From e60a36f564de0e23bcd68b8ec750e9e1f7cff1a3 Mon Sep 17 00:00:00 2001
From: Peter Grehan <grehan@FreeBSD.org>
Date: Tue, 27 Jul 2004 07:06:20 +0000
Subject: [PATCH] Properly implement kdb_cpu_{set|clear}_singlestep to allow
 DDB to continue from breakpoints.

---
 sys/powerpc/include/kdb.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sys/powerpc/include/kdb.h b/sys/powerpc/include/kdb.h
index e573f70cbd7..7193641096e 100644
--- a/sys/powerpc/include/kdb.h
+++ b/sys/powerpc/include/kdb.h
@@ -30,15 +30,19 @@
 #define _MACHINE_KDB_H_
 
 #include <machine/cpufunc.h>
+#include <machine/frame.h>
+#include <machine/psl.h>
 
 static __inline void
 kdb_cpu_clear_singlestep(void)
 {
+	kdb_frame->srr1 &= ~PSL_SE;
 }
 
 static __inline void
 kdb_cpu_set_singlestep(void)
 {
+	kdb_frame->srr1 |= PSL_SE;
 }
 
 static __inline void