Vortex 2.0 changes:

+ Microarchitecture optimizations
+ 64-bit support
+ Xilinx FPGA support
+ LLVM-16 support
+ Refactoring and quality control fixes

sim/simx/mem_sim.h

@@ -0,0 +1,55 @@
+// Copyright © 2019-2023
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma once
+
+#include <simobject.h>
+#include "types.h"
+
+namespace vortex {
+
+class MemSim : public SimObject<MemSim>{
+public:
+    struct Config {        
+        uint32_t channels;      
+        uint32_t num_cores;
+    };
+
+    struct PerfStats {
+        uint64_t reads;
+        uint64_t writes;
+
+        PerfStats() 
+            : reads(0)
+            , writes(0)
+        {}
+    };
+
+    SimPort<MemReq> MemReqPort;
+    SimPort<MemRsp> MemRspPort;
+
+    MemSim(const SimContext& ctx, const char* name, const Config& config);
+    ~MemSim();
+
+    void reset();
+
+    void tick();
+
+    const PerfStats& perf_stats() const;
+    
+private:
+    class Impl;
+    Impl* impl_;
+};
+
+};