1# 2# RISC-V translation routines for the RVXI Base Integer Instruction Set. 3# 4# Copyright (c) 2018 Peer Adelt, peer.adelt@hni.uni-paderborn.de 5# Bastian Koppelmann, kbastian@mail.uni-paderborn.de 6# 7# This program is free software; you can redistribute it and/or modify it 8# under the terms and conditions of the GNU General Public License, 9# version 2 or later, as published by the Free Software Foundation. 10# 11# This program is distributed in the hope it will be useful, but WITHOUT 12# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 14# more details. 15# 16# You should have received a copy of the GNU General Public License along with 17# this program. If not, see <http://www.gnu.org/licenses/>. 18 19# Fields: 20%rs2 20:5 21%rs1 15:5 22%rd 7:5 23 24# immediates: 25%imm_i 20:s12 26%imm_s 25:s7 7:5 27%imm_b 31:s1 7:1 25:6 8:4 !function=ex_shift_1 28%imm_j 31:s1 12:8 20:1 21:10 !function=ex_shift_1 29%imm_u 12:s20 !function=ex_shift_12 30 31# Argument sets: 32&b imm rs2 rs1 33 34# Formats 32: 35@i ............ ..... ... ..... ....... imm=%imm_i %rs1 %rd 36@b ....... ..... ..... ... ..... ....... &b imm=%imm_b %rs2 %rs1 37@s ....... ..... ..... ... ..... ....... imm=%imm_s %rs2 %rs1 38@u .................... ..... ....... imm=%imm_u %rd 39@j .................... ..... ....... imm=%imm_j %rd 40 41# *** RV32I Base Instruction Set *** 42lui .................... ..... 0110111 @u 43auipc .................... ..... 0010111 @u 44jal .................... ..... 1101111 @j 45jalr ............ ..... 000 ..... 1100111 @i 46beq ....... ..... ..... 000 ..... 1100011 @b 47bne ....... ..... ..... 001 ..... 1100011 @b 48blt ....... ..... ..... 100 ..... 1100011 @b 49bge ....... ..... ..... 101 ..... 1100011 @b 50bltu ....... ..... ..... 110 ..... 1100011 @b 51bgeu ....... ..... ..... 111 ..... 1100011 @b 52lb ............ ..... 000 ..... 0000011 @i 53lh ............ ..... 001 ..... 0000011 @i 54lw ............ ..... 010 ..... 0000011 @i 55lbu ............ ..... 100 ..... 0000011 @i 56lhu ............ ..... 101 ..... 0000011 @i 57sb ....... ..... ..... 000 ..... 0100011 @s 58sh ....... ..... ..... 001 ..... 0100011 @s 59sw ....... ..... ..... 010 ..... 0100011 @s 60