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Diffstat (limited to 'src/base/abci/abcXsim.c')
| -rw-r--r-- | src/base/abci/abcXsim.c | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/src/base/abci/abcXsim.c b/src/base/abci/abcXsim.c deleted file mode 100644 index e5656170..00000000 --- a/src/base/abci/abcXsim.c +++ /dev/null @@ -1,224 +0,0 @@ -/**CFile**************************************************************** - - FileName [abcXsim.c] - - SystemName [ABC: Logic synthesis and verification system.] - - PackageName [Network and node package.] - - Synopsis [Using X-valued simulation.] - - Author [Alan Mishchenko] - - Affiliation [UC Berkeley] - - Date [Ver. 1.0. Started - June 20, 2005.] - - Revision [$Id: abcXsim.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $] - -***********************************************************************/ - -#include "abc.h" - -//////////////////////////////////////////////////////////////////////// -/// DECLARATIONS /// -//////////////////////////////////////////////////////////////////////// - -#define XVS0 ABC_INIT_ZERO -#define XVS1 ABC_INIT_ONE -#define XVSX ABC_INIT_DC - -static inline void Abc_ObjSetXsim( Abc_Obj_t * pObj, int Value ) { pObj->pCopy = (void *)Value; } -static inline int Abc_ObjGetXsim( Abc_Obj_t * pObj ) { return (int)pObj->pCopy; } -static inline int Abc_XsimInv( int Value ) -{ - if ( Value == XVS0 ) - return XVS1; - if ( Value == XVS1 ) - return XVS0; - assert( Value == XVSX ); - return XVSX; -} -static inline int Abc_XsimAnd( int Value0, int Value1 ) -{ - if ( Value0 == XVS0 || Value1 == XVS0 ) - return XVS0; - if ( Value0 == XVSX || Value1 == XVSX ) - return XVSX; - assert( Value0 == XVS1 && Value1 == XVS1 ); - return XVS1; -} -static inline int Abc_XsimRand2() -{ - return (rand() & 1) ? XVS1 : XVS0; -} -static inline int Abc_XsimRand3() -{ - int RetValue; - do { - RetValue = rand() & 3; - } while ( RetValue == 0 ); - return RetValue; -} -static inline int Abc_ObjGetXsimFanin0( Abc_Obj_t * pObj ) -{ - int RetValue; - RetValue = Abc_ObjGetXsim(Abc_ObjFanin0(pObj)); - return Abc_ObjFaninC0(pObj)? Abc_XsimInv(RetValue) : RetValue; -} -static inline int Abc_ObjGetXsimFanin1( Abc_Obj_t * pObj ) -{ - int RetValue; - RetValue = Abc_ObjGetXsim(Abc_ObjFanin1(pObj)); - return Abc_ObjFaninC1(pObj)? Abc_XsimInv(RetValue) : RetValue; -} -static inline void Abc_XsimPrint( FILE * pFile, int Value ) -{ - if ( Value == XVS0 ) - { - fprintf( pFile, "0" ); - return; - } - if ( Value == XVS1 ) - { - fprintf( pFile, "1" ); - return; - } - assert( Value == XVSX ); - fprintf( pFile, "x" ); -} - -//////////////////////////////////////////////////////////////////////// -/// FUNCTION DEFINITIONS /// -//////////////////////////////////////////////////////////////////////// - -/**Function************************************************************* - - Synopsis [Performs X-valued simulation of the sequential network.