Multiplication and Division Unit -MDU
This multiplication and division unit is in compliance with RISC-V standard M-extension, which can be integrated with any existing RISC-V processor.
Two operands, function3, and a valid signal are fetched from the
target processor and fed to the MDU. The function3 signal which is named
as i_mdu_op, it decides that which operation MDU has to perform on the arrival of a valid signal as shown in the table below.
| Instruction | i_mdu_op |
|---|---|
| MUL | 000 |
| MULH | 001 |
| MULHSU | 010 |
| MULHU | 011 |
| DIV | 100 |
| DIVU | 101 |
| REM | 110 |
| REMU | 111 |