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%rs3 27:5 21%rs2 20:5 22%rs1 15:5 23%rd 7:5 24 25%sh10 20:10 26%csr 20:12 27%rm 12:3 28 29# immediates: 30%imm_i 20:s12 31%imm_s 25:s7 7:5 32%imm_b 31:s1 7:1 25:6 8:4 !function=ex_shift_1 33%imm_j 31:s1 12:8 20:1 21:10 !function=ex_shift_1 34%imm_u 12:s20 !function=ex_shift_12 35 36# Argument sets: 37&empty 38&b imm rs2 rs1 39&i imm rs1 rd 40&j imm rd 41&r rd rs1 rs2 42&s imm rs1 rs2 43&u imm rd 44&shift shamt rs1 rd 45&atomic aq rl rs2 rs1 rd 46 47# Formats 32: 48@r ....... ..... ..... ... ..... ....... &r %rs2 %rs1 %rd 49@i ............ ..... ... ..... ....... &i imm=%imm_i %rs1 %rd 50@b ....... ..... ..... ... ..... ....... &b imm=%imm_b %rs2 %rs1 51@s ....... ..... ..... ... ..... ....... &s imm=%imm_s %rs2 %rs1 52@u .................... ..... ....... &u imm=%imm_u %rd 53@j .................... ..... ....... &j imm=%imm_j %rd 54 55@sh ...... ...... ..... ... ..... ....... &shift shamt=%sh10 %rs1 %rd 56@csr ............ ..... ... ..... ....... %csr %rs1 %rd 57 58@atom_ld ..... aq:1 rl:1 ..... ........ ..... ....... &atomic rs2=0 %rs1 %rd 59@atom_st ..... aq:1 rl:1 ..... ........ ..... ....... &atomic %rs2 %rs1 %rd 60 61@r4_rm ..... .. ..... ..... ... ..... ....... %rs3 %rs2 %rs1 %rm %rd 62@r_rm ....... ..... ..... ... ..... ....... %rs2 %rs1 %rm %rd 63@r2_rm ....... ..... ..... ... ..... ....... %rs1 %rm %rd 64@r2 ....... ..... ..... ... ..... ....... %rs1 %rd 65 66@hfence_gvma ....... ..... ..... ... ..... ....... %rs2 %rs1 67@hfence_bvma ....... ..... ..... ... ..... ....... %rs2 %rs1 68 69@sfence_vma ....... ..... ..... ... ..... ....... %rs2 %rs1 70@sfence_vm ....... ..... ..... ... ..... ....... %rs1 71 72 73# *** Privileged Instructions *** 74ecall 000000000000 00000 000 00000 1110011 75ebreak 000000000001 00000 000 00000 1110011 76uret 0000000 00010 00000 000 00000 1110011 77sret 0001000 00010 00000 000 00000 1110011 78mret 0011000 00010 00000 000 00000 1110011 79wfi 0001000 00101 00000 000 00000 1110011 80hfence_gvma 0110001 ..... ..... 000 00000 1110011 @hfence_gvma 81hfence_bvma 0010001 ..... ..... 000 00000 1110011 @hfence_bvma 82sfence_vma 0001001 ..... ..... 000 00000 1110011 @sfence_vma 83sfence_vm 0001000 00100 ..... 000 00000 1110011 @sfence_vm 84 85# *** RV32I Base Instruction Set *** 86lui .................... ..... 0110111 @u 87auipc .................... ..... 0010111 @u 88jal .................... ..... 1101111 @j 89jalr ............ ..... 000 ..... 1100111 @i 90beq ....... ..... ..... 000 ..... 1100011 @b 91bne ....... ..... ..... 001 ..... 1100011 @b 92blt ....... ..... ..... 100 ..... 1100011 @b 93bge ....... ..... ..... 101 ..... 1100011 @b 94bltu ....... ..... ..... 110 ..... 1100011 @b 95bgeu ....... ..... ..... 111 ..... 1100011 @b 96lb ............ ..... 000 ..... 0000011 @i 97lh ............ ..... 