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Commit 19d50b98 by Alan Mishchenko
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New package to read/write a subset of Liberty for STA.

parent 2a7a06b6
Showing with 100 additions and 50 deletions
src/map/scl/scl.c
......@@ -102,14 +102,14 @@ int Scl_CommandRead( Abc_Frame_t * pAbc, int argc, char ** argv )
// get the input file name
pFileName = argv[globalUtilOptind];
if ( (pFile = fopen( pFileName, "r" )) == NULL )
if ( (pFile = fopen( pFileName, "rb" )) == NULL )
{
fprintf( pAbc->Err, "Cannot open input file \"%s\". \n", pFileName );
return 1;
}
fclose( pFile );
// set the new network
// read new library
Abc_SclLoad( pFileName, &pAbc->pLibScl );
return 0;
......@@ -134,6 +134,7 @@ usage:
***********************************************************************/
int Scl_CommandWrite( Abc_Frame_t * pAbc, int argc, char **argv )
{
FILE * pFile;
char * pFileName;
int c;
......@@ -157,6 +158,14 @@ int Scl_CommandWrite( Abc_Frame_t * pAbc, int argc, char **argv )
}
// get the input file name
pFileName = argv[globalUtilOptind];
if ( (pFile = fopen( pFileName, "wb" )) == NULL )
{
fprintf( pAbc->Err, "Cannot open output file \"%s\". \n", pFileName );
return 1;
}
fclose( pFile );
// save current library
Abc_SclSave( pFileName, pAbc->pLibScl );
return 0;
......
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);
......@@ -333,8 +369,8 @@ static void Abc_SclReadLibrary( Vec_Str_t * vOut, int * pPos, SC_Lib * p )
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_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-- )
......@@ -386,7 +422,6 @@ static void Abc_SclReadLibrary( Vec_Str_t * vOut, int * pPos, SC_Lib * p )
Vec_PtrPush( pCell->vPins, pPin );
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);
......@@ -398,13 +433,17 @@ static void Abc_SclReadLibrary( Vec_Str_t * vOut, int * pPos, SC_Lib * p )
Vec_PtrPush( pCell->vPins, pPin );
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)
......@@ -414,8 +453,7 @@ static void Abc_SclReadLibrary( Vec_Str_t * vOut, int * pPos, SC_Lib * p )
Vec_PtrPush( pPin->vRTimings, pRTime );
pRTime->name = Abc_SclGetS(vOut, pPos);
n = Abc_SclGetI(vOut, pPos); assert(n <= 1);
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 )
......
src/map/scl/sclInt.h
......@@ -101,6 +101,7 @@ struct SC_Surface_
Vec_Flt_t * vIndex0; // Vec<float> -- correspondes to "index_1" in the liberty file (for timing: slew)
Vec_Flt_t * vIndex1; // Vec<float> -- correspondes to "index_2" in the liberty file (for timing: load)
Vec_Ptr_t * vData; // Vec<Vec<float> > -- 'data[i0][i1]' gives value at '(index0[i0], index1[i1])'
float approx[3][6];
};
struct SC_Timing_
......@@ -153,8 +154,8 @@ struct SC_Lib_
char * default_wire_load_sel;
float default_max_out_slew; // -- 'default_max_transition'; this is copied to each output pin where 'max_transition' is not defined
int unit_time; // -- Valid 9..12. Unit is '10^(-val)' seconds (e.g. 9=1ns, 10=100ps, 11=10ps, 12=1ps)
float unit_cap_float; // -- First part is a multiplier, second either 12 or 15 for 'pf' or 'ff'.
int unit_cap_int;
float unit_cap_fst; // -- First part is a multiplier, second either 12 or 15 for 'pf' or 'ff'.
int unit_cap_snd;
Vec_Ptr_t * vWireLoads; // NamedSet<SC_WireLoad>
Vec_Ptr_t * vWireLoadSels; // NamedSet<SC_WireLoadSel>
Vec_Ptr_t * vTempls; // NamedSet<SC_TableTempl>
......@@ -229,8 +230,8 @@ static inline SC_Pin * Abc_SclPinAlloc()
SC_Pin * p;
p = ABC_CALLOC( SC_Pin, 1 );
p->max_out_slew = -1;
p->vRTimings = Vec_PtrAlloc( 0 );
p->vFunc = Vec_WrdAlloc( 0 );
p->vRTimings = Vec_PtrAlloc( 0 );
return p;
}
static inline SC_Cell * Abc_SclCellAlloc()
......@@ -246,8 +247,8 @@ static inline SC_Lib * Abc_SclLibAlloc()
p = ABC_CALLOC( SC_Lib, 1 );
p->default_max_out_slew = -1;
p->unit_time = 9;
p->unit_cap_float = 1;
p->unit_cap_int = 12;
p->unit_cap_fst = 1;
p->unit_cap_snd = 12;
p->vWireLoads = Vec_PtrAlloc( 0 );
p->vWireLoadSels = Vec_PtrAlloc( 0 );
p->vTempls = Vec_PtrAlloc( 0 );
......
src/misc/util/abc_global.h
......@@ -242,6 +242,7 @@ static inline int Abc_Base16Log( unsigned n ) { int r; if ( n <
static inline char * Abc_UtilStrsav( char * s ) { return s ? strcpy(ABC_ALLOC(char, strlen(s)+1), s) : NULL; }
static inline int Abc_BitWordNum( int nBits ) { return (nBits>>5) + ((nBits&31) > 0); }
static inline int Abc_TruthWordNum( int nVars ) { return nVars <= 5 ? 1 : (1 << (nVars - 5)); }
static inline int Abc_Truth6WordNum( int nVars ) { return nVars <= 6 ? 1 : (1 << (nVars - 6)); }
static inline int Abc_InfoHasBit( unsigned * p, int i ) { return (p[(i)>>5] & (1<<((i) & 31))) > 0; }
static inline void Abc_InfoSetBit( unsigned * p, int i ) { p[(i)>>5] |= (1<<((i) & 31)); }
static inline void Abc_InfoXorBit( unsigned * p, int i ) { p[(i)>>5] ^= (1<<((i) & 31)); }
......
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