/* $NetBSD: efidelay.c,v 1.2 2018/03/27 14:15:05 nonaka Exp $ */
/*-
* Copyright (c) 2016 Kimihiro Nonaka <
[email protected]>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "efiboot.h"
void
delay(int us)
{
EFI_STATUS status;
CHAR16 errmsg[128];
char *uerrmsg;
int rv;
status = uefi_call_wrapper(BS->Stall, 1, us);
if (EFI_ERROR(status)) {
StatusToString(errmsg, status);
uerrmsg = NULL;
rv = ucs2_to_utf8(errmsg, &uerrmsg);
if (rv)
uerrmsg = "";
panic("couldn't delay %d us: %s(%" PRIxMAX ")\n", us, uerrmsg,
(uintmax_t)status);
if (rv == 0)
FreePool(uerrmsg);
}
}
void
wait_sec(int sec)
{
while (sec-- > 0)
delay(1000 * 1000);
}