From 263dc8093d7eeece36160515b3a4f76a95352050 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Tue, 8 Dec 2020 16:00:57 +0100
Subject: pc64: preserve reserved bits in CR0/CR4 for amd64 in mtrr setstate()

On AMD64, CR0/CR4 are 64-bit registers, with
the upper half reserved. So use uintptr type
to store the register values to get 32 bit on 386
and 64 bit on AMD64.
---
 sys/src/9/pc/mtrr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'sys/src')

diff --git a/sys/src/9/pc/mtrr.c b/sys/src/9/pc/mtrr.c
index 7adb13a64..a2dd475b0 100644
--- a/sys/src/9/pc/mtrr.c
+++ b/sys/src/9/pc/mtrr.c
@@ -354,7 +354,7 @@ enum {
 static void
 putstate(State *s)
 {
-	ulong cr0, cr4;
+	uintptr cr0, cr4;
 	int i, x;
 
 	x = splhi();
-- 
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