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Program failure analysis system, failure analysis method, and emulator device

机译:程序故障分析系统,故障分析方法和仿真器设备

摘要

A CPU forced stop signal is used as means for stopping execution of a program executed on a ROM by a CPU of a target system. A time required for stopping the CPU from the issuance of the CPU forced stop signal between an ICE device and the CPU is considered and set, and a CPU forced stop signal issuance position which is prior to a stop target position is determined. Based on a real-time tracing function of the CPU, at an issuance position and timing of the CPU forced stop signal on the execution of the program, the CPU forced stop signal is issued, the CPU is stopped, and the event is acquired. By this means, an arbitrary number of events of the program can be acquired regardless of the number of breakpoint registers.
机译:CPU强制停止信号用作用于停止执行由目标系统的CPU在ROM上执行的程序的装置。考虑并设置从ICE设备和CPU之间的CPU强制停止信号的发出停止CPU所需的时间,并且确定在停止目标位置之前的CPU强制停止信号发出位置。基于CPU的实时跟踪功能,在程序执行时在CPU强制停止信号的发布位置和定时,发出CPU强制停止信号,CPU停止,并获取事件。通过这种方式,无论断点寄存器的数量如何,都可以获取程序的任意数量的事件。

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