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CPP
Cache Prefetch Prediction Restriction by Context prevents cache allocation predictions, based on information gathered from earlier execution within a particular execution context, from allowing later speculative execution within that context to be observable through side-channels.
For more information, see CPP RCTX, Cache Prefetch Prediction Restriction by Context.
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 for this instruction.
System
(Armv8.5)
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 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | Rt | ||||
L | op1 | CRn | CRm | op2 |
Assembler Symbols
Operation
The description of SYS gives the operational pseudocode for this instruction.