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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 := $(srctree)/scripts/mkuboot.sh
  12
  13 #
  14 # Assign safe dummy values if these variables are not defined,
  15 # in order to suppress error message.
  16 #
  17 CONFIG_PAGE_OFFSET      ?= 0x80000000
  18 CONFIG_MEMORY_START     ?= 0x0c000000
  19 CONFIG_BOOT_LINK_OFFSET ?= 0x00800000
  20 CONFIG_ZERO_PAGE_OFFSET ?= 0x00001000
  21 CONFIG_ENTRY_OFFSET     ?= 0x00001000
  22
  23 suffix-$(CONFIG_KERNEL_GZIP)  := gz
  24 suffix-$(CONFIG_KERNEL_BZIP2) := bz2
  25 suffix-$(CONFIG_KERNEL_LZMA)  := lzma
  26
  27 targets := zImage vmlinux.srec uImage uImage.srec uImage.gz uImage.bz2 uImage.lzma
  28 extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma
  29 subdir- := compressed
  30
  31 $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
  32         $(call if_changed,objcopy)
  33         @echo '  Kernel: $@ is ready'
  34
  35 $(obj)/compressed/vmlinux: FORCE
  36         $(Q)$(MAKE) $(build)=$(obj)/compressed $@
  37
  38 KERNEL_MEMORY := 0x00000000
  39 ifeq ($(CONFIG_PMB_FIXED),y)
  40 KERNEL_MEMORY := $(shell /bin/bash -c 'printf "0x%08x" \
  41                      $$[$(CONFIG_MEMORY_START) & 0x1fffffff]')
  42 endif
  43 ifeq ($(CONFIG_29BIT),y)
  44 KERNEL_MEMORY := $(shell /bin/bash -c 'printf "0x%08x" \
  45                      $$[$(CONFIG_MEMORY_START)]')
  46 endif
  47
  48 KERNEL_LOAD     := $(shell /bin/bash -c 'printf "0x%08x" \
  49                      $$[$(CONFIG_PAGE_OFFSET)  + \
  50                         $(KERNEL_MEMORY) + \
  51                         $(CONFIG_ZERO_PAGE_OFFSET)]')
  52
  53 KERNEL_ENTRY    := $(shell /bin/bash -c 'printf "0x%08x" \
  54                      $$[$(CONFIG_PAGE_OFFSET)  + \
  55                         $(KERNEL_MEMORY) + \
  56                         $(CONFIG_ZERO_PAGE_OFFSET) + $(CONFIG_ENTRY_OFFSET)]')
  57
  58 quiet_cmd_uimage = UIMAGE  $@
  59       cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sh -O linux -T kernel \
  60                    -C $(2) -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \
  61                    -n 'Linux-$(KERNELRELEASE)' -d $< $@
  62
  63 $(obj)/vmlinux.bin: vmlinux FORCE
  64         $(call if_changed,objcopy)
  65
  66 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
  67         $(call if_changed,gzip)
  68
  69 $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
  70         $(call if_changed,bzip2)
  71
  72 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
  73         $(call if_changed,lzma)
  74
  75 $(obj)/uImage.bz2: $(obj)/vmlinux.bin.bz2
  76         $(call if_changed,uimage,bzip2)
  77
  78 $(obj)/uImage.gz: $(obj)/vmlinux.bin.gz
  79         $(call if_changed,uimage,gzip)
  80
  81 $(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma
  82         $(call if_changed,uimage,lzma)
  83
  84 OBJCOPYFLAGS_vmlinux.srec := -I binary -O srec
  85 $(obj)/vmlinux.srec: $(obj)/compressed/vmlinux
  86         $(call if_changed,objcopy)
  87
  88 OBJCOPYFLAGS_uImage.srec := -I binary -O srec
  89 $(obj)/uImage.srec: $(obj)/uImage
  90         $(call if_changed,objcopy)
  91
  92 $(obj)/uImage: $(obj)/uImage.$(suffix-y)
  93         @ln -sf $(notdir $<) $@
  94         @echo '  Image $@ is ready'
  95
  96 export CONFIG_PAGE_OFFSET CONFIG_MEMORY_START CONFIG_BOOT_LINK_OFFSET \
  97        CONFIG_ZERO_PAGE_OFFSET CONFIG_ENTRY_OFFSET KERNEL_MEMORY suffix-y