thread_state.hh revision 2980
12330SN/A/* 22330SN/A * Copyright (c) 2006 The Regents of The University of Michigan 32330SN/A * All rights reserved. 42330SN/A * 52330SN/A * Redistribution and use in source and binary forms, with or without 62330SN/A * modification, are permitted provided that the following conditions are 72330SN/A * met: redistributions of source code must retain the above copyright 82330SN/A * notice, this list of conditions and the following disclaimer; 92330SN/A * redistributions in binary form must reproduce the above copyright 102330SN/A * notice, this list of conditions and the following disclaimer in the 112330SN/A * documentation and/or other materials provided with the distribution; 122330SN/A * neither the name of the copyright holders nor the names of its 132330SN/A * contributors may be used to endorse or promote products derived from 142330SN/A * this software without specific prior written permission. 152330SN/A * 162330SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172330SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182330SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192330SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202330SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212330SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222330SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232330SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242330SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252330SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262330SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272689Sktlim@umich.edu * 282689Sktlim@umich.edu * Authors: Kevin Lim 292330SN/A */ 302292SN/A 312292SN/A#ifndef __CPU_THREAD_STATE_HH__ 322292SN/A#define __CPU_THREAD_STATE_HH__ 332292SN/A 342980Sgblack@eecs.umich.edu#include "arch/types.hh" 352680Sktlim@umich.edu#include "cpu/thread_context.hh" 362292SN/A 372678Sktlim@umich.edu#if !FULL_SYSTEM 382683Sktlim@umich.edu#include "mem/mem_object.hh" 392678Sktlim@umich.edu#include "mem/translating_port.hh" 402683Sktlim@umich.edu#include "sim/process.hh" 412678Sktlim@umich.edu#endif 422678Sktlim@umich.edu 432292SN/A#if FULL_SYSTEM 442292SN/Aclass EndQuiesceEvent; 452292SN/Aclass FunctionProfile; 462292SN/Aclass ProfileNode; 472330SN/Anamespace Kernel { 482330SN/A class Statistics; 492330SN/A}; 502292SN/A#endif 512292SN/A 522862Sktlim@umich.educlass Checkpoint; 532862Sktlim@umich.edu 542330SN/A/** 552330SN/A * Struct for holding general thread state that is needed across CPU 562330SN/A * models. This includes things such as pointers to the process, 572330SN/A * memory, quiesce events, and certain stats. This can be expanded 582330SN/A * to hold more thread-specific stats within it. 592330SN/A */ 602292SN/Astruct ThreadState { 612683Sktlim@umich.edu typedef ThreadContext::Status Status; 622683Sktlim@umich.edu 632292SN/A#if FULL_SYSTEM 642683Sktlim@umich.edu ThreadState(int _cpuId, int _tid); 652292SN/A#else 662791Sktlim@umich.edu ThreadState(int _cpuId, int _tid, Process *_process, 672791Sktlim@umich.edu short _asid, MemObject *mem); 682292SN/A#endif 692683Sktlim@umich.edu 702862Sktlim@umich.edu void serialize(std::ostream &os); 712862Sktlim@umich.edu 722862Sktlim@umich.edu void unserialize(Checkpoint *cp, const std::string §ion); 732862Sktlim@umich.edu 742683Sktlim@umich.edu void setCpuId(int id) { cpuId = id; } 752683Sktlim@umich.edu 762683Sktlim@umich.edu int readCpuId() { return cpuId; } 772683Sktlim@umich.edu 782683Sktlim@umich.edu void setTid(int id) { tid = id; } 792683Sktlim@umich.edu 802683Sktlim@umich.edu int readTid() { return tid; } 812683Sktlim@umich.edu 822683Sktlim@umich.edu Tick readLastActivate() { return lastActivate; } 832683Sktlim@umich.edu 842683Sktlim@umich.edu Tick readLastSuspend() { return lastSuspend; } 852683Sktlim@umich.edu 862683Sktlim@umich.edu#if FULL_SYSTEM 872683Sktlim@umich.edu void dumpFuncProfile(); 882683Sktlim@umich.edu 892683Sktlim@umich.edu EndQuiesceEvent *getQuiesceEvent() { return quiesceEvent; } 902683Sktlim@umich.edu 912683Sktlim@umich.edu void profileClear(); 922683Sktlim@umich.edu 932683Sktlim@umich.edu void profileSample(); 942683Sktlim@umich.edu 952683Sktlim@umich.edu Kernel::Statistics *getKernelStats() { return kernelStats; } 962683Sktlim@umich.edu 972690Sktlim@umich.edu FunctionalPort *getPhysPort() { return physPort; } 982690Sktlim@umich.edu 992683Sktlim@umich.edu void setPhysPort(FunctionalPort *port) { physPort = port; } 1002683Sktlim@umich.edu 1012690Sktlim@umich.edu VirtualPort *getVirtPort(ThreadContext *tc = NULL) { return virtPort; } 1022690Sktlim@umich.edu 1032683Sktlim@umich.edu void setVirtPort(VirtualPort *port) { virtPort = port; } 1042683Sktlim@umich.edu#else 1052683Sktlim@umich.edu Process *getProcessPtr() { return process; } 1062683Sktlim@umich.edu 1072683Sktlim@umich.edu TranslatingPort *getMemPort() { return port; } 1082683Sktlim@umich.edu 1092683Sktlim@umich.edu void setMemPort(TranslatingPort *_port) { port = _port; } 1102683Sktlim@umich.edu 1112683Sktlim@umich.edu int getInstAsid() { return asid; } 1122683Sktlim@umich.edu int getDataAsid() { return asid; } 1132678Sktlim@umich.edu#endif 1142292SN/A 1152683Sktlim@umich.edu /** Sets the current instruction being committed. */ 1162683Sktlim@umich.edu void setInst(TheISA::MachInst _inst) { inst = _inst; } 1172292SN/A 1182683Sktlim@umich.edu /** Returns the current instruction being committed. */ 1192683Sktlim@umich.edu TheISA::MachInst getInst() { return inst; } 1202683Sktlim@umich.edu 1212683Sktlim@umich.edu /** Reads the number of instructions functionally executed and 1222683Sktlim@umich.edu * committed. 1232683Sktlim@umich.edu */ 1242683Sktlim@umich.edu Counter readFuncExeInst() { return funcExeInst; } 1252683Sktlim@umich.edu 1262683Sktlim@umich.edu /** Sets the total number of instructions functionally executed 1272683Sktlim@umich.edu * and committed. 1282683Sktlim@umich.edu */ 1292683Sktlim@umich.edu void setFuncExeInst(Counter new_val) { funcExeInst = new_val; } 1302683Sktlim@umich.edu 1312683Sktlim@umich.edu /** Returns the status of this thread. */ 1322683Sktlim@umich.edu Status status() const { return _status; } 1332683Sktlim@umich.edu 1342683Sktlim@umich.edu /** Sets the status of this thread. */ 1352683Sktlim@umich.edu void setStatus(Status new_status) { _status = new_status; } 1362683Sktlim@umich.edu 1372683Sktlim@umich.edu /** Number of instructions committed. */ 1382683Sktlim@umich.edu Counter numInst; 1392683Sktlim@umich.edu /** Stat for number instructions committed. */ 1402683Sktlim@umich.edu Stats::Scalar<> numInsts; 1412683Sktlim@umich.edu /** Stat for number of memory references. */ 1422683Sktlim@umich.edu Stats::Scalar<> numMemRefs; 1432683Sktlim@umich.edu 1442683Sktlim@umich.edu /** Number of simulated loads, used for tracking events based on 1452683Sktlim@umich.edu * the number of loads committed. 