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).