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    • 1. 发明申请
    • NON-DESTRUCTIVE SIDEBAND READING OF PROCESSOR STATE INFORMATION
    • 处理器状态信息的非破坏性边栏读取
    • US20090300332A1
    • 2009-12-03
    • US12130990
    • 2008-05-30
    • Wallace P. MontgomeryDavid F. TobiasMichael T. Clark
    • Wallace P. MontgomeryDavid F. TobiasMichael T. Clark
    • G06F9/30
    • G06F11/3656G06F9/30003
    • A processor receives a command via a sideband interface on the processor to read processor state information, e.g., CPUID information. The sideband interface provides the command information to a microcode engine in the processor that executes the command to retrieve the designated processor state information at an appropriate instruction boundary and retrieves the processor state information. That processor information is stored in local buffers in the sideband interface to avoid modifying processor state. After the microcode engine completes retrieval of the information and the sideband interface command is complete, execution returns to the normal flow in the processor. Thus, the processor state information may be obtained non-destructively during processor runtime.
    • 处理器经由处理器上的边带接口接收命令以读取处理器状态信息,例如CPUID信息。 边带接口向处理器中的微代码引擎提供命令信息,执行命令以在适当的指令边界检索指定的处理器状态信息并检索处理器状态信息。 该处理器信息存储在边带接口中的本地缓冲区中,以避免修改处理器状态。 在微代码引擎完成信息的检索并且边带接口命令完成之后,执行返回处理器中的正常流程。 因此,可以在处理器运行时期间非破坏性地获得处理器状态信息。
    • 2. 发明授权
    • Non-destructive sideband reading of processor state information
    • 非破坏性边带读取处理器状态信息
    • US07831816B2
    • 2010-11-09
    • US12130990
    • 2008-05-30
    • Wallace P. MontgomeryDavid F. TobiasMichael T. Clark
    • Wallace P. MontgomeryDavid F. TobiasMichael T. Clark
    • G06F9/312
    • G06F11/3656G06F9/30003
    • A processor receives a command via a sideband interface on the processor to read processor state information, e.g., CPUID information. The sideband interface provides the command information to a microcode engine in the processor that executes the command to retrieve the designated processor state information at an appropriate instruction boundary and retrieves the processor state information. That processor information is stored in local buffers in the sideband interface to avoid modifying processor state. After the microcode engine completes retrieval of the information and the sideband interface command is complete, execution returns to the normal flow in the processor. Thus, the processor state information may be obtained non-destructively during processor runtime.
    • 处理器经由处理器上的边带接口接收命令以读取处理器状态信息,例如CPUID信息。 边带接口向处理器中的微代码引擎提供命令信息,执行命令以在适当的指令边界检索指定的处理器状态信息并检索处理器状态信息。 该处理器信息存储在边带接口中的本地缓冲区中,以避免修改处理器状态。 在微代码引擎完成信息的检索并且边带接口命令完成之后,执行返回处理器中的正常流程。 因此,可以在处理器运行时期间非破坏性地获得处理器状态信息。