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Diffstat (limited to 'src/base/io/ioReadBlifMv.c')
| -rw-r--r-- | src/base/io/ioReadBlifMv.c | 1702 |
1 files changed, 0 insertions, 1702 deletions
diff --git a/src/base/io/ioReadBlifMv.c b/src/base/io/ioReadBlifMv.c deleted file mode 100644 index 97f2fbf3..00000000 --- a/src/base/io/ioReadBlifMv.c +++ /dev/null @@ -1,1702 +0,0 @@ -/**CFile**************************************************************** - - FileName [ioReadBlifMv.c] - - SystemName [ABC: Logic synthesis and verification system.] - - PackageName [Command processing package.] - - Synopsis [Procedures to read BLIF-MV file.] - - Author [Alan Mishchenko] - - Affiliation [UC Berkeley] - - Date [Ver. 1.0. Started - January 8, 2007.] - - Revision [$Id: ioReadBlifMv.c,v 1.00 2007/01/08 00:00:00 alanmi Exp $] - -***********************************************************************/ - -#include "abc.h" -#include "extra.h" -#include "vecPtr.h" -#include "io.h" - -//////////////////////////////////////////////////////////////////////// -/// DECLARATIONS /// -//////////////////////////////////////////////////////////////////////// - -#define IO_BLIFMV_MAXVALUES 256 - -typedef struct Io_MvVar_t_ Io_MvVar_t; // parsing var -typedef struct Io_MvMod_t_ Io_MvMod_t; // parsing model -typedef struct Io_MvMan_t_ Io_MvMan_t; // parsing manager - -struct Io_MvVar_t_ -{ - int nValues; // the number of values - char ** pNames; // the value names -}; - -struct Io_MvMod_t_ -{ - // file lines - char * pName; // .model line - Vec_Ptr_t * vInputs; // .inputs lines - Vec_Ptr_t * vOutputs; // .outputs lines - Vec_Ptr_t * vLatches; // .latch lines - Vec_Ptr_t * vResets; // .reset lines - Vec_Ptr_t * vNames; // .names lines - Vec_Ptr_t * vSubckts; // .subckt lines - Vec_Ptr_t * vMvs; // .mv lines - int fBlackBox; // indicates blackbox model - // the resulting network - Abc_Ntk_t * pNtk; - Abc_Obj_t * pResetLatch; - // the parent manager - Io_MvMan_t * pMan; -}; - -struct Io_MvMan_t_ -{ - // general info about file - int fBlifMv; // the file is BLIF-MV - int fUseReset; // the reset circuitry is added - char * pFileName; // the name of the file - char * pBuffer; // the contents of the file - Vec_Ptr_t * vLines; // the line beginnings - // the results of reading - Abc_Lib_t * pDesign; // the design under construction - int nNDnodes; // the counter of ND nodes - // intermediate storage for models - Vec_Ptr_t * vModels; // vector of models - Io_MvMod_t * pLatest; // the current model - // current processing info - Vec_Ptr_t * vTokens; // the current tokens - Vec_Ptr_t * vTokens2; // the current tokens - Vec_Str_t * vFunc; // the local function - // error reporting - char sError[512]; // the error string generated during parsing - // statistics - int nTablesRead; // the number of processed tables - int nTablesLeft; // the number of dangling tables -}; - -// static functions -static Io_MvMan_t * Io_MvAlloc(); -static void Io_MvFree( Io_MvMan_t * p ); -static Io_MvMod_t * Io_MvModAlloc(); -static void Io_MvModFree( Io_MvMod_t * p ); -static char * Io_MvLoadFile( char * pFileName ); -static void Io_MvReadPreparse( Io_MvMan_t * p ); -static void Io_MvReadInterfaces( Io_MvMan_t * p ); -static Abc_Lib_t * Io_MvParse( Io_MvMan_t * p ); -static int Io_MvParseLineModel( Io_MvMod_t * p, char * pLine ); -static int Io_MvParseLineInputs( Io_MvMod_t * p, char * pLine ); -static int Io_MvParseLineOutputs( Io_MvMod_t * p, char * pLine ); -static int Io_MvParseLineLatch( Io_MvMod_t * p, char * pLine ); -static int Io_MvParseLineSubckt( Io_MvMod_t * p, char * pLine ); -static int Io_MvParseLineMv( Io_MvMod_t * p, char * pLine ); -static int Io_MvParseLineNamesMv( Io_MvMod_t * p, char * pLine, int fReset ); -static int Io_MvParseLineNamesBlif( Io_MvMod_t * p, char * pLine ); -static int Io_MvParseLineGateBlif( Io_MvMod_t * p, Vec_Ptr_t * vTokens ); -static Io_MvVar_t * Abc_NtkMvVarDup( Abc_Ntk_t * pNtk, Io_MvVar_t * pVar ); - -static int Io_MvCharIsSpace( char s ) { return s == ' ' || s == '\t' || s == '\r' || s == '\n'; } -static int Io_MvCharIsMvSymb( char s ) { return s == '(' || s == ')' || s == '{' || s == '}' || s == '-' || s == ',' || s == '!'; } - -extern void Abc_NtkStartMvVars( Abc_Ntk_t * pNtk ); - -//////////////////////////////////////////////////////////////////////// -/// FUNCTION DEFINITIONS /// -//////////////////////////////////////////////////////////////////////// - -/**Function************************************************************* - - Synopsis [Reads the network from the BLIF or BLIF-MV file.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -Abc_Ntk_t * Io_ReadBlifMv( char * pFileName, int fBlifMv, int fCheck ) -{ - FILE * pFile; - Io_MvMan_t * p; - Abc_Ntk_t * pNtk; - Abc_Lib_t * pDesign; - char * pDesignName; - int RetValue, i; - - // check that the file is available - pFile = fopen( pFileName, "rb" ); - if ( pFile == NULL ) - { - printf( "Io_ReadBlifMv(): The file is unavailable (absent or open).\n" ); - return 0; - } - fclose( pFile ); - - // start the file reader - p = Io_MvAlloc(); - p->fBlifMv = fBlifMv; - p->fUseReset = 0; - p->pFileName = pFileName; - p->pBuffer = Io_MvLoadFile( pFileName ); - if ( p->pBuffer == NULL ) - { - Io_MvFree( p ); - return NULL; - } - // set the design name - pDesignName = Extra_FileNameGeneric( pFileName ); - p->pDesign = Abc_LibCreate( pDesignName ); - free( pDesignName ); - // free the HOP manager - Hop_ManStop( p->pDesign->pManFunc ); - p->pDesign->pManFunc = NULL; - // prepare the file for parsing - Io_MvReadPreparse( p ); - // parse interfaces of each network - Io_MvReadInterfaces( p ); - // construct the network - pDesign = Io_MvParse( p ); - if ( p->sError[0] ) - fprintf( stdout, "%s\n", p->sError ); - Io_MvFree( p ); - if ( pDesign == NULL ) - return NULL; -// pDesign should be linked to all models of the design - - // make sure that everything is okay with the network structure - if ( fCheck ) - { - Vec_PtrForEachEntry( pDesign->vModules, pNtk, i ) - { - if ( !Abc_NtkCheckRead( pNtk ) ) - { - printf( "Io_ReadBlifMv: The network check has failed for network %s.