发明名称 |
INFORMATION COMMUNICATION DEVICE, AND PROGRAM EXECUTION ENVIRONMENT CONTROL METHOD |
摘要 |
A device and a method are provided for increasing processing speed and for ensuring system security when an application or a driver is added. The device includes a first CPU group 10A that executes software 20A composed of basic processing 22 and an OS 21A; a second CPU group 10B that executes software 20B composed of additional processing 23 and OS 21B corresponding to the additional processing, inter-processor communication means 40 1 and 40 2 used for communication between the first CPU 10A and the second CPU 10B, and access control means 30 that controls access made by the second CPU 10B to a memory 50 and/or an input/output device 60. |
申请公布号 |
EP1811387(A1) |
申请公布日期 |
2007.07.25 |
申请号 |
EP20050780246 |
申请日期 |
2005.08.15 |
申请人 |
NEC CORPORATION |
发明人 |
INOUE, HIROAKI;SAKAI, JUNJI;ABE, TSUYOSHI;EDAHIRO, MASATO |
分类号 |
G06F21/52;G06F9/50;G06F9/54;G06F12/14;G06F21/56 |
主分类号 |
G06F21/52 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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