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Commit 416cc3b2 by Alan Mishchenko
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Outputting initial state in Wlc_Ntk_t.

parent 3dd4e356
Showing with 70 additions and 19 deletions
src/base/wlc/wlc.h
......@@ -120,7 +120,7 @@ struct Wlc_Ntk_t_
Vec_Int_t vCis; // combinational inputs
Vec_Int_t vCos; // combinational outputs
Vec_Int_t vFfs; // flops
Vec_Int_t vInits; // initial values
Vec_Int_t * vInits; // initial values
char * pInits; // initial values
int nObjs[WLC_OBJ_NUMBER]; // counter of objects of each type
int nAnds[WLC_OBJ_NUMBER]; // counter of AND gates after blasting
......
src/base/wlc/wlcNtk.c
......@@ -206,7 +206,7 @@ void Wlc_NtkFree( Wlc_Ntk_t * p )
ABC_FREE( p->vCis.pArray );
ABC_FREE( p->vCos.pArray );
ABC_FREE( p->vFfs.pArray );
ABC_FREE( p->vInits.pArray );
Vec_IntFreeP( &p->vInits );
ABC_FREE( p->vTravIds.pArray );
ABC_FREE( p->vNameIds.pArray );
ABC_FREE( p->vCopies.pArray );
......@@ -471,6 +471,7 @@ Wlc_Ntk_t * Wlc_NtkDupDfs( Wlc_Ntk_t * p )
Wlc_NtkDupDfs_rec( pNew, p, Wlc_ObjId(p, pObj), vFanins );
Wlc_NtkForEachCo( p, pObj, i )
Wlc_ObjSetCo( pNew, Wlc_ObjCopyObj(pNew, p, pObj), pObj->fIsFi );
pNew->vInits = Vec_IntDup( p->vInits );
pNew->pInits = Abc_UtilStrsav( p->pInits );
Vec_IntFree( vFanins );
return pNew;
......
src/base/wlc/wlcReadVer.c
......@@ -419,7 +419,7 @@ char * Wlc_PrsConvertInitValues( Wlc_Ntk_t * p )
int i, k, Value, * pInits;
char * pResult;
Vec_Str_t * vStr = Vec_StrAlloc( 1000 );
Vec_IntForEachEntry( &p->vInits, Value, i )
Vec_IntForEachEntry( p->vInits, Value, i )
{
if ( Value < 0 )
{
......@@ -428,11 +428,17 @@ char * Wlc_PrsConvertInitValues( Wlc_Ntk_t * p )
continue;
}
pObj = Wlc_NtkObj( p, Value );
Value = Wlc_ObjRange(pObj);
while ( pObj->Type == WLC_OBJ_BUF )
pObj = Wlc_NtkObj( p, Wlc_ObjFaninId0(pObj) );
pInits = pObj->Type == WLC_OBJ_CONST ? Wlc_ObjConstValue(pObj) : NULL;
for ( k = 0; k < Wlc_ObjRange(pObj); k++ )
for ( k = 0; k < Abc_MinInt(Value, Wlc_ObjRange(pObj)); k++ )
Vec_StrPush( vStr, (char)(pInits ? '0' + Abc_InfoHasBit((unsigned *)pInits, k) : 'X') );
// extend values with zero, in case the init value signal has different range compared to constant used
for ( ; k < Value; k++ )
Vec_StrPush( vStr, '0' );
// update vInits to contain either number of values or PI index
Vec_IntWriteEntry( p->vInits, i, pInits ? -Value : Wlc_ObjCiId(pObj) );
}
Vec_StrPush( vStr, '\0' );
pResult = Vec_StrReleaseArray( vStr );
......@@ -918,7 +924,7 @@ startword:
Vec_IntFree( vTemp );
// move FO/FI to be part of CI/CO
assert( (Vec_IntSize(&p->pNtk->vFfs) & 1) == 0 );
assert( Vec_IntSize(&p->pNtk->vFfs) == 2 * Vec_IntSize(&p->pNtk->vInits) );
assert( Vec_IntSize(&p->pNtk->vFfs) == 2 * Vec_IntSize(p->pNtk->vInits) );
Wlc_NtkForEachFf( p->pNtk, pObj, i )
if ( i & 1 )
Wlc_ObjSetCo( p->pNtk, pObj, 1 );
......@@ -1071,7 +1077,7 @@ startword:
}
else if ( Wlc_PrsStrCmp( pStart, "CPL_FF" ) )
{
int NameId = -1, NameIdIn = -1, NameIdOut = -1, fFound, nBits = 1, fFlopOut, fFlopIn;
