Method of automatic control of the execution of a program by...

Details Method of automatic control of the execution of a program by... Method of automatic control of the execution of a program by...

2005-06-07

2009-02-24

Chan, Eddie P (Department: 2183)

Electrical computers and digital processing systems: processing

Processing control

Specialized instruction processing in support of testing,...

C714S809000

Reexamination Certificate

active

07496738

ABSTRACT:
A method and a circuit of automatic control of the execution of a program by a microprocessor, including: assigning a digital decrement or increment to at least one function of the program; assigning a digital increment, respectively decrement, to at least one section considered as critical as to the program execution and called by the function; setting a counter to a first value; decrementing, respectively incrementing, the counter once per function before a call to a critical section; incrementing, respectively decrementing, the counter on each correct execution of a section; and comparing the current value of the counter with a predetermined critical threshold.

REFERENCES:
patent: 3704363 (1972-11-01), Salmassy et al.
patent: 2001/0010331 (2001-08-01), Hazard
patent: 2005/0033943 (2005-02-01), Weiss
French Search Report from French Patent Application No. 04/51122, filed Jun. 7, 2004.

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