From 79b6b1ce817109fe8710f8faabc1af602612fbe8 Mon Sep 17 00:00:00 2001
From: mgwoo <mgwoo@unist.ac.kr>
Date: Mon, 4 Mar 2019 15:44:33 -0800
Subject: [PATCH] Routability header updated

---
 src/routeOpt.h | 146 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 src/routeOpt.h

diff --git a/src/routeOpt.h b/src/routeOpt.h
new file mode 100644
index 0000000..f9cf673
--- /dev/null
+++ b/src/routeOpt.h
@@ -0,0 +1,146 @@
+#ifndef __REPLACE_ROUTE__
+#define __REPLACE_ROUTE__ 0
+#include "global.h"
+#include "lefdefIO.h"
+
+
+enum LayerDirection {
+  Horizontal, Vertical
+};
+
+struct Layer {
+  string layerName;
+  float layerPitchX, layerPitchY;
+  float layerWidth;
+  LayerDirection layerDirection;
+  Layer(string _layerName, float _layerPitchX, float _layerPitchY, 
+      float _layerWidth, LayerDirection _layerDirection) : 
+    layerName(_layerName), 
+    layerPitchX(_layerPitchX), layerPitchY(_layerPitchY), 
+    layerWidth(_layerWidth), 
+    layerDirection(_layerDirection) {};
+
+
+  void Dump() {
+    cout << "name: " << layerName << endl;
+    cout << "pitch: " << layerPitchX << " " << layerPitchY << endl;
+    cout << "width: " << layerWidth << endl;
+    cout << "direction: " << 
+      ((layerDirection == LayerDirection::Horizontal)? "horizontal" : "vertical") << endl << endl;
+  }
+};
+
+struct ReducedTrack {
+  int layerIdx;
+  int lx, ly, ux, uy;
+  int trackCnt;
+  ReducedTrack( int _layerIdx, int _lx, int _ly, 
+      int _ux, int _uy, int _trackCnt ) : 
+    layerIdx(_layerIdx), lx(_lx), ly(_ly), 
+    ux(_ux), uy(_uy), trackCnt(_trackCnt) {};
+
+  void Dump() {
+    cout << "layerIdx: " << layerIdx << endl;
+    cout << "tileXY: (" << lx << ", " << ly << ") - (" << ux << ", " << uy << ")" << endl;
+    cout << "track: " << trackCnt << endl << endl;
+  }
+};
+
+class RouteInstance {
+  private:
+
+    vector<Layer> _layerStor;
+    // LayerIdx --> get corresponding track Count
+    vector<int> _trackCount;
+
+
+    Circuit::Circuit* _ckt;
+
+    float _defDbu; 
+
+    float _unitX, _unitY;
+    float _offsetX, _offsetY;
+
+    // GCellSize in Micron
+    float _gCellSizeX, _gCellSizeY;
+
+    // to generate *.route files for bookshelf
+    // GCellSize in Bookshelf's scale, i.e., tileSize
+    int _tileSizeX, _tileSizeY;
+    int _gridCountX, _gridCountY;
+
+    int _gridInnerCountX, _gridInnerCountY;
+
+    float _gridOriginX, _gridOriginY;
+
+    dense_hash_map< string, int > _layerMap; 
+  
+    // Layer Name -> Metal Layer Resources control 
+    dense_hash_map< string, float > _layerCapacityMap;
+
+    // below is for bookshelf 
+    vector< ReducedTrack > _bsReducedTrackStor;
+
+    // located in routeOpt.cpp    
+    // for netInstance, moduleInstance, terminalInstance, ...
+    void SetReplaceStructure();
+
+    void FillGCellXY();
+    void FillTrack();
+    void FillGridXY();
+
+    void FillForReducedTrackStor();
+    
+    // located in lefdefIO.cpp
+    void SetScaleFactor();
+    void SetCircuitInst();
+
+
+  public:
+    RouteInstance() : _defDbu(FLT_MIN), _unitX(FLT_MIN), _unitY(FLT_MIN),
+      _offsetX(FLT_MIN), _offsetY(FLT_MIN),
+      _gCellSizeX(FLT_MIN), _gCellSizeY(FLT_MIN),
+      _tileSizeX(INT_MIN), _tileSizeY(INT_MIN),
+      _gridCountX(INT_MIN), _gridCountY(INT_MIN),
+      _gridInnerCountX(INT_MIN), _gridInnerCountY(INT_MIN),
+      _gridOriginX(FLT_MIN), _gridOriginY(FLT_MIN) {};
+
+    // located in routeOpt.cpp
+    void Init();
+    void FillLayerStor();
+    void FillLayerCapacityRatio(string fileName); 
+
+    // helper function
+    int GetLayerCount() { return _layerStor.size(); };
+    Layer& GetLayer( int layerIdx ) { return _layerStor[layerIdx]; };
+    vector<Layer>& GetLayerStor() {return _layerStor; };
+    vector<int>& GetTrackCount() {return _trackCount; };
+    int GetTrackCount(int layerIdx) { return _trackCount[layerIdx]; };
+    int GetTileSizeX() { return _tileSizeX; };
+    int GetTileSizeY() { return _tileSizeY; };
+    int GetGridCountX() { return _gridCountX; };
+    int GetGridCountY() { return _gridCountY; };
+    float GetGridOriginX() {return _gridOriginX; };
+    float GetGridOriginY() {return _gridOriginY; };
+    Circuit::Circuit* GetCircuitInst() { return _ckt; };
+    dense_hash_map<string, int>& GetLayerMap() {return _layerMap; };
+    
+    int GetReducedTrackCount() { return _bsReducedTrackStor.size(); };
+    ReducedTrack& GetReducedTrack( int idx ) { return _bsReducedTrackStor[idx]; };
+    vector<ReducedTrack>& GetReducedTrackStor() { return _bsReducedTrackStor; }; 
+
+    bool IsRoutingLayer( string input ) { return _layerMap.find(input) != _layerMap.end(); };
+    int GetRoutingLayerIdx( string input ) { 
+      auto lmPtr = _layerMap.find(input); 
+      if( lmPtr == _layerMap.end() ) {
+        exit(1);
+      }
+      return lmPtr->second;
+    }; 
+
+}; 
+
+void congEstimation(struct FPOS *st);
+extern RouteInstance routeInst;
+
+#endif