/* ----------------------------------------------------------------------------
 * Copyright (c) Huawei Technologies Co., Ltd. 2013-2019. All rights reserved.
 * Description: Hw HeadFile
 * Author: Huawei LiteOS Team
 * Create: 2013-01-01
 * 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,
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 * --------------------------------------------------------------------------- */

/**
 * @defgroup los_hw Hardware
 * @ingroup kernel
 */
#ifndef _LOS_HW_H
#define _LOS_HW_H

#include "arch/cpu.h"
#include "arch/cache.h"
#include "arch/barrier.h"

#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */

/**
 * @ingroup los_hw
 * @brief Get cpu core name.
 *
 * @par Description:
 * This API is used to get cpu core name.
 * @attention
 * None.
 *
 * @param None
 * @retval #CHAR *  cpu core name.
 *
 * @par Dependency:
 * los_hw.h: the header file that contains the API declaration.
 * @since Huawei LiteOS V200R003C00
 */
/*这段代码定义了一个静态内联函数 LOS_CpuInfo，该函数返回一个指向常量字符的指针。*/
STATIC INLