thread_state.hh revision 2330
16019Shines@cs.fsu.edu/* 27093Sgblack@eecs.umich.edu * Copyright (c) 2006 The Regents of The University of Michigan 37093Sgblack@eecs.umich.edu * All rights reserved. 47093Sgblack@eecs.umich.edu * 57093Sgblack@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 67093Sgblack@eecs.umich.edu * modification, are permitted provided that the following conditions are 77093Sgblack@eecs.umich.edu * met: redistributions of source code must retain the above copyright 87093Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer; 97093Sgblack@eecs.umich.edu * redistributions in binary form must reproduce the above copyright 107093Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer in the 117093Sgblack@eecs.umich.edu * documentation and/or other materials provided with the distribution; 127093Sgblack@eecs.umich.edu * neither the name of the copyright holders nor the names of its 137093Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 146019Shines@cs.fsu.edu * this software without specific prior written permission. 156019Shines@cs.fsu.edu * 166019Shines@cs.fsu.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176019Shines@cs.fsu.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186019Shines@cs.fsu.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196019Shines@cs.fsu.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206019Shines@cs.fsu.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216019Shines@cs.fsu.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226019Shines@cs.fsu.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236019Shines@cs.fsu.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246019Shines@cs.fsu.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256019Shines@cs.fsu.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266019Shines@cs.fsu.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276019Shines@cs.fsu.edu */ 286019Shines@cs.fsu.edu 296019Shines@cs.fsu.edu#ifndef __CPU_O3_THREAD_STATE_HH__ 306019Shines@cs.fsu.edu#define __CPU_O3_THREAD_STATE_HH__ 316019Shines@cs.fsu.edu 326019Shines@cs.fsu.edu#include "arch/faults.hh" 336019Shines@cs.fsu.edu#include "arch/isa_traits.hh" 346019Shines@cs.fsu.edu#include "cpu/exec_context.hh" 356019Shines@cs.fsu.edu#include "cpu/thread_state.hh" 366019Shines@cs.fsu.edu 376019Shines@cs.fsu.educlass Event; 386019Shines@cs.fsu.educlass Process; 396019Shines@cs.fsu.edu 406019Shines@cs.fsu.edu#if FULL_SYSTEM 416735Sgblack@eecs.umich.educlass EndQuiesceEvent; 426735Sgblack@eecs.umich.educlass FunctionProfile; 436019Shines@cs.fsu.educlass ProfileNode; 446019Shines@cs.fsu.edu#else 456019Shines@cs.fsu.educlass FunctionalMemory; 466019Shines@cs.fsu.educlass Process; 476019Shines@cs.fsu.edu#endif 486019Shines@cs.fsu.edu 496019Shines@cs.fsu.edu/** 506019Shines@cs.fsu.edu * Class that has various thread state, such as the status, the 516019Shines@cs.fsu.edu * current instruction being processed, whether or not the thread has 526019Shines@cs.fsu.edu * a trap pending or is being externally updated, the ExecContext 537362Sgblack@eecs.umich.edu * proxy pointer, etc. It also handles anything related to a specific 546735Sgblack@eecs.umich.edu * thread's process, such as syscalls and checking valid addresses. 