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Diffstat (limited to 'libgloss/m68k/mc68ec.c')
-rw-r--r-- | libgloss/m68k/mc68ec.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/libgloss/m68k/mc68ec.c b/libgloss/m68k/mc68ec.c new file mode 100644 index 000000000..d5ee9b5fe --- /dev/null +++ b/libgloss/m68k/mc68ec.c @@ -0,0 +1,48 @@ +/* mc68ec.c -- Low level support for the Motorola mc68ec0x0 board. + * Written by rob@cygnus.com (Rob Savoye) + * + * Copyright (c) 1995 Cygnus Support + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ +#include <sys/types.h> +#include <sys/stat.h> +#include <_ansi.h> +#include <errno.h> +#include "leds.h" + +/* + * _exit -- exit the running program. We just cause an exception + * which makes the program return to the boot monitor + * prompt. It can be restarted from there. + */ +void +_DEFUN (_exit, (status), + int_status) +{ + /* Use `i' constraint to get proper immediate-operand syntax for + target assembler configuration. */ + asm ("trap %0" : : "i" (0)); /* seems to be a harmless vector number */ +} + +/* + * delay -- delay execution. This is an ugly hack. It should + * use the timer, but I'm waiting for docs. (sigh) + */ +void +_DEFUN (delay, (num), + int num) +{ + while (num--) + { + asm ("nop"); + } +} |