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abc/src/map/mio/mio.c

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/**CFile****************************************************************
FileName [mio.c]
PackageName [MVSIS 1.3: Multi-valued logic synthesis system.]
Synopsis [File reading/writing for technology mapping.]
Author [MVSIS Group]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - August 18, 2003.]
Revision [$Id: mio.c,v 1.4 2004/08/05 18:34:51 satrajit Exp $]
***********************************************************************/
#define _BSD_SOURCE
#ifndef WIN32
#include <unistd.h>
#endif
#include "base/main/main.h"
#include "mio.h"
#include "map/mapper/mapper.h"
#include "map/amap/amap.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
static int Mio_CommandReadLiberty( Abc_Frame_t * pAbc, int argc, char **argv );
static int Mio_CommandReadLibrary( Abc_Frame_t * pAbc, int argc, char **argv );
static int Mio_CommandPrintLibrary( Abc_Frame_t * pAbc, int argc, char **argv );
static int Mio_CommandReadLibrary2( Abc_Frame_t * pAbc, int argc, char **argv );
static int Mio_CommandPrintLibrary2( Abc_Frame_t * pAbc, int argc, char **argv );
/*
// internal version of GENLIB library
static char * pMcncGenlib[25] = {
"GATE inv1 1 O=!a; PIN * INV 1 999 0.9 0.0 0.9 0.0\n",
"GATE inv2 2 O=!a; PIN * INV 2 999 1.0 0.0 1.0 0.0\n",
"GATE inv3 3 O=!a; PIN * INV 3 999 1.1 0.0 1.1 0.0\n",
"GATE inv4 4 O=!a; PIN * INV 4 999 1.2 0.0 1.2 0.0\n",
"GATE nand2 2 O=!(a*b); PIN * INV 1 999 1.0 0.0 1.0 0.0\n",
"GATE nand3 3 O=!(a*b*c); PIN * INV 1 999 1.1 0.0 1.1 0.0\n",
"GATE nand4 4 O=!(a*b*c*d); PIN * INV 1 999 1.4 0.0 1.4 0.0\n",
"GATE nor2 2 O=!(a+b); PIN * INV 1 999 1.4 0.0 1.4 0.0\n",
"GATE nor3 3 O=!(a+b+c); PIN * INV 1 999 2.4 0.0 2.4 0.0\n",
"GATE nor4 4 O=!(a+b+c+d); PIN * INV 1 999 3.8 0.0 3.8 0.0\n",
"GATE xora 5 O=a*!b+!a*b; PIN * UNKNOWN 2 999 1.9 0.0 1.9 0.0\n",
"GATE xorb 5 O=!(a*b+!a*!b); PIN * UNKNOWN 2 999 1.9 0.0 1.9 0.0\n",
"GATE xnora 5 O=a*b+!a*!b; PIN * UNKNOWN 2 999 2.1 0.0 2.1 0.0\n",
"GATE xnorb 5 O=!(!a*b+a*!b); PIN * UNKNOWN 2 999 2.1 0.0 2.1 0.0\n",
"GATE aoi21 3 O=!(a*b+c); PIN * INV 1 999 1.6 0.0 1.6 0.0\n",
"GATE aoi22 4 O=!(a*b+c*d); PIN * INV 1 999 2.0 0.0 2.0 0.0\n",
"GATE oai21 3 O=!((a+b)*c); PIN * INV 1 999 1.6 0.0 1.6 0.0\n",
"GATE oai22 4 O=!((a+b)*(c+d)); PIN * INV 1 999 2.0 0.0 2.0 0.0\n",
"GATE buf 1 O=a; PIN * NONINV 1 999 1.0 0.0 1.0 0.0\n",
"GATE zero 0 O=CONST0;\n",
"GATE one 0 O=CONST1;\n"
};
*/
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Mio_Init( Abc_Frame_t * pAbc )
{
/*
char * pFileTemp = "mcnc_temp.genlib";
void * pLibGen;
FILE * pFile;
int i;
// write genlib into file
pFile = fopen( pFileTemp, "w" );
for ( i = 0; pMcncGenlib[i]; i++ )
fputs( pMcncGenlib[i], pFile );
fclose( pFile );
// read genlib from file
pLibGen = Mio_LibraryRead( pAbc, pFileTemp, NULL, 0 );
Abc_FrameSetLibGen( pLibGen );
pLibGen = Amap_LibReadAndPrepare( pFileTemp, 0, 0 );
Abc_FrameSetLibGen2( pLibGen );
#ifdef WIN32
_unlink( pFileTemp );
#else
unlink( pFileTemp );
#endif
*/
Cmd_CommandAdd( pAbc, "SC mapping", "read_liberty", Mio_CommandReadLiberty, 0 );
Cmd_CommandAdd( pAbc, "SC mapping", "read_library", Mio_CommandReadLibrary, 0 );
Cmd_CommandAdd( pAbc, "SC mapping", "print_library", Mio_CommandPrintLibrary, 0 );
Cmd_CommandAdd( pAbc, "SC mapping", "read_library2", Mio_CommandReadLibrary2, 0 );
Cmd_CommandAdd( pAbc, "SC mapping", "print_library2", Mio_CommandPrintLibrary2, 0 );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Mio_End( Abc_Frame_t * pAbc )
{
// Mio_LibraryDelete( s_pLib );
Mio_LibraryDelete( (Mio_Library_t *)Abc_FrameReadLibGen() );
Amap_LibFree( (Amap_Lib_t *)Abc_FrameReadLibGen2() );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Mio_CommandReadLiberty( Abc_Frame_t * pAbc, int argc, char **argv )
{
FILE * pFile;
FILE * pOut, * pErr;
Abc_Ntk_t * pNet;
char * FileName;
int fVerbose;
int c;
pNet = Abc_FrameReadNtk(pAbc);
pOut = Abc_FrameReadOut(pAbc);
pErr = Abc_FrameReadErr(pAbc);
// set the defaults
fVerbose = 0;
Extra_UtilGetoptReset();
while ( (c = Extra_UtilGetopt(argc, argv, "vh")) != EOF )
{
switch (c)
{
case 'v':
fVerbose ^= 1;
break;
case 'h':
goto usage;
break;
default:
goto usage;
}
}
if ( argc != globalUtilOptind + 1 )
{
goto usage;
}
// get the input file name
FileName = argv[globalUtilOptind];
if ( (pFile = Io_FileOpen( FileName, "open_path", "r", 0 )) == NULL )
{
fprintf( pErr, "Cannot open input file \"%s\". ", FileName );
if ( (FileName = Extra_FileGetSimilarName( FileName, ".genlib", ".lib", ".gen", ".g", NULL )) )
fprintf( pErr, "Did you mean \"%s\"?", FileName );
fprintf( pErr, "\n" );
return 1;
}
fclose( pFile );
if ( !Amap_LibertyParse( FileName, "temp.genlib", fVerbose ) )
return 0;
Cmd_CommandExecute( pAbc, "read_library temp.genlib" );
return 0;
usage:
fprintf( pErr, "usage: read_liberty [-vh]\n");
fprintf( pErr, "\t read standard cell library in Liberty format\n" );
fprintf( pErr, "\t (if the library contains more than one gate\n" );
fprintf( pErr, "\t with the same Boolean function, only the gate\n" );
fprintf( pErr, "\t with the smallest area will be used)\n" );
fprintf( pErr, "\t-v : toggle verbose printout [default = %s]\n", fVerbose? "yes": "no" );
fprintf( pErr, "\t-h : enable verbose output\n");
return 1; /* error exit */
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Mio_CommandReadLibrary( Abc_Frame_t * pAbc, int argc, char **argv )
{
FILE * pFile;
FILE * pOut, * pErr;
Mio_Library_t * pLib;
Abc_Ntk_t * pNet;
char * FileName;
int fVerbose;
double WireDelay;
int c;
pNet = Abc_FrameReadNtk(pAbc);
pOut = Abc_FrameReadOut(pAbc);
pErr = Abc_FrameReadErr(pAbc);
// set the defaults
WireDelay = 0.0;
fVerbose = 1;
Extra_UtilGetoptReset();
while ( (c = Extra_UtilGetopt(argc, argv, "Wvh")) != EOF )
{
switch (c)
{
case 'W':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-W\" should be followed by a floating point number.\n" );
goto usage;
}
WireDelay = (float)atof(argv[globalUtilOptind]);
globalUtilOptind++;
if ( WireDelay <= 0.0 )
goto usage;
break;
case 'v':
fVerbose ^= 1;
break;
case 'h':
goto usage;
break;
default:
goto usage;
}
}
if ( argc != globalUtilOptind + 1 )
{
goto usage;
}
// get the input file name
FileName = argv[globalUtilOptind];
if ( (pFile = Io_FileOpen( FileName, "open_path", "r", 0 )) == NULL )
{
fprintf( pErr, "Cannot open input file \"%s\". ", FileName );
if ( (FileName = Extra_FileGetSimilarName( FileName, ".genlib", ".lib", ".gen", ".g", NULL )) )
fprintf( pErr, "Did you mean \"%s\"?", FileName );
