| # |
| # RISC-V translation routines for the MIPS extension |
| # |
| # Copyright (c) 2025 MIPS |
| # |
| # SPDX-License-Identifier: GPL-2.0-or-later |
| # |
| # Reference: MIPS P8700 instructions |
| # (https://mips.com/products/hardware/p8700/) |
| |
| # Fields |
| %rs3 27:5 |
| %rs2 20:5 |
| %rs1 15:5 |
| %rd 7:5 |
| %imm_9 20:9 |
| %imm_hint 7:5 |
| %imm_v 25:2 9:3 !function=ex_shift_2 |
| %imm_w 25:2 10:2 !function=ex_shift_3 |
| %imm_x 22:5 !function=ex_shift_2 |
| %imm_y 23:4 !function=ex_shift_3 |
| |
| # Formats |
| @r4_immv ..... .. ..... ..... ... ... .. ....... %rs2 %rs3 %imm_v %rs1 |
| @r4_immw ..... .. ..... ..... ... .. ... ....... %rs2 %rs3 %imm_w %rs1 |
| @r4_immx ..... ..... .. ..... ... ..... ....... %rs3 %imm_x %rs1 %rd |
| @r4_immy ..... .... ... ..... ... ..... ....... %rs3 %imm_y %rs1 %rd |
| |
| # *** RV64 MIPS Extension *** |
| ccmov rs3:5 11 rs2:5 rs1:5 011 rd:5 0001011 |
| pref 000 imm_9:9 rs1:5 000 imm_hint:5 0001011 |
| ldp ..... .... 000 ..... 100 ..... 0001011 @r4_immy |
| lwp ..... ..... 01 ..... 100 ..... 0001011 @r4_immx |
| sdp ..... .. ..... ..... 101 .. 0000001011 @r4_immw |
| swp ..... .. ..... ..... 101 ... 010001011 @r4_immv |
