diff mbox series

[01/18] arm64: Add ID_AA64ISAR1_EL1.LS64 encoding for FEAT_LS64WB

Message ID 20250210184150.2145093-2-maz@kernel.org (mailing list archive)
State New
Headers show
Series KVM: arm64: Revamp Fine Grained Trap handling | expand

Commit Message

Marc Zyngier Feb. 10, 2025, 6:41 p.m. UTC 
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.

Signed-off-by: Marc Zyngier <maz@kernel.org>
---
 arch/arm64/tools/sysreg | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 762ee084b37c5..8c4229b34840f 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -1466,6 +1466,7 @@  UnsignedEnum	63:60	LS64
 	0b0001	LS64
 	0b0010	LS64_V
 	0b0011	LS64_ACCDATA
+	0b0100	LS64WB
 EndEnum
 UnsignedEnum	59:56	XS
 	0b0000	NI