17de9729fSRichard Henderson# 27de9729fSRichard Henderson# OpenRISC instruction decode definitions. 37de9729fSRichard Henderson# 47de9729fSRichard Henderson# Copyright (c) 2018 Richard Henderson <rth@twiddle.net> 57de9729fSRichard Henderson# 67de9729fSRichard Henderson# This library is free software; you can redistribute it and/or 77de9729fSRichard Henderson# modify it under the terms of the GNU Lesser General Public 87de9729fSRichard Henderson# License as published by the Free Software Foundation; either 9198a2d21SThomas Huth# version 2.1 of the License, or (at your option) any later version. 107de9729fSRichard Henderson# 117de9729fSRichard Henderson# This library is distributed in the hope that it will be useful, 127de9729fSRichard Henderson# but WITHOUT ANY WARRANTY; without even the implied warranty of 137de9729fSRichard Henderson# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 147de9729fSRichard Henderson# Lesser General Public License for more details. 157de9729fSRichard Henderson# 167de9729fSRichard Henderson# You should have received a copy of the GNU Lesser General Public 177de9729fSRichard Henderson# License along with this library; if not, see <http://www.gnu.org/licenses/>. 187de9729fSRichard Henderson# 197de9729fSRichard Henderson 206ad216abSRichard Henderson&dab d a b 216ad216abSRichard Henderson&da d a 226ad216abSRichard Henderson&ab a b 23e20c2592SRichard Henderson&dal d a l 24032de4fcSRichard Henderson&ai a i 2562f2b038SRichard Henderson&dab_pair d a b dp ap bp 2662f2b038SRichard Henderson&ab_pair a b ap bp 2762f2b038SRichard Henderson&da_pair d a dp ap 286ad216abSRichard Henderson 297de9729fSRichard Henderson#### 307de9729fSRichard Henderson# System Instructions 317de9729fSRichard Henderson#### 327de9729fSRichard Henderson 337de9729fSRichard Hendersonl_sys 001000 0000000000 k:16 347de9729fSRichard Hendersonl_trap 001000 0100000000 k:16 357de9729fSRichard Hendersonl_msync 001000 1000000000 00000000 00000000 367de9729fSRichard Hendersonl_psync 001000 1010000000 00000000 00000000 377de9729fSRichard Hendersonl_csync 001000 1100000000 00000000 00000000 38136e13aeSRichard Henderson 398816f70bSRichard Hendersonl_rfe 001001 ----- ----- -------- -------- 408816f70bSRichard Henderson 41136e13aeSRichard Henderson#### 42136e13aeSRichard Henderson# Branch Instructions 43136e13aeSRichard Henderson#### 44136e13aeSRichard Henderson 45136e13aeSRichard Hendersonl_j 000000 n:s26 46136e13aeSRichard Hendersonl_jal 000001 n:s26 47136e13aeSRichard Hendersonl_bnf 000011 n:s26 48136e13aeSRichard Hendersonl_bf 000100 n:s26 49136e13aeSRichard Henderson 50136e13aeSRichard Hendersonl_jr 010001 ---------- b:5 ----------- 51136e13aeSRichard Hendersonl_jalr 010010 ---------- b:5 ----------- 52d80bff19SRichard Henderson 