diff --git a/sdk/bsp/include/sim_ctrl.h b/sdk/bsp/include/sim_ctrl.h
index 657dba1..c796afc 100644
--- a/sdk/bsp/include/sim_ctrl.h
+++ b/sdk/bsp/include/sim_ctrl.h
@@ -3,8 +3,10 @@
 
 #define SIM_END_REG     0xE0000000
 #define SIM_STDOUT_REG  0xE0000004
+#define SIM_DUMP_REG    0xE0000008
 
 void sim_ctrl_init();
 void sim_end();
+void sim_dump_enable(uint8_t en);
 
 #endif
diff --git a/sdk/bsp/lib/sim_ctrl.c b/sdk/bsp/lib/sim_ctrl.c
index e1ca878..adc4b9d 100644
--- a/sdk/bsp/lib/sim_ctrl.c
+++ b/sdk/bsp/lib/sim_ctrl.c
@@ -17,3 +17,11 @@ void sim_end()
 {
     *(volatile int *)SIM_END_REG = 1;
 }
+
+void sim_dump_enable(uint8_t en)
+{
+    if (en)
+        *(volatile int *)SIM_DUMP_REG = 1;
+    else
+        *(volatile int *)SIM_DUMP_REG = 0;
+}