Title:
ELECTRONIC CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/146509
Kind Code:
A1
Abstract:
The present invention improves the utilization efficiency of a shared resource while maintaining the real time nature of multi-core microcomputer processing. According to the present invention, PE 20-1, 20-2, 20-3 store use requests for a shared resource 30 at a use request register 50. On the basis of a request status held at the use request register 50, a PE 10 receives use requests from PE 20-1, 20-2, 20-3 for the shared resource 30 and, on the basis of policy information about the allocation of the shared resource 30, schedules use of the shared resource 30 between the PE 20-1, 20-2, 20-3 for which use requests were received. On the basis of scheduling results for use of the shared resource 30, a user rights control device 60 grants user rights for the shared resource 30 to PE 20-1, 20-2, 20-3, and, on the basis of the user rights granted by the user rights control device 60, PE 20-1, 20-2, 20-3 use the shared resource 30 on an exclusive basis.
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Inventors:
TSUNODA TAKANOBU (JP)
EBINA TOMOHITO (JP)
SERIZAWA KAZUYOSHI (JP)
EBINA TOMOHITO (JP)
SERIZAWA KAZUYOSHI (JP)
Application Number:
PCT/JP2019/001385
Publication Date:
August 01, 2019
Filing Date:
January 18, 2019
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
G06F9/52; G06F9/48
Foreign References:
| JP2015503816A | 2015-02-02 | |||
| JPH10143467A | 1998-05-29 | |||
| US20120084787A1 | 2012-04-05 | |||
| JPH08287016A | 1996-11-01 |
Attorney, Agent or Firm:
TODA Yuji (JP)
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