13 October 2010. Summary of changes for version 20101013:
This release is available at www.acpica.org/downloads
1) ACPI CA Core Subsystem:
Added support to clear the PCIEXP_WAKE event. When clearing ACPI events, now
clear the PCIEXP_WAKE_STS bit in the ACPI PM1 Status Register, via
HwClearAcpiStatus. Original change from Colin King. ACPICA BZ 880.
Changed the type of the predefined namespace object _TZ from ThermalZone to
Device. This was found to be confusing to the host software that processes the
various thermal zones, since _TZ is not really a ThermalZone. However, a
Notify() can still be performed on it. ACPICA BZ 876. Suggestion from Rui Zhang.
Added Windows Vista SP2 to the list of supported _OSI strings. The actual
string is "Windows 2006 SP2".
Eliminated duplicate code in AcpiUtExecute* functions. Now that the nsrepair
code automatically repairs _HID-related strings, this type of code is no longer
needed in Execute_HID, Execute_CID, and Execute_UID. ACPICA BZ 878.
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: 89.9K Code, 19.0K Data, 108.9K Total
Debug Version: 166.3K Code, 52.1K Data, 218.4K Total
Current Release:
Non-Debug Version: 89.9K Code, 19.0K Data, 108.9K Total
Debug Version: 166.3K Code, 52.1K Data, 218.4K Total
2) iASL Compiler/Disassembler and Tools:
iASL: Implemented additional compile-time validation for _HID strings. The
non-hex prefix (such as "PNP" or "ACPI") must be uppercase, and the length of
the string must be exactly seven or eight characters. For both _HID and _CID
strings, all characters must be alphanumeric. ACPICA BZ 874.
iASL: Allow certain "null" resource descriptors. Some BIOS code creates
descriptors that are mostly or all zeros, with the expectation that they will
be filled in at runtime. iASL now allows this as long as there is a "resource
tag" (name) associated with the descriptor, which gives the ASL a handle needed
to modify the descriptor. ACPICA BZ 873.
Added single-thread support to the generic Unix application OSL. Primarily for
iASL support, this change removes the use of semaphores in the single-threaded
ACPICA tools/applications - increasing performance. The _MULTI_THREADED option
was replaced by the (reverse) ACPI_SINGLE_THREADED option. ACPICA BZ 879.
AcpiExec: several fixes for the 64-bit version. Adds XSDT support and support
for 64-bit DSDT/FACS addresses in the FADT. Lin Ming.
iASL: Moved all compiler messages to a new file, aslmessages.h.
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