qemu-e2k/docs/system/openrisc/cpu-features.rst
Stafford Horne b14df228d7 docs/system: openrisc: Add OpenRISC documentation
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Stafford Horne <shorne@gmail.com>
2022-09-04 07:02:57 +01:00

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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``).