Invention Grant
- Patent Title: Multiple sets of attribute fields within a single page table entry
- Patent Title (中): 单个页表条目中的多组属性字段
-
Application No.: US13565434Application Date: 2012-08-02
-
Publication No.: US08938602B2Publication Date: 2015-01-20
- Inventor: Colin Christopher Sharp , Thomas Andrew Sartorius
- Applicant: Colin Christopher Sharp , Thomas Andrew Sartorius
- Applicant Address: US CA San Diego
- Assignee: QUALCOMM Incorporated
- Current Assignee: QUALCOMM Incorporated
- Current Assignee Address: US CA San Diego
- Agency: Shumaker & Sieffert, P.A.
- Main IPC: G06F12/00
- IPC: G06F12/00 ; G06F13/00

Abstract:
A first processing unit and a second processing unit can access a system memory that stores a common page table that is common to the first processing unit and the second processing unit. The common page table can store virtual memory addresses to physical memory addresses mapping for memory chunks accessed by a job of an application. A page entry, within the common page table, can include a first set of attribute bits that defines accessibility of the memory chunk by the first processing unit, a second set of attribute bits that defines accessibility of the same memory chunk by the second processing unit, and physical address bits that define a physical address of the memory chunk.
Public/Granted literature
- US20140040593A1 MULTIPLE SETS OF ATTRIBUTE FIELDS WITHIN A SINGLE PAGE TABLE ENTRY Public/Granted day:2014-02-06
Information query