xref: /openbmc/qemu/target/ppc/insn64.decode (revision 93e0932b)
1#
2# Power ISA decode for 64-bit prefixed insns (opcode space 0 and 1)
3#
4# Copyright (c) 2021 Instituto de Pesquisas Eldorado (eldorado.org.br)
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# Format MLS:D and 8LS:D
21&PLS_D          rt ra si:int64_t r:bool
22%pls_si         32:s18 0:16
23@PLS_D          ...... .. ... r:1 .. .................. \
24                ...... rt:5 ra:5 ................       \
25                &PLS_D si=%pls_si
26@8LS_D_TSX      ...... .. . .. r:1 .. .................. \
27                ..... rt:6 ra:5 ................         \
28                &PLS_D si=%pls_si
29
30%rt_tsxp        21:1 22:4 !function=times_2
31@8LS_D_TSXP     ...... .. . .. r:1 .. .................. \
32                ...... ..... ra:5 ................       \
33                &PLS_D si=%pls_si rt=%rt_tsxp
34
35@8LS_D          ...... .. . .. r:1 .. .................. \
36                ...... rt:5 ra:5 ................        \
37                &PLS_D si=%pls_si
38
39# Format 8RR:D
40%8rr_si         32:s16 0:16
41%8rr_xt         16:1 21:5
42&8RR_D_IX       xt ix si
43@8RR_D_IX       ...... .. .... .. .. ................ \
44                ...... ..... ... ix:1 . ................ \
45                &8RR_D_IX si=%8rr_si xt=%8rr_xt
46&8RR_D          xt si:int32_t
47@8RR_D          ...... .. .... .. .. ................ \
48                ...... ..... ....  . ................ \
49                &8RR_D si=%8rr_si xt=%8rr_xt
50
51# Format 8RR:XX4
52%8rr_xx_xt      0:1 21:5
53%8rr_xx_xa      2:1 16:5
54%8rr_xx_xb      1:1 11:5
55%8rr_xx_xc      3:1  6:5
56&8RR_XX4        xt xa xb xc
57@8RR_XX4        ........ ........ ........ ........ \
58                ...... ..... ..... ..... ..... .. .... \
59                &8RR_XX4 xt=%8rr_xx_xt xa=%8rr_xx_xa xb=%8rr_xx_xb xc=%8rr_xx_xc
60
61&8RR_XX4_imm    xt xa xb xc imm
62@8RR_XX4_imm    ........ ........ ........ imm:8 \
63                ...... ..... ..... ..... ..... .. .... \
64                &8RR_XX4_imm xt=%8rr_xx_xt xa=%8rr_xx_xa xb=%8rr_xx_xb xc=%8rr_xx_xc
65
66&8RR_XX4_uim3   xt xa xb xc uim3
67@8RR_XX4_uim3   ...... .. .... .. ............... uim3:3 \
68                ...... ..... ..... ..... ..... .. ....   \
69                &8RR_XX4_uim3 xt=%8rr_xx_xt xa=%8rr_xx_xa xb=%8rr_xx_xb xc=%8rr_xx_xc
70
71# Format MMIRR:XX3
72&MMIRR_XX3      !extern xa xb xt pmsk xmsk ymsk
73%xx3_xa         2:1 16:5
74%xx3_xb         1:1 11:5
75%xx3_at         23:3
76%xx3_xa_pair    2:1 17:4 !function=times_2
77@MMIRR_XX3      ...... .. .... .. . . ........ xmsk:4 ymsk:4  \
78                ...... ... .. ..... ..... ........ ...  \
79                &MMIRR_XX3 xa=%xx3_xa xb=%xx3_xb xt=%xx3_at
80
81@MMIRR_XX3_NO_P ...... .. .... .. . . ........ xmsk:4 .... \
82                ...... ... .. ..... ..... ........ ... \
83                &MMIRR_XX3 xb=%xx3_xb xt=%xx3_at pmsk=1
84
85### Fixed-Point Load Instructions
86
87PLBZ            000001 10 0--.-- .................. \
88                100010 ..... ..... ................     @PLS_D
89PLHZ            000001 10 0--.-- .................. \
90                101000 ..... ..... ................     @PLS_D
