1# 2# MicroBlaze instruction decode definitions. 3# 4# Copyright (c) 2020 Richard Henderson <rth@twiddle.net> 5# 6# This library is free software; you can redistribute it and/or 7# modify it under the terms of the GNU Lesser General Public 8# License as published by the Free Software Foundation; either 9# version 2.1 of the License, or (at your option) any later version. 10# 11# This library is distributed in the hope that it will be useful, 12# but WITHOUT ANY WARRANTY; without even the implied warranty of 13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14# Lesser General Public License for more details. 15# 16# You should have received a copy of the GNU Lesser General Public 17# License along with this library; if not, see <http://www.gnu.org/licenses/>. 18# 19 20&typea0 rd ra 21&typea rd ra rb 22&typeb rd ra imm 23 24# Include any IMM prefix in the value reported. 25%extimm 0:s16 !function=typeb_imm 26 27@typea ...... rd:5 ra:5 rb:5 ... .... .... &typea 28@typeb ...... rd:5 ra:5 ................ &typeb imm=%extimm 29 30# Officially typea, but with rb==0, which is not used. 31@typea0 ...... rd:5 ra:5 ................ &typea0 32 33# Officially typeb, but any immediate extension is unused. 34@typeb_bs ...... rd:5 ra:5 ..... ...... imm:5 &typeb 35 36# For convenience, extract the two imm_w/imm_s fields, then pack 37# them back together as "imm". Doing this makes it easiest to 38# match the required zero at bit 5. 39%ieimm 6:5 0:5 40@typeb_ie ...... rd:5 ra:5 ..... ..... . ..... &typeb imm=%ieimm 41 42### 43 44{ 45 zero 000000 00000 00000 00000 000 0000 0000 46 add 000000 ..... ..... ..... 000 0000 0000 @typea 47} 48addc 000010 ..... ..... ..... 000 0000 0000 @typea 49addk 000100 ..... ..... ..... 000 0000 0000 @typea 50addkc 000110 ..... ..... ..... 000 0000 0000 @typea 51 52addi 001000 ..... ..... ................ @typeb 53addic 001010 ..... ..... ................ @typeb 54addik 001100 ..... ..... ................ @typeb 55addikc 001110 ..... ..... ................ @typeb 56 57and 100001 ..... ..... ..... 000 0000 0000 @typea 58andi 101001 ..... ..... ................ @typeb 59 60andn 100011 ..... ..... ..... 000 0000 0000 @typea 61andni 101011 ..... ..... ................ @typeb 62 63bsrl 010001 ..... ..... ..... 000 0000 0000 @typea 64bsra 010001 ..... ..... ..... 010 0000 0000 @typea 65bsll 010001 ..... ..... ..... 100 0000 0000 @typea 66 67bsrli 011001 ..... ..... 00000 000000 ..... @typeb_bs 68bsrai 011001 ..... ..... 00000 010000 ..... @typeb_bs 69bslli 011001 ..... ..... 00000 100000 ..... @typeb_bs 70 71bsefi 011001 ..... ..... 01000 .....0 ..... @typeb_ie 72bsifi 011001 ..... ..... 10000 .....0 ..... @typeb_ie 73 74clz 100100 ..... ..... 00000 000 1110 0000 @typea0 75 76cmp 000101 ..... ..... ..... 000 0000 0001 @typea 77cmpu 000101 ..... ..... ..... 000 0000 0011 @typea 78 79idiv 010010 ..... ..... ..... 000 0000 0000 @typea 80idivu 010010 ..... ..... ..... 000 0000 0010 @typea 81 82mul 010000 ..... ..... ..... 000 0000 0000 @typea 83mulh 010000 ..... ..... ..... 000 0000 0001 @typea 84mulhu 010000 ..... ..... ..... 000 0000 0011 @typea 85mulhsu 010000 ..... ..... ..... 000 0000 0010 @typea 86muli 011000 ..... ..... ................ @typeb 87 88or 100000 ..... ..... ..... 000 0000 0000 @typea 89ori 101000 ..... ..... ................ @typeb 90 91pcmpbf 100000 ..... ..... ..... 100 0000 0000 @typea 92pcmpeq 100010 ..... ..... ..... 100 0000 0000 @typea 93pcmpne 100011 ..... ..... ..... 100 0000 0000 @typea 94 95rsub 000001 ..... ..... ..... 000 0000 0000 @typea 96rsubc 000011 ..... ..... ..... 000 0000 0000 @typea 97rsubk 000101 ..... ..... ..... 000 0000 0000 @typea 98rsubkc 000111 ..... ..... ..... 000 0000 0000 @typea 99 100rsubi 001001 ..... ..... ................ @typeb 101rsubic 001011 ..... ..... ................ @typeb 102rsubik 001101 ..... ..... ................ @typeb 103rsubikc 001111 ..... ..... ................ @typeb 104 105sext8 100100 ..... ..... 00000 000 0110 0000 @typea0 106sext16 100100 ..... ..... 00000 000 0110 0001 @typea0 107 108sra 100100 ..... ..... 00000 000 0000 0001 @typea0 109src 100100 ..... ..... 00000 000 0010 0001 @typea0 110srl 100100 ..... ..... 00000 000 0100 0001 @typea0 111 112swapb 100100 ..... ..... 00000 001 1110 0000 @typea0 113swaph 100100 ..... ..... 00000 001 1110 0010 @typea0 114 115# Cache operations have no effect in qemu: discard the arguments. 116wdic 100100 00000 ----- ----- -00 -11- 01-0 # wdc 117wdic 100100 00000 ----- ----- 000 0110 1000 # wic 118 119xor 100010 ..... ..... ..... 000 0000 0000 @typea 120xori 101010 ..... ..... ................ @typeb 121