From: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Date: Tue, 19 Mar 2013 16:34:47 +0000 (+0100)
Subject: microblaze: Ignore non-cpu accesses to unmapped areas
X-Git-Tag: Tizen_Studio_1.3_Release_p2.3.1~900^2~59^2~558
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=afed26082219b49443193b4ac32d113bbcf967fd;p=sdk%2Femulator%2Fqemu.git

microblaze: Ignore non-cpu accesses to unmapped areas

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
---

diff --git a/target-microblaze/op_helper.c b/target-microblaze/op_helper.c
index 1c62f3c68f..f2cb88b3ed 100644
--- a/target-microblaze/op_helper.c
+++ b/target-microblaze/op_helper.c
@@ -500,7 +500,7 @@ void cpu_unassigned_access(CPUMBState *env, hwaddr addr,
 {
     qemu_log_mask(CPU_LOG_INT, "Unassigned " TARGET_FMT_plx " wr=%d exe=%d\n",
              addr, is_write, is_exec);
-    if (!(env->sregs[SR_MSR] & MSR_EE)) {
+    if (!env || !(env->sregs[SR_MSR] & MSR_EE)) {
         return;
     }