Adjust directory structure

2021-06-03 17:38:11 +08:00
parent 92301257f3
commit 89a2236b18
1993 changed files with 40 additions and 0 deletions
@@ -0,0 +1,60 @@
+/* Copyright 2018 Canaan Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+* @file io.h
+* @brief add from Canaan k210 SDK
+*                https://canaan-creative.com/developer
+* @version 1.0 
+* @author AIIT XUOS Lab
+* @date 2021-04-25
+*/
+
+#ifndef __IO_H__
+#define __IO_H__
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define readb(addr) (*(volatile uint8_t *)(addr))
+#define readw(addr) (*(volatile uint16_t *)(addr))
+#define readl(addr) (*(volatile uint32_t *)(addr))
+#define readq(addr) (*(volatile uint64_t *)(addr))
+
+#define writeb(v, addr)                                                        \
+    {                                                                      \
+        (*(volatile uint8_t *)(addr)) = (v);                           \
+    }
+#define writew(v, addr)                                                        \
+    {                                                                      \
+        (*(volatile uint16_t *)(addr)) = (v);                          \
+    }
+#define writel(v, addr)                                                        \
+    {                                                                      \
+        (*(volatile uint32_t *)(addr)) = (v);                          \
+    }
+#define writeq(v, addr)                                                        \
+    {                                                                      \
+        (*(volatile uint64_t *)(addr)) = (v);                          \
+    }
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __IO_H__ */