1 files changed, 9 insertions, 0 deletions
diff --git a/target/ppc/monitor.c b/target/ppc/monitor.c
index 0b805ef6e9..8250b1304e 100644
--- a/target/ppc/monitor.c
+++ b/target/ppc/monitor.c
@@ -55,6 +55,9 @@ static target_long monitor_get_decr(Monitor *mon, const struct MonitorDef *md,
                                     int val)
 {
     CPUArchState *env = mon_get_cpu_env(mon);
+    if (!env->tb_env) {
+        return 0;
+    }
     return cpu_ppc_load_decr(env);
 }
 
@@ -62,6 +65,9 @@ static target_long monitor_get_tbu(Monitor *mon, const struct MonitorDef *md,
                                    int val)
 {
     CPUArchState *env = mon_get_cpu_env(mon);
+    if (!env->tb_env) {
+        return 0;
+    }
     return cpu_ppc_load_tbu(env);
 }
 
@@ -69,6 +75,9 @@ static target_long monitor_get_tbl(Monitor *mon, const struct MonitorDef *md,
                                    int val)
 {
     CPUArchState *env = mon_get_cpu_env(mon);
+    if (!env->tb_env) {
+        return 0;
+    }
     return cpu_ppc_load_tbl(env);
 }