int NameId = -1, NameIdIn = -1, NameIdOut = -1, fFound, nBits = 1, fFlopIn, fFlopOut;
pStart += strlen("CPL_FF");
if ( pStart[0] == '#' )
nBits = atoi(pStart+1);
......@@ -1084,18 +1090,18 @@ startword:
pStart = Wlc_PrsSkipSpaces( pStart+1 );
if ( pStart[0] != 'd' && (pStart[0] != 'q' || pStart[1] == 'b') && strncmp(pStart, "arstval", 7) )
continue;
fFlopIn = (pStart[0] == 'q');
fFlopOut = (pStart[0] == 'd');
fFlopIn = (pStart[0] == 'd');
fFlopOut = (pStart[0] == 'q');
pStart = Wlc_PrsFindSymbol( pStart, '(' );
if ( pStart == NULL )
return Wlc_PrsWriteErrorMessage( p, pStart, "Cannot read opening paranthesis in the flop description." );
pStart = Wlc_PrsFindName( pStart+1, &pName );
if ( pStart == NULL )
return Wlc_PrsWriteErrorMessage( p, pStart, "Cannot read name inside flop description." );
if ( fFlopOut )
NameIdOut = Abc_NamStrFindOrAdd( p->pNtk->pManName, pName, &fFound );
else if ( fFlopIn )
if ( fFlopIn )
NameIdIn = Abc_NamStrFindOrAdd( p->pNtk->pManName, pName, &fFound );
else if ( fFlopOut )
NameIdOut = Abc_NamStrFindOrAdd( p->pNtk->pManName, pName, &fFound );
else
NameId = Abc_NamStrFindOrAdd( p->pNtk->pManName, pName, &fFound );
if ( !fFound )
......@@ -1104,18 +1110,28 @@ startword:
if ( NameIdIn == -1 || NameIdOut == -1 )
return Wlc_PrsWriteErrorMessage( p, pStart, "Name of flop input or flop output is missing." );
// create flop output
pObj = Wlc_NtkObj( p->pNtk, NameIdIn );
pObj = Wlc_NtkObj( p->pNtk, NameIdOut );
Wlc_ObjUpdateType( p->pNtk, pObj, WLC_OBJ_FO );
Vec_IntPush( &p->pNtk->vFfs, NameIdIn );
Vec_IntPush( &p->pNtk->vFfs, NameIdOut );
if ( nBits != Wlc_ObjRange(pObj) )
printf( "Warning! Flop input has bit-width (%d) that differs from the declaration (%d)\n", nBits, Wlc_ObjRange(pObj) );
printf( "Warning! Flop input has bit-width (%d) that differs from the flop declaration (%d)\n", Wlc_ObjRange(pObj), nBits );
// create flop input
pObj = Wlc_NtkObj( p->pNtk, NameIdOut );
Vec_IntPush( &p->pNtk->vFfs, NameIdOut );
pObj = Wlc_NtkObj( p->pNtk, NameIdIn );
Vec_IntPush( &p->pNtk->vFfs, NameIdIn );
if ( nBits != Wlc_ObjRange(pObj) )
printf( "Warning! Flop output has bit-width (%d) that differs from the declaration (%d)\n", nBits, Wlc_ObjRange(pObj) );
printf( "Warning! Flop output has bit-width (%d) that differs from the flop declaration (%d)\n", Wlc_ObjRange(pObj), nBits );
// save flop init value
Vec_IntPush( &p->pNtk->vInits, NameId > 0 ? NameId : -Wlc_ObjRange(pObj) );
if ( NameId == -1 )
printf( "Initial value of flop \"%s\" is not specified. Zero is assumed.\n", Abc_NamStr(p->pNtk->pManName, NameIdOut) );
else
{
pObj = Wlc_NtkObj( p->pNtk, NameId );
if ( nBits != Wlc_ObjRange(pObj) )
printf( "Warning! Flop init signal bit-width (%d) is different from the flop declaration (%d)\n", Wlc_ObjRange(pObj), nBits );
}
if ( p->pNtk->vInits == NULL )
p->pNtk->vInits = Vec_IntAlloc( 100 );
Vec_IntPush( p->pNtk->vInits, NameId > 0 ? NameId : -nBits );
}
else if ( pStart[0] != '`' )
{
......
