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Diffstat (limited to 'cpu/o3/thread_state.hh')
| -rw-r--r-- | cpu/o3/thread_state.hh | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/cpu/o3/thread_state.hh b/cpu/o3/thread_state.hh deleted file mode 100644 index 28f488143..000000000 --- a/cpu/o3/thread_state.hh +++ /dev/null @@ -1,168 +0,0 @@ -/* - * Copyright (c) 2006 The Regents of The University of Michigan - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef __CPU_O3_THREAD_STATE_HH__ -#define __CPU_O3_THREAD_STATE_HH__ - -#include "arch/faults.hh" -#include "arch/isa_traits.hh" -#include "base/callback.hh" -#include "base/output.hh" -#include "cpu/exec_context.hh" -#include "cpu/thread_state.hh" -#include "sim/sim_exit.hh" - -class Event; -class Process; - -#if FULL_SYSTEM -class EndQuiesceEvent; -class FunctionProfile; -class ProfileNode; -#else -class FunctionalMemory; -class Process; -#endif - -/** - * Class that has various thread state, such as the status, the - * current instruction being processed, whether or not the thread has - * a trap pending or is being externally updated, the ExecContext - * proxy pointer, etc. It also handles anything related to a specific - * thread's process, such as syscalls and checking valid addresses. - */ -template <class Impl> -struct O3ThreadState : public ThreadState { - typedef ExecContext::Status Status; - typedef typename Impl::FullCPU FullCPU; - - /** Current status of the thread. */ - Status _status; - - /** Current instruction the thread is committing. Only set and - * used for DTB faults currently. - */ - TheISA::MachInst inst; - - private: - /** Pointer to the CPU. */ - FullCPU *cpu; - public: - /** Whether or not the thread is currently in syscall mode, and - * thus able to be externally updated without squashing. - */ - bool inSyscall; - - /** Whether or not the thread is currently waiting on a trap, and - * thus able to be externally updated without squashing. - */ - bool trapPending; - -#if FULL_SYSTEM - O3ThreadState(FullCPU *_cpu, int _thread_num, FunctionalMemory *_mem) - : ThreadState(-1, _thread_num, _mem), - cpu(_cpu), inSyscall(0), trapPending(0) - { - if (cpu->params->profile) { - profile = new FunctionProfile(cpu->params->system->kernelSymtab); - Callback *cb = - new MakeCallback<O3ThreadState, - &O3ThreadState::dumpFuncProfile>(this); - registerExitCallback(cb); - } - - // let's fill with a dummy node for now so we don't get a segfault - // on the first cycle when there's no node available. - static ProfileNode dummyNode; - profileNode = &dummyNode; - profilePC = 3; - } -#else - O3ThreadState(FullCPU *_cpu, int _thread_num, Process *_process, int _asid) - : ThreadState(-1, _thread_num, _process->getMemory(), _process, _asid), - cpu(_cpu), inSyscall(0), trapPending(0) - { } - - O3ThreadState(FullCPU *_cpu, int _thread_num, FunctionalMemory *_mem, - int _asid) - : ThreadState(-1, _thread_num, _mem, NULL, _asid), - cpu(_cpu), inSyscall(0), trapPending(0) - { } -#endif - - /** Pointer to the ExecContext of this thread. @todo: Don't call - this a proxy.*/ - ExecContext *xcProxy; - - /** Returns a pointer to the XC of this thread. */ - ExecContext *getXCProxy() { return xcProxy; } - - /** Returns the status of this thread. */ - Status status() const { return _status; } - - /** Sets the status of this thread. */ - void setStatus(Status new_status) { _status = new_status; } - -#if !FULL_SYSTEM - /** Returns if this address is a valid instruction address. */ - bool validInstAddr(Addr addr) - { return process->validInstAddr(addr); } - - /** Returns if this address is a valid data address. */ - bool validDataAddr(Addr addr) - { return process->validDataAddr(addr); } -#endif - - /** Sets the current instruction being committed. */ - void setInst(TheISA::MachInst _inst) { inst = _inst; } - - /** Reads the number of instructions functionally executed and - * committed. - */ - Counter readFuncExeInst() { return funcExeInst; } - - /** Sets the total number of instructions functionally executed - * and committed. - */ - void setFuncExeInst(Counter new_val) { funcExeInst = new_val; } - -#if !FULL_SYSTEM - /** Handles the syscall. */ - void syscall() { process->syscall(xcProxy); } -#endif - -#if FULL_SYSTEM - void dumpFuncProfile() - { - std::ostream *os = simout.create(csprintf("profile.%s.dat", cpu->name())); - profile->dump(xcProxy, *os); - } -#endif -}; - -#endif // __CPU_O3_THREAD_STATE_HH__ |