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Logfile: Changes for version 20160422
Version 20160422.
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22 April 2016. Summary of changes for version 20160422:
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1) ACPICA kernel-resident subsystem:
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Fixed a regression in the GAS (generic address structure) arbitrary bit
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support in AcpiHwRead/AcpiHwWrite. Problem could cause incorrect behavior
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and incorrect return values. Lv Zheng. ACPICA BZ 1270.
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ACPI 6.0: Added support for new/renamed resource macros. One new argument
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was added to each of these macros, and the original name has been
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deprecated. The AML disassembler will always disassemble to the new
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names. Support for the new macros was added to iASL, disassembler,
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resource manager, and the acpihelp utility. ACPICA BZ 1274.
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I2cSerialBus -> I2cSerialBusV2
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SpiSerialBus -> SpiSerialBusV2
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UartSerialBus -> UartSerialBusV2
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ACPI 6.0: Added support for a new integer field that was appended to the
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package object returned by the _BIX method. This adds iASL compile-time
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and AML runtime error checking. ACPICA BZ 1273.
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ACPI 6.1: Added support for a new PCCT subtable, "HW-Reduced Comm
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Subspace Type2" (Headers, Disassembler, and data table compiler).
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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++ 9.0 32-bit compiler. The
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debug version of the code includes the debug output trace mechanism and
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has a much larger code and data size.
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Current Release:
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Non-Debug Version: 137.4K Code, 52.6K Data, 190.0K Total
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Debug Version: 201.5K Code, 82.2K Data, 283.7K Total
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Previous Release:
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Non-Debug Version: 137.1K Code, 51.5K Data, 188.6K Total
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Debug Version: 201.0K Code, 82.0K Data, 283.0K Total
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2) iASL Compiler/Disassembler and Tools:
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iASL: Implemented an ASL grammar extension to allow/enable executable
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"module-level code" to be created and executed under the various
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operators that create new scopes. This type of AML code is already
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supported in all known AML interpreters, and the grammar change will
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appear in the next version of the ACPI specification. Simplifies the
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conditional runtime creation of named objects under these object types:
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Device
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PowerResource
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Processor
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Scope
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ThermalZone
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iASL: Implemented a new ASL extension, a "For" loop macro to add greater
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ease-of-use to the ASL language. The syntax is similar to the
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corresponding C operator, and is implemented with the existing AML While
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opcode -- thus requiring no changes to existing AML interpreters.
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For (Initialize, Predicate, Update) {TermList}
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Grammar:
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ForTerm :=
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For (
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Initializer // Nothing | TermArg => ComputationalData
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Predicate // Nothing | TermArg => ComputationalData
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Update // Nothing | TermArg => ComputationalData
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) {TermList}
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iASL: The _HID/_ADR detection and validation has been enhanced to search
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under conditionals in order to allow these objects to be conditionally
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created at runtime.
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iASL: Fixed several issues with the constant folding feature. The
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improvement allows better detection and resolution of statements that can
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be folded at compile time. ACPICA BZ 1266.
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iASL/Disassembler: Fixed a couple issues with the Else{If{}...}
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conversion to the ASL ElseIf operator where incorrect ASL code could be
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generated.
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iASL/Disassembler: Fixed a problem with the ASL+ code disassembly where
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sometimes an extra (and extraneous) set of parentheses were emitted for
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some combinations of operators. Although this did not cause any problems
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with recompilation of the disassembled code, it made the code more
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difficult to read. David Box. ACPICA BZ 1231.
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iASL: Changed to ignore the unreferenced detection for predefined names
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of resource descriptor elements, when the resource descriptor is
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created/defined within a control method.
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iASL: Disassembler: Fix a possible fault with externally declared Buffer
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objects.
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----------------------------------------
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18 March 2016. Summary of changes for version 20160318:
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