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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 targets := zImage vmlinux.srec uImage uImage.srec
  24 subdir- := compressed
  25
  26 $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
  27         $(call if_changed,objcopy)
  28         @echo '  Kernel: $@ is ready'
  29
  30 $(obj)/compressed/vmlinux: FORCE
  31         $(Q)$(MAKE) $(build)=$(obj)/compressed $@
  32
  33 KERNEL_MEMORY := 0x00000000
  34 ifeq ($(CONFIG_PMB_FIXED),y)
  35 KERNEL_MEMORY := $(shell /bin/bash -c 'printf "0x%08x" \
  36                      $$[$(CONFIG_MEMORY_START) & 0x1fffffff]')
  37 endif
  38 ifeq ($(CONFIG_29BIT),y)
  39 KERNEL_MEMORY := $(shell /bin/bash -c 'printf "0x%08x" \
  40                      $$[$(CONFIG_MEMORY_START)]')
  41 endif
  42
  43 export CONFIG_PAGE_OFFSET CONFIG_MEMORY_START CONFIG_BOOT_LINK_OFFSET \
  44        CONFIG_ZERO_PAGE_OFFSET CONFIG_ENTRY_OFFSET KERNEL_MEMORY
  45
  46 KERNEL_LOAD     := $(shell /bin/bash -c 'printf "0x%08x" \
  47                      $$[$(CONFIG_PAGE_OFFSET)  + \
  48                         $(KERNEL_MEMORY) + \
  49                         $(CONFIG_ZERO_PAGE_OFFSET)]')
  50
  51 KERNEL_ENTRY    := $(shell /bin/bash -c 'printf "0x%08x" \
  52                      $$[$(CONFIG_PAGE_OFFSET)  + \
  53                         $(KERNEL_MEMORY) + \
  54                         $(CONFIG_ZERO_PAGE_OFFSET) + $(CONFIG_ENTRY_OFFSET)]')
  55
  56 quiet_cmd_uimage = UIMAGE  $@
  57       cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sh -O linux -T kernel \
  58                    -C gzip -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \
  59                    -n 'Linux-$(KERNELRELEASE)' -d $< $@
  60
  61 $(obj)/uImage: $(obj)/vmlinux.bin.gz FORCE
  62         $(call if_changed,uimage)
  63         @echo '  Image $@ is ready'
  64
  65 $(obj)/vmlinux.bin: vmlinux FORCE
  66         $(call if_changed,objcopy)
  67
  68 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
  69         $(call if_changed,gzip)
  70
  71 OBJCOPYFLAGS_vmlinux.srec := -I binary -O srec
  72 $(obj)/vmlinux.srec: $(obj)/compressed/vmlinux
  73         $(call if_changed,objcopy)
  74
  75 OBJCOPYFLAGS_uImage.srec := -I binary -O srec
  76 $(obj)/uImage.srec: $(obj)/uImage
  77         $(call if_changed,objcopy)
  78
  79 clean-files     += uImage uImage.srec vmlinux.srec \
  80                    vmlinux.bin vmlinux.bin.gz