From 03905157ad3d7f7a99750aeda7c38496be0f57b6 Mon Sep 17 00:00:00 2001
From: Liu_Weichao <iacu2016@163.com>
Date: Mon, 28 Mar 2022 15:27:52 +0800
Subject: [PATCH] fix XiZi/cortex-m4-emulator compile error

---
 Ubiquitous/XiZi/arch/arm/Makefile | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Ubiquitous/XiZi/arch/arm/Makefile b/Ubiquitous/XiZi/arch/arm/Makefile
index c1a6ed745..4deddfcac 100644
--- a/Ubiquitous/XiZi/arch/arm/Makefile
+++ b/Ubiquitous/XiZi/arch/arm/Makefile
@@ -7,7 +7,7 @@ endif
 
 ifeq ($(CONFIG_BOARD_STM32F103_NANO),y)
 SRC_DIR := shared
-SRC_DIR +=cortex-m3
+SRC_DIR += cortex-m3
 endif
 
 ifeq ($(CONFIG_BOARD_STM32F407_EVB),y)
@@ -15,6 +15,11 @@ SRC_DIR := shared
 SRC_DIR += cortex-m4
 endif
 
+ifeq ($(CONFIG_BOARD_CORTEX_M4_EVB),y)
+SRC_DIR := shared
+SRC_DIR += cortex-m4
+endif
+
 ifeq ($(CONFIG_BOARD_CORTEX_M7_EVB),y)
 SRC_DIR := shared
 SRC_DIR += cortex-m7