001 ..... 0000011 @i 98lw ............ ..... 010 ..... 0000011 @i 99lbu ............ ..... 100 ..... 0000011 @i 100lhu ............ ..... 101 ..... 0000011 @i 101sb ....... ..... ..... 000 ..... 0100011 @s 102sh ....... ..... ..... 001 ..... 0100011 @s 103sw ....... ..... ..... 010 ..... 0100011 @s 104addi ............ ..... 000 ..... 0010011 @i 105slti ............ ..... 010 ..... 0010011 @i 106sltiu ............ ..... 011 ..... 0010011 @i 107xori ............ ..... 100 ..... 0010011 @i 108ori ............ ..... 110 ..... 0010011 @i 109andi ............ ..... 111 ..... 0010011 @i 110slli 00.... ...... ..... 001 ..... 0010011 @sh 111srli 00.... ...... ..... 101 ..... 0010011 @sh 112srai 01.... ...... ..... 101 ..... 0010011 @sh 113add 0000000 ..... ..... 000 ..... 0110011 @r 114sub 0100000 ..... ..... 000 ..... 0110011 @r 115sll 0000000 ..... ..... 001 ..... 0110011 @r 116slt 0000000 ..... ..... 010 ..... 0110011 @r 117sltu 0000000 ..... ..... 011 ..... 0110011 @r 118xor 0000000 ..... ..... 100 ..... 0110011 @r 119srl 0000000 ..... ..... 101 ..... 0110011 @r 120sra 0100000 ..... ..... 101 ..... 0110011 @r 121or 0000000 ..... ..... 110 ..... 0110011 @r 122and 0000000 ..... ..... 111 ..... 0110011 @r 123fence ---- pred:4 succ:4 ----- 000 ----- 0001111 124fence_i ---- ---- ---- ----- 001 ----- 0001111 125csrrw ............ ..... 001 ..... 1110011 @csr 126csrrs ............ ..... 010 ..... 1110011 @csr 127csrrc ............ ..... 011 ..... 1110011 @csr 128csrrwi ............ ..... 101 ..... 1110011 @csr 129csrrsi ............ ..... 110 ..... 1110011 @csr 130csrrci ............ ..... 111 ..... 1110011 @csr 131 132# *** RV32M Standard Extension *** 133mul 0000001 ..... ..... 000 ..... 0110011 @r 134mulh 0000001 ..... ..... 001 ..... 0110011 @r 135mulhsu 0000001 ..... ..... 010 ..... 0110011 @r 136mulhu 0000001 ..... ..... 011 ..... 0110011 @r 137div 0000001 ..... ..... 100 ..... 0110011 @r 138divu 0000001 ..... ..... 101 ..... 0110011 @r 139rem 0000001 ..... ..... 110 ..... 0110011 @r 140remu 0000001 ..... ..... 111 ..... 0110011 @r 141 142# *** RV32A Standard Extension *** 143lr_w 00010 . . 00000 ..... 010 ..... 0101111 @atom_ld 144sc_w 00011 . . ..... ..... 010 ..... 0101111 @atom_st 145amoswap_w 00001 . . ..... ..... 010 ..... 0101111 @atom_st 146amoadd_w 00000 . . ..... ..... 010 ..... 0101111 @atom_st 147amoxor_w 00100 . . ..... ..... 010 ..... 0101111 @atom_st 148amoand_w 01100 . . ..... ..... 010 ..... 0101111 @atom_st 149amoor_w 01000 . . ..... ..... 010 ..... 0101111 @atom_st 150amomin_w 10000 . . ..... ..... 010 ..... 0101111 @atom_st 151amomax_w 10100 . . ..... ..... 010 ..... 0101111 @atom_st 152amominu_w 11000 . . ..... ..... 010 ..... 0101111 @atom_st 153amomaxu_w 11100 . . ..... ..... 010 ..... 0101111 @atom_st 154 155# *** RV32F Standard Extension *** 156flw ............ ..... 010 ..... 0000111 @i 157fsw ....... ..... ..... 010 ..... 0100111 @s 158fmadd_s ..... 00 ..... ..... ... ..... 1000011 @r4_rm 159fmsub_s ..... 00 ..... ..... ... ..... 1000111 @r4_rm 160fnmsub_s ..... 00 ..... ..... ... ..... 1001011 @r4_rm 161fnmadd_s ..... 00 ..... ..... ... ..... 1001111 @r4_rm 162fadd_s 0000000 ..... ..... ... ..... 1010011 @r_rm 163fsub_s 0000100 ..... ..... ... ..... 1010011 @r_rm 164fmul_s 0001000 ..... ..... ... ..... 1010011 @r_rm 165fdiv_s 0001100 ..... ..... ... ..... 1010011 @r_rm 166fsqrt_s 0101100 00000 ..... ... ..... 1010011 @r2_rm 167fsgnj_s 0010000 ..... ..... 000 ..... 1010011 @r 168fsgnjn_s 0010000 ..... ..... 001 ..... 1010011 @r 169fsgnjx_s 0010000 ..... ..... 010 ..... 1010011 @r 170fmin_s 0010100 ..... ..... 000 ..... 1010011 @r 171fmax_s 0010100 ..... ..... 001 ..... 1010011 @r 172fcvt_w_s 1100000 00000 ..... ... ..... 1010011 @r2_rm 173fcvt_wu_s 1100000 00001 ..... ... ..... 1010011 @r2_rm 174fmv_x_w 1110000 00000 ..... 000 ..... 1010011 @r2 175feq_s 1010000 ..... ..... 010 ..... 1010011 @r 176flt_s 1010000 ..... ..... 001 ..... 1010011 @r 177fle_s 1010000 ..... ..... 000 ..... 1010011 @r 178fclass_s 1110000 00000 ..... 001 ..... 1010011 @r2 179fcvt_s_w 1101000 00000 ..... ... ..... 1010011 @r2_rm 180fcvt_s_wu 1101000 00001 ..... ... ..... 1010011 @r2_rm 181fmv_w_x 1111000 00000 ..... 000 ..... 1010011 @r2 182 183# *** RV32D Standard Extension *** 184fld ............ ..... 011 ..... 0000111 @i 185fsd ....... ..... ..... 011 ..... 0100111 @s 186fmadd_d ..... 01 ..... ..... ... ..... 1000011 @r4_rm 187fmsub_d ..... 01 ..... ..... ... ..... 1000111 @r4_rm 188fnmsub_d ..... 01 ..... ..... ... ..... 1001011 @r4_rm 189fnmadd_d ..... 01 ..... ..... ... ..... 1001111 @r4_rm 190fadd_d 0000001 ..... ..... ... ..... 1010011 @r_rm 191fsub_d 0000101 ..... ..... ... ..... 1010011 @r_rm 192fmul_d 0001001 ..... ..... ... ..... 1010011 @r_rm 193fdiv_d 0001101 ..... ..... ... ..... 1010011 @r_rm 194fsqrt_d 0101101 00000 ..... ... ..... 1010011 @r2_rm 195fsgnj_d 0010001 ..... ..... 000 ..... 1010011 @r 196fsgnjn_d 0010001 ..... ..... 001 ..... 1010011 @r 197fsgnjx_d 0010001 ..... ..... 010 ..... 1010011 @r 198fmin_d 0010101 ..... ..... 000 ..... 1010011 @r 199fmax_d 0010101 ..... ..... 001 ..... 1010011 @r 200fcvt_s_d 0100000 00001 ..... ... ..... 1010011 @r2_rm 201fcvt_d_s 0100001 00000 ..... ... ..... 1010011 @r2_rm 202feq_d 1010001 ..... ..... 010 ..... 1010011 @r 203flt_d 1010001 ..... ..... 001 ..... 1010011 @r 204fle_d 1010001 ..... ..... 000 ..... 1010011 @r 205fclass_d 1110001 00000 ..... 001 ..... 1010011 @r2 206fcvt_w_d 1100001 00000 ..... ... ..... 1010011 @r2_rm 207fcvt_wu_d 1100001 00001 ..... ... ..... 1010011 @r2_rm 208fcvt_d_w 1101001 00000 ..... ... ..... 1010011 @r2_rm 209fcvt_d_wu 1101001 00001 ..... ... ..... 1010011 @r2_rm 210