec
  53 $(obj)/uImage.srec: $(obj)/uImage
  54         $(call if_changed,objcopy)
  55
  56 clean-files     += uImage uImage.srec vmlinux.srec