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/* 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");
}
}
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