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/**CFile****************************************************************
FileName [ifLibBox.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [FPGA mapping based on priority cuts.]
Synopsis [Box library.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - November 21, 2006.]
Revision [$Id: ifLibBox.c,v 1.00 2006/11/21 00:00:00 alanmi Exp $]
***********************************************************************/
#include "if.h"
#include "misc/extra/extra.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
#define If_LibBoxForEachBox( p, pBox, i ) \
Vec_PtrForEachEntry( If_Box_t *, p->vBoxes, pBox, i ) if ( pBox == NULL ) {} else
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
If_Box_t * If_BoxStart( char * pName, int Id, int fWhite, int nPis, int nPos )
{
If_Box_t * p;
p = ABC_CALLOC( If_Box_t, 1 );
p->pName = pName; // consumes memory
p->Id = Id;
p->fWhite = fWhite;
p->nPis = nPis;
p->nPos = nPos;
p->pDelays = ABC_CALLOC( int, nPis * nPos );
return p;
}
If_Box_t * If_BoxDup( If_Box_t * p )
{
If_Box_t * pNew = NULL;
return pNew;
}
void If_BoxFree( If_Box_t * p )
{
ABC_FREE( p->pDelays );
ABC_FREE( p->pName );
ABC_FREE( p );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
If_LibBox_t * If_LibBoxStart()
{
If_LibBox_t * p;
p = ABC_CALLOC( If_LibBox_t, 1 );
p->vBoxes = Vec_PtrAlloc( 100 );
return p;
}
If_LibBox_t * If_LibBoxDup( If_Box_t * p )
{
If_LibBox_t * pNew = NULL;
return pNew;
}
void If_LibBoxFree( If_LibBox_t * p )
{
If_Box_t * pBox;
int i;
if ( p == NULL )
return;
If_LibBoxForEachBox( p, pBox, i )
If_BoxFree( pBox );
Vec_PtrFree( p->vBoxes );
ABC_FREE( p );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
If_Box_t * If_LibBoxReadBox( If_LibBox_t * p, int Id )
{
return (If_Box_t *)Vec_PtrEntry( p->vBoxes, Id );
}
void If_LibBoxAdd( If_LibBox_t * p, If_Box_t * pBox )
{
if ( pBox->Id >= Vec_PtrSize(p->vBoxes) )
Vec_PtrFillExtra( p->vBoxes, 2 * pBox->Id + 10, NULL );
assert( Vec_PtrEntry( p->vBoxes, pBox->Id ) == NULL );
Vec_PtrWriteEntry( p->vBoxes, pBox->Id, pBox );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
char * If_LibBoxGetToken( FILE * pFile )
{
static char pBuffer[1000];
char c, * pTemp = pBuffer;
while ( (c = fgetc(pFile)) != EOF )
{
if ( c == '#' )
{
while ( (c = fgetc(pFile)) != EOF )
if ( c == '\n' )
break;
}
if ( c == ' ' || c == '\t' || c == '\n' || c == '\r' )
{
if ( pTemp > pBuffer )
break;
continue;
}
*pTemp++ = c;
}
*pTemp = 0;
return pTemp > pBuffer ? pBuffer : NULL;
}
If_LibBox_t * If_LibBoxRead( char * pFileName )
{
FILE * pFile;
If_LibBox_t * p;
If_Box_t * pBox;
char * pToken;
char * pName;
int i, Id, fWhite, nPis, nPos;
pFile = fopen( pFileName, "rb" );
if ( pFile == NULL )
{
printf( "Cannot open file \"%s\".\n", pFileName );
return NULL;
}
// get the library name
pToken = If_LibBoxGetToken( pFile );
if ( pToken == NULL )
{
printf( "Cannot read library name from file \"%s\".\n", pFileName );
return NULL;
}
// create library
p = If_LibBoxStart();
while ( pToken )
{
// save name
pName = Abc_UtilStrsav(pToken);
// save ID
pToken = If_LibBoxGetToken( pFile );
Id = atoi( pToken );
// save white/black
pToken = If_LibBoxGetToken( pFile );
fWhite = atoi( pToken );
// save PIs
pToken = If_LibBoxGetToken( pFile );
nPis = atoi( pToken );
// save POs
pToken = If_LibBoxGetToken( pFile );
nPos = atoi( pToken );
// create box
pBox = If_BoxStart( pName, Id, fWhite, nPis, nPos );
If_LibBoxAdd( p, pBox );
// read the table
for ( i = 0; i < nPis * nPos; i++ )
{
pToken = If_LibBoxGetToken( pFile );
pBox->pDelays[i] = (pToken[0] == '-') ? -1 : atoi(pToken);
}
// extract next name
pToken = If_LibBoxGetToken( pFile );
}
fclose( pFile );
return p;
}
void If_LibBoxPrint( FILE * pFile, If_LibBox_t * p )
{
If_Box_t * pBox;
int i, j, k;
fprintf( pFile, "# Box library written by ABC on %s.\n", Extra_TimeStamp() );
fprintf( pFile, "# <Name> <ID> <Type> <I> <O>\n" );
If_LibBoxForEachBox( p, pBox, i )
{
fprintf( pFile, "%s %d %d %d %d\n", pBox->pName, pBox->Id, pBox->fWhite, pBox->nPis, pBox->nPos );
for ( j = 0; j < pBox->nPos; j++, printf("\n") )
for ( k = 0; k < pBox->nPis; k++ )
if ( pBox->pDelays[j * pBox->nPis + k] == -1 )
fprintf( pFile, " - " );
else
fprintf( pFile, "%5d ", pBox->pDelays[j * pBox->nPis + k] );
}
}
void If_LibBoxWrite( char * pFileName, If_LibBox_t * p )
{
FILE * pFile;
pFile = fopen( pFileName, "wb" );
if ( pFile == NULL )
{
printf( "Cannot open file \"%s\".\n", pFileName );
return;
}
If_LibBoxPrint( pFile, p );
fclose( pFile );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
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