From a16f10ab0aa76d88cc45cc01fae44b94d1873bbc Mon Sep 17 00:00:00 2001
From: Andrew Turner <andrew@FreeBSD.org>
Date: Fri, 27 Sep 2024 14:41:08 +0100
Subject: [PATCH] arm64: Don't trap SVE to EL2

As with floating point instructions don't trap SVE instructions to the
hypervisor. This lets us handle then in the kernel.

Reviewed by:	imp (earlier version)
Sponsored by:	Arm Ltd
Differential Revision:	https://reviews.freebsd.org/D43303

(cherry picked from commit fe5ed2496e44aec018a6215175bba225b20d81fd)
---
 sys/arm64/include/hypervisor.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/arm64/include/hypervisor.h b/sys/arm64/include/hypervisor.h
index 602436d2a72..324b28673b1 100644
--- a/sys/arm64/include/hypervisor.h
+++ b/sys/arm64/include/hypervisor.h
@@ -50,7 +50,7 @@
 /* CPTR_EL2 - Architecture feature trap register */
 /* Valid if HCR_EL2.E2H == 0 */
 #define	CPTR_RES0		0x7fefc800
-#define	CPTR_RES1		0x000033ff
+#define	CPTR_RES1		0x000032ff
 #define	CPTR_TFP		0x00000400
 /* Valid if HCR_EL2.E2H == 1 */
 #define	CPTR_FPEN		0x00300000