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void Abc_NtkXValueSimulate( Abc_Ntk_t * pNtk, int nFrames, int fXInputs, int fXState, int fVerbose ) -{ - Abc_Obj_t * pObj; - int i, f; - assert( Abc_NtkIsStrash(pNtk) ); - srand( 0x12341234 ); - // start simulation - Abc_ObjSetXsim( Abc_AigConst1(pNtk), XVS1 ); - if ( fXInputs ) - { - Abc_NtkForEachPi( pNtk, pObj, i ) - Abc_ObjSetXsim( pObj, XVSX ); - } - else - { - Abc_NtkForEachPi( pNtk, pObj, i ) - Abc_ObjSetXsim( pObj, Abc_XsimRand2() ); - } - if ( fXState ) - { - Abc_NtkForEachLatch( pNtk, pObj, i ) - Abc_ObjSetXsim( Abc_ObjFanout0(pObj), XVSX ); - } - else - { - Abc_NtkForEachLatch( pNtk, pObj, i ) - Abc_ObjSetXsim( Abc_ObjFanout0(pObj), Abc_LatchInit(pObj) ); - } - // simulate and print the result - fprintf( stdout, "Frame : Inputs : Latches : Outputs\n" ); - for ( f = 0; f < nFrames; f++ ) - { - Abc_AigForEachAnd( pNtk, pObj, i ) - Abc_ObjSetXsim( pObj, Abc_XsimAnd(Abc_ObjGetXsimFanin0(pObj), Abc_ObjGetXsimFanin1(pObj)) ); - Abc_NtkForEachCo( pNtk, pObj, i ) - Abc_ObjSetXsim( pObj, Abc_ObjGetXsimFanin0(pObj) ); - // print out - fprintf( stdout, "%2d : ", f ); - Abc_NtkForEachPi( pNtk, pObj, i ) - Abc_XsimPrint( stdout, Abc_ObjGetXsim(pObj) ); - fprintf( stdout, " : " ); - Abc_NtkForEachLatch( pNtk, pObj, i ) - { -// if ( Abc_ObjGetXsim(Abc_ObjFanout0(pObj)) != XVSX ) -// printf( " %s=", Abc_ObjName(pObj) ); - Abc_XsimPrint( stdout, Abc_ObjGetXsim(Abc_ObjFanout0(pObj)) ); - } - fprintf( stdout, " : " ); - Abc_NtkForEachPo( pNtk, pObj, i ) - Abc_XsimPrint( stdout, Abc_ObjGetXsim(pObj) ); - if ( Abc_NtkAssertNum(pNtk) ) - { - fprintf( stdout, " : " ); - Abc_NtkForEachAssert( pNtk, pObj, i ) - Abc_XsimPrint( stdout, Abc_ObjGetXsim(pObj) ); - } - fprintf( stdout, "\n" ); - // assign input values - if ( fXInputs ) - { - Abc_NtkForEachPi( pNtk, pObj, i ) - Abc_ObjSetXsim( pObj, XVSX ); - } - else - { - Abc_NtkForEachPi( pNtk, pObj, i ) - Abc_ObjSetXsim( pObj, Abc_XsimRand2() ); - } - // transfer the latch values - Abc_NtkForEachLatch( pNtk, pObj, i ) - Abc_ObjSetXsim( Abc_ObjFanout0(pObj), Abc_ObjGetXsim(Abc_ObjFanin0(pObj)) ); - } -} - -/**Function************************************************************* - - Synopsis [Cycles the circuit to create a new initial state.] - - Description [Simulates the circuit with random input for the given - number of timeframes to get a better initial state.] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void Abc_NtkCycleInitState( Abc_Ntk_t * pNtk, int nFrames, int fVerbose ) -{ - Abc_Obj_t * pObj; - int i, f; - assert( Abc_NtkIsStrash(pNtk) ); - srand( 0x12341234 ); - // initialize the values - Abc_ObjSetXsim( Abc_AigConst1(pNtk), XVS1 ); - Abc_NtkForEachLatch( pNtk, pObj, i ) -// Abc_ObjSetXsim( Abc_ObjFanout0(pObj), Abc_LatchIsInit1(pObj)? XVS1 : XVS0 ); - Abc_ObjSetXsim( Abc_ObjFanout0(pObj), Abc_LatchInit(pObj) ); - // simulate for the given number of timeframes - for ( f = 0; f < nFrames; f++ ) - { - Abc_NtkForEachPi( pNtk, pObj, i ) - Abc_ObjSetXsim( pObj, Abc_XsimRand2() ); - Abc_AigForEachAnd( pNtk, pObj, i ) - Abc_ObjSetXsim( pObj, Abc_XsimAnd(Abc_ObjGetXsimFanin0(pObj), Abc_ObjGetXsimFanin1(pObj)) ); - Abc_NtkForEachCo( pNtk, pObj, i ) - Abc_ObjSetXsim( pObj, Abc_ObjGetXsimFanin0(pObj) ); - Abc_NtkForEachLatch( pNtk, pObj, i ) - Abc_ObjSetXsim( Abc_ObjFanout0(pObj), Abc_ObjGetXsim(Abc_ObjFanin0(pObj)) ); - } - // set the final values - Abc_NtkForEachLatch( pNtk, pObj, i ) - pObj->pData = (void *)Abc_ObjGetXsim(Abc_ObjFanout0(pObj)); -} - -/////////////////////////////////////////////////////////////////////// -/// END OF FILE /// -//////////////////////////////////////////////////////////////////////// - - |