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 20*6ad216abSRichard Henderson&dab d a b 21*6ad216abSRichard Henderson&da d a 22*6ad216abSRichard Henderson&ab a b 23*6ad216abSRichard Henderson 247de9729fSRichard Henderson#### 257de9729fSRichard Henderson# System Instructions 267de9729fSRichard Henderson#### 277de9729fSRichard Henderson 287de9729fSRichard Hendersonl_sys 001000 0000000000 k:16 297de9729fSRichard Hendersonl_trap 001000 0100000000 k:16 307de9729fSRichard Hendersonl_msync 001000 1000000000 00000000 00000000 317de9729fSRichard Hendersonl_psync 001000 1010000000 00000000 00000000 327de9729fSRichard Hendersonl_csync 001000 1100000000 00000000 00000000 33136e13aeSRichard Henderson 348816f70bSRichard Hendersonl_rfe 001001 ----- ----- -------- -------- 358816f70bSRichard Henderson 36136e13aeSRichard Henderson#### 37136e13aeSRichard Henderson# Branch Instructions 38136e13aeSRichard Henderson#### 39136e13aeSRichard Henderson 40136e13aeSRichard Hendersonl_j 000000 n:s26 41136e13aeSRichard Hendersonl_jal 000001 n:s26 42136e13aeSRichard Hendersonl_bnf 000011 n:s26 43136e13aeSRichard Hendersonl_bf 000100 n:s26 44136e13aeSRichard Henderson 45136e13aeSRichard Hendersonl_jr 010001 ---------- b:5 ----------- 46136e13aeSRichard Hendersonl_jalr 010010 ---------- b:5 ----------- 47d80bff19SRichard Henderson 48d80bff19SRichard Henderson#### 49d80bff19SRichard Henderson# Memory Instructions 50d80bff19SRichard Henderson#### 51d80bff19SRichard Henderson 52d80bff19SRichard Henderson&load d a i 53d80bff19SRichard Henderson@load ...... d:5 a:5 i:s16 &load 54d80bff19SRichard Henderson 55d80bff19SRichard Henderson%store_i 21:s5 0:11 56d80bff19SRichard Henderson&store a b i 57d80bff19SRichard Henderson@store ...... ..... a:5 b:5 ........... &store i=%store_i 58d80bff19SRichard Henderson 59d80bff19SRichard Hendersonl_lwa 011011 ..... ..... ........ ........ @load 60d80bff19SRichard Hendersonl_lwz 100001 ..... ..... ........ ........ @load 61d80bff19SRichard Hendersonl_lws 100010 ..... ..... ........ ........ @load 62d80bff19SRichard Hendersonl_lbz 100011 ..... ..... ........ ........ @load 63d80bff19SRichard Hendersonl_lbs 100100 ..... ..... ........ ........ @load 64d80bff19SRichard Hendersonl_lhz 100101 ..... ..... ........ ........ @load 65d80bff19SRichard Hendersonl_lhs 100110 ..... ..... ........ ........ @load 66d80bff19SRichard Henderson 67d80bff19SRichard Hendersonl_swa 110011 ..... ..... ..... ........... @store 68d80bff19SRichard Hendersonl_sw 110101 ..... ..... ..... ........... @store 69d80bff19SRichard Hendersonl_sb 110110 ..... ..... ..... ........... @store 70d80bff19SRichard Hendersonl_sh 110111 ..... ..... ..... ........... @store 718816f70bSRichard Henderson 728816f70bSRichard Henderson#### 738816f70bSRichard Henderson# Immediate Operand Instructions 748816f70bSRichard Henderson#### 758816f70bSRichard Henderson 768816f70bSRichard Henderson%mtspr_k 21:5 0:11 778816f70bSRichard Henderson 788816f70bSRichard Henderson&rri d a i 798816f70bSRichard Henderson&rrk d a k 808816f70bSRichard Henderson@rri ...... d:5 a:5 i:s16 &rri 818816f70bSRichard Henderson@rrk ...... d:5 a:5 k:16 &rrk 828816f70bSRichard Henderson 838816f70bSRichard Hendersonl_nop 000101 01--- ----- k:16 848816f70bSRichard Henderson 858816f70bSRichard Hendersonl_addi 100111 ..... ..... ........ ........ @rri 868816f70bSRichard Hendersonl_addic 101000 ..... ..... ........ ........ @rri 878816f70bSRichard Hendersonl_andi 101001 ..... ..... ........ ........ @rrk 888816f70bSRichard Hendersonl_ori 101010 ..... ..... ........ ........ @rrk 898816f70bSRichard Hendersonl_xori 101011 ..... ..... ........ ........ @rri 908816f70bSRichard Hendersonl_muli 101100 ..... ..... ........ ........ @rri 918816f70bSRichard Henderson 928816f70bSRichard Hendersonl_mfspr 101101 ..... ..... ........ ........ @rrk 938816f70bSRichard Hendersonl_mtspr 110000 ..... a:5 b:5 ........... k=%mtspr_k 948816f70bSRichard Henderson 958816f70bSRichard Hendersonl_maci 010011 ----- a:5 i:s16 96*6ad216abSRichard Henderson 97*6ad216abSRichard Henderson#### 98*6ad216abSRichard Henderson# Arithmetic Instructions 99*6ad216abSRichard Henderson#### 100*6ad216abSRichard Henderson 101*6ad216abSRichard Hendersonl_exths 111000 d:5 a:5 ----- - 0000 -- 1100 102*6ad216abSRichard Hendersonl_extbs 111000 d:5 a:5 ----- - 0001 -- 1100 103*6ad216abSRichard Hendersonl_exthz 111000 d:5 a:5 ----- - 0010 -- 1100 104*6ad216abSRichard Hendersonl_extbz 111000 d:5 a:5 ----- - 0011 -- 1100 105*6ad216abSRichard Henderson 106*6ad216abSRichard Hendersonl_add 111000 d:5 a:5 b:5 - 00 ---- 0000 107*6ad216abSRichard Hendersonl_addc 111000 d:5 a:5 b:5 - 00 ---- 0001 108*6ad216abSRichard Hendersonl_sub 111000 d:5 a:5 b:5 - 00 ---- 0010 109*6ad216abSRichard Hendersonl_and 111000 d:5 a:5 b:5 - 00 ---- 0011 110*6ad216abSRichard Hendersonl_or 111000 d:5 a:5 b:5 - 00 ---- 0100 111*6ad216abSRichard Hendersonl_xor 111000 d:5 a:5 b:5 - 00 ---- 0101 112*6ad216abSRichard Hendersonl_cmov 111000 d:5 a:5 b:5 - 00 ---- 1110 113*6ad216abSRichard Hendersonl_ff1 111000 d:5 a:5 ----- - 00 ---- 1111 114*6ad216abSRichard Hendersonl_fl1 111000 d:5 a:5 ----- - 01 ---- 1111 115*6ad216abSRichard Henderson 116*6ad216abSRichard Hendersonl_sll 111000 d:5 a:5 b:5 - 0000 -- 1000 117*6ad216abSRichard Hendersonl_srl 111000 d:5 a:5 b:5 - 0001 -- 1000 118*6ad216abSRichard Hendersonl_sra 111000 d:5 a:5 b:5 - 0010 -- 1000 119*6ad216abSRichard Hendersonl_ror 111000 d:5 a:5 b:5 - 0011 -- 1000 120*6ad216abSRichard Henderson 121*6ad216abSRichard Hendersonl_mul 111000 d:5 a:5 b:5 - 11 ---- 0110 122*6ad216abSRichard Hendersonl_mulu 111000 d:5 a:5 b:5 - 11 ---- 1011 123*6ad216abSRichard Hendersonl_div 111000 d:5 a:5 b:5 - 11 ---- 1001 124*6ad216abSRichard Hendersonl_divu 111000 d:5 a:5 b:5 - 11 ---- 1010 125*6ad216abSRichard Henderson 126*6ad216abSRichard Hendersonl_muld 111000 ----- a:5 b:5 - 11 ---- 0111 127*6ad216abSRichard Hendersonl_muldu 111000 ----- a:5 b:5 - 11 ---- 1100 128