\n", pNtk->pName ); - Abc_LibFree( pDesign, NULL ); - return NULL; - } - } - } - -//Abc_LibPrint( pDesign ); - - // detect top-level model - RetValue = Abc_LibFindTopLevelModels( pDesign ); - pNtk = Vec_PtrEntry( pDesign->vTops, 0 ); - if ( RetValue > 1 ) - printf( "Warning: The design has %d root-level modules. The first one (%s) will be used.\n", - Vec_PtrSize(pDesign->vTops), pNtk->pName ); - - // extract the master network - pNtk->pDesign = pDesign; - pDesign->pManFunc = NULL; - - // verify the design for cyclic dependence - assert( Vec_PtrSize(pDesign->vModules) > 0 ); - if ( Vec_PtrSize(pDesign->vModules) == 1 ) - { -// printf( "Warning: The design is not hierarchical.\n" ); - Abc_LibFree( pDesign, pNtk ); - pNtk->pDesign = NULL; - pNtk->pSpec = Extra_UtilStrsav( pFileName ); - } - else - Abc_NtkIsAcyclicHierarchy( pNtk ); - -//Io_WriteBlifMv( pNtk, "_temp_.mv" ); - if ( pNtk->pSpec == NULL ) - pNtk->pSpec = Extra_UtilStrsav( pFileName ); - return pNtk; -} - -/**Function************************************************************* - - Synopsis [Allocates the BLIF parsing structure.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static Io_MvMan_t * Io_MvAlloc() -{ - Io_MvMan_t * p; - p = ALLOC( Io_MvMan_t, 1 ); - memset( p, 0, sizeof(Io_MvMan_t) ); - p->vLines = Vec_PtrAlloc( 512 ); - p->vModels = Vec_PtrAlloc( 512 ); - p->vTokens = Vec_PtrAlloc( 512 ); - p->vTokens2 = Vec_PtrAlloc( 512 ); - p->vFunc = Vec_StrAlloc( 512 ); - return p; -} - -/**Function************************************************************* - - Synopsis [Frees the BLIF parsing structure.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static void Io_MvFree( Io_MvMan_t * p ) -{ - Io_MvMod_t * pMod; - int i; - if ( p->pDesign ) - Abc_LibFree( p->pDesign, NULL ); - if ( p->pBuffer ) - free( p->pBuffer ); - if ( p->vLines ) - Vec_PtrFree( p->vLines ); - if ( p->vModels ) - { - Vec_PtrForEachEntry( p->vModels, pMod, i ) - Io_MvModFree( pMod ); - Vec_PtrFree( p->vModels ); - } - Vec_PtrFree( p->vTokens ); - Vec_PtrFree( p->vTokens2 ); - Vec_StrFree( p->vFunc ); - free( p ); -} - -/**Function************************************************************* - - Synopsis [Allocates the BLIF parsing structure for one model.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static Io_MvMod_t * Io_MvModAlloc() -{ - Io_MvMod_t * p; - p = ALLOC( Io_MvMod_t, 1 ); - memset( p, 0, sizeof(Io_MvMod_t) ); - p->vInputs = Vec_PtrAlloc( 512 ); - p->vOutputs = Vec_PtrAlloc( 512 ); - p->vLatches = Vec_PtrAlloc( 512 ); - p->vResets = Vec_PtrAlloc( 512 ); - p->vNames = Vec_PtrAlloc( 512 ); - p->vSubckts = Vec_PtrAlloc( 512 ); - p->vMvs = Vec_PtrAlloc( 512 ); - return p; -} - -/**Function************************************************************* - - Synopsis [Allocates the BLIF parsing structure for one model.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static void Io_MvModFree( Io_MvMod_t * p ) -{ -// if ( p->pNtk ) -// Abc_NtkDelete( p->pNtk ); - Vec_PtrFree( p->vInputs ); - Vec_PtrFree( p->vOutputs ); - Vec_PtrFree( p->vLatches ); - Vec_PtrFree( p->vResets ); - Vec_PtrFree( p->vNames ); - Vec_PtrFree( p->vSubckts ); - Vec_PtrFree( p->vMvs ); - free( p ); -} - - - -/**Function************************************************************* - - Synopsis [Counts the number of given chars.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static int Io_MvCountChars( char * pLine, char Char ) -{ - char * pCur; - int Counter = 0; - for ( pCur = pLine; *pCur; pCur++ ) - if ( *pCur == Char ) - Counter++; - return Counter; -} - -/**Function************************************************************* - - Synopsis [Returns the place where the arrow is hiding.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static char * Io_MvFindArrow( char * pLine ) -{ - char * pCur; - for ( pCur = pLine; *(pCur+1); pCur++ ) - if ( *pCur == '-' && *(pCur+1) == '>' ) - { - *pCur = ' '; - *(pCur+1) = ' '; - return pCur; - } - return NULL; -} - -/**Function************************************************************* - - Synopsis [Collects the already split tokens.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static void Io_MvCollectTokens( Vec_Ptr_t * vTokens, char * pInput, char * pOutput ) -{ - char * pCur; - Vec_PtrClear( vTokens ); - for ( pCur = pInput; pCur < pOutput; pCur++ ) - { - if ( *pCur == 0 ) - continue; - Vec_PtrPush( vTokens, pCur ); - while ( *++pCur ); - } -} - -/**Function************************************************************* - - Synopsis [Splits the line into tokens.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static void Io_MvSplitIntoTokens( Vec_Ptr_t * vTokens, char * pLine, char Stop ) -{ - char * pCur; - // clear spaces - for ( pCur = pLine; *pCur != Stop; pCur++ ) - if ( Io_MvCharIsSpace(*pCur) ) - *pCur = 0; - // collect tokens - Io_MvCollectTokens( vTokens, pLine, pCur ); -} - -/**Function************************************************************* - - Synopsis [Splits the line into tokens when .default may be present.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static void Io_MvSplitIntoTokensMv( Vec_Ptr_t * vTokens, char * pLine ) -{ - char * pCur; - // clear spaces - for ( pCur = pLine; *pCur != '.' || *(pCur+1) == 'd'; pCur++ ) - if ( Io_MvCharIsSpace(*pCur) ) - *pCur = 0; - // collect tokens - Io_MvCollectTokens( vTokens, pLine, pCur ); -} - -/**Function************************************************************* - - Synopsis [Splits the line into tokens.