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    System and method for securing access to general purpose input/output ports in a computer system
    9.
    发明申请
    System and method for securing access to general purpose input/output ports in a computer system 审中-公开
    用于确保访问计算机系统中通用输入/输出端口的系统和方法

    公开(公告)号：US20070168574A1

    公开(公告)日：2007-07-19

    申请号：US11237397

    申请日：2005-09-28

    申请人： Ricardo Martinez ,  Jonathan Stern ,  Charles Ueltschey

    发明人： Ricardo Martinez ,  Jonathan Stern ,  Charles Ueltschey

    IPC分类号： G06F3/00

    CPC分类号： G06F21/554 ,  G06F21/55

    摘要： A system and method is disclosed for managing the access to GPIO ports that are coupled to input pins of devices in the computer system. Access commands directed to a GPIO port are monitored. When an access command is detected, an interrupt is issued and an interrupt handler determines if the access command is authorized. If the command is authorized, the interrupt handler completes the access command and returns control to the software program that issued the access command. If the command is not authorized, the command is prevented from reaching the GPIO and the access attempt is logged. The GPIO ports that are monitored may be those GPIO ports that are coupled to an input or enable pin of a sensitive hardware component within the computer system.

    摘要翻译： 公开了一种用于管理对连接到计算机系统中的设备的输入引脚的GPIO端口的访问的系统和方法。 监视指向GPIO端口的访问命令。 当检测到访问命令时，发出中断，中断处理程序确定访问命令是否被授权。 如果命令被授权，则中断处理程序完成访问命令并将控制权返回给发出访问命令的软件程序。 如果命令未被授权，则该命令被阻止到达GPIO，并记录访问尝试。 受监控的GPIO端口可以是耦合到计算机系统中敏感硬件组件的输入或使能引脚的那些GPIO端口。

    System and method of processing system management interrupts (SMI) in a multi-processor environment
    10.
    发明申请
    System and method of processing system management interrupts (SMI) in a multi-processor environment 审中-公开
    在多处理器环境中处理系统管理中断（SMI）的系统和方法

    公开(公告)号：US20060282589A1

    公开(公告)日：2006-12-14

    申请号：US11148035

    申请日：2005-06-08

    申请人： Charles Ueltschey ,  Ricardo Martinez

    发明人： Charles Ueltschey ,  Ricardo Martinez

    IPC分类号： G06F13/24

    CPC分类号： G06F13/24

    摘要： A method for processing a system management interrupt (SMI) in a multi-processor information handling system including a boot processor and one or more application processors is provided. An SMI is generated by a particular application processor. A swap function is initiated, causing save state data associated with the particular application processor to be communicated to a boot processor SMI handler associated with the boot processor. The boot processor executes the boot processor SMI handler to process the SMI, the boot processor SMI handler using at least the save state data communicated to the boot processor by the swap function to process the SMI.

    摘要翻译： 提供了一种用于在包括引导处理器和一个或多个应用处理器的多处理器信息处理系统中处理系统管理中断（SMI）的方法。 SMI由特定应用处理器生成。 开始交换功能，使得与特定应用处理器相关联的保存状态数据被传送到与引导处理器相关联的引导处理器SMI处理器。 引导处理器执行引导处理器SMI处理程序来处理SMI，引导处理器SMI处理器至少使用通过交换功能传送到引导处理器的保存状态数据来处理SMI。