diff --git a/src/Kconfig b/src/Kconfig
index a987daab463a7013ede70fe778e81b9e2d46b6ff..71abd9cf4f5bc8992433faf772c10ae545213405 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -131,6 +131,10 @@ config RT_KSERVICE_USING_TINY_SIZE
     bool "Enable kservice to use tiny size"
     default n
 
+config RT_USING_ASM_MEMCPY
+    bool
+    default n
+
 endmenu
 
 menuconfig RT_DEBUG
diff --git a/src/kservice.c b/src/kservice.c
index 128a9f4f541bfe7f7b27a14715d21dd6e6be207b..91872492fbc58fce41ba31bb24b678e2f74892fe 100644
--- a/src/kservice.c
+++ b/src/kservice.c
@@ -198,6 +198,7 @@ RT_WEAK void *rt_memset(void *s, int c, rt_ubase_t count)
 }
 RTM_EXPORT(rt_memset);
 
+#ifndef RT_USING_ASM_MEMCPY
 /**
  * This function will copy memory content from source address to destination
  * address.
@@ -208,7 +209,7 @@ RTM_EXPORT(rt_memset);
  *
  * @return the address of destination memory
  */
-RT_WEAK void *rt_memcpy(void *dst, const void *src, rt_ubase_t count)
+void *rt_memcpy(void *dst, const void *src, rt_ubase_t count)
 {
 #ifdef RT_KSERVICE_USING_TINY_SIZE
     char *tmp = (char *)dst, *s = (char *)src;
@@ -280,6 +281,7 @@ RT_WEAK void *rt_memcpy(void *dst, const void *src, rt_ubase_t count)
 #endif /* RT_KSERVICE_USING_TINY_SIZE */
 }
 RTM_EXPORT(rt_memcpy);
+#endif /* RT_USING_ASM_MEMCPY */
 
 #ifndef RT_KSERVICE_USING_STDLIB