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AT

Address Translate.

This instruction is an alias of SYS.

Syntax

AT at_op, Xt

Equivalent to SYS #op1, C7, C8, #op2, Xt

Where:

at_op

Is an AT operation name, as listed for the AT system operation group, and can be one of S1E1R, S1E1W, S1E0R, S1E0W, S1E2R, S1E2W, S12E1R, S12E1W, S12E0R, S12E0W, S1E3R or S1E3W.

op1

Is a 3-bit unsigned immediate, in the range 0 to 7.

op2

Is a 3-bit unsigned immediate, in the range 0 to 7.

Xt

Is the 64-bit name of the general-purpose source register.

Usage

Address Translate. For more information, see A64 system instructions for address translation in the ARMv8-A Architecture Reference Manual.

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