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Logfile: changes for version 20081031.
updated changes.txt.
This commit is contained in:
Robert Moore
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2c374de91d
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@ -1,3 +1,101 @@
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----------------------------------------
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31 October 2008. Summary of changes for version 20081031:
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This release is available at www.acpica.org/downloads.
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1) ACPI CA Core Subsystem:
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Restructured the ACPICA header files into public/private. acpi.h now includes
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only the "public" acpica headers. All other acpica headers are "private" and
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should not be included by acpica users. One new file, accommon.h is used to
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include the commonly used private headers for acpica code generation. Future
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plans include moving all private headers to a new subdirectory.
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Implemented an automatic Buffer->String return value conversion for
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predefined ACPI methods. For these methods (such as _BIF), added automatic
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conversion for return objects that are required to be a String, but a Buffer
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was found instead. This can happen when reading string battery data from an
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operation region, because it used to be difficult to convert the data from
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buffer to string from within the ASL. Ensures that the host OS is provided
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with a valid null-terminated string. Linux BZ 11822.
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Updated the FACS waking vector interfaces. Split AcpiSetFirmwareWakingVector
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into two: one for the 32-bit vector, another for the 64-bit vector. This is
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required because the host OS must setup the wake much differently for each
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vector (real vs. protected mode, etc.) and the interface itself should not be
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deciding which vector to use. Also, eliminated the GetFirmwareWakingVector
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interface, as it served no purpose (only the firmware reads the vector, OS
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only writes the vector.) ACPICA BZ 731.
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Implemented a mechanism to escape infinite AML While() loops. Added a loop
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counter to force exit from AML While loops if the count becomes too large.
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This can occur in poorly written AML when the hardware does not respond
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within a while loop and the loop does not implement a timeout. The maximum
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loop count is configurable. A new exception code is returned when a loop is
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broken, AE_AML_INFINITE_LOOP. Alexey Starikovskiy, Bob Moore.
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Optimized the execution of AML While loops. Previously, a control state
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object was allocated and freed for each execution of the loop. The
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optimization is to simply reuse the control state for each iteration. This
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speeds up the raw loop execution time by about 5%.
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Enhanced the implicit return mechanism. For Windows compatibility, return an
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implicit integer of value zero for methods that contain no executable code.
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Such methods are seen in the field as stubs (presumably), and can cause
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drivers to fail if they expect a return value. Lin Ming.
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Allow multiple backslashes as root prefixes in namepaths. In a fully
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qualified namepath, allow multiple backslash prefixes. This can happen (and
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is seen in the field) because of the use of a double-backslash in strings
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(since backslash is the escape character) causing confusion. ACPICA BZ 739
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Lin Ming.
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Emit a warning if two different FACS or DSDT tables are discovered in the
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FADT. Checks if there are two valid but different addresses for the FACS and
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DSDT within the FADT (mismatch between the 32-bit and 64-bit fields.)
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Consolidated the method argument count validation code. Merged the code that
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validates control method argument counts into the predefined validation
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module. Eliminates possible multiple warnings for incorrect argument counts.
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Implemented ACPICA example code. Includes code for ACPICA initialization,
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handler installation, and calling a control method. Available at
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source/tools/examples.
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Added a global pointer for FACS table to simplify internal FACS access. Use
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the global pointer instead of using AcpiGetTableByIndex for each FACS access.
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This simplifies the code for the Global Lock and the Firmware Waking
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Vector(s).
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Example Code and Data Size: These are the sizes for the OS-independent
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acpica.lib produced by the Microsoft Visual C++ 6.0 32-bit compiler. The
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debug version of the code includes the debug output trace mechanism and has a
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much larger code and data size.
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Previous Release:
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Non-Debug Version: 81.2K Code, 17.0K Data, 98.2K Total
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Debug Version: 155.8K Code, 49.1K Data, 204.9K Total
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Current Release:
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Non-Debug Version: 81.7K Code, 17.3K Data, 99.0K Total
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Debug Version: 156.4K Code, 49.4K Data, 205.8K Total
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2) iASL Compiler/Disassembler and Tools:
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iASL: Improved disassembly of external method calls. Added the -e option to
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allow the inclusion of additional ACPI tables to help with the disassembly of
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method invocations and the generation of external declarations during the
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disassembly. Certain external method invocations cannot be disassembled
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properly without the actual declaration of the method. Use the -e option to
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include the table where the external method(s) are actually declared. Most
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useful for disassembling SSDTs that make method calls back to the master
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DSDT. Lin Ming. Example: To disassemble an SSDT with calls to DSDT: iasl -d
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-e dsdt.aml ssdt1.aml
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iASL: Fix to allow references to aliases within ASL namepaths. Fixes a
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problem where the use of an alias within a namepath would result in a not
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found error or cause the compiler to fault. Also now allows forward
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references from the Alias operator itself. ACPICA BZ 738.
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----------------------------------------
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26 September 2008. Summary of changes for version 20080926:
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@ -222,28 +320,22 @@ Direct git access via http://www.acpica.org/repos/acpica.git
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0) Git source tree / acpica.org
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Fixed a problem where a git-clone from http would not transfer the entire
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source
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tree.
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source tree.