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static void Io_MvSplitIntoTokensAndClear( Vec_Ptr_t * vTokens, char * pLine, char Stop, char Char ) -{ - char * pCur; - // clear spaces - for ( pCur = pLine; *pCur != Stop; pCur++ ) - if ( Io_MvCharIsSpace(*pCur) || *pCur == Char ) - *pCur = 0; - // collect tokens - Io_MvCollectTokens( vTokens, pLine, pCur ); -} - -/**Function************************************************************* - - Synopsis [Returns the 1-based number of the line in which the token occurs.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static int Io_MvGetLine( Io_MvMan_t * p, char * pToken ) -{ - char * pLine; - int i; - Vec_PtrForEachEntry( p->vLines, pLine, i ) - if ( pToken < pLine ) - return i; - return -1; -} - -/**Function************************************************************* - - Synopsis [Reads the file into a character buffer.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static char * Io_MvLoadFile( char * pFileName ) -{ - FILE * pFile; - int nFileSize; - char * pContents; - pFile = fopen( pFileName, "rb" ); - if ( pFile == NULL ) - { - printf( "Io_MvLoadFile(): The file is unavailable (absent or open).\n" ); - return NULL; - } - fseek( pFile, 0, SEEK_END ); - nFileSize = ftell( pFile ); - if ( nFileSize == 0 ) - { - printf( "Io_MvLoadFile(): The file is empty.\n" ); - return NULL; - } - pContents = ALLOC( char, nFileSize + 10 ); - rewind( pFile ); - fread( pContents, nFileSize, 1, pFile ); - fclose( pFile ); - // finish off the file with the spare .end line - // some benchmarks suddenly break off without this line - strcpy( pContents + nFileSize, "\n.end\n" ); - return pContents; -} - -/**Function************************************************************* - - Synopsis [Prepares the parsing.] - - Description [Performs several preliminary operations: - - Cuts the file buffer into separate lines. - - Removes comments and line extenders. - - Sorts lines by directives. - - Estimates the number of objects. - - Allocates room for the objects. - - Allocates room for the hash table.] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static void Io_MvReadPreparse( Io_MvMan_t * p ) -{ - char * pCur, * pPrev; - int i, fComment = 0; - // parse the buffer into lines and remove comments - Vec_PtrPush( p->vLines, p->pBuffer ); - for ( pCur = p->pBuffer; *pCur; pCur++ ) - { - if ( *pCur == '\n' ) - { - *pCur = 0; -// if ( *(pCur-1) == '\r' ) -// *(pCur-1) = 0; - fComment = 0; - Vec_PtrPush( p->vLines, pCur + 1 ); - } - else if ( *pCur == '#' ) - fComment = 1; - // remove comments - if ( fComment ) - *pCur = 0; - } - - // unfold the line extensions and sort lines by directive - Vec_PtrForEachEntry( p->vLines, pCur, i ) - { - if ( *pCur == 0 ) - continue; - // find previous non-space character - for ( pPrev = pCur - 2; pPrev >= p->pBuffer; pPrev-- ) - if ( !Io_MvCharIsSpace(*pPrev) ) - break; - // if it is the line extender, overwrite it with spaces - if ( *pPrev == '\\' ) - { - for ( ; *pPrev; pPrev++ ) - *pPrev = ' '; - *pPrev = ' '; - continue; - } - // skip spaces at the beginning of the line - while ( Io_MvCharIsSpace(*pCur++) ); - // parse directives - if ( *(pCur-1) != '.' ) - continue; - if ( !strncmp(pCur, "names", 5) || !strncmp(pCur, "table", 5) || !strncmp(pCur, "gate", 4) ) - Vec_PtrPush( p->pLatest->vNames, pCur ); - else if ( p->fBlifMv && (!strncmp(pCur, "def ", 4) || !strncmp(pCur, "default ", 8)) ) - continue; - else if ( !strncmp(pCur, "latch", 5) ) - Vec_PtrPush( p->pLatest->vLatches, pCur ); - else if ( !strncmp(pCur, "r ", 2) || !strncmp(pCur, "reset ", 6) ) - Vec_PtrPush( p->pLatest->vResets, pCur ); - else if ( !strncmp(pCur, "inputs", 6) ) - Vec_PtrPush( p->pLatest->vInputs, pCur ); - else if ( !strncmp(pCur, "outputs", 7) ) - Vec_PtrPush( p->pLatest->vOutputs, pCur ); - else if ( !strncmp(pCur, "subckt", 6) ) - Vec_PtrPush( p->pLatest->vSubckts, pCur ); - else if ( p->fBlifMv && !strncmp(pCur, "mv", 2) ) - Vec_PtrPush( p->pLatest->vMvs, pCur ); - else if ( !strncmp(pCur, "blackbox", 8) ) - p->pLatest->fBlackBox = 1; - else if ( !strncmp(pCur, "model", 5) ) - { - p->pLatest = Io_MvModAlloc(); - p->pLatest->pName = pCur; - p->pLatest->pMan = p; - } - else if ( !strncmp(pCur, "end", 3) ) - { - if ( p->pLatest ) - Vec_PtrPush( p->vModels, p->pLatest ); - p->pLatest = NULL; - } - else if ( !strncmp(pCur, "exdc", 4) ) - { - fprintf( stdout, "Line %d: Skipping EXDC network.\n", Io_MvGetLine(p, pCur) ); - break; - } - else if ( !strncmp(pCur, "delay", 5) ) - {} - else if ( !strncmp(pCur, "input_arrival", 13) ) - {} - else if ( !strncmp(pCur, "output_required", 15) ) - {} - else - { - pCur--; - if ( pCur[strlen(pCur)-1] == '\r' ) - pCur[strlen(pCur)-1] = 0; - fprintf( stdout, "Line %d: Skipping line \"%s\".\n", Io_MvGetLine(p, pCur), pCur ); - } - } -} - -/**Function************************************************************* - - Synopsis [Parses interfaces of the models.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static void Io_MvReadInterfaces( Io_MvMan_t * p ) -{ - Io_MvMod_t * pMod; - char * pLine; - int i, k; - // iterate through the models - Vec_PtrForEachEntry( p->vModels, pMod, i ) - { - // parse the model - if ( !Io_MvParseLineModel( pMod, pMod->pName ) ) - return; - // add model to the design - if ( !Abc_LibAddModel( p->pDesign, pMod->pNtk ) ) - { - sprintf( p->sError, "Line %d: Model %s is defined twice.", Io_MvGetLine(p, pMod->pName), pMod->pName ); - return; - } - // parse the inputs - Vec_PtrForEachEntry( pMod->vInputs, pLine, k ) - if ( !Io_MvParseLineInputs( pMod, pLine ) ) - return; - // parse the outputs - Vec_PtrForEachEntry( pMod->vOutputs, pLine, k ) - if ( !Io_MvParseLineOutputs( pMod, pLine ) ) - return; - } -} - - -/**Function************************************************************* - - Synopsis [] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static Abc_Lib_t * Io_MvParse( Io_MvMan_t * p ) -{ - Abc_Lib_t * pDesign; - Io_MvMod_t * pMod; - char * pLine; - int i, k; - // iterate through the