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Diffstat (limited to 'target/microblaze/insns.decode')
| -rw-r--r-- | target/microblaze/insns.decode | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/target/microblaze/insns.decode b/target/microblaze/insns.decode new file mode 100644 index 000000000..fb0f0e683 --- /dev/null +++ b/target/microblaze/insns.decode @@ -0,0 +1,256 @@ +# +# MicroBlaze instruction decode definitions. +# +# Copyright (c) 2020 Richard Henderson <rth@twiddle.net> +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, see <http://www.gnu.org/licenses/>. +# + +&typea0 rd ra +&typea rd ra rb +&typea_br rd rb +&typea_bc ra rb +&typeb rd ra imm +&typeb_br rd imm +&typeb_bc ra imm +&type_msr rd imm + +# Include any IMM prefix in the value reported. +%extimm 0:s16 !function=typeb_imm + +@typea ...... rd:5 ra:5 rb:5 ... .... .... &typea +@typeb ...... rd:5 ra:5 ................ &typeb imm=%extimm + +# Officially typea, but with rb==0, which is not used. +@typea0 ...... rd:5 ra:5 ................ &typea0 + +# Officially typea, but with ra as opcode. +@typea_br ...... rd:5 ..... rb:5 ........... &typea_br + +# Officially typea, but with rd as opcode. +@typea_bc ...... ..... ra:5 rb:5 ........... &typea_bc + +# Officially typeb, but any immediate extension is unused. +@typeb_bs ...... rd:5 ra:5 ..... ...... imm:5 &typeb + +# Officially typeb, but with ra as opcode. +@typeb_br ...... rd:5 ..... ................ &typeb_br imm=%extimm + +# Officially typeb, but with rd as opcode. +@typeb_bc ...... ..... ra:5 ................ &typeb_bc imm=%extimm + +# For convenience, extract the two imm_w/imm_s fields, then pack +# them back together as "imm". Doing this makes it easiest to +# match the required zero at bit 5. +%ieimm 6:5 0:5 +@typeb_ie ...... rd:5 ra:5 ..... ..... . ..... &typeb imm=%ieimm + +@type_msr ...... rd:5 ...... imm:15 &type_msr + +### + +{ + zero 000000 00000 00000 00000 000 0000 0000 + add 000000 ..... ..... ..... 000 0000 0000 @typea +} +addc 000010 ..... ..... ..... 000 0000 0000 @typea +addk 000100 ..... ..... ..... 000 0000 0000 @typea +addkc 000110 ..... ..... ..... 000 0000 0000 @typea + +addi 001000 ..... ..... ................ @typeb +addic 001010 ..... ..... ................ @typeb +addik 001100 ..... ..... ................ @typeb +addikc 001110 ..... ..... ................ @typeb + +and 100001 ..... ..... ..... 000 0000 0000 @typea +andi 101001 ..... ..... ................ @typeb + +andn 100011 ..... ..... ..... 000 0000 0000 @typea +andni 101011 ..... ..... ................ @typeb + +beq 100111 00000 ..... ..... 000 0000 0000 @typea_bc +bge 100111 00101 ..... ..... 000 0000 0000 @typea_bc +bgt 100111 00100 ..... ..... 000 0000 0000 @typea_bc +ble 100111 00011 ..... ..... 000 0000 0000 @typea_bc +blt 100111 00010 ..... ..... 000 0000 0000 @typea_bc +bne 100111 00001 ..... ..... 000 0000 0000 @typea_bc + +beqd 100111 10000 ..... ..... 000 0000 0000 @typea_bc +bged 100111 10101 ..... ..... 000 0000 0000 @typea_bc +bgtd 100111 10100 ..... ..... 000 0000 0000 @typea_bc +bled 100111 10011 ..... ..... 000 0000 0000 @typea_bc +bltd 100111 10010 ..... ..... 000 0000 0000 @typea_bc +bned 100111 10001 ..... ..... 000 0000 0000 @typea_bc + +beqi 101111 00000 ..... ................ @typeb_bc +bgei 101111 00101 ..... ................ @typeb_bc +bgti 101111 00100 ..... ................ @typeb_bc +blei 101111 00011 ..... ................ @typeb_bc +blti 101111 00010 ..... ................ @typeb_bc +bnei 101111 00001 ..... ................ @typeb_bc + +beqid 101111 10000 ..... ................ @typeb_bc +bgeid 101111 10101 ..... ................ @typeb_bc +bgtid 101111 10100 ..... ................ @typeb_bc +bleid 101111 10011 ..... ................ @typeb_bc +bltid 101111 10010 ..... ................ @typeb_bc +bneid 101111 10001 ..... ................ @typeb_bc + +br 100110 ..... 00000 ..... 000 0000 0000 @typea_br +bra 100110 ..... 01000 ..... 000 0000 0000 @typea_br +brd 100110 ..... 10000 ..... 000 0000 0000 @typea_br +brad 100110 ..... 11000 ..... 000 0000 0000 @typea_br +brld 100110 ..... 10100 ..... 000 0000 0000 @typea_br +brald 100110 ..... 11100 ..... 000 0000 0000 @typea_br + +bri 101110 ..... 00000 ................ @typeb_br +brai 101110 ..... 01000 ................ @typeb_br +brid 101110 ..... 10000 ................ @typeb_br +braid 101110 ..... 11000 ................ @typeb_br +brlid 101110 ..... 10100 ................ @typeb_br +bralid 101110 ..... 11100 ................ @typeb_br + +brk 100110 ..... 01100 ..... 000 0000 0000 @typea_br +brki 101110 ..... 01100 ................ @typeb_br + +bsrl 010001 ..... ..... ..... 000 0000 0000 @typea +bsra 010001 ..... ..... ..... 010 0000 0000 @typea +bsll 010001 ..... ..... ..... 100 0000 0000 @typea + +bsrli 011001 ..... ..... 00000 000000 ..... @typeb_bs +bsrai 011001 ..... ..... 00000 010000 ..... @typeb_bs +bslli 011001 ..... ..... 00000 100000 ..... @typeb_bs + +bsefi 011001 ..... ..... 01000 .....0 ..... @typeb_ie +bsifi 011001 ..... ..... 10000 .....0 ..... @typeb_ie + +clz 100100 ..... ..... 00000 000 1110 0000 @typea0 + +cmp 000101 ..... ..... ..... 000 0000 0001 @typea +cmpu 000101 ..... ..... ..... 000 0000 0011 @typea + +fadd 010110 ..... ..... ..... 0000 000 0000 @typea +frsub 010110 ..... ..... ..... 0001 000 0000 @typea +fmul 010110 ..... ..... ..... 0010 000 0000 @typea +fdiv 010110 ..... ..... ..... 0011 000 0000 @typea +fcmp_un 010110 ..... ..... ..... 0100 000 0000 @typea +fcmp_lt 010110 ..... ..... ..... 0100 001 0000 @typea +fcmp_eq 010110 ..... ..... ..... 0100 010 0000 @typea +fcmp_le 010110 ..... ..... ..... 0100 011 0000 @typea +fcmp_gt 010110 ..... ..... ..... 0100 100 0000 @typea +fcmp_ne 010110 ..... ..... ..... 0100 101 0000 @typea +fcmp_ge 010110 ..... ..... ..... 0100 110 0000 @typea + +# Note that flt and fint, unlike fsqrt, are documented as having the RB +# operand which is unused. So allow the field to be non-zero but discard +# the value and treat as 2-operand insns. +flt 010110 ..... ..... ----- 0101 000 0000 @typea0 +fint 010110 ..... ..... ----- 0110 000 0000 @typea0 +fsqrt 010110 ..... ..... 00000 0111 000 0000 @typea0 + +get 011011 rd:5 00000 0 ctrl:5 000000 imm:4 +getd 010011 rd:5 00000 rb:5 0 ctrl:5 00000 + +idiv 010010 ..... ..... ..... 000 0000 0000 @typea +idivu 010010 ..... ..... ..... 000 0000 0010 @typea + +imm 101100 00000 00000 imm:16 + +lbu 110000 ..... ..... ..... 0000 000 0000 @typea +lbur 110000 ..... ..... ..... 0100 000 0000 @typea +lbuea 110000 ..... ..... ..... 0001 000 0000 @typea +lbui 111000 ..... ..... ................ @typeb + +lhu 110001 ..... ..... ..... 0000 000 0000 @typea +lhur 110001 ..... ..... ..... 0100 000 0000 @typea +lhuea 110001 ..... ..... ..... 0001 000 0000 @typea +lhui 111001 ..... ..... ................ @typeb + +lw 110010 ..... ..... ..... 0000 000 0000 @typea +lwr 110010 ..... ..... ..... 0100 000 0000 @typea +lwea 110010 ..... ..... ..... 0001 000 0000 @typea +lwx 110010 ..... ..... ..... 1000 000 0000 @typea +lwi 111010 ..... ..... ................ @typeb + +mbar 101110 imm:5 00010 0000 0000 0000 0100 + +mfs 100101 rd:5 0 e:1 000 10 rs:14 +mts 100101 0 e:1 000 ra:5 11 rs:14 + +msrclr 100101 ..... 100010 ............... @type_msr +msrset 100101 ..... 100000 ............... @type_msr + +mul 010000 ..... ..... ..... 000 0000 0000 @typea +mulh 010000 ..... ..... ..... 000 0000 0001 @typea +mulhu 010000 ..... ..... ..... 000 0000 0011 @typea +mulhsu 010000 ..... ..... ..... 000 0000 0010 @typea +muli 011000 ..... ..... ................ @typeb + +or 100000 ..... ..... ..... 000 0000 0000 @typea +ori 101000 ..... ..... ................ @typeb + +pcmpbf 100000 ..... ..... ..... 100 0000 0000 @typea +pcmpeq 100010 ..... ..... ..... 100 0000 0000 @typea +pcmpne 100011 ..... ..... ..... 100 0000 0000 @typea + +put 011011 00000 ra:5 1 ctrl:5 000000 imm:4 +putd 010011 00000 ra:5 rb:5 1 ctrl:5 00000 + +rsub 000001 ..... ..... ..... 000 0000 0000 @typea +rsubc 000011 ..... ..... ..... 000 0000 0000 @typea +rsubk 000101 ..... ..... ..... 000 0000 0000 @typea +rsubkc 000111 ..... ..... ..... 000 0000 0000 @typea + +rsubi 001001 ..... ..... ................ @typeb +rsubic 001011 ..... ..... ................ @typeb +rsubik 001101 ..... ..... ................ @typeb +rsubikc 001111 ..... ..... ................ @typeb + +rtbd 101101 10010 ..... ................ @typeb_bc +rtid 101101 10001 ..... ................ @typeb_bc +rted 101101 10100 ..... ................ @typeb_bc +rtsd 101101 10000 ..... ................ @typeb_bc + +sb 110100 ..... ..... ..... 0000 000 0000 @typea +sbr 110100 ..... ..... ..... 0100 000 0000 @typea +sbea 110100 ..... ..... ..... 0001 000 0000 @typea +sbi 111100 ..... ..... ................ @typeb + +sh 110101 ..... ..... ..... 0000 000 0000 @typea +shr 110101 ..... ..... ..... 0100 000 0000 @typea +shea 110101 ..... ..... ..... 0001 000 0000 @typea +shi 111101 ..... ..... ................ @typeb + +sw 110110 ..... ..... ..... 0000 000 0000 @typea +swr 110110 ..... ..... ..... 0100 000 0000 @typea +swea 110110 ..... ..... ..... 0001 000 0000 @typea +swx 110110 ..... ..... ..... 1000 000 0000 @typea +swi 111110 ..... ..... ................ @typeb + +sext8 100100 ..... ..... 00000 000 0110 0000 @typea0 +sext16 100100 ..... ..... 00000 000 0110 0001 @typea0 + +sra 100100 ..... ..... 00000 000 0000 0001 @typea0 +src 100100 ..... ..... 00000 000 0010 0001 @typea0 +srl 100100 ..... ..... 00000 000 0100 0001 @typea0 + +swapb 100100 ..... ..... 00000 001 1110 0000 @typea0 +swaph 100100 ..... ..... 00000 001 1110 0010 @typea0 + +# Cache operations have no effect in qemu: discard the arguments. +wdic 100100 00000 ----- ----- -00 -11- 01-0 # wdc +wdic 100100 00000 ----- ----- 000 0110 1000 # wic + +xor 100010 ..... ..... ..... 000 0000 0000 @typea +xori 101010 ..... ..... ................ @typeb |