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/**CFile****************************************************************
FileName [cgt.h]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Clock gating package.]
Synopsis [External declarations.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: cgt.h,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#ifndef ABC__aig__cgt__cgt_h
#define ABC__aig__cgt__cgt_h
/*
The algorithm implemented in this package is based on the paper:
A. Hurst. "Automatic synthesis of clock gating logic with controlled
netlist perturbation", DAC 2008.
*/
////////////////////////////////////////////////////////////////////////
/// INCLUDES ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// PARAMETERS ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_HEADER_START
////////////////////////////////////////////////////////////////////////
/// BASIC TYPES ///
////////////////////////////////////////////////////////////////////////
typedef struct Cgt_Par_t_ Cgt_Par_t;
struct Cgt_Par_t_
{
int nLevelMax; // the max number of levels to look for clock-gates
int nCandMax; // the max number of candidates at each node
int nOdcMax; // the max number of ODC levels to consider
int nConfMax; // the max number of conflicts at a node
int nVarsMin; // the min number of variables to recycle the SAT solver
int nFlopsMin; // the min number of flops needed to recycle the SAT solver
int fAreaOnly; // derive clock gating to minimize area
int fVerbose; // verbosity flag
int fVeryVerbose; // verbosity flag
};
////////////////////////////////////////////////////////////////////////
/// MACRO DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
/*=== cgtCore.c ==========================================================*/
extern void Cgt_SetDefaultParams( Cgt_Par_t * p );
extern Vec_Vec_t * Cgt_ClockGatingCandidates( Aig_Man_t * pAig, Aig_Man_t * pCare, Cgt_Par_t * pPars, Vec_Int_t * vUseful );
extern Vec_Vec_t * Cgt_ClockGatingInt( Aig_Man_t * pAig, Aig_Man_t * pCare, Cgt_Par_t * pPars, Vec_Int_t * vUseful );
extern Aig_Man_t * Cgt_ClockGating( Aig_Man_t * pAig, Aig_Man_t * pCare, Cgt_Par_t * pPars );
ABC_NAMESPACE_HEADER_END
#endif
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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