registers.hh revision 6320
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: Gabe Black 29 * Ali Saidi 30 */ 31 32#ifndef __ARCH_SPARC_REGFILE_HH__ 33#define __ARCH_SPARC_REGFILE_HH__ 34 35#include <string> 36 37#include "arch/sparc/miscregfile.hh" 38#include "arch/sparc/sparc_traits.hh" 39#include "base/types.hh" 40#include "sim/serialize.hh" 41 42class Checkpoint; 43class EventManager; 44class ThreadContext; 45 46namespace SparcISA 47{ 48 const int NumIntArchRegs = 32; 49 const int NumIntRegs = (MaxGL + 1) * 8 + NWindows * 16 + NumMicroIntRegs; 50 51 class RegFile 52 { 53 protected: 54 Addr pc; // Program Counter 55 Addr npc; // Next Program Counter 56 Addr nnpc; 57 58 public: 59 Addr readPC(); 60 void setPC(Addr val); 61 62 Addr readNextPC(); 63 void setNextPC(Addr val); 64 65 Addr readNextNPC(); 66 void setNextNPC(Addr val); 67 68 public: 69 70 void clear() 71 {} 72 73 void serialize(EventManager *em, std::ostream &os); 74 void unserialize(EventManager *em, Checkpoint *cp, 75 const std::string §ion); 76 77 public: 78 }; 79 80 void copyRegs(ThreadContext *src, ThreadContext *dest); 81 82 void copyMiscRegs(ThreadContext *src, ThreadContext *dest); 83 84} // namespace SparcISA 85 86#endif 87