99 lines
2.2 KiB
C++
99 lines
2.2 KiB
C++
// Copyright © 2019-2023
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <simobject.h>
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#include "pipeline.h"
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#include "cache_sim.h"
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namespace vortex {
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class Core;
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class ExeUnit : public SimObject<ExeUnit> {
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public:
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std::vector<SimPort<pipeline_trace_t*>> Inputs;
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std::vector<SimPort<pipeline_trace_t*>> Outputs;
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ExeUnit(const SimContext& ctx, Core* core, const char* name)
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: SimObject<ExeUnit>(ctx, name)
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, Inputs(ISSUE_WIDTH, this)
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, Outputs(ISSUE_WIDTH, this)
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, core_(core)
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{}
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virtual ~ExeUnit() {}
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virtual void reset() {}
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virtual void tick() = 0;
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protected:
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Core* core_;
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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(const SimContext& ctx, Core*);
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void tick();
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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(const SimContext& ctx, Core*);
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void tick();
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};
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///////////////////////////////////////////////////////////////////////////////
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class LsuUnit : public ExeUnit {
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public:
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LsuUnit(const SimContext& ctx, Core*);
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void reset();
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void tick();
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private:
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struct pending_req_t {
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pipeline_trace_t* trace;
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uint32_t count;
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};
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HashTable<pending_req_t> pending_rd_reqs_;
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uint32_t num_lanes_;
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pipeline_trace_t* fence_state_;
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uint64_t pending_loads_;
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bool fence_lock_;
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uint32_t input_idx_;
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};
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///////////////////////////////////////////////////////////////////////////////
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class SfuUnit : public ExeUnit {
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public:
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SfuUnit(const SimContext& ctx, Core*);
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void tick();
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private:
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uint32_t input_idx_;
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};
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} |