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Diffstat (limited to 'cpu/cpu_exec_context.cc')
-rw-r--r-- | cpu/cpu_exec_context.cc | 320 |
1 files changed, 0 insertions, 320 deletions
diff --git a/cpu/cpu_exec_context.cc b/cpu/cpu_exec_context.cc deleted file mode 100644 index ec1e94561..000000000 --- a/cpu/cpu_exec_context.cc +++ /dev/null @@ -1,320 +0,0 @@ -/* - * Copyright (c) 2001-2006 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. - */ - -#include <string> - -#include "arch/isa_traits.hh" -#include "cpu/base.hh" -#include "cpu/cpu_exec_context.hh" -#include "cpu/exec_context.hh" - -#if FULL_SYSTEM -#include "base/callback.hh" -#include "base/cprintf.hh" -#include "base/output.hh" -#include "base/trace.hh" -#include "cpu/profile.hh" -#include "kern/kernel_stats.hh" -#include "sim/serialize.hh" -#include "sim/sim_exit.hh" -#include "arch/stacktrace.hh" -#else -#include "sim/process.hh" -#include "sim/system.hh" -#include "mem/translating_port.hh" -#endif - -using namespace std; - -// constructor -#if FULL_SYSTEM -CPUExecContext::CPUExecContext(BaseCPU *_cpu, int _thread_num, System *_sys, - AlphaITB *_itb, AlphaDTB *_dtb) - : _status(ExecContext::Unallocated), cpu(_cpu), thread_num(_thread_num), - cpu_id(-1), lastActivate(0), lastSuspend(0), system(_sys), itb(_itb), - dtb(_dtb), profile(NULL), quiesceEvent(this), func_exe_inst(0), - storeCondFailures(0) - -{ - proxy = new ProxyExecContext<CPUExecContext>(this); - - regs.clear(); - - if (cpu->params->profile) { - profile = new FunctionProfile(system->kernelSymtab); - Callback *cb = - new MakeCallback<CPUExecContext, - &CPUExecContext::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; - - Port *mem_port; - physPort = new FunctionalPort(); - mem_port = system->physmem->getPort("functional"); - mem_port->setPeer(physPort); - physPort->setPeer(mem_port); - - virtPort = new VirtualPort(); - mem_port = system->physmem->getPort("functional"); - mem_port->setPeer(virtPort); - virtPort->setPeer(mem_port); -} -#else -CPUExecContext::CPUExecContext(BaseCPU *_cpu, int _thread_num, - Process *_process, int _asid, MemObject* memobj) - : _status(ExecContext::Unallocated), - cpu(_cpu), thread_num(_thread_num), cpu_id(-1), lastActivate(0), - lastSuspend(0), process(_process), asid(_asid), - func_exe_inst(0), storeCondFailures(0) -{ - /* Use this port to for syscall emulation writes to memory. */ - Port *mem_port; - port = new TranslatingPort(process->pTable, false); - mem_port = memobj->getPort("functional"); - mem_port->setPeer(port); - port->setPeer(mem_port); - - regs.clear(); - proxy = new ProxyExecContext<CPUExecContext>(this); -} - -CPUExecContext::CPUExecContext(RegFile *regFile) - : cpu(NULL), thread_num(-1), process(NULL), asid(-1), - func_exe_inst(0), storeCondFailures(0) -{ - regs = *regFile; - proxy = new ProxyExecContext<CPUExecContext>(this); -} - -#endif - -CPUExecContext::~CPUExecContext() -{ - delete proxy; -} - -#if FULL_SYSTEM -void -CPUExecContext::dumpFuncProfile() -{ - std::ostream *os = simout.create(csprintf("profile.