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/*-
* Copyright (c) 2001 Peter Wemm <peter@FreeBSD.org>
* 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 AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/time.h>
#include <stddef.h>
#include <stand.h>
#include <stdarg.h>
#include <efi.h>
#include <efilib.h>
#include "efiboot.h"
int
fpswa_init(u_int64_t *fpswa_interface)
{
EFI_STATUS status;
static EFI_GUID fpswaid = EFI_INTEL_FPSWA;
UINTN sz;
EFI_HANDLE fpswa_handle;
FPSWA_INTERFACE *fpswa;
*fpswa_interface = 0;
sz = sizeof(EFI_HANDLE);
status = BS->LocateHandle(ByProtocol, &fpswaid, 0, &sz, &fpswa_handle);
if (EFI_ERROR(status))
return ENOENT;
status = BS->HandleProtocol(fpswa_handle, &fpswaid, (VOID **)&fpswa);
if (EFI_ERROR(status))
return ENOENT;
*fpswa_interface = (u_int64_t)fpswa;
return 0;
}
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