newlib/libgloss/nios2/io-gettimeofday.c

55 lines
1.4 KiB
C

/*
* io-gettimeofday.c --
*
* Copyright (c) 2006 CodeSourcery Inc
* Copyright (c) 2018 Mentor Graphics
*
* 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/time.h>
#include <errno.h>
#define IO gettimeofday
#include "io.h"
/*
* gettimeofday -- get the current time
* input parameters:
* 0 : timeval ptr
* output parameters:
* 0 : result
* 1 : errno
*/
int gettimeofday (struct timeval *tv, void *tzvp)
{
#if HOSTED
gdb_parambuf_t parameters;
struct gdb_timeval gtv;
struct timezone *tz = tzvp;
if (!tv)
return 0;
if (tz)
{
errno = EINVAL;
return -1;
}
parameters[0] = (uint32_t) &gtv;
__io_hosted (HOSTED_GETTIMEOFDAY, parameters);
__hosted_from_gdb_timeval (&gtv, tv);
errno = __hosted_from_gdb_errno (parameters[1]);
return parameters[0];
#else
errno = ENOSYS;
return -1;
#endif
}