boards/sim/sim/sim/src/sim_bringup.c: Auto mount binfs to /bin if CONFIG_FS_BINFS.

boards/sim/sim/sim/README.txt

@@ -634,16 +634,8 @@ nsh
      can be made visible in the file system.  Because of that, the
      build in applications do not work as other examples.
 
-     For example trying to execute the hello builtin application will
-     fail:
+     The binfs filesystem will be mounted at /bin when the system starts up.
 
-       nsh> hello
-       nsh: hello: command not found
-       nsh>
-
-     Unless you first mount the BINFS file system:
-
-       nsh> mount -t binfs /bin
        nsh> ls /bin
        /bin:
          hello
@@ -1216,7 +1208,9 @@ ustream
 
   To use the test:
 
-    nsh> mount -t binfs /bin
     nsh> server &
     nsh> client
 
+  Note that the binfs file system is mounted at /bin when the system
+  starts up.
+

boards/sim/sim/sim/src/sim_bringup.c

@@ -103,6 +103,16 @@ int sim_bringup(void)
 #endif
   int ret;
 
+#ifdef CONFIG_FS_BINFS
+  /* Mount the binfs file system */
+
+  ret = mount(NULL, "/bin", "binfs", 0, NULL);
+  if (ret < 0)
+    {
+      syslog(LOG_ERR, "ERROR: Failed to mount binfs at /bin: %d\n", ret);
+    }
+#endif
+
 #ifdef CONFIG_FS_PROCFS
   /* Mount the procfs file system */