thread_state.hh revision 8793
110428Sandreas.hansson@arm.com/* 210428Sandreas.hansson@arm.com * Copyright (c) 2006 The Regents of The University of Michigan 310428Sandreas.hansson@arm.com * All rights reserved. 410428Sandreas.hansson@arm.com * 510428Sandreas.hansson@arm.com * Redistribution and use in source and binary forms, with or without 610428Sandreas.hansson@arm.com * modification, are permitted provided that the following conditions are 710428Sandreas.hansson@arm.com * met: redistributions of source code must retain the above copyright 810428Sandreas.hansson@arm.com * notice, this list of conditions and the following disclaimer; 910428Sandreas.hansson@arm.com * redistributions in binary form must reproduce the above copyright 1010428Sandreas.hansson@arm.com * notice, this list of conditions and the following disclaimer in the 1110428Sandreas.hansson@arm.com * documentation and/or other materials provided with the distribution; 1210428Sandreas.hansson@arm.com * neither the name of the copyright holders nor the names of its 1310428Sandreas.hansson@arm.com * contributors may be used to endorse or promote products derived from 1410428Sandreas.hansson@arm.com * this software without specific prior written permission. 1510428Sandreas.hansson@arm.com * 1610428Sandreas.hansson@arm.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1710428Sandreas.hansson@arm.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1810428Sandreas.hansson@arm.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1910428Sandreas.hansson@arm.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2010428Sandreas.hansson@arm.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2110428Sandreas.hansson@arm.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2210428Sandreas.hansson@arm.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2310428Sandreas.hansson@arm.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2410428Sandreas.hansson@arm.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2510428Sandreas.hansson@arm.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2610428Sandreas.hansson@arm.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2710428Sandreas.hansson@arm.com * 2810428Sandreas.hansson@arm.com * Authors: Kevin Lim 2910428Sandreas.hansson@arm.com */ 3010428Sandreas.hansson@arm.com 3110428Sandreas.hansson@arm.com#ifndef __CPU_O3_THREAD_STATE_HH__ 3210428Sandreas.hansson@arm.com#define __CPU_O3_THREAD_STATE_HH__ 3310428Sandreas.hansson@arm.com 3410428Sandreas.hansson@arm.com#include "base/callback.hh" 3510428Sandreas.hansson@arm.com#include "base/output.hh" 3610428Sandreas.hansson@arm.com#include "cpu/thread_context.hh" 3710428Sandreas.hansson@arm.com#include "cpu/thread_state.hh" 3810428Sandreas.hansson@arm.com#include "sim/full_system.hh" 3910428Sandreas.hansson@arm.com#include "sim/sim_exit.hh" 4010428Sandreas.hansson@arm.com 4110428Sandreas.hansson@arm.comclass EndQuiesceEvent; 4210428Sandreas.hansson@arm.comclass Event; 4310428Sandreas.hansson@arm.comclass FunctionalMemory; 4410428Sandreas.hansson@arm.comclass FunctionProfile; 4510428Sandreas.hansson@arm.comclass Process; 4610428Sandreas.hansson@arm.comclass ProfileNode; 4710428Sandreas.hansson@arm.com 4810428Sandreas.hansson@arm.com/** 4910428Sandreas.hansson@arm.com * Class that has various thread state, such as the status, the 5010428Sandreas.hansson@arm.com * current instruction being processed, whether or not the thread has 5110428Sandreas.hansson@arm.com * a trap pending or is being externally updated, the ThreadContext 5210428Sandreas.hansson@arm.com * pointer, etc. It also handles anything related to a specific 5310428Sandreas.hansson@arm.com * thread's process, such as syscalls and checking valid addresses. 