MLBI

MPAM lookaside buffer invalidate

This instruction causes invalidation of cached copies of MPAM virtual-to-physical identifier translations.

This is an alias of SYS. This means:

System
(FEAT_MPAMv2_VID)

313029282726252423222120191817161514131211109876543210
1101010100001100011100001xxRt
Lop1CRnCRmop2

Encoding

MLBI <mlbi_op>{, <Xt>}

is equivalent to

SYS #4, C7, C0, #<op2>{, <Xt>}

and is always the preferred disassembly.

Assembler Symbols

<mlbi_op>

Is an MLBI operation name, as listed for the MLBI system instruction group, encoded in op2[1:0]:

op2[1:0] <mlbi_op>
00 ALLE1
01 VMALLE1
10 VPIDE1
11 VPMGE1
<Xt>

Is the 64-bit name of the optional general-purpose source register, defaulting to '11111', encoded in the "Rt" field.

Operation

The description of SYS gives the operational pseudocode for this instruction.


2025-12_rel 2025-12-10 16:41:45

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