monitor: Fix crashes when using HMP commands without CPU

[mirror_qemu.git] / target / sparc / monitor.c

diff --git a/target/sparc/monitor.c b/target/sparc/monitor.c
index 7cc1b0f87fcfa20309a673a6ecfb54b587f87cae..f3ca524ae910c4f73575e15a1d4ab385aa0d7fb1 100644 (file)
--- a/target/sparc/monitor.c
+++ b/target/sparc/monitor.c
@@ -32,6 +32,10 @@ void hmp_info_tlb(Monitor *mon, const QDict *qdict)
 {
     CPUArchState *env1 = mon_get_cpu_env();
 
+    if (!env1) {
+        monitor_printf(mon, "No CPU available\n");
+        return;
+    }
     dump_mmu((FILE*)mon, (fprintf_function)monitor_printf, env1);
 }