src/arch/mips/isa_traits.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  *          Korey Sewell
  30  */
  31
  32 #include "arch/mips/isa_traits.hh"
  33 #include "config/full_system.hh"
  34 #include "cpu/static_inst.hh"
  35 #include "sim/serialize.hh"
  36 #include "base/bitfield.hh"
  37
  38 using namespace MipsISA;
  39 using namespace std;
  40
  41
  42 void
  43 MipsISA::copyRegs(ThreadContext *src, ThreadContext *dest)
  44 {
  45     panic("Copy Regs Not Implemented Yet\n");
  46     /*fpcr = xc->readMiscReg(MipsISA::Fpcr_DepTag);
  47     uniq = xc->readMiscReg(MipsISA::Uniq_DepTag);
  48     lock_flag = xc->readMiscReg(MipsISA::Lock_Flag_DepTag);
  49     lock_addr = xc->readMiscReg(MipsISA::Lock_Addr_DepTag);
  50
  51 #if FULL_SYSTEM
  52     copyIprs(xc);
  53     #endif*/
  54 }
  55
  56 void
  57 MipsISA::MiscRegFile::copyMiscRegs(ThreadContext *tc)
  58 {
  59     panic("Copy Misc. Regs Not Implemented Yet\n");
  60     /*fpcr = xc->readMiscReg(MipsISA::Fpcr_DepTag);
  61     uniq = xc->readMiscReg(MipsISA::Uniq_DepTag);
  62     lock_flag = xc->readMiscReg(MipsISA::Lock_Flag_DepTag);
  63     lock_addr = xc->readMiscReg(MipsISA::Lock_Addr_DepTag);
  64
  65     #endif*/
  66 }
  67
  68 #if FULL_SYSTEM
  69
  70 static inline Addr
  71 TruncPage(Addr addr)
  72 { return addr & ~(MipsISA::PageBytes - 1); }
  73
  74 static inline Addr
  75 RoundPage(Addr addr)
  76 { return (addr + MipsISA::PageBytes - 1) & ~(MipsISA::PageBytes - 1); }
  77 #endif
  78
  79 void
  80 IntRegFile::serialize(std::ostream &os)
  81 {
  82     SERIALIZE_ARRAY(regs, NumIntRegs);
  83 }
  84
  85 void
  86 IntRegFile::unserialize(Checkpoint *cp, const std::string &section)
  87 {
  88     UNSERIALIZE_ARRAY(regs, NumIntRegs);
  89 }
  90
  91 void
  92 RegFile::serialize(std::ostream &os)
  93 {
  94     intRegFile.serialize(os);
  95     //SERIALIZE_ARRAY(floatRegFile.q, NumFloatRegs);
  96     //SERIALIZE_SCALAR(miscRegs.fpcr);
  97     //SERIALIZE_SCALAR(miscRegs.uniq);
  98     //SERIALIZE_SCALAR(miscRegs.lock_flag);
  99     //SERIALIZE_SCALAR(miscRegs.lock_addr);
 100     SERIALIZE_SCALAR(pc);
 101     SERIALIZE_SCALAR(npc);
 102     SERIALIZE_SCALAR(nnpc);
 103 #if FULL_SYSTEM
 104     SERIALIZE_ARRAY(palregs, NumIntRegs);
 105     SERIALIZE_ARRAY(ipr, NumInternalProcRegs);
 106     SERIALIZE_SCALAR(intrflag);
 107     SERIALIZE_SCALAR(pal_shadow);
 108 #endif
 109 }
 110
 111
 112 void
 113 RegFile::unserialize(Checkpoint *cp, const std::string &section)
 114 {
 115     intRegFile.unserialize(cp, section);
 116     //UNSERIALIZE_ARRAY(floatRegFile.q, NumFloatRegs);
 117     //UNSERIALIZE_SCALAR(miscRegs.fpcr);
 118     //UNSERIALIZE_SCALAR(miscRegs.uniq);
 119     //UNSERIALIZE_SCALAR(miscRegs.lock_flag);
 120     //UNSERIALIZE_SCALAR(miscRegs.lock_addr);
 121     UNSERIALIZE_SCALAR(pc);
 122     UNSERIALIZE_SCALAR(npc);
 123     UNSERIALIZE_SCALAR(nnpc);
 124 #if FULL_SYSTEM
 125     UNSERIALIZE_ARRAY(palregs, NumIntRegs);
 126     UNSERIALIZE_ARRAY(ipr, NumInternalProcRegs);
 127     UNSERIALIZE_SCALAR(intrflag);
 128     UNSERIALIZE_SCALAR(pal_shadow);
 129 #endif
 130 }
 131
 132
 133 #if FULL_SYSTEM
 134 void
 135 PTE::serialize(std::ostream &os)
 136 {
 137     SERIALIZE_SCALAR(tag);
 138     SERIALIZE_SCALAR(ppn);
 139     SERIALIZE_SCALAR(xre);
 140     SERIALIZE_SCALAR(xwe);
 141     SERIALIZE_SCALAR(asn);
 142     SERIALIZE_SCALAR(asma);
 143     SERIALIZE_SCALAR(fonr);
 144     SERIALIZE_SCALAR(fonw);
 145     SERIALIZE_SCALAR(valid);
 146 }
 147
 148
 149 void
 150 PTE::unserialize(Checkpoint *cp, const std::string &section)
 151 {
 152     UNSERIALIZE_SCALAR(tag);
 153     UNSERIALIZE_SCALAR(ppn);
 154     UNSERIALIZE_SCALAR(xre);
 155     UNSERIALIZE_SCALAR(xwe);
 156     UNSERIALIZE_SCALAR(asn);
 157     UNSERIALIZE_SCALAR(asma);
 158     UNSERIALIZE_SCALAR(fonr);
 159     UNSERIALIZE_SCALAR(fonw);
 160     UNSERIALIZE_SCALAR(valid);
 161 }
 162
 163 #endif //FULL_SYSTEM