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 cmd_deflate_xip_data = $(CONFIG_SHELL) -c \
  35         '$(srctree)/$(src)/deflate_xip_data.sh $< $@'
  36
  37 ifeq ($(CONFIG_XIP_DEFLATED_DATA),y)
  38 quiet_cmd_mkxip = XIPZ    $@
  39 cmd_mkxip = $(cmd_objcopy) && $(cmd_deflate_xip_data)
  40 else
  41 quiet_cmd_mkxip = $(quiet_cmd_objcopy)
  42 cmd_mkxip = $(cmd_objcopy)
  43 endif
  44
  45 $(obj)/xipImage: vmlinux FORCE
  46         $(call if_changed,mkxip)
  47         @$(kecho) '  Physical Address of xipImage: $(CONFIG_XIP_PHYS_ADDR)'
  48
  49 $(obj)/Image $(obj)/zImage: FORCE
  50         @echo 'Kernel configured for XIP (CONFIG_XIP_KERNEL=y)'
  51         @echo 'Only the xipImage target is available in this case'
  52         @false
  53
  54 else
  55
  56 $(obj)/xipImage: FORCE
  57         @echo 'Kernel not configured for XIP (CONFIG_XIP_KERNEL!=y)'
  58         @false
  59
  60 $(obj)/Image: vmlinux FORCE
  61         $(call if_changed,objcopy)
  62
  63 $(obj)/compressed/vmlinux: $(obj)/Image FORCE
  64         $(Q)$(MAKE) $(build)=$(obj)/compressed $@
  65
  66 $(obj)/zImage:  $(obj)/compressed/vmlinux FORCE
  67         $(call if_changed,objcopy)
  68
  69 endif
  70
  71 ifneq ($(LOADADDR),)
  72   UIMAGE_LOADADDR=$(LOADADDR)
  73 else
  74   ifeq ($(CONFIG_ZBOOT_ROM),y)
  75     UIMAGE_LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
  76   else
  77     UIMAGE_LOADADDR=$(ZRELADDR)
  78   endif
  79 endif
  80
  81 check_for_multiple_loadaddr = \
  82 if [ $(words $(UIMAGE_LOADADDR)) -ne 1 ]; then \
  83         echo 'multiple (or no) load addresses: $(UIMAGE_LOADADDR)'; \
  84         echo 'This is incompatible with uImages'; \
  85         echo 'Specify LOADADDR on the commandline to build an uImage'; \
  86         false; \
  87 fi
  88
  89 $(obj)/uImage:  $(obj)/zImage FORCE
  90         @$(check_for_multiple_loadaddr)
  91         $(call if_changed,uimage)
  92
  93 $(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
  94         $(Q)$(MAKE) $(build)=$(obj)/bootp $@
  95
  96 $(obj)/bootpImage: $(obj)/bootp/bootp FORCE
  97         $(call if_changed,objcopy)
  98
  99 PHONY += initrd install zinstall uinstall
 100 initrd:
 101         @test "$(INITRD_PHYS)" != "" || \
 102         (echo This machine does not support INITRD; exit -1)
 103         @test "$(INITRD)" != "" || \
 104         (echo You must specify INITRD; exit -1)
 105
 106 install:
 107         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \
 108         $(obj)/Image System.map "$(INSTALL_PATH)"
 109
 110 zinstall:
 111         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \
 112         $(obj)/zImage System.map "$(INSTALL_PATH)"
 113
 114 uinstall:
 115         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \
 116         $(obj)/uImage System.map "$(INSTALL_PATH)"
 117
 118 subdir-     := bootp compressed dts