/**Function*************************************************************
Synopsis [Frees the data structure.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Io_ReadBlifFree( Io_ReadBlif_t * p )
{
Extra_FileReaderFree( p->pReader );
Vec_PtrFree( p->vNewTokens );
Vec_StrFree( p->vCubes );
ABC_FREE( p );
}
/**Function*************************************************************
Synopsis [Deletes AIG.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Cec_ManPatStop( Cec_ManPat_t * p )
{
Vec_StrFree( p->vStorage );
Vec_IntFree( p->vPattern1 );
Vec_IntFree( p->vPattern2 );
ABC_FREE( p );
}
SC_Lib * Abc_SclReadFromFile( char * pFileName )
{
SC_Lib * p;
FILE * pFile;
Vec_Str_t * vOut;
int nFileSize;
pFile = fopen( pFileName, "rb" );
if ( pFile == NULL )
{
printf( "Cannot open file \"%s\" for reading.\n", pFileName );
return NULL;
}
// get the file size, in bytes
fseek( pFile, 0, SEEK_END );
nFileSize = ftell( pFile );
rewind( pFile );
// load the contents
vOut = Vec_StrAlloc( nFileSize );
vOut->nSize = vOut->nCap;
assert( nFileSize == Vec_StrSize(vOut) );
nFileSize = fread( Vec_StrArray(vOut), 1, Vec_StrSize(vOut), pFile );
assert( nFileSize == Vec_StrSize(vOut) );
fclose( pFile );
// read the library
p = Abc_SclReadFromStr( vOut );
p->pFileName = Abc_UtilStrsav( pFileName );
Abc_SclLibNormalize( p );
Vec_StrFree( vOut );
return p;
}
SC_Lib * Abc_SclRead( char * pFileName )
{
SC_Lib * p;
FILE * pFile;
Vec_Str_t * vOut;
int nFileSize, Pos = 0;
pFile = fopen( pFileName, "rb" );
if ( pFile == NULL )
{
printf( "Cannot open file \"%s\" for reading.\n", pFileName );
return NULL;
}
// get the file size, in bytes
fseek( pFile, 0, SEEK_END );
nFileSize = ftell( pFile );
rewind( pFile );
// load the contents
vOut = Vec_StrAlloc( nFileSize );
vOut->nSize = vOut->nCap;
assert( nFileSize == Vec_StrSize(vOut) );
nFileSize = fread( Vec_StrArray(vOut), 1, Vec_StrSize(vOut), pFile );
assert( nFileSize == Vec_StrSize(vOut) );
fclose( pFile );
// read the library
p = Abc_SclLibAlloc();
Abc_SclReadLibrary( vOut, &Pos, p );
assert( Pos == Vec_StrSize(vOut) );
Vec_StrFree( vOut );
// hash gates by name
Abc_SclHashCells( p );
Abc_SclLinkCells( p );
return p;
}
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Mio_LibraryDelete( Mio_Library_t * pLib )
{
Mio_Gate_t * pGate, * pGate2;
if ( pLib == NULL )
return;
// free the bindings of nodes to gates from this library for all networks
Abc_FrameUnmapAllNetworks( Abc_FrameGetGlobalFrame() );
// free the library
ABC_FREE( pLib->pName );
Mio_LibraryForEachGateSafe( pLib, pGate, pGate2 )
Mio_GateDelete( pGate );
Mem_FlexStop( pLib->pMmFlex, 0 );
Vec_StrFree( pLib->vCube );
if ( pLib->tName2Gate )
st__free_table( pLib->tName2Gate );
// if ( pLib->dd )
// Cudd_Quit( pLib->dd );
ABC_FREE( pLib->ppGates0 );
