TLBI PAALL, TLB Invalidate GPT Information by PA, All Entries, Local

The TLBI PAALL characteristics are:

Purpose

Invalidates cached copies of GPT entries from TLBs. Details:

The full set of TLB maintenance instructions that invalidate cached GPT entries is: TLBI PAALL, TLBI PAALLOS, TLBI RPALOS, and TLBI RPAOS.

These instructions have the same ordering, observability, and completion behavior as all other TLBI instructions.

Configuration

This instruction is present only when FEAT_RME is implemented. Otherwise, direct accesses to TLBI PAALL are UNDEFINED.

Attributes

TLBI PAALL is a 64-bit System instruction.

Field descriptions

This instruction has no applicable fields.

The value in the register specified by <Xt> is ignored.

Executing TLBI PAALL

Accesses to this instruction use the following encodings in the System instruction encoding space:

TLBI PAALL{, <Xt>}

op0op1CRnCRmop2
0b010b1100b10000b01110b100

if PSTATE.EL == EL0 then UNDEFINED; elsif PSTATE.EL == EL1 then UNDEFINED; elsif PSTATE.EL == EL2 then UNDEFINED; elsif PSTATE.EL == EL3 then AArch64.TLBI_PAALL(Shareability_NSH);


30/09/2022 15:58; 21c5a6dd0fdaf10a712e2f2d6fffbdbd66d4d96f

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