A system and method of detecting events such as DMA requests, computation operations, configuration set-up operations, occurring in a processing system which are performed by functional system blocks within the system by using logic flags stored in registers within each of the functional system blocks....http://www.google.fr/patents/US6370596?utm_source=gb-gplus-shareBrevet US6370596 - Logic flag registers for monitoring processing system events
Logic flag registers for monitoring processing system events