Microprocessor, method for transmitting signals between the microprocessor and debugging tools, and method for tracing
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United States of America Patent
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Aug 24, 1999
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N/A
app pub date -
Dec 28, 1995
filing date -
Dec 28, 1994
priority date (Note) -
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Abstract
A system provides debugging functions for high-speed processors by adding a comparatively small amount of hardware to the microprocessor. A debugging module which receives part of the debugging function is placed in a microprocessor and is connected with a debugging tool outside the processor. In the debugging module, a processor core in the processor accesses and executes a monitor program in the debugging tool 60 through the debugging module. In the normal mode, while the processor executes a user program, the debugging module receives trace information and sends it to the debugging tool and also performs tasks related to the breakpoints.
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