TLBI PAALLOS, TLB Invalidate GPT Information by PA, All Entries, Outer Shareable

The TLBI PAALLOS 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 PAALLOS are UNDEFINED.

Attributes

TLBI PAALLOS 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 the TLBI PAALLOS instruction

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

TLBI PAALLOS{, <Xt>}

op0op1CRnCRmop2
0b010b1100b10000b00010b100

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_OSH);


20/09/2021 12:37; d4a233ffbdfb36e47856c443a7ce9a85f5e501ca

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