mirror of https://github.com/YosysHQ/abc.git
332 lines
12 KiB
C
332 lines
12 KiB
C
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/**CFile****************************************************************
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FileName [wlcShow.c]
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SystemName [ABC: Logic synthesis and verification system.]
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PackageName [Verilog parser.]
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Synopsis [Parses several flavors of word-level Verilog.]
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Author [Alan Mishchenko]
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Affiliation [UC Berkeley]
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Date [Ver. 1.0. Started - August 22, 2014.]
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Revision [$Id: wlcShow.c,v 1.00 2014/09/12 00:00:00 alanmi Exp $]
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***********************************************************************/
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#include "wlc.h"
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ABC_NAMESPACE_IMPL_START
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////////////////////////////////////////////////////////////////////////
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/// DECLARATIONS ///
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////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////
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/// FUNCTION DEFINITIONS ///
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////////////////////////////////////////////////////////////////////////
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/**Function*************************************************************
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Synopsis [Writes the graph structure of WLC for DOT.]
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Description [Useful for graph visualization using tools such as GraphViz:
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http://www.graphviz.org/]
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SideEffects []
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SeeAlso []
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***********************************************************************/
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void Wlc_NtkDumpDot( Wlc_Ntk_t * p, char * pFileName, Vec_Int_t * vBold )
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{
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FILE * pFile;
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Wlc_Obj_t * pNode;
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int LevelMax, Prev, Level, i;
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if ( Wlc_NtkObjNum(p) > 500 )
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{
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fprintf( stdout, "Cannot visualize WLC with more than %d nodes.\n", 500 );
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return;
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}
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if ( (pFile = fopen( pFileName, "w" )) == NULL )
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{
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fprintf( stdout, "Cannot open the intermediate file \"%s\".\n", pFileName );
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return;
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}
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// mark the nodes
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if ( vBold )
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Wlc_NtkForEachObjVec( vBold, p, pNode, i )
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pNode->Mark = 1;
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// compute levels
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LevelMax = 1 + Wlc_NtkCreateLevelsRev( p );
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// write the DOT header
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fprintf( pFile, "# %s\n", "WLC structure generated by ABC" );
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fprintf( pFile, "\n" );
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fprintf( pFile, "digraph WLC {\n" );
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fprintf( pFile, "size = \"7.5,10\";\n" );
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// fprintf( pFile, "ranksep = 0.5;\n" );
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// fprintf( pFile, "nodesep = 0.5;\n" );
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fprintf( pFile, "center = true;\n" );
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// fprintf( pFile, "orientation = landscape;\n" );
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// fprintf( pFile, "edge [fontsize = 10];\n" );
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// fprintf( pFile, "edge [dir = none];\n" );
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fprintf( pFile, "edge [dir = back];\n" );
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fprintf( pFile, "\n" );
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// labels on the left of the picture
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fprintf( pFile, "{\n" );
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fprintf( pFile, " node [shape = plaintext];\n" );
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fprintf( pFile, " edge [style = invis];\n" );
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fprintf( pFile, " LevelTitle1 [label=\"\"];\n" );
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fprintf( pFile, " LevelTitle2 [label=\"\"];\n" );
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// generate node names with labels
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for ( Level = LevelMax; Level >= 0; Level-- )
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{
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// the visible node name
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fprintf( pFile, " Level%d", Level );
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fprintf( pFile, " [label = " );
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// label name
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fprintf( pFile, "\"" );
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fprintf( pFile, "\"" );
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fprintf( pFile, "];\n" );
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}
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// genetate the sequence of visible/invisible nodes to mark levels
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fprintf( pFile, " LevelTitle1 -> LevelTitle2 ->" );
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for ( Level = LevelMax; Level >= 0; Level-- )
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{
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// the visible node name
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fprintf( pFile, " Level%d", Level );
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// the connector
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if ( Level != 0 )
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fprintf( pFile, " ->" );
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else
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fprintf( pFile, ";" );
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}
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fprintf( pFile, "\n" );
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fprintf( pFile, "}" );
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fprintf( pFile, "\n" );
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fprintf( pFile, "\n" );
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// generate title box on top
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fprintf( pFile, "{\n" );
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fprintf( pFile, " rank = same;\n" );