556019Shines@cs.fsu.edu */ 567362Sgblack@eecs.umich.edutemplate <class Impl> 576735Sgblack@eecs.umich.edustruct O3ThreadState : public ThreadState { 586019Shines@cs.fsu.edu typedef ExecContext::Status Status; 597362Sgblack@eecs.umich.edu typedef typename Impl::FullCPU FullCPU; 606735Sgblack@eecs.umich.edu 616019Shines@cs.fsu.edu Status _status; 627362Sgblack@eecs.umich.edu 636735Sgblack@eecs.umich.edu // Current instruction 646019Shines@cs.fsu.edu TheISA::MachInst inst; 657362Sgblack@eecs.umich.edu private: 666735Sgblack@eecs.umich.edu FullCPU *cpu; 676019Shines@cs.fsu.edu public: 687362Sgblack@eecs.umich.edu 696735Sgblack@eecs.umich.edu bool inSyscall; 706019Shines@cs.fsu.edu 717362Sgblack@eecs.umich.edu bool trapPending; 726735Sgblack@eecs.umich.edu 736019Shines@cs.fsu.edu#if FULL_SYSTEM 746735Sgblack@eecs.umich.edu O3ThreadState(FullCPU *_cpu, int _thread_num, FunctionalMemory *_mem) 757362Sgblack@eecs.umich.edu : ThreadState(-1, _thread_num, _mem), 766735Sgblack@eecs.umich.edu inSyscall(0), trapPending(0) 776735Sgblack@eecs.umich.edu { } 786019Shines@cs.fsu.edu#else 796735Sgblack@eecs.umich.edu O3ThreadState(FullCPU *_cpu, int _thread_num, Process *_process, int _asid) 807400SAli.Saidi@ARM.com : ThreadState(-1, _thread_num, _process->getMemory(), _process, _asid), 816735Sgblack@eecs.umich.edu cpu(_cpu), inSyscall(0), trapPending(0) 826735Sgblack@eecs.umich.edu { } 836735Sgblack@eecs.umich.edu 847400SAli.Saidi@ARM.com O3ThreadState(FullCPU *_cpu, int _thread_num, FunctionalMemory *_mem, 856735Sgblack@eecs.umich.edu int _asid) 866735Sgblack@eecs.umich.edu : ThreadState(-1, _thread_num, _mem, NULL, _asid), 876735Sgblack@eecs.umich.edu cpu(_cpu), inSyscall(0), trapPending(0) 886019Shines@cs.fsu.edu { } 896019Shines@cs.fsu.edu#endif 906019Shines@cs.fsu.edu 916735Sgblack@eecs.umich.edu ExecContext *xcProxy; 926735Sgblack@eecs.umich.edu 936735Sgblack@eecs.umich.edu ExecContext *getXCProxy() { return xcProxy; } 947362Sgblack@eecs.umich.edu 956019Shines@cs.fsu.edu Status status() const { return _status; } 966735Sgblack@eecs.umich.edu 976735Sgblack@eecs.umich.edu void setStatus(Status new_status) { _status = new_status; } 986735Sgblack@eecs.umich.edu 996019Shines@cs.fsu.edu#if !FULL_SYSTEM 1006735Sgblack@eecs.umich.edu bool validInstAddr(Addr addr) 1016735Sgblack@eecs.umich.edu { return process->validInstAddr(addr); } 1026735Sgblack@eecs.umich.edu 1036735Sgblack@eecs.umich.edu bool validDataAddr(Addr addr) 1046735Sgblack@eecs.umich.edu { return process->validDataAddr(addr); } 1056735Sgblack@eecs.umich.edu#endif 1066735Sgblack@eecs.umich.edu 1076735Sgblack@eecs.umich.edu bool misspeculating() { return false; } 1086735Sgblack@eecs.umich.edu 1096735Sgblack@eecs.umich.edu void setInst(TheISA::MachInst _inst) { inst = _inst; } 1107093Sgblack@eecs.umich.edu 1116735Sgblack@eecs.umich.edu Counter readFuncExeInst() { return funcExeInst; } 1126735Sgblack@eecs.umich.edu 1136735Sgblack@eecs.umich.edu void setFuncExeInst(Counter new_val) { funcExeInst = new_val; } 1147302Sgblack@eecs.umich.edu 1156735Sgblack@eecs.umich.edu#if !FULL_SYSTEM 1166735Sgblack@eecs.umich.edu void syscall() { process->syscall(xcProxy); } 1176735Sgblack@eecs.umich.edu#endif 1186735Sgblack@eecs.umich.edu}; 1196735Sgblack@eecs.umich.edu 1206735Sgblack@eecs.umich.edu#endif // __CPU_O3_THREAD_STATE_HH__ 1216735Sgblack@eecs.umich.edu