VIPERSequencer.cc

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#include "mem/ruby/system/VIPERSequencer.hh"
 
#include "debug/RubyHitMiss.hh"
#include "debug/RubySequencer.hh"
#include "gpu-compute/gpu_dyn_inst.hh"
#include "mem/ruby/system/Sequencer.hh"
#include "params/VIPERSequencer.hh"
 
namespace gem5
{
 
namespace ruby
{
 
VIPERSequencer::VIPERSequencer(const Params &p)
    : Sequencer(p)
{
}
 
 
VIPERSequencer::~VIPERSequencer()
{
}
 
void
VIPERSequencer::hitCallback(SequencerRequest* srequest, DataBlock& data,
                            bool llscSuccess,
                            const MachineType mach, const bool externalHit,
                            const Cycles initialRequestTime,
                            const Cycles forwardRequestTime,
                            const Cycles firstResponseTime,
                            const bool was_coalesced)
{
    if (srequest->m_type != RubyRequestType_hasNoAddr) {
        return Sequencer::hitCallback(
            srequest, data, llscSuccess, mach, externalHit, initialRequestTime,
            forwardRequestTime, firstResponseTime, was_coalesced);
    }
 
    PacketPtr pkt = srequest->pkt;
 
    assert(!was_coalesced);
    DPRINTF(RubySequencer, "Setting hasNoAddr ticks\n");
    Cycles curCycle =
        pkt->findNextSenderState
        <ComputeUnit::ScalarDataPort::SenderState>()
        ->_gpuDynInst->computeUnit()->curCycle();
    pkt->setData((const uint8_t *)&curCycle);
 
    // If using the RubyTester, update the RubyTester sender state's
    // subBlock with the recieved data.  The tester will later access
    // this state.
    assert(!m_usingRubyTester);
    assert(!m_ruby_system->getWarmupEnabled());
    assert(!m_ruby_system->getCooldownEnabled());
    ruby_hit_callback(pkt);
    testDrainComplete();
}
 
bool
VIPERSequencer::processReadCallback(SequencerRequest &seq_req,
                                    DataBlock& data,
                                    const bool ruby_request,
                                    bool externalHit,
                                    const MachineType mach,
                                    Cycles initialRequestTime,
                                    Cycles forwardRequestTime,
                                    Cycles firstResponseTime)
{
    if (seq_req.m_type != RubyRequestType_hasNoAddr) {
        return Sequencer::processReadCallback(
            seq_req, data, ruby_request, externalHit, mach, initialRequestTime,
            forwardRequestTime, firstResponseTime);
    }
    else if (!ruby_request) {
        issueRequest(seq_req.pkt, seq_req.m_second_type);
        return true;
    }
    return false;
}
 
} // namespace ruby
} // namespace gem5