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1) ACPI CA Core Subsystem:
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Implemented a "careful" GPE disable in AcpiEvDisableGpe, only modify one
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enable
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bit. Now performs a read-change-write of the enable register instead of
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simply
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writing out the cached enable mask. This will prevent inadvertent enabling of
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GPEs if a rogue GPE is received during initialization (before GPE handlers
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are
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installed.)
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enable bit. Now performs a read-change-write of the enable register instead
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of simply writing out the cached enable mask. This will prevent inadvertent
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enabling of GPEs if a rogue GPE is received during initialization (before GPE
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handlers are installed.)
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Implemented a copy for dynamically loaded tables. Previously, dynamically
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loaded
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tables were simply mapped - but on some machines this memory is corrupted
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after
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suspend. Now copy the table to a local buffer. For the OpRegion case, added
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checksum verify. Use the table length from the table header, not the region
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length. For the Buffer case, use the table length also. Dennis Noordsij, Bob
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Moore. BZ 10734
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loaded tables were simply mapped - but on some machines this memory is
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corrupted after suspend. Now copy the table to a local buffer. For the
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OpRegion case, added checksum verify. Use the table length from the table
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header, not the region length. For the Buffer case, use the table length
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also. Dennis Noordsij, Bob Moore. BZ 10734
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Fixed a problem where the same ACPI table could not be dynamically loaded and
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unloaded more than once. Without this change, a table cannot be loaded again
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@ -252,24 +344,18 @@ unregister a table upon an unload. During a load, if the same table is found,
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this no longer returns an exception. BZ 722
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Fixed a problem where the wrong descriptor length was calculated for the
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EndTag
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descriptor in 64-bit mode. The "minimal" descriptors such as EndTag are
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calculated as 12 bytes long, but the actual length in the internal descriptor
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is
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16 because of the round-up to 8 on the 64-bit build. Reported by Linn
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Crosetto.
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BZ 728
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EndTag descriptor in 64-bit mode. The "minimal" descriptors such as EndTag
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are calculated as 12 bytes long, but the actual length in the internal
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descriptor is 16 because of the round-up to 8 on the 64-bit build. Reported
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by Linn Crosetto. BZ 728
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Fixed a possible memory leak in the Unload operator. The DdbHandle returned
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by
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Load() did not have its reference count decremented during unload, leading to
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a
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memory leak. Lin Ming. BZ 727
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by Load() did not have its reference count decremented during unload, leading
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to a memory leak. Lin Ming. BZ 727
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Fixed a possible memory leak when deleting thermal/processor objects. Any
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associated notify handlers (and objects) were not being deleted. Fiodor
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Suietov.
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BZ 506
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Suietov. BZ 506
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Fixed the ordering of the ASCII names in the global mutex table to match the
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actual mutex IDs. Used by AcpiUtGetMutexName, a function used for debug only.
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@ -277,10 +363,8 @@ Vegard Nossum. BZ 726
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Enhanced the AcpiGetObjectInfo interface to return the number of required
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arguments if the object is a control method. Added this call to the debugger
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so
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the proper number of default arguments are passed to a method. This prevents
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a
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warning when executing methods from AcpiExec.
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so the proper number of default arguments are passed to a method. This
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prevents a warning when executing methods from AcpiExec.
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Added a check for an invalid handle in AcpiGetObjectInfo. Return
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AE_BAD_PARAMETER if input handle is invalid. BZ 474
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@ -289,9 +373,8 @@ Fixed an extraneous warning from exconfig.c on the 64-bit build.
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Example Code and Data Size: These are the sizes for the OS-independent
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acpica.lib produced by the Microsoft Visual C++ 6.0 32-bit compiler. The
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debug
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version of the code includes the debug output trace mechanism and has a much
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larger code and data size.
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debug version of the code includes the debug output trace mechanism and has a
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much larger code and data size.
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Previous Release:
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Non-Debug Version: 79.3K Code, 16.2K Data, 95.5K Total
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@ -303,12 +386,10 @@ larger code and data size.
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2) iASL Compiler/Disassembler and Tools:
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iASL: Added two missing ACPI reserved names. Added _MTP and _ASZ, both
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resource
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descriptor names.
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resource descriptor names.
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iASL: Detect invalid ASCII characters in input (windows version). Removed the
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"-
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CF" flag from the flex compile, enables correct detection of non-ASCII
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"-CF" flag from the flex compile, enables correct detection of non-ASCII
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characters in the input. BZ 441
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iASL: Eliminate warning when result of LoadTable is not used. Eliminate the
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@ -317,14 +398,11 @@ LoadTable is not used. The warning is not needed. BZ 590
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AcpiExec: Add support for dynamic table load/unload. Now calls _CFG method to
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pass address of table to the AML. Added option to disable OpRegion simulation
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to
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allow creation of an OpRegion with a real address that was passed to _CFG.
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All
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of this allows testing of the Load and Unload operators from AcpiExec.
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to allow creation of an OpRegion with a real address that was passed to _CFG.
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All of this allows testing of the Load and Unload operators from AcpiExec.
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Debugger: update tables command for unloaded tables. Handle unloaded tables
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and
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use the standard table header output routine.
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and use the standard table header output routine.
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----------------------------------------
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09 June 2008. Summary of changes for version 20080609:
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