%s.dat", cpu->name())); - profile->dump(proxy, *os); -} - -CPUExecContext::EndQuiesceEvent::EndQuiesceEvent(CPUExecContext *_cpuXC) - : Event(&mainEventQueue), cpuXC(_cpuXC) -{ -} - -void -CPUExecContext::EndQuiesceEvent::process() -{ - cpuXC->activate(); -} - -const char* -CPUExecContext::EndQuiesceEvent::description() -{ - return "End Quiesce Event."; -} - -void -CPUExecContext::profileClear() -{ - if (profile) - profile->clear(); -} - -void -CPUExecContext::profileSample() -{ - if (profile) - profile->sample(profileNode, profilePC); -} - -#endif - -void -CPUExecContext::takeOverFrom(ExecContext *oldContext) -{ - // some things should already be set up -#if FULL_SYSTEM - assert(system == oldContext->getSystemPtr()); -#else - assert(process == oldContext->getProcessPtr()); -#endif - - // copy over functional state - _status = oldContext->status(); - copyArchRegs(oldContext); - cpu_id = oldContext->readCpuId(); -#if !FULL_SYSTEM - func_exe_inst = oldContext->readFuncExeInst(); -#endif - - storeCondFailures = 0; - - oldContext->setStatus(ExecContext::Unallocated); -} - -void -CPUExecContext::serialize(ostream &os) -{ - SERIALIZE_ENUM(_status); - regs.serialize(os); - // thread_num and cpu_id are deterministic from the config - SERIALIZE_SCALAR(func_exe_inst); - SERIALIZE_SCALAR(inst); - -#if FULL_SYSTEM - Tick quiesceEndTick = 0; - if (quiesceEvent.scheduled()) - quiesceEndTick = quiesceEvent.when(); - SERIALIZE_SCALAR(quiesceEndTick); - -#endif -} - - -void -CPUExecContext::unserialize(Checkpoint *cp, const std::string §ion) -{ - UNSERIALIZE_ENUM(_status); - regs.unserialize(cp, section); - // thread_num and cpu_id are deterministic from the config - UNSERIALIZE_SCALAR(func_exe_inst); - UNSERIALIZE_SCALAR(inst); - -#if FULL_SYSTEM - Tick quiesceEndTick; - UNSERIALIZE_SCALAR(quiesceEndTick); - if (quiesceEndTick) - quiesceEvent.schedule(quiesceEndTick); -#endif -} - - -void -CPUExecContext::activate(int delay) -{ - if (status() == ExecContext::Active) - return; - - lastActivate = curTick; - - _status = ExecContext::Active; - cpu->activateContext(thread_num, delay); -} - -void -CPUExecContext::suspend() -{ - if (status() == ExecContext::Suspended) - return; - - lastActivate = curTick; - lastSuspend = curTick; -/* -#if FULL_SYSTEM - // Don't change the status from active if there are pending interrupts - if (cpu->check_interrupts()) { - assert(status() == ExecContext::Active); - return; - } -#endif -*/ - _status = ExecContext::Suspended; - cpu->suspendContext(thread_num); -} - -void -CPUExecContext::deallocate() -{ - if (status() == ExecContext::Unallocated) - return; - - _status = ExecContext::Unallocated; - cpu->deallocateContext(thread_num); -} - -void -CPUExecContext::halt() -{ - if (status() == ExecContext::Halted) - return; - - _status = ExecContext::Halted; - cpu->haltContext(thread_num); -} - - -void -CPUExecContext::regStats(const string &name) -{ -} - -void -CPUExecContext::copyArchRegs(ExecContext *xc) -{ - TheISA::copyRegs(xc, proxy); -} - -#if FULL_SYSTEM -VirtualPort* -CPUExecContext::getVirtPort(ExecContext *xc) -{ - if (!xc) - return virtPort; - - VirtualPort *vp; - Port *mem_port; - - vp = new VirtualPort(xc); - mem_port = system->physmem->getPort("functional"); - mem_port->setPeer(vp); - vp->setPeer(mem_port); - return vp; -} - -void -CPUExecContext::delVirtPort(VirtualPort *vp) -{ -// assert(!vp->nullExecContext()); - delete vp->getPeer(); - delete vp; -} - - -#endif - |