TLBI ALLE2, TLB Invalidate All, EL2

The TLBI ALLE2 characteristics are:

Purpose

If EL2 is implemented, invalidate cached copies of translation table entries from TLBs that meet all the following requirements:

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

This System instruction is part of the TLB maintenance instructions functional group.

Configuration

There are no configuration notes.

Attributes

TLBI ALLE2 is a 64-bit System instruction.

Field descriptions

TLBI ALLE2 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 ALLE2 instruction

This instruction is executed using TLBI with the following syntax:

TLBI <tlbi_op>

This syntax uses the following encoding in the System instruction encoding space:

<tlbi_op> op0op1CRnCRmop2Rt
ALLE2011001000011100011111

Accessibility

The instruction is executable as follows:

Control Accessibility
E2HTGENSEL0EL1EL2EL3
xx0 - - n/a -
001 - - WOWO
011 - n/a WOWO
101 - - WOWO
111 - n/a WOWO

This table applies to all syntax that can be used to execute this instruction.

If EL2 is not implemented, this instruction is UNDEFINED.




02/05/2017 15:43

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