1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/*
* Some or all of this work - Copyright (c) 2006 - 2009, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Bug 243:
*
* SUMMARY: The normal work with mutexes is broken after the mutex Release order violation
*/
Method(m02f)
{
Mutex(T500, 5)
Mutex(T600, 6)
Mutex(T700, 7)
Method(m000)
{
Store("******** Test started", Debug)
/* (1) */
Store("Acquiring mutex of level 5:", Debug)
Store(Acquire(T500, 0xffff), Local0)
if (Local0) {
Store("!!!!!!!! ERROR 0: Acquire T500 (Level 5, index 0)", Debug)
err("", zFFF, 0x000, 0, 0, 0, 0)
} else {
Store("Ok: Acquired T500 (Level 5, index 0)", Debug)
}
/* (2) */
Store("Acquiring mutex of level 6:", Debug)
Store(Acquire(T600, 0xffff), Local0)
if (Local0) {
Store("!!!!!!!! ERROR 1: Acquire T600 (Level 6, index 0)", Debug)
err("", zFFF, 0x001, 0, 0, 0, 0)
} else {
Store("Ok: Acquired T600 (Level 6, index 0)", Debug)
}
/* (3) */
Store("Run Release of mutex of level 5 - exception AE_AML_MUTEX_ORDER is expected on it!", Debug)
Store("Release T500 (Level 5, index 0)", Debug)
Release(T500)
/*
* If no exception there:
* ERROR: NO exception though expected! (it is the contents of bug 238)
*/
CH04("", 0, 64, 0, 0x002, 0, 0) // AE_AML_MUTEX_ORDER
/* (4) */
Store("Acquiring mutex of level 7:", Debug)
Store(Acquire(T700, 0xffff), Local0)
if (Local0) {
Store("!!!!!!!! ERROR 3: Acquire T700 (Level 7, index 0)", Debug)
err("", zFFF, 0x003, 0, 0, 0, 0)
} else {
Store("Ok: Acquired T700 (Level 7, index 0)", Debug)
Store("Current level is equal to 7!", Debug)
}
CH03("", 0, 0x004, 0, 0)
/* (5) */
Store("Releasing the mutex of the current level: T700 (Level 7, index 0)", Debug)
Release(T700)
CH03("", 0, 0x005, 0, 0)
/*
* (6)
*
* AE_AML_MUTEX_ORDER exception here which takes place
* is an essence of this bug 243.
*/
Store("Releasing mutex of level 6: T600 (Level 6, index 0)", Debug)
Release(T600)
CH03("", 0, 0x006, 0, 0)
/* (7) */
Store("Releasing mutex of level 5: T500 (Level 5, index 0)", Debug)
Release(T500)
CH04("", 0, 65, 0, 0x007, 0, 0) // AE_AML_MUTEX_NOT_ACQUIRED
}
Method(mm00)
{
m000()
}
mm00()
}
|