Apparatus and method for debugging/modifying ROM-based software

Details Apparatus and method for debugging/modifying ROM-based software Apparatus and method for debugging/modifying ROM-based software

1995-09-13

1998-04-14

Nguyen, Hoa T.

395705, G06F 1100, G06F 9445

Patent

active

057403511

ABSTRACT:
Debugging and/or modifying of ROM-based embedded software systems is realized by advantageously employing an extensible interpreter and inserting requests for "Customizable Call-Outs" (CCOs) throughout the ROM-based embedded software. Then, the ROM-based embedded software system can easily be directly enhanced, i.e., extended, at run time to provide virtually limitless new functionality. Advantages of the invention are that the ROM-based embedded system software does not need to be rebuilt or reloaded, and the functionality of the debugging/modifying software is decided at the time of detecting a problem and/or of providing a modification, not before. By employing the extensible interpreter, the extension to the ROM-based embedded software is implemented, i.e., written and loaded, in the system directly, without the need for or use of an additional external computer platform or compiler.

REFERENCES:
patent: 4312066 (1982-01-01), Bartz et al.
patent: 4589068 (1986-05-01), Heinen, Jr.
patent: 4719564 (1988-01-01), Hara
patent: 4819234 (1989-04-01), Huber
European Search Report, dated Dec. 30, 1993, regarding EPO Application Number EP 93 30 8344.
Software Practice & Experience, vol. 20, No. 5, May 1990, entitled "A Symbolic Debugger for Real-Time Embedded Ada Software", by Dan Lyttle et al.
IBM Technical Disclosure Bulletin, vol. 28, No. 6, p. 2637, dated Nov. 1985, entitled "Realtime debugging operation".
Patent No. 4,607,332, filed on Jan. 14, 1983 and issued on Aug. 19, 1986 to Edward S. Goldberg. Class: 364/300.

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