tlbia
TLB Invalidate All
tlbia
Invalidates the entire Translation Lookaside Buffer.
Encoding
Binary Layout
31
0:5
/
6:10
/
11:15
/
16:20
370
21:30
/
31
Operands
Related
More in Privileged
Reference
View in PowerISA v3.1C Specification ↗
OPF Power ISA v3.1C
Description
Invalidates all entries in the Translation Lookaside Buffer (TLB), flushing all virtual-to-physical address translations. This is a privileged instruction used for memory management and typically follows changes to page tables. No condition registers are modified; the instruction may have latency on some implementations.
Operation
for each TLB entry: InvalidateEntry()