| 摘要 |
A processor system including a CPU core, a functional unit connected to the CPU core, and a plurality of register banks each having at least one system register storing at least one of control information and operation status of at least one of the CPU core and the functional unit therein. Furthermore, the register banks comprise a user bank and a non-user bank, an access to the user bank made by an application program is allowed, and an access to the non-user bank made by the application program is prohibited. |
