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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: Steve Reinhardt
* Gabe Black
* Kevin Lim
*/
#include "arch/alpha/miscregfile.hh"
#include "base/misc.hh"
namespace AlphaISA
{
void
MiscRegFile::serialize(std::ostream &os)
{
SERIALIZE_SCALAR(fpcr);
SERIALIZE_SCALAR(uniq);
SERIALIZE_SCALAR(lock_flag);
SERIALIZE_SCALAR(lock_addr);
#if FULL_SYSTEM
SERIALIZE_ARRAY(ipr, NumInternalProcRegs);
#endif
}
void
MiscRegFile::unserialize(Checkpoint *cp, const std::string §ion)
{
UNSERIALIZE_SCALAR(fpcr);
UNSERIALIZE_SCALAR(uniq);
UNSERIALIZE_SCALAR(lock_flag);
UNSERIALIZE_SCALAR(lock_addr);
#if FULL_SYSTEM
UNSERIALIZE_ARRAY(ipr, NumInternalProcRegs);
#endif
}
MiscReg
MiscRegFile::readReg(int misc_reg)
{
switch(misc_reg) {
case MISCREG_FPCR:
return fpcr;
case MISCREG_UNIQ:
return uniq;
case MISCREG_LOCKFLAG:
return lock_flag;
case MISCREG_LOCKADDR:
return lock_addr;
case MISCREG_INTR:
return intr_flag;
#if FULL_SYSTEM
default:
assert(misc_reg < NumInternalProcRegs);
return ipr[misc_reg];
#else
default:
panic("Attempt to read an invalid misc register!");
return 0;
#endif
}
}
MiscReg
MiscRegFile::readRegWithEffect(int misc_reg, ThreadContext *tc)
{
switch(misc_reg) {
case MISCREG_FPCR:
return fpcr;
case MISCREG_UNIQ:
return uniq;
case MISCREG_LOCKFLAG:
return lock_flag;
case MISCREG_LOCKADDR:
return lock_addr;
case MISCREG_INTR:
return intr_flag;
#if FULL_SYSTEM
default:
return readIpr(misc_reg, tc);
#else
default:
panic("No faulting misc regs in SE mode!");
return 0;
#endif
}
}
void
MiscRegFile::setReg(int misc_reg, const MiscReg &val)
{
switch(misc_reg) {
case MISCREG_FPCR:
fpcr = val;
return;
case MISCREG_UNIQ:
uniq = val;
return;
case MISCREG_LOCKFLAG:
lock_flag = val;
return;
case MISCREG_LOCKADDR:
lock_addr = val;
return;
case MISCREG_INTR:
intr_flag = val;
return;
#if FULL_SYSTEM
default:
assert(misc_reg < NumInternalProcRegs);
ipr[misc_reg] = val;
return;
#else
default:
panic("Attempt to write to an invalid misc register!");
#endif
}
}
void
MiscRegFile::setRegWithEffect(int misc_reg, const MiscReg &val,
ThreadContext *tc)
{
switch(misc_reg) {
case MISCREG_FPCR:
fpcr = val;
return;
case MISCREG_UNIQ:
uniq = val;
return;
case MISCREG_LOCKFLAG:
lock_flag = val;
return;
case MISCREG_LOCKADDR:
lock_addr = val;
return;
case MISCREG_INTR:
intr_flag = val;
return;
default:
#if FULL_SYSTEM
setIpr(misc_reg, val, tc);
#else
panic("No registers with side effects in SE mode!");
#endif
return;
}
}
}
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