80 lines
1.7 KiB
C
80 lines
1.7 KiB
C
/* sim-time.c -- stubs so clock can be linked in.
|
|
*
|
|
* Copyright (c) 2002 Red Hat, Inc
|
|
*
|
|
* 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 <errno.h>
|
|
#include <sys/time.h>
|
|
#include <sys/times.h>
|
|
#include "glue.h"
|
|
|
|
/*
|
|
* time -- simulator interface to return current time in seconds.
|
|
*/
|
|
__asm__ ("\
|
|
.text\n\
|
|
.globl _sim_time\n\
|
|
.type _sim_time,@function\n\
|
|
_sim_time:\n\
|
|
setlos #18, gr7\n\
|
|
tira gr0, #0\n\
|
|
ret\n\
|
|
.Lsim:\n\
|
|
.size _sim_time,.Lsim-_sim_time");
|
|
|
|
extern time_t _sim_time (void) __asm__("_sim_time");
|
|
|
|
|
|
/*
|
|
* time -- return current time in seconds.
|
|
*/
|
|
time_t
|
|
_DEFUN (time, time (t),
|
|
time_t *t)
|
|
{
|
|
time_t ret = _sim_time ();
|
|
|
|
if (t)
|
|
*t = ret;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* _times -- no clock, so return an error.
|
|
*/
|
|
int
|
|
_DEFUN (_times, _times (buf),
|
|
struct tms *buf)
|
|
{
|
|
errno = EINVAL;
|
|
return (-1);
|
|
}
|
|
|
|
/*
|
|
* _gettimeofday -- implement in terms of time, which means we can't return the
|
|
* microseconds.
|
|
*/
|
|
int
|
|
_DEFUN (_gettimeofday, _gettimeofday (tv, tz),
|
|
struct timeval *tv _AND
|
|
void *tzvp)
|
|
{
|
|
struct timezone *tz = tzvp;
|
|
if (tz)
|
|
tz->tz_minuteswest = tz->tz_dsttime = 0;
|
|
|
|
tv->tv_usec = 0;
|
|
tv->tv_sec = _sim_time ();
|
|
return 0;
|
|
}
|