diff --git a/arch/sim/src/sim/up_head.c b/arch/sim/src/sim/up_head.c
index 6868c9af681..1784be50ba1 100644
--- a/arch/sim/src/sim/up_head.c
+++ b/arch/sim/src/sim/up_head.c
@@ -37,6 +37,13 @@
 
 #include "up_internal.h"
 
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+int g_argc;
+char **g_argv;
+
 /****************************************************************************
  * Private Data
  ****************************************************************************/
@@ -62,6 +69,9 @@ static char g_logbuffer[4096];
 
 int main(int argc, char **argv, char **envp)
 {
+  g_argc = argc;
+  g_argv = argv;
+
 #ifdef CONFIG_SYSLOG_RPMSG
   syslog_rpmsg_init_early(g_logbuffer, sizeof(g_logbuffer));
 #endif
diff --git a/arch/sim/src/sim/up_internal.h b/arch/sim/src/sim/up_internal.h
index 5629b157591..66e67d6636a 100644
--- a/arch/sim/src/sim/up_internal.h
+++ b/arch/sim/src/sim/up_internal.h
@@ -120,6 +120,11 @@ extern volatile void *g_current_regs[1];
 
 #endif
 
+/* The command line  arguments passed to simulator */
+
+extern int g_argc;
+extern char **g_argv;
+
 /****************************************************************************
  * Public Function Prototypes
  ****************************************************************************/