delay.c revision 1.2.2.2 1 1.2.2.2 simonb /* $NetBSD: delay.c,v 1.2.2.2 2006/04/22 11:37:39 simonb Exp $ */
2 1.2.2.2 simonb
3 1.2.2.2 simonb /*-
4 1.2.2.2 simonb * Copyright (c) 2001 Doug Rabson
5 1.2.2.2 simonb * All rights reserved.
6 1.2.2.2 simonb *
7 1.2.2.2 simonb * Redistribution and use in source and binary forms, with or without
8 1.2.2.2 simonb * modification, are permitted provided that the following conditions
9 1.2.2.2 simonb * are met:
10 1.2.2.2 simonb * 1. Redistributions of source code must retain the above copyright
11 1.2.2.2 simonb * notice, this list of conditions and the following disclaimer.
12 1.2.2.2 simonb * 2. Redistributions in binary form must reproduce the above copyright
13 1.2.2.2 simonb * notice, this list of conditions and the following disclaimer in the
14 1.2.2.2 simonb * documentation and/or other materials provided with the distribution.
15 1.2.2.2 simonb *
16 1.2.2.2 simonb * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 1.2.2.2 simonb * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 1.2.2.2 simonb * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 1.2.2.2 simonb * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 1.2.2.2 simonb * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 1.2.2.2 simonb * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 1.2.2.2 simonb * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 1.2.2.2 simonb * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 1.2.2.2 simonb * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 1.2.2.2 simonb * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 1.2.2.2 simonb * SUCH DAMAGE.
27 1.2.2.2 simonb */
28 1.2.2.2 simonb
29 1.2.2.2 simonb #include <sys/cdefs.h>
30 1.2.2.2 simonb
31 1.2.2.2 simonb #include <efi.h>
32 1.2.2.2 simonb #include <efilib.h>
33 1.2.2.2 simonb
34 1.2.2.2 simonb void
35 1.2.2.2 simonb delay(int usecs)
36 1.2.2.2 simonb {
37 1.2.2.2 simonb static EFI_EVENT ev = 0;
38 1.2.2.2 simonb UINTN junk;
39 1.2.2.2 simonb
40 1.2.2.2 simonb if (!ev) {
41 1.2.2.2 simonb if (BS->CreateEvent(EVT_TIMER, TPL_APPLICATION, 0, 0, &ev)
42 1.2.2.2 simonb != EFI_SUCCESS)
43 1.2.2.2 simonb return;
44 1.2.2.2 simonb }
45 1.2.2.2 simonb
46 1.2.2.2 simonb BS->SetTimer(ev, TimerRelative, usecs * 10);
47 1.2.2.2 simonb BS->WaitForEvent(1, &ev, &junk);
48 1.2.2.2 simonb }
49