diff --git a/include/sys/syscall_lookup.h b/include/sys/syscall_lookup.h
index 0f45083d9cda6..fa6aa71840b28 100644
--- a/include/sys/syscall_lookup.h
+++ b/include/sys/syscall_lookup.h
@@ -43,7 +43,10 @@ SYSCALL_LOOKUP(sched_setparam,             2)
 SYSCALL_LOOKUP(sched_setscheduler,         3)
 SYSCALL_LOOKUP(sched_unlock,               0)
 SYSCALL_LOOKUP(sched_yield,                0)
+
 SYSCALL_LOOKUP(nxsched_get_stackinfo,      2)
+SYSCALL_LOOKUP(nxsched_self,               0)
+SYSCALL_LOOKUP(nxsched_get_tcb,            1)
 
 #ifdef CONFIG_SCHED_BACKTRACE
   SYSCALL_LOOKUP(sched_backtrace,          4)
diff --git a/syscall/syscall.csv b/syscall/syscall.csv
index 2c4797fb098e8..f036f58e6c21a 100644
--- a/syscall/syscall.csv
+++ b/syscall/syscall.csv
@@ -84,6 +84,8 @@
 "nx_pthread_exit","nuttx/pthread.h","!defined(CONFIG_DISABLE_PTHREAD)","noreturn","pthread_addr_t"
 "nx_vsyslog","nuttx/syslog/syslog.h","","int","int","FAR const IPTR char *","FAR va_list *"
 "nxsched_get_stackinfo","nuttx/sched.h","","int","pid_t","FAR struct stackinfo_s *"
+"nxsched_self","nuttx/sched.h","","FAR struct tcb_s *"
+"nxsched_get_tcb","nuttx/sched.h","","FAR struct tcb_s *","pid_t"
 "nxsem_clockwait","nuttx/semaphore.h","","int","FAR sem_t *","clockid_t","FAR const struct timespec *"
 "nxsem_close","nuttx/semaphore.h","defined(CONFIG_FS_NAMED_SEMAPHORES)","int","FAR sem_t *"
 "nxsem_destroy","nuttx/semaphore.h","","int","FAR sem_t *"