arch/mips/Makefile

   1 # $Id: Makefile,v 1.13 1998/08/17 10:16:23 ralf Exp $
   2 #
   3 # This file is subject to the terms and conditions of the GNU General Public
   4 # License.  See the file "COPYING" in the main directory of this archive
   5 # for more details.
   6 #
   7 # Copyright (C) 1994, 1995, 1996 by Ralf Baechle
   8 # DECStation modifications by Paul M. Antoine, 1996
   9 #
  10 # This file is included by the global makefile so that you can add your own
  11 # architecture-specific flags and dependencies. Remember to do have actions
  12 # for "archclean" and "archdep" for cleaning up and making dependencies for
  13 # this architecture
  14 #
  15
  16 #
  17 # Select the object file format to substitute into the linker script.
  18 #
  19 ifdef CONFIG_CPU_LITTLE_ENDIAN
  20 tool-prefix     = mipsel-linux-
  21 ifdef CONFIG_MIPS_ECOFF
  22 oformat         = ecoff-littlemips
  23 else
  24 oformat         = elf32-littlemips
  25 endif
  26 else
  27 tool-prefix     = mips-linux-
  28 ifdef CONFIG_MIPS_ECOFF
  29 oformat         = ecoff-bigmips
  30 else
  31 oformat         = elf32-bigmips
  32 endif
  33 endif
  34
  35 ifdef CONFIG_CROSSCOMPILE
  36 CROSS_COMPILE  = $(tool-prefix)
  37 endif
  38
  39 LINKFLAGS       = -static -N
  40 MODFLAGS        += -mlong-calls
  41
  42 #
  43 # The new ELF GCC uses -G0 -mabicalls -fpic as default.  We don't need PIC
  44 # code in the kernel since it only slows down the whole thing.  For the
  45 # old GCC these options are just the defaults.  At some point we might
  46 # make use of global pointer optimizations.
  47 #
  48 # The DECStation requires an ECOFF kernel for remote booting, other MIPS
  49 # machines may also.
  50 #
  51 ifdef CONFIG_ELF_KERNEL
  52 CFLAGS          += -G 0 -mno-abicalls -fno-pic
  53 LINKFLAGS       += -G 0
  54 endif
  55 ifdef CONFIG_ECOFF_KERNEL
  56 CFLAGS          += -G 0 -mno-abicalls -fno-pic
  57 LINKFLAGS       += -G 0 -oformat ecoff-littlemips
  58 endif
  59
  60 ifdef CONFIG_REMOTE_DEBUG
  61 CFLAGS          := $(CFLAGS) -g
  62 endif
  63
  64 #
  65 # CPU-dependent compiler/assembler options for optimization.
  66 #
  67 ifdef CONFIG_CPU_R3000
  68 CFLAGS          := $(CFLAGS) -mcpu=r3000 -mips1
  69 endif
  70 ifdef CONFIG_CPU_R6000
  71 CFLAGS          := $(CFLAGS) -mcpu=r6000 -mips2
  72 endif
  73 ifdef CONFIG_CPU_R4300
  74 CFLAGS          := $(CFLAGS) -mcpu=r4300 -mips2
  75 endif
  76 ifdef CONFIG_CPU_R4X00
  77 CFLAGS          := $(CFLAGS) -mcpu=r4600 -mips2
  78 endif
  79 ifdef CONFIG_CPU_R5000
  80 CFLAGS          := $(CFLAGS) -mcpu=r8000 -mips2
  81 endif
  82 ifdef CONFIG_CPU_NEVADA
  83 CFLAGS          := $(CFLAGS) -mcpu=r8000 -mips2 -mmad
  84 endif
  85 ifdef CONFIG_CPU_R8000
  86 CFLAGS          := $(CFLAGS) -mcpu=r8000 -mips2
  87 endif
  88 ifdef CONFIG_CPU_R10000
  89 CFLAGS          := $(CFLAGS) -mcpu=r8000 -mips2
  90 endif
  91
  92 #
  93 # Board-dependent options and extra files
  94 #
  95 ifdef CONFIG_ALGOR_P4032
  96 CORE_FILES    += arch/mips/algor/algor.o
  97 SUBDIRS       += arch/mips/algor
  98 #LOADADDR      += 0x80000000
  99 endif
 100
 101 #
 102 # DECstation family
 103 #
 104 ifdef CONFIG_DECSTATION
 105 CORE_FILES    += arch/mips/dec/dec.o
 106 SUBDIRS       += arch/mips/dec arch/mips/dec/prom
 107 LIBS          += arch/mips/dec/prom/rexlib.a
 108 LOADADDR      += 0x80040000
 109 endif
 110
 111 #
 112 # Acer PICA 61, Mips Magnum 4000 and Olivetti M700.
