[src/trunk]: src/sys/arch/x86/x86 Fix bug with swapped event type and registe...

[kamil <kamil%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/0de65a7871d3
branches:  trunk
changeset: 820989:0de65a7871d3
user:      kamil <kamil%NetBSD.org@localhost>
date:      Wed Jan 18 12:15:21 2017 +0000

description:
Fix bug with swapped event type and register that fired in hw watchpoints

Swap bits for DR_EVENT_MASK and DR_REGISTER_MASK.

Sponsored by <The NetBSD Foundation>

diffstat:

 sys/arch/x86/x86/dbregs.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (20 lines):

diff -r cce7edc086b6 -r 0de65a7871d3 sys/arch/x86/x86/dbregs.c
--- a/sys/arch/x86/x86/dbregs.c Wed Jan 18 10:22:09 2017 +0000
+++ b/sys/arch/x86/x86/dbregs.c Wed Jan 18 12:15:21 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: dbregs.c,v 1.3 2017/01/18 05:48:16 kamil Exp $ */
+/*     $NetBSD: dbregs.c,v 1.4 2017/01/18 12:15:21 kamil Exp $ */
 
 /*-
  * Copyright (c) 2016 The NetBSD Foundation, Inc.
@@ -144,8 +144,8 @@
 }
 
 /* Local temporary bitfield concept to compose event and register that fired */
-#define DR_EVENT_MASK          __BITS(15,8)
-#define DR_REGISTER_MASK       __BITS(7,0)
+#define DR_EVENT_MASK          __BITS(7,0)
+#define DR_REGISTER_MASK       __BITS(15,8)
 
 int
 user_trap_x86_hw_watchpoint(void)