From 4d30a1e4f1edecff86d5066ce4653a370e59e5e1 Mon Sep 17 00:00:00 2001 From: Alan Mishchenko Date: Wed, 30 Jan 2008 08:01:00 -0800 Subject: Version abc80130 --- src/base/io/ioReadBench.c | 223 ++++------------------------------------------ 1 file changed, 16 insertions(+), 207 deletions(-) (limited to 'src/base/io/ioReadBench.c') diff --git a/src/base/io/ioReadBench.c b/src/base/io/ioReadBench.c index 007147bc..393b2216 100644 --- a/src/base/io/ioReadBench.c +++ b/src/base/io/ioReadBench.c @@ -27,7 +27,7 @@ static Abc_Ntk_t * Io_ReadBenchNetwork( Extra_FileReader_t * p ); //////////////////////////////////////////////////////////////////////// -/// FUNCTION DEFINITIONS /// +/// FUNCTION DEFITIONS /// //////////////////////////////////////////////////////////////////////// /**Function************************************************************* @@ -47,7 +47,7 @@ Abc_Ntk_t * Io_ReadBench( char * pFileName, int fCheck ) Abc_Ntk_t * pNtk; // start the file - p = Extra_FileReaderAlloc( pFileName, "#", "\n\r", " \t,()=" ); + p = Extra_FileReaderAlloc( pFileName, "#", "\n", " \t\r,()=" ); if ( p == NULL ) return NULL; @@ -66,7 +66,6 @@ Abc_Ntk_t * Io_ReadBench( char * pFileName, int fCheck ) } return pNtk; } - /**Function************************************************************* Synopsis [] @@ -83,11 +82,10 @@ Abc_Ntk_t * Io_ReadBenchNetwork( Extra_FileReader_t * p ) ProgressBar * pProgress; Vec_Ptr_t * vTokens; Abc_Ntk_t * pNtk; - Abc_Obj_t * pNode, * pNet; + Abc_Obj_t * pNet, * pNode; Vec_Str_t * vString; - unsigned uTruth[8]; - char * pType, ** ppNames, * pString; - int iLine, nNames, nDigits, fLutsPresent = 0; + char * pType, ** ppNames; + int iLine, nNames; // allocate the empty network pNtk = Abc_NtkStartRead( Extra_FileReaderGetFileName(p) ); @@ -102,7 +100,6 @@ Abc_Ntk_t * Io_ReadBenchNetwork( Extra_FileReader_t * p ) if ( vTokens->nSize == 1 ) { printf( "%s: Wrong input file format.\n", Extra_FileReaderGetFileName(p) ); - Vec_StrFree( vString ); Abc_NtkDelete( pNtk ); return NULL; } @@ -116,90 +113,8 @@ Abc_Ntk_t * Io_ReadBenchNetwork( Extra_FileReader_t * p ) { // get the node name and the node type pType = vTokens->pArray[1]; - if ( strncmp(pType, "DFF", 3) == 0 ) // works for both DFF and DFFRSE - { - pNode = Io_ReadCreateLatch( pNtk, vTokens->pArray[2], vTokens->pArray[0] ); -// Abc_LatchSetInit0( pNode ); - if ( pType[3] == '0' ) - Abc_LatchSetInit0( pNode ); - else if ( pType[3] == '1' ) - Abc_LatchSetInit1( pNode ); - else - Abc_LatchSetInitDc( pNode ); - } - else if ( strcmp(pType, "LUT") == 0 ) - { - fLutsPresent = 1; - ppNames = (char **)vTokens->pArray + 3; - nNames = vTokens->nSize - 3; - // check the number of inputs - if ( nNames > 8 ) - { - printf( "%s: Currently cannot read truth tables with more than 8 inputs (%d).\n", Extra_FileReaderGetFileName(p), nNames ); - Vec_StrFree( vString ); - Abc_NtkDelete( pNtk ); - return NULL; - } - // get the hex string - pString = vTokens->pArray[2]; - if ( strncmp( pString, "0x", 2 ) ) - { - printf( "%s: The LUT signature (%s) does not look like a hexadecimal beginning with \"0x\".