110 lines
2.2 KiB
C++
110 lines
2.2 KiB
C++
#pragma once
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#include <simobject.h>
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#include "pipeline.h"
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#include "cache.h"
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namespace vortex {
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class Core;
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class ExeUnit {
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protected:
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const char* name_;
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Queue<pipeline_state_t> inputs_;
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Queue<pipeline_state_t> outputs_;
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void schedule_output(const pipeline_state_t& state, uint32_t delay) {
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if (delay > 1) {
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SimPlatform::instance().schedule(
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[&](const pipeline_state_t& req) {
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outputs_.push(req);
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},
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state,
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(delay - 1)
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);
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} else {
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outputs_.push(state);
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}
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}
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public:
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typedef std::shared_ptr<ExeUnit> Ptr;
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ExeUnit(const char* name) : name_(name) {}
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virtual ~ExeUnit() {}
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void push_input(const pipeline_state_t& state) {
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inputs_.push(state);
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}
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bool pop_output(pipeline_state_t* state) {
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return outputs_.try_pop(state);
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}
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virtual void step(uint64_t cycle) = 0;
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};
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///////////////////////////////////////////////////////////////////////////////
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class NopUnit : public ExeUnit {
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public:
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NopUnit(Core*);
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void step(uint64_t cycle);
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};
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///////////////////////////////////////////////////////////////////////////////
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class LsuUnit : public ExeUnit {
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private:
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Core* core_;
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uint32_t num_threads_;
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HashTable<std::pair<pipeline_state_t, ThreadMask>> pending_dcache_;
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pipeline_state_t fence_state_;
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bool fence_lock_;
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public:
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LsuUnit(Core*);
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void step(uint64_t cycle);
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};
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///////////////////////////////////////////////////////////////////////////////
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class AluUnit : public ExeUnit {
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public:
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AluUnit(Core*);
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void step(uint64_t cycle);
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};
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///////////////////////////////////////////////////////////////////////////////
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class CsrUnit : public ExeUnit {
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public:
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CsrUnit(Core*);
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void step(uint64_t cycle);
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};
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///////////////////////////////////////////////////////////////////////////////
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class FpuUnit : public ExeUnit {
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public:
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FpuUnit(Core*);
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void step(uint64_t cycle);
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};
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///////////////////////////////////////////////////////////////////////////////
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class GpuUnit : public ExeUnit {
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public:
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GpuUnit(Core*);
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void step(uint64_t cycle);
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};
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} |