xref: /gem5/ext/dsent/model/timing_graph/ElectricalNet.cc

#include "model/timing_graph/ElectricalNet.h"
#include "model/timing_graph/ElectricalLoad.h"

namespace DSENT
{
    //-------------------------------------------------------------------------
    // Electrical Net
    //-------------------------------------------------------------------------

    ElectricalNet::ElectricalNet(const String& instance_name_, ElectricalModel* model_)
        : ElectricalTimingNode(instance_name_, model_), m_distributed_res_(0), m_distributed_cap_(0)
    {

    }

    ElectricalNet::~ElectricalNet()
    {

    }

    double ElectricalNet::calculateDelay() const
    {
        // Remember that this is a pi model, delay is distributed cap * distributed_res / 2 +
        // distributed res * (other downstream caps)
        return 0.693 * (getTotalDownstreamCap() - m_distributed_cap_ / 2) * m_distributed_res_;
    }

    double ElectricalNet::calculateTransition() const
    {
        return 1.386 * getMaxUpstreamRes() * (m_distributed_cap_ * 0.2 + ElectricalTimingNode::getTotalDownstreamCap());
    }

    double ElectricalNet::getMaxUpstreamRes() const
    {
        return m_distributed_res_ + ElectricalTimingNode::getMaxUpstreamRes();
    }

    double ElectricalNet::getTotalDownstreamCap() const
    {
        return m_distributed_cap_ + ElectricalTimingNode::getTotalDownstreamCap();
    }

    void ElectricalNet::setDistributedCap(double distributed_cap_)
    {
        m_distributed_cap_ = distributed_cap_;
        return;
    }

    void ElectricalNet::setDistributedRes(double distributed_res_)
    {
        m_distributed_res_ = distributed_res_;
        return;
    }

    double ElectricalNet::getDistributedCap() const
    {
        return m_distributed_cap_;
    }

    double ElectricalNet::getDistributedRes() const
    {
        return m_distributed_res_;
    }

    bool ElectricalNet::isNet() const
    {
        return true;
    }

} // namespace DSENT