5410428Sandreas.hansson@arm.com */ 5510428Sandreas.hansson@arm.comtemplate <class Impl> 5610428Sandreas.hansson@arm.comstruct O3ThreadState : public ThreadState { 5710428Sandreas.hansson@arm.com typedef ThreadContext::Status Status; 5810428Sandreas.hansson@arm.com typedef typename Impl::O3CPU O3CPU; 5910428Sandreas.hansson@arm.com 6010428Sandreas.hansson@arm.com private: 6110428Sandreas.hansson@arm.com /** Pointer to the CPU. */ 6210428Sandreas.hansson@arm.com O3CPU *cpu; 6310428Sandreas.hansson@arm.com public: 6410428Sandreas.hansson@arm.com /** Whether or not the thread is currently in syscall mode, and 6510428Sandreas.hansson@arm.com * thus able to be externally updated without squashing. 6610428Sandreas.hansson@arm.com */ 6710428Sandreas.hansson@arm.com bool inSyscall; 6810428Sandreas.hansson@arm.com 6910428Sandreas.hansson@arm.com /** Whether or not the thread is currently waiting on a trap, and 7010428Sandreas.hansson@arm.com * thus able to be externally updated without squashing. 7110428Sandreas.hansson@arm.com */ 7210428Sandreas.hansson@arm.com bool trapPending; 7310428Sandreas.hansson@arm.com 7410428Sandreas.hansson@arm.com O3ThreadState(O3CPU *_cpu, int _thread_num, Process *_process) 7510428Sandreas.hansson@arm.com : ThreadState(_cpu, _thread_num, _process), 7610428Sandreas.hansson@arm.com cpu(_cpu), inSyscall(0), trapPending(0) 7710428Sandreas.hansson@arm.com { 7810428Sandreas.hansson@arm.com if (FullSystem) { 7910428Sandreas.hansson@arm.com if (cpu->params()->profile) { 8010428Sandreas.hansson@arm.com profile = new FunctionProfile( 8110428Sandreas.hansson@arm.com cpu->params()->system->kernelSymtab); 8210428Sandreas.hansson@arm.com Callback *cb = 8310428Sandreas.hansson@arm.com new MakeCallback<O3ThreadState, 8410428Sandreas.hansson@arm.com &O3ThreadState::dumpFuncProfile>(this); 8510428Sandreas.hansson@arm.com registerExitCallback(cb); 8610428Sandreas.hansson@arm.com } 8710428Sandreas.hansson@arm.com 8810428Sandreas.hansson@arm.com // let's fill with a dummy node for now so we don't get a segfault 8910428Sandreas.hansson@arm.com // on the first cycle when there's no node available. 9010428Sandreas.hansson@arm.com static ProfileNode dummyNode; 9110428Sandreas.hansson@arm.com profileNode = &dummyNode; 9210428Sandreas.hansson@arm.com profilePC = 3; 9310428Sandreas.hansson@arm.com } 9410428Sandreas.hansson@arm.com } 9510428Sandreas.hansson@arm.com 9610428Sandreas.hansson@arm.com /** Pointer to the ThreadContext of this thread. */ 9710428Sandreas.hansson@arm.com ThreadContext *tc; 9810428Sandreas.hansson@arm.com 9910428Sandreas.hansson@arm.com /** Returns a pointer to the TC of this thread. */ 10010428Sandreas.hansson@arm.com ThreadContext *getTC() { return tc; } 10110428Sandreas.hansson@arm.com 10210428Sandreas.hansson@arm.com /** Handles the syscall. */ 10310428Sandreas.hansson@arm.com void syscall(int64_t callnum) { process->syscall(callnum, tc); } 10410428Sandreas.hansson@arm.com 10510428Sandreas.hansson@arm.com void dumpFuncProfile() 10610428Sandreas.hansson@arm.com { 10710428Sandreas.hansson@arm.com std::ostream *os = simout.create(csprintf("profile.%s.dat", cpu->name())); 10810428Sandreas.hansson@arm.com profile->dump(tc, *os); 10910428Sandreas.hansson@arm.com } 11010428Sandreas.hansson@arm.com}; 11110428Sandreas.hansson@arm.com 11210428Sandreas.hansson@arm.com#endif // __CPU_O3_THREAD_STATE_HH__ 11310428Sandreas.hansson@arm.com