1    /*
2     * Some or all of this work - Copyright (c) 2006 - 2021, Intel Corp.
3     * All rights reserved.
4     *
5     * Redistribution and use in source and binary forms, with or without modification,
6     * are permitted provided that the following conditions are met:
7     *
8     * Redistributions of source code must retain the above copyright notice,
9     * this list of conditions and the following disclaimer.
10     * Redistributions in binary form must reproduce the above copyright notice,
11     * this list of conditions and the following disclaimer in the documentation
12     * and/or other materials provided with the distribution.
13     * Neither the name of Intel Corporation nor the names of its contributors
14     * may be used to endorse or promote products derived from this software
15     * without specific prior written permission.
16     *
17     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18     * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20     * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21     * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23     * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
25     * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
26     * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27     */
28    /*
29     * Bug 257:
30     *
31     * SUMMARY: Unexpected AE_AML_OPERAND_TYPE when the Object in Load is a Region Field
32     */
33    /*
34     * Original source code:
35     DefinitionBlock("ssdt.aml", "SSDT", 0x02, "Intel", "Many", 0x00000001)
36     {
37     Device(AUXD)
38     {
39     Method(M000)
40     {
41     Return ("\\AUXD.M000 ()")
42     }
43     }
44     }
45     */
46    Name (B257, Buffer (0x42)
47    {
48        /* 0000 */  0x53, 0x53, 0x44, 0x54, 0x42, 0x00, 0x00, 0x00,  // SSDTB...
49        /* 0008 */  0x02, 0x81, 0x49, 0x6E, 0x74, 0x65, 0x6C, 0x00,  // ..Intel.
50        /* 0010 */  0x4D, 0x61, 0x6E, 0x79, 0x00, 0x00, 0x00, 0x00,  // Many....
51        /* 0018 */  0x01, 0x00, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C,  // ....INTL
52        /* 0020 */  0x11, 0x10, 0x06, 0x20, 0x5B, 0x82, 0x1C, 0x41,  // ... [..A
53        /* 0028 */  0x55, 0x58, 0x44, 0x14, 0x16, 0x4D, 0x30, 0x30,  // UXD..M00
54        /* 0030 */  0x30, 0x00, 0xA4, 0x0D, 0x5C, 0x41, 0x55, 0x58,  // 0...\AUX
55        /* 0038 */  0x44, 0x2E, 0x4D, 0x30, 0x30, 0x30, 0x20, 0x28,  // D.M000 (
56        /* 0040 */  0x29, 0x00                                       // ).
57    })
58    Name (H257, 0x00)
59    OperationRegion (R257, SystemMemory, 0x00, 0x42)
60    Field (R257, ByteAcc, NoLock, Preserve)
61    {
62        F257,   528
63    }
64
65    Method (M17D, 0, NotSerialized)
66    {
67        External (\AUXD.M000, UnknownObj)
68        F257 = B257 /* \B257 */
69        If (CondRefOf (\AUXD, Local0))
70        {
71            ERR (__METHOD__, ZFFF, __LINE__, 0x00, 0x00, "\\AUXD", 0x01)
72            Return (Zero)
73        }
74
75        If (CH03 (__METHOD__, 0x00, __LINE__, 0x00, 0x00))
76        {
77            Return (Zero)
78        }
79
80        Load (F257, H257) /* \H257 */
81        If (CH03 (__METHOD__, 0x00, __LINE__, 0x00, 0x00))
82        {
83            Return (Zero)
84        }
85
86        If (CondRefOf (\AUXD, Local0)){}
87        Else
88        {
89            ERR (__METHOD__, ZFFF, __LINE__, 0x00, 0x00, "\\AUXD", 0x00)
90            Return (Zero)
91        }
92
93        Local1 = ObjectType (Local0)
94        If ((Local1 != 0x06))
95        {
96            ERR (__METHOD__, ZFFF, __LINE__, 0x00, 0x00, Local1, 0x06)
97            Return (Zero)
98        }
99
100        Local0 = ObjectType (\AUXD.M000)
101        If ((Local0 != 0x08))
102        {
103            ERR (__METHOD__, ZFFF, __LINE__, 0x00, 0x00, Local0, 0x08)
104            Return (Zero)
105        }
106
107        Unload (H257)
108        If (CondRefOf (\AUXD, Local0))
109        {
110            ERR (__METHOD__, ZFFF, __LINE__, 0x00, 0x00, "\\AUXD", 0x01)
111        }
112    }
113