src/arch/alpha/types.hh

   1 /*
   2  * Copyright (c) 2003-2005 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: Nathan Binkert
  29  *          Steve Reinhardt
  30  */
  31
  32 #ifndef __ARCH_ALPHA_TYPES_HH__
  33 #define __ARCH_ALPHA_TYPES_HH__
  34
  35 #include "sim/host.hh"
  36
  37 namespace AlphaISA {
  38
  39 typedef uint32_t MachInst;
  40 typedef uint64_t ExtMachInst;
  41 typedef uint8_t  RegIndex;
  42
  43 typedef uint64_t IntReg;
  44 typedef uint64_t LargestRead;
  45
  46 // floating point register file entry type
  47 typedef double FloatReg;
  48 typedef uint64_t FloatRegBits;
  49
  50 // control register file contents
  51 typedef uint64_t MiscReg;
  52
  53 union AnyReg
  54 {
  55     IntReg  intreg;
  56     FloatReg   fpreg;
  57     MiscReg ctrlreg;
  58 };
  59
  60 enum annotes
  61 {
  62     ANNOTE_NONE = 0,
  63     // An impossible number for instruction annotations
  64     ITOUCH_ANNOTE = 0xffffffff,
  65 };
  66
  67 struct CoreSpecific
  68 {
  69     int core_type;
  70 };
  71
  72 } // namespace AlphaISA
  73
  74 #endif // __ARCH_ALPHA_TYPES_HH__