DC
Data Cache operation.
For more information, see
op0==0b01, cache maintenance, TLB maintenance, and address translation instructions.
This is an alias of
SYS.
This means:
-
The encodings in this description are named to match the encodings of
SYS.
- The description of SYS gives the operational pseudocode, any constrained unpredictable behavior, and any operational information for this instruction.
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| 1 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | op1 | 0 | 1 | 1 | 1 | CRm | op2 | Rt |
| L | | | CRn | | | |
Assembler Symbols
| <dc_op> |
Is a DC instruction name, as listed for the DC system instruction group,
encoded in
op1:CRm:op2 :
| op1 |
CRm |
op2 |
<dc_op> |
Architectural Feature |
| 000 |
0110 |
001 |
IVAC |
-
|
| 000 |
0110 |
010 |
ISW |
-
|
| 000 |
0110 |
011 |
IGVAC |
FEAT_MTE2
|
| 000 |
0110 |
100 |
IGSW |
FEAT_MTE2
|
| 000 |
0110 |
101 |
IGDVAC |
FEAT_MTE2
|
| 000 |
0110 |
110 |
IGDSW |
FEAT_MTE2
|
| 000 |
1010 |
010 |
CSW |
-
|
| 000 |
1010 |
100 |
CGSW |
FEAT_MTE2
|
| 000 |
1010 |
110 |
CGDSW |
FEAT_MTE2
|
| 000 |
1110 |
010 |
CISW |
-
|
| 000 |
1110 |
100 |
CIGSW |
FEAT_MTE2
|
| 000 |
1110 |
110 |
CIGDSW |
FEAT_MTE2
|
| 011 |
0100 |
001 |
ZVA |
-
|
| 011 |
0100 |
011 |
GVA |
FEAT_MTE
|
| 011 |
0100 |
100 |
GZVA |
FEAT_MTE
|
| 011 |
1010 |
001 |
CVAC |
-
|
| 011 |
1010 |
011 |
CGVAC |
FEAT_MTE
|
| 011 |
1010 |
101 |
CGDVAC |
FEAT_MTE
|
| 011 |
1011 |
001 |
CVAU |
-
|
| 011 |
1100 |
001 |
CVAP |
FEAT_DPB
|
| 011 |
1100 |
011 |
CGVAP |
FEAT_MTE
|
| 011 |
1100 |
101 |
CGDVAP |
FEAT_MTE
|
| 011 |
1101 |
001 |
CVADP |
FEAT_DPB2
|
| 011 |
1101 |
011 |
CGVADP |
FEAT_MTE
|
| 011 |
1101 |
101 |
CGDVADP |
FEAT_MTE
|
| 011 |
1110 |
001 |
CIVAC |
-
|
| 011 |
1110 |
011 |
CIGVAC |
FEAT_MTE
|
| 011 |
1110 |
101 |
CIGDVAC |
FEAT_MTE
|
| 100 |
1110 |
000 |
CIPAE |
FEAT_MEC
|
| 100 |
1110 |
111 |
CIGDPAE |
FEAT_MEC
|
| 110 |
1110 |
001 |
CIPAPA |
FEAT_RME
|
| 110 |
1110 |
101 |
CIGDPAPA |
FEAT_RME
|
|
| <Xt> |
Is the 64-bit name of the general-purpose source register, encoded in the "Rt" field.
|
Operation
The description of SYS gives the operational pseudocode for this instruction.
Internal version only: aarchmrs v2023-12_rel, pseudocode v2023-12_rel, sve v2023-12_rel
; Build timestamp: 2023-12-15T16:46
Copyright © 2010-2023 Arm Limited or its affiliates. All rights reserved.
This document is Non-Confidential.