Add syscall stub
diff --git a/src/kernel/syscall.h b/src/kernel/syscall.h
new file mode 100644
index 0000000..c926ff1
--- /dev/null
+++ b/src/kernel/syscall.h
@@ -0,0 +1,8 @@
+#pragma once
+
+#include "registers.h"
+
+#define SYSCALL_INT 0x80 // copy linux :)
+
+void do_syscall(struct registers *regs);
+void init_syscall();