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arm64: sysreg: Add ID_AA64ISAR1_EL1.LS64 encoding for FEAT_LS64WB
authorMarc Zyngier <maz@kernel.org>
Thu, 31 Oct 2024 08:42:11 +0000 (08:42 +0000)
committerMarc Zyngier <maz@kernel.org>
Tue, 6 May 2025 16:34:40 +0000 (17:34 +0100)
commit2030396dac5f564ec85422ceb4327fcdb0054f83
treee7ae350ce4fa95caa1de8f6d4d5b3a8561c51c40tree
parent9c32cda43eb78f78c73aee4aa344b777714e259bcommit | diff
arm64: sysreg: Add ID_AA64ISAR1_EL1.LS64 encoding for FEAT_LS64WB

The 2024 extensions are adding yet another variant of LS64
(aptly named FEAT_LS64WB) supporting LS64 accesses to write-back
memory, as well as 32 byte single-copy atomic accesses using pairs
of FP registers.

Add the relevant encoding to ID_AA64ISAR1_EL1.LS64.

Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
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