isa.cc revision 7678
1/* 2 * Copyright (c) 2009 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 */ 30 31#include <cassert> 32 33#include "arch/alpha/isa.hh" 34#include "base/misc.hh" 35#include "cpu/thread_context.hh" 36 37namespace AlphaISA 38{ 39 40void 41ISA::serialize(EventManager *em, std::ostream &os) 42{ 43 SERIALIZE_SCALAR(fpcr); 44 SERIALIZE_SCALAR(uniq); 45 SERIALIZE_SCALAR(lock_flag); 46 SERIALIZE_SCALAR(lock_addr); 47 SERIALIZE_ARRAY(ipr, NumInternalProcRegs); 48} 49 50void 51ISA::unserialize(EventManager *em, Checkpoint *cp, const std::string §ion) 52{ 53 UNSERIALIZE_SCALAR(fpcr); 54 UNSERIALIZE_SCALAR(uniq); 55 UNSERIALIZE_SCALAR(lock_flag); 56 UNSERIALIZE_SCALAR(lock_addr); 57 UNSERIALIZE_ARRAY(ipr, NumInternalProcRegs); 58} 59 60 61MiscReg 62ISA::readMiscRegNoEffect(int misc_reg, ThreadID tid) 63{ 64 switch (misc_reg) { 65 case MISCREG_FPCR: 66 return fpcr; 67 case MISCREG_UNIQ: 68 return uniq; 69 case MISCREG_LOCKFLAG: 70 return lock_flag; 71 case MISCREG_LOCKADDR: 72 return lock_addr; 73 case MISCREG_INTR: 74 return intr_flag; 75 default: 76 assert(misc_reg < NumInternalProcRegs); 77 return ipr[misc_reg]; 78 } 79} 80 81MiscReg 82ISA::readMiscReg(int misc_reg, ThreadContext *tc, ThreadID tid) 83{ 84 switch (misc_reg) { 85 case MISCREG_FPCR: 86 return fpcr; 87 case MISCREG_UNIQ: 88 return uniq; 89 case MISCREG_LOCKFLAG: 90 return lock_flag; 91 case MISCREG_LOCKADDR: 92 return lock_addr; 93 case MISCREG_INTR: 94 return intr_flag; 95 default: 96 return readIpr(misc_reg, tc); 97 } 98} 99 100void 101ISA::setMiscRegNoEffect(int misc_reg, const MiscReg &val, ThreadID tid) 102{ 103 switch (misc_reg) { 104 case MISCREG_FPCR: 105 fpcr = val; 106 return; 107 case MISCREG_UNIQ: 108 uniq = val; 109 return; 110 case MISCREG_LOCKFLAG: 111 lock_flag = val; 112 return; 113 case MISCREG_LOCKADDR: 114 lock_addr = val; 115 return; 116 case MISCREG_INTR: 117 intr_flag = val; 118 return; 119 default: 120 assert(misc_reg < NumInternalProcRegs); 121 ipr[misc_reg] = val; 122 return; 123 } 124} 125 126void 127ISA::setMiscReg(int misc_reg, const MiscReg &val, ThreadContext *tc, 128 ThreadID tid) 129{ 130 switch (misc_reg) { 131 case MISCREG_FPCR: 132 fpcr = val; 133 return; 134 case MISCREG_UNIQ: 135 uniq = val; 136 return; 137 case MISCREG_LOCKFLAG: 138 lock_flag = val; 139 return; 140 case MISCREG_LOCKADDR: 141 lock_addr = val; 142 return; 143 case MISCREG_INTR: 144 intr_flag = val; 145 return; 146 default: 147 setIpr(misc_reg, val, tc); 148 return; 149 } 150} 151 152} 153