ABC_FREE( pLib->ppGatesName );
ABC_FREE( pLib );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Io_ReadBenchNetwork( Extra_FileReader_t * p )
{
ProgressBar * pProgress;
Vec_Ptr_t * vTokens;
Abc_Ntk_t * pNtk;
Abc_Obj_t * pNode, * pNet;
Vec_Str_t * vString;
unsigned uTruth[8];
char * pType, ** ppNames, * pString;
int iLine, nNames, nDigits, fLutsPresent = 0;
// allocate the empty network
pNtk = Abc_NtkStartRead( Extra_FileReaderGetFileName(p) );
// go through the lines of the file
vString = Vec_StrAlloc( 100 );
pProgress = Extra_ProgressBarStart( stdout, Extra_FileReaderGetFileSize(p) );
for ( iLine = 0; (vTokens = (Vec_Ptr_t *)Extra_FileReaderGetTokens(p)); iLine++ )
{
Extra_ProgressBarUpdate( pProgress, Extra_FileReaderGetCurPosition(p), NULL );
if ( vTokens->nSize == 1 )
{
printf( "%s: Wrong input file format.\n", Extra_FileReaderGetFileName(p) );
Vec_StrFree( vString );
Abc_NtkDelete( pNtk );
return NULL;
}
// get the type of the line
if ( strncmp( (char *)vTokens->pArray[0], "INPUT", 5 ) == 0 )
Io_ReadCreatePi( pNtk, (char *)vTokens->pArray[1] );
else if ( strncmp( (char *)vTokens->pArray[0], "OUTPUT", 5 ) == 0 )
Io_ReadCreatePo( pNtk, (char *)vTokens->pArray[1] );
else
{
// get the node name and the node type
pType = (char *)vTokens->pArray[1];
if ( strncmp(pType, "DFF", 3) == 0 ) // works for both DFF and DFFRSE
{
pNode = Io_ReadCreateLatch( pNtk, (char *)vTokens->pArray[2], (char *)vTokens->pArray[0] );
// Abc_LatchSetInit0( pNode );
if ( pType[3] == '0' )
Abc_LatchSetInit0( pNode );
else if ( pType[3] == '1' )
Abc_LatchSetInit1( pNode );
else
Abc_LatchSetInitDc( pNode );
}
else if ( strcmp(pType, "LUT") == 0 )
{
fLutsPresent = 1;
ppNames = (char **)vTokens->pArray + 3;
nNames = vTokens->nSize - 3;
// check the number of inputs
if ( nNames > 8 )
{
printf( "%s: Currently cannot read truth tables with more than 8 inputs (%d).\n", Extra_FileReaderGetFileName(p), nNames );
Vec_StrFree( vString );
Abc_NtkDelete( pNtk );
return NULL;
}
// get the hex string
pString = (char *)vTokens->pArray[2];
if ( strncmp( pString, "0x", 2 ) )
{
printf( "%s: The LUT signature (%s) does not look like a hexadecimal beginning with \"0x\".\n", Extra_FileReaderGetFileName(p), pString );
Vec_StrFree( vString );
Abc_NtkDelete( pNtk );
return NULL;
}
pString += 2;
// pad the string with zero's if needed
nDigits = (1 << nNames) / 4;
if ( nDigits == 0 )
nDigits = 1;
if ( strlen(pString) < (unsigned)nDigits )
{
Vec_StrFill( vString, nDigits - strlen(pString), '0' );
Vec_StrPrintStr( vString, pString );
Vec_StrPush( vString, 0 );
pString = Vec_StrArray( vString );
}
// read the hex number from the string
if ( !Extra_ReadHexadecimal( uTruth, pString, nNames ) )
{
printf( "%s: Reading hexadecimal number (%s) has failed.\n", Extra_FileReaderGetFileName(p), pString );