models - Vec_PtrForEachEntry( p->vModels, pMod, i ) - { - // check if there any MV lines - if ( Vec_PtrSize(pMod->vMvs) > 0 ) - Abc_NtkStartMvVars( pMod->pNtk ); - // parse the mv lines - Vec_PtrForEachEntry( pMod->vMvs, pLine, k ) - if ( !Io_MvParseLineMv( pMod, pLine ) ) - return NULL; - // if reset lines are used there should be the same number of them as latches - if ( Vec_PtrSize(pMod->vResets) > 0 ) - { - if ( Vec_PtrSize(pMod->vLatches) != Vec_PtrSize(pMod->vResets) ) - { - sprintf( p->sError, "Line %d: Model %s has different number of latches (%d) and reset nodes (%d).", - Io_MvGetLine(p, pMod->pName), Abc_NtkName(pMod->pNtk), Vec_PtrSize(pMod->vLatches), Vec_PtrSize(pMod->vResets) ); - return NULL; - } - // create binary latch with 1-data and 0-init - if ( p->fUseReset ) - pMod->pResetLatch = Io_ReadCreateResetLatch( pMod->pNtk, p->fBlifMv ); - } - // parse the latches - Vec_PtrForEachEntry( pMod->vLatches, pLine, k ) - if ( !Io_MvParseLineLatch( pMod, pLine ) ) - return NULL; - // parse the reset lines - if ( p->fUseReset ) - Vec_PtrForEachEntry( pMod->vResets, pLine, k ) - if ( !Io_MvParseLineNamesMv( pMod, pLine, 1 ) ) - return NULL; - // parse the nodes - if ( p->fBlifMv ) - { - Vec_PtrForEachEntry( pMod->vNames, pLine, k ) - if ( !Io_MvParseLineNamesMv( pMod, pLine, 0 ) ) - return NULL; - } - else - { - Vec_PtrForEachEntry( pMod->vNames, pLine, k ) - if ( !Io_MvParseLineNamesBlif( pMod, pLine ) ) - return NULL; - } - // parse the subcircuits - Vec_PtrForEachEntry( pMod->vSubckts, pLine, k ) - if ( !Io_MvParseLineSubckt( pMod, pLine ) ) - return NULL; - // finalize the network - Abc_NtkFinalizeRead( pMod->pNtk ); - } - if ( p->nNDnodes ) -// printf( "Warning: The parser added %d PIs to replace non-deterministic nodes.\n", p->nNDnodes ); - printf( "Warning: The parser added %d constant 0 nodes to replace non-deterministic nodes.\n", p->nNDnodes ); - // return the network - pDesign = p->pDesign; - p->pDesign = NULL; - return pDesign; -} - -/**Function************************************************************* - - Synopsis [Parses the model line.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static int Io_MvParseLineModel( Io_MvMod_t * p, char * pLine ) -{ - Vec_Ptr_t * vTokens = p->pMan->vTokens; - char * pToken; - Io_MvSplitIntoTokens( vTokens, pLine, '\0' ); - pToken = Vec_PtrEntry( vTokens, 0 ); - assert( !strcmp(pToken, "model") ); - if ( Vec_PtrSize(vTokens) != 2 ) - { - sprintf( p->pMan->sError, "Line %d: Model line has %d entries while it should have 2.", Io_MvGetLine(p->pMan, pToken), Vec_PtrSize(vTokens) ); - return 0; - } - if ( p->fBlackBox ) - p->pNtk = Abc_NtkAlloc( ABC_NTK_NETLIST, ABC_FUNC_BLACKBOX, 1 ); - else if ( p->pMan->fBlifMv ) - p->pNtk = Abc_NtkAlloc( ABC_NTK_NETLIST, ABC_FUNC_BLIFMV, 1 ); - else - p->pNtk = Abc_NtkAlloc( ABC_NTK_NETLIST, ABC_FUNC_SOP, 1 ); - p->pNtk->pName = Extra_UtilStrsav( Vec_PtrEntry(vTokens, 1) ); - return 1; -} - -/**Function************************************************************* - - Synopsis [Parses the inputs line.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static int Io_MvParseLineInputs( Io_MvMod_t * p, char * pLine ) -{ - Vec_Ptr_t * vTokens = p->pMan->vTokens; - char * pToken; - int i; - Io_MvSplitIntoTokens( vTokens, pLine, '\0' ); - pToken = Vec_PtrEntry(vTokens, 0); - assert( !strcmp(pToken, "inputs") ); - Vec_PtrForEachEntryStart( vTokens, pToken, i, 1 ) - Io_ReadCreatePi( p->pNtk, pToken ); - return 1; -} - -/**Function************************************************************* - - Synopsis [Parses the outputs line.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static int Io_MvParseLineOutputs( Io_MvMod_t * p, char * pLine ) -{ - Vec_Ptr_t * vTokens = p->pMan->vTokens; - char * pToken; - int i; - Io_MvSplitIntoTokens( vTokens, pLine, '\0' ); - pToken = Vec_PtrEntry(vTokens, 0); - assert( !strcmp(pToken, "outputs") ); - Vec_PtrForEachEntryStart( vTokens, pToken, i, 1 ) - Io_ReadCreatePo( p->pNtk, pToken ); - return 1; -} - -/**Function************************************************************* - - Synopsis [Parses the latches line.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static int Io_MvParseLineLatch( Io_MvMod_t * p, char * pLine ) -{ - Vec_Ptr_t * vTokens = p->pMan->vTokens; - Abc_Obj_t * pObj, * pNet; - char * pToken; - int Init; - Io_MvSplitIntoTokens( vTokens, pLine, '\0' ); - pToken = Vec_PtrEntry(vTokens,0); - assert( !strcmp(pToken, "latch") ); - if ( Vec_PtrSize(vTokens) < 3 ) - { - sprintf( p->pMan->sError, "Line %d: Latch does not have input name and output name.", Io_MvGetLine(p->pMan, pToken) ); - return 0; - } - // create latch - if ( p->pResetLatch == NULL ) - { - pObj = Io_ReadCreateLatch( p->pNtk, Vec_PtrEntry(vTokens,1), Vec_PtrEntry(vTokens,2) ); - // get initial value - if ( p->pMan->fBlifMv ) - Abc_LatchSetInit0( pObj ); - else - { - if ( Vec_PtrSize(vTokens) > 3 ) - Init = atoi( Vec_PtrEntryLast(vTokens) ); - else - Init = 2; - if ( Init < 0 || Init > 2 ) - { - sprintf( p->pMan->sError, "Line %d: Initial state of the latch is incorrect \"%s\".", Io_MvGetLine(p->pMan, pToken), Vec_PtrEntry(vTokens,3) ); - return 0; - } - if ( Init == 0 ) - Abc_LatchSetInit0( pObj ); - else if ( Init == 1 ) - Abc_LatchSetInit1( pObj ); - else // if ( Init == 2 ) - Abc_LatchSetInitDc( pObj ); - } - } - else - { - // get the net corresponding to the output of the latch - pNet = Abc_NtkFindOrCreateNet( p->pNtk, Vec_PtrEntry(vTokens,2) ); - // get the net corresponding to the latch output (feeding into reset MUX) - pNet = Abc_NtkFindOrCreateNet( p->pNtk, Abc_ObjNameSuffix(pNet, "_out") ); - // create latch - pObj = Io_ReadCreateLatch( p->pNtk, Vec_PtrEntry(vTokens,1), Abc_ObjName(pNet) ); - Abc_LatchSetInit0( pObj ); - } - return 1; -} - -/**Function************************************************************* - - Synopsis [Parses the subckt line.