xref: /qemu/target/ppc/insn32.decode (revision 8f0a4b6a)
199082815SRichard Henderson#
299082815SRichard Henderson# Power ISA decode for 32-bit insns (opcode space 0)
399082815SRichard Henderson#
499082815SRichard Henderson# Copyright (c) 2021 Instituto de Pesquisas Eldorado (eldorado.org.br)
599082815SRichard Henderson#
699082815SRichard Henderson# This library is free software; you can redistribute it and/or
799082815SRichard Henderson# modify it under the terms of the GNU Lesser General Public
899082815SRichard Henderson# License as published by the Free Software Foundation; either
999082815SRichard Henderson# version 2.1 of the License, or (at your option) any later version.
1099082815SRichard Henderson#
1199082815SRichard Henderson# This library is distributed in the hope that it will be useful,
1299082815SRichard Henderson# but WITHOUT ANY WARRANTY; without even the implied warranty of
1399082815SRichard Henderson# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
1499082815SRichard Henderson# Lesser General Public License for more details.
1599082815SRichard Henderson#
1699082815SRichard Henderson# You should have received a copy of the GNU Lesser General Public
1799082815SRichard Henderson# License along with this library; if not, see <http://www.gnu.org/licenses/>.
1899082815SRichard Henderson#
195e560864SRichard Henderson
205e560864SRichard Henderson&D              rt ra si:int64_t
215e560864SRichard Henderson@D              ...... rt:5 ra:5 si:s16                 &D
225e560864SRichard Henderson
23*8f0a4b6aSMatheus Ferst&D_bf           bf l:bool ra imm
24*8f0a4b6aSMatheus Ferst@D_bfs          ...... bf:3 - l:1 ra:5 imm:s16          &D_bf
25*8f0a4b6aSMatheus Ferst@D_bfu          ...... bf:3 - l:1 ra:5 imm:16           &D_bf
26*8f0a4b6aSMatheus Ferst
27f2aabda8SRichard Henderson%ds_si          2:s14  !function=times_4
28f2aabda8SRichard Henderson@DS             ...... rt:5 ra:5 .............. ..      &D si=%ds_si
29f2aabda8SRichard Henderson
30e7a5d578SMatheus Ferst&DX             rt d
31e7a5d578SMatheus Ferst%dx_d           6:s10 16:5 0:1
32e7a5d578SMatheus Ferst@DX             ...... rt:5  ..... .......... ..... .   &DX d=%dx_d
33e7a5d578SMatheus Ferst
34a5f56954SMatheus Ferst&VX             vrt vra vrb
35a5f56954SMatheus Ferst@VX             ...... vrt:5 vra:5 vrb:5 .......... .   &VX
36a5f56954SMatheus Ferst
37f2aabda8SRichard Henderson&X              rt ra rb
38f2aabda8SRichard Henderson@X              ...... rt:5 ra:5 rb:5 .......... .      &X
39f2aabda8SRichard Henderson
409a14365eSMatheus Ferst&X_bi           rt bi
419a14365eSMatheus Ferst@X_bi           ...... rt:5 bi:5 ----- .......... -     &X_bi
429a14365eSMatheus Ferst
43*8f0a4b6aSMatheus Ferst&X_bfl          bf l:bool ra rb
44*8f0a4b6aSMatheus Ferst@X_bfl          ...... bf:3 - l:1 ra:5 rb:5 ..........- &X_bfl
45*8f0a4b6aSMatheus Ferst
46f2aabda8SRichard Henderson### Fixed-Point Load Instructions
47f2aabda8SRichard Henderson
48f2aabda8SRichard HendersonLBZ             100010 ..... ..... ................     @D
49f2aabda8SRichard HendersonLBZU            100011 ..... ..... ................     @D
50f2aabda8SRichard HendersonLBZX            011111 ..... ..... ..... 0001010111 -   @X
51f2aabda8SRichard HendersonLBZUX           011111 ..... ..... ..... 0001110111 -   @X
52f2aabda8SRichard Henderson
53f2aabda8SRichard HendersonLHZ             101000 ..... ..... ................     @D
54f2aabda8SRichard HendersonLHZU            101001 ..... ..... ................     @D
55f2aabda8SRichard HendersonLHZX            011111 ..... ..... ..... 0100010111 -   @X
56f2aabda8SRichard HendersonLHZUX           011111 ..... ..... ..... 0100110111 -   @X
57f2aabda8SRichard Henderson
58f2aabda8SRichard HendersonLHA             101010 ..... ..... ................     @D
59f2aabda8SRichard HendersonLHAU            101011 ..... ..... ................     @D
60f2aabda8SRichard HendersonLHAX            011111 ..... ..... ..... 0101010111 -   @X
61f2aabda8SRichard HendersonLHAXU           011111 ..... ..... ..... 0101110111 -   @X
62f2aabda8SRichard Henderson
63f2aabda8SRichard HendersonLWZ             100000 ..... ..... ................     @D
64f2aabda8SRichard HendersonLWZU            100001 ..... ..... ................     @D
