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[src/trunk]: src/sys/arch/x68k/x68k Fix leftover comment derived from hp300 b...
details: https://anonhg.NetBSD.org/src/rev/8787c6a7ecc4
branches: trunk
changeset: 779328:8787c6a7ecc4
user: tsutsui <tsutsui%NetBSD.org@localhost>
date: Sat May 19 08:29:32 2012 +0000
description:
Fix leftover comment derived from hp300 but not applicable to x68k.
diffstat:
sys/arch/x68k/x68k/locore.s | 10 ++--------
1 files changed, 2 insertions(+), 8 deletions(-)
diffs (24 lines):
diff -r 8f75fd800913 -r 8787c6a7ecc4 sys/arch/x68k/x68k/locore.s
--- a/sys/arch/x68k/x68k/locore.s Sat May 19 07:30:37 2012 +0000
+++ b/sys/arch/x68k/x68k/locore.s Sat May 19 08:29:32 2012 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: locore.s,v 1.109 2012/04/29 07:17:12 tsutsui Exp $ */
+/* $NetBSD: locore.s,v 1.110 2012/05/19 08:29:32 tsutsui Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@@ -789,13 +789,7 @@
/*
* Prepare to enable MMU.
- * Since the kernel is not mapped logical == physical we must insure
- * that when the MMU is turned on, all prefetched addresses (including
- * the PC) are valid. In order guarantee that, we use the last physical
- * page (which is conveniently mapped == VA) and load it up with enough
- * code to defeat the prefetch, then we execute the jump back to here.
- *
- * Is this all really necessary, or am I paranoid??
+ * Since the kernel is mapped logical == physical, we just turn it on.
*/
RELOC(Sysseg_pa, %a0) | system segment table addr
movl %a0@,%d1 | read value (a PA)
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