diff --git a/Ubiquitous/XiZi_AIoT/hardkernel/abstraction/cache.c b/Ubiquitous/XiZi_AIoT/hardkernel/abstraction/cache.c
index e69de29bb..5af33edcf 100755
--- a/Ubiquitous/XiZi_AIoT/hardkernel/abstraction/cache.c
+++ b/Ubiquitous/XiZi_AIoT/hardkernel/abstraction/cache.c
@@ -0,0 +1,16 @@
+
+
+void InvalidInsCache()
+{
+    PlatInvalidInsCache();
+}
+
+void InvalidDataCache(unsigned long start, unsigned long end)
+{
+    PlatInvalidDateCache(start, end);
+}
+
+void CleanDataCache(unsigned long start, unsigned long end)
+{
+    PlatCleanDateCache(start, end);
+}
\ No newline at end of file
diff --git a/Ubiquitous/XiZi_AIoT/hardkernel/abstraction/mmu.c.c b/Ubiquitous/XiZi_AIoT/hardkernel/abstraction/mmu.c
similarity index 100%
rename from Ubiquitous/XiZi_AIoT/hardkernel/abstraction/mmu.c.c
rename to Ubiquitous/XiZi_AIoT/hardkernel/abstraction/mmu.c
diff --git a/Ubiquitous/XiZi_AIoT/hardkernel/arch/arm/armv7-a/cortex-a7/cache.S b/Ubiquitous/XiZi_AIoT/hardkernel/arch/arm/armv7-a/cortex-a7/cache.S
new file mode 100644
index 000000000..e69de29bb
diff --git a/Ubiquitous/XiZi_AIoT/hardkernel/arch/arm/armv7-a/cortex-a7/exception.S b/Ubiquitous/XiZi_AIoT/hardkernel/arch/arm/armv7-a/cortex-a7/exception.S
new file mode 100644
index 000000000..e69de29bb
diff --git a/Ubiquitous/XiZi_AIoT/hardkernel/arch/arm/armv7-a/cortex-a9/cache.S b/Ubiquitous/XiZi_AIoT/hardkernel/arch/arm/armv7-a/cortex-a9/cache.S
new file mode 100644
index 000000000..e69de29bb