simx directory name fix

sim/simx/exeunit.h

@@ -0,0 +1,95 @@
+#pragma once
+
+#include <simobject.h>
+#include "pipeline.h"
+#include "cache.h"
+
+namespace vortex {
+
+class Core;
+
+class ExeUnit : public SimObject<ExeUnit> {
+public:
+    SimPort<pipeline_trace_t*> Input;
+    SimPort<pipeline_trace_t*> Output;
+
+    ExeUnit(const SimContext& ctx, Core* core, const char* name) 
+        : SimObject<ExeUnit>(ctx, name) 
+        , Input(this)
+        , Output(this)
+        , core_(core)
+    {}    
+    
+    virtual ~ExeUnit() {}
+
+protected:
+    Core* core_;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+class NopUnit : public ExeUnit {
+public:
+    NopUnit(const SimContext& ctx, Core*);
+    
+    void step(uint64_t cycle);
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+class LsuUnit : public ExeUnit {
+private:    
+    uint32_t num_threads_;
+    HashTable<std::pair<pipeline_trace_t*, uint32_t>> pending_dcache_;
+    pipeline_trace_t* fence_state_;
+    bool fence_lock_;
+
+public:
+    LsuUnit(const SimContext& ctx, Core*);
+
+    void step(uint64_t cycle);
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+class AluUnit : public ExeUnit {
+public:
+    AluUnit(const SimContext& ctx, Core*);
+    
+    void step(uint64_t cycle);
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+class CsrUnit : public ExeUnit {
+public:
+    CsrUnit(const SimContext& ctx, Core*);
+    
+    void step(uint64_t cycle);
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+class FpuUnit : public ExeUnit {
+public:
+    FpuUnit(const SimContext& ctx, Core*);
+    
+    void step(uint64_t cycle);
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+class GpuUnit : public ExeUnit {
+private:
+    uint32_t num_threads_;
+    HashTable<std::pair<pipeline_trace_t*, uint32_t>> pending_tex_reqs_;
+
+    bool processTexRequest(uint64_t cycle, pipeline_trace_t* trace);
+    
+public:
+    GpuUnit(const SimContext& ctx, Core*);
+    
+    void step(uint64_t cycle);
+};
+
+}