Title:
INTERRUPT SOURCE MANAGEMENT DEVICE AND INTERRUPT PROCESSING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2012/081085
Kind Code:
A1
Abstract:
In the present invention, a peripheral apparatus transmits an interrupt generation notification to a bus bridge, whereupon the bus bridge receives the interrupt generation notification, forwards the received interrupt generation notification to a CPU, and reads the interrupt source from the peripheral apparatus which is the transmission origin of the interrupt generation notification, whereupon the interrupt source which has been read is written into memory. The CPU, upon receiving the interrupt generation notification, reads the interrupt source from the memory which is accessible at high speed, and starts interrupt processing in response to the read source so that it is possible to shorten the interrupt processing time to start of the interrupt processing.
Inventors:
OSAGAWA DAISUKE (JP)
Application Number:
PCT/JP2010/072479
Publication Date:
June 21, 2012
Filing Date:
December 14, 2010
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
OSAGAWA DAISUKE (JP)
OSAGAWA DAISUKE (JP)
International Classes:
G06F9/48
Foreign References:
| JP2006236234A | 2006-09-07 | |||
| JPH04177535A | 1992-06-24 | |||
| JP2007310526A | 2007-11-29 | |||
| JP2001236238A | 2001-08-31 |
Attorney, Agent or Firm:
MIZOI, Shoji et al. (JP)
Shoji Mizoi (JP)
Shoji Mizoi (JP)
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Claims: