Invention Grant
US09183161B2 Apparatus and method for page walk extension for enhanced security checks
有权
用于页面扩展的装置和方法，用于增强的安全检查
- Patent Title: Apparatus and method for page walk extension for enhanced security checks
- Patent Title (中): 用于页面扩展的装置和方法，用于增强的安全检查
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Application No.: US13730563Application Date: 2012-12-28
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Publication No.: US09183161B2Publication Date: 2015-11-10
- Inventor: Gur Hildesheim , Ittai Anati , Hisham Shafi , Shlomo Raikin , Gideon Gerzon , Uday R Savagaonkar , Carlos V Rozas , Francis X McKeen , Michael A Goldsmith , Dewan Prashant
- 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: G06F12/14
- IPC: G06F12/14 ; G06F21/53 ; G06F12/08 ; G06F12/10
Abstract:
An apparatus and method for managing a protection table by a processor. For example, a processor according to one embodiment of the invention comprises: protection table management logic to manage a protection table, the protection table having an entry for each protected page or each group of protected pages in memory; wherein the protection table management logic prevents direct access to the protection table by user application program code and operating system program code but permits direct access by the processor.
Public/Granted literature
- US20140189274A1 APPARATUS AND METHOD FOR PAGE WALK EXTENSION FOR ENHANCED SECURITY CHECKS Public/Granted day:2014-07-03
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