- Zephyr BSP: Port to Zephyr 4.0.0
- Fix mstatus[mpp] field
- Fix misa and mstatus being triggered at the same time
- Add documentation for extension interface
- Add Subservient documentation
- Add 4-bit mode (QERV)
- Add simulation debug module
- New servant ports: Trenz Electronic TE0802
- Make slt, branches and shifts one cycle faster