91PLHA            000001 10 0--.-- .................. \
92                101010 ..... ..... ................     @PLS_D
93PLWZ            000001 10 0--.-- .................. \
94                100000 ..... ..... ................     @PLS_D
95PLWA            000001 00 0--.-- .................. \
96                101001 ..... ..... ................     @PLS_D
97PLD             000001 00 0--.-- .................. \
98                111001 ..... ..... ................     @PLS_D
99PLQ             000001 00 0--.-- .................. \
100                111000 ..... ..... ................     @PLS_D
101
102### Fixed-Point Store Instructions
103
104PSTW            000001 10 0--.-- .................. \
105                100100 ..... ..... ................     @PLS_D
106PSTB            000001 10 0--.-- .................. \
107                100110 ..... ..... ................     @PLS_D
108PSTH            000001 10 0--.-- .................. \
109                101100 ..... ..... ................     @PLS_D
110
111PSTD            000001 00 0--.-- .................. \
112                111101 ..... ..... ................     @PLS_D
113PSTQ            000001 00 0--.-- .................. \
114                111100 ..... ..... ................     @PLS_D
115
116### Fixed-Point Arithmetic Instructions
117
118PADDI           000001 10 0--.-- ..................     \
119                001110 ..... ..... ................     @PLS_D
120
121### Float-Point Load and Store Instructions
122
123PLFS            000001 10 0--.-- .................. \
124                110000 ..... ..... ................     @PLS_D
125PLFD            000001 10 0--.-- .................. \
126                110010 ..... ..... ................     @PLS_D
127PSTFS           000001 10 0--.-- .................. \
128                110100 ..... ..... ................     @PLS_D
129PSTFD           000001 10 0--.-- .................. \
130                110110 ..... ..... ................     @PLS_D
131
132## VSX GER instruction
133
134PMXVI4GER8      000001 11 1001 -- - - pmsk:8 ........              \
135                111011 ... -- ..... ..... 00100011 ..-  @MMIRR_XX3
136PMXVI4GER8PP    000001 11 1001 -- - - pmsk:8 ........              \
137                111011 ... -- ..... ..... 00100010 ..-  @MMIRR_XX3
138PMXVI8GER4      000001 11 1001 -- - - pmsk:4 ---- ........         \
139                111011 ... -- ..... ..... 00000011 ..-  @MMIRR_XX3
140PMXVI8GER4PP    000001 11 1001 -- - - pmsk:4 ---- ........         \
141                111011 ... -- ..... ..... 00000010 ..-  @MMIRR_XX3
142PMXVI16GER2     000001 11 1001 -- - - pmsk:2 ------ ........       \
143                111011 ... -- ..... ..... 01001011 ..-  @MMIRR_XX3
144PMXVI16GER2PP   000001 11 1001 -- - - pmsk:2 ------ ........       \
145                111011 ... -- ..... ..... 01101011 ..-  @MMIRR_XX3
146PMXVI8GER4SPP   000001 11 1001 -- - - pmsk:4 ---- ........         \
147                111011 ... -- ..... ..... 01100011 ..-  @MMIRR_XX3
148PMXVI16GER2S    000001 11 1001 -- - - pmsk:2 ------ ........       \
149                111011 ... -- ..... ..... 00101011 ..-  @MMIRR_XX3
