src/arch/mips/types.hh

   1 /*
   2  * Copyright (c) 2006 The Regents of The University of Michigan
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met: redistributions of source code must retain the above copyright
   8  * notice, this list of conditions and the following disclaimer;
   9  * redistributions in binary form must reproduce the above copyright
  10  * notice, this list of conditions and the following disclaimer in the
  11  * documentation and/or other materials provided with the distribution;
  12  * neither the name of the copyright holders nor the names of its
  13  * contributors may be used to endorse or promote products derived from
  14  * this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * Authors: Korey Sewell
  29  */
  30
  31 #ifndef __ARCH_MIPS_TYPES_HH__
  32 #define __ARCH_MIPS_TYPES_HH__
  33
  34 #include "sim/host.hh"
  35
  36 namespace MipsISA
  37 {
  38     typedef uint32_t MachInst;
  39     typedef uint64_t ExtMachInst;
  40     typedef uint8_t  RegIndex;
  41
  42     typedef uint32_t IntReg;
  43
  44     // floating point register file entry type
  45     typedef uint32_t FloatReg32;
  46     typedef uint64_t FloatReg64;
  47     typedef uint64_t FloatRegBits;
  48
  49     typedef double FloatRegVal;
  50     typedef double FloatReg;
  51
  52     // cop-0/cop-1 system control register
  53     typedef uint64_t MiscReg;
  54
  55     typedef union {
  56         IntReg   intreg;
  57         FloatReg fpreg;
  58         MiscReg  ctrlreg;
  59     } AnyReg;
  60
  61     typedef int RegContextParam;
  62     typedef int RegContextVal;
  63
  64     //used in FP convert & round function
  65     enum ConvertType{
  66         SINGLE_TO_DOUBLE,
  67         SINGLE_TO_WORD,
  68         SINGLE_TO_LONG,
  69
  70         DOUBLE_TO_SINGLE,
  71         DOUBLE_TO_WORD,
  72         DOUBLE_TO_LONG,
  73
  74         LONG_TO_SINGLE,
  75         LONG_TO_DOUBLE,
  76         LONG_TO_WORD,
  77         LONG_TO_PS,
  78
  79         WORD_TO_SINGLE,
  80         WORD_TO_DOUBLE,
  81         WORD_TO_LONG,
  82         WORD_TO_PS,
  83
  84         PL_TO_SINGLE,
  85         PU_TO_SINGLE
  86     };
  87
  88     //used in FP convert & round function
  89     enum RoundMode{
  90         RND_ZERO,
  91         RND_DOWN,
  92         RND_UP,
  93         RND_NEAREST
  94    };
  95
  96 } // namespace MipsISA
  97
  98 #endif