src/arch/sparc/intregfile.cc

   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 #include "arch/sparc/intregfile.hh"
  33 #include "base/trace.hh"
  34 #include "base/misc.hh"
  35 #include "sim/serialize.hh"
  36
  37 #include <string.h>
  38
  39 using namespace SparcISA;
  40 using namespace std;
  41
  42 class Checkpoint;
  43
  44 void IntRegFile::clear()
  45 {
  46     memset(regs, 0, sizeof(IntReg) * NumIntRegs);
  47 }
  48
  49 IntRegFile::IntRegFile()
  50 {
  51     clear();
  52 }
  53
  54 IntReg IntRegFile::readReg(int intReg)
  55 {
  56     DPRINTF(IntRegs, "Read register %d = 0x%x\n", intReg, regs[intReg]);
  57     return regs[intReg];
  58 }
  59
  60 void IntRegFile::setReg(int intReg, const IntReg &val)
  61 {
  62     if(intReg)
  63     {
  64         DPRINTF(IntRegs, "Wrote register %d = 0x%x\n", intReg, val);
  65         regs[intReg] = val;
  66     }
  67     return;
  68 }
  69
  70 void IntRegFile::serialize(std::ostream &os)
  71 {
  72     SERIALIZE_ARRAY(regs, NumIntRegs);
  73     SERIALIZE_ARRAY(microRegs, NumMicroIntRegs);
  74 }
  75
  76 void IntRegFile::unserialize(Checkpoint *cp, const std::string &section)
  77 {
  78     UNSERIALIZE_ARRAY(regs, NumIntRegs);
  79     UNSERIALIZE_ARRAY(microRegs, NumMicroIntRegs);
  80 }