arch/m68k/Makefile

   1 #
   2 # m68k/Makefile
   3 #
   4 # This file is included by the global makefile so that you can add your own
   5 # architecture-specific flags and dependencies. Remember to do have actions
   6 # for "archclean" and "archdep" for cleaning up and making dependencies for
   7 # this architecture
   8 #
   9 # This file is subject to the terms and conditions of the GNU General Public
  10 # License.  See the file "COPYING" in the main directory of this archive
  11 # for more details.
  12 #
  13 # Copyright (C) 1994 by Hamish Macdonald
  14 # Copyright (C) 2002,2011 Greg Ungerer <gerg@snapgear.com>
  15 #
  16
  17 KBUILD_DEFCONFIG := multi_defconfig
  18
  19 ifneq ($(SUBARCH),$(ARCH))
  20         ifeq ($(CROSS_COMPILE),)
  21                 CROSS_COMPILE := $(call cc-cross-prefix, \
  22                         m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-)
  23         endif
  24 endif
  25
  26 #
  27 #       Enable processor type. Ordering of these is important - we want to
  28 #       use the minimum processor type of the range we support. The logic
  29 #       for 680x0 will only allow use of the -m68060 or -m68040 if no other
  30 #       680x0 type is specified - and no option is specified for 68030 or
  31 #       68020. The other m68k/ColdFire types always specify some type of
  32 #       compiler cpu type flag.
  33 #
  34 ifndef CONFIG_M68040
  35 cpuflags-$(CONFIG_M68060)       = -m68060
  36 endif
  37 ifndef CONFIG_M68060
  38 cpuflags-$(CONFIG_M68040)       = -m68040
  39 endif
  40 cpuflags-$(CONFIG_M68030)       =
  41 cpuflags-$(CONFIG_M68020)       =
  42 cpuflags-$(CONFIG_M68000)       = -m68000
  43 cpuflags-$(CONFIG_M5441x)       = $(call cc-option,-mcpu=54455,-mcfv4e)
  44 cpuflags-$(CONFIG_M54xx)        = $(call cc-option,-mcpu=5475,-m5200)
  45 cpuflags-$(CONFIG_M5407)        = $(call cc-option,-mcpu=5407,-m5200)
  46 cpuflags-$(CONFIG_M532x)        = $(call cc-option,-mcpu=532x,-m5307)
  47 cpuflags-$(CONFIG_M537x)        = $(call cc-option,-mcpu=537x,-m5307)
  48 cpuflags-$(CONFIG_M5307)        = $(call cc-option,-mcpu=5307,-m5200)
  49 cpuflags-$(CONFIG_M528x)        = $(call cc-option,-mcpu=528x,-m5307)
  50 cpuflags-$(CONFIG_M5275)        = $(call cc-option,-mcpu=5275,-m5307)
  51 cpuflags-$(CONFIG_M5272)        = $(call cc-option,-mcpu=5272,-m5307)
  52 cpuflags-$(CONFIG_M5271)        = $(call cc-option,-mcpu=5271,-m5307)
  53 cpuflags-$(CONFIG_M523x)        = $(call cc-option,-mcpu=523x,-m5307)
  54 cpuflags-$(CONFIG_M525x)        = $(call cc-option,-mcpu=5253,-m5200)
  55 cpuflags-$(CONFIG_M5249)        = $(call cc-option,-mcpu=5249,-m5200)
  56 cpuflags-$(CONFIG_M520x)        = $(call cc-option,-mcpu=5208,-m5200)
  57 cpuflags-$(CONFIG_M5206e)       = $(call cc-option,-mcpu=5206e,-m5200)
  58 cpuflags-$(CONFIG_M5206)        = $(call cc-option,-mcpu=5206,-m5200)
  59
  60 # Evaluate tune cc-option calls now
  61 cpuflags-y := $(cpuflags-y)
  62
  63 KBUILD_AFLAGS += $(cpuflags-y)
  64 KBUILD_CFLAGS += $(cpuflags-y)
  65
  66 KBUILD_CFLAGS += -pipe -ffreestanding
  67
  68 ifdef CONFIG_MMU
  69 # without -fno-strength-reduce the 53c7xx.c driver fails ;-(
  70 KBUILD_CFLAGS += -fno-strength-reduce -ffixed-a2
  71 else
  72 # we can use a m68k-linux-gcc toolchain with these in place
  73 KBUILD_CPPFLAGS += -DUTS_SYSNAME=\"uClinux\"
  74 KBUILD_CPPFLAGS += -D__uClinux__
  75 endif
  76
  77 KBUILD_LDFLAGS := -m m68kelf
  78
  79 ifdef CONFIG_SUN3
  80 LDFLAGS_vmlinux = -N
  81 endif
  82
  83 CHECKFLAGS += -D__mc68000__
  84
  85
  86 ifdef CONFIG_KGDB
  87 # If configured for kgdb support, include debugging infos and keep the
  88 # frame pointer
  89 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
  90 endif
  91
  92 #
  93 # Select the assembler head startup code. Order is important. The default
  94 # head code is first, processor specific selections can override it after.
  95 #
  96 head-y                          := arch/m68k/kernel/head.o
  97 head-$(CONFIG_SUN3)             := arch/m68k/kernel/sun3-head.o
  98 head-$(CONFIG_M68000)           := arch/m68k/68000/head.o
  99 head-$(CONFIG_COLDFIRE)         := arch/m68k/coldfire/head.o
 100
 101 core-y                          += arch/m68k/
 102 libs-y                          += arch/m68k/lib/
 103
 104
 105 all:    zImage
 106
 107 lilo:   vmlinux
 108         if [ -f $(INSTALL_PATH)/vmlinux ]; then mv -f $(INSTALL_PATH)/vmlinux $(INSTALL_PATH)/vmlinux.old; fi
 109         if [ -f $(INSTALL_PATH)/System.map ]; then mv -f $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
 110         cat vmlinux > $(INSTALL_PATH)/vmlinux
 111         cp System.map $(INSTALL_PATH)/System.map
 112         if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
 113
 114 zImage compressed: vmlinux.gz
 115
 116 vmlinux.gz: vmlinux
 117
 118 ifndef CONFIG_KGDB
 119         cp vmlinux vmlinux.tmp
 120         $(STRIP) vmlinux.tmp
 121         $(KGZIP) -9c vmlinux.tmp >vmlinux.gz
 122         rm vmlinux.tmp
 123 else
 124         $(KGZIP) -9c vmlinux >vmlinux.gz
 125 endif
 126
 127 bzImage: vmlinux.bz2
 128
 129 vmlinux.bz2: vmlinux
 130
 131 ifndef CONFIG_KGDB
 132         cp vmlinux vmlinux.tmp
 133         $(STRIP) vmlinux.tmp
 134         $(KBZIP2) -1c vmlinux.tmp >vmlinux.bz2
 135         rm vmlinux.tmp
 136 else
 137         $(KBZIP2) -1c vmlinux >vmlinux.bz2
 138 endif
 139
 140 CLEAN_FILES += vmlinux.gz vmlinux.bz2
 141
 142 archheaders:
 143         $(Q)$(MAKE) $(build)=arch/m68k/kernel/syscalls all
 144
 145 install:
 146         sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)"