53d80bff19SRichard Henderson#### 54d80bff19SRichard Henderson# Memory Instructions 55d80bff19SRichard Henderson#### 56d80bff19SRichard Henderson 57d80bff19SRichard Henderson&load d a i 58d80bff19SRichard Henderson@load ...... d:5 a:5 i:s16 &load 59d80bff19SRichard Henderson 60d80bff19SRichard Henderson%store_i 21:s5 0:11 61d80bff19SRichard Henderson&store a b i 62d80bff19SRichard Henderson@store ...... ..... a:5 b:5 ........... &store i=%store_i 63d80bff19SRichard Henderson 64d80bff19SRichard Hendersonl_lwa 011011 ..... ..... ........ ........ @load 65d80bff19SRichard Hendersonl_lwz 100001 ..... ..... ........ ........ @load 66d80bff19SRichard Hendersonl_lws 100010 ..... ..... ........ ........ @load 67d80bff19SRichard Hendersonl_lbz 100011 ..... ..... ........ ........ @load 68d80bff19SRichard Hendersonl_lbs 100100 ..... ..... ........ ........ @load 69d80bff19SRichard Hendersonl_lhz 100101 ..... ..... ........ ........ @load 70d80bff19SRichard Hendersonl_lhs 100110 ..... ..... ........ ........ @load 71d80bff19SRichard Henderson 72d80bff19SRichard Hendersonl_swa 110011 ..... ..... ..... ........... @store 73d80bff19SRichard Hendersonl_sw 110101 ..... ..... ..... ........... @store 74d80bff19SRichard Hendersonl_sb 110110 ..... ..... ..... ........... @store 75d80bff19SRichard Hendersonl_sh 110111 ..... ..... ..... ........... @store 768816f70bSRichard Henderson 778816f70bSRichard Henderson#### 788816f70bSRichard Henderson# Immediate Operand Instructions 798816f70bSRichard Henderson#### 808816f70bSRichard Henderson 818816f70bSRichard Henderson%mtspr_k 21:5 0:11 828816f70bSRichard Henderson 838816f70bSRichard Henderson&rri d a i 848816f70bSRichard Henderson&rrk d a k 858816f70bSRichard Henderson@rri ...... d:5 a:5 i:s16 &rri 868816f70bSRichard Henderson@rrk ...... d:5 a:5 k:16 &rrk 878816f70bSRichard Henderson 888816f70bSRichard Hendersonl_nop 000101 01--- ----- k:16 898816f70bSRichard Henderson 908816f70bSRichard Hendersonl_addi 100111 ..... ..... ........ ........ @rri 918816f70bSRichard Hendersonl_addic 101000 ..... ..... ........ ........ @rri 928816f70bSRichard Hendersonl_andi 101001 ..... ..... ........ ........ @rrk 938816f70bSRichard Hendersonl_ori 101010 ..... ..... ........ ........ @rrk 948816f70bSRichard Hendersonl_xori 101011 ..... ..... ........ ........ @rri 958816f70bSRichard Hendersonl_muli 101100 ..... ..... ........ ........ @rri 968816f70bSRichard Henderson 978816f70bSRichard Hendersonl_mfspr 101101 ..... ..... ........ ........ @rrk 988816f70bSRichard Hendersonl_mtspr 110000 ..... a:5 b:5 ........... k=%mtspr_k 998816f70bSRichard Henderson 1008816f70bSRichard Hendersonl_maci 010011 ----- a:5 i:s16 1016ad216abSRichard Henderson 102e720a571SRichard Hendersonl_movhi 000110 d:5 ----0 k:16 103e720a571SRichard Hendersonl_macrc 000110 d:5 ----1 00000000 00000000 104e720a571SRichard Henderson 105*3e0e41efSRichard Hendersonl_adrp 000010 d:5 i:s21 106*3e0e41efSRichard Henderson 1076ad216abSRichard Henderson#### 1086ad216abSRichard Henderson# Arithmetic Instructions 1096ad216abSRichard Henderson#### 1106ad216abSRichard Henderson 1116ad216abSRichard Hendersonl_exths 111000 d:5 a:5 ----- - 0000 -- 1100 1126ad216abSRichard Hendersonl_extbs 111000 d:5 a:5 ----- - 0001 -- 1100 1136ad216abSRichard Hendersonl_exthz 111000 d:5 a:5 ----- - 0010 -- 1100 1146ad216abSRichard Hendersonl_extbz 111000 d:5 a:5 ----- - 0011 -- 1100 1156ad216abSRichard Henderson 1166ad216abSRichard Hendersonl_add 111000 d:5 a:5 b:5 - 00 ---- 0000 1176ad216abSRichard Hendersonl_addc 111000 d:5 a:5 b:5 - 00 ---- 0001 1186ad216abSRichard Hendersonl_sub 111000 d:5 a:5 b:5 - 00 ---- 0010 1196ad216abSRichard Hendersonl_and 111000 d:5 a:5 b:5 - 00 ---- 0011 1206ad216abSRichard Hendersonl_or 111000 d:5 a:5 b:5 - 00 ---- 0100 1216ad216abSRichard Hendersonl_xor 111000 d:5 a:5 b:5 - 00 ---- 0101 1226ad216abSRichard Hendersonl_cmov 111000 d:5 a:5 b:5 - 00 ---- 1110 1236ad216abSRichard Hendersonl_ff1 111000 d:5 a:5 ----- - 00 ---- 1111 1246ad216abSRichard Hendersonl_fl1 111000 d:5 a:5 ----- - 01 ---- 1111 1256ad216abSRichard Henderson 1266ad216abSRichard Hendersonl_sll 111000 d:5 a:5 b:5 - 0000 -- 1000 1276ad216abSRichard Hendersonl_srl 111000 d:5 a:5 b:5 - 0001 -- 1000 1286ad216abSRichard Hendersonl_sra 111000 d:5 a:5 b:5 - 0010 -- 1000 1296ad216abSRichard Hendersonl_ror 111000 d:5 a:5 b:5 - 0011 -- 1000 1306ad216abSRichard Henderson 1316ad216abSRichard Hendersonl_mul 111000 d:5 a:5 b:5 - 11 ---- 0110 1326ad216abSRichard Hendersonl_mulu 111000 d:5 a:5 b:5 - 11 ---- 1011 1336ad216abSRichard Hendersonl_div 111000 d:5 a:5 b:5 - 11 ---- 1001 1346ad216abSRichard Hendersonl_divu 111000 d:5 a:5 b:5 - 11 ---- 1010 1356ad216abSRichard Henderson 1366ad216abSRichard Hendersonl_muld 111000 ----- a:5 b:5 - 11 ---- 0111 1376ad216abSRichard Hendersonl_muldu 111000 ----- a:5 b:5 - 11 ---- 1100 13899d863d6SRichard Henderson 13999d863d6SRichard Hendersonl_mac 110001 ----- a:5 b:5 ------- 0001 14099d863d6SRichard Hendersonl_macu 110001 ----- a:5 b:5 ------- 0011 14199d863d6SRichard Hendersonl_msb 110001 ----- a:5 b:5 ------- 0010 14299d863d6SRichard Hendersonl_msbu 110001 ----- a:5 b:5 ------- 0100 143e20c2592SRichard Henderson 144e20c2592SRichard Hendersonl_slli 101110 d:5 a:5 -------- 00 l:6 145e20c2592SRichard Hendersonl_srli 101110 d:5 a:5 -------- 01 l:6 146e20c2592SRichard Hendersonl_srai 101110 d:5 a:5 -------- 10 l:6 147e20c2592SRichard Hendersonl_rori 101110 d:5 a:5 -------- 11 l:6 148fbb3e29aSRichard Henderson 149fbb3e29aSRichard Henderson#### 150fbb3e29aSRichard Henderson# Compare Instructions 