TLBI ALLE1, TLB Invalidate All, EL1

The TLBI ALLE1 characteristics are:

Purpose

Invalidates cached copies of translation table entries from TLBs that meet all the following requirements:

The invalidation applies to entries with any VMID.

The invalidation only applies to the PE that executes this System instruction.

Note

For the EL1&0 translation regimes, the invalidation applies to both global entries, and non-global entries with any ASID.

Configuration

Attributes

TLBI ALLE1 is a 64-bit System instruction.

Field descriptions

TLBI ALLE1 ignores the value in the register specified by the instruction encoding. Software does not have to write a value to the register before issuing this instruction.

Executing the TLBI ALLE1 instruction

Accesses to this instruction use the following encodings:

TLBI ALLE1{, <Xt>}

op0op1CRnCRmop2Rt
0b010b1000b10000b01110b1000b11111

if PSTATE.EL == EL0 then UNDEFINED; elsif PSTATE.EL == EL1 then if EL2Enabled() && HCR_EL2.NV == '1' then AArch64.SystemAccessTrap(EL2, 0x18); else UNDEFINED; elsif PSTATE.EL == EL2 then TLBI_ALLE1(); elsif PSTATE.EL == EL3 then TLBI_ALLE1();




27/03/2019 21:59; e5e4db499bf9867a4b93324c4dbac985d3da9376

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