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 205 (local-bugzilla-346):
30     *
31     * SUMMARY: Store-to-Debug operation falls into infinite loop for ring of RefOf references
32     *
33     * Note: add verifications while sorting out and fixing the bug (CH03/CH04/..)
34     */
35    Method (M815, 0, NotSerialized)
36    {
37        Method (M000, 0, NotSerialized)
38        {
39            Local1 = RefOf (Local0)
40            Local2 = RefOf (Local1)
41            Local0 = RefOf (Local2)
42            Debug = Local0
43                /* RING_OF_REFS_EXCEPTION? */
44        }
45
46        M000 ()
47    }
48