mirror of
https://github.com/vortexgpgpu/vortex.git
synced 2025-04-20 20:11:24 -04:00
116 lines
No EOL
2.5 KiB
C++
116 lines
No EOL
2.5 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 <array>
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#include "instr_trace.h"
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namespace vortex {
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class Core;
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class FuncUnit : public SimObject<FuncUnit> {
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public:
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std::vector<SimPort<instr_trace_t*>> Inputs;
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std::vector<SimPort<instr_trace_t*>> Outputs;
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FuncUnit(const SimContext& ctx, Core* core, const char* name)
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: SimObject<FuncUnit>(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 ~FuncUnit() {}
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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 FuncUnit {
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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 FuncUnit {
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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 FuncUnit {
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public:
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LsuUnit(const SimContext& ctx, Core*);
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~LsuUnit();
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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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instr_trace_t* trace;
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BitVector<> mask;
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};
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struct lsu_state_t {
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HashTable<pending_req_t> pending_rd_reqs;
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instr_trace_t* fence_trace;
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bool fence_lock;
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lsu_state_t() : pending_rd_reqs(LSUQ_IN_SIZE) {}
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void clear() {
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this->pending_rd_reqs.clear();
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this->fence_trace = nullptr;
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this->fence_lock = false;
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}
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};
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std::array<lsu_state_t, NUM_LSU_BLOCKS> states_;
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uint64_t pending_loads_;
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};
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///////////////////////////////////////////////////////////////////////////////
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class TcuUnit : public FuncUnit {
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public:
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TcuUnit(const SimContext& ctx, Core*);
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void tick();
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};
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///////////////////////////////////////////////////////////////////////////////
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class SfuUnit : public FuncUnit {
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public:
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SfuUnit(const SimContext& ctx, Core*);
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void tick();
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};
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} |