Module Name: src
Committed By: mrg
Date: Sat Oct 22 21:00:40 UTC 2011
Modified Files:
src/sys/arch/sparc/sparc: pmap.c
Log Message:
add a comment to sp_tlb_flush() about fixing the asm() better.
To generate a diff of this commit:
cvs rdiff -u -r1.346 -r1.347 src/sys/arch/sparc/sparc/pmap.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/sparc/sparc/pmap.c
diff -u src/sys/arch/sparc/sparc/pmap.c:1.346 src/sys/arch/sparc/sparc/pmap.c:1.347
--- src/sys/arch/sparc/sparc/pmap.c:1.346 Thu Sep 1 08:47:56 2011
+++ src/sys/arch/sparc/sparc/pmap.c Sat Oct 22 21:00:40 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: pmap.c,v 1.346 2011/09/01 08:47:56 martin Exp $ */
+/* $NetBSD: pmap.c,v 1.347 2011/10/22 21:00:40 mrg Exp $ */
/*
* Copyright (c) 1996
@@ -56,7 +56,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.346 2011/09/01 08:47:56 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.347 2011/10/22 21:00:40 mrg Exp $");
#include "opt_ddb.h"
#include "opt_kgdb.h"
@@ -604,6 +604,11 @@ void (*pmap_rmu_p)(struct pmap *, vadd
static void
sp_tlb_flush(int va, int ctx, int lvl)
{
+ /*
+ * XXX convert %o3 (oldpsr), %o4 (SRMMU_CXR) and %o5 (old context)
+ * into generically named registers. right now we're assuming that
+ * gcc doesn't do anything funny with these registers.
+ */
/* Traps off */
__asm("rd %psr, %o3");
