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 MKIMAGE         := $(srctree)/scripts/mkuboot.sh
  15
  16 ifneq ($(MACHINE),)
  17 include $(srctree)/$(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         @echo '  Kernel: $@ is ready (physical address: $(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         @echo '  Kernel: $@ is ready'
  52
  53 $(obj)/compressed/vmlinux: $(obj)/Image FORCE
  54         $(Q)$(MAKE) $(build)=$(obj)/compressed $@
  55
  56 $(obj)/zImage:  $(obj)/compressed/vmlinux FORCE
  57         $(call if_changed,objcopy)
  58         @echo '  Kernel: $@ is ready'
  59
  60 endif
  61
  62 quiet_cmd_uimage = UIMAGE  $@
  63       cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \
  64                    -C none -a $(LOADADDR) -e $(STARTADDR) \
  65                    -n 'Linux-$(KERNELRELEASE)' -d $< $@
  66
  67 ifeq ($(CONFIG_ZBOOT_ROM),y)
  68 $(obj)/uImage: LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
  69 else
  70 $(obj)/uImage: LOADADDR=$(ZRELADDR)
  71 endif
  72
  73 ifeq ($(CONFIG_THUMB2_KERNEL),y)
  74 # Set bit 0 to 1 so that "mov pc, rx" switches to Thumb-2 mode
  75 $(obj)/uImage: STARTADDR=$(shell echo $(LOADADDR) | sed -e "s/.$$/1/")
  76 else
  77 $(obj)/uImage: STARTADDR=$(LOADADDR)
  78 endif
  79
  80 $(obj)/uImage:  $(obj)/zImage FORCE
  81         $(call if_changed,uimage)
  82         @echo '  Image $@ is ready'
  83
  84 $(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
  85         $(Q)$(MAKE) $(build)=$(obj)/bootp $@
  86         @:
  87
  88 $(obj)/bootpImage: $(obj)/bootp/bootp FORCE
  89         $(call if_changed,objcopy)
  90         @echo '  Kernel: $@ is ready'
  91
  92 PHONY += initrd FORCE
  93 initrd:
  94         @test "$(INITRD_PHYS)" != "" || \
  95         (echo This machine does not support INITRD; exit -1)
  96         @test "$(INITRD)" != "" || \
  97         (echo You must specify INITRD; exit -1)
  98
  99 install: $(obj)/Image
 100         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
 101         $(obj)/Image System.map "$(INSTALL_PATH)"
 102
 103 zinstall: $(obj)/zImage
 104         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
 105         $(obj)/zImage System.map "$(INSTALL_PATH)"
 106
 107 zi:
 108         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
 109         $(obj)/zImage System.map "$(INSTALL_PATH)"
 110
 111 i:
 112         $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
 113         $(obj)/Image System.map "$(INSTALL_PATH)"
 114
 115 subdir-     := bootp compressed