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_b 31:s1 7:1 25:6 8:4 !function=ex_shift_1 27%imm_j 31:s1 12:8 20:1 21:10 !function=ex_shift_1 28%imm_u 12:s20 !function=ex_shift_12 29 30# Argument sets: 31&b imm rs2 rs1 32 33# Formats 32: 34@i ............ ..... ... ..... ....... imm=%imm_i %rs1 %rd 35@b ....... ..... ..... ... ..... ....... &b imm=%imm_b %rs2 %rs1 36@u .................... ..... ....... imm=%imm_u %rd 37@j .................... ..... ....... imm=%imm_j %rd 38 39# *** RV32I Base Instruction Set *** 40lui .................... ..... 0110111 @u 41auipc .................... ..... 0010111 @u 42jal .................... ..... 1101111 @j 43jalr ............ ..... 000 ..... 1100111 @i 44beq ....... ..... ..... 000 ..... 1100011 @b 45bne ....... ..... ..... 001 ..... 1100011 @b 46blt ....... ..... ..... 100 ..... 1100011 @b 47bge ....... ..... ..... 101 ..... 1100011 @b 48bltu ....... ..... ..... 110 ..... 1100011 @b 49bgeu ....... ..... ..... 111 ..... 1100011 @b 50