 113 #
 114 ifdef CONFIG_MIPS_JAZZ
 115 CORE_FILES    += arch/mips/jazz/jazz.o
 116 SUBDIRS       += arch/mips/jazz arch/mips/arc
 117 LIBS          += arch/mips/arc/arclib.a
 118 LOADADDR      += 0x80080000
 119 endif
 120
 121 ifdef CONFIG_SNI_RM200_PCI
 122 CORE_FILES    += arch/mips/sni/sni.o
 123 SUBDIRS       += arch/mips/sni arch/mips/arc
 124 LIBS          += arch/mips/arc/arclib.a
 125 LOADADDR      += 0x80080000
 126 endif
 127
 128 ifdef CONFIG_SGI
 129 LIBS          += arch/mips/sgi/kernel/sgikern.a arch/mips/arc/arclib.a
 130 SUBDIRS       += arch/mips/sgi/kernel arch/mips/arc
 131 #
 132 # Set LOADADDR to >= 0x88069000 if you want to leave space for symmon,
 133 # 0x88002000 for production kernels.  Note that the value must be
 134 # 8kb aligned or the handling of the current variable will break.
 135 #
 136 LOADADDR      += 0x88002000
 137 HOSTCC        = cc
 138 endif
 139
 140 #
 141 # Baget/MIPS
 142 #
 143 ifdef CONFIG_BAGET_MIPS
 144 SUBDIRS       += arch/mips/baget arch/mips/baget/prom
 145 LIBS          += arch/mips/baget/baget.a arch/mips/baget/prom/bagetlib.a
 146 endif
 147
 148 #
 149 # Choosing incompatible machines durings configuration will result in
 150 # error messages during linking.  Select a default linkscript if
 151 # none has been choosen above.
 152 #
 153 ifndef LINKSCRIPT
 154 ifndef CONFIG_CPU_LITTLE_ENDIAN
 155 LINKSCRIPT    = arch/mips/ld.script.big
 156 else
 157 LINKSCRIPT    = arch/mips/ld.script.little
 158 endif
 159 endif
 160 LINKFLAGS     += -T $(word 1,$(LINKSCRIPT))
 161
 162 ifdef LOADADDR
 163 LINKFLAGS     += -Ttext $(word 1,$(LOADADDR))
 164 endif
 165
 166 #
 167 # The pipe options is bad for my low-mem machine
 168 # Uncomment this if you want this.
 169 #
 170 CFLAGS          += -pipe
 171
 172 HEAD := arch/mips/kernel/head.o arch/mips/kernel/init_task.o
 173
 174 SUBDIRS := $(SUBDIRS) $(addprefix arch/mips/, kernel mm lib tools)
 175 CORE_FILES := arch/mips/kernel/kernel.o arch/mips/mm/mm.o $(CORE_FILES)
 176 LIBS := arch/mips/lib/lib.a $(LIBS)
 177
 178 ifdef CONFIG_BAGET_MIPS
 179
 180 BAGETBOOT = $(MAKE) -C arch/$(ARCH)/baget
 181
 182 balo:  vmlinux
 183         $(BAGETBOOT) balo
 184
 185 endif
 186
 187 MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
 188
 189 zImage: vmlinux
 190         @$(MAKEBOOT) zImage
 191
 192 compressed: zImage
 193
 194 zdisk: vmlinux
 195         @$(MAKEBOOT) zdisk
 196
 197 archclean:
 198         @$(MAKEBOOT) clean
 199         $(MAKE) -C arch/$(ARCH)/kernel clean
 200         $(MAKE) -C arch/$(ARCH)/tools clean
 201
 202 archmrproper:
 203
 204 archdep:
 205         @$(MAKEBOOT) dep