\n", Extra_FileReaderGetFileName(p), pString ); - Vec_StrFree( vString ); - Abc_NtkDelete( pNtk ); - return NULL; - } - pString += 2; - // pad the string with zero's if needed - nDigits = (1 << nNames) / 4; - if ( nDigits == 0 ) - nDigits = 1; - if ( strlen(pString) < (unsigned)nDigits ) - { - Vec_StrFill( vString, nDigits - strlen(pString), '0' ); - Vec_StrPrintStr( vString, pString ); - Vec_StrPush( vString, 0 ); - pString = Vec_StrArray( vString ); - } - // read the hex number from the string - if ( !Extra_ReadHexadecimal( uTruth, pString, nNames ) ) - { - printf( "%s: Reading hexadecimal number (%s) has failed.\n", Extra_FileReaderGetFileName(p), pString ); - Vec_StrFree( vString ); - Abc_NtkDelete( pNtk ); - return NULL; - } - // check if the node is a constant node - if ( Extra_TruthIsConst0(uTruth, nNames) ) - { - pNode = Io_ReadCreateNode( pNtk, vTokens->pArray[0], ppNames, 0 ); - Abc_ObjSetData( pNode, Abc_SopRegister( pNtk->pManFunc, " 0\n" ) ); - } - else if ( Extra_TruthIsConst1(uTruth, nNames) ) - { - pNode = Io_ReadCreateNode( pNtk, vTokens->pArray[0], ppNames, 0 ); - Abc_ObjSetData( pNode, Abc_SopRegister( pNtk->pManFunc, " 1\n" ) ); - } - else - { - // create the node - pNode = Io_ReadCreateNode( pNtk, vTokens->pArray[0], ppNames, nNames ); - assert( nNames > 0 ); - if ( nNames > 1 ) - Abc_ObjSetData( pNode, Abc_SopCreateFromTruth(pNtk->pManFunc, nNames, uTruth) ); - else if ( pString[0] == '2' ) - Abc_ObjSetData( pNode, Abc_SopCreateBuf(pNtk->pManFunc) ); - else if ( pString[0] == '1' ) - Abc_ObjSetData( pNode, Abc_SopCreateInv(pNtk->pManFunc) ); - else - { - printf( "%s: Reading truth table (%s) of single-input node has failed.\n", Extra_FileReaderGetFileName(p), pString ); - Vec_StrFree( vString ); - Abc_NtkDelete( pNtk ); - return NULL; - } - } - } + if ( strcmp(pType, "DFF") == 0 ) + Io_ReadCreateLatch( pNtk, vTokens->pArray[2], vTokens->pArray[0] ); else { // create a new node and add it to the network @@ -208,7 +123,7 @@ Abc_Ntk_t * Io_ReadBenchNetwork( Extra_FileReader_t * p ) pNode = Io_ReadCreateNode( pNtk, vTokens->pArray[0], ppNames, nNames ); // assign the cover if ( strcmp(pType, "AND") == 0 ) - Abc_ObjSetData( pNode, Abc_SopCreateAnd(pNtk->pManFunc, nNames, NULL) ); + Abc_ObjSetData( pNode, Abc_SopCreateAnd(pNtk->pManFunc, nNames) ); else if ( strcmp(pType, "OR") == 0 ) Abc_ObjSetData( pNode, Abc_SopCreateOr(pNtk->pManFunc, nNames, NULL) ); else if ( strcmp(pType, "NAND") == 0 ) @@ -217,22 +132,15 @@ Abc_Ntk_t * Io_ReadBenchNetwork( Extra_FileReader_t * p ) Abc_ObjSetData( pNode, Abc_SopCreateNor(pNtk->pManFunc, nNames) ); else if ( strcmp(pType, "XOR") == 0 ) Abc_ObjSetData( pNode, Abc_SopCreateXor(pNtk->pManFunc, nNames) ); - else if ( strcmp(pType, "NXOR") == 0 || strcmp(pType, "XNOR") == 0 ) + else if ( strcmp(pType, "NXOR") == 0 ) Abc_ObjSetData( pNode, Abc_SopCreateNxor(pNtk->pManFunc, nNames) ); else if ( strncmp(pType, "BUF", 3) == 0 ) Abc_ObjSetData( pNode, Abc_SopCreateBuf(pNtk->pManFunc) ); else if ( strcmp(pType, "NOT") == 0 ) Abc_ObjSetData( pNode, Abc_SopCreateInv(pNtk->pManFunc) ); - else if ( strncmp(pType, "MUX", 3) == 0 ) - Abc_ObjSetData( pNode, Abc_SopRegister(pNtk->pManFunc, "1-0 1\n-11 1\n") ); - else if ( strncmp(pType, "gnd", 3) == 0 ) - Abc_ObjSetData( pNode, Abc_SopRegister( pNtk->pManFunc, " 0\n" ) ); - else if ( strncmp(pType, "vdd", 3) == 0 ) - Abc_ObjSetData( pNode, Abc_SopRegister( pNtk->pManFunc, " 1\n" ) ); - else + else { - printf( "Io_ReadBenchNetwork(): Cannot determine gate type \"%s\" in line %d.\n", pType, Extra_FileReaderGetLineNumber(p, 0) ); - Vec_StrFree( vString ); + printf( "Cannot determine gate type \"%s\" in line %d.\n", pType, Extra_FileReaderGetLineNumber(p, 0) ); Abc_NtkDelete( pNtk ); return NULL; } @@ -242,116 +150,17 @@ Abc_Ntk_t * Io_ReadBenchNetwork( Extra_FileReader_t * p ) Extra_ProgressBarStop( pProgress ); Vec_StrFree( vString ); - // check if constant 0 is present - if ( (pNet = Abc_NtkFindNet( pNtk, "gnd" )) ) - { - if ( Abc_ObjFaninNum(pNet) == 0 ) - Io_ReadCreateConst( pNtk, "gnd", 0 ); - } - if ( (pNet = Abc_NtkFindNet( pNtk, "1" )) ) - { - if ( Abc_ObjFaninNum(pNet) == 0 ) - { - printf( "Io_ReadBenchNetwork(): Adding constant 0 fanin to non-driven net \"1\".\n" ); - Io_ReadCreateConst( pNtk, "1", 0 ); - } - } - // check if constant 1 is present - if ( (pNet = Abc_NtkFindNet( pNtk, "vdd" )) ) - { - if ( Abc_ObjFaninNum(pNet) == 0 ) - Io_ReadCreateConst( pNtk, "vdd", 1 ); - } - if ( (pNet = Abc_NtkFindNet( pNtk, "2" )) ) - { - if ( Abc_ObjFaninNum(pNet) == 0 ) - { - printf( "Io_ReadBenchNetwork(): Adding constant 1 fanin to non-driven net \"2\".\n" ); - Io_ReadCreateConst( pNtk, "2", 1 ); - } - } + // check if constant have been added + if ( pNet = Abc_NtkFindNet( pNtk, "vdd" ) ) + Io_ReadCreateConst( pNtk, "vdd", 1 ); + if ( pNet = Abc_NtkFindNet( pNtk, "gnd" ) ) + Io_ReadCreateConst( pNtk, "gnd", 0 ); Abc_NtkFinalizeRead( pNtk ); - - // if LUTs are present, collapse the truth tables into cubes - if ( fLutsPresent ) - { - if ( !Abc_NtkToBdd(pNtk) ) - { - printf( "Io_ReadBenchNetwork(): Converting to BDD has failed.\n" ); - Abc_NtkDelete( pNtk ); - return NULL; - } - if ( !Abc_NtkToSop(pNtk, 0) ) - { - printf( "Io_ReadBenchNetwork(): Converting to SOP has failed.\n" ); - Abc_NtkDelete( pNtk ); - return NULL; - } - } return pNtk; } -/**Function************************************************************* - - Synopsis [Reads initial state in BENCH format.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void Io_ReadBenchInit( Abc_Ntk_t * pNtk, char * pFileName ) -{ - char pBuffer[1000]; - FILE * pFile; - char * pToken; - Abc_Obj_t * pObj; - int Num; - pFile = fopen( pFileName, "r" ); - if ( pFile == NULL ) - { - printf( "Io_ReadBenchInit(): Failed to open file \"%s\".\n", pFileName ); - return; - } - while ( fgets( pBuffer, 999, pFile ) ) - { - pToken = strtok( pBuffer, " \n\t\r" ); - // find the latch output - Num = Nm_ManFindIdByName( pNtk->pManName, pToken, ABC_OBJ_BO ); - if ( Num < 0 ) - { - printf( "Io_ReadBenchInit(): Cannot find register with output %s.\n", pToken ); - continue; - } - pObj = Abc_ObjFanin0( Abc_NtkObj( pNtk, Num ) ); - if ( !Abc_ObjIsLatch(pObj) ) - { - printf( "Io_ReadBenchInit(): The signal is not a register output %s.\n", pToken ); - continue; - } - // assign the new init state - pToken = strtok( NULL, " \n\t\r" ); - if ( pToken[0] == '0' ) - Abc_LatchSetInit0( pObj ); - else if ( pToken[0] == '1' ) - Abc_LatchSetInit1( pObj ); - else if ( pToken[0] == '2' ) - Abc_LatchSetInitDc( pObj ); - else - { - printf( "Io_ReadBenchInit(): The signal %s has unknown initial value (%s).\n", - Abc_ObjName(Abc_ObjFanout0(pObj)), pToken ); - continue; - } - } - fclose( pFile ); -} - - //////////////////////////////////////////////////////////////////////// /// END OF FILE /// //////////////////////////////////////////////////////////////////////// -- cgit v1.2.3