adding sockets support to simx and cache subsystem refactoring

minor update

minor update

minor updates

sim/simx/socket.h

@@ -0,0 +1,87 @@
+// 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 "dcrs.h"
+#include "arch.h"
+#include "cache_cluster.h"
+#include "shared_mem.h"
+#include "core.h"
+#include "constants.h"
+
+namespace vortex {
+
+class Cluster;
+
+class Socket : public SimObject<Socket> {
+public:
+  struct PerfStats {
+    CacheSim::PerfStats icache;
+    CacheSim::PerfStats dcache;
+
+    PerfStats& operator+=(const PerfStats& rhs) {
+      this->icache += rhs.icache;
+      this->dcache += rhs.dcache;
+      return *this;
+    }
+  };
+
+  SimPort<MemReq> icache_mem_req_port;
+  SimPort<MemRsp> icache_mem_rsp_port;
+
+  SimPort<MemReq> dcache_mem_req_port;
+  SimPort<MemRsp> dcache_mem_rsp_port;
+
+  Socket(const SimContext& ctx, 
+         uint32_t socket_id,
+         Cluster* cluster, 
+         const Arch &arch, 
+         const DCRS &dcrs);
+
+  ~Socket();
+
+  uint32_t id() const {
+    return socket_id_;
+  }
+
+  Cluster* cluster() const {
+    return cluster_;
+  }
+
+  void reset();
+
+  void tick();
+
+  void attach_ram(RAM* ram);
+
+  bool running() const;
+
+  bool check_exit(Word* exitcode, bool riscv_test) const;  
+
+  void barrier(uint32_t bar_id, uint32_t count, uint32_t core_id);
+
+  void resume(uint32_t core_id);
+
+  Socket::PerfStats perf_stats() const;
+  
+private:
+  uint32_t                socket_id_;  
+  std::vector<Core::Ptr>  cores_;
+  CacheCluster::Ptr       icaches_;
+  CacheCluster::Ptr       dcaches_;
+  Cluster*                cluster_;
+};
+
+} // namespace vortex