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

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This commit is contained in:
Alan Mishchenko
2012-08-29 00:48:36 -07:00
parent 5ff49be993
commit bebd7ee6cb
9 changed files with 640 additions and 241 deletions
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src/map/mio/mioRead.c
+17 -23
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@@ -526,6 +526,16 @@ void Mio_LibrarySortGates( Mio_Library_t * pLib )
SeeAlso []
***********************************************************************/
static inline Mio_Gate_t * Mio_GateCompare( Mio_Gate_t * pThis, Mio_Gate_t * pNew, word uTruth )
{
if ( pNew->uTruth != uTruth )
return pThis;
if ( pThis == NULL )
return pNew;
if ( pThis->dArea > pNew->dArea || (pThis->dArea == pNew->dArea && strcmp(pThis->pName, pNew->pName) > 0) )
return pNew;
return pThis;
}
void Mio_LibraryDetectSpecialGates( Mio_Library_t * pLib )
{
Mio_Gate_t * pGate;
@@ -538,45 +548,29 @@ void Mio_LibraryDetectSpecialGates( Mio_Library_t * pLib )
uFuncInv = ~uFuncBuf;
uFuncNand2 = ~uFuncAnd2;
// get buffer
// get smallest-area buffer
Mio_LibraryForEachGate( pLib, pGate )
if ( pLib->pGateBuf == NULL && pGate->uTruth == uFuncBuf )
{
pLib->pGateBuf = pGate;
break;
}
pLib->pGateBuf = Mio_GateCompare( pLib->pGateBuf, pGate, uFuncBuf );
if ( pLib->pGateBuf == NULL )
{
printf( "Warnings: GENLIB library reader cannot detect the buffer gate.\n" );
printf( "Some parts of the supergate-based technology mapper may not work correctly.\n" );
}
// get inverter
// get smallest-area inverter
Mio_LibraryForEachGate( pLib, pGate )
if ( pLib->pGateInv == NULL && pGate->uTruth == uFuncInv )
{
pLib->pGateInv = pGate;
break;
}
pLib->pGateInv = Mio_GateCompare( pLib->pGateInv, pGate, uFuncInv );
if ( pLib->pGateInv == NULL )
{
printf( "Warnings: GENLIB library reader cannot detect the invertor gate.\n" );
printf( "Some parts of the supergate-based technology mapper may not work correctly.\n" );
}
// get the NAND2 and AND2 gates
// get smallest-area NAND2/AND2 gates
Mio_LibraryForEachGate( pLib, pGate )
if ( pLib->pGateNand2 == NULL && pGate->uTruth == uFuncNand2 )
{
pLib->pGateNand2 = pGate;
break;
}
pLib->pGateNand2 = Mio_GateCompare( pLib->pGateNand2, pGate, uFuncNand2 );
Mio_LibraryForEachGate( pLib, pGate )
if ( pLib->pGateAnd2 == NULL && pGate->uTruth == uFuncAnd2 )
{
pLib->pGateAnd2 = pGate;
break;
}
pLib->pGateAnd2 = Mio_GateCompare( pLib->pGateAnd2, pGate, uFuncAnd2 );
if ( pLib->pGateAnd2 == NULL && pLib->pGateNand2 == NULL )
{
printf( "Warnings: GENLIB library reader cannot detect the AND2 or NAND2 gate.\n" );