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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 CONFIG_ENTRY_OFFSET     ?= 0x00001000
  22
  23 export CONFIG_PAGE_OFFSET CONFIG_MEMORY_START CONFIG_BOOT_LINK_OFFSET \
  24        CONFIG_ZERO_PAGE_OFFSET CONFIG_ENTRY_OFFSET
  25
  26 targets := zImage vmlinux.srec uImage uImage.srec
  27 subdir- := 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 $@
  35
  36 ifeq ($(CONFIG_32BIT),y)
  37 KERNEL_LOAD     := $(shell /bin/bash -c 'printf "0x%08x" \
  38                      $$[$(CONFIG_PAGE_OFFSET)  + \
  39                         $(CONFIG_ZERO_PAGE_OFFSET)]')
  40 else
  41 KERNEL_LOAD     := $(shell /bin/bash -c 'printf "0x%08x" \
  42                      $$[$(CONFIG_PAGE_OFFSET)  + \
  43                         $(CONFIG_MEMORY_START) + \
  44                         $(CONFIG_ZERO_PAGE_OFFSET)]')
  45 endif
  46
  47 KERNEL_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
  52 quiet_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
  67 OBJCOPYFLAGS_vmlinux.srec := -I binary -O srec
  68 $(obj)/vmlinux.srec: $(obj)/compressed/vmlinux
  69         $(call if_changed,objcopy)
  70
  71 OBJCOPYFLAGS_uImage.srec := -I binary -O srec
  72 $(obj)/uImage.srec: $(obj)/uImage
  73         $(call if_changed,objcopy)
  74
  75 clean-files     += uImage uImage.srec vmlinux.srec \
  76                    vmlinux.bin vmlinux.bin.gz