fprintf( pErr, "\n" );
return 1;
}
fclose( pFile );
// set the new network
pLib = Mio_LibraryRead( FileName, 0, fVerbose );
if ( pLib == NULL )
{
fprintf( pErr, "Reading GENLIB library has failed.\n" );
return 1;
}
// add the fixed number (wire delay) to all delays in the library
if ( WireDelay != 0.0 )
Mio_LibraryShiftDelay( pLib, WireDelay );
// free the current superlib because it depends on the old Mio library
if ( Abc_FrameReadLibSuper() )
{
Map_SuperLibFree( (Map_SuperLib_t *)Abc_FrameReadLibSuper() );
Abc_FrameSetLibSuper( NULL );
}
// replace the current library
Mio_LibraryDelete( (Mio_Library_t *)Abc_FrameReadLibGen() );
Abc_FrameSetLibGen( pLib );
// set the new network
pLib = (Mio_Library_t *)Amap_LibReadAndPrepare( FileName, 0, 0 );
if ( pLib == NULL )
{
fprintf( pErr, "Reading GENLIB library has failed.\n" );
return 1;
}
// replace the current library
Amap_LibFree( (Amap_Lib_t *)Abc_FrameReadLibGen2() );
Abc_FrameSetLibGen2( pLib );
return 0;
usage:
fprintf( pErr, "usage: read_library [-W float] [-vh]\n");
fprintf( pErr, "\t read the library from a genlib file\n" );
fprintf( pErr, "\t (if the library contains more than one gate\n" );
fprintf( pErr, "\t with the same Boolean function, only the gate\n" );
fprintf( pErr, "\t with the smallest area will be used)\n" );
Abc_Print( -2, "\t-W float : wire delay (added to pin-to-pin gate delays) [default = %g]\n", WireDelay );
fprintf( pErr, "\t-v : toggle verbose printout [default = %s]\n", fVerbose? "yes": "no" );
fprintf( pErr, "\t-h : enable verbose output\n");
return 1; /* error exit */
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Mio_CommandReadLibrary2( Abc_Frame_t * pAbc, int argc, char **argv )
{
FILE * pFile;
FILE * pOut, * pErr;
Mio_Library_t * pLib;
Abc_Ntk_t * pNet;
char * FileName;
int fVerbose;
int fVeryVerbose;
int c;
pNet = Abc_FrameReadNtk(pAbc);
pOut = Abc_FrameReadOut(pAbc);
pErr = Abc_FrameReadErr(pAbc);
// set the defaults
fVerbose = 1;
fVeryVerbose = 0;
Extra_UtilGetoptReset();
while ( (c = Extra_UtilGetopt(argc, argv, "vwh")) != EOF )
{
switch (c)
{
case 'v':
fVerbose ^= 1;
break;
case 'w':
fVeryVerbose ^= 1;
break;
case 'h':
goto usage;
break;
default:
goto usage;
}
}
if ( argc != globalUtilOptind + 1 )
{
goto usage;
}
// get the input file name
FileName = argv[globalUtilOptind];
if ( (pFile = Io_FileOpen( FileName, "open_path", "r", 0 )) == NULL )
{
fprintf( pErr, "Cannot open input file \"%s\". ", FileName );
if ( (FileName = Extra_FileGetSimilarName( FileName, ".genlib", ".lib", ".gen", ".g", NULL )) )
fprintf( pErr, "Did you mean \"%s\"?", FileName );
fprintf( pErr, "\n" );
return 1;
}
fclose( pFile );
// set the new network
pLib = (Mio_Library_t *)Amap_LibReadAndPrepare( FileName, fVerbose, fVeryVerbose );
if ( pLib == NULL )
{
fprintf( pErr, "Reading GENLIB library has failed.\n" );
return 1;
}
// replace the current library
Amap_LibFree( (Amap_Lib_t *)Abc_FrameReadLibGen2() );
Abc_FrameSetLibGen2( pLib );
return 0;
usage:
fprintf( pErr, "usage: read_library2 [-vh]\n");
fprintf( pErr, "\t read the library from a genlib file\n" );
fprintf( pErr, "\t (if the library contains more than one gate\n" );
fprintf( pErr, "\t with the same Boolean function, only the gate\n" );
fprintf( pErr, "\t with the smallest area will be used)\n" );
