| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an information processing device capable of protecting peripheral devices without limitation of H/W against access from a CPU, and to provide its access control method. <P>SOLUTION: An information processing device comprising a CPU 210 and multiple peripheral devices 220 and 230 connected to the CPU 210 through a bus 240, comprises a peripheral access protection setting means 215 storing access protection information specifying access permission or prohibition for each of the peripheral devices 220 and 230 corresponding to a kind of a task executed by the CPU 210, and controls CPU 210's access to the peripheral devices 220 and 230 based on the access protection information and address information on the peripheral devices 220 and 230. <P>COPYRIGHT: (C)2012,JPO&INPIT |
