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xemu/target/microblaze/insns.decode
Richard Henderson 52065d8f46 target/microblaze: Convert dec_stream to decodetree 
Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-09-01 07:43:35 -07:00

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#
# 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
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