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    • 9. 发明授权
    • Methods for performing diagnostic functions in a multiprocessor data processing system having a serial diagnostic bus
    • 在具有串行诊断总线的多处理器数据处理系统中执行诊断功能的方法
    • US06202097B1
    • 2001-03-13
    • US08373052
    • 1995-01-17
    • David James FosterArmando GarciaRobert Bernard Pearson
    • David James FosterArmando GarciaRobert Bernard Pearson
    • G06F15173
    • G06F11/2242G06F11/2294G06F11/2736
    • Apparatus and method for use in a multiprocessor system (10) having a plurality of processing nodes (P0-P3) each of which includes a local data processor (22a, 28a). The apparatus includes an interface (42) to a controller (14), the interface including a register (48) for storing a function received from the controller, such as a diagnostic function. The interface further includes circuitry (50) for providing the diagnostic function as a packet to an input terminal of a bit serial communication bus (40). The communication bus is threaded through each of the plurality of processing nodes and has an output terminal that terminates at the interface. Each of the nodes includes a register (54) for receiving the packet and, responsive to information conveyed thereby, for halting the local data processor and for controlling the operation of local data processor control signal lines, data signal lines, and address signal lines so as to execute the diagnostic function, such as reading data from or writing data to a specified location. The local data processor may also be reset, rebooted, restarted from a halted condition, or interrupted.
    • 在具有多个处理节点(P0-P3)的多处理器系统(10)中使用的装置和方法,每个处理节点包括本地数据处理器(22a,28a)。 该装置包括到控制器(14)的接口(42),该接口包括用于存储从控制器接收的功能(诸如诊断功能)的寄存器(48)。 接口还包括用于将诊断功能作为分组提供给比特串行通信总线(40)的输入端的电路(50)。 通信总线穿过多个处理节点中的每一个并且具有在该接口处终止的输出终端。 每个节点包括用于接收分组的寄存器(54),并响应于此所传送的信息,用于暂停本地数据处理器并用于控制本地数据处理器控制信号线,数据信号线和地址信号线的操作 执行诊断功能,例如从指定位置读取数据或将数据写入指定位置。 本地数据处理器也可能被重置,重新启动,从停止状态重新启动或中断。
    • 10. 发明申请
    • SECURE SOFTWARE DISTRIBUTION
    • 安全软件分发
    • US20090287917A1
    • 2009-11-19
    • US12122747
    • 2008-05-19
    • Todd CarpenterDavid AbzarianMark MyersDavid James FosterTeddy LiuEthan Toon Wu AngSuzie Mitchell
    • Todd CarpenterDavid AbzarianMark MyersDavid James FosterTeddy LiuEthan Toon Wu AngSuzie Mitchell
    • G06F9/445H04L9/32G06F9/24
    • G06F21/10
    • To protect against software piracy, a storage media has a cryptographically protected area that stores software to be installed onto a target device, such as a computer. The storage media may include a non-secure area holding boot files and an installation program. The installation program may gather target device-specific data for use by a certifying authority in generating a key that allows access to the secure area of the storage media only during the installation process. In this manner, a user never has access to the raw installation files, limiting the ability to copy and distribute those files for installation on non-authorized computers. The certifying authority may also prepare target device-specific data applied to the software before installation to create a custom software image that will only execute on the target device and that can be verified by the host OS prior to execution, allowing integrity confirmation.
    • 为了防止软件盗版,存储介质具有密码保护区域,其存储要安装到诸如计算机的目标设备上的软件。 存储介质可以包括保持引导文件的非安全区域和安装程序。 安装程序可能会收集目标设备特定的数据,供认证机构使用,以生成只允许在安装过程中访问存储介质的安全区域的密钥。 以这种方式,用户从未访问原始安装文件,限制了复制和分发这些文件以在非授权计算机上进行安装的能力。 认证机构还可以在安装之前准备应用于软件的目标设备专用数据,以创建仅在目标设备上执行的定制软件映像,并且可以在执行之前由主机OS进行验证,从而允许完整性确认。