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    • 3. 发明授权
    • Synchronizing split user-mode/kernel-mode device driver architecture
    • 同步拆分用户模式/内核模式设备驱动程序架构
    • US08434098B2
    • 2013-04-30
    • US12027274
    • 2008-02-07
    • Mingtzong LeePeter WielandNar GanapathyUlfar ErlingsonMartin AbadiJohn Richardson
    • Mingtzong LeePeter WielandNar GanapathyUlfar ErlingsonMartin AbadiJohn Richardson
    • G06F3/00G06F13/24G06F11/00
    • G06F9/4812G06F9/545
    • A device driver includes a kernel mode and a user-mode module. The device driver may access device registers while operating in user-mode to promote system stability while providing a low-latency software response from the system upon interrupts. The device driver may include kernel stubs that are loaded into the operating system, and may be device specific code written. The stubs may be called by a reflector to handle exceptions caught by the stubs. A reset stub may be invoked by the reflector when the user-mode module or host terminates abruptly or detects an interrupt storm. The reset stub may also be invoked if errant direct memory access DMA operations are being performed by a hardware device. The reset stub may ensure that hardware immediately stops unfinished DMA from further transfer, and may be called by the user-mode driver module.
    • 设备驱动程序包括内核模式和用户模式模块。 设备驱动程序可以在用户模式下操作时访问设备寄存器,以提高系统稳定性,同时在中断时从系统提供低延迟软件响应。 设备驱动程序可以包括加载到操作系统中的内核存根,并且可以是写入的特定于设备的代码。 存根可以由反射器调用来处理由存根捕获的异常。 当用户模式模块或主机突然终止或检测到中断风暴时,反射器可以调用复位存根。 如果由硬件设备执行错误的直接存储器访问DMA操作,则也可以调用复位存根。 复位存根可以确保硬件立即停止未完成的DMA进一步传输,并且可以由用户模式驱动器模块调用。
    • 4. 发明申请
    • OFFLINE HARDWARE DIAGNOSTIC ENVIRONMENT
    • 离线硬件诊断环境
    • US20090089616A1
    • 2009-04-02
    • US11863950
    • 2007-09-28
    • Kai ChenMelur RaghuramanPeter Wieland
    • Kai ChenMelur RaghuramanPeter Wieland
    • G06F11/22
    • G06F11/2268
    • A computer configured to operate in diagnostic mode during which the operating system is suspended. During the diagnostic mode, tests can be performed on the computer system, including hardware, and the tests do not disrupt the operating system and are not disrupted by the operating system. When diagnostic mode is triggered, execution of the operating system is suspended. When the diagnostic tests are completed, the operating system may resume operation and test data may be made available within the operating system environment. Upon resuming, the state of the computer prior to entering diagnostic mode may be restored, preventing any changes made during diagnostic mode from interfering with operation of the operating system or application components.
    • 配置为在诊断模式下操作的计算机,其中操作系统被暂停。 在诊断模式下,可以在计算机系统(包括硬件)上执行测试,并且测试不会中断操作系统,并且不会被操作系统中断。 当诊断模式被触发时,操作系统的执行被暂停。 当诊断测试完成时,操作系统可以恢复操作,并且测试数据可以在操作系统环境内可用。 在恢复时,可以恢复进入诊断模式之前的计算机的状态,防止在诊断模式期间进行的任何改变干扰操作系统或应用组件的操作。
    • 7. 发明授权
    • Offline hardware diagnostic environment
    • 离线硬件诊断环境
    • US07809985B2
    • 2010-10-05
    • US11863950
    • 2007-09-28
    • Kai ChenMelur RaghuramanPeter Wieland
    • Kai ChenMelur RaghuramanPeter Wieland
    • G06F11/00
    • G06F11/2268
    • A computer configured to operate in diagnostic mode during which the operating system is suspended. During the diagnostic mode, tests can be performed on the computer system, including hardware, and the tests do not disrupt the operating system and are not disrupted by the operating system. When diagnostic mode is triggered, execution of the operating system is suspended. When the diagnostic tests are completed, the operating system may resume operation and test data may be made available within the operating system environment. Upon resuming, the state of the computer prior to entering diagnostic mode may be restored, preventing any changes made during diagnostic mode from interfering with operation of the operating system or application components.
    • 配置为在诊断模式下操作的计算机,其中操作系统被暂停。 在诊断模式下,可以在计算机系统(包括硬件)上执行测试,并且测试不会中断操作系统,并且不会被操作系统中断。 当诊断模式被触发时,操作系统的执行被暂停。 当诊断测试完成时,操作系统可以恢复操作,并且测试数据可以在操作系统环境内可用。 在恢复时,可以恢复进入诊断模式之前的计算机的状态,防止在诊断模式期间进行的任何改变干扰操作系统或应用组件的操作。