CPU Features ============ The QEMU emulation of the OpenRISC architecture provides following built in features. - Shadow GPRs - MMU TLB with 128 entries, 1 way - Power Management (PM) - Programmable Interrupt Controller (PIC) - Tick Timer These features are on by default and the presence can be confirmed by checking the contents of the Unit Presence Register (``UPR``) and CPU Configuration Register (``CPUCFGR``).