Vec_StrFree( vString );
Abc_NtkDelete( pNtk );
return NULL;
}
// check if the node is a constant node
if ( Extra_TruthIsConst0(uTruth, nNames) )
{
pNode = Io_ReadCreateNode( pNtk, (char *)vTokens->pArray[0], ppNames, 0 );
Abc_ObjSetData( pNode, Abc_SopRegister( (Mem_Flex_t *)pNtk->pManFunc, " 0\n" ) );
}
else if ( Extra_TruthIsConst1(uTruth, nNames) )
{
pNode = Io_ReadCreateNode( pNtk, (char *)vTokens->pArray[0], ppNames, 0 );
Abc_ObjSetData( pNode, Abc_SopRegister( (Mem_Flex_t *)pNtk->pManFunc, " 1\n" ) );
}
else
{
// create the node
pNode = Io_ReadCreateNode( pNtk, (char *)vTokens->pArray[0], ppNames, nNames );
assert( nNames > 0 );
if ( nNames > 1 )
Abc_ObjSetData( pNode, Abc_SopCreateFromTruth((Mem_Flex_t *)pNtk->pManFunc, nNames, uTruth) );
else if ( pString[0] == '2' )
Abc_ObjSetData( pNode, Abc_SopCreateBuf((Mem_Flex_t *)pNtk->pManFunc) );
else if ( pString[0] == '1' )
Abc_ObjSetData( pNode, Abc_SopCreateInv((Mem_Flex_t *)pNtk->pManFunc) );
else
{
printf( "%s: Reading truth table (%s) of single-input node has failed.\n", Extra_FileReaderGetFileName(p), pString );
Vec_StrFree( vString );
Abc_NtkDelete( pNtk );
return NULL;
}
}
}
else
{
// create a new node and add it to the network
ppNames = (char **)vTokens->pArray + 2;
nNames = vTokens->nSize - 2;
pNode = Io_ReadCreateNode( pNtk, (char *)vTokens->pArray[0], ppNames, nNames );
// assign the cover
if ( strcmp(pType, "AND") == 0 )
Abc_ObjSetData( pNode, Abc_SopCreateAnd((Mem_Flex_t *)pNtk->pManFunc, nNames, NULL) );
else if ( strcmp(pType, "OR") == 0 )
Abc_ObjSetData( pNode, Abc_SopCreateOr((Mem_Flex_t *)pNtk->pManFunc, nNames, NULL) );
else if ( strcmp(pType, "NAND") == 0 )
Abc_ObjSetData( pNode, Abc_SopCreateNand((Mem_Flex_t *)pNtk->pManFunc, nNames) );
else if ( strcmp(pType, "NOR") == 0 )
Abc_ObjSetData( pNode, Abc_SopCreateNor((Mem_Flex_t *)pNtk->pManFunc, nNames) );
else if ( strcmp(pType, "XOR") == 0 )
Abc_ObjSetData( pNode, Abc_SopCreateXor((Mem_Flex_t *)pNtk->pManFunc, nNames) );
else if ( strcmp(pType, "NXOR") == 0 || strcmp(pType, "XNOR") == 0 )
Abc_ObjSetData( pNode, Abc_SopCreateNxor((Mem_Flex_t *)pNtk->pManFunc, nNames) );
else if ( strncmp(pType, "BUF", 3) == 0 )
Abc_ObjSetData( pNode, Abc_SopCreateBuf((Mem_Flex_t *)pNtk->pManFunc) );
else if ( strcmp(pType, "NOT") == 0 )
Abc_ObjSetData( pNode, Abc_SopCreateInv((Mem_Flex_t *)pNtk->pManFunc) );
else if ( strncmp(pType, "MUX", 3) == 0 )
// Abc_ObjSetData( pNode, Abc_SopRegister(pNtk->pManFunc, "1-0 1\n-11 1\n") );
Abc_ObjSetData( pNode, Abc_SopRegister((Mem_Flex_t *)pNtk->pManFunc, "0-1 1\n11- 1\n") );
else if ( strncmp(pType, "gnd", 3) == 0 )
Abc_ObjSetData( pNode, Abc_SopRegister( (Mem_Flex_t *)pNtk->pManFunc, " 0\n" ) );
else if ( strncmp(pType, "vdd", 3) == 0 )
