From 8a8329ad952b0fced970cc0b83e5e87d4a5ceb7a Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Sun, 25 Jul 2021 14:12:17 +0000
Subject: [PATCH] bcm64: make the kernel use virtual timer counter register for
 cycles()

---
 sys/src/9/bcm64/l.s | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/src/9/bcm64/l.s b/sys/src/9/bcm64/l.s
index 86035d6bb..1e9bdb217 100644
--- a/sys/src/9/bcm64/l.s
+++ b/sys/src/9/bcm64/l.s
@@ -298,6 +298,9 @@ _goodnight:
 	RETURN
 
 TEXT vcycles(SB), 1, $-4
+	MRS	CNTVCT_EL0, R0
+	RETURN
+
 TEXT lcycles(SB), 1, $-4
 	MRS	PMCCNTR_EL0, R0
 	RETURN