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TLBI ALLE3, TLB Invalidate All, EL3

The TLBI ALLE3 characteristics are:

Purpose

If EL3 is implemented, invalidates cached copies of translation table entries from TLBs that meet all the following requirements:

  • The entry is a stage 1 translation table entry, from any level of the translation table walk.

  • The entry would be required to translate an address using the EL3 translation regime.

The invalidation applies to all PEs in the same Inner Shareable shareability domain as the PE that executes this instructions.

Configuration

Attributes

TLBI ALLE3 is a 64-bit System instruction.

Field descriptions

TLBI ALLE3 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 ALLE3 instruction

Accesses to this instruction use the following encodings:

TLBI ALLE3{, <Xt>}

Rtop0op1op2CRnCRm
0b111110b010b1100b0000b10000b0111
if PSTATE.EL == EL0 then
    UNDEFINED;
elsif PSTATE.EL == EL1 then
    UNDEFINED;
elsif PSTATE.EL == EL2 then
    UNDEFINED;
elsif PSTATE.EL == EL3 then
    TLBI_ALLE3();
              


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