1462683Sktlim@umich.edu */ 1472683Sktlim@umich.edu Counter numLoad; 1482683Sktlim@umich.edu 1492683Sktlim@umich.edu /** The number of simulated loads committed prior to this run. */ 1502683Sktlim@umich.edu Counter startNumLoad; 1512683Sktlim@umich.edu 1522683Sktlim@umich.edu protected: 1532683Sktlim@umich.edu ThreadContext::Status _status; 1542683Sktlim@umich.edu 1552683Sktlim@umich.edu // ID of this context w.r.t. the System or Process object to which 1562683Sktlim@umich.edu // it belongs. For full-system mode, this is the system CPU ID. 1572292SN/A int cpuId; 1582292SN/A 1592292SN/A // Index of hardware thread context on the CPU that this represents. 1602292SN/A int tid; 1612292SN/A 1622690Sktlim@umich.edu public: 1632683Sktlim@umich.edu /** Last time activate was called on this thread. */ 1642683Sktlim@umich.edu Tick lastActivate; 1652292SN/A 1662683Sktlim@umich.edu /** Last time suspend was called on this thread. */ 1672683Sktlim@umich.edu Tick lastSuspend; 1682292SN/A 1692292SN/A#if FULL_SYSTEM 1702683Sktlim@umich.edu public: 1712292SN/A FunctionProfile *profile; 1722292SN/A ProfileNode *profileNode; 1732292SN/A Addr profilePC; 1742292SN/A EndQuiesceEvent *quiesceEvent; 1752292SN/A 1762330SN/A Kernel::Statistics *kernelStats; 1772683Sktlim@umich.edu protected: 1782683Sktlim@umich.edu /** A functional port outgoing only for functional accesses to physical 1792683Sktlim@umich.edu * addresses.*/ 1802683Sktlim@umich.edu FunctionalPort *physPort; 1812683Sktlim@umich.edu 1822683Sktlim@umich.edu /** A functional port, outgoing only, for functional accesse to virtual 1832683Sktlim@umich.edu * addresses. That doen't require execution context information */ 1842683Sktlim@umich.edu VirtualPort *virtPort; 1852292SN/A#else 1862678Sktlim@umich.edu TranslatingPort *port; 1872678Sktlim@umich.edu 1882292SN/A Process *process; 1892292SN/A 1902292SN/A // Address space ID. Note that this is used for TIMING cache 1912292SN/A // simulation only; all functional memory accesses should use 1922292SN/A // one of the FunctionalMemory pointers above. 1932292SN/A short asid; 1942683Sktlim@umich.edu#endif 1952292SN/A 1962683Sktlim@umich.edu /** Current instruction the thread is committing. Only set and 1972683Sktlim@umich.edu * used for DTB faults currently. 1982683Sktlim@umich.edu */ 1992683Sktlim@umich.edu TheISA::MachInst inst; 2002292SN/A 2012690Sktlim@umich.edu public: 2022292SN/A /** 2032292SN/A * Temporary storage to pass the source address from copy_load to 2042292SN/A * copy_store. 2052292SN/A * @todo Remove this temporary when we have a better way to do it. 2062292SN/A */ 2072292SN/A Addr copySrcAddr; 2082292SN/A /** 2092292SN/A * Temp storage for the physical source address of a copy. 2102292SN/A * @todo Remove this temporary when we have a better way to do it. 2112292SN/A */ 2122292SN/A Addr copySrcPhysAddr; 2132292SN/A 2142292SN/A /* 2152292SN/A * number of executed instructions, for matching with syscall trace 2162292SN/A * points in EIO files. 2172292SN/A */ 2182292SN/A Counter funcExeInst; 2192292SN/A 2202292SN/A // 2212292SN/A // Count failed store conditionals so we can warn of apparent 2222292SN/A // application deadlock situations. 2232292SN/A unsigned storeCondFailures; 2242292SN/A}; 2252292SN/A 2262292SN/A#endif // __CPU_THREAD_STATE_HH__ 227