# # RISC-V translation routines for the RVXI Base Integer Instruction Set. # # Copyright (c) 2018 Peer Adelt, peer.adelt@hni.uni-paderborn.de # Bastian Koppelmann, kbastian@mail.uni-paderborn.de # # This program is free software; you can redistribute it and/or modify it # under the terms and conditions of the GNU General Public License, # version 2 or later, as published by the Free Software Foundation. # # This program is distributed in the hope it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see . # Fields: %rs3 27:5 %rs2 20:5 %rs1 15:5 %rd 7:5 %sh10 20:10 %csr 20:12 %rm 12:3 %nf 29:3 !function=ex_plus_1 # immediates: %imm_i 20:s12 %imm_s 25:s7 7:5 %imm_b 31:s1 7:1 25:6 8:4 !function=ex_shift_1 %imm_j 31:s1 12:8 20:1 21:10 !function=ex_shift_1 %imm_u 12:s20 !function=ex_shift_12 # Argument sets: &empty &b imm rs2 rs1 &i imm rs1 rd &j imm rd &r rd rs1 rs2 &s imm rs1 rs2 &u imm rd &shift shamt rs1 rd &atomic aq rl rs2 rs1 rd &rwdvm vm wd rd rs1 rs2 &r2nfvm vm rd rs1 nf &rnfvm vm rd rs1 rs2 nf # Formats 32: @r ....... ..... ..... ... ..... ....... &r %rs2 %rs1 %rd @i ............ ..... ... ..... ....... &i imm=%imm_i %rs1 %rd @b ....... ..... ..... ... ..... ....... &b imm=%imm_b %rs2 %rs1 @s ....... ..... ..... ... ..... ....... &s imm=%imm_s %rs2 %rs1 @u .................... ..... ....... &u imm=%imm_u %rd @j .................... ..... ....... &j imm=%imm_j %rd @sh ...... ...... ..... ... ..... ....... &shift shamt=%sh10 %rs1 %rd @csr ............ ..... ... ..... ....... %csr %rs1 %rd @atom_ld ..... aq:1 rl:1 ..... ........ ..... ....... &atomic rs2=0 %rs1 %rd @atom_st ..... aq:1 rl:1 ..... ........ ..... ....... &atomic %rs2 %rs1 %rd @r4_rm ..... .. ..... ..... ... ..... ....... %rs3 %rs2 %rs1 %rm %rd @r_rm ....... ..... ..... ... ..... ....... %rs2 %rs1 %rm %rd @r2_rm ....... ..... ..... ... ..... ....... %rs1 %rm %rd @r2 ....... ..... ..... ... ..... ....... %rs1 %rd @r2_nfvm ... ... vm:1 ..... ..... ... ..... ....... &r2nfvm %nf %rs1 %rd @r_nfvm ... ... vm:1 ..... ..... ... ..... ....... &rnfvm %nf %rs2 %rs1 %rd @r_wdvm ..... wd:1 vm:1 ..... ..... ... ..... ....... &rwdvm %rs2 %rs1 %rd @r2_zimm . zimm:11 ..... ... ..... ....... %rs1 %rd @hfence_gvma ....... ..... ..... ... ..... ....... %rs2 %rs1 @hfence_vvma ....... ..... ..... ... ..... ....... %rs2 %rs1 @sfence_vma ....... ..... ..... ... ..... ....... %rs2 %rs1 @sfence_vm ....... ..... ..... ... ..... ....... %rs1 # *** Privileged Instructions *** ecall 000000000000 00000 000 00000 1110011 ebreak 000000000001 00000 000 00000 1110011 uret 0000000 00010 00000 000 00000 1110011 sret 0001000 00010 00000 000 00000 1110011 mret 0011000 00010 00000 000 00000 1110011 wfi 0001000 00101 00000 000 00000 1110011 sfence_vma 0001001 ..... ..... 000 00000 1110011 @sfence_vma sfence_vm 0001000 00100 ..... 000 00000 1110011 @sfence_vm # *** RV32I Base Instruction Set *** lui .................... ..... 0110111 @u auipc .................... ..... 0010111 @u jal .................... ..... 1101111 @j jalr ............ ..... 000 ..... 1100111 @i beq ....... ..... ..... 000 ..... 1100011 @b bne ....... ..... ..... 001 ..... 1100011 @b blt ....... ..... ..... 100 ..... 1100011 @b bge ....... ..... ..... 101 ..... 1100011 @b bltu ....... ..... ..... 110 ..... 1100011 @b bgeu ....... ..... ..... 111 ..... 1100011 @b lb ............ ..... 000 ..... 0000011 @i lh ............ ..... 001 ..... 0000011 @i lw ............ ..... 010 ..... 0000011 @i lbu ............ ..... 100 ..... 0000011 @i lhu ............ ..... 101 ..... 0000011 @i sb ....... ..... ..... 000 ..... 0100011 @s sh ....... ..... ..... 001 ..... 0100011 @s sw ....... ..... ..... 010 ..... 0100011 @s addi ............ ..... 000 ..... 0010011 @i slti ............ ..... 010 ..... 0010011 @i sltiu ............ ..... 011 ..... 0010011 @i xori ............ ..... 100 ..... 0010011 @i ori ............ ..... 110 ..... 0010011 @i andi ............ ..... 111 ..... 0010011 @i slli 00.... ...... ..... 001 ..... 0010011 @sh srli 00.... ...... ..... 101 ..... 0010011 @sh srai 01.... ...... ..... 101 ..... 0010011 @sh add 0000000 ..... ..... 000 ..... 0110011 @r sub 0100000 ..... ..... 000 ..... 0110011 @r sll 0000000 ..... ..... 001 ..... 0110011 @r slt 0000000 ..... ..... 010 ..... 0110011 @r sltu 0000000 ..... ..... 011 ..... 0110011 @r xor 0000000 ..... ..... 100 ..... 0110011 @r srl 0000000 ..... ..... 101 ..... 0110011 @r sra 0100000 ..... ..... 101 ..... 0110011 @r or 0000000 ..... ..... 110 ..... 0110011 @r and 0000000 ..... ..... 111 ..... 0110011 @r fence ---- pred:4 succ:4 ----- 000 ----- 0001111 fence_i ---- ---- ---- ----- 001 ----- 0001111 csrrw ............ ..... 001 ..... 1110011 @csr csrrs ............ ..... 010 ..... 1110011 @csr csrrc ............ ..... 011 ..... 1110011 @csr csrrwi ............ ..... 101 ..... 1110011 @csr csrrsi ............ ..... 110 ..... 1110011 @csr csrrci ............ ..... 111 ..... 1110011 @csr # *** RV32M Standard Extension *** mul 0000001 ..... ..... 000 ..... 0110011 @r mulh 0000001 ..... ..... 001 ..... 0110011 @r mulhsu 0000001 ..... ..... 010 ..... 0110011 @r mulhu 0000001 ..... ..... 011 ..... 0110011 @r div 0000001 ..... ..... 100 ..... 0110011 @r divu 0000001 ..... ..... 101 ..... 0110011 @r rem 0000001 ..... ..... 110 ..... 0110011 @r remu 0000001 ..... ..... 111 ..... 0110011 @r # *** RV32A Standard Extension *** lr_w 00010 . . 00000 ..... 010 ..... 0101111 @atom_ld sc_w 00011 . . ..... ..... 010 ..... 0101111 @atom_st amoswap_w 00001 . . ..... ..... 010 ..... 0101111 @atom_st amoadd_w 00000 . . ..... ..... 010 ..... 0101111 @atom_st amoxor_w 00100 . . ..... ..... 010 ..... 0101111 @atom_st amoand_w 01100 . . ..... ..... 010 ..... 0101111 @atom_st amoor_w 01000 . . ..... ..... 010 ..... 0101111 @atom_st amomin_w 10000 . . ..... ..... 010 ..... 0101111 @atom_st amomax_w 10100 . . ..... ..... 010 ..... 0101111 @atom_st amominu_w 11000 . . ..... ..... 010 ..... 0101111 @atom_st amomaxu_w 11100 . . ..... ..... 010 ..... 