/*
* Some or all of this work - Copyright (c) 2006 - 2018, 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 150:
*
* SUMMARY: No exception when Serialized Method is run after the higher level mutex acquiring
*
* EXAMPLES
*
* ROOT CAUSE
*
* SEE ALSO:
*/
/*
1. Acquire of the same mux several times without Releases
2. Acquire+Releases sequence of the same mux several times
3. Acquire mux level 7 then Release it and try Acquire mux level 6
4. Acquire mux level 7 then try Acquire mux level 6
5. Check all the specified features
*/
/*
* The proper sequence of several enclosed Acquire operations.
*
* Acquire N level mutex then acquire (N+k) level mutex.
*/
Method (MD8A, 0, Serialized)
{
Mutex (MX00, 0x00)
Mutex (MX01, 0x01)
Local0 = 0x00
Local1 = 0x00
If (Acquire (MX00, 0x0001))
{
ERR (__METHOD__, ZFFF, __LINE__, 0x00, 0x00, 0x00, 0x00)
}
Else
{
Local0 = 0x01
If (Acquire (MX01, 0x0001))
{
ERR (__METHOD__, ZFFF, __LINE__, 0x00, 0x00, 0x00, 0x00)
}
Else
{
Local1 = 0x01
}
}
If (Local1)
{
Release (MX01)
}
If (Local0)
{
Release (MX00)
}
}
/*
* Improper sequence of several enclosed Acquire operations.
*
* Acquire N level mutex then acquire (N-k) level mutex.
* Exception AE_AML_MUTEX_ORDER is expected in this case.
*/
Method (MD8B, 0, Serialized)
{
Mutex (MX00, 0x01)
Mutex (MX01, 0x00)
Local0 = 0x00
Local1 = 0x00
If (Acquire (MX00, 0x0001))
{
ERR (__METHOD__, ZFFF, __LINE__, 0x00, 0x00, 0x00, 0x00)
}
Else
{
Local0 = 0x01
CH03 (__METHOD__, 0x00, __LINE__, 0x00, 0x00)
Acquire (MX01, 0x0001)
CH04 (__METHOD__, 0x00, 0x40, 0x00, __LINE__, 0x00, 0x00) /* AE_AML_MUTEX_ORDER */
}
If (Local0)
{
Release (MX00)
}
}
/*
* The proper sequence of several enclosed operations.
*
* Acquire N level mutex then call to Serialized Method
* declared with (N+k) SyncLevel.
*/
Method (MD8C, 0, Serialized)
{
Mutex (MX00, 0x00)
Method (MX01, 0, Serialized, 1)
{
Debug = "Run Method mx01"
}
Local0 = 0x00
Local1 = 0x00
If (Acquire (MX00, 0x0001))
{
ERR (__METHOD__, ZFFF, __LINE__, 0x00, 0x00, 0x00, 0x00)
}
Else
{
Local0 = 0x01
CH03 (__METHOD__, 0x00, __LINE__, 0x00, 0x00)
MX01 ()
CH03 (__METHOD__, 0x00, __LINE__, 0x00, 0x00)
}
If (Local0)
{
Release (MX00)
}
}
/*
* Improper sequence of several enclosed operations.
*
* Acquire N level mutex then call to Serialized Method declared with (N-k) SyncLevel.
* Exception AE_AML_MUTEX_ORDER is expected in this case.
*/
Method (MD8D, 0, Serialized)
{
Mutex (MX00, 0x01)
Method (MX01, 0, Serialized)
{
Debug = "Run Method mx01"
}
Local0 = 0x00
Local1 = 0x00
If (Acquire (MX00, 0x0001))
{
ERR (__METHOD__, ZFFF, __LINE__, 0x00, 0x00, 0x00, 0x00)
}
Else
{
Local0 = 0x01
CH03 (__METHOD__, 0x00, __LINE__, 0x00, 0x00)
MX01 ()
CH04 (__METHOD__, 0x00, 0x40, 0x00, __LINE__, 0x00, 0x00) /* AE_AML_MUTEX_ORDER */
}
If (Local0)
{
Release (MX00)
}
}
Method (MD8E, 0, NotSerialized)
{
MD8A ()
MD8B ()
MD8C ()
MD8D ()
}