150PMXVI16GER2SPP  000001 11 1001 -- - - pmsk:2 ------ ........       \
151                111011 ... -- ..... ..... 00101010 ..-  @MMIRR_XX3
152
153PMXVBF16GER2    000001 11 1001 -- - - pmsk:2 ------ ........ \
154                111011 ... -- ..... ..... 00110011 ..-  @MMIRR_XX3
155PMXVBF16GER2PP  000001 11 1001 -- - - pmsk:2 ------ ........ \
156                111011 ... -- ..... ..... 00110010 ..-  @MMIRR_XX3
157PMXVBF16GER2PN  000001 11 1001 -- - - pmsk:2 ------ ........ \
158                111011 ... -- ..... ..... 10110010 ..-  @MMIRR_XX3
159PMXVBF16GER2NP  000001 11 1001 -- - - pmsk:2 ------ ........ \
160                111011 ... -- ..... ..... 01110010 ..-  @MMIRR_XX3
161PMXVBF16GER2NN  000001 11 1001 -- - - pmsk:2 ------ ........ \
162                111011 ... -- ..... ..... 11110010 ..-  @MMIRR_XX3
163
164PMXVF16GER2     000001 11 1001 -- - - pmsk:2 ------ ........ \
165                111011 ... -- ..... ..... 00010011 ..-  @MMIRR_XX3
166PMXVF16GER2PP   000001 11 1001 -- - - pmsk:2 ------ ........ \
167                111011 ... -- ..... ..... 00010010 ..-  @MMIRR_XX3
168PMXVF16GER2PN   000001 11 1001 -- - - pmsk:2 ------ ........ \
169                111011 ... -- ..... ..... 10010010 ..-  @MMIRR_XX3
170PMXVF16GER2NP   000001 11 1001 -- - - pmsk:2 ------ ........ \
171                111011 ... -- ..... ..... 01010010 ..-  @MMIRR_XX3
172PMXVF16GER2NN   000001 11 1001 -- - - pmsk:2 ------ ........ \
173                111011 ... -- ..... ..... 11010010 ..-  @MMIRR_XX3
174
175PMXVF32GER      000001 11 1001 -- - - -------- .... ymsk:4 \
176                111011 ... -- ..... ..... 00011011 ..-  @MMIRR_XX3_NO_P xa=%xx3_xa
177PMXVF32GERPP    000001 11 1001 -- - - -------- .... ymsk:4 \
178                111011 ... -- ..... ..... 00011010 ..-  @MMIRR_XX3_NO_P xa=%xx3_xa
179PMXVF32GERPN    000001 11 1001 -- - - -------- .... ymsk:4 \
180                111011 ... -- ..... ..... 10011010 ..-  @MMIRR_XX3_NO_P xa=%xx3_xa
181PMXVF32GERNP    000001 11 1001 -- - - -------- .... ymsk:4 \
182                111011 ... -- ..... ..... 01011010 ..-  @MMIRR_XX3_NO_P xa=%xx3_xa
183PMXVF32GERNN    000001 11 1001 -- - - -------- .... ymsk:4 \
184                111011 ... -- ..... ..... 11011010 ..-  @MMIRR_XX3_NO_P xa=%xx3_xa
185
186PMXVF64GER      000001 11 1001 -- - - -------- .... ymsk:2 -- \
187                111011 ... -- ....0 ..... 00111011 ..-  @MMIRR_XX3_NO_P xa=%xx3_xa_pair
188PMXVF64GERPP    000001 11 1001 -- - - -------- .... ymsk:2 -- \
189                111011 ... -- ....0 ..... 00111010 ..-  @MMIRR_XX3_NO_P xa=%xx3_xa_pair
190PMXVF64GERPN    000001 11 1001 -- - - -------- .... ymsk:2 -- \
191                111011 ... -- ....0 ..... 10111010 ..-  @MMIRR_XX3_NO_P xa=%xx3_xa_pair
192PMXVF64GERNP    000001 11 1001 -- - - -------- .... ymsk:2 -- \
193                111011 ... -- ....0 ..... 01111010 ..-  @MMIRR_XX3_NO_P xa=%xx3_xa_pair
194PMXVF64GERNN    000001 11 1001 -- - - -------- .... ymsk:2 -- \
195                111011 ... -- ....0 ..... 11111010 ..-  @MMIRR_XX3_NO_P xa=%xx3_xa_pair
196
197### Prefixed No-operation Instruction
198
199@PNOP           000001 11 0000-- 000000000000000000     \
200                ................................
