start moving algorithm in

run

@@ -234,6 +234,14 @@ Setup a kernel init parameter that makes the emulator quit immediately after boo
             default=True,
             help='''Show emulator stdout and stderr on the host terminal.'''
         )
+        self.add_argument(
+            '--stdin-file',
+            help='''\
+Set the given file as the stdin source of the emulator. QEMU and gem5 then
+forward this to the guest in user mode simulation.
+https://cirosantilli.com/linux-kernel-module-cheat#syscall-emulation-mode-program-stdin
+'''
+        )
         self.add_argument(
             '--terminal',
             default=False,
@@ -805,6 +813,7 @@ Extra options to append at the end of the emulator command line.
             out_file=out_file,
             raise_on_failure=False,
             show_stdout=show_stdout,
+            stdin_path=self.env['stdin_file'],
         )
         if self.env['debug_vm_rr']:
             exit_status = self.sh.run_cmd(