| # "Zicsr", Control and Status Register (CSR) Instructions. | |
| # Version 2.0 | |
| csrrw | i | csr rs1 rd | .................001.....1110011 | |
| csrrs | i | csr rs1 rd | .................010.....1110011 | |
| csrrc | i | csr rs1 rd | .................011.....1110011 | |
| csrrwi | i | csr csr_imm rd | .................101.....1110011 | |
| csrrsi | i | csr csr_imm rd | .................110.....1110011 | |
| csrrci | i | csr csr_imm rd | .................111.....1110011 |