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 $(srctree)/$(MACHINE)/Makefile.boot
  16 endif
  17 include $(srctree)/arch/arm/boot/dts/Makefile
  18
  19 # Note: the following conditions must always be true:
  20 #   ZRELADDR == virt_to_phys(PAGE_OFFSET + TEXT_OFFSET)
  21 #   PARAMS_PHYS must be within 4MB of ZRELADDR
  22 #   INITRD_PHYS must be in RAM
  23 ZRELADDR    := $(zreladdr-y)
  24 PARAMS_PHYS := $(params_phys-y)
  25 INITRD_PHYS := $(initrd_phys-y)
  26
  27 export ZRELADDR INITRD_PHYS PARAMS_PHYS
  28
  29 targets := Image zImage xipImage bootpImage uImage
  30
  31 DTB_NAMES := $(subst $\",,$(CONFIG_BUILD_ARM_APPENDED_DTB_IMAGE_NAMES))
  32 ifneq ($(DTB_NAMES),)
  33 DTB_LIST := $(addsuffix .dtb,$(DTB_NAMES))
  34 else
  35 DTB_LIST := $(dtb-y)
  36 endif
  37 DTB_OBJS := $(addprefix $(obj)/dts/,$(DTB_LIST))
  38
  39 ifeq ($(CONFIG_XIP_KERNEL),y)
  40
  41 $(obj)/xipImage: vmlinux FORCE
  42         $(call if_changed,objcopy)
  43         @$(kecho) '  Kernel: $@ is ready (physical address: $(CONFIG_XIP_PHYS_ADDR))'
  44
  45 $(obj)/Image $(obj)/zImage: FORCE
  46         @echo 'Kernel configured for XIP (CONFIG_XIP_KERNEL=y)'
  47         @echo 'Only the xipImage target is available in this case'
  48         @false
  49
  50 else
  51
  52 $(obj)/xipImage: FORCE
  53         @echo 'Kernel not configured for XIP (CONFIG_XIP_KERNEL!=y)'
  54         @false
  55
  56 $(obj)/Image: vmlinux FORCE
  57         $(call if_changed,objcopy)
  58         @$(kecho) '  Kernel: $@ is ready'
  59
  60 $(obj)/compressed/vmlinux: $(obj)/Image FORCE
  61         $(Q)$(MAKE) $(build)=$(obj)/compressed $@
  62
  63 $(obj)/zImage:  $(obj)/compressed/vmlinux FORCE
  64         $(call if_changed,objcopy)
  65         @$(kecho) '  Kernel: $@ is ready'
  66
  67 $(obj)/zImage-dtb:      $(obj)/zImage $(DTB_OBJS) FORCE
  68         $(call if_changed,cat)
  69         @echo '  Kernel: $@ is ready'
  70
  71 endif
  72
  73 ifneq ($(LOADADDR),)
  74   UIMAGE_LOADADDR=$(LOADADDR)
  75 else
  76   ifeq ($(CONFIG_ZBOOT_ROM),y)
  77     UIMAGE_LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
  78   else
  79     UIMAGE_LOADADDR=$(ZRELADDR)
  80   endif
  81 endif
  82
  83 check_for_multiple_loadaddr = \
  84 if [ $(words $(UIMAGE_LOADADDR)) -ne 1 ]; then \
  85         echo 'multiple (or no) load addresses: $(UIMAGE_LOADADDR)'; \
  86         echo 'This is incompatible with uImages'; \
  87         echo 'Specify LOADADDR on the commandline to build an uImage'; \
  88         false; \
  89 fi
  90
  91 $(obj)/uImage:  $(obj)/zImage FORCE
  92         @$(check_for_multiple_loadaddr)
  93         $(call if_changed,uimage)
  94         @$(kecho) '  Image $@ is ready'
  95
  96 $(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
  97         $(Q)$(MAKE) $(build)=$(obj)/bootp $@
  98         @:
  99
 100 $(obj)/bootpImage: $(obj)/bootp/bootp FORCE
 101         $(call if_changed,objcopy)
 102         @$(kecho) '  Kernel: $@ is ready'
 103
 104 PHONY += initrd FORCE
 105 initrd:
 106         @test "$(INITRD_PHYS)" != "" || \
 107         (echo This machine does not support INITRD; exit -1)
 108         @test "$(INITRD)" != "" || \
 109         (echo You must specify INITRD; exit -1)
 110
 111 install: $(obj)/Image
 112         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
 113         $(obj)/Image System.map "$(INSTALL_PATH)"
 114
 115 zinstall: $(obj)/zImage
 116         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
 117         $(obj)/zImage System.map "$(INSTALL_PATH)"
 118
 119 uinstall: $(obj)/uImage
 120         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
 121         $(obj)/uImage System.map "$(INSTALL_PATH)"
 122
 123 zi:
 124         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
 125         $(obj)/zImage System.map "$(INSTALL_PATH)"
 126
 127 i:
 128         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
 129         $(obj)/Image System.map "$(INSTALL_PATH)"
 130
 131 subdir-     := bootp compressed dts