Abc_ObjSetData( pNode, Abc_SopRegister( (Mem_Flex_t *)pNtk->pManFunc, " 1\n" ) );
else
{
printf( "Io_ReadBenchNetwork(): Cannot determine gate type \"%s\" in line %d.\n", pType, Extra_FileReaderGetLineNumber(p, 0) );
Vec_StrFree( vString );
Abc_NtkDelete( pNtk );
return NULL;
}
}
}
}
Extra_ProgressBarStop( pProgress );
Vec_StrFree( vString );
// check if constant 0 is present
if ( (pNet = Abc_NtkFindNet( pNtk, "gnd" )) )
{
if ( Abc_ObjFaninNum(pNet) == 0 )
Io_ReadCreateConst( pNtk, "gnd", 0 );
}
if ( (pNet = Abc_NtkFindNet( pNtk, "1" )) )
{
if ( Abc_ObjFaninNum(pNet) == 0 )
{
printf( "Io_ReadBenchNetwork(): Adding constant 0 fanin to non-driven net \"1\".\n" );
Io_ReadCreateConst( pNtk, "1", 0 );
}
}
// check if constant 1 is present
if ( (pNet = Abc_NtkFindNet( pNtk, "vdd" )) )
{
if ( Abc_ObjFaninNum(pNet) == 0 )
Io_ReadCreateConst( pNtk, "vdd", 1 );
}
if ( (pNet = Abc_NtkFindNet( pNtk, "2" )) )
{
if ( Abc_ObjFaninNum(pNet) == 0 )
{
printf( "Io_ReadBenchNetwork(): Adding constant 1 fanin to non-driven net \"2\".\n" );
Io_ReadCreateConst( pNtk, "2", 1 );
}
}
Abc_NtkFinalizeRead( pNtk );
// if LUTs are present, collapse the truth tables into cubes
if ( fLutsPresent )
{
if ( !Abc_NtkToBdd(pNtk) )
{
printf( "Io_ReadBenchNetwork(): Converting to BDD has failed.\n" );
Abc_NtkDelete( pNtk );
return NULL;
}
if ( !Abc_NtkToSop(pNtk, 0) )
{
printf( "Io_ReadBenchNetwork(): Converting to SOP has failed.\n" );
Abc_NtkDelete( pNtk );
return NULL;
}
}
return pNtk;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Mio_CommandReadLiberty( Abc_Frame_t * pAbc, int argc, char **argv )
{
int fUseFileInterface = 0;
char Command[1000];
FILE * pFile;
FILE * pOut, * pErr;
char * pFileName;
int fVerbose;
int c;
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
pFileName = argv[globalUtilOptind];
if ( (pFile = Io_FileOpen( pFileName, "open_path", "r", 0 )) == NULL )
{
fprintf( pErr, "Cannot open input file \"%s\". ", pFileName );
if ( (pFileName = Extra_FileGetSimilarName( pFileName, ".genlib", ".lib", ".scl", ".g", NULL )) )
fprintf( pErr, "Did you mean \"%s\"?", pFileName );
fprintf( pErr, "\n" );
return 1;
}
fclose( pFile );
if ( fUseFileInterface )
{
if ( !Amap_LibertyParse( pFileName, fVerbose ) )
return 0;
assert( strlen(pFileName) < 900 );
sprintf( Command, "read_genlib %s", Extra_FileNameGenericAppend(pFileName, ".genlib") );
Cmd_CommandExecute( pAbc, Command );
}
else
{
Vec_Str_t * vStr, * vStr2;
int RetValue;
vStr = Amap_LibertyParseStr( pFileName, fVerbose );
if ( vStr == NULL )
return 0;
vStr2 = Vec_StrDup(vStr);
RetValue = Mio_UpdateGenlib2( vStr, vStr2, pFileName, fVerbose );
Vec_StrFree( vStr );
Vec_StrFree( vStr2 );
if ( !RetValue )
printf( "Reading library has filed.\n" );
}
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;
}
