2 * Copyright (c) 2001 Peter Wemm <peter@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $FreeBSD: src/sys/boot/efi/libefi/efifpswa.c,v 1.1 2001/11/19 07:09:47 peter Exp $
27 * $DragonFly: src/sys/boot/efi/libefi/efifpswa.c,v 1.1 2003/11/10 06:08:33 dillon Exp $
30 #include <sys/param.h>
41 fpswa_init(u_int64_t *fpswa_interface)
44 static EFI_GUID fpswaid = EFI_INTEL_FPSWA;
46 EFI_HANDLE fpswa_handle;
47 FPSWA_INTERFACE *fpswa;
50 sz = sizeof(EFI_HANDLE);
51 status = BS->LocateHandle(ByProtocol, &fpswaid, 0, &sz, &fpswa_handle);
52 if (EFI_ERROR(status))
55 status = BS->HandleProtocol(fpswa_handle, &fpswaid, (VOID **)&fpswa);
56 if (EFI_ERROR(status))
58 *fpswa_interface = (u_int64_t)fpswa;