diff options
Diffstat (limited to '')
-rw-r--r-- | tools/cpu/sh/shgen.c | 78 |
1 files changed, 58 insertions, 20 deletions
diff --git a/tools/cpu/sh/shgen.c b/tools/cpu/sh/shgen.c index c101388ad8..6fc262d694 100644 --- a/tools/cpu/sh/shgen.c +++ b/tools/cpu/sh/shgen.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 1998-1999 Ralf Corsepius (corsepiu@faw.uni-ulm.de) + * Copyright (c) 1998,1999,2000 Ralf Corsepius (corsepiu@faw.uni-ulm.de) * * See the file COPYING for copyright notice. */ @@ -11,25 +11,44 @@ #include "sci.h" -static void usage( char *prog ) +static void usage( FILE* ofile, char *prog ) { - fprintf( stderr, "usage: %s [options] driver\n", prog ); - fprintf( stderr, "options:\n" ); - fprintf( stderr, "\t-M Phi .. processor frequency [MHz]\n" ); - fprintf( stderr, "\t-K Phi .. processor frequency [KHz]\n" ); - fprintf( stderr, "\t-H Phi .. processor frequency [Hz]\n" ); - fprintf( stderr, "\t\t..default 20MHz" ); - fprintf( stderr, "driver:\n" ); - fprintf( stderr, "\tsci .. bitrate table for sci\n" ); - exit ( 1 ); + 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 0.3\n" ); + "/*\n * DO NOT EDIT - this file is automatically generated by shgen %s\n", + VERSION ); fprintf( file, - " * Copyright (c) 1998-1999, Ralf Corsepius (corsepiu@faw.uni-ulm.de)\n */\n" ); + " * Copyright (c) 1998,1999,2000 Ralf Corsepius (corsepiu@faw.uni-ulm.de)\n */\n" ); fprintf( file, "\n/* This file is not copyrighted */\n\n" ); } @@ -37,8 +56,14 @@ static void shgen_header( FILE *file ) int main( int argc, char *argv[] ) { double Phi = 20.0 ; - - while ( ( optopt = getopt( argc, argv, "M:K:H:" ) ) > 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 ) { @@ -51,17 +76,27 @@ int main( int argc, char *argv[] ) Phi = Phi * 1000.0; break ; case 'H' : - sscanf( optarg, "%lf", &Phi ); + 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( argv[0] ); + usage( stderr, argv[0] ); + exit(1); break ; } } if ( argc - optind != 1 ) - usage( argv[0] ); - + { + fprintf( stderr, "%s: Missing argument: driver\n", argv[0] ); + exit(1); + } + shgen_header( stdout ); if ( strcmp( argv[optind], "sci" ) == 0 ) @@ -69,7 +104,10 @@ int main( int argc, char *argv[] ) shgen_gensci( stdout, Phi ); } else - usage( argv[0] ); + { + fprintf( stderr, "%s: Invalid argument: driver\n", argv[0] ); + exit(1); + } return 0 ; } |