thread_state.hh revision 5529
12735Sktlim@umich.edu/* 22735Sktlim@umich.edu * Copyright (c) 2006 The Regents of The University of Michigan 32735Sktlim@umich.edu * All rights reserved. 42735Sktlim@umich.edu * 52735Sktlim@umich.edu * Redistribution and use in source and binary forms, with or without 62735Sktlim@umich.edu * modification, are permitted provided that the following conditions are 72735Sktlim@umich.edu * met: redistributions of source code must retain the above copyright 82735Sktlim@umich.edu * notice, this list of conditions and the following disclaimer; 92735Sktlim@umich.edu * redistributions in binary form must reproduce the above copyright 102735Sktlim@umich.edu * notice, this list of conditions and the following disclaimer in the 112735Sktlim@umich.edu * documentation and/or other materials provided with the distribution; 122735Sktlim@umich.edu * neither the name of the copyright holders nor the names of its 132735Sktlim@umich.edu * contributors may be used to endorse or promote products derived from 142735Sktlim@umich.edu * this software without specific prior written permission. 152735Sktlim@umich.edu * 162735Sktlim@umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172735Sktlim@umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182735Sktlim@umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192735Sktlim@umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202735Sktlim@umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212735Sktlim@umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222735Sktlim@umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232735Sktlim@umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242735Sktlim@umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252735Sktlim@umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262735Sktlim@umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272735Sktlim@umich.edu * 282735Sktlim@umich.edu * Authors: Kevin Lim 292735Sktlim@umich.edu */ 302735Sktlim@umich.edu 312735Sktlim@umich.edu#ifndef __CPU_O3_THREAD_STATE_HH__ 322735Sktlim@umich.edu#define __CPU_O3_THREAD_STATE_HH__ 332735Sktlim@umich.edu 342735Sktlim@umich.edu#include "base/callback.hh" 352735Sktlim@umich.edu#include "base/output.hh" 362735Sktlim@umich.edu#include "cpu/thread_context.hh" 372735Sktlim@umich.edu#include "cpu/thread_state.hh" 382735Sktlim@umich.edu#include "sim/sim_exit.hh" 392735Sktlim@umich.edu 402735Sktlim@umich.educlass Event; 412735Sktlim@umich.educlass Process; 422735Sktlim@umich.edu 432735Sktlim@umich.edu#if FULL_SYSTEM 442735Sktlim@umich.educlass EndQuiesceEvent; 452735Sktlim@umich.educlass FunctionProfile; 462735Sktlim@umich.educlass ProfileNode; 472735Sktlim@umich.edu#else 482735Sktlim@umich.educlass FunctionalMemory; 492735Sktlim@umich.educlass Process; 502735Sktlim@umich.edu#endif 513735Sstever@eecs.umich.edu 522735Sktlim@umich.edu/** 532735Sktlim@umich.edu * Class that has various thread state, such as the status, the 543735Sstever@eecs.umich.edu * current instruction being processed, whether or not the thread has 552735Sktlim@umich.edu * a trap pending or is being externally updated, the ThreadContext 562735Sktlim@umich.edu * pointer, etc. It also handles anything related to a specific 572735Sktlim@umich.edu * thread's process, such as syscalls and checking valid addresses. 