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    • 8. 发明公开
    • DMA 디바이스를 위한 실시간 디버그 지원과 그 방법
    • 用于DMA设备的实时调试支持及其方法
    • KR1020060126734A
    • 2006-12-08
    • KR1020067014758
    • 2004-12-21
    • 엔엑스피 유에스에이, 인코포레이티드
    • 모여,윌리암,씨.
    • G06F11/26G06F11/36G06F11/00G06F13/28
    • G06F11/349G06F11/3485G06F11/3636
    • A data processing system (10) has a debug module (26) that selectively generates one or more debug messages that are specific to a Direct Memory Access (DMA) controller device (16) in the system. A control register (70) enables which of the DMA debug messages are provided. The beginning and end of DMA transfer activity is provided including when minor loop iterations start and complete. Latency information indicating system latency between a channel request and actual initiation of the request for each DMA transfer may also be included in a debug message. One of the debug messages provides periodic status of a predetermined DMA channel under control of a control register (80). At least one of the debug messages implements a watchpoint function, such as indicating when a transfer starts or ends. The debug module may be centralized in the system or distributed among each of predetermined system units.
    • 数据处理系统(10)具有调试模块(26),其选择性地生成系统中特定于直接存储器访问(DMA)控制器设备(16)的一个或多个调试消息。 控制寄存器(70)使得能够提供哪个DMA调试消息。 提供DMA传输活动的开始和结束,包括在次循环迭代开始和完成时。 指示信道请求与每个DMA传送的请求的实际启动之间的系统等待时间的延迟信息也可以被包括在调试消息中。 一个调试消息在控制寄存器(80)的控制下提供预定DMA通道的周期状态。 至少一个调试消息实现观察点功能,例如指示传输何时开始或结束。 调试模块可以集中在系统中或分布在每个预定系统单元之间。
    • 9. 发明授权
    • 시스템복구장치
    • 系统的重新装备
    • KR100252250B1
    • 2000-04-15
    • KR1019960025237
    • 1996-06-28
    • 삼성전자주식회사
    • 박지경
    • G06F11/00
    • G06F11/0757G06F11/1438G06F11/349
    • PURPOSE: An apparatus for restoring a system is provided to restore a system using software and to re-boot the system when a status of the system is detected as a stationary status during a predetermined time. CONSTITUTION: If information of available function state stored in a function selecting unit(40) is outputted from an output terminal(FA) and inputted to one side input unit(SB) of a system state sensing unit(20), the system state sensing unit(20) is enable and senses an operation state of a system from a system bus. If an operation signal is sensed from at least one input side, the system state sensing unit(20) outputs an operation sensing signal to an output terminal(SA). If an operation sensing signal is inputted from the system state sensing unit(20), a stop time counter unit(30) initializes a counter value, and outputs a stop time signal each a predetermined count by counting a clock signal. The outputted stop time signal is inputted to an input terminal(PA) of the program restoring unit(50) and an input terminal(HA) of a hardware restoring unit(60) through an output terminal(OA). The program restoring unit(50) receives the stop time signal from the stop time counter unit(30) and detects whether the signal is the first count value. If the signal is the first count value, the first interrupt signal is outputted to an output terminal(PB) for restring the computer system using software. The hardware restoring unit(50) receives the stop time signal from the stop time counter unit(30) and detects whether the signal is the second count value. If the signal is the second count value, the second interrupt signal is outputted to an output terminal(PB) for restring the computer system using hardware.
    • 目的:提供一种用于恢复系统的装置,以在系统的状态在预定时间内被检测为静止状态时,使用软件恢复系统并重新引导系统。 构成:如果存储在功能选择单元(40)中的可用功能状态的信息从输出端子(FA)输出并输入到系统状态感测单元(20)的一侧输入单元(SB),则系统状态感测 单元(20)启用并感测来自系统总线的系统的操作状态。 如果从至少一个输入侧检测到操作信号,则系统状态检测单元(20)向操作感测信号输出输出端子(SA)。 如果从系统状态检测单元(20)输入操作感测信号,则停止时间计数器单元(30)初始化计数器值,并且通过对时钟信号进行计数来输出每个预定计数的停止时间信号。 输出的停止时间信号通过输出端子(OA)输入到程序恢复单元(50)的输入端(PA)和硬件恢复单元(60)的输入端(HA)。 程序恢复单元(50)从停止时间计数器单元(30)接收停止时间信号,并且检测该信号是否是第一计数值。 如果信号是第一个计数值,则将第一个中断信号输出到输出端子(PB),以便使用软件来限制计算机系统。 硬件恢复单元(50)从停止时间计数器单元(30)接收停止时间信号,并检测该信号是否为第二计数值。 如果信号是第二计数值,则将第二中断信号输出到用于使用硬件来限制计算机系统的输出端子(PB)。