arch/arm/boot/Makefile

   1 #
   2 # arch/arm/boot/Makefile
   3 #
   4 # This file is included by the global makefile so that you can add your own
   5 # architecture-specific flags and dependencies.
   6 #
   7 # This file is subject to the terms and conditions of the GNU General Public
   8 # License.  See the file "COPYING" in the main directory of this archive
   9 # for more details.
  10 #
  11 # Copyright (C) 1995-2002 Russell King
  12 #
  13
  14 ifneq ($(MACHINE),)
  15 include $(MACHINE)/Makefile.boot
  16 endif
  17
  18 # Note: the following conditions must always be true:
  19 #   ZRELADDR == virt_to_phys(PAGE_OFFSET + TEXT_OFFSET)
  20 #   PARAMS_PHYS must be within 4MB of ZRELADDR
  21 #   INITRD_PHYS must be in RAM
  22 ZRELADDR    := $(zreladdr-y)
  23 PARAMS_PHYS := $(params_phys-y)
  24 INITRD_PHYS := $(initrd_phys-y)
  25
  26 export ZRELADDR INITRD_PHYS PARAMS_PHYS
  27
  28 targets := Image zImage xipImage bootpImage uImage
  29
  30 ifeq ($(CONFIG_XIP_KERNEL),y)
  31
  32 $(obj)/xipImage: vmlinux FORCE
  33         $(call if_changed,objcopy)
  34         @$(kecho) '  Physical Address of xipImage: $(CONFIG_XIP_PHYS_ADDR)'
  35
  36 $(obj)/Image $(obj)/zImage: FORCE
  37         @echo 'Kernel configured for XIP (CONFIG_XIP_KERNEL=y)'
  38         @echo 'Only the xipImage target is available in this case'
  39         @false
  40
  41 else
  42
  43 $(obj)/xipImage: FORCE
  44         @echo 'Kernel not configured for XIP (CONFIG_XIP_KERNEL!=y)'
  45         @false
  46
  47 $(obj)/Image: vmlinux FORCE
  48         $(call if_changed,objcopy)
  49
  50 $(obj)/compressed/vmlinux: $(obj)/Image FORCE
  51         $(Q)$(MAKE) $(build)=$(obj)/compressed $@
  52
  53 $(obj)/zImage:  $(obj)/compressed/vmlinux FORCE
  54         $(call if_changed,objcopy)
  55
  56 endif
  57
  58 ifneq ($(LOADADDR),)
  59   UIMAGE_LOADADDR=$(LOADADDR)
  60 else
  61   ifeq ($(CONFIG_ZBOOT_ROM),y)
  62     UIMAGE_LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
  63   else
  64     UIMAGE_LOADADDR=$(ZRELADDR)
  65   endif
  66 endif
  67
  68 check_for_multiple_loadaddr = \
  69 if [ $(words $(UIMAGE_LOADADDR)) -ne 1 ]; then \
  70         echo 'multiple (or no) load addresses: $(UIMAGE_LOADADDR)'; \
  71         echo 'This is incompatible with uImages'; \
  72         echo 'Specify LOADADDR on the commandline to build an uImage'; \
  73         false; \
  74 fi
  75
  76 $(obj)/uImage:  $(obj)/zImage FORCE
  77         @$(check_for_multiple_loadaddr)
  78         $(call if_changed,uimage)
  79
  80 $(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
  81         $(Q)$(MAKE) $(build)=$(obj)/bootp $@
  82
  83 $(obj)/bootpImage: $(obj)/bootp/bootp FORCE
  84         $(call if_changed,objcopy)
  85
  86 PHONY += initrd install zinstall uinstall
  87 initrd:
  88         @test "$(INITRD_PHYS)" != "" || \
  89         (echo This machine does not support INITRD; exit -1)
  90         @test "$(INITRD)" != "" || \
  91         (echo You must specify INITRD; exit -1)
  92
  93 install:
  94         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \
  95         $(obj)/Image System.map "$(INSTALL_PATH)"
  96
  97 zinstall:
  98         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \
  99         $(obj)/zImage System.map "$(INSTALL_PATH)"
 100
 101 uinstall:
 102         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \
 103         $(obj)/uImage System.map "$(INSTALL_PATH)"
 104
 105 subdir-     := bootp compressed dts