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date 2004.03.11.22.32.00; author rmoore1; state Exp;

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aystarik 2005-07-09 08:45:09 +00:00
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11 March 2004. Summary of changes for version 20040311:
1) ACPI CA Core Subsystem:
Fixed a problem where errors occurring during the parse phase of control method execution did not abort cleanly. For example, objects created and installed in the namespace were not deleted. This caused all subsequent invocations of the method to return the AE_ALREADY_EXISTS exception.
Implemented a mechanism to force a control method to "Serialized" execution if the method attempts to create namespace objects. (The root of the AE_ALREADY_EXISTS problem.)
Implemented support for the predefined _OSI "internal" control method. Initial supported strings are "Linux", "Windows 2000", "Windows 2001", and "Windows 2001.1", and can be easily upgraded for new strings as necessary. This feature will allow "other" operating systems to execute the fully tested, "Windows" code path through the ASL code
Global Lock Support: Now allows multiple acquires and releases with any internal thread. Removed concept of "owning thread" for this special mutex.
Fixed two functions that were inappropriately declaring large objects on the CPU stack: PsParseLoop, NsEvaluateRelative. Reduces the stack usage during method execution considerably.
Fixed a problem in the ACPI 2.0 FACS descriptor (actbl2.h) where the S4Bios_f field was incorrectly defined as UINT32 instead of UINT32_BIT.
Fixed a problem where AcpiEvGpeDetect would fault if there were no GPEs defined on the machine.
Implemented two runtime options: One to force all control method execution to "Serialized" to mimic Windows behavior, another to disable _OSI support if it causes problems on a given machine.
Code and Data Size: Current and previous core subsystem library sizes are shown below. These are the code and data sizes for the acpica.lib produced by the Microsoft Visual C++ 6.0 compiler, and these values do not include any ACPI driver or OSPM code. The debug version of the code includes the debug output trace mechanism and has a much larger code and data size. Note that these values will vary depending on the efficiency of the compiler and the compiler options used during generation.
Previous Release:
Non-Debug Version: 74.8K Code, 10.1K Data, 84.9K Total
Debug Version: 158.7K Code, 65.1K Data, 223.8K Total
Current Release:
Non-Debug Version: 76.5K Code, 11.3K Data, 87.8K Total
Debug Version: 160.3K Code, 66.0K Data, 226.3K Total
2) iASL Compiler/Disassembler:
Fixed an array size problem for FreeBSD that would cause the compiler to fault.
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20 February 2004. Summary of changes for version 20040220: