src/arch/x86/emulenv.hh

   1 /*
   2  * Copyright (c) 2007 The Hewlett-Packard Development Company
   3  * All rights reserved.
   4  *
   5  * Redistribution and use of this software in source and binary forms,
   6  * with or without modification, are permitted provided that the
   7  * following conditions are met:
   8  *
   9  * The software must be used only for Non-Commercial Use which means any
  10  * use which is NOT directed to receiving any direct monetary
  11  * compensation for, or commercial advantage from such use.  Illustrative
  12  * examples of non-commercial use are academic research, personal study,
  13  * teaching, education and corporate research & development.
  14  * Illustrative examples of commercial use are distributing products for
  15  * commercial advantage and providing services using the software for
  16  * commercial advantage.
  17  *
  18  * If you wish to use this software or functionality therein that may be
  19  * covered by patents for commercial use, please contact:
  20  *     Director of Intellectual Property Licensing
  21  *     Office of Strategy and Technology
  22  *     Hewlett-Packard Company
  23  *     1501 Page Mill Road
  24  *     Palo Alto, California  94304
  25  *
  26  * Redistributions of source code must retain the above copyright notice,
  27  * this list of conditions and the following disclaimer.  Redistributions
  28  * in binary form must reproduce the above copyright notice, this list of
  29  * conditions and the following disclaimer in the documentation and/or
  30  * other materials provided with the distribution.  Neither the name of
  31  * the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
  32  * contributors may be used to endorse or promote products derived from
  33  * this software without specific prior written permission.  No right of
  34  * sublicense is granted herewith.  Derivatives of the software and
  35  * output created using the software may be prepared, but only for
  36  * Non-Commercial Uses.  Derivatives of the software may be shared with
  37  * others provided: (i) the others agree to abide by the list of
  38  * conditions herein which includes the Non-Commercial Use restrictions;
  39  * and (ii) such Derivatives of the software include the above copyright
  40  * notice to acknowledge the contribution from this software where
  41  * applicable, this list of conditions and the disclaimer below.
  42  *
  43  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  44  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  45  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  46  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  47  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  48  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  49  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  50  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  51  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  52  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  53  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  54  *
  55  * Authors: Gabe Black
  56  */
  57
  58 #ifndef __ARCH_X86_EMULENV_HH__
  59 #define __ARCH_X86_EMULENV_HH__
  60
  61 #include "arch/x86/intregs.hh"
  62 #include "arch/x86/segmentregs.hh"
  63 #include "arch/x86/registers.hh"
  64 #include "arch/x86/types.hh"
  65
  66 namespace X86ISA
  67 {
  68     struct EmulEnv
  69     {
  70         RegIndex reg;
  71         RegIndex regm;
  72         SegmentRegIndex seg;
  73         uint8_t scale;
  74         RegIndex index;
  75         RegIndex base;
  76         int dataSize;
  77         int addressSize;
  78         int stackSize;
  79
  80         EmulEnv(RegIndex _reg, RegIndex _regm,
  81                 int _dataSize, int _addressSize, int _stackSize) :
  82             reg(_reg), regm(_regm), seg(SEGMENT_REG_DS),
  83             scale(0), index(NUM_INTREGS),
  84             base(NUM_INTREGS),
  85             dataSize(_dataSize), addressSize(_addressSize),
  86             stackSize(_stackSize)
  87         {;}
  88
  89         void doModRM(const ExtMachInst & machInst);
  90         void setSeg(const ExtMachInst & machInst);
  91     };
  92 };
  93
  94 #endif // __ARCH_X86_TYPES_HH__