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/*
* Copyright (c) 2003-2005 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.
*
* Authors: Nathan Binkert
* Steve Reinhardt
*/
#include "sim/debug.hh"
#include <string>
#include <vector>
#include "base/debug.hh"
#include "cpu/pc_event.hh"
#include "sim/eventq_impl.hh"
#include "sim/global_event.hh"
#include "sim/sim_events.hh"
#include "sim/sim_exit.hh"
#include "sim/system.hh"
using namespace std;
//
// Debug event: place a breakpoint on the process function and
// schedule the event to break at a particular cycle
//
struct DebugBreakEvent : public GlobalEvent
{
DebugBreakEvent(Tick when);
void process(); // process event
virtual const char *description() const;
};
//
// constructor: schedule at specified time
//
DebugBreakEvent::DebugBreakEvent(Tick when)
: GlobalEvent(when, Debug_Break_Pri, AutoDelete)
{
}
//
// handle debug event: set debugger breakpoint on this function
//
void
DebugBreakEvent::process()
{
Debug::breakpoint();
}
const char *
DebugBreakEvent::description() const
{
return "debug breakpoint";
}
//
// handy function to schedule DebugBreakEvent on main event queue
// (callable from debugger)
//
void
schedBreak(Tick when)
{
new DebugBreakEvent(when);
warn("need to stop all queues");
}
void
schedRelBreak(Tick delta)
{
schedBreak(curTick() + delta);
}
void
breakAtKernelFunction(const char* funcName)
{
System* curSystem = System::systemList[0];
curSystem->addKernelFuncEvent<BreakPCEvent>(funcName,
"GDB scheduled break", true);
}
///
/// Function to cause the simulator to take a checkpoint from the debugger
///
void
takeCheckpoint(Tick when)
{
if (!when)
when = curTick() + 1;
exitSimLoop("checkpoint", 0, when, 0);
}
void
eventqDump()
{
for (uint32_t i = 0; i < numMainEventQueues; ++i) {
mainEventQueue[i]->dump();
}
}
int remote_gdb_base_port = 7000;
int
getRemoteGDBPort()
{
return remote_gdb_base_port;
}
// Set remote GDB base port. 0 means disable remote GDB.
// Callable from python.
void
setRemoteGDBPort(int port)
{
remote_gdb_base_port = port;
}
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