16.102 MRS

Move System Register.

Syntax

MRS Xt, (systemreg|Sop0_op1_Cn_Cm_op2)

Where:

Xt
Is the 64-bit name of the general-purpose destination register.
systemreg
Is a System register name.
op0
Is an unsigned immediate, and can be either 2 or 3.
op1
Is a 3-bit unsigned immediate, in the range 0 to 7.
Cn
Is a name Cn, with n in the range 0 to 15.
Cm
Is a name Cm, with m in the range 0 to 15.
op2
Is a 3-bit unsigned immediate, in the range 0 to 7.

Usage

Move System Register allows the PE to read an AArch64 System register into a general-purpose register.

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