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72 lines
1.6 KiB
C++
72 lines
1.6 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 "types.h"
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namespace vortex {
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class LocalMem : public SimObject<LocalMem> {
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public:
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struct Config {
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uint32_t capacity;
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uint32_t line_size;
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uint32_t num_reqs;
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uint32_t B; // log2 number of banks
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bool write_reponse;
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};
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struct PerfStats {
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uint64_t reads;
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uint64_t writes;
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uint64_t bank_stalls;
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PerfStats()
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: reads(0)
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, writes(0)
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, bank_stalls(0)
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{}
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PerfStats& operator+=(const PerfStats& rhs) {
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this->reads += rhs.reads;
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this->writes += rhs.writes;
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this->bank_stalls += rhs.bank_stalls;
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return *this;
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}
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};
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std::vector<SimPort<MemReq>> Inputs;
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std::vector<SimPort<MemRsp>> Outputs;
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LocalMem(const SimContext& ctx, const char* name, const Config& config);
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virtual ~LocalMem();
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void reset();
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void read(void* data, uint64_t addr, uint32_t size);
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void write(const void* data, uint64_t addr, uint32_t size);
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void tick();
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const PerfStats& perf_stats() const;
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protected:
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class Impl;
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Impl* impl_;
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};
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}
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