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static int Io_MvParseLineSubckt( Io_MvMod_t * p, char * pLine ) -{ - Vec_Ptr_t * vTokens = p->pMan->vTokens; - Abc_Ntk_t * pModel; - Abc_Obj_t * pBox, * pNet, * pTerm; - char * pToken, * pName, ** ppNames; - int nEquals, i, k; - - // split the line into tokens - nEquals = Io_MvCountChars( pLine, '=' ); - Io_MvSplitIntoTokensAndClear( vTokens, pLine, '\0', '=' ); - pToken = Vec_PtrEntry(vTokens,0); - assert( !strcmp(pToken, "subckt") ); - - // get the model for this box - pName = Vec_PtrEntry(vTokens,1); - pModel = Abc_LibFindModelByName( p->pMan->pDesign, pName ); - if ( pModel == NULL ) - { - sprintf( p->pMan->sError, "Line %d: Cannot find the model for subcircuit %s.", Io_MvGetLine(p->pMan, pToken), pName ); - return 0; - } - - // check if the number of tokens is correct - if ( nEquals != Abc_NtkPiNum(pModel) + Abc_NtkPoNum(pModel) ) - { - sprintf( p->pMan->sError, "Line %d: The number of ports (%d) in .subckt differs from the sum of PIs and POs of the model (%d).", - Io_MvGetLine(p->pMan, pToken), nEquals, Abc_NtkPiNum(pModel) + Abc_NtkPoNum(pModel) ); - return 0; - } - - // get the names - ppNames = (char **)Vec_PtrArray(vTokens) + 2 + p->pMan->fBlifMv; - - // create the box with these terminals - if ( Abc_NtkHasBlackbox(pModel) ) - pBox = Abc_NtkCreateBlackbox( p->pNtk ); - else - pBox = Abc_NtkCreateWhitebox( p->pNtk ); - pBox->pData = pModel; - if ( p->pMan->fBlifMv ) - Abc_ObjAssignName( pBox, Vec_PtrEntry(vTokens,2), NULL ); - Abc_NtkForEachPi( pModel, pTerm, i ) - { - // find this terminal among the formal inputs of the subcircuit - pName = Abc_ObjName(Abc_ObjFanout0(pTerm)); - for ( k = 0; k < nEquals; k++ ) - if ( !strcmp( ppNames[2*k], pName ) ) - break; - if ( k == nEquals ) - { - sprintf( p->pMan->sError, "Line %d: Cannot find PI \"%s\" of the model \"%s\" as a formal input of the subcircuit.", - Io_MvGetLine(p->pMan, pToken), pName, Abc_NtkName(pModel) ); - return 0; - } - // create the BI with the actual name - pNet = Abc_NtkFindOrCreateNet( p->pNtk, ppNames[2*k+1] ); - pTerm = Abc_NtkCreateBi( p->pNtk ); - Abc_ObjAddFanin( pBox, pTerm ); - Abc_ObjAddFanin( pTerm, pNet ); - } - Abc_NtkForEachPo( pModel, pTerm, i ) - { - // find this terminal among the formal outputs of the subcircuit - pName = Abc_ObjName(Abc_ObjFanin0(pTerm)); - for ( k = 0; k < nEquals; k++ ) - if ( !strcmp( ppNames[2*k], pName ) ) - break; - if ( k == nEquals ) - { - sprintf( p->pMan->sError, "Line %d: Cannot find PO \"%s\" of the modell \"%s\" as a formal output of the subcircuit.", - Io_MvGetLine(p->pMan, pToken), pName, Abc_NtkName(pModel) ); - return 0; - } - // create the BI with the actual name - pNet = Abc_NtkFindOrCreateNet( p->pNtk, ppNames[2*k+1] ); - pTerm = Abc_NtkCreateBo( p->pNtk ); - Abc_ObjAddFanin( pNet, pTerm ); - Abc_ObjAddFanin( pTerm, pBox ); - } - return 1; -} - - -/**Function************************************************************* - - Synopsis [Parses the mv line.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static int Io_MvParseLineMv( Io_MvMod_t * p, char * pLine ) -{ - Vec_Ptr_t * vTokens = p->pMan->vTokens; - Abc_Obj_t * pObj; - Io_MvVar_t * pVar; - Extra_MmFlex_t * pFlex; - char * pName; - int nCommas, nValues, i, k; - // count commas and get the tokens - nCommas = Io_MvCountChars( pLine, ',' ); - Io_MvSplitIntoTokensAndClear( vTokens, pLine, '\0', ',' ); - pName = Vec_PtrEntry(vTokens,0); - assert( !strcmp(pName, "mv") ); - // get the number of values - if ( Vec_PtrSize(vTokens) <= nCommas + 2 ) - { - sprintf( p->pMan->sError, "Line %d: The number of values in not specified in .mv line.", Io_MvGetLine(p->pMan, pName), pName ); - return 0; - } - nValues = atoi( Vec_PtrEntry(vTokens,nCommas+2) ); - if ( nValues < 2 || nValues > IO_BLIFMV_MAXVALUES ) - { - sprintf( p->pMan->sError, "Line %d: The number of values (%d) is incorrect (should be >= 2 and <= %d).", - Io_MvGetLine(p->pMan, pName), nValues, IO_BLIFMV_MAXVALUES ); - return 0; - } - // if there is no symbolic values, quit - if ( nValues == 2 && Vec_PtrSize(vTokens) == nCommas + 3 ) - return 1; - if ( Vec_PtrSize(vTokens) > nCommas + 3 && Vec_PtrSize(vTokens) - (nCommas + 3) != nValues ) - { - sprintf( p->pMan->sError, "Line %d: Wrong number (%d) of symbolic value names (should be %d).", - Io_MvGetLine(p->pMan, pName), Vec_PtrSize(vTokens) - (nCommas + 3), nValues ); - return 0; - } - // go through variables - pFlex = Abc_NtkMvVarMan( p->pNtk ); - for ( i = 0; i <= nCommas; i++ ) - { - pName = Vec_PtrEntry( vTokens, i+1 ); - pObj = Abc_NtkFindOrCreateNet( p->pNtk, pName ); - // allocate variable - pVar = (Io_MvVar_t *)Extra_MmFlexEntryFetch( pFlex, sizeof(Io_MvVar_t) ); - pVar->nValues = nValues; - pVar->pNames = NULL; - // create names - if ( Vec_PtrSize(vTokens) > nCommas + 3 ) - { - pVar->pNames = (char **)Extra_MmFlexEntryFetch( pFlex, sizeof(char *) * nValues ); - Vec_PtrForEachEntryStart( vTokens, pName, k, nCommas + 3 ) - { - pVar->pNames[k-(nCommas + 3)] = (char *)Extra_MmFlexEntryFetch( pFlex, strlen(pName) + 1 ); - strcpy( pVar->pNames[k-(nCommas + 3)], pName ); - } - } - // save the variable - Abc_ObjSetMvVar( pObj, pVar ); - } - // make sure the names are unique - if ( pVar->pNames ) - { - for ( i = 0; i < nValues; i++ ) - for ( k = i+1; k < nValues; k++ ) - if ( !strcmp(pVar->pNames[i], pVar->pNames[k]) ) - { - pName = Vec_PtrEntry(vTokens,0); - sprintf( p->pMan->sError, "Line %d: Symbolic value name \"%s\" is repeated in .mv line.", - Io_MvGetLine(p->pMan, pName), pVar->pNames[i] ); - return 0; - } - } - return 1; -} - -/**Function************************************************************* - - Synopsis [Writes the values into the BLIF-MV representation for the node.