DATA PROCESSOR DEVICE FOR HANDLING A WATCHPOINT AND METHOD THEREOF
First Claim
Patent Images
1. A data processing system comprising:
- an interconnect;
a central processing unit coupled to the interconnect;
a memory coupled to the interconnect, the memory is accessed by the central processing unit via the interconnect;
a debug circuit coupled to the interconnect, the debug circuit including;
a trace module;
a watchpoint module;
a trace message buffer; and
a debug control module configured todetect a specified system event;
examine a plurality of messages in the trace message buffer for at least one characteristic; and
selectively remove at least a portion of one or more of the messages that have the at least one characteristic.
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Abstract
Upon detecting an occurrence of a watchpoint event for debugging a computer processing system, at least a portion of at least one message in a trace message buffer is flushed when a characteristic of the at least one of the messages matches a specified characteristic.
13 Citations
20 Claims
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1. A data processing system comprising:
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an interconnect; a central processing unit coupled to the interconnect; a memory coupled to the interconnect, the memory is accessed by the central processing unit via the interconnect; a debug circuit coupled to the interconnect, the debug circuit including; a trace module; a watchpoint module; a trace message buffer; and a debug control module configured to detect a specified system event; examine a plurality of messages in the trace message buffer for at least one characteristic; and selectively remove at least a portion of one or more of the messages that have the at least one characteristic. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method comprising:
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detecting an occurrence of a watchpoint event for debugging a computer processing system; flushing at least a portion of at least one of a plurality of messages in a trace message buffer in the computer processing system upon detecting the occurrence of the watchpoint event, wherein a characteristic of the at least one of the messages matches a specified characteristic. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification