projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 143d6785 SG |
1 | # SPDX-License-Identifier: GPL-2.0-or-later |
| 2 | # | |
| 3 | # LoongArch instruction decode definitions. | |
| 4 | # | |
| 5 | # Copyright (c) 2021 Loongson Technology Corporation Limited | |
| 6 | # | |
| 7 | ||
| 8 | # | |
| 9 | # Fields | |
| 10 | # | |
| bb79174d | 11 | %i14s2 10:s14 !function=shl_2 |
| 143d6785 SG |
12 | %sa2p1 15:2 !function=plus_1 |
| 13 | ||
| 14 | # | |
| 15 | # Argument sets | |
| 16 | # | |
| bb79174d | 17 | &i imm |
| 143d6785 | 18 | &r_i rd imm |
| ad08cb3f | 19 | &rr rd rj |
| 143d6785 SG |
20 | &rrr rd rj rk |
| 21 | &rr_i rd rj imm | |
| bb79174d | 22 | &hint_r_i hint rj imm |
| 143d6785 | 23 | &rrr_sa rd rj rk sa |
| ad08cb3f | 24 | &rr_ms_ls rd rj ms ls |
| 143d6785 SG |
25 | |
| 26 | # | |
| 27 | # Formats | |
| 28 | # | |
| bb79174d | 29 | @i15 .... ........ ..... imm:15 &i |
| ad08cb3f | 30 | @rr .... ........ ..... ..... rj:5 rd:5 &rr |
| 143d6785 SG |
31 | @rrr .... ........ ..... rk:5 rj:5 rd:5 &rrr |
| 32 | @r_i20 .... ... imm:s20 rd:5 &r_i | |
| 63cfcd47 SG |
33 | @rr_ui5 .... ........ ..... imm:5 rj:5 rd:5 &rr_i |
| 34 | @rr_ui6 .... ........ .... imm:6 rj:5 rd:5 &rr_i | |
| 143d6785 SG |
35 | @rr_i12 .... ...... imm:s12 rj:5 rd:5 &rr_i |
| 36 | @rr_ui12 .... ...... imm:12 rj:5 rd:5 &rr_i | |
| bb79174d | 37 | @rr_i14s2 .... .... .............. rj:5 rd:5 &rr_i imm=%i14s2 |
| 143d6785 | 38 | @rr_i16 .... .. imm:s16 rj:5 rd:5 &rr_i |
| bb79174d | 39 | @hint_r_i12 .... ...... imm:s12 rj:5 hint:5 &hint_r_i |
| 143d6785 | 40 | @rrr_sa2p1 .... ........ ... .. rk:5 rj:5 rd:5 &rrr_sa sa=%sa2p1 |
| ad08cb3f SG |
41 | @rrr_sa2 .... ........ ... sa:2 rk:5 rj:5 rd:5 &rrr_sa |
| 42 | @rrr_sa3 .... ........ .. sa:3 rk:5 rj:5 rd:5 &rrr_sa | |
| 43 | @rr_2bw .... ....... ms:5 . ls:5 rj:5 rd:5 &rr_ms_ls | |
| 44 | @rr_2bd .... ...... ms:6 ls:6 rj:5 rd:5 &rr_ms_ls | |
| 143d6785 SG |
45 | |
| 46 | # | |
| 47 | # Fixed point arithmetic operation instruction | |
| 48 | # | |
| 49 | add_w 0000 00000001 00000 ..... ..... ..... @rrr | |
| 50 | add_d 0000 00000001 00001 ..... ..... ..... @rrr | |
| 51 | sub_w 0000 00000001 00010 ..... ..... ..... @rrr | |
| 52 | sub_d 0000 00000001 00011 ..... ..... ..... @rrr | |
| 53 | slt 0000 00000001 00100 ..... ..... ..... @rrr | |
| 54 | sltu 0000 00000001 00101 ..... ..... ..... @rrr | |
| 55 | slti 0000 001000 ............ ..... ..... @rr_i12 | |
| 56 | sltui 0000 001001 ............ ..... ..... @rr_i12 | |
| 57 | nor 0000 00000001 01000 ..... ..... ..... @rrr | |
| 58 | and 0000 00000001 01001 ..... ..... ..... @rrr | |
| 59 | or 0000 00000001 01010 ..... ..... ..... @rrr | |
| 60 | xor 0000 00000001 01011 ..... ..... ..... @rrr | |
| 61 | orn 0000 00000001 01100 ..... ..... ..... @rrr | |
| 62 | andn 0000 00000001 01101 ..... ..... ..... @rrr | |
| 63 | mul_w 0000 00000001 11000 ..... ..... ..... @rrr | |
| 64 | mulh_w 0000 00000001 11001 ..... ..... ..... @rrr | |
| 65 | mulh_wu 0000 00000001 11010 ..... ..... ..... @rrr | |
| 66 | mul_d 0000 00000001 11011 ..... ..... ..... @rrr | |
| 67 | mulh_d 0000 00000001 11100 ..... ..... ..... @rrr | |
| 68 | mulh_du 0000 00000001 11101 ..... ..... ..... @rrr | |
| 69 | mulw_d_w 0000 00000001 11110 ..... ..... ..... @rrr | |
| 70 | mulw_d_wu 0000 00000001 11111 ..... ..... ..... @rrr | |
| 71 | div_w 0000 00000010 00000 ..... ..... ..... @rrr | |
| 72 | mod_w 0000 00000010 00001 ..... ..... ..... @rrr | |
| 73 | div_wu 0000 00000010 00010 ..... ..... ..... @rrr | |
| 74 | mod_wu 0000 00000010 00011 ..... ..... ..... @rrr | |
| 75 | div_d 0000 00000010 00100 ..... ..... ..... @rrr | |
| 76 | mod_d 0000 00000010 00101 ..... ..... ..... @rrr | |
| 77 | div_du 0000 00000010 00110 ..... ..... ..... @rrr | |
| 78 | mod_du 0000 00000010 00111 ..... ..... ..... @rrr | |
| 79 | alsl_w 0000 00000000 010 .. ..... ..... ..... @rrr_sa2p1 | |
| 80 | alsl_wu 0000 00000000 011 .. ..... ..... ..... @rrr_sa2p1 | |
| 81 | alsl_d 0000 00000010 110 .. ..... ..... ..... @rrr_sa2p1 | |
| 82 | lu12i_w 0001 010 .................... ..... @r_i20 | |
| 83 | lu32i_d 0001 011 .................... ..... @r_i20 | |
| 84 | lu52i_d 0000 001100 ............ ..... ..... @rr_i12 | |
| 85 | pcaddi 0001 100 .................... ..... @r_i20 | |
| 86 | pcalau12i 0001 101 .................... ..... @r_i20 | |
| 87 | pcaddu12i 0001 110 .................... ..... @r_i20 | |
| 88 | pcaddu18i 0001 111 .................... ..... @r_i20 | |
| 89 | addi_w 0000 001010 ............ ..... ..... @rr_i12 | |
| 90 | addi_d 0000 001011 ............ ..... ..... @rr_i12 | |
| 91 | addu16i_d 0001 00 ................ ..... ..... @rr_i16 | |
| 92 | andi 0000 001101 ............ ..... ..... @rr_ui12 | |
| 93 | ori 0000 001110 ............ ..... ..... @rr_ui12 | |
| 94 | xori 0000 001111 ............ ..... ..... @rr_ui12 | |
| 63cfcd47 SG |
95 | |
| 96 | # | |
| 97 | # Fixed point shift operation instruction | |
| 98 | # | |
| 99 | sll_w 0000 00000001 01110 ..... ..... ..... @rrr | |
| 100 | srl_w 0000 00000001 01111 ..... ..... ..... @rrr | |
| 101 | sra_w 0000 00000001 10000 ..... ..... ..... @rrr | |
| 102 | sll_d 0000 00000001 10001 ..... ..... ..... @rrr | |
| 103 | srl_d 0000 00000001 10010 ..... ..... ..... @rrr | |
| 104 | sra_d 0000 00000001 10011 ..... ..... ..... @rrr | |
| 105 | rotr_w 0000 00000001 10110 ..... ..... ..... @rrr | |
| 106 | rotr_d 0000 00000001 10111 ..... ..... ..... @rrr | |
| 107 | slli_w 0000 00000100 00001 ..... ..... ..... @rr_ui5 | |
| 108 | slli_d 0000 00000100 0001 ...... ..... ..... @rr_ui6 | |
| 109 | srli_w 0000 00000100 01001 ..... ..... ..... @rr_ui5 | |
| 110 | srli_d 0000 00000100 0101 ...... ..... ..... @rr_ui6 | |
| 111 | srai_w 0000 00000100 10001 ..... ..... ..... @rr_ui5 | |
| 112 | srai_d 0000 00000100 1001 ...... ..... ..... @rr_ui6 | |
| 113 | rotri_w 0000 00000100 11001 ..... ..... ..... @rr_ui5 | |
| 114 | rotri_d 0000 00000100 1101 ...... ..... ..... @rr_ui6 | |
| ad08cb3f SG |
115 | |
| 116 | # | |
| 117 | # Fixed point bit operation instruction | |
| 118 | # | |
| 119 | ext_w_h 0000 00000000 00000 10110 ..... ..... @rr | |
| 120 | ext_w_b 0000 00000000 00000 10111 ..... ..... @rr | |
| 121 | clo_w 0000 00000000 00000 00100 ..... ..... @rr | |
| 122 | clz_w 0000 00000000 00000 00101 ..... ..... @rr | |
| 123 | cto_w 0000 00000000 00000 00110 ..... ..... @rr | |
| 124 | ctz_w 0000 00000000 00000 00111 ..... ..... @rr | |
| 125 | clo_d 0000 00000000 00000 01000 ..... ..... @rr | |
| 126 | clz_d 0000 00000000 00000 01001 ..... ..... @rr | |
| 127 | cto_d 0000 00000000 00000 01010 ..... ..... @rr | |
| 128 | ctz_d 0000 00000000 00000 01011 ..... ..... @rr | |
| 129 | revb_2h 0000 00000000 00000 01100 ..... ..... @rr | |
| 130 | revb_4h 0000 00000000 00000 01101 ..... ..... @rr | |
| 131 | revb_2w 0000 00000000 00000 01110 ..... ..... @rr | |
| 132 | revb_d 0000 00000000 00000 01111 ..... ..... @rr | |
| 133 | revh_2w 0000 00000000 00000 10000 ..... ..... @rr | |
| 134 | revh_d 0000 00000000 00000 10001 ..... ..... @rr | |
| 135 | bitrev_4b 0000 00000000 00000 10010 ..... ..... @rr | |
| 136 | bitrev_8b 0000 00000000 00000 10011 ..... ..... @rr | |
| 137 | bitrev_w 0000 00000000 00000 10100 ..... ..... @rr | |
| 138 | bitrev_d 0000 00000000 00000 10101 ..... ..... @rr | |
| 139 | bytepick_w 0000 00000000 100 .. ..... ..... ..... @rrr_sa2 | |
| 140 | bytepick_d 0000 00000000 11 ... ..... ..... ..... @rrr_sa3 | |
| 141 | maskeqz 0000 00000001 00110 ..... ..... ..... @rrr | |
| 142 | masknez 0000 00000001 00111 ..... ..... ..... @rrr | |
| 143 | bstrins_w 0000 0000011 ..... 0 ..... ..... ..... @rr_2bw | |
| 144 | bstrpick_w 0000 0000011 ..... 1 ..... ..... ..... @rr_2bw | |
| 145 | bstrins_d 0000 000010 ...... ...... ..... ..... @rr_2bd | |
| 146 | bstrpick_d 0000 000011 ...... ...... ..... ..... @rr_2bd | |
| bb79174d SG |
147 | |
| 148 | # | |
| 149 | # Fixed point load/store instruction | |
| 150 | # | |
| 151 | ld_b 0010 100000 ............ ..... ..... @rr_i12 | |
| 152 | ld_h 0010 100001 ............ ..... ..... @rr_i12 | |
| 153 | ld_w 0010 100010 ............ ..... ..... @rr_i12 | |
| 154 | ld_d 0010 100011 ............ ..... ..... @rr_i12 | |
| 155 | st_b 0010 100100 ............ ..... ..... @rr_i12 | |
| 156 | st_h 0010 100101 ............ ..... ..... @rr_i12 | |
| 157 | st_w 0010 100110 ............ ..... ..... @rr_i12 | |
| 158 | st_d 0010 100111 ............ ..... ..... @rr_i12 | |
| 159 | ld_bu 0010 101000 ............ ..... ..... @rr_i12 | |
| 160 | ld_hu 0010 101001 ............ ..... ..... @rr_i12 | |
| 161 | ld_wu 0010 101010 ............ ..... ..... @rr_i12 | |
| 162 | ldx_b 0011 10000000 00000 ..... ..... ..... @rrr | |
| 163 | ldx_h 0011 10000000 01000 ..... ..... ..... @rrr | |
| 164 | ldx_w 0011 10000000 10000 ..... ..... ..... @rrr | |
| 165 | ldx_d 0011 10000000 11000 ..... ..... ..... @rrr | |
| 166 | stx_b 0011 10000001 00000 ..... ..... ..... @rrr | |
| 167 | stx_h 0011 10000001 01000 ..... ..... ..... @rrr | |
| 168 | stx_w 0011 10000001 10000 ..... ..... ..... @rrr | |
| 169 | stx_d 0011 10000001 11000 ..... ..... ..... @rrr | |
| 170 | ldx_bu 0011 10000010 00000 ..... ..... ..... @rrr | |
| 171 | ldx_hu 0011 10000010 01000 ..... ..... ..... @rrr | |
| 172 | ldx_wu 0011 10000010 10000 ..... ..... ..... @rrr | |
| 173 | preld 0010 101011 ............ ..... ..... @hint_r_i12 | |
| 174 | dbar 0011 10000111 00100 ............... @i15 | |
| 175 | ibar 0011 10000111 00101 ............... @i15 | |
| 176 | ldptr_w 0010 0100 .............. ..... ..... @rr_i14s2 | |
| 177 | stptr_w 0010 0101 .............. ..... ..... @rr_i14s2 | |
| 178 | ldptr_d 0010 0110 .............. ..... ..... @rr_i14s2 | |
| 179 | stptr_d 0010 0111 .............. ..... ..... @rr_i14s2 | |
| 180 | ldgt_b 0011 10000111 10000 ..... ..... ..... @rrr | |
| 181 | ldgt_h 0011 10000111 10001 ..... ..... ..... @rrr | |
| 182 | ldgt_w 0011 10000111 10010 ..... ..... ..... @rrr | |
| 183 | ldgt_d 0011 10000111 10011 ..... ..... ..... @rrr | |
| 184 | ldle_b 0011 10000111 10100 ..... ..... ..... @rrr | |
| 185 | ldle_h 0011 10000111 10101 ..... ..... ..... @rrr | |
| 186 | ldle_w 0011 10000111 10110 ..... ..... ..... @rrr | |
| 187 | ldle_d 0011 10000111 10111 ..... ..... ..... @rrr | |
| 188 | stgt_b 0011 10000111 11000 ..... ..... ..... @rrr | |
| 189 | stgt_h 0011 10000111 11001 ..... ..... ..... @rrr | |
| 190 | stgt_w 0011 10000111 11010 ..... ..... ..... @rrr | |
| 191 | stgt_d 0011 10000111 11011 ..... ..... ..... @rrr | |
| 192 | stle_b 0011 10000111 11100 ..... ..... ..... @rrr | |
| 193 | stle_h 0011 10000111 11101 ..... ..... ..... @rrr | |
| 194 | stle_w 0011 10000111 11110 ..... ..... ..... @rrr | |
| 195 | stle_d 0011 10000111 11111 ..... ..... ..... @rrr |