src/base/wlc/wlcWriteVer.c
......@@ -339,16 +339,50 @@ void Wlc_WriteVerInt( FILE * pFile, Wlc_Ntk_t * p )
fprintf( pFile, " " );
fprintf( pFile, "CPL_FF" );
if ( Wlc_ObjRange(pObj) > 1 )
fprintf( pFile, "#%d", Wlc_ObjRange(pObj) );
fprintf( pFile, "#%d%*s", Wlc_ObjRange(pObj), 4 - Abc_Base10Log(Wlc_ObjRange(pObj)+1), "" );
else
fprintf( pFile, " " );
fprintf( pFile, " reg%d (", i );
fprintf( pFile, " .q( %s ),", pName );
fprintf( pFile, " .qbar()," );
fprintf( pFile, " .d( %s ),", Wlc_ObjName(p, Wlc_ObjId(p, Wlc_ObjFoToFi(p, pObj))) );
fprintf( pFile, " .clk( %s ),", "1\'b0" );
fprintf( pFile, " .arst( %s ),", "1\'b0" );
if ( p->vInits )
fprintf( pFile, " .arstval( %s_init )", pName );
else
fprintf( pFile, " .arstval( %s )", "1\'b0" );
fprintf( pFile, " ) ;\n" );
}
iFanin = 0;
assert( !p->vInits || Wlc_NtkFfNum(p) == Vec_IntSize(p->vInits) );
if ( p->vInits )
Wlc_NtkForEachCi( p, pObj, i )
{
int nDigits = Abc_Base10Log(pObj->End+1) + 1;
char * pName = Wlc_ObjName(p, Wlc_ObjId(p, pObj));
assert( i == Wlc_ObjCiId(pObj) );
if ( pObj->Type == WLC_OBJ_PI )
continue;
sprintf( Range, " [%d:%d]%*s", Wlc_ObjRange(pObj) - 1, 0, 8-nDigits, "" );
fprintf( pFile, " " );
fprintf( pFile, "wire %s ", Range );
fprintf( pFile, "%s_init%*s = ", pName, 11 - strlen(pName), "" );
if ( Vec_IntEntry(p->vInits, i-Wlc_NtkPiNum(p)) > 0 )
fprintf( pFile, "%s", Wlc_ObjName(p, Wlc_ObjId(p, Wlc_NtkPi(p, Vec_IntEntry(p->vInits, i-Wlc_NtkPiNum(p))))));
else
{
fprintf( pFile, "%d\'b", Wlc_ObjRange(pObj) );
for ( k = 0; k < Wlc_ObjRange(pObj); k++ )
fprintf( pFile, "%c", p->pInits[iFanin + k] );
}
fprintf( pFile, ";\n" );
iFanin += Wlc_ObjRange(pObj);
//printf( "%d %d %s\n", iFanin, Wlc_ObjRange(pObj), Wlc_ObjName(p, Wlc_ObjId(p, pObj)) );
}
k = (int)strlen(p->pInits);
//assert( !p->vInits || iFanin == (int)strlen(p->pInits) );
fprintf( pFile, "endmodule\n\n" );
}
void Wlc_WriteVer( Wlc_Ntk_t * p, char * pFileName )
......
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