65f2aabda8SRichard HendersonLWZX            011111 ..... ..... ..... 0000010111 -   @X
66f2aabda8SRichard HendersonLWZUX           011111 ..... ..... ..... 0000110111 -   @X
67f2aabda8SRichard Henderson
68f2aabda8SRichard HendersonLWA             111010 ..... ..... ..............10     @DS
69f2aabda8SRichard HendersonLWAX            011111 ..... ..... ..... 0101010101 -   @X
70f2aabda8SRichard HendersonLWAUX           011111 ..... ..... ..... 0101110101 -   @X
71f2aabda8SRichard Henderson
72f2aabda8SRichard HendersonLD              111010 ..... ..... ..............00     @DS
73f2aabda8SRichard HendersonLDU             111010 ..... ..... ..............01     @DS
74f2aabda8SRichard HendersonLDX             011111 ..... ..... ..... 0000010101 -   @X
75f2aabda8SRichard HendersonLDUX            011111 ..... ..... ..... 0000110101 -   @X
76f2aabda8SRichard Henderson
77e8f4c8d6SRichard Henderson### Fixed-Point Store Instructions
78e8f4c8d6SRichard Henderson
79e8f4c8d6SRichard HendersonSTB             100110 ..... ..... ................     @D
80e8f4c8d6SRichard HendersonSTBU            100111 ..... ..... ................     @D
81e8f4c8d6SRichard HendersonSTBX            011111 ..... ..... ..... 0011010111 -   @X
82e8f4c8d6SRichard HendersonSTBUX           011111 ..... ..... ..... 0011110111 -   @X
83e8f4c8d6SRichard Henderson
84e8f4c8d6SRichard HendersonSTH             101100 ..... ..... ................     @D
85e8f4c8d6SRichard HendersonSTHU            101101 ..... ..... ................     @D
86e8f4c8d6SRichard HendersonSTHX            011111 ..... ..... ..... 0110010111 -   @X
87e8f4c8d6SRichard HendersonSTHUX           011111 ..... ..... ..... 0110110111 -   @X
88e8f4c8d6SRichard Henderson
89e8f4c8d6SRichard HendersonSTW             100100 ..... ..... ................     @D
90e8f4c8d6SRichard HendersonSTWU            100101 ..... ..... ................     @D
91e8f4c8d6SRichard HendersonSTWX            011111 ..... ..... ..... 0010010111 -   @X
92e8f4c8d6SRichard HendersonSTWUX           011111 ..... ..... ..... 0010110111 -   @X
93e8f4c8d6SRichard Henderson
94e8f4c8d6SRichard HendersonSTD             111110 ..... ..... ..............00     @DS
95e8f4c8d6SRichard HendersonSTDU            111110 ..... ..... ..............01     @DS
96e8f4c8d6SRichard HendersonSTDX            011111 ..... ..... ..... 0010010101 -   @X
97e8f4c8d6SRichard HendersonSTDUX           011111 ..... ..... ..... 0010110101 -   @X
98e8f4c8d6SRichard Henderson
99*8f0a4b6aSMatheus Ferst### Fixed-Point Compare Instructions
100*8f0a4b6aSMatheus Ferst
101*8f0a4b6aSMatheus FerstCMP             011111 ... - . ..... ..... 0000000000 - @X_bfl
102*8f0a4b6aSMatheus FerstCMPL            011111 ... - . ..... ..... 0000100000 - @X_bfl
103*8f0a4b6aSMatheus FerstCMPI            001011 ... - . ..... ................   @D_bfs
104*8f0a4b6aSMatheus FerstCMPLI           001010 ... - . ..... ................   @D_bfu
105*8f0a4b6aSMatheus Ferst
1065e560864SRichard Henderson### Fixed-Point Arithmetic Instructions
1075e560864SRichard Henderson
1085e560864SRichard HendersonADDI            001110 ..... ..... ................     @D
1095e560864SRichard HendersonADDIS           001111 ..... ..... ................     @D
1109a14365eSMatheus Ferst
111e7a5d578SMatheus FerstADDPCIS         010011 ..... ..... .......... 00010 .   @DX
112e7a5d578SMatheus Ferst
11389ccd7dcSMatheus Ferst## Fixed-Point Logical Instructions
11489ccd7dcSMatheus Ferst
11589ccd7dcSMatheus FerstCFUGED          011111 ..... ..... ..... 0011011100 -   @X
11689ccd7dcSMatheus Ferst
1179a14365eSMatheus Ferst### Move To/From System Register Instructions
1189a14365eSMatheus Ferst
1199a14365eSMatheus FerstSETBC           011111 ..... ..... ----- 0110000000 -   @X_bi
1209a14365eSMatheus FerstSETBCR          011111 ..... ..... ----- 0110100000 -   @X_bi
1219a14365eSMatheus FerstSETNBC          011111 ..... ..... ----- 0111000000 -   @X_bi
1229a14365eSMatheus FerstSETNBCR         011111 ..... ..... ----- 0111100000 -   @X_bi
123a5f56954SMatheus Ferst
124a5f56954SMatheus Ferst## Vector Bit Manipulation Instruction
125a5f56954SMatheus Ferst
126a5f56954SMatheus FerstVCFUGED         000100 ..... ..... ..... 10101001101    @VX
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