0101111 @atom_st # *** RV32F Standard Extension *** flw ............ ..... 010 ..... 0000111 @i fsw ....... ..... ..... 010 ..... 0100111 @s fmadd_s ..... 00 ..... ..... ... ..... 1000011 @r4_rm fmsub_s ..... 00 ..... ..... ... ..... 1000111 @r4_rm fnmsub_s ..... 00 ..... ..... ... ..... 1001011 @r4_rm fnmadd_s ..... 00 ..... ..... ... ..... 1001111 @r4_rm fadd_s 0000000 ..... ..... ... ..... 1010011 @r_rm fsub_s 0000100 ..... ..... ... ..... 1010011 @r_rm fmul_s 0001000 ..... ..... ... ..... 1010011 @r_rm fdiv_s 0001100 ..... ..... ... ..... 1010011 @r_rm fsqrt_s 0101100 00000 ..... ... ..... 1010011 @r2_rm fsgnj_s 0010000 ..... ..... 000 ..... 1010011 @r fsgnjn_s 0010000 ..... ..... 001 ..... 1010011 @r fsgnjx_s 0010000 ..... ..... 010 ..... 1010011 @r fmin_s 0010100 ..... ..... 000 ..... 1010011 @r fmax_s 0010100 ..... ..... 001 ..... 1010011 @r fcvt_w_s 1100000 00000 ..... ... ..... 1010011 @r2_rm fcvt_wu_s 1100000 00001 ..... ... ..... 1010011 @r2_rm fmv_x_w 1110000 00000 ..... 000 ..... 1010011 @r2 feq_s 1010000 ..... ..... 010 ..... 1010011 @r flt_s 1010000 ..... ..... 001 ..... 1010011 @r fle_s 1010000 ..... ..... 000 ..... 1010011 @r fclass_s 1110000 00000 ..... 001 ..... 1010011 @r2 fcvt_s_w 1101000 00000 ..... ... ..... 1010011 @r2_rm fcvt_s_wu 1101000 00001 ..... ... ..... 1010011 @r2_rm fmv_w_x 1111000 00000 ..... 000 ..... 1010011 @r2 # *** RV32D Standard Extension *** fld ............ ..... 011 ..... 0000111 @i fsd ....... ..... ..... 011 ..... 0100111 @s fmadd_d ..... 01 ..... ..... ... ..... 1000011 @r4_rm fmsub_d ..... 01 ..... ..... ... ..... 1000111 @r4_rm fnmsub_d ..... 01 ..... ..... ... ..... 1001011 @r4_rm fnmadd_d ..... 01 ..... ..... ... ..... 1001111 @r4_rm fadd_d 0000001 ..... ..... ... ..... 1010011 @r_rm fsub_d 0000101 ..... ..... ... ..... 1010011 @r_rm fmul_d 0001001 ..... ..... ... ..... 1010011 @r_rm fdiv_d 0001101 ..... ..... ... ..... 1010011 @r_rm fsqrt_d 0101101 00000 ..... ... ..... 1010011 @r2_rm fsgnj_d 0010001 ..... ..... 000 ..... 1010011 @r fsgnjn_d 0010001 ..... ..... 001 ..... 1010011 @r fsgnjx_d 0010001 ..... ..... 010 ..... 1010011 @r fmin_d 0010101 ..... ..... 000 ..... 1010011 @r fmax_d 0010101 ..... ..... 001 ..... 1010011 @r fcvt_s_d 0100000 00001 ..... ... ..... 1010011 @r2_rm fcvt_d_s 0100001 00000 ..... ... ..... 1010011 @r2_rm feq_d 1010001 ..... ..... 010 ..... 1010011 @r flt_d 1010001 ..... ..... 001 ..... 1010011 @r fle_d 1010001 ..... ..... 000 ..... 1010011 @r fclass_d 1110001 00000 ..... 001 ..... 1010011 @r2 fcvt_w_d 1100001 00000 ..... ... ..... 1010011 @r2_rm fcvt_wu_d 1100001 00001 ..... ... ..... 1010011 @r2_rm fcvt_d_w 1101001 00000 ..... ... ..... 1010011 @r2_rm fcvt_d_wu 1101001 00001 ..... ... ..... 1010011 @r2_rm # *** RV32H Base Instruction Set *** hfence_gvma 0110001 ..... ..... 000 00000 1110011 @hfence_gvma hfence_vvma 0010001 ..... ..... 000 00000 1110011 @hfence_vvma # *** RV32V Extension *** # *** Vector loads and stores are encoded within LOADFP/STORE-FP *** vlb_v ... 100 . 00000 ..... 000 ..... 