583735Sstever@eecs.umich.edu */ 592735Sktlim@umich.edutemplate <class Impl> 602735Sktlim@umich.edustruct O3ThreadState : public ThreadState { 613735Sstever@eecs.umich.edu typedef ThreadContext::Status Status; 622735Sktlim@umich.edu typedef typename Impl::O3CPU O3CPU; 632735Sktlim@umich.edu 643735Sstever@eecs.umich.edu private: 652735Sktlim@umich.edu /** Pointer to the CPU. */ 662735Sktlim@umich.edu O3CPU *cpu; 672735Sktlim@umich.edu public: 683735Sstever@eecs.umich.edu /** Whether or not the thread is currently in syscall mode, and 693735Sstever@eecs.umich.edu * thus able to be externally updated without squashing. 702735Sktlim@umich.edu */ 712735Sktlim@umich.edu bool inSyscall; 722735Sktlim@umich.edu 732735Sktlim@umich.edu /** Whether or not the thread is currently waiting on a trap, and 742735Sktlim@umich.edu * thus able to be externally updated without squashing. 752735Sktlim@umich.edu */ 762735Sktlim@umich.edu bool trapPending; 772735Sktlim@umich.edu 782735Sktlim@umich.edu#if FULL_SYSTEM 792735Sktlim@umich.edu O3ThreadState(O3CPU *_cpu, int _thread_num) 802735Sktlim@umich.edu : ThreadState(_cpu, -1, _thread_num), 812735Sktlim@umich.edu cpu(_cpu), inSyscall(0), trapPending(0) 822735Sktlim@umich.edu { 832735Sktlim@umich.edu if (cpu->params()->profile) { 842735Sktlim@umich.edu profile = new FunctionProfile(cpu->params()->system->kernelSymtab); 852735Sktlim@umich.edu Callback *cb = 864172Ssaidi@eecs.umich.edu new MakeCallback<O3ThreadState, 872735Sktlim@umich.edu &O3ThreadState::dumpFuncProfile>(this); 882735Sktlim@umich.edu registerExitCallback(cb); 892735Sktlim@umich.edu } 904172Ssaidi@eecs.umich.edu 912735Sktlim@umich.edu // let's fill with a dummy node for now so we don't get a segfault 922735Sktlim@umich.edu // on the first cycle when there's no node available. 934172Ssaidi@eecs.umich.edu static ProfileNode dummyNode; 942735Sktlim@umich.edu profileNode = &dummyNode; 952735Sktlim@umich.edu profilePC = 3; 962735Sktlim@umich.edu } 974172Ssaidi@eecs.umich.edu#else 982735Sktlim@umich.edu O3ThreadState(O3CPU *_cpu, int _thread_num, Process *_process, int _asid) 992735Sktlim@umich.edu : ThreadState(_cpu, -1, _thread_num, _process, _asid), 1002735Sktlim@umich.edu cpu(_cpu), inSyscall(0), trapPending(0) 1012735Sktlim@umich.edu { } 1022735Sktlim@umich.edu#endif 1032735Sktlim@umich.edu 1042735Sktlim@umich.edu /** Pointer to the ThreadContext of this thread. */ 1052735Sktlim@umich.edu ThreadContext *tc; 1062735Sktlim@umich.edu 1072735Sktlim@umich.edu /** Returns a pointer to the TC of this thread. */ 1082735Sktlim@umich.edu ThreadContext *getTC() { return tc; } 1098444Sgblack@eecs.umich.edu 1107520Sgblack@eecs.umich.edu#if !FULL_SYSTEM 1118444Sgblack@eecs.umich.edu /** Handles the syscall. */ 1128444Sgblack@eecs.umich.edu void syscall(int64_t callnum) { process->syscall(callnum, tc); } 1137520Sgblack@eecs.umich.edu#endif 1145702Ssaidi@eecs.umich.edu 1155702Ssaidi@eecs.umich.edu#if FULL_SYSTEM 1165702Ssaidi@eecs.umich.edu void dumpFuncProfile() 1175702Ssaidi@eecs.umich.edu { 1185702Ssaidi@eecs.umich.edu std::ostream *os = simout.create(csprintf("profile.%s.dat", cpu->name())); 1195702Ssaidi@eecs.umich.edu profile->dump(tc, *os); 1205702Ssaidi@eecs.umich.edu } 1215702Ssaidi@eecs.umich.edu#endif 1225702Ssaidi@eecs.umich.edu}; 1235702Ssaidi@eecs.umich.edu 1245702Ssaidi@eecs.umich.edu#endif // __CPU_O3_THREAD_STATE_HH__ 1252735Sktlim@umich.edu