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 79fadd 010110 ..... ..... ..... 0000 000 0000 @typea 80frsub 010110 ..... ..... ..... 0001 000 0000 @typea 81fmul 010110 ..... ..... ..... 0010 000 0000 @typea 82fdiv 010110 ..... ..... ..... 0011 000 0000 @typea 83fcmp_un 010110 ..... ..... ..... 0100 000 0000 @typea 84fcmp_lt 010110 ..... ..... ..... 0100 001 0000 @typea 85fcmp_eq 010110 ..... ..... ..... 0100 010 0000 @typea 86fcmp_le 010110 ..... ..... ..... 0100 011 0000 @typea 87fcmp_gt 010110 ..... ..... ..... 0100 100 0000 @typea 88fcmp_ne 010110 ..... ..... ..... 0100 101 0000 @typea 89fcmp_ge 010110 ..... ..... ..... 0100 110 0000 @typea 90 91# Note that flt and fint, unlike fsqrt, are documented as having the RB 92# operand which is unused. So allow the field to be non-zero but discard 93# the value and treat as 2-operand insns. 94flt 010110 ..... ..... ----- 0101 000 0000 @typea0 95fint 010110 ..... ..... ----- 0110 000 0000 @typea0 96fsqrt 010110 ..... ..... 00000 0111 000 0000 @typea0 97 98idiv 010010 ..... ..... ..... 000 0000 0000 @typea 99idivu 010010 ..... ..... ..... 000 0000 0010 @typea 100 101imm 101100 00000 00000 imm:16 102 103mul 010000 ..... ..... ..... 000 0000 0000 @typea 104mulh 010000 ..... ..... ..... 000 0000 0001 @typea 105mulhu 010000 ..... ..... ..... 000 0000 0011 @typea 106mulhsu 010000 ..... ..... ..... 000 0000 0010 @typea 107muli 011000 ..... ..... ................ @typeb 108 109or 100000 ..... ..... ..... 000 0000 0000 @typea 110ori 101000 ..... ..... ................ @typeb 111 112pcmpbf 100000 ..... ..... ..... 100 0000 0000 @typea 113pcmpeq 100010 ..... ..... ..... 100 0000 0000 @typea 114pcmpne 100011 ..... ..... ..... 100 0000 0000 @typea 115 116rsub 000001 ..... ..... ..... 000 0000 0000 @typea 117rsubc 000011 ..... ..... ..... 000 0000 0000 @typea 118rsubk 000101 ..... ..... ..... 000 0000 0000 @typea 119rsubkc 000111 ..... ..... ..... 000 0000 0000 @typea 120 121rsubi 001001 ..... ..... ................ @typeb 122rsubic 001011 ..... ..... ................ @typeb 123rsubik 001101 ..... ..... ................ @typeb 124rsubikc 001111 ..... ..... ................ @typeb 125 126sext8 100100 ..... ..... 00000 000 0110 0000 @typea0 127sext16 100100 ..... ..... 00000 000 0110 0001 @typea0 128 129sra 100100 ..... ..... 00000 000 0000 0001 @typea0 130src 100100 ..... ..... 00000 000 0010 0001 @typea0 131srl 100100 ..... ..... 00000 000 0100 0001 @typea0 132 133swapb 100100 ..... ..... 00000 001 1110 0000 @typea0 134swaph 100100 ..... ..... 00000 001 1110 0010 @typea0 135 136# Cache operations have no effect in qemu: discard the arguments. 137wdic 100100 00000 ----- ----- -00 -11- 01-0 # wdc 138wdic 100100 00000 ----- ----- 000 0110 1000 # wic 139 140xor 100010 ..... ..... ..... 000 0000 0000 @typea 141xori 101010 ..... ..... ................ @typeb 142