Robust and High Performance Instructions for System Call
    22.
    发明申请
    Robust and High Performance Instructions for System Call 有权
    强大的高性能系统呼叫指令

    公开(公告)号:US20140281437A1

    公开(公告)日:2014-09-18

    申请号:US13837878

    申请日:2013-03-15

    IPC分类号: G06F9/30

    摘要: Robust system call and system return instructions are executed by a processor to transfer control between a requester and an operating system kernel. The processor includes execution circuitry and registers that store pointers to data structures in memory. The execution circuitry receives a system call instruction from a requester to transfer control from a first privilege level of the requester to a second privilege level of an operating system kernel. In response, the execution circuitry swaps the data structures that are pointed to by the registers between the requester and the operating system kernel in one atomic transition.

    摘要翻译: 强大的系统调用和系统返回指令由处理器执行,以在请求者和操作系统内核之间传输控制。 处理器包括执行电路和寄存器,其存储指向存储器中的数据结构的指针。 执行电路从请求者接收系统调用指令,以将控制从请求者的第一特权级别转移到操作系统内核的第二特权级别。 作为响应,执行电路在一个原子转换中交换请求者和操作系统内核之间的寄存器指向的数据结构。

    Method and apparatus for functional redundancy check mode recovery
    30.
    发明授权
    Method and apparatus for functional redundancy check mode recovery 失效
    功能冗余检查模式恢复的方法和装置

    公开(公告)号:US06920581B2

    公开(公告)日:2005-07-19

    申请号:US10038323

    申请日:2002-01-02

    摘要: A method and apparatus for functional redundancy check mode recovery is disclosed. A method in accordance with one embodiment includes detecting an event associated with a device within a data processing system, initiating a platform-independent device removal sequence for the device in response to detecting the event, virtually ejecting the device from the data processing system in response to initiating the platform-independent device removal sequence, and servicing the event associated with the device in response to virtually ejecting the device from the data processing system.

    摘要翻译: 公开了一种用于功能冗余校验模式恢复的方法和装置。 根据一个实施例的方法包括检测与数据处理系统内的设备相关联的事件,响应于检测到事件而启动用于设备的与平台无关的设备移除序列,从而响应于数据处理系统虚拟地弹出设备 启动与平台无关的设备移除序列,以及响应于从数据处理系统虚拟地弹出设备来服务与设备相关联的事件。