From: Sascha Bischoff <Sascha.Bischoff@arm.com>
Date: Fri, 27 Jun 2025 10:09:01 +0000 (+0000)
Subject: arm64/sysreg: Add ICH_VCTLR_EL2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b62f4b5dec91b62af2791fb7004f91c92ed1444f;p=thirdparty%2Flinux.git

arm64/sysreg: Add ICH_VCTLR_EL2

This system register is required to enable/disable V3 legacy mode when
running on a GICv5 host.

Co-authored-by: Timothy Hayes <timothy.hayes@arm.com>
Signed-off-by: Timothy Hayes <timothy.hayes@arm.com>
Signed-off-by: Sascha Bischoff <sascha.bischoff@arm.com>
Link: https://lore.kernel.org/r/20250627100847.1022515-4-sascha.bischoff@arm.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
---

diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index aab58bf4ed9c2..dd1ae04eb033b 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -4530,6 +4530,12 @@ Field	1	U
 Field	0	EOI
 EndSysreg
 
+Sysreg	ICH_VCTLR_EL2	3	4	12	11	4
+Res0	63:2
+Field	1	V3
+Field	0	En
+EndSysreg
+
 Sysreg	CONTEXTIDR_EL2	3	4	13	0	1
 Fields	CONTEXTIDR_ELx
 EndSysreg