From: kettenis <kettenis@openbsd.org>
Date: Mon, 21 Jun 2021 15:19:39 +0000 (+0000)
Subject: Change tb_freq to uint64_t.  This prevents an overflow in the riscv64
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=bf49bd1358630df2026288428806df447d3fcc0b;p=openbsd

Change tb_freq to uint64_t.  This prevents an overflow in the riscv64
implementation of delay(9).

ok deraadt@
---

diff --git a/sys/arch/riscv64/riscv64/clock.c b/sys/arch/riscv64/riscv64/clock.c
index 9ee3bb77876..02984bb4ed8 100644
--- a/sys/arch/riscv64/riscv64/clock.c
+++ b/sys/arch/riscv64/riscv64/clock.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: clock.c,v 1.1 2021/05/04 16:38:06 kettenis Exp $	*/
+/*	$OpenBSD: clock.c,v 1.2 2021/06/21 15:19:39 kettenis Exp $	*/
 
 /*
  * Copyright (c) 2020 Mark Kettenis <kettenis@openbsd.org>
@@ -28,7 +28,7 @@
 
 #include <riscv64/dev/riscv_cpu_intc.h>
 
-extern uint32_t tb_freq;	/* machdep.c */
+extern uint64_t tb_freq;	/* machdep.c */
 
 uint64_t tick_increment;
 uint64_t statmin;