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 247:
30     *
31     * SUMMARY: ASL compiler incorrectly implements Break within Switch
32     */
33    Method (M17C, 0, Serialized)
34    {
35        Name (ERRN, 0x00)
36        Method (M000, 3, Serialized)
37        {
38            Name (CH10, 0x00)
39            Name (CH11, 0x00)
40            Name (CH20, 0x00)
41            Name (CH21, 0x00)
42            Debug = Arg0
43            Local0 = 0x02
44            While (Local0)
45            {
46                If (CH03 (__METHOD__, 0x00, __LINE__, 0x00, 0x00))
47                {
48                    Return (Zero)
49                }
50
51                ERRN++
52                Switch (Local0)
53                {
54                    Case (0x01)
55                    {
56                        If (Arg1)
57                        {
58                            CH10 = 0x01
59                            Break
60                        }
61
62                        CH11 = 0x01
63                    }
64                    Case (0x02)
65                    {
66                        If (Arg2)
67                        {
68                            CH20 = 0x01
69                            Break
70                        }
71
72                        CH21 = 0x01
73                    }
74
75                }
76
77                If (CH03 (__METHOD__, 0x00, __LINE__, 0x00, 0x00))
78                {
79                    Return (Zero)
80                }
81
82                ERRN++
83                Local0--
84            }
85
86            If ((CH10 != Arg1))
87            {
88                ERR (__METHOD__, ZFFF, __LINE__, 0x00, 0x00, CH10, Arg1)
89            }
90
91            ERRN++
92            If ((CH11 == Arg1))
93            {
94                ERR (__METHOD__, ZFFF, __LINE__, 0x00, 0x00, CH11, Arg1)
95            }
96
97            ERRN++
98            If ((CH20 != Arg2))
99            {
100                ERR (__METHOD__, ZFFF, __LINE__, 0x00, 0x00, CH20, Arg2)
101            }
102
103            ERRN++
104            If ((CH21 == Arg2))
105            {
106                ERR (__METHOD__, ZFFF, __LINE__, 0x00, 0x00, CH21, Arg2)
107            }
108
109            ERRN++
110        }
111
112        M000 ("No Breaks", 0x00, 0x00)
113        M000 ("Break 2", 0x00, 0x01)
114        M000 ("Break 1", 0x01, 0x00)
115        M000 ("2 Breaks", 0x01, 0x01)
116    }
117