Breakpointing on register access events or I/O port access...

Details Breakpointing on register access events or I/O port access... Breakpointing on register access events or I/O port access...

2011-08-30

2011-08-30

Li, Aimee (Department: 2183)

Electrical computers and digital processing systems: processing

Processing control

Specialized instruction processing in support of testing,...

C714S034000, C714S035000

Reexamination Certificate

active

08010774

ABSTRACT:
A data processing system is provided with breakpoint circuitry having breakpoint registers which can specify a variety of different types of breakpoint conditions. These breakpoint conditions include register access breakpoints which are triggered when an access is made to either a general purpose register or a configuration register. The breakpoints can also include input/output port access breakpoints which are triggered when an access is made to a predetermined one of a plurality of input/output ports by an appropriate program instruction or in another way.

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