OsdEnvironment.c revision 99149 
1/*-
2 * Copyright (c) 2000,2001 Michael Smith
3 * Copyright (c) 2000 BSDi
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 *	$FreeBSD: head/sys/ia64/acpica/OsdEnvironment.c 99149 2002-06-30 17:53:12Z iwasaki $
28 */
29
30/*
31 * 6.1 : Environmental support
32 */
33
34#include "acpi.h"
35
36extern u_int64_t ia64_efi_acpi_table;
37extern u_int64_t ia64_efi_acpi20_table;
38
39ACPI_STATUS
40AcpiOsInitialize(void)
41{
42
43	return(NULL);
44}
45
46ACPI_STATUS
47AcpiOsTerminate(void)
48{
49
50	return(NULL);
51}
52
53ACPI_STATUS
54AcpiOsGetRootPointer(UINT32 Flags, ACPI_POINTER *RsdpAddress)
55{
56
57	if (ia64_efi_acpi20_table) {
58		RsdpAddress->PointerType = ACPI_PHYSICAL_POINTER;
59		RsdpAddress->Pointer.Physical = ia64_efi_acpi20_table;
60
61	}
62	else if (ia64_efi_acpi_table) {
63		RsdpAddress->PointerType = ACPI_PHYSICAL_POINTER;
64		RsdpAddress->Pointer.Physical = ia64_efi_acpi_table;
65	}
66	else
67		return(AE_NOT_FOUND);
68
69	return(AE_OK);
70}
71