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 OBJCOPYFLAGS    :=-O binary -R .comment -S
  15
  16 ifneq ($(MACHINE),)
  17 include $(MACHINE)/Makefile.boot
  18 endif
  19
  20 # Note: the following conditions must always be true:
  21 #   ZRELADDR == virt_to_phys(PAGE_OFFSET + TEXT_OFFSET)
  22 #   PARAMS_PHYS must be within 4MB of ZRELADDR
  23 #   INITRD_PHYS must be in RAM
  24 ZRELADDR    := $(zreladdr-y)
  25 PARAMS_PHYS := $(params_phys-y)
  26 INITRD_PHYS := $(initrd_phys-y)
  27
  28 export ZRELADDR INITRD_PHYS PARAMS_PHYS
  29
  30 targets := Image zImage xipImage bootpImage uImage
  31
  32 ifeq ($(CONFIG_XIP_KERNEL),y)
  33
  34 $(obj)/xipImage: vmlinux FORCE
  35         $(call if_changed,objcopy)
  36         @$(kecho) '  Physical Address of xipImage: $(CONFIG_XIP_PHYS_ADDR)'
  37
  38 $(obj)/Image $(obj)/zImage: FORCE
  39         @echo 'Kernel configured for XIP (CONFIG_XIP_KERNEL=y)'
  40         @echo 'Only the xipImage target is available in this case'
  41         @false
  42
  43 else
  44
  45 $(obj)/xipImage: FORCE
  46         @echo 'Kernel not configured for XIP (CONFIG_XIP_KERNEL!=y)'
  47         @false
  48
  49 $(obj)/Image: vmlinux FORCE
  50         $(call if_changed,objcopy)
  51
  52 $(obj)/compressed/vmlinux: $(obj)/Image FORCE
  53         $(Q)$(MAKE) $(build)=$(obj)/compressed $@
  54
  55 $(obj)/zImage:  $(obj)/compressed/vmlinux FORCE
  56         $(call if_changed,objcopy)
  57
  58 endif
  59
  60 ifneq ($(LOADADDR),)
  61   UIMAGE_LOADADDR=$(LOADADDR)
  62 else
  63   ifeq ($(CONFIG_ZBOOT_ROM),y)
  64     UIMAGE_LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
  65   else
  66     UIMAGE_LOADADDR=$(ZRELADDR)
  67   endif
  68 endif
  69
  70 check_for_multiple_loadaddr = \
  71 if [ $(words $(UIMAGE_LOADADDR)) -ne 1 ]; then \
  72         echo 'multiple (or no) load addresses: $(UIMAGE_LOADADDR)'; \
  73         echo 'This is incompatible with uImages'; \
  74         echo 'Specify LOADADDR on the commandline to build an uImage'; \
  75         false; \
  76 fi
  77
  78 $(obj)/uImage:  $(obj)/zImage FORCE
  79         @$(check_for_multiple_loadaddr)
  80         $(call if_changed,uimage)
  81
  82 $(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
  83         $(Q)$(MAKE) $(build)=$(obj)/bootp $@
  84
  85 $(obj)/bootpImage: $(obj)/bootp/bootp FORCE
  86         $(call if_changed,objcopy)
  87
  88 PHONY += initrd install zinstall uinstall
  89 initrd:
  90         @test "$(INITRD_PHYS)" != "" || \
  91         (echo This machine does not support INITRD; exit -1)
  92         @test "$(INITRD)" != "" || \
  93         (echo You must specify INITRD; exit -1)
  94
  95 install:
  96         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \
  97         $(obj)/Image System.map "$(INSTALL_PATH)"
  98
  99 zinstall:
 100         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \
 101         $(obj)/zImage System.map "$(INSTALL_PATH)"
 102
 103 uinstall:
 104         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \
 105         $(obj)/uImage System.map "$(INSTALL_PATH)"
 106
 107 subdir-     := bootp compressed dts