+static int sandbox_cmdline_cb_default_fdt(struct sandbox_state *state,
+ const char *arg)
+{
+ const char *fmt = "%s.dtb";
+ char *fname;
+ int len;
+
+ len = strlen(state->argv[0]) + strlen(fmt) + 1;
+ fname = os_malloc(len);
+ if (!fname)
+ return -ENOMEM;
+ snprintf(fname, len, fmt, state->argv[0]);
+ state->fdt_fname = fname;
+
+ return 0;
+}
+SANDBOX_CMDLINE_OPT_SHORT(default_fdt, 'D', 0,
+ "Use the default u-boot.dtb control FDT in U-Boot directory");
+