fprintf( pErr, "\t-v : toggle verbose printout [default = %s]\n", fVerbose? "yes": "no" );
fprintf( pErr, "\t-w : toggle detailed printout [default = %s]\n", fVeryVerbose? "yes": "no" );
fprintf( pErr, "\t-h : enable verbose output\n");
return 1; /* error exit */
}
/**Function*************************************************************
Synopsis [Command procedure to read LUT libraries.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Mio_CommandPrintLibrary( Abc_Frame_t * pAbc, int argc, char **argv )
{
FILE * pOut, * pErr, * pFile;
Abc_Ntk_t * pNet;
char * FileName;
int fVerbose;
int c;
pNet = Abc_FrameReadNtk(pAbc);
pOut = Abc_FrameReadOut(pAbc);
pErr = Abc_FrameReadErr(pAbc);
// set the defaults
fVerbose = 1;
Extra_UtilGetoptReset();
while ( (c = Extra_UtilGetopt(argc, argv, "vh")) != EOF )
{
switch (c)
{
case 'v':
fVerbose ^= 1;
break;
case 'h':
goto usage;
break;
default:
goto usage;
}
}
if ( Abc_FrameReadLibGen() == NULL )
{
printf( "Library is not available.\n" );
return 1;
}
FileName = argv[globalUtilOptind];
if ( argc == globalUtilOptind + 1 )
{
pFile = fopen( FileName, "w" );
if ( pFile == NULL )
{
printf( "Error! Cannot open file \"%s\" for writing the library.\n", FileName );
return 1;
}
Mio_WriteLibrary( pFile, (Mio_Library_t *)Abc_FrameReadLibGen(), 0 );
fclose( pFile );
printf( "The current GENLIB library is written into file \"%s\".\n", FileName );
}
else if ( argc == globalUtilOptind )
Mio_WriteLibrary( stdout, (Mio_Library_t *)Abc_FrameReadLibGen(), 0 );
else
goto usage;
return 0;
usage:
fprintf( pErr, "\nusage: print_library [-vh] <file>\n");
fprintf( pErr, "\t print the current genlib library\n" );
fprintf( pErr, "\t-v : toggles enabling of verbose output [default = %s]\n", fVerbose? "yes" : "no" );
fprintf( pErr, "\t-h : print the command usage\n");
fprintf( pErr, "\t<file> : optional file name to write the library\n");
return 1; /* error exit */
}
/**Function*************************************************************
Synopsis [Command procedure to read LUT libraries.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Mio_CommandPrintLibrary2( Abc_Frame_t * pAbc, int argc, char **argv )
{
FILE * pOut, * pErr;
Abc_Ntk_t * pNet;
int fPrintAll;
int fVerbose;
int c;
pNet = Abc_FrameReadNtk(pAbc);
pOut = Abc_FrameReadOut(pAbc);
pErr = Abc_FrameReadErr(pAbc);
// set the defaults
fPrintAll = 0;
fVerbose = 1;
Extra_UtilGetoptReset();
while ( (c = Extra_UtilGetopt(argc, argv, "avh")) != EOF )
{
switch (c)
{
case 'a':
fPrintAll ^= 1;
break;
case 'v':
fVerbose ^= 1;
break;
case 'h':
goto usage;
break;
default:
goto usage;
}
}
if ( argc != globalUtilOptind )
{
goto usage;
}
// set the new network
Amap_LibPrintSelectedGates( (Amap_Lib_t *)Abc_FrameReadLibGen2(), fPrintAll );
return 0;
usage:
fprintf( pErr, "\nusage: print_library2 [-avh]\n");
fprintf( pErr, "\t print gates used for area-oriented tech-mapping\n" );
fprintf( pErr, "\t-a : toggles printing all gates [default = %s]\n", (fPrintAll? "yes" : "no") );
fprintf( pErr, "\t-v : toggles enabling of verbose output [default = %s]\n", (fVerbose? "yes" : "no") );
fprintf( pErr, "\t-h : print the command usage\n");
return 1; /* error exit */
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
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