发明申请
- 专利标题: Apparatus and method for protected execution of graphics applications
- 专利标题(中): 保护执行图形应用的装置和方法
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申请号: US10873803申请日: 2004-06-21
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公开(公告)号: US20050283602A1公开(公告)日: 2005-12-22
- 发明人: Balaji Vembu , Clifford Hall , Aditya Sreenivas
- 申请人: Balaji Vembu , Clifford Hall , Aditya Sreenivas
- 主分类号: G06F12/10
- IPC分类号: G06F12/10 ; G06F12/14 ; G06F21/00 ; H04L9/00
摘要:
A method and apparatus for protected execution of graphics are described. In one embodiment, the method includes the formation of a translation table for a trusted application. In one embodiment, the translation table is formed according to one or more protected pages assigned to the trusted application in response to a protected page request from the trusted application. During execution of the trusted application, a virtual address space of the trusted application is translated to the one or more protected pages assigned to the trusted application. In one embodiment, the translation is performed according to the translation table assigned to the trusted application. Accordingly, by assigning a unique translation table to each trusted application, the various trusted applications may execute within the platform without generating an access into another application's physical address space. Other embodiments are described and claimed.
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