151fbb3e29aSRichard Henderson#### 152fbb3e29aSRichard Henderson 153fbb3e29aSRichard Hendersonl_sfeq 111001 00000 a:5 b:5 ----------- 154fbb3e29aSRichard Hendersonl_sfne 111001 00001 a:5 b:5 ----------- 155fbb3e29aSRichard Hendersonl_sfgtu 111001 00010 a:5 b:5 ----------- 156fbb3e29aSRichard Hendersonl_sfgeu 111001 00011 a:5 b:5 ----------- 157fbb3e29aSRichard Hendersonl_sfltu 111001 00100 a:5 b:5 ----------- 158fbb3e29aSRichard Hendersonl_sfleu 111001 00101 a:5 b:5 ----------- 159fbb3e29aSRichard Hendersonl_sfgts 111001 01010 a:5 b:5 ----------- 160fbb3e29aSRichard Hendersonl_sfges 111001 01011 a:5 b:5 ----------- 161fbb3e29aSRichard Hendersonl_sflts 111001 01100 a:5 b:5 ----------- 162fbb3e29aSRichard Hendersonl_sfles 111001 01101 a:5 b:5 ----------- 163032de4fcSRichard Henderson 164032de4fcSRichard Hendersonl_sfeqi 101111 00000 a:5 i:s16 165032de4fcSRichard Hendersonl_sfnei 101111 00001 a:5 i:s16 166032de4fcSRichard Hendersonl_sfgtui 101111 00010 a:5 i:s16 167032de4fcSRichard Hendersonl_sfgeui 101111 00011 a:5 i:s16 168032de4fcSRichard Hendersonl_sfltui 101111 00100 a:5 i:s16 169032de4fcSRichard Hendersonl_sfleui 101111 00101 a:5 i:s16 170032de4fcSRichard Hendersonl_sfgtsi 101111 01010 a:5 i:s16 171032de4fcSRichard Hendersonl_sfgesi 101111 01011 a:5 i:s16 172032de4fcSRichard Hendersonl_sfltsi 101111 01100 a:5 i:s16 173032de4fcSRichard Hendersonl_sflesi 101111 01101 a:5 i:s16 1746fd204a2SRichard Henderson 1756fd204a2SRichard Henderson#### 1766fd204a2SRichard Henderson# FP Instructions 1776fd204a2SRichard Henderson#### 1786fd204a2SRichard Henderson 1796fd204a2SRichard Hendersonlf_add_s 110010 d:5 a:5 b:5 --- 00000000 1806fd204a2SRichard Hendersonlf_sub_s 110010 d:5 a:5 b:5 --- 00000001 1816fd204a2SRichard Hendersonlf_mul_s 110010 d:5 a:5 b:5 --- 00000010 1826fd204a2SRichard Hendersonlf_div_s 110010 d:5 a:5 b:5 --- 00000011 1836fd204a2SRichard Hendersonlf_rem_s 110010 d:5 a:5 b:5 --- 00000110 1846fd204a2SRichard Hendersonlf_madd_s 110010 d:5 a:5 b:5 --- 00000111 1856fd204a2SRichard Henderson 1866fd204a2SRichard Hendersonlf_itof_s 110010 d:5 a:5 00000 --- 00000100 1876fd204a2SRichard Hendersonlf_ftoi_s 110010 d:5 a:5 00000 --- 00000101 1886fd204a2SRichard Henderson 1896fd204a2SRichard Hendersonlf_sfeq_s 110010 ----- a:5 b:5 --- 00001000 1906fd204a2SRichard Hendersonlf_sfne_s 110010 ----- a:5 b:5 --- 00001001 1916fd204a2SRichard Hendersonlf_sfgt_s 110010 ----- a:5 b:5 --- 00001010 1926fd204a2SRichard Hendersonlf_sfge_s 110010 ----- a:5 b:5 --- 00001011 1936fd204a2SRichard Hendersonlf_sflt_s 110010 ----- a:5 b:5 --- 00001100 1946fd204a2SRichard Hendersonlf_sfle_s 110010 ----- a:5 b:5 --- 00001101 1952b13b4b9SRichard Hendersonlf_sfueq_s 110010 ----- a:5 b:5 --- 00101000 1962b13b4b9SRichard Hendersonlf_sfuge_s 110010 ----- a:5 b:5 --- 00101011 1972b13b4b9SRichard Hendersonlf_sfugt_s 110010 ----- a:5 b:5 --- 00101010 1982b13b4b9SRichard Hendersonlf_sfule_s 110010 ----- a:5 b:5 --- 00101101 1992b13b4b9SRichard Hendersonlf_sfult_s 110010 ----- a:5 b:5 --- 00101100 2002b13b4b9SRichard Hendersonlf_sfun_s 110010 ----- a:5 b:5 --- 00101110 20162f2b038SRichard Henderson 20262f2b038SRichard Henderson#### 20362f2b038SRichard Henderson# DP Instructions 20462f2b038SRichard Henderson#### 20562f2b038SRichard Henderson 20662f2b038SRichard Henderson@dab_pair ...... d:5 a:5 b:5 dp:1 ap:1 bp:1 ........ &dab_pair 20762f2b038SRichard Henderson@ab_pair ...... ..... a:5 b:5 . ap:1 bp:1 ........ &ab_pair 20862f2b038SRichard Henderson@da_pair ...... d:5 a:5 ..... dp:1 ap:1 . ........ &da_pair 20962f2b038SRichard Henderson 21062f2b038SRichard Hendersonlf_add_d 110010 ..... ..... ..... ... 00010000 @dab_pair 21162f2b038SRichard Hendersonlf_sub_d 110010 ..... ..... ..... ... 00010001 @dab_pair 21262f2b038SRichard Hendersonlf_mul_d 110010 ..... ..... ..... ... 00010010 @dab_pair 21362f2b038SRichard Hendersonlf_div_d 110010 ..... ..... ..... ... 00010011 @dab_pair 21462f2b038SRichard Hendersonlf_rem_d 110010 ..... ..... ..... ... 00010110 @dab_pair 21562f2b038SRichard Hendersonlf_madd_d 110010 ..... ..... ..... ... 00010111 @dab_pair 21662f2b038SRichard Henderson 21762f2b038SRichard Hendersonlf_itof_d 110010 ..... ..... 00000 ..0 00010100 @da_pair 21862f2b038SRichard Hendersonlf_ftoi_d 110010 ..... ..... 00000 ..0 00010101 @da_pair 21962f2b038SRichard Henderson 22062f2b038SRichard Hendersonlf_stod_d 110010 d:5 a:5 00000 dp:1 0 0 00110100 22162f2b038SRichard Hendersonlf_dtos_d 110010 d:5 a:5 00000 0 ap:1 0 00110101 22262f2b038SRichard Henderson 22362f2b038SRichard Hendersonlf_sfeq_d 110010 00000 ..... ..... 0.. 00011000 @ab_pair 22462f2b038SRichard Hendersonlf_sfne_d 110010 00000 ..... ..... 0.. 00011001 @ab_pair 22562f2b038SRichard Hendersonlf_sfgt_d 110010 00000 ..... ..... 0.. 00011010 @ab_pair 22662f2b038SRichard Hendersonlf_sfge_d 110010 00000 ..... ..... 0.. 00011011 @ab_pair 22762f2b038SRichard Hendersonlf_sflt_d 110010 00000 ..... ..... 0.. 00011100 @ab_pair 22862f2b038SRichard Hendersonlf_sfle_d 110010 00000 ..... ..... 0.. 00011101 @ab_pair 2292b13b4b9SRichard Hendersonlf_sfueq_d 110010 00000 ..... ..... 0.. 00111000 @ab_pair 2302b13b4b9SRichard Hendersonlf_sfuge_d 110010 00000 ..... ..... 0.. 00111011 @ab_pair 2312b13b4b9SRichard Hendersonlf_sfugt_d 110010 00000 ..... ..... 0.. 00111010 @ab_pair 2322b13b4b9SRichard Hendersonlf_sfule_d 110010 00000 ..... ..... 0.. 00111101 @ab_pair 2332b13b4b9SRichard Hendersonlf_sfult_d 110010 00000 ..... ..... 0.. 00111100 @ab_pair 2342b13b4b9SRichard Hendersonlf_sfun_d 110010 00000 ..... ..... 0.. 00111110 @ab_pair 235