arch/arm/boot/Makefile

   1 #
   2 # arch/arm/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) 1995-2002 Russell King
   9 #
  10
  11 MKIMAGE         := $(srctree)/scripts/mkuboot.sh
  12
  13 ifneq ($(MACHINE),)
  14 include $(srctree)/$(MACHINE)/Makefile.boot
  15 endif
  16
  17 # Note: the following conditions must always be true:
  18 #   ZRELADDR == virt_to_phys(TEXTADDR)
  19 #   PARAMS_PHYS must be within 4MB of ZRELADDR
  20 #   INITRD_PHYS must be in RAM
  21 ZRELADDR    := $(zreladdr-y)
  22 PARAMS_PHYS := $(params_phys-y)
  23 INITRD_PHYS := $(initrd_phys-y)
  24
  25 export ZRELADDR INITRD_PHYS PARAMS_PHYS
  26
  27 targets := Image zImage xipImage bootpImage uImage
  28
  29 ifeq ($(CONFIG_XIP_KERNEL),y)
  30
  31 $(obj)/xipImage: vmlinux FORCE
  32         $(call if_changed,objcopy)
  33         @echo '  Kernel: $@ is ready (physical address: $(CONFIG_XIP_PHYS_ADDR))'
  34
  35 $(obj)/Image $(obj)/zImage: FORCE
  36         @echo 'Kernel configured for XIP (CONFIG_XIP_KERNEL=y)'
  37         @echo 'Only the xipImage target is available in this case'
  38         @false
  39
  40 else
  41
  42 $(obj)/xipImage: FORCE
  43         @echo 'Kernel not configured for XIP (CONFIG_XIP_KERNEL!=y)'
  44         @false
  45
  46 $(obj)/Image: vmlinux FORCE
  47         $(call if_changed,objcopy)
  48         @echo '  Kernel: $@ is ready'
  49
  50 $(obj)/compressed/vmlinux: $(obj)/Image FORCE
  51         $(Q)$(MAKE) $(build)=$(obj)/compressed $@
  52
  53 $(obj)/zImage:  $(obj)/compressed/vmlinux FORCE
  54         $(call if_changed,objcopy)
  55         @echo '  Kernel: $@ is ready'
  56
  57 endif
  58
  59 quiet_cmd_uimage = UIMAGE  $@
  60       cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \
  61                    -C none -a $(ZRELADDR) -e $(ZRELADDR) \
  62                    -n 'Linux-$(KERNELRELEASE)' -d $< $@
  63
  64 $(obj)/uImage:  $(obj)/zImage FORCE
  65         $(call if_changed,uimage)
  66         @echo '  Image $@ is ready'
  67
  68 $(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
  69         $(Q)$(MAKE) $(build)=$(obj)/bootp $@
  70         @:
  71
  72 $(obj)/bootpImage: $(obj)/bootp/bootp FORCE
  73         $(call if_changed,objcopy)
  74         @echo '  Kernel: $@ is ready'
  75
  76 .PHONY: initrd FORCE
  77 initrd:
  78         @test "$(INITRD_PHYS)" != "" || \
  79         (echo This machine does not support INITRD; exit -1)
  80         @test "$(INITRD)" != "" || \
  81         (echo You must specify INITRD; exit -1)
  82
  83 install: $(obj)/Image
  84         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
  85         $(obj)/Image System.map "$(INSTALL_PATH)"
  86
  87 zinstall: $(obj)/zImage
  88         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
  89         $(obj)/zImage System.map "$(INSTALL_PATH)"
  90
  91 subdir-     := bootp compressed