/**CFile**************************************************************** FileName [mainFrame.c] SystemName [ABC: Logic synthesis and verification system.] PackageName [The main package.] Synopsis [The global framework resides in this file.] Author [Alan Mishchenko] Affiliation [UC Berkeley] Date [Ver. 1.0. Started - June 20, 2005.] Revision [$Id: mainFrame.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $] ***********************************************************************/ #include "mainInt.h" #include "abc.h" #include "dec.h" //////////////////////////////////////////////////////////////////////// /// DECLARATIONS /// //////////////////////////////////////////////////////////////////////// static Abc_Frame_t * s_GlobalFrame = NULL; //////////////////////////////////////////////////////////////////////// /// FUNCTION DEFITIONS /// //////////////////////////////////////////////////////////////////////// /**Function************************************************************* Synopsis [APIs to access parameters in the flobal frame.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Abc_Ntk_t * Abc_FrameReadNtkStore() { return s_GlobalFrame->pStored; } int Abc_FrameReadNtkStoreSize() { return s_GlobalFrame->nStored; } void * Abc_FrameReadLibLut() { return s_GlobalFrame->pLibLut; } void * Abc_FrameReadLibGen() { return s_GlobalFrame->pLibGen; } void * Abc_FrameReadLibSuper() { return s_GlobalFrame->pLibSuper; } void * Abc_FrameReadManDd() { return s_GlobalFrame->dd; } void * Abc_FrameReadManDec() { return s_GlobalFrame->pManDec; } char * Abc_FrameReadFlag( char * pFlag ) { return Cmd_FlagReadByName( s_GlobalFrame, pFlag ); } void Abc_FrameSetNtkStore( Abc_Ntk_t * pNtk ) { s_GlobalFrame->pStored = pNtk; } void Abc_FrameSetNtkStoreSize( int nStored ) { s_GlobalFrame->nStored = nStored; } void Abc_FrameSetLibLut( void * pLib ) { s_GlobalFrame->pLibLut = pLib; } void Abc_FrameSetLibGen( void * pLib ) { s_GlobalFrame->pLibGen = pLib; } void Abc_FrameSetLibSuper( void * pLib ) { s_GlobalFrame->pLibSuper = pLib; } void Abc_FrameSetFlag( char * pFlag, char * pValue ) { Cmd_FlagUpdateValue( s_GlobalFrame, pFlag, pValue ); } /**Function************************************************************* Synopsis [Returns 1 if the flag is enabled without value or with value 1.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ bool Abc_FrameIsFlagEnabled( char * pFlag ) { char * pValue; // if flag is not defined, it is not enabled pValue = Abc_FrameReadFlag( pFlag ); if ( pValue == NULL ) return 0; // if flag is defined but value is not empty (no parameter) or "1", it is not enabled if ( strcmp(pValue, "") && strcmp(pValue, "1") ) return 0; return 1; } /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Abc_Frame_t * Abc_FrameAllocate() { Abc_Frame_t * p; // allocate and clean p = ALLOC( Abc_Frame_t, 1 ); memset( p, 0, sizeof(Abc_Frame_t) ); // get version p->sVersion = Abc_UtilsGetVersion( p ); // set streams p->Err = stderr; p->Out = stdout; p->Hst = NULL; // set the starting step p->nSteps = 1; p->fBatchMode = 0; // initialize decomposition manager p->pManDec = Dec_ManStart(); p->dd = Cudd_Init( 0, 0, CUDD_UNIQUE_SLOTS, CUDD_CACHE_SLOTS, 0 ); return p; } /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_FrameDeallocate( Abc_Frame_t * p ) { Dec_ManStop( p->pManDec ); Extra_StopManager( p->dd ); Abc_FrameDeleteAllNetworks( p ); free( p ); p = NULL; } /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_FrameRestart( Abc_Frame_t * p ) { } /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Abc_Ntk_t * Abc_FrameReadNet( Abc_Frame_t * p ) { return p->pNtkCur; } /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ FILE * Abc_FrameReadOut( Abc_Frame_t * p ) { return p->Out; } /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ FILE * Abc_FrameReadErr( Abc_Frame_t * p ) { return p->Err; } /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ int Abc_FrameReadMode( Abc_Frame_t * p ) { int fShortNames; char * pValue; pValue = Cmd_FlagReadByName( p, "namemode" ); if ( pValue == NULL ) fShortNames = 0; else fShortNames = atoi(pValue); return fShortNames; } /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ bool Abc_FrameSetMode( Abc_Frame_t * p, bool fNameMode ) { char Buffer[2]; bool fNameModeOld; fNameModeOld = Abc_FrameReadMode( p ); Buffer[0] = '0' + fNameMode; Buffer[1] = 0; Cmd_FlagUpdateValue( p, "namemode", (char *)Buffer ); return fNameModeOld; } /**Function************************************************************* Synopsis [Sets the given network to be the current one.] Description [Takes the network and makes it the current network. The previous current network is attached to the given network as a backup copy. In the stack of backup networks contains too many networks (defined by the paramater "savesteps"), the bottom most network is deleted.] