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.

Date of Patent:
Aug. 01, 2017

Filed:

Jul. 07, 2014
Applicant:

Xilinx, Inc., San Jose, CA (US);

Inventors:

Ygal Arbel, Morgan Hill, CA (US);

Sagheer Ahmad, Cupertino, CA (US);

Sarosh I. Azad, Fremont, CA (US);

Assignee:

XILINX, INC., San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 13/364 (2006.01); G06F 13/40 (2006.01); G06F 12/14 (2006.01); G06F 21/78 (2013.01); G06F 21/85 (2013.01);
U.S. Cl.
CPC ...
G06F 13/404 (2013.01); G06F 12/145 (2013.01); G06F 12/1441 (2013.01); G06F 21/78 (2013.01); G06F 21/85 (2013.01);
Abstract

Approaches for bridging communication between first and second buses are disclosed. Address translation information and associated security indicators are stored in a memory. Each access request from the first bus includes a first requester security indicator and a requested address. Each access request from the first bus and directed to the second bus is either rejected, or translated and communicated to the second bus, based on the requester security indicator and the security indicator associated with the address translation information for the requested address. Each access request from the second bus to the first bus includes the requested address, and the access request is translated and communicated to the first bus along with the security indicator that is associated with the address translation information for the requested address.


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