ACTLR_EL3, Auxiliary Control Register (EL3)

The ACTLR_EL3 characteristics are:

Purpose

Provides IMPLEMENTATION DEFINED configuration and control options for EL3.

Configuration

This register is present only when EL3 is implemented. Otherwise, direct accesses to ACTLR_EL3 are UNDEFINED.

Attributes

ACTLR_EL3 is a 64-bit register.

Field descriptions

6362616059585756555453525150494847464544434241403938373635343332
313029282726252423222120191817161514131211109876543210
IMPLEMENTATION DEFINED
IMPLEMENTATION DEFINED

IMPLEMENTATION DEFINED, bits [63:0]

IMPLEMENTATION DEFINED.

The reset behaviour of this field is:

Accessing ACTLR_EL3

Accesses to this register use the following encodings in the System register encoding space:

MRS <Xt>, ACTLR_EL3

op0op1CRnCRmop2
0b110b1100b00010b00000b001

if PSTATE.EL == EL0 then UNDEFINED; elsif PSTATE.EL == EL1 then UNDEFINED; elsif PSTATE.EL == EL2 then UNDEFINED; elsif PSTATE.EL == EL3 then return ACTLR_EL3;

MSR ACTLR_EL3, <Xt>

op0op1CRnCRmop2
0b110b1100b00010b00000b001

if PSTATE.EL == EL0 then UNDEFINED; elsif PSTATE.EL == EL1 then UNDEFINED; elsif PSTATE.EL == EL2 then UNDEFINED; elsif PSTATE.EL == EL3 then ACTLR_EL3 = X[t];


30/06/2021 09:39; 4f5dd962f4e34e1ac282f76da4d6e7fc4cab087e

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