Description: liteos-m refactoring

Reviewed-by: wangmihu, zhushengle

utils/los_reg.h

@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * @defgroup kernel Kernel
+ * @defgroup los_reg Basic definitions
+ * @ingroup kernel
+ */
+
+#ifndef _LOS_REG_H
+#define _LOS_REG_H
+
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+/**
+ * @ingroup los_base
+ * Read a UINT8 value from addr and stroed in value.
+ */
+#define READ_UINT8(value, addr)      ((value) = *((volatile UINT8 *)(addr)))
+/**
+ * @ingroup los_base
+ * Read a UINT16 value from addr and stroed in addr.
+ */
+#define READ_UINT16(value, addr)     ((value) = *((volatile UINT16 *)(addr)))
+/**
+ * @ingroup los_base
+ * Read a UINT32 value from addr and stroed in value.
+ */
+#define READ_UINT32(value, addr)     ((value) = *((volatile UINT32 *)(addr)))
+/**
+ * @ingroup los_base
+ * Read a UINT64 value from addr and stroed in value.
+ */
+#define READ_UINT64(value, addr)     ((value) = *((volatile UINT64 *)(addr)))
+
+/**
+ * @ingroup los_base
+ * Get a UINT8 value from addr.
+ */
+#define GET_UINT8(addr)                (*((volatile UINT8 *)(addr)))
+/**
+ * @ingroup los_base
+ * Get a UINT16 value from addr.
+ */
+#define GET_UINT16(addr)               (*((volatile UINT16 *)(addr)))
+/**
+ * @ingroup los_base
+ * Get a UINT32 value from addr.
+ */
+#define GET_UINT32(addr)               (*((volatile UINT32 *)(addr)))
+/**
+ * @ingroup los_base
+ * Get a UINT64 value from addr.
+ */
+#define GET_UINT64(addr)               (*((volatile UINT64 *)(addr)))
+
+/**
+ * @ingroup los_base
+ * Write a UINT8 value to addr.
+ */
+#define WRITE_UINT8(value, addr)     (*((volatile UINT8 *)(addr)) = (value))
+/**
+ * @ingroup los_base
+ * Write a UINT16 value to addr.
+ */
+#define WRITE_UINT16(value, addr)    (*((volatile UINT16 *)(addr)) = (value))
+/**
+ * @ingroup los_base
+ * Write a UINT32 value to addr.
+ */
+#define WRITE_UINT32(value, addr)    (*((volatile UINT32 *)(addr)) = (value))
+/**
+ * @ingroup los_base
+ * Write a UINT64 addr to addr.
+ */
+#define WRITE_UINT64(value, addr) (*((volatile UINT64 *)(addr)) = (value))
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif /* _LOS_REG_H */