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static int Io_MvWriteValues( Abc_Obj_t * pNode, Vec_Str_t * vFunc ) -{ - char Buffer[10]; - Abc_Obj_t * pFanin; - int i; - // add the fanin number of values - Abc_ObjForEachFanin( pNode, pFanin, i ) - { - sprintf( Buffer, "%d", Abc_ObjMvVarNum(pFanin) ); - Vec_StrAppend( vFunc, Buffer ); - Vec_StrPush( vFunc, ' ' ); - } - // add the node number of values - sprintf( Buffer, "%d", Abc_ObjMvVarNum(Abc_ObjFanout0(pNode)) ); - Vec_StrAppend( vFunc, Buffer ); - Vec_StrPush( vFunc, '\n' ); - return 1; -} - -/**Function************************************************************* - - Synopsis [Translated one literal.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static int Io_MvParseLiteralMv( Io_MvMod_t * p, Abc_Obj_t * pNode, char * pToken, Vec_Str_t * vFunc, int iLit ) -{ - char Buffer[10]; - Io_MvVar_t * pVar; - Abc_Obj_t * pFanin, * pNet; - char * pCur, * pNext; - int i; - // consider the equality literal - if ( pToken[0] == '=' ) - { - // find the fanins - Abc_ObjForEachFanin( pNode, pFanin, i ) - if ( !strcmp( Abc_ObjName(pFanin), pToken + 1 ) ) - break; - if ( i == Abc_ObjFaninNum(pNode) ) - { - sprintf( p->pMan->sError, "Line %d: Node name in the table \"%s\" cannot be found on .names line.", - Io_MvGetLine(p->pMan, pToken), pToken + 1 ); - return 0; - } - Vec_StrPush( vFunc, '=' ); - sprintf( Buffer, "%d", i ); - Vec_StrAppend( vFunc, Buffer ); - Vec_StrPush( vFunc, (char)((iLit == -1)? '\n' : ' ') ); - return 1; - } - // consider regular literal - assert( iLit < Abc_ObjFaninNum(pNode) ); - pNet = iLit >= 0 ? Abc_ObjFanin(pNode, iLit) : Abc_ObjFanout0(pNode); - pVar = Abc_ObjMvVar( pNet ); - // if the var is absent or has no symbolic values quit - if ( pVar == NULL || pVar->pNames == NULL ) - { - Vec_StrAppend( vFunc, pToken ); - Vec_StrPush( vFunc, (char)((iLit == -1)? '\n' : ' ') ); - return 1; - } - // parse the literal using symbolic values - for ( pCur = pToken; *pCur; pCur++ ) - { - if ( Io_MvCharIsMvSymb(*pCur) ) - { - Vec_StrPush( vFunc, *pCur ); - continue; - } - // find the next MvSymb char - for ( pNext = pCur+1; *pNext; pNext++ ) - if ( Io_MvCharIsMvSymb(*pNext) ) - break; - // look for the value name - for ( i = 0; i < pVar->nValues; i++ ) - if ( !strncmp( pVar->pNames[i], pCur, pNext-pCur ) ) - break; - if ( i == pVar->nValues ) - { - *pNext = 0; - sprintf( p->pMan->sError, "Line %d: Cannot find value name \"%s\" among the value names of variable \"%s\".", - Io_MvGetLine(p->pMan, pToken), pCur, Abc_ObjName(pNet) ); - return 0; - } - // value name is found - sprintf( Buffer, "%d", i ); - Vec_StrAppend( vFunc, Buffer ); - // update the pointer - pCur = pNext - 1; - } - Vec_StrPush( vFunc, (char)((iLit == -1)? '\n' : ' ') ); - return 1; -} - -/**Function************************************************************* - - Synopsis [Constructs the MV-SOP cover from the file parsing info.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static char * Io_MvParseTableMv( Io_MvMod_t * p, Abc_Obj_t * pNode, Vec_Ptr_t * vTokens2, int nInputs, int nOutputs, int iOut ) -{ - Vec_Str_t * vFunc = p->pMan->vFunc; - char * pFirst, * pToken; - int iStart, i; - // prepare the place for the cover - Vec_StrClear( vFunc ); - // write the number of values -// Io_MvWriteValues( pNode, vFunc ); - // get the first token - pFirst = Vec_PtrEntry( vTokens2, 0 ); - if ( pFirst[0] == '.' ) - { - // write the default literal - Vec_StrPush( vFunc, 'd' ); - pToken = Vec_PtrEntry(vTokens2, 1 + iOut); - if ( !Io_MvParseLiteralMv( p, pNode, pToken, vFunc, -1 ) ) - return NULL; - iStart = 1 + nOutputs; - } - else - iStart = 0; - // write the remaining literals - while ( iStart < Vec_PtrSize(vTokens2) ) - { - // input literals - for ( i = 0; i < nInputs; i++ ) - { - pToken = Vec_PtrEntry( vTokens2, iStart + i ); - if ( !Io_MvParseLiteralMv( p, pNode, pToken, vFunc, i ) ) - return NULL; - } - // output literal - pToken = Vec_PtrEntry( vTokens2, iStart + nInputs + iOut ); - if ( !Io_MvParseLiteralMv( p, pNode, pToken, vFunc, -1 ) ) - return NULL; - // update the counter - iStart += nInputs + nOutputs; - } - Vec_StrPush( vFunc, '\0' ); - return Vec_StrArray( vFunc ); -} - -/**Function************************************************************* - - Synopsis [Adds reset circuitry corresponding to latch with pName.] - - Description [Returns the reset node's net.] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static Abc_Obj_t * Io_MvParseAddResetCircuit( Io_MvMod_t * p, char * pName ) -{ - char Buffer[50]; - Abc_Obj_t * pNode, * pData0Net, * pData1Net, * pResetLONet, * pOutNet; - Io_MvVar_t * pVar; - // make sure the reset latch exists - assert( p->pResetLatch != NULL ); - // get the reset net - pResetLONet = Abc_ObjFanout0(Abc_ObjFanout0(p->pResetLatch)); - // get the output net - pOutNet = Abc_NtkFindOrCreateNet( p->pNtk, pName ); - // get the data nets - pData0Net = Abc_NtkFindOrCreateNet( p->pNtk, Abc_ObjNameSuffix(pOutNet, "_reset") ); - pData1Net = Abc_NtkFindOrCreateNet( p->pNtk, Abc_ObjNameSuffix(pOutNet, "_out") ); - // duplicate MV variables - if ( Abc_NtkMvVar(p->pNtk) ) - { - pVar = Abc_ObjMvVar( pOutNet ); - Abc_ObjSetMvVar( pData0Net, Abc_NtkMvVarDup(p->pNtk, pVar) ); - Abc_ObjSetMvVar( pData1Net, Abc_NtkMvVarDup(p->pNtk, pVar) ); - } - // create the node - pNode = Abc_NtkCreateNode( p->pNtk ); - // create the output net - Abc_ObjAddFanin( pOutNet, pNode ); - // create the function - if ( p->pMan->fBlifMv ) - { -// Vec_Att_t * p = Abc_NtkMvVar( pNtk ); - int nValues = Abc_ObjMvVarNum(pOutNet); -// sprintf( Buffer, "2 %d %d %d\n1 - - =1\n0 - - =2\n", nValues, nValues, nValues ); - sprintf( Buffer, "1 - - =1\n0 - - =2\n" ); - pNode->pData = Abc_SopRegister( p->pNtk->pManFunc, Buffer ); - } - else - pNode->pData = Abc_SopCreateMux( p->pNtk->pManFunc ); - // add nets - Abc_ObjAddFanin( pNode, pResetLONet ); - Abc_ObjAddFanin( pNode, pData1Net ); - Abc_ObjAddFanin( pNode, pData0Net ); - return pData0Net; -} - -/**Function************************************************************* - - Synopsis [Parses the nodes line.