main-loop: create main-loop.c

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/cpus.h b/cpus.h
index 4ccf986..7422584 100644
--- a/cpus.h
+++ b/cpus.h
@@ -2,6 +2,7 @@
 #define QEMU_CPUS_H
 
 /* cpus.c */
+void qemu_init_cpu_loop(void);
 void qemu_main_loop_start(void);
 void resume_all_vcpus(void);
 void pause_all_vcpus(void);