Invention Grant
- Patent Title: Memory management apparatus and method for managing different page tables for different privilege levels
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Application No.: US16367103Application Date: 2019-03-27
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Publication No.: US11144472B2Publication Date: 2021-10-12
- Inventor: Scott Dion Rodgers , Robert S. Chappell , Barry E. Huntley
- Applicant: Intel Corporation
- Applicant Address: US CA Santa Clara
- Assignee: Intel Corporation
- Current Assignee: Intel Corporation
- Current Assignee Address: US CA Santa Clara
- Agency: Nicholson De Vos Webster & Elliott LLP
- Main IPC: G06F12/1009
- IPC: G06F12/1009 ; G06F12/1027 ; G06F12/14

Abstract:
An apparatus and method for managing different page tables for different privilege levels. For example, one embodiment of a processor comprises: a first control register to store a first base address associated with program code executed at a first privilege level; a second control register to store a second base address associated with program code executed at a second privilege level lower than the first privilege level; and address translation circuitry to identify a first base translation table using the first base address responsive to a first address translation request originating from the program code executed at the first privilege level and to identify a second base translation table using the second base address responsive to a second address translation request originating from the program code executed at the second privilege level.
Public/Granted literature
- US20200310978A1 MEMORY MANAGEMENT APPARATUS AND METHOD FOR MANAGING DIFFERENT PAGE TABLES FOR DIFFERENT PRIVILEGE LEVELS Public/Granted day:2020-10-01
Information query
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