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static int Io_MvParseLineNamesMvOne( Io_MvMod_t * p, Vec_Ptr_t * vTokens, Vec_Ptr_t * vTokens2, int nInputs, int nOutputs, int iOut, int fReset ) -{ - Abc_Obj_t * pNet, * pNode; - char * pName; - // get the output name - pName = Vec_PtrEntry( vTokens, Vec_PtrSize(vTokens) - nOutputs + iOut ); - // create the node - if ( fReset ) - { - pNet = Abc_NtkFindNet( p->pNtk, pName ); - if ( pNet == NULL ) - { - sprintf( p->pMan->sError, "Line %d: Latch with output signal \"%s\" does not exist.", Io_MvGetLine(p->pMan, pName), pName ); - return 0; - } -/* - if ( !Abc_ObjIsBo(Abc_ObjFanin0(pNet)) ) - { - sprintf( p->pMan->sError, "Line %d: Reset line \"%s\" defines signal that is not a latch output.", Io_MvGetLine(p->pMan, pName), pName ); - return 0; - } -*/ - // construct the reset circuit and get the reset net feeding into it - pNet = Io_MvParseAddResetCircuit( p, pName ); - // create fanins - pNode = Io_ReadCreateNode( p->pNtk, Abc_ObjName(pNet), (char **)(vTokens->pArray + 1), nInputs ); - assert( nInputs == Vec_PtrSize(vTokens) - 2 ); - } - else - { - pNet = Abc_NtkFindOrCreateNet( p->pNtk, pName ); - if ( Abc_ObjFaninNum(pNet) > 0 ) - { - sprintf( p->pMan->sError, "Line %d: Signal \"%s\" is defined more than once.", Io_MvGetLine(p->pMan, pName), pName ); - return 0; - } - pNode = Io_ReadCreateNode( p->pNtk, pName, (char **)(vTokens->pArray + 1), nInputs ); - } - // create the cover - pNode->pData = Io_MvParseTableMv( p, pNode, vTokens2, nInputs, nOutputs, iOut ); - if ( pNode->pData == NULL ) - return 0; - pNode->pData = Abc_SopRegister( p->pNtk->pManFunc, pNode->pData ); -//printf( "Finished parsing node \"%s\" with table:\n%s\n", pName, pNode->pData ); - return 1; -} - -/**Function************************************************************* - - Synopsis [Parses the nodes line.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static int Io_MvParseLineNamesMv( Io_MvMod_t * p, char * pLine, int fReset ) -{ - Vec_Ptr_t * vTokens = p->pMan->vTokens; - Vec_Ptr_t * vTokens2 = p->pMan->vTokens2; - Abc_Obj_t * pNet; - char * pName, * pFirst, * pArrow; - int nInputs, nOutputs, nLiterals, nLines, i; - assert( p->pMan->fBlifMv ); - // get the arrow if it is present - pArrow = Io_MvFindArrow( pLine ); - if ( !p->pMan->fBlifMv && pArrow ) - { - sprintf( p->pMan->sError, "Line %d: Multi-output node symbol (->) in binary BLIF file.", Io_MvGetLine(p->pMan, pLine) ); - return 0; - } - // split names line into tokens - Io_MvSplitIntoTokens( vTokens, pLine, '\0' ); - if ( fReset ) - assert( !strcmp(Vec_PtrEntry(vTokens,0), "r") || !strcmp(Vec_PtrEntry(vTokens,0), "reset") ); - else - assert( !strcmp(Vec_PtrEntry(vTokens,0), "names") || !strcmp(Vec_PtrEntry(vTokens,0), "table") ); - // find the number of inputs and outputs - nInputs = Vec_PtrSize(vTokens) - 2; - nOutputs = 1; - if ( pArrow != NULL ) - { - for ( i = Vec_PtrSize(vTokens) - 2; i >= 1; i-- ) - if ( pArrow < (char*)Vec_PtrEntry(vTokens,i) ) - { - nInputs--; - nOutputs++; - } - } - // split table into tokens - pName = Vec_PtrEntryLast( vTokens ); - Io_MvSplitIntoTokensMv( vTokens2, pName + strlen(pName) ); - pFirst = Vec_PtrEntry( vTokens2, 0 ); - if ( pFirst[0] == '.' ) - { - assert( pFirst[1] == 'd' ); - nLiterals = Vec_PtrSize(vTokens2) - 1 - nOutputs; - } - else - nLiterals = Vec_PtrSize(vTokens2); - // check the number of lines - if ( nLiterals % (nInputs + nOutputs) != 0 ) - { - sprintf( p->pMan->sError, "Line %d: Wrong number of literals in the table of node \"%s\". (Spaces inside literals are not allowed.)", Io_MvGetLine(p->pMan, pFirst), pName ); - return 0; - } - // check for the ND table - nLines = nLiterals / (nInputs + nOutputs); - if ( nInputs == 0 && nLines > 1 ) - { - // add the outputs to the PIs - for ( i = 0; i < nOutputs; i++ ) - { - pName = Vec_PtrEntry( vTokens, Vec_PtrSize(vTokens) - nOutputs + i ); - // get the net corresponding to this node - pNet = Abc_NtkFindOrCreateNet(p->pNtk, pName); - if ( fReset ) - { - assert( p->pResetLatch != NULL ); - // construct the reset circuit and get the reset net feeding into it - pNet = Io_MvParseAddResetCircuit( p, pName ); - } - // add the new PI node -// Abc_ObjAddFanin( pNet, Abc_NtkCreatePi(p->pNtk) ); -// fprintf( stdout, "Io_ReadBlifMv(): Adding PI for internal non-deterministic node \"%s\".\n", pName ); - p->pMan->nNDnodes++; - Abc_ObjAddFanin( pNet, Abc_NtkCreateNodeConst0(p->pNtk) ); - } - return 1; - } - // iterate through the outputs - for ( i = 0; i < nOutputs; i++ ) - { - if ( !Io_MvParseLineNamesMvOne( p, vTokens, vTokens2, nInputs, nOutputs, i, fReset ) ) - return 0; - } - return 1; -} - - -/**Function************************************************************* - - Synopsis [Constructs the SOP cover from the file parsing info.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static char * Io_MvParseTableBlif( Io_MvMod_t * p, char * pTable, int nFanins ) -{ - Vec_Ptr_t * vTokens = p->pMan->vTokens; - Vec_Str_t * vFunc = p->pMan->vFunc; - char * pProduct, * pOutput; - int i, Polarity = -1; - - p->pMan->nTablesRead++; - // get the tokens - Io_MvSplitIntoTokens( vTokens, pTable, '.' ); - if ( Vec_PtrSize(vTokens) == 0 ) - return Abc_SopCreateConst0( p->pNtk->pManFunc ); - if ( Vec_PtrSize(vTokens) == 1 ) - { - pOutput = Vec_PtrEntry( vTokens, 0 ); - if ( ((pOutput[0] - '0') & 0x8E) || pOutput[1] ) - { - sprintf( p->pMan->sError, "Line %d: Constant table has wrong output value \"%s\".", Io_MvGetLine(p->pMan, pOutput), pOutput ); - return NULL; - } - return pOutput[0] == '0' ? Abc_SopCreateConst0(p->pNtk->pManFunc) : Abc_SopCreateConst1(p->pNtk->pManFunc); - } - pProduct = Vec_PtrEntry( vTokens, 0 ); - if ( Vec_PtrSize(vTokens) % 2 == 1 ) - { - sprintf( p->pMan->sError, "Line %d: Table has odd