| Publisher | Microsoft | ||
|---|---|---|---|
| Format | 184.0KB WORD | Date added | 26 Apr 2007 |
| Topics | Windows Vista | ||
| Downloads | 1169  popular | ||
Kernel-mode device drivers are able to evaluate ACPI control methods via I/O ConTroL Codes (IOCTLs). Typically, a driver evaluates ACPI control methods to initiate or configure platform-specific functionality. An ACPI control method is a definition of how to interrogate or adjust system hardware. Control methods are written in the ACPI Machine Language (AML) and are interpreted by the ACPI driver in Microsoft Windows. These objects are loaded from the system definition in firmware into the ACPI namespace. This paper documents the mechanism for executing ACPI control methods and handling events from a kernel driver in the Windows Vista operating system. This information applies for the Windows Server 2008 Windows Vista.
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