From 0fda7b2b10ba05437d8f5a0ed7be21f3d1428a69 Mon Sep 17 00:00:00 2001
From: Doug Rabson <dfr@FreeBSD.org>
Date: Thu, 20 Sep 2001 16:30:48 +0000
Subject: [PATCH] Don't clear the single-step bit after a trap - leave it up to
 the debugger. The code was broken anyway - it clear every bit *except* the
 single-step bit (oops).

---
 sys/ia64/ia64/trap.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/sys/ia64/ia64/trap.c b/sys/ia64/ia64/trap.c
index 6018124b69b..b0d788ea24b 100644
--- a/sys/ia64/ia64/trap.c
+++ b/sys/ia64/ia64/trap.c
@@ -393,12 +393,6 @@ trap(int vector, int imm, struct trapframe *framep)
 		break;
 
 	case IA64_VEC_SINGLE_STEP_TRAP:
-		/*
-		 * Clear single-step bit.
-		 */
-		framep->tf_cr_ipsr &= IA64_PSR_SS;
-		/* FALLTHROUTH */
-
 	case IA64_VEC_DEBUG:
 	case IA64_VEC_TAKEN_BRANCH_TRAP:
 	case IA64_VEC_BREAK: