uarch/fetch.h


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#pragma once

#include <memory>

#include "aisa/aisa.h"
#include "aisa/simple-models.h"
#include "sim/sim.h"
#include "sim/queue.h"
#include "uarch/types.h"

namespace uarch {

    struct FetchStage : public sim::Schedulable, aisa::TaskStack, aisa::VectorRF {
        sim::Queue<FillReq> &fillreqq;
        sim::Queue<Fill> &fillq;
        sim::Queue<Uop> &uopq;

        std::unique_ptr<const aisa::Step> step;
        aisa::Wires wires;
        bool outstanding_fill = false;
        bool fill_complete = false;

        FetchStage(sim::Scheduler &scheduler, const aisa::ISA &isa, sim::Queue<FillReq> &fillreqq, sim::Queue<Fill> &fillq, sim::Queue<Uop> &uopq);

        void clock() override;
    };

}