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:
| 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 | ||||||||||||||||||||||||||||||
DC <dc_op>, <Xt> // (PSTATE.C64 == '0' or when <dc_op> does not take a VA)
DC <dc_op>, <Ct> // (PSTATE.C64 == '1' when <dc_op> takes a VA)
is equivalent to
SYS #<op1>, C7, <Cm>, #<op2>, <Xt>
and is the preferred disassembly when SysOp(op1,'0111',CRm,op2) == Sys_DC.
| <Ct> |
Is the source capability register, encoded in the "Rt" field. |
| <op1> |
Is a 3-bit unsigned immediate, in the range 0 to 7, encoded in the "op1" field. |
| <Cm> |
Is a name 'Cm', with 'm' in the range 0 to 15, encoded in the "CRm" field. |
| <op2> |
Is a 3-bit unsigned immediate, in the range 0 to 7, encoded in the "op2" field. |
| <Xt> |
Is the 64-bit name of the general-purpose source register, encoded in the "Rt" field. |
The description of SYS gives the operational pseudocode for this instruction.
Internal version only: isa v32.13, AdvSIMD v29.04, pseudocode morello-2022-01_rc2, capabilities morello-2022-01_rc2 ; Build timestamp: 2022-01-11T11:23
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