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abc/src/map/fpga/fpga.c

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/**CFile****************************************************************
FileName [fpga.c]
PackageName [MVSIS 1.3: Multi-valued logic synthesis system.]
Synopsis [Command file for the FPGA package.]
Author [MVSIS Group]
Affiliation [UC Berkeley]
Date [Ver. 2.0. Started - August 18, 2004.]
Revision [$Id: fpga.c,v 1.4 2004/10/28 17:36:07 alanmi Exp $]
***********************************************************************/
#include "fpgaInt.h"
#include "main.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
static int Fpga_CommandReadLibrary( Abc_Frame_t * pAbc, int argc, char **argv );
static int Fpga_CommandPrintLibrary( Abc_Frame_t * pAbc, int argc, char **argv );
// the library file format should be as follows:
/*
# The area/delay of k-variable LUTs:
# k area delay
1 1 1
2 2 2
3 4 3
4 8 4
5 16 5
6 32 6
*/
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Package initialization procedure.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Fpga_Init( Abc_Frame_t * pAbc )
{
// set the default library
//Fpga_LutLib_t s_LutLib = { "lutlib", 6, {0,1,2,4,8,16,32}, {0,1,2,3,4,5,6} };
// Fpga_LutLib_t s_LutLib = { "lutlib", 5, {0,1,1,1,1,1}, {0,1,1,1,1,1} };
Fpga_LutLib_t s_LutLib = { "lutlib", 4, {0,1,1,1,1}, {0,1,1,1,1} };
//Fpga_LutLib_t s_LutLib = { "lutlib", 3, {0,1,1,1}, {0,1,1,1} };
Abc_FrameSetLibLut( Fpga_LutLibDup(&s_LutLib) );
Cmd_CommandAdd( pAbc, "FPGA mapping", "read_lut", Fpga_CommandReadLibrary, 0 );
Cmd_CommandAdd( pAbc, "FPGA mapping", "print_lut", Fpga_CommandPrintLibrary, 0 );
}
/**Function*************************************************************
Synopsis [Package ending procedure.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Fpga_End()
{
Fpga_LutLibFree( Abc_FrameReadLibLut() );
}
/**Function*************************************************************
Synopsis [Command procedure to read LUT libraries.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Fpga_CommandReadLibrary( Abc_Frame_t * pAbc, int argc, char **argv )
{
FILE * pFile;
FILE * pOut, * pErr;
Fpga_LutLib_t * pLib;
Abc_Ntk_t * pNet;
char * FileName;
int fVerbose;
int c;
pNet = Abc_FrameReadNtk(pAbc);
pOut = Abc_FrameReadOut(pAbc);
pErr = Abc_FrameReadErr(pAbc);
// set the defaults
fVerbose = 1;
Extra_UtilGetoptReset();
while ( (c = Extra_UtilGetopt(argc, argv, "vh")) != EOF )
{
switch (c)
{
case 'v':
fVerbose ^= 1;
break;
case 'h':
goto usage;
break;
default:
goto usage;
}
}
if ( argc != globalUtilOptind + 1 )
{
goto usage;
}
// get the input file name
FileName = argv[globalUtilOptind];
if ( (pFile = fopen( FileName, "r" )) == NULL )
{
fprintf( pErr, "Cannot open input file \"%s\". ", FileName );
if ( FileName = Extra_FileGetSimilarName( FileName, ".genlib", ".lib", ".gen", ".g", NULL ) )
fprintf( pErr, "Did you mean \"%s\"?", FileName );
fprintf( pErr, "\n" );
return 1;
}
fclose( pFile );
// set the new network
pLib = Fpga_LutLibCreate( FileName, fVerbose );
if ( pLib == NULL )
{
fprintf( pErr, "Reading LUT library has failed.\n" );
goto usage;
}
// replace the current library
Fpga_LutLibFree( Abc_FrameReadLibLut() );
Abc_FrameSetLibLut( pLib );
return 0;
usage:
fprintf( pErr, "\nusage: read_lut [-vh]\n");
fprintf( pErr, "\t read the LUT library from the file\n" );
fprintf( pErr, "\t-v : toggles enabling of verbose output [default = %s]\n", (fVerbose? "yes" : "no") );
fprintf( pErr, "\t-h : print the command usage\n");
fprintf( pErr, "\t \n");
fprintf( pErr, "\t File format for a LUT library:\n");
fprintf( pErr, "\t (the default library is shown)\n");
fprintf( pErr, "\t \n");
fprintf( pErr, "\t # The area/delay of k-variable LUTs:\n");
fprintf( pErr, "\t # k area delay\n");
fprintf( pErr, "\t 1 1 1\n");
fprintf( pErr, "\t 2 2 2\n");
fprintf( pErr, "\t 3 4 3\n");
fprintf( pErr, "\t 4 8 4\n");
fprintf( pErr, "\t 5 16 5\n");
fprintf( pErr, "\t 6 32 6\n");
return 1; /* error exit */
}
/**Function*************************************************************
Synopsis [Command procedure to read LUT libraries.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Fpga_CommandPrintLibrary( Abc_Frame_t * pAbc, int argc, char **argv )
{
FILE * pOut, * pErr;
Abc_Ntk_t * pNet;
int fVerbose;
int c;
pNet = Abc_FrameReadNtk(pAbc);
pOut = Abc_FrameReadOut(pAbc);
pErr = Abc_FrameReadErr(pAbc);
// set the defaults
fVerbose = 1;
Extra_UtilGetoptReset();
while ( (c = Extra_UtilGetopt(argc, argv, "vh")) != EOF )
{
switch (c)
{
case 'v':
fVerbose ^= 1;
break;
case 'h':
goto usage;
break;
default:
goto usage;
}
}
if ( argc != globalUtilOptind )
{
goto usage;
}
// set the new network
Fpga_LutLibPrint( Abc_FrameReadLibLut() );
return 0;
usage:
fprintf( pErr, "\nusage: read_print [-vh]\n");
fprintf( pErr, "\t print the current LUT library\n" );
fprintf( pErr, "\t-v : toggles enabling of verbose output [default = %s]\n", (fVerbose? "yes" : "no") );
fprintf( pErr, "\t-h : print the command usage\n");
return 1; /* error exit */
}
/**Function*************************************************************
Synopsis [Sets simple LUT library.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Fpga_SetSimpleLutLib( int nLutSize )
{
Fpga_LutLib_t s_LutLib10= { "lutlib",10, {0,1,1,1,1,1,1,1,1,1,1}, {0,1,1,1,1,1,1,1,1,1,1} };
Fpga_LutLib_t s_LutLib9 = { "lutlib", 9, {0,1,1,1,1,1,1,1,1,1}, {0,1,1,1,1,1,1,1,1,1} };
Fpga_LutLib_t s_LutLib8 = { "lutlib", 8, {0,1,1,1,1,1,1,1,1}, {0,1,1,1,1,1,1,1,1} };
Fpga_LutLib_t s_LutLib7 = { "lutlib", 7, {0,1,1,1,1,1,1,1}, {0,1,1,1,1,1,1,1} };
Fpga_LutLib_t s_LutLib6 = { "lutlib", 6, {0,1,1,1,1,1,1}, {0,1,1,1,1,1,1} };
Fpga_LutLib_t s_LutLib5 = { "lutlib", 5, {0,1,1,1,1,1}, {0,1,1,1,1,1} };
Fpga_LutLib_t s_LutLib4 = { "lutlib", 4, {0,1,1,1,1}, {0,1,1,1,1} };
Fpga_LutLib_t s_LutLib3 = { "lutlib", 3, {0,1,1,1}, {0,1,1,1} };
Fpga_LutLib_t * pLutLib;
assert( nLutSize >= 3 && nLutSize <= 10 );
switch ( nLutSize )
{
case 3: pLutLib = &s_LutLib3; break;
case 4: pLutLib = &s_LutLib4; break;
case 5: pLutLib = &s_LutLib5; break;
case 6: pLutLib = &s_LutLib6; break;
case 7: pLutLib = &s_LutLib7; break;
case 8: pLutLib = &s_LutLib8; break;
case 9: pLutLib = &s_LutLib9; break;
case 10: pLutLib = &s_LutLib10; break;
default: pLutLib = NULL; break;
}
if ( pLutLib == NULL )
return;
Fpga_LutLibFree( Abc_FrameReadLibLut() );
Abc_FrameSetLibLut( Fpga_LutLibDup(pLutLib) );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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