RubyDirectedTester.cc

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#include "cpu/testers/directedtest/RubyDirectedTester.hh"
 
#include "base/trace.hh"
#include "cpu/testers/directedtest/DirectedGenerator.hh"
#include "debug/DirectedTest.hh"
#include "sim/sim_exit.hh"
 
namespace gem5
{
 
RubyDirectedTester::RubyDirectedTester(const Params &p)
  : ClockedObject(p),
    directedStartEvent([this]{ wakeup(); }, "Directed tick",
                       false, Event::CPU_Tick_Pri),
    m_requests_to_complete(p.requests_to_complete),
    generator(p.generator)
{
    m_requests_completed = 0;
 
    // create the ports
    for (int i = 0; i < p.port_cpuPort_connection_count; ++i) {
        ports.push_back(new CpuPort(csprintf("%s-port%d", name(), i),
                                    this, i));
    }
 
    // add the check start event to the event queue
    schedule(directedStartEvent, 1);
}
 
RubyDirectedTester::~RubyDirectedTester()
{
    for (int i = 0; i < ports.size(); i++)
        delete ports[i];
}
 
void
RubyDirectedTester::init()
{
    assert(ports.size() > 0);
    generator->setDirectedTester(this);
}
 
Port &
RubyDirectedTester::getPort(const std::string &if_name, PortID idx)
{
    if (if_name != "cpuPort") {
        // pass it along to our super class
        return ClockedObject::getPort(if_name, idx);
    } else {
        if (idx >= static_cast<int>(ports.size())) {
            panic("RubyDirectedTester::getPort: unknown index %d\n", idx);
        }
 
        return *ports[idx];
    }
}
 
bool
RubyDirectedTester::CpuPort::recvTimingResp(PacketPtr pkt)
{
    tester->hitCallback(id, pkt->getAddr());
 
    //
    // Now that the tester has completed, delete the packet, then return
    //
    delete pkt;
    return true;
}
 
RequestPort*
RubyDirectedTester::getCpuPort(int idx)
{
    assert(idx >= 0 && idx < ports.size());
 
    return ports[idx];
}
 
void
RubyDirectedTester::hitCallback(ruby::NodeID proc, Addr addr)
{
    DPRINTF(DirectedTest,
            "completed request for proc: %d addr: 0x%x\n",
            proc,
            addr);
 
    generator->performCallback(proc, addr);
    schedule(directedStartEvent, curTick());
}
 
void
RubyDirectedTester::wakeup()
{
    if (m_requests_completed < m_requests_to_complete) {
        if (!generator->initiate()) {
            schedule(directedStartEvent, curTick() + 1);
        }
    } else {
        exitSimLoop("Ruby DirectedTester completed");
    }
}
 
} // namespace gem5