0000111 @r2_nfvm vlh_v ... 100 . 00000 ..... 101 ..... 0000111 @r2_nfvm vlw_v ... 100 . 00000 ..... 110 ..... 0000111 @r2_nfvm vle_v ... 000 . 00000 ..... 111 ..... 0000111 @r2_nfvm vlbu_v ... 000 . 00000 ..... 000 ..... 0000111 @r2_nfvm vlhu_v ... 000 . 00000 ..... 101 ..... 0000111 @r2_nfvm vlwu_v ... 000 . 00000 ..... 110 ..... 0000111 @r2_nfvm vlbff_v ... 100 . 10000 ..... 000 ..... 0000111 @r2_nfvm vlhff_v ... 100 . 10000 ..... 101 ..... 0000111 @r2_nfvm vlwff_v ... 100 . 10000 ..... 110 ..... 0000111 @r2_nfvm vleff_v ... 000 . 10000 ..... 111 ..... 0000111 @r2_nfvm vlbuff_v ... 000 . 10000 ..... 000 ..... 0000111 @r2_nfvm vlhuff_v ... 000 . 10000 ..... 101 ..... 0000111 @r2_nfvm vlwuff_v ... 000 . 10000 ..... 110 ..... 0000111 @r2_nfvm vsb_v ... 000 . 00000 ..... 000 ..... 0100111 @r2_nfvm vsh_v ... 000 . 00000 ..... 101 ..... 0100111 @r2_nfvm vsw_v ... 000 . 00000 ..... 110 ..... 0100111 @r2_nfvm vse_v ... 000 . 00000 ..... 111 ..... 0100111 @r2_nfvm vlsb_v ... 110 . ..... ..... 000 ..... 0000111 @r_nfvm vlsh_v ... 110 . ..... ..... 101 ..... 0000111 @r_nfvm vlsw_v ... 110 . ..... ..... 110 ..... 0000111 @r_nfvm vlse_v ... 010 . ..... ..... 111 ..... 0000111 @r_nfvm vlsbu_v ... 010 . ..... ..... 000 ..... 0000111 @r_nfvm vlshu_v ... 010 . ..... ..... 101 ..... 0000111 @r_nfvm vlswu_v ... 010 . ..... ..... 110 ..... 0000111 @r_nfvm vssb_v ... 010 . ..... ..... 000 ..... 0100111 @r_nfvm vssh_v ... 010 . ..... ..... 101 ..... 0100111 @r_nfvm vssw_v ... 010 . ..... ..... 110 ..... 0100111 @r_nfvm vsse_v ... 010 . ..... ..... 111 ..... 0100111 @r_nfvm vlxb_v ... 111 . ..... ..... 000 ..... 0000111 @r_nfvm vlxh_v ... 111 . ..... ..... 101 ..... 0000111 @r_nfvm vlxw_v ... 111 . ..... ..... 110 ..... 0000111 @r_nfvm vlxe_v ... 011 . ..... ..... 111 ..... 0000111 @r_nfvm vlxbu_v ... 011 . ..... ..... 000 ..... 0000111 @r_nfvm vlxhu_v ... 011 . ..... ..... 101 ..... 0000111 @r_nfvm vlxwu_v ... 011 . ..... ..... 110 ..... 0000111 @r_nfvm # Vector ordered-indexed and unordered-indexed store insns. vsxb_v ... -11 . ..... ..... 000 ..... 0100111 @r_nfvm vsxh_v ... -11 . ..... ..... 101 ..... 0100111 @r_nfvm vsxw_v ... -11 . ..... ..... 110 ..... 0100111 @r_nfvm vsxe_v ... -11 . ..... ..... 111 ..... 0100111 @r_nfvm #*** Vector AMO operations are encoded under the standard AMO major opcode *** vamoswapw_v 00001 . . ..... ..... 110 ..... 0101111 @r_wdvm vamoaddw_v 00000 . . ..... ..... 110 ..... 0101111 @r_wdvm vamoxorw_v 00100 . . ..... ..... 110 ..... 0101111 @r_wdvm vamoandw_v 01100 . . ..... ..... 110 ..... 0101111 @r_wdvm vamoorw_v 01000 . . ..... ..... 110 ..... 0101111 @r_wdvm vamominw_v 10000 . . ..... ..... 110 ..... 0101111 @r_wdvm vamomaxw_v 10100 . . ..... ..... 110 ..... 0101111 @r_wdvm vamominuw_v 11000 . . ..... ..... 110 ..... 0101111 @r_wdvm vamomaxuw_v 11100 . . ..... ..... 110 ..... 0101111 @r_wdvm # *** new major opcode OP-V *** vsetvli 0 ........... ..... 111 ..... 1010111 @r2_zimm vsetvl 1000000 ..... ..... 111 ..... 1010111 @r