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 97de9729fSRichard Henderson# version 2 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 246ad216abSRichard Henderson 257de9729fSRichard Henderson#### 267de9729fSRichard Henderson# System Instructions 277de9729fSRichard Henderson#### 287de9729fSRichard Henderson 297de9729fSRichard Hendersonl_sys 001000 0000000000 k:16 307de9729fSRichard Hendersonl_trap 001000 0100000000 k:16 317de9729fSRichard Hendersonl_msync 001000 1000000000 00000000 00000000 327de9729fSRichard Hendersonl_psync 001000 1010000000 00000000 00000000 337de9729fSRichard Hendersonl_csync 001000 1100000000 00000000 00000000 34136e13aeSRichard Henderson 358816f70bSRichard Hendersonl_rfe 001001 ----- ----- -------- -------- 368816f70bSRichard Henderson 37136e13aeSRichard Henderson#### 38136e13aeSRichard Henderson# Branch Instructions 39136e13aeSRichard Henderson#### 40136e13aeSRichard Henderson 41136e13aeSRichard Hendersonl_j 000000 n:s26 42136e13aeSRichard Hendersonl_jal 000001 n:s26 43136e13aeSRichard Hendersonl_bnf 000011 n:s26 44136e13aeSRichard Hendersonl_bf 000100 n:s26 45136e13aeSRichard Henderson 46136e13aeSRichard Hendersonl_jr 010001 ---------- b:5 ----------- 47136e13aeSRichard Hendersonl_jalr 010010 ---------- b:5 ----------- 48d80bff19SRichard Henderson 49d80bff19SRichard Henderson#### 50d80bff19SRichard Henderson# Memory Instructions 51d80bff19SRichard Henderson#### 52d80bff19SRichard Henderson 53d80bff19SRichard Henderson&load d a i 54d80bff19SRichard Henderson@load ...... d:5 a:5 i:s16 &load 55d80bff19SRichard Henderson 56d80bff19SRichard Henderson%store_i 21:s5 0:11 57d80bff19SRichard Henderson&store a b i 58d80bff19SRichard Henderson@store ...... ..... a:5 b:5 ........... &store i=%store_i 59d80bff19SRichard Henderson 60d80bff19SRichard Hendersonl_lwa 011011 ..... ..... ........ ........ @load 61d80bff19SRichard Hendersonl_lwz 100001 ..... ..... ........ ........ @load 62d80bff19SRichard Hendersonl_lws 100010 ..... ..... ........ ........ @load 63d80bff19SRichard Hendersonl_lbz 100011 ..... ..... ........ ........ @load 64d80bff19SRichard Hendersonl_lbs 100100 ..... ..... ........ ........ @load 65d80bff19SRichard Hendersonl_lhz 100101 ..... ..... ........ ........ @load 66d80bff19SRichard Hendersonl_lhs 100110 ..... ..... ........ ........ @load 67d80bff19SRichard Henderson 68d80bff19SRichard Hendersonl_swa 110011 ..... ..... ..... ........... @store 69d80bff19SRichard Hendersonl_sw 110101 ..... ..... ..... ........... @store 70d80bff19SRichard Hendersonl_sb 110110 ..... ..... ..... ........... @store 71d80bff19SRichard Hendersonl_sh 110111 ..... ..... ..... ........... @store 728816f70bSRichard Henderson 738816f70bSRichard Henderson#### 748816f70bSRichard Henderson# Immediate Operand Instructions 758816f70bSRichard Henderson#### 768816f70bSRichard Henderson 778816f70bSRichard Henderson%mtspr_k 21:5 0:11 788816f70bSRichard Henderson 798816f70bSRichard Henderson&rri d a i 808816f70bSRichard Henderson&rrk d a k 818816f70bSRichard Henderson@rri ...... d:5 a:5 i:s16 &rri 828816f70bSRichard Henderson@rrk ...... d:5 a:5 k:16 &rrk 838816f70bSRichard Henderson 848816f70bSRichard Hendersonl_nop 000101 01--- ----- k:16 858816f70bSRichard Henderson 868816f70bSRichard Hendersonl_addi 100111 ..... ..... ........ ........ @rri 878816f70bSRichard Hendersonl_addic 101000 ..... ..... ........ ........ @rri 888816f70bSRichard Hendersonl_andi 101001 ..... ..... ........ ........ @rrk 898816f70bSRichard Hendersonl_ori 101010 ..... ..... ........ ........ @rrk 908816f70bSRichard Hendersonl_xori 101011 ..... ..... ........ ........ @rri 918816f70bSRichard Hendersonl_muli 101100 ..... ..... ........ ........ @rri 928816f70bSRichard Henderson 938816f70bSRichard Hendersonl_mfspr 101101 ..... ..... ........ ........ @rrk 948816f70bSRichard Hendersonl_mtspr 110000 ..... a:5 b:5 ........... k=%mtspr_k 958816f70bSRichard Henderson 968816f70bSRichard Hendersonl_maci 010011 ----- a:5 i:s16 976ad216abSRichard Henderson 98e720a571SRichard Hendersonl_movhi 000110 d:5 ----0 k:16 99e720a571SRichard Hendersonl_macrc 000110 d:5 ----1 00000000 00000000 100e720a571SRichard Henderson 1016ad216abSRichard Henderson#### 1026ad216abSRichard Henderson# Arithmetic Instructions 1036ad216abSRichard Henderson#### 1046ad216abSRichard Henderson 1056ad216abSRichard Hendersonl_exths 111000 d:5 a:5 ----- - 0000 -- 1100 1066ad216abSRichard Hendersonl_extbs 111000 d:5 a:5 ----- - 0001 -- 1100 1076ad216abSRichard Hendersonl_exthz 111000 d:5 a:5 ----- - 0010 -- 1100 1086ad216abSRichard Hendersonl_extbz 111000 d:5 a:5 ----- - 0011 -- 1100 1096ad216abSRichard Henderson 1106ad216abSRichard Hendersonl_add 111000 d:5 a:5 b:5 - 00 ---- 0000 1116ad216abSRichard Hendersonl_addc 111000 d:5 a:5 b:5 - 00 ---- 0001 1126ad216abSRichard Hendersonl_sub 111000 d:5 a:5 b:5 - 00 ---- 0010 1136ad216abSRichard Hendersonl_and 111000 d:5 a:5 b:5 - 00 ---- 0011 1146ad216abSRichard Hendersonl_or 111000 d:5 a:5 b:5 - 00 ---- 0100 1156ad216abSRichard Hendersonl_xor 111000 d:5 a:5 b:5 - 00 ---- 0101 1166ad216abSRichard Hendersonl_cmov 111000 d:5 a:5 b:5 - 00 ---- 1110 1176ad216abSRichard Hendersonl_ff1 111000 d:5 a:5 ----- - 00 ---- 1111 1186ad216abSRichard Hendersonl_fl1 111000 d:5 a:5 ----- - 01 ---- 1111 1196ad216abSRichard Henderson 1206ad216abSRichard Hendersonl_sll 111000 d:5 a:5 b:5 - 0000 -- 1000 1216ad216abSRichard Hendersonl_srl 111000 d:5 a:5 b:5 - 0001 -- 1000 1226ad216abSRichard Hendersonl_sra 111000 d:5 a:5 b:5 - 0010 -- 1000 1236ad216abSRichard Hendersonl_ror 111000 d:5 a:5 b:5 - 0011 -- 1000 1246ad216abSRichard Henderson 1256ad216abSRichard Hendersonl_mul 111000 d:5 a:5 b:5 - 11 ---- 0110 1266ad216abSRichard Hendersonl_mulu 111000 d:5 a:5 b:5 - 11 ---- 1011 1276ad216abSRichard Hendersonl_div 111000 d:5 a:5 b:5 - 11 ---- 1001 1286ad216abSRichard Hendersonl_divu 111000 d:5 a:5 b:5 - 11 ---- 1010 1296ad216abSRichard Henderson 1306ad216abSRichard Hendersonl_muld 111000 ----- a:5 b:5 - 11 ---- 0111 1316ad216abSRichard Hendersonl_muldu 111000 ----- a:5 b:5 - 11 ---- 1100 13299d863d6SRichard Henderson 13399d863d6SRichard Hendersonl_mac 110001 ----- a:5 b:5 ------- 0001 13499d863d6SRichard Hendersonl_macu 110001 ----- a:5 b:5 ------- 0011 13599d863d6SRichard Hendersonl_msb 110001 ----- a:5 b:5 ------- 0010 13699d863d6SRichard Hendersonl_msbu 110001 ----- a:5 b:5 ------- 0100 137e20c2592SRichard Henderson 138e20c2592SRichard Hendersonl_slli 101110 d:5 a:5 -------- 00 l:6 139e20c2592SRichard Hendersonl_srli 101110 d:5 a:5 -------- 01 l:6 140e20c2592SRichard Hendersonl_srai 101110 d:5 a:5 -------- 10 l:6 141e20c2592SRichard Hendersonl_rori 101110 d:5 a:5 -------- 11 l:6 142*fbb3e29aSRichard Henderson 143*fbb3e29aSRichard Henderson#### 144*fbb3e29aSRichard Henderson# Compare Instructions 145*fbb3e29aSRichard Henderson#### 146*fbb3e29aSRichard Henderson 147*fbb3e29aSRichard Hendersonl_sfeq 111001 00000 a:5 b:5 ----------- 148*fbb3e29aSRichard Hendersonl_sfne 111001 00001 a:5 b:5 ----------- 149*fbb3e29aSRichard Hendersonl_sfgtu 111001 00010 a:5 b:5 ----------- 150*fbb3e29aSRichard Hendersonl_sfgeu 111001 00011 a:5 b:5 ----------- 151*fbb3e29aSRichard Hendersonl_sfltu 111001 00100 a:5 b:5 ----------- 152*fbb3e29aSRichard Hendersonl_sfleu 111001 00101 a:5 b:5 ----------- 153*fbb3e29aSRichard Hendersonl_sfgts 111001 01010 a:5 b:5 ----------- 154*fbb3e29aSRichard Hendersonl_sfges 111001 01011 a:5 b:5 ----------- 155*fbb3e29aSRichard Hendersonl_sflts 111001 01100 a:5 b:5 ----------- 156*fbb3e29aSRichard Hendersonl_sfles 111001 01101 a:5 b:5 ----------- 157