git: eba385011bfe - main - arm64: Use CHECK_CPU_FEAT to check for VHE

From: Andrew Turner <andrew_at_FreeBSD.org>
Date: Wed, 02 Jul 2025 10:02:23 UTC
The branch main has been updated by andrew:

URL: https://cgit.FreeBSD.org/src/commit/?id=eba385011bfed4c7b536eb22913dff979f36f128

commit eba385011bfed4c7b536eb22913dff979f36f128
Author:     Andrew Turner <andrew@FreeBSD.org>
AuthorDate: 2025-07-02 09:49:15 +0000
Commit:     Andrew Turner <andrew@FreeBSD.org>
CommitDate: 2025-07-02 09:49:15 +0000

    arm64: Use CHECK_CPU_FEAT to check for VHE
    
    Now we have a macro to check if a feature is supported in an ID
    register we can use it to see if VHE is supported.
    
    Sponsored by:   Arm Ltd
    Differential Revision:  https://reviews.freebsd.org/D51102
---
 sys/arm64/arm64/locore.S | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/sys/arm64/arm64/locore.S b/sys/arm64/arm64/locore.S
index 2f549a527f43..3c75feaa685b 100644
--- a/sys/arm64/arm64/locore.S
+++ b/sys/arm64/arm64/locore.S
@@ -373,9 +373,8 @@ LENTRY(enter_kernel_el)
 	ldr	x2, =INIT_SCTLR_EL1
 	msr	sctlr_el1, x2
 
-	/* Check if the E2H flag is set */
-	tst	x4, #HCR_E2H
-	b.eq	.Lno_vhe
+	/* Check for VHE */
+	CHECK_CPU_FEAT(x2, ID_AA64MMFR1, VH, .Lno_vhe)
 
 	/*
 	 * The kernel will be running in EL2, route exceptions here rather