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_FrameSetCurrentNetwork( Abc_Frame_t * p, Abc_Ntk_t * pNtkNew ) { Abc_Ntk_t * pNtk, * pNtk2, * pNtk3; int nNetsPresent; int nNetsToSave; char * pValue; // link it to the previous network Abc_NtkSetBackup( pNtkNew, p->pNtkCur ); // set the step of this network Abc_NtkSetStep( pNtkNew, ++p->nSteps ); // set this network to be the current network p->pNtkCur = pNtkNew; // remove any extra network that may happen to be in the stack pValue = Cmd_FlagReadByName( p, "savesteps" ); // if the value of steps to save is not set, assume 1-level undo if ( pValue == NULL ) nNetsToSave = 1; else nNetsToSave = atoi(pValue); // count the network, remember the last one, and the one before the last one nNetsPresent = 0; pNtk2 = pNtk3 = NULL; for ( pNtk = p->pNtkCur; pNtk; pNtk = Abc_NtkBackup(pNtk2) ) { nNetsPresent++; pNtk3 = pNtk2; pNtk2 = pNtk; } // remove the earliest backup network if it is more steps away than we store if ( nNetsPresent - 1 > nNetsToSave ) { // delete the last network Abc_NtkDelete( pNtk2 ); // clean the pointer of the network before the last one Abc_NtkSetBackup( pNtk3, NULL ); } } /**Function************************************************************* Synopsis [This procedure swaps the current and the backup network.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_FrameSwapCurrentAndBackup( Abc_Frame_t * p ) { Abc_Ntk_t * pNtkCur, * pNtkBack, * pNtkBack2; int iStepCur, iStepBack; pNtkCur = p->pNtkCur; pNtkBack = Abc_NtkBackup( pNtkCur ); iStepCur = Abc_NtkStep ( pNtkCur ); // if there is no backup nothing to reset if ( pNtkBack == NULL ) return; // remember the backup of the backup pNtkBack2 = Abc_NtkBackup( pNtkBack ); iStepBack = Abc_NtkStep ( pNtkBack ); // set pNtkCur to be the next after the backup's backup Abc_NtkSetBackup( pNtkCur, pNtkBack2 ); Abc_NtkSetStep ( pNtkCur, iStepBack ); // set pNtkCur to be the next after the backup Abc_NtkSetBackup( pNtkBack, pNtkCur ); Abc_NtkSetStep ( pNtkBack, iStepCur ); // set the current network p->pNtkCur = pNtkBack; } /**Function************************************************************* Synopsis [Replaces the current network by the given one.] Description [This procedure does not modify the stack of saved networks.] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_FrameReplaceCurrentNetwork( Abc_Frame_t * p, Abc_Ntk_t * pNtk ) { if ( pNtk == NULL ) return; // transfer the parameters to the new network if ( p->pNtkCur && Abc_FrameIsFlagEnabled( "backup" ) ) { Abc_NtkSetBackup( pNtk, Abc_NtkBackup(p->pNtkCur) ); Abc_NtkSetStep( pNtk, Abc_NtkStep(p->pNtkCur) ); // delete the current network Abc_NtkDelete( p->pNtkCur ); } else { Abc_NtkSetBackup( pNtk, NULL ); Abc_NtkSetStep( pNtk, ++p->nSteps ); // delete the current network if present but backup is disabled if ( p->pNtkCur ) Abc_NtkDelete( p->pNtkCur ); } // set the new current network p->pNtkCur = pNtk; } /**Function************************************************************* Synopsis [Removes library binding of all currently stored networks.] Description [This procedure is called when the library is freed.] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_FrameUnmapAllNetworks( Abc_Frame_t * p ) { Abc_Ntk_t * pNtk; for ( pNtk = p->pNtkCur; pNtk; pNtk = Abc_NtkBackup(pNtk) ) if ( Abc_NtkHasMapping(pNtk) ) Abc_NtkUnmap( pNtk ); } /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_FrameDeleteAllNetworks( Abc_Frame_t * p ) { Abc_Ntk_t * pNtk, * pNtk2; // delete all the currently saved networks for ( pNtk = p->pNtkCur, pNtk2 = pNtk? Abc_NtkBackup(pNtk): NULL; pNtk; pNtk = pNtk2, pNtk2 = pNtk? Abc_NtkBackup(pNtk): NULL ) Abc_NtkDelete( pNtk ); // set the current network empty p->pNtkCur = NULL; fprintf( p->Out, "All networks have been deleted.\n" ); } /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_FrameSetGlobalFrame( Abc_Frame_t * p ) { s_GlobalFrame = p; } /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Abc_Frame_t * Abc_FrameGetGlobalFrame() { if ( s_GlobalFrame == 0 ) { // start the framework s_GlobalFrame = Abc_FrameAllocate(); // perform initializations Abc_FrameInit( s_GlobalFrame ); } return s_GlobalFrame; } //////////////////////////////////////////////////////////////////////// /// END OF FILE /// ////////////////////////////////////////////////////////////////////////