The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 27, 2010
Filed:
May. 30, 2006
Edmond John Simon Ashfield, Cambridge, GB;
Michael John Williams, Ely, GB;
John Michael Horley, Linton, GB;
Richard Roy Grisenthwaite, Guilden Morden, Nr Royston, GB;
Edmond John Simon Ashfield, Cambridge, GB;
Michael John Williams, Ely, GB;
John Michael Horley, Linton, GB;
Richard Roy Grisenthwaite, Guilden Morden, Nr Royston, GB;
ARM Limited, Cambridge, GB;
Abstract
Tracing logic for monitoring a stream of processing instructions from a program being processed by a data processor is disclosed, said tracing logic comprising monitoring logic operable to detect processing of said instructions in said instruction stream; detect which of said instructions in said instruction stream are conditional direct branch instructions, which of said instructions in said instruction stream are conditional indirect branch instructions and which of said instructions in said instruction stream are unconditional indirect branch instructions; said tracing logic further comprising compression logic operable to: designate said conditional direct branch instructions, said conditional indirect branch instructions and said indirect branch instructions as marker instructions; for each marker instruction, output an execution indicator indicating if said marker instruction has executed or a non-execution indicator indicating if said marker instruction has not executed and not output data relating to previously processed instructions that are not marker instructions.