From bfe1d471cea47ef83aded2abf42575d8eb9ec9f1 Mon Sep 17 00:00:00 2001
From: Xiang Xiao <xiaoxiang@xiaomi.com>
Date: Sun, 9 Feb 2020 14:49:24 +0800
Subject: [PATCH] sim/arch: Fix up_head.c:122:11:implicit declaration of
 function 'up_cpu_index'

---
 arch/sim/src/sim/up_head.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/sim/src/sim/up_head.c b/arch/sim/src/sim/up_head.c
index 8667f41bc7..b2aa0c86c4 100644
--- a/arch/sim/src/sim/up_head.c
+++ b/arch/sim/src/sim/up_head.c
@@ -46,6 +46,7 @@
 #include <assert.h>
 
 #include <nuttx/init.h>
+#include <nuttx/arch.h>
 #include <nuttx/board.h>
 #include <nuttx/syslog/syslog_rpmsg.h>