1/* $NetBSD: efifpswa.c,v 1.5 2016/08/04 18:07:43 scole Exp $ */ 2 3/*- 4 * Copyright (c) 2001 Peter Wemm <peter@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#include <sys/cdefs.h> 30/* __FBSDID("$FreeBSD: src/sys/boot/efi/libefi/efifpswa.c,v 1.2 2004/01/04 23:28:16 obrien Exp $"); */ 31 32#include <sys/param.h> 33#include <sys/time.h> 34#include <lib/libsa/stand.h> 35#include <lib/libsa/loadfile.h> 36 37#include <efi.h> 38#include <efilib.h> 39#include <efifpswa.h> 40 41#include <bootstrap.h> 42#include "efiboot.h" 43 44int 45fpswa_init(u_int64_t *fpswa_interface) 46{ 47 EFI_STATUS status; 48 static EFI_GUID fpswaid = EFI_INTEL_FPSWA; 49 UINTN sz; 50 EFI_HANDLE fpswa_handle; 51 FPSWA_INTERFACE *fpswa; 52 53 *fpswa_interface = 0; 54 sz = sizeof(EFI_HANDLE); 55 status = BS->LocateHandle(ByProtocol, &fpswaid, 0, &sz, &fpswa_handle); 56 if (EFI_ERROR(status)) 57 return ENOENT; 58 59 status = BS->HandleProtocol(fpswa_handle, &fpswaid, (VOID **)&fpswa); 60 if (EFI_ERROR(status)) 61 return ENOENT; 62 *fpswa_interface = (u_int64_t)fpswa; 63 return 0; 64} 65