原始版本

RT_Thread/libcpu/risc-v/virt64/cache.c

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2021-01-29     lizhirui     first version
+ */
+
+#include <rthw.h>
+#include <rtdef.h>
+#include <board.h>
+#include <riscv.h>
+#include <cache.h>
+
+rt_inline rt_uint32_t rt_cpu_icache_line_size()
+{
+    return 0;
+}
+
+rt_inline rt_uint32_t rt_cpu_dcache_line_size()
+{
+    return 0;
+}
+
+void rt_hw_cpu_icache_ops(int ops, void *addr, int size)
+{
+    if (ops == RT_HW_CACHE_INVALIDATE)
+    {
+        rt_hw_cpu_icache_invalidate(addr, size);
+    }
+}
+
+void rt_hw_cpu_dcache_ops(int ops, void *addr, int size)
+{
+    if (ops == RT_HW_CACHE_FLUSH)
+    {
+        rt_hw_cpu_dcache_clean(addr, size);
+    }
+    else
+    {
+        rt_hw_cpu_dcache_invalidate(addr, size);
+    }
+}
+
+rt_base_t rt_hw_cpu_icache_status_local()
+{
+    return 0;
+}
+
+rt_base_t rt_hw_cpu_dcache_status()
+{
+    return 0;
+}
+
+void rt_hw_sync_cache_local(void *addr, int size)
+{
+}