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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [trunk/] [rtos/] [rtems/] [tools/] [cpu/] [sh/] [shgen.c] - Rev 272
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/* * Copyright (c) 1998,1999,2000 Ralf Corsepius (corsepiu@faw.uni-ulm.de) * * See the file COPYING for copyright notice. */ #include <stdio.h> #include <string.h> /* strcmp, strerror */ #include <errno.h> #include <getopt.h> #include "sci.h" static void usage( FILE* ofile, char *prog ) { fprintf( ofile, "Usage: %s [options] driver\n", prog ); fprintf( ofile, "\nOptions:\n" ); fprintf( ofile, "Processor frequency (default 20MHz):\n") ; fprintf( ofile, "\t-M Phi .. processor frequency [MHz]\n" ); fprintf( ofile, "\t-K Phi .. processor frequency [KHz]\n" ); fprintf( ofile, "\t-H Phi .. processor frequency [Hz]\n" ); fprintf( ofile, "Driver:\n" ); fprintf( ofile, "\tsci .. bitrate table for sci\n" ); fprintf( ofile, "\nWritten by Ralf Corsepius <corsepiu@faw.uni-ulm.de>\n" ); fprintf( ofile, "\nCopyright (c) 1998,1999,2000\tRalf Corsepius\n" ); } #if HAVE_GETOPT_LONG #define NOARG 0 #define HASARG 1 #define OPTARG 2 static struct option long_options[] = { { "version", NOARG, NULL, 'v' }, { "help", NOARG, NULL, 'h' }, { "mega-hertz", HASARG, NULL, 'M' }, { "kilo-hertz", HASARG, NULL, 'K' }, { "hertz", HASARG, NULL, 'H' }, { 0, 0, 0, 0 } }; #endif static void shgen_header( FILE *file ) { fprintf( file, "/*\n * DO NOT EDIT - this file is automatically generated by shgen %s\n", VERSION ); fprintf( file, " * Copyright (c) 1998,1999,2000 Ralf Corsepius (corsepiu@faw.uni-ulm.de)\n */\n" ); fprintf( file, "\n/* This file is not copyrighted */\n\n" ); } int main( int argc, char *argv[] ) { double Phi = 20.0 ; #if HAVE_GETOPT_LONG int option_index = 0 ; while( ( optopt = getopt_long( argc, argv, "M:K:H:hv", long_options, &option_index ) ) > 0 ) #else while ( ( optopt = getopt( argc, argv, "M:K:H:hv" ) ) > 0 ) #endif { switch ( optopt ) { case 'M' : sscanf( optarg, "%lf", &Phi ); Phi = Phi * 1000000.0; break ; case 'K' : sscanf( optarg, "%lf", &Phi ); Phi = Phi * 1000.0; break ; case 'H' : sscanf( optarg, "%lf", &Phi ); break ; case 'h' : usage( stdout, argv[0] ); exit(0); case 'v' : fprintf( stdout, "%s version %s\n", argv[0], VERSION ); exit(0); default : usage( stderr, argv[0] ); exit(1); break ; } } if ( argc - optind != 1 ) { fprintf( stderr, "%s: Missing argument: driver\n", argv[0] ); exit(1); } shgen_header( stdout ); if ( strcmp( argv[optind], "sci" ) == 0 ) { shgen_gensci( stdout, Phi ); } else { fprintf( stderr, "%s: Invalid argument: driver\n", argv[0] ); exit(1); } return 0 ; }
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