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fprintf( pFile, " LevelTitle1;\n" );
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fprintf( pFile, " title1 [shape=plaintext,\n" );
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fprintf( pFile, " fontsize=20,\n" );
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fprintf( pFile, " fontname = \"Times-Roman\",\n" );
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fprintf( pFile, " label=\"" );
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fprintf( pFile, "%s", "WLC structure generated by ABC" );
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fprintf( pFile, "\\n" );
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fprintf( pFile, "Benchmark \\\"%s\\\". ", p->pName );
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// fprintf( pFile, "Time was %s. ", Extra_TimeStamp() );
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fprintf( pFile, "\"\n" );
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fprintf( pFile, " ];\n" );
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fprintf( pFile, "}" );
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fprintf( pFile, "\n" );
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fprintf( pFile, "\n" );
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// generate statistics box
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fprintf( pFile, "{\n" );
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fprintf( pFile, " rank = same;\n" );
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fprintf( pFile, " LevelTitle2;\n" );
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fprintf( pFile, " title2 [shape=plaintext,\n" );
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fprintf( pFile, " fontsize=18,\n" );
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fprintf( pFile, " fontname = \"Times-Roman\",\n" );
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fprintf( pFile, " label=\"" );
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fprintf( pFile, "The word-level network contains %d nodes and spans %d levels.", Wlc_NtkObjNum(p)-Wlc_NtkPiNum(p)-Wlc_NtkPoNum(p)-Wlc_NtkFfNum(p), LevelMax-1 );
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fprintf( pFile, "\\n" );
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fprintf( pFile, "\"\n" );
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fprintf( pFile, " ];\n" );
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fprintf( pFile, "}" );
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fprintf( pFile, "\n" );
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fprintf( pFile, "\n" );
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// generate the COs
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fprintf( pFile, "{\n" );
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fprintf( pFile, " rank = same;\n" );
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// the labeling node of this level
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fprintf( pFile, " Level%d;\n", LevelMax );
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// generate the CO nodes
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Wlc_NtkForEachCo( p, pNode, i )
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{
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fprintf( pFile, " NodePo%d [label = \"%s %d\"", Wlc_ObjId(p, pNode), Wlc_ObjName(p, Wlc_ObjId(p, pNode)), Wlc_ObjRange(pNode) );
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fprintf( pFile, ", shape = %s", "invtriangle" );
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fprintf( pFile, ", color = coral, fillcolor = coral" );
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fprintf( pFile, "];\n" );
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}
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fprintf( pFile, "}" );
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fprintf( pFile, "\n" );
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fprintf( pFile, "\n" );
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// generate nodes of each rank
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for ( Level = LevelMax - 1; Level > 0; Level-- )
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{
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fprintf( pFile, "{\n" );
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fprintf( pFile, " rank = same;\n" );
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// the labeling node of this level
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fprintf( pFile, " Level%d;\n", Level );
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Wlc_NtkForEachObj( p, pNode, i )
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{
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if ( (int)Wlc_ObjLevel(p, pNode) != Level )
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continue;
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if ( pNode->Type == WLC_OBJ_CONST )
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{
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fprintf( pFile, " Node%d [label = \"0x", i );
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Abc_TtPrintHexArrayRev( pFile, (word *)Wlc_ObjConstValue(pNode), (Wlc_ObjRange(pNode) + 3) / 4 );
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fprintf( pFile, "\"" );
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}
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else if ( pNode->Type == WLC_OBJ_BUF || pNode->Type == WLC_OBJ_MUX )
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fprintf( pFile, " Node%d [label = \"%d\"", i, Wlc_ObjRange(pNode) );
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else if ( pNode->Type >= WLC_OBJ_LOGIC_NOT && pNode->Type <= WLC_OBJ_COMP_MOREEQU )
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fprintf( pFile, " Node%d [label = \"%s\"", i, Wlc_ObjTypeName(pNode) );
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else
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fprintf( pFile, " Node%d [label = \"%s %d\"", i, Wlc_ObjTypeName(pNode), Wlc_ObjRange(pNode) );
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if ( pNode->Type == WLC_OBJ_ARI_MULTI )
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fprintf( pFile, ", shape = doublecircle" );
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else if ( pNode->Type >= WLC_OBJ_COMP_EQU && pNode->Type <= WLC_OBJ_COMP_MOREEQU )
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fprintf( pFile, ", shape = diamond" );
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else if ( pNode->Type == WLC_OBJ_BIT_SELECT || pNode->Type == WLC_OBJ_BIT_CONCAT )
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fprintf( pFile, ", shape = box" );
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else if ( pNode->Type == WLC_OBJ_BUF || pNode->Type == WLC_OBJ_BIT_ZEROPAD || pNode->Type == WLC_OBJ_BIT_SIGNEXT )
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fprintf( pFile, ", shape = triangle" );
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else if ( pNode->Type == WLC_OBJ_MUX )
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fprintf( pFile, ", shape = trapezium" );
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else
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fprintf( pFile, ", shape = ellipse" );
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if ( vBold ? pNode->Mark : ((pNode->Type >= WLC_OBJ_ARI_ADD && pNode->Type <= WLC_OBJ_ARI_SQUARE) || pNode->Type == WLC_OBJ_BIT_NOT) )
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fprintf( pFile, ", style = filled" );
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fprintf( pFile, "];\n" );
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}
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fprintf( pFile, "}" );
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fprintf( pFile, "\n" );
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fprintf( pFile, "\n" );
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}
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// generate the CI nodes
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fprintf( pFile, "{\n" );
