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Diffstat (limited to 'src/map/fpga/fpga.c')
| -rw-r--r-- | src/map/fpga/fpga.c | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/src/map/fpga/fpga.c b/src/map/fpga/fpga.c new file mode 100644 index 00000000..40423f4f --- /dev/null +++ b/src/map/fpga/fpga.c @@ -0,0 +1,283 @@ +/**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, {0,1,2,4,8,16,32}, {{0},{1},{2},{3},{4},{5},{6}} }; +// Fpga_LutLib_t s_LutLib = { "lutlib", 5, 0, {0,1,1,1,1,1}, {{0},{1},{1},{1},{1},{1}} }; + Fpga_LutLib_t s_LutLib = { "lutlib", 4, 0, {0,1,1,1,1}, {{0},{1},{1},{1},{1}} }; + //Fpga_LutLib_t s_LutLib = { "lutlib", 3, 0, {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, {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, {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, {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, {0,1,1,1,1,1,1,1}, {{0},{1},{1},{1},{1},{1},{1},{1}} }; + Fpga_LutLib_t s_LutLib6 = { "lutlib", 6, 0, {0,1,1,1,1,1,1}, {{0},{1},{1},{1},{1},{1},{1}} }; + Fpga_LutLib_t s_LutLib5 = { "lutlib", 5, 0, {0,1,1,1,1,1}, {{0},{1},{1},{1},{1},{1}} }; + Fpga_LutLib_t s_LutLib4 = { "lutlib", 4, 0, {0,1,1,1,1}, {{0},{1},{1},{1},{1}} }; + Fpga_LutLib_t s_LutLib3 = { "lutlib", 3, 0, {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 /// +//////////////////////////////////////////////////////////////////////// + + |