number of tokens (%d).", Io_MvGetLine(p->pMan, pProduct), Vec_PtrSize(vTokens) ); - return NULL; - } - // parse the table - Vec_StrClear( vFunc ); - for ( i = 0; i < Vec_PtrSize(vTokens)/2; i++ ) - { - pProduct = Vec_PtrEntry( vTokens, 2*i + 0 ); - pOutput = Vec_PtrEntry( vTokens, 2*i + 1 ); - if ( strlen(pProduct) != (unsigned)nFanins ) - { - sprintf( p->pMan->sError, "Line %d: Cube \"%s\" has size different from the fanin count (%d).", Io_MvGetLine(p->pMan, pProduct), pProduct, nFanins ); - return NULL; - } - if ( ((pOutput[0] - '0') & 0x8E) || pOutput[1] ) - { - sprintf( p->pMan->sError, "Line %d: Output value \"%s\" is incorrect.", Io_MvGetLine(p->pMan, pProduct), pOutput ); - return NULL; - } - if ( Polarity == -1 ) - Polarity = pOutput[0] - '0'; - else if ( Polarity != pOutput[0] - '0' ) - { - sprintf( p->pMan->sError, "Line %d: Output value \"%s\" differs from the value in the first line of the table (%d).", Io_MvGetLine(p->pMan, pProduct), pOutput, Polarity ); - return NULL; - } - // parse one product - Vec_StrAppend( vFunc, pProduct ); - Vec_StrPush( vFunc, ' ' ); - Vec_StrPush( vFunc, pOutput[0] ); - Vec_StrPush( vFunc, '\n' ); - } - Vec_StrPush( vFunc, '\0' ); - return Vec_StrArray( vFunc ); -} - -/**Function************************************************************* - - Synopsis [Parses the nodes line.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static int Io_MvParseLineNamesBlif( Io_MvMod_t * p, char * pLine ) -{ - Vec_Ptr_t * vTokens = p->pMan->vTokens; - Abc_Obj_t * pNet, * pNode; - char * pName; - assert( !p->pMan->fBlifMv ); - Io_MvSplitIntoTokens( vTokens, pLine, '\0' ); - // parse the mapped node - if ( !strcmp(Vec_PtrEntry(vTokens,0), "gate") ) - return Io_MvParseLineGateBlif( p, vTokens ); - // parse the regular name line - assert( !strcmp(Vec_PtrEntry(vTokens,0), "names") ); - pName = Vec_PtrEntryLast( vTokens ); - pNet = Abc_NtkFindOrCreateNet( p->pNtk, pName ); - if ( Abc_ObjFaninNum(pNet) > 0 ) - { - sprintf( p->pMan->sError, "Line %d: Signal \"%s\" is defined more than once.", Io_MvGetLine(p->pMan, pName), pName ); - return 0; - } - // create fanins - pNode = Io_ReadCreateNode( p->pNtk, pName, (char **)(vTokens->pArray + 1), Vec_PtrSize(vTokens) - 2 ); - // parse the table of this node - pNode->pData = Io_MvParseTableBlif( p, pName + strlen(pName), Abc_ObjFaninNum(pNode) ); - if ( pNode->pData == NULL ) - return 0; - pNode->pData = Abc_SopRegister( p->pNtk->pManFunc, pNode->pData ); - return 1; -} - -/**Function************************************************************* - - Synopsis [Duplicate the MV variable.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -Io_MvVar_t * Abc_NtkMvVarDup( Abc_Ntk_t * pNtk, Io_MvVar_t * pVar ) -{ - Extra_MmFlex_t * pFlex; - Io_MvVar_t * pVarDup; - int i; - if ( pVar == NULL ) - return NULL; - pFlex = Abc_NtkMvVarMan( pNtk ); - assert( pFlex != NULL ); - pVarDup = (Io_MvVar_t *)Extra_MmFlexEntryFetch( pFlex, sizeof(Io_MvVar_t) ); - pVarDup->nValues = pVar->nValues; - pVarDup->pNames = NULL; - if ( pVar->pNames == NULL ) - return pVarDup; - pVarDup->pNames = (char **)Extra_MmFlexEntryFetch( pFlex, sizeof(char *) * pVar->nValues ); - for ( i = 0; i < pVar->nValues; i++ ) - { - pVarDup->pNames[i] = (char *)Extra_MmFlexEntryFetch( pFlex, strlen(pVar->pNames[i]) + 1 ); - strcpy( pVarDup->pNames[i], pVar->pNames[i] ); - } - return pVarDup; -} - - -#include "mio.h" -#include "main.h" - -/**Function************************************************************* - - Synopsis [] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static char * Io_ReadBlifCleanName( char * pName ) -{ - int i, Length; - Length = strlen(pName); - for ( i = 0; i < Length; i++ ) - if ( pName[i] == '=' ) - return pName + i + 1; - return NULL; -} - -/**Function************************************************************* - - Synopsis [] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -static int Io_MvParseLineGateBlif( Io_MvMod_t * p, Vec_Ptr_t * vTokens ) -{ - Mio_Library_t * pGenlib; - Mio_Gate_t * pGate; - Abc_Obj_t * pNode; - char ** ppNames, * pName; - int i, nNames; - - pName = vTokens->pArray[0]; - - // check that the library is available - pGenlib = Abc_FrameReadLibGen(); - if ( pGenlib == NULL ) - { - sprintf( p->pMan->sError, "Line %d: The current library is not available.", Io_MvGetLine(p->pMan, pName) ); - return 0; - } - - // create a new node and add it to the network - if ( vTokens->nSize < 2 ) - { - sprintf( p->pMan->sError, "Line %d: The .gate line has less than two tokens.", Io_MvGetLine(p->pMan, pName) ); - return 0; - } - - // get the gate - pGate = Mio_LibraryReadGateByName( pGenlib, vTokens->pArray[1] ); - if ( pGate == NULL ) - { - sprintf( p->pMan->sError, "Line %d: Cannot find gate \"%s\" in the library.", Io_MvGetLine(p->pMan, pName), vTokens->pArray[1] ); - return 0; - } - - // if this is the first line with gate, update the network type - if ( Abc_NtkNodeNum(p->pNtk) == 0 ) - { - assert( p->pNtk->ntkFunc == ABC_FUNC_SOP ); - p->pNtk->ntkFunc = ABC_FUNC_MAP; - Extra_MmFlexStop( p->pNtk->pManFunc ); - p->pNtk->pManFunc = pGenlib; - } - - // remove the formal parameter names - for ( i = 2; i < vTokens->nSize; i++ ) - { - vTokens->pArray[i] = Io_ReadBlifCleanName( vTokens->pArray[i] ); - if ( vTokens->pArray[i] == NULL ) - { - sprintf( p->pMan->sError, "Line %d: Invalid gate input assignment.", Io_MvGetLine(p->pMan, pName) ); - return 0; - } - } - - // create the node - ppNames = (char **)vTokens->pArray + 2; - nNames = vTokens->nSize - 3; - pNode = Io_ReadCreateNode( p->pNtk, ppNames[nNames], ppNames, nNames ); - - // set the pointer to the functionality of the node - Abc_ObjSetData( pNode, pGate ); - return 1; -} - -//////////////////////////////////////////////////////////////////////// -/// END OF FILE /// -//////////////////////////////////////////////////////////////////////// - - |