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fprintf( pFile, " rank = same;\n" );
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// the labeling node of this level
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fprintf( pFile, " Level%d;\n", 0 );
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// generate the CI nodes
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Wlc_NtkForEachCi( p, pNode, i )
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{
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fprintf( pFile, " Node%d [label = \"%s %d\"", Wlc_ObjId(p, pNode), Wlc_ObjName(p, Wlc_ObjId(p, pNode)), Wlc_ObjRange(pNode) );
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fprintf( pFile, ", shape = %s", "triangle" );
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fprintf( pFile, ", color = coral, fillcolor = coral" );
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fprintf( pFile, "];\n" );
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}
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fprintf( pFile, "}" );
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fprintf( pFile, "\n" );
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fprintf( pFile, "\n" );
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// generate invisible edges from the square down
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fprintf( pFile, "title1 -> title2 [style = invis];\n" );
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Wlc_NtkForEachCo( p, pNode, i )
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fprintf( pFile, "title2 -> NodePo%d [style = invis];\n", Wlc_ObjId(p, pNode) );
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// generate invisible edges among the COs
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Prev = -1;
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Wlc_NtkForEachCo( p, pNode, i )
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{
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if ( i > 0 )
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fprintf( pFile, "NodePo%d -> NodePo%d [style = invis];\n", Prev, Wlc_ObjId(p, pNode) );
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Prev = Wlc_ObjId(p, pNode);
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}
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// generate invisible edges among the CIs
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Prev = -1;
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Wlc_NtkForEachCi( p, pNode, i )
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{
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if ( i > 0 )
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fprintf( pFile, "Node%d -> Node%d [style = invis];\n", Prev, Wlc_ObjId(p, pNode) );
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Prev = Wlc_ObjId(p, pNode);
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}
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// generate edges
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Wlc_NtkForEachObj( p, pNode, i )
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{
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int k, iFanin;
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if ( Wlc_ObjIsCi(pNode) )
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continue;
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if ( Wlc_ObjIsCo(pNode) )
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{
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// generate the edge from this node to the next
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fprintf( pFile, "NodePo%d", i );
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fprintf( pFile, " -> " );
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fprintf( pFile, "Node%d", i );
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fprintf( pFile, " [" );
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fprintf( pFile, "style = %s", pNode->Signed? "dotted" : "bold" );
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fprintf( pFile, "]" );
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fprintf( pFile, ";\n" );
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}
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// generate the edge from this node to the next
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Wlc_ObjForEachFanin( pNode, iFanin, k )
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{
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fprintf( pFile, "Node%d", i );
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fprintf( pFile, " -> " );
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fprintf( pFile, "Node%d", iFanin );
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fprintf( pFile, " [" );
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fprintf( pFile, "style = %s", Wlc_NtkObj(p, iFanin)->Signed? "dotted" : "bold" );
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fprintf( pFile, "]" );
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fprintf( pFile, ";\n" );
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}
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}
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fprintf( pFile, "}" );
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fprintf( pFile, "\n" );
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fprintf( pFile, "\n" );
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fclose( pFile );
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// unmark nodes
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if ( vBold )
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Wlc_NtkCleanMarks( p );
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}
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/**Function*************************************************************
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Synopsis []
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Description []
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SideEffects []
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SeeAlso []
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***********************************************************************/
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void Wlc_NtkShow( Wlc_Ntk_t * p, Vec_Int_t * vBold )
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{
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extern void Abc_ShowFile( char * FileNameDot );
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FILE * pFile;
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char FileNameDot[200];
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sprintf( FileNameDot, "%s", Extra_FileNameGenericAppend(p->pName, ".dot") );
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// check that the file can be opened
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if ( (pFile = fopen( FileNameDot, "w" )) == NULL )
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{
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fprintf( stdout, "Cannot open the intermediate file \"%s\".\n", FileNameDot );
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return;
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}
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fclose( pFile );
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// generate the file
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Wlc_NtkDumpDot( p, FileNameDot, vBold );
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// visualize the file
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Abc_ShowFile( FileNameDot );
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}
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////////////////////////////////////////////////////////////////////////
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/// END OF FILE ///
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////////////////////////////////////////////////////////////////////////
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ABC_NAMESPACE_IMPL_END
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