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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 the PE that executes this System instruction.

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>}

op0op1CRnCRmop2Rt
0b010b1100b10000b01110b0000b11111
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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