New package to read/write a subset of Liberty for STA.

src/map/scl/scl.c

@@ -102,14 +102,14 @@ int Scl_CommandRead( Abc_Frame_t * pAbc, int argc, char ** argv )
 
     // get the input file name
     pFileName = argv[globalUtilOptind];
-    if ( (pFile = fopen( pFileName, "r" )) == NULL )
+    if ( (pFile = fopen( pFileName, "rb" )) == NULL )
     {
         fprintf( pAbc->Err, "Cannot open input file \"%s\". \n", pFileName );
         return 1;
     }
     fclose( pFile );
 
-    // set the new network
+    // read new library
     Abc_SclLoad( pFileName, &pAbc->pLibScl );
     return 0;
 
@@ -134,6 +134,7 @@ usage:
 ***********************************************************************/
 int Scl_CommandWrite( Abc_Frame_t * pAbc, int argc, char **argv )
 {
+    FILE * pFile;
     char * pFileName;
     int c;
 
@@ -157,6 +158,14 @@ int Scl_CommandWrite( Abc_Frame_t * pAbc, int argc, char **argv )
     }
     // get the input file name
     pFileName = argv[globalUtilOptind];
+    if ( (pFile = fopen( pFileName, "wb" )) == NULL )
+    {
+        fprintf( pAbc->Err, "Cannot open output file \"%s\". \n", pFileName );
+        return 1;
+    }
+    fclose( pFile );
+
+    // save current library
     Abc_SclSave( pFileName, pAbc->pLibScl );
     return 0;
 

src/map/scl/sclInt.h

@@ -101,6 +101,7 @@ struct SC_Surface_
     Vec_Flt_t *    vIndex0;        // Vec<float>       -- correspondes to "index_1" in the liberty file (for timing: slew)
     Vec_Flt_t *    vIndex1;        // Vec<float>       -- correspondes to "index_2" in the liberty file (for timing: load)
     Vec_Ptr_t *    vData;          // Vec<Vec<float> > -- 'data[i0][i1]' gives value at '(index0[i0], index1[i1])' 
+    float          approx[3][6];
 };
 
 struct SC_Timing_ 
@@ -153,8 +154,8 @@ struct SC_Lib_
     char *         default_wire_load_sel;
     float          default_max_out_slew;   // -- 'default_max_transition'; this is copied to each output pin where 'max_transition' is not defined
     int            unit_time;      // -- Valid 9..12. Unit is '10^(-val)' seconds (e.g. 9=1ns, 10=100ps, 11=10ps, 12=1ps)
-    float          unit_cap_float; // -- First part is a multiplier, second either 12 or 15 for 'pf' or 'ff'.
-    int            unit_cap_int;
+    float          unit_cap_fst;   // -- First part is a multiplier, second either 12 or 15 for 'pf' or 'ff'.
+    int            unit_cap_snd;
     Vec_Ptr_t *    vWireLoads;     // NamedSet<SC_WireLoad>
     Vec_Ptr_t *    vWireLoadSels;  // NamedSet<SC_WireLoadSel>
     Vec_Ptr_t *    vTempls;        // NamedSet<SC_TableTempl>  
@@ -229,8 +230,8 @@ static inline SC_Pin * Abc_SclPinAlloc()
     SC_Pin * p;
     p = ABC_CALLOC( SC_Pin, 1 );
     p->max_out_slew = -1;
-    p->vRTimings = Vec_PtrAlloc( 0 );
     p->vFunc        = Vec_WrdAlloc( 0 );
+    p->vRTimings    = Vec_PtrAlloc( 0 );
     return p;
 }
 static inline SC_Cell * Abc_SclCellAlloc()
@@ -246,8 +247,8 @@ static inline SC_Lib * Abc_SclLibAlloc()
     p = ABC_CALLOC( SC_Lib, 1 );
     p->default_max_out_slew = -1;
     p->unit_time      = 9;
-    p->unit_cap_float = 1;
-    p->unit_cap_int   = 12;
+    p->unit_cap_fst   = 1;
+    p->unit_cap_snd   = 12;
     p->vWireLoads     = Vec_PtrAlloc( 0 );
     p->vWireLoadSels  = Vec_PtrAlloc( 0 );
     p->vTempls        = Vec_PtrAlloc( 0 );

src/misc/util/abc_global.h

@@ -242,6 +242,7 @@ static inline int      Abc_Base16Log( unsigned n )            { int r; if ( n <
 static inline char *   Abc_UtilStrsav( char * s )             { return s ? strcpy(ABC_ALLOC(char, strlen(s)+1), s) : NULL;  }
 static inline int      Abc_BitWordNum( int nBits )            { return (nBits>>5) + ((nBits&31) > 0);                       }
 static inline int      Abc_TruthWordNum( int nVars )          { return nVars <= 5 ? 1 : (1 << (nVars - 5));                 }
+static inline int      Abc_Truth6WordNum( int nVars )         { return nVars <= 6 ? 1 : (1 << (nVars - 6));                 }
 static inline int      Abc_InfoHasBit( unsigned * p, int i )  { return (p[(i)>>5] & (1<<((i) & 31))) > 0;                   }
 static inline void     Abc_InfoSetBit( unsigned * p, int i )  { p[(i)>>5] |= (1<<((i) & 31));                               }
 static inline void     Abc_InfoXorBit( unsigned * p, int i )  { p[(i)>>5] ^= (1<<((i) & 31));                               }