|
|
微软官方文档。& e% {1 j" t) r" k9 g& R
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.' b8 M$ Z0 A2 c4 q, i; o) W
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.5 _' I" Z5 C3 ^) c- Q
Drivers can evaluate ACPI control methods within the namespace of the device object on which they are loaded. This also includes control methods in the namespace of child objects. A driver must meet the following requirements when evaluating ACPI control methods:; `6 U, E d$ o* t
• Only WDF or WDM drivers are supported.
+ ^$ o& x1 w; ]' f6 B• Drivers may evaluate control methods only within the namespace of the device object on which they are loaded. This includes the namespace of child device objects. |
|
IP卡
狗仔卡
发表于 2007-11-16 19:19:40
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡
发表于 2011-1-30 13:54:51
多谢楼主的资料too！