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/*
* Copyright (c) 2003-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Gabe Black
*/
#ifndef __ARCH_ALPHA_REGFILE_HH__
#define __ARCH_ALPHA_REGFILE_HH__
#include "arch/alpha/isa_traits.hh"
#include "arch/alpha/miscregfile.hh"
#include "arch/alpha/types.hh"
#include "arch/alpha/mt.hh"
#include "sim/faults.hh"
#include <string>
//XXX These should be implemented by someone who knows the alpha stuff better
class Checkpoint;
class EventManager;
class ThreadContext;
namespace AlphaISA {
// redirected register map, really only used for the full system case.
extern const int reg_redir[NumIntRegs];
class RegFile {
protected:
Addr pc; // program counter
Addr npc; // next-cycle program counter
Addr nnpc; // next next-cycle program counter
public:
Addr
readPC()
{
return pc;
}
void
setPC(Addr val)
{
pc = val;
}
Addr
readNextPC()
{
return npc;
}
void
setNextPC(Addr val)
{
npc = val;
}
Addr
readNextNPC()
{
return npc + sizeof(MachInst);
}
void
setNextNPC(Addr val)
{ }
public:
#if FULL_SYSTEM
int intrflag; // interrupt flag
#endif // FULL_SYSTEM
void
clear()
{
}
void serialize(EventManager *em, std::ostream &os);
void unserialize(EventManager *em, Checkpoint *cp,
const std::string §ion);
};
void copyRegs(ThreadContext *src, ThreadContext *dest);
void copyMiscRegs(ThreadContext *src, ThreadContext *dest);
} // namespace AlphaISA
#endif // __ARCH_ALPHA_REGFILE_HH__
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