thread_state.cc revision 2689
1/* 2 * Copyright (c) 2006 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: Kevin Lim 29 */ 30 31#include "base/output.hh" 32#include "cpu/profile.hh" 33#include "cpu/thread_state.hh" 34 35#if FULL_SYSTEM 36ThreadState::ThreadState(int _cpuId, int _tid) 37 : cpuId(_cpuId), tid(_tid), lastActivate(0), lastSuspend(0), 38 profile(NULL), profileNode(NULL), profilePC(0), quiesceEvent(NULL), 39 funcExeInst(0), storeCondFailures(0) 40#else 41ThreadState::ThreadState(int _cpuId, int _tid, MemObject *mem, 42 Process *_process, short _asid) 43 : cpuId(_cpuId), tid(_tid), lastActivate(0), lastSuspend(0), 44 process(_process), asid(_asid), 45 funcExeInst(0), storeCondFailures(0) 46#endif 47{ 48#if !FULL_SYSTEM 49 /* Use this port to for syscall emulation writes to memory. */ 50 Port *mem_port; 51 port = new TranslatingPort(csprintf("%d-funcport", 52 tid), 53 process->pTable, false); 54 mem_port = mem->getPort("functional"); 55 mem_port->setPeer(port); 56 port->setPeer(mem_port); 57#endif 58} 59 60#if FULL_SYSTEM 61 62void 63ThreadState::profileClear() 64{ 65 if (profile) 66 profile->clear(); 67} 68 69void 70ThreadState::profileSample() 71{ 72 if (profile) 73 profile->sample(profileNode, profilePC); 74} 75 76#endif 77