201
202{
203  [
204    ## Invalid suffixes: Branch instruction
205    # bc[l][a]
206    INVALID     ................................        \
207                010000--------------------------        @PNOP
208    # b[l][a]
209    INVALID     ................................        \
210                010010--------------------------        @PNOP
211    # bclr[l]
212    INVALID     ................................        \
213                010011---------------0000010000-        @PNOP
214    # bcctr[l]
215    INVALID     ................................        \
216                010011---------------1000010000-        @PNOP
217    # bctar[l]
218    INVALID     ................................        \
219                010011---------------1000110000-        @PNOP
220
221    ## Invalid suffixes: rfebb
222    INVALID     ................................        \
223                010011---------------0010010010-        @PNOP
224
225    ## Invalid suffixes: context synchronizing other than isync
226    # sc
227    INVALID     ................................        \
228                010001------------------------1-        @PNOP
229    # scv
230    INVALID     ................................        \
231                010001------------------------01        @PNOP
232    # rfscv
233    INVALID     ................................        \
234                010011---------------0001010010-        @PNOP
235    # rfid
236    INVALID     ................................        \
237                010011---------------0000010010-        @PNOP
238    # hrfid
239    INVALID     ................................        \
240                010011---------------0100010010-        @PNOP
241    # urfid
242    INVALID     ................................        \
243                010011---------------0100110010-        @PNOP
244    # stop
245    INVALID     ................................        \
246                010011---------------0101110010-        @PNOP
247    # mtmsr w/ L=0
248    INVALID     ................................        \
249                011111---------0-----0010010010-        @PNOP
250    # mtmsrd w/ L=0
251    INVALID     ................................        \
252                011111---------0-----0010110010-        @PNOP
253
254    ## Invalid suffixes: Service Processor Attention
255    INVALID     ................................        \
256                000000----------------100000000-        @PNOP
257  ]
258
259  ## Valid suffixes
260  PNOP          ................................        \
261                --------------------------------        @PNOP
262}
263
264### VSX instructions
265
266PLXSD           000001 00 0--.-- .................. \
267                101010 ..... ..... ................     @8LS_D
268
269PSTXSD          000001 00 0--.-- .................. \
270                101110 ..... ..... ................     @8LS_D
271
272PLXSSP          000001 00 0--.-- .................. \
273                101011 ..... ..... ................     @8LS_D
274
275PSTXSSP         000001 00 0--.-- .................. \
276                101111 ..... ..... ................     @8LS_D
277
278PLXV            000001 00 0--.-- .................. \
279                11001 ...... ..... ................     @8LS_D_TSX
280PSTXV           000001 00 0--.-- .................. \
281                11011 ...... ..... ................     @8LS_D_TSX
282PLXVP           000001 00 0--.-- .................. \
283                111010 ..... ..... ................     @8LS_D_TSXP
284PSTXVP          000001 00 0--.-- .................. \
285                111110 ..... ..... ................     @8LS_D_TSXP
286
287XXEVAL          000001 01 0000 -- ---------- ........ \
288                100010 ..... ..... ..... ..... 01 ....  @8RR_XX4_imm
289
290XXSPLTIDP       000001 01 0000 -- -- ................ \
291                100000 ..... 0010 . ................    @8RR_D
292XXSPLTIW        000001 01 0000 -- -- ................ \
293                100000 ..... 0011 . ................    @8RR_D
294XXSPLTI32DX     000001 01 0000 -- -- ................ \
295                100000 ..... 000 .. ................    @8RR_D_IX
296
297XXBLENDVD       000001 01 0000 -- ------------------ \
298                100001 ..... ..... ..... ..... 11 ....  @8RR_XX4
299XXBLENDVW       000001 01 0000 -- ------------------ \
300                100001 ..... ..... ..... ..... 10 ....  @8RR_XX4
301XXBLENDVH       000001 01 0000 -- ------------------ \
302                100001 ..... ..... ..... ..... 01 ....  @8RR_XX4
303XXBLENDVB       000001 01 0000 -- ------------------ \
304                100001 ..... ..... ..... ..... 00 ....  @8RR_XX4
305
306XXPERMX         000001 01 0000 -- --------------- ... \
307                100010 ..... ..... ..... ..... 00 ....  @8RR_XX4_uim3
308