From 19d50b98a192013ced1963e5ccb3801082067dbc Mon Sep 17 00:00:00 2001 From: Alan Mishchenko Date: Sat, 25 Aug 2012 12:34:54 -0700 Subject: New package to read/write a subset of Liberty for STA. --- src/map/scl/sclFile.c | 141 ++++++++++++++++++++++++++++++++------------------ 1 file changed, 90 insertions(+), 51 deletions(-) (limited to 'src/map/scl/sclFile.c') diff --git a/src/map/scl/sclFile.c b/src/map/scl/sclFile.c index 35f32664..4a9ad0ed 100644 --- a/src/map/scl/sclFile.c +++ b/src/map/scl/sclFile.c @@ -31,7 +31,7 @@ ABC_NAMESPACE_IMPL_START /**Function************************************************************* - Synopsis [Binary IO for numbers (int, word, float) and string (char*).] + Synopsis [Binary I/O for numbers (int, word, float) and strings (char *).] Description [] @@ -40,21 +40,36 @@ ABC_NAMESPACE_IMPL_START SeeAlso [] ***********************************************************************/ -static inline void Abc_SclPutI( Vec_Str_t * vOut, word Val ) +static inline void Abc_SclPutI_no_enc( Vec_Str_t * vOut, int Val ) { int i; for ( i = 0; i < 4; i++ ) Vec_StrPush( vOut, (char)(Val >> (8*i)) ); } -static inline int Abc_SclGetI( Vec_Str_t * vOut, int * pPos ) +static inline int Abc_SclGetI_no_enc( Vec_Str_t * vOut, int * pPos ) { int i; int Val = 0; for ( i = 0; i < 4; i++ ) - Val |= (int)(unsigned char)Vec_StrEntry(vOut, *pPos++) << (8*i); + Val |= (int)(unsigned char)Vec_StrEntry(vOut, (*pPos)++) << (8*i); return Val; } +static inline void Abc_SclPutI( Vec_Str_t * vOut, int Val ) +{ + for ( ; Val >= 0x80; Val >>= 7 ) + Vec_StrPush( vOut, (unsigned char)(Val | 0x80) ); + Vec_StrPush( vOut, (unsigned char)Val ); +} +static inline int Abc_SclGetI( Vec_Str_t * vOut, int * pPos ) +{ + unsigned char ch; + int i = 0, Val = 0; + while ( (ch = Vec_StrEntry(vOut, (*pPos)++)) & 0x80 ) + Val |= (ch & 0x7f) << (7 * i++); + return Val | (ch << (7 * i)); +} + static inline void Abc_SclPutW( Vec_Str_t * vOut, word Val ) { int i; @@ -66,7 +81,7 @@ static inline word Abc_SclGetW( Vec_Str_t * vOut, int * pPos ) int i; word Val = 0; for ( i = 0; i < 8; i++ ) - Val |= (word)(unsigned char)Vec_StrEntry(vOut, *pPos++) << (8*i); + Val |= (word)(unsigned char)Vec_StrEntry(vOut, (*pPos)++) << (8*i); return Val; } @@ -82,10 +97,27 @@ static inline void Abc_SclPutF( Vec_Str_t * vOut, float Val ) static inline float Abc_SclGetF( Vec_Str_t * vOut, int * pPos ) { union { float num; unsigned char data[4]; } tmp; - tmp.data[0] = Vec_StrEntry( vOut, *pPos++ ); - tmp.data[1] = Vec_StrEntry( vOut, *pPos++ ); - tmp.data[2] = Vec_StrEntry( vOut, *pPos++ ); - tmp.data[3] = Vec_StrEntry( vOut, *pPos++ ); + tmp.data[0] = Vec_StrEntry( vOut, (*pPos)++ ); + tmp.data[1] = Vec_StrEntry( vOut, (*pPos)++ ); + tmp.data[2] = Vec_StrEntry( vOut, (*pPos)++ ); + tmp.data[3] = Vec_StrEntry( vOut, (*pPos)++ ); + return tmp.num; +} + +static inline void Abc_SclPutD( Vec_Str_t * vOut, double Val ) +{ + union { double num; unsigned char data[8]; } tmp; + int i, Lim = sizeof(double); + tmp.num = Val; + for ( i = 0; i < Lim; i++ ) + Vec_StrPush( vOut, tmp.data[i] ); +} +static inline double Abc_SclGetD( Vec_Str_t * vOut, int * pPos ) +{ + union { double num; unsigned char data[8]; } tmp; + int i, Lim = sizeof(double); + for ( i = 0; i < Lim; i++ ) + tmp.data[i] = Vec_StrEntry( vOut, (*pPos)++ ); return tmp.num; } @@ -98,7 +130,7 @@ static inline void Abc_SclPutS( Vec_Str_t * vOut, char * pStr ) static inline char * Abc_SclGetS( Vec_Str_t * vOut, int * pPos ) { char * pStr = Vec_StrEntryP( vOut, *pPos ); - while ( Vec_StrEntry(vOut, *pPos++) ); + while ( Vec_StrEntry(vOut, (*pPos)++) ); return Abc_UtilStrsav(pStr); } @@ -117,8 +149,8 @@ static inline char * Abc_SclGetS( Vec_Str_t * vOut, int * pPos ) static void Abc_SclWriteSurface( Vec_Str_t * vOut, SC_Surface * p ) { Vec_Flt_t * vVec; - int i, k, Entry; - float EntryF; + float Entry; + int i, k; Abc_SclPutI( vOut, Vec_FltSize(p->vIndex0) ); Vec_FltForEachEntry( p->vIndex0, Entry, i ) @@ -128,22 +160,23 @@ static void Abc_SclWriteSurface( Vec_Str_t * vOut, SC_Surface * p ) Vec_FltForEachEntry( p->vIndex1, Entry, i ) Abc_SclPutF( vOut, Entry ); - Vec_PtrForEachEntry( Vec_Flt_t *, p->vData, vVec, k ) - Vec_FltForEachEntry( vVec, EntryF, i ) - Abc_SclPutF( vOut, EntryF ); + Vec_PtrForEachEntry( Vec_Flt_t *, p->vData, vVec, i ) + Vec_FltForEachEntry( vVec, Entry, k ) + Abc_SclPutF( vOut, Entry ); for ( i = 0; i < 3; i++ ) - Abc_SclPutF( vOut, 0 ); + Abc_SclPutF( vOut, p->approx[0][i] ); for ( i = 0; i < 4; i++ ) - Abc_SclPutF( vOut, 0 ); + Abc_SclPutF( vOut, p->approx[1][i] ); for ( i = 0; i < 6; i++ ) - Abc_SclPutF( vOut, 0 ); + Abc_SclPutF( vOut, p->approx[2][i] ); } static void Abc_SclWriteLibrary( Vec_Str_t * vOut, SC_Lib * p ) { SC_WireLoad * pWL; SC_WireLoadSel * pWLS; SC_Cell * pCell; + SC_Pin * pPin; int n_valid_cells; int i, j, k; @@ -156,10 +189,10 @@ static void Abc_SclWriteLibrary( Vec_Str_t * vOut, SC_Lib * p ) Abc_SclPutF( vOut, p->default_max_out_slew ); assert( p->unit_time >= 0 ); - assert( p->unit_cap_int >= 0 ); + assert( p->unit_cap_snd >= 0 ); Abc_SclPutI( vOut, p->unit_time ); - Abc_SclPutF( vOut, p->unit_cap_float ); - Abc_SclPutI( vOut, p->unit_cap_int ); + Abc_SclPutF( vOut, p->unit_cap_fst ); + Abc_SclPutI( vOut, p->unit_cap_snd ); // Write 'wire_load' vector: Abc_SclPutI( vOut, Vec_PtrSize(p->vWireLoads) ); @@ -187,20 +220,19 @@ static void Abc_SclWriteLibrary( Vec_Str_t * vOut, SC_Lib * p ) { Abc_SclPutF( vOut, Vec_FltEntry(pWLS->vAreaFrom, j) ); Abc_SclPutF( vOut, Vec_FltEntry(pWLS->vAreaTo, j) ); - Abc_SclPutS( vOut, Vec_PtrEntry(pWLS->vWireLoadModel, j) ); + Abc_SclPutS( vOut, (char *)Vec_PtrEntry(pWLS->vWireLoadModel, j) ); } } // Write 'cells' vector: n_valid_cells = 0; Vec_PtrForEachEntry( SC_Cell *, p->vCells, pCell, i ) - if ( !pCell->seq && !pCell->unsupp ) + if ( !(pCell->seq || pCell->unsupp) ) n_valid_cells++; Abc_SclPutI( vOut, n_valid_cells ); Vec_PtrForEachEntry( SC_Cell *, p->vCells, pCell, i ) { - SC_Pin * pPin; if ( pCell->seq || pCell->unsupp ) continue; @@ -224,13 +256,15 @@ static void Abc_SclWriteLibrary( Vec_Str_t * vOut, SC_Lib * p ) { SC_Timings * pRTime; word uWord; - assert(pPin->dir == sc_dir_Output); + assert(pPin->dir == sc_dir_Output); Abc_SclPutS( vOut, pPin->name ); Abc_SclPutF( vOut, pPin->max_out_cap ); Abc_SclPutF( vOut, pPin->max_out_slew ); - Abc_SclPutI( vOut, Vec_WrdSize(pPin->vFunc) ); + // write function + assert( Vec_WrdSize(pPin->vFunc) == Abc_Truth6WordNum(pCell->n_inputs) ); + Abc_SclPutI( vOut, pCell->n_inputs ); Vec_WrdForEachEntry( pPin->vFunc, uWord, k ) // -- 'size = 1u << (n_vars - 6)' Abc_SclPutW( vOut, uWord ); // -- 64-bit number, written uncompressed (low-byte first) @@ -268,9 +302,11 @@ void Abc_SclWrite( char * pFileName, SC_Lib * p ) if ( Vec_StrSize(vOut) > 0 ) { FILE * pFile = fopen( pFileName, "wb" ); - if ( pFile != NULL ) + if ( pFile == NULL ) + printf( "Cannot open file \"%s\" for writing.\n", pFileName ); + else { - fwrite( Vec_StrArray(vOut), Vec_StrSize(vOut), 1, pFile ); + fwrite( Vec_StrArray(vOut), 1, Vec_StrSize(vOut), pFile ); fclose( pFile ); } } @@ -309,22 +345,22 @@ static void Abc_SclReadSurface( Vec_Str_t * vOut, int * pPos, SC_Surface * p ) { vVec = Vec_FltAlloc( Vec_FltSize(p->vIndex1) ); Vec_PtrPush( p->vData, vVec ); - for ( j = 0; j < Vec_FltSize(p->vIndex0); j++ ) + for ( j = 0; j < Vec_FltSize(p->vIndex1); j++ ) Vec_FltPush( vVec, Abc_SclGetF(vOut, pPos) ); } for ( i = 0; i < 3; i++ ) - Abc_SclGetF( vOut, pPos ); + p->approx[0][i] = Abc_SclGetF( vOut, pPos ); for ( i = 0; i < 4; i++ ) - Abc_SclGetF( vOut, pPos ); + p->approx[1][i] = Abc_SclGetF( vOut, pPos ); for ( i = 0; i < 6; i++ ) - Abc_SclGetF( vOut, pPos ); + p->approx[2][i] = Abc_SclGetF( vOut, pPos ); } static void Abc_SclReadLibrary( Vec_Str_t * vOut, int * pPos, SC_Lib * p ) { int i, j, k, n; int version = Abc_SclGetI( vOut, pPos ); - assert( version == ABC_SCL_CUR_VERSION ); + assert( version == ABC_SCL_CUR_VERSION ); // wrong version of the file // Read non-composite fields: p->lib_name = Abc_SclGetS(vOut, pPos); @@ -332,9 +368,9 @@ static void Abc_SclReadLibrary( Vec_Str_t * vOut, int * pPos, SC_Lib * p ) p->default_wire_load_sel = Abc_SclGetS(vOut, pPos); p->default_max_out_slew = Abc_SclGetF(vOut, pPos); - p->unit_time = Abc_SclGetI(vOut, pPos); - p->unit_cap_float = Abc_SclGetF(vOut, pPos); - p->unit_cap_int = Abc_SclGetI(vOut, pPos); + p->unit_time = Abc_SclGetI(vOut, pPos); + p->unit_cap_fst = Abc_SclGetF(vOut, pPos); + p->unit_cap_snd = Abc_SclGetI(vOut, pPos); // Read 'wire_load' vector: for ( i = Abc_SclGetI(vOut, pPos); i != 0; i-- ) @@ -373,20 +409,19 @@ static void Abc_SclReadLibrary( Vec_Str_t * vOut, int * pPos, SC_Lib * p ) SC_Cell * pCell = Abc_SclCellAlloc(); Vec_PtrPush( p->vCells, pCell ); - pCell->name = Abc_SclGetS(vOut, pPos); - pCell->area = Abc_SclGetF(vOut, pPos); + pCell->name = Abc_SclGetS(vOut, pPos); + pCell->area = Abc_SclGetF(vOut, pPos); pCell->drive_strength = Abc_SclGetI(vOut, pPos); - pCell->n_inputs = Abc_SclGetI(vOut, pPos); - pCell->n_outputs = Abc_SclGetI(vOut, pPos); + pCell->n_inputs = Abc_SclGetI(vOut, pPos); + pCell->n_outputs = Abc_SclGetI(vOut, pPos); for ( j = 0; j < pCell->n_inputs; j++ ) { SC_Pin * pPin = Abc_SclPinAlloc(); Vec_PtrPush( pCell->vPins, pPin ); - pPin->dir = sc_dir_Input; - + pPin->dir = sc_dir_Input; pPin->name = Abc_SclGetS(vOut, pPos); pPin->rise_cap = Abc_SclGetF(vOut, pPos); pPin->fall_cap = Abc_SclGetF(vOut, pPos); @@ -397,14 +432,18 @@ static void Abc_SclReadLibrary( Vec_Str_t * vOut, int * pPos, SC_Lib * p ) SC_Pin * pPin = Abc_SclPinAlloc(); Vec_PtrPush( pCell->vPins, pPin ); - pPin->dir = sc_dir_Output; - + pPin->dir = sc_dir_Output; pPin->name = Abc_SclGetS(vOut, pPos); pPin->max_out_cap = Abc_SclGetF(vOut, pPos); pPin->max_out_slew = Abc_SclGetF(vOut, pPos); - Vec_WrdGrow( pPin->vFunc, Abc_SclGetI(vOut, pPos) ); - for ( k = 0; k < Vec_WrdSize(pPin->vFunc); k++ ) + k = Abc_SclGetI(vOut, pPos); + assert( k == pCell->n_inputs ); + + // read functions + assert( Vec_WrdSize(pPin->vFunc) == 0 ); + Vec_WrdGrow( pPin->vFunc, Abc_Truth6WordNum(pCell->n_inputs) ); + for ( k = 0; k < Vec_WrdCap(pPin->vFunc); k++ ) Vec_WrdPush( pPin->vFunc, Abc_SclGetW(vOut, pPos) ); // Read 'rtiming': (pin-to-pin timing tables for this particular output) @@ -413,9 +452,8 @@ static void Abc_SclReadLibrary( Vec_Str_t * vOut, int * pPos, SC_Lib * p ) SC_Timings * pRTime = Abc_SclTimingsAlloc(); Vec_PtrPush( pPin->vRTimings, pRTime ); - pRTime->name = Abc_SclGetS(vOut, pPos); - - n = Abc_SclGetI(vOut, pPos); assert(n <= 1); + pRTime->name = Abc_SclGetS(vOut, pPos); + n = Abc_SclGetI(vOut, pPos); assert( n <= 1 ); if ( n == 1 ) { SC_Timing * pTime = Abc_SclTimingAlloc(); @@ -453,7 +491,8 @@ SC_Lib * Abc_SclRead( char * pFileName ) // load the contents vOut = Vec_StrAlloc( nFileSize ); vOut->nSize = vOut->nCap; - nFileSize = fread( Vec_StrArray(vOut), Vec_StrSize(vOut), 1, pFile ); + assert( nFileSize == Vec_StrSize(vOut) ); + nFileSize = fread( Vec_StrArray(vOut), 1, Vec_StrSize(vOut), pFile ); assert( nFileSize == Vec_StrSize(vOut) ); fclose( pFile ); // read the library @@ -468,7 +507,7 @@ void Abc_SclLoad( char * pFileName, void ** ppScl ) if ( *ppScl ) { Abc_SclLibFree( *(SC_Lib **)ppScl ); - ppScl = NULL; + *ppScl = NULL; } assert( *ppScl == NULL ); if ( pFileName ) -- cgit v1.2.3