ACPICA version 20080701 released

[Jung-uk Kim]

On Tuesday 01 July 2008 03:20 pm, Moore, Robert wrote:
> 01 July 2008. Summary of changes for version 20080701:
>
> This release is available at http://acpica.org/downloads
> Direct git access via http://www.acpica.org/repos/acpica.git
>
> 0) Git source tree / acpica.org
>
> Fixed a problem where a git-clone from http would not transfer the
> entire source tree.
>
> 1) ACPI CA Core Subsystem:
>
> Implemented a "careful" GPE disable in AcpiEvDisableGpe, only
> modify one enable bit. Now performs a read-change-write of the
> enable register instead of simply writing out the cached enable
> mask. This will prevent inadvertent enabling of GPEs if a rogue GPE
> is received during initialization (before GPE handlers are
> installed.)
>
> Implemented a copy for dynamically loaded tables. Previously,
> dynamically loaded tables were simply mapped - but on some machines
> this memory is corrupted after suspend. Now copy the table to a
> local buffer. For the OpRegion case, added checksum verify. Use the
> table length from the table header, not the region length. For the
> Buffer case, use the table length also. Dennis Noordsij, Bob Moore.
> BZ 10734
>
> Fixed a problem where the same ACPI table could not be dynamically
> loaded and unloaded more than once. Without this change, a table
> cannot be loaded again once it has been loaded/unloaded one time.
> The current mechanism does not unregister a table upon an unload.
> During a load, if the same table is found, this no longer returns
> an exception. BZ 722
>
> Fixed a problem where the wrong descriptor length was calculated
> for the EndTag descriptor in 64-bit mode. The "minimal" descriptors
> such as EndTag are calculated as 12 bytes long, but the actual
> length in the internal descriptor is 16 because of the round-up to
> 8 on the 64-bit build. Reported by Linn Crosetto. BZ 728
>
> Fixed a possible memory leak in the Unload operator. The DdbHandle
> returned by Load() did not have its reference count decremented
> during unload, leading to a memory leak. Lin Ming. BZ 727
>
> Fixed a possible memory leak when deleting thermal/processor
> objects. Any associated notify handlers (and objects) were not
> being deleted. Fiodor Suietov. BZ 506
>
> Fixed the ordering of the ASCII names in the global mutex table to
> match the actual mutex IDs. Used by AcpiUtGetMutexName, a function
> used for debug only. Vegard Nossum. BZ 726
>
> Enhanced the AcpiGetObjectInfo interface to return the number of
> required arguments if the object is a control method. Added this
> call to the debugger so the proper number of default arguments are
> passed to a method. This prevents a warning when executing methods
> from AcpiExec.
>
> Added a check for an invalid handle in AcpiGetObjectInfo. Return
> AE_BAD_PARAMETER if input handle is invalid. BZ 474
>
> Fixed an extraneous warning from exconfig.c on the 64-bit build.
>
> Example Code and Data Size: These are the sizes for the
> OS-independent acpica.lib produced by the Microsoft Visual C++ 6.0
> 32-bit compiler. The debug version of the code includes the debug
> output trace mechanism and has a much larger code and data size.
>
>   Previous Release:
>     Non-Debug Version:  79.3K Code, 16.2K Data,  95.5K Total
>     Debug Version:     153.0K Code, 48.2K Data, 201.2K Total
>   Current Release:
>     Non-Debug Version:  79.6K Code, 16.2K Data,  95.8K Total
>     Debug Version:     153.5K Code, 48.2K Data, 201.7K Total
>
> 2) iASL Compiler/Disassembler and Tools:
>
> iASL: Added two missing ACPI reserved names. Added _MTP and _ASZ,
> both resource descriptor names.
>
> iASL: Detect invalid ASCII characters in input (windows version).
> Removed the "-CF" flag from the flex compile, enables correct
> detection of non-ASCII characters in the input. BZ 441
>
> iASL: Eliminate warning when result of LoadTable is not used.
> Eliminate the "result of operation not used" warning when the DDB
> handle returned from LoadTable is not used. The warning is not
> needed. BZ 590
>
> AcpiExec: Add support for dynamic table load/unload. Now calls _CFG
> method to pass address of table to the AML. Added option to disable
> OpRegion simulation to allow creation of an OpRegion with a real
> address that was passed to _CFG. All of this allows testing of the
> Load and Unload operators from AcpiExec.
>
> Debugger: update tables command for unloaded tables. Handle
> unloaded tables and use the standard table header output routine.

As usual, ACPI-CA patches against FreeBSD -CURRENT is here:

http://people.freebsd.org/~jkim/acpica-import-20080701.diff.gz

Jung-uk Kim