In this way, it's less a kernel and more a hardware abstraction layer (HAL).
通过这种方式，它不像是一个内核而更像是一个硬件抽象层(HAL)。
As a software layer between embedded operation system and hardware in embedded system, HAL (hardware Abstraction layer) is a key problem of embedded application.
在嵌入式系统中，硬件抽象层作为嵌入式操作系统和硬件之间的软件层次是嵌入式应用的一个关键问题。
The following flags control vertex processing behavior for the hardware abstraction layer (HAL) and reference devices.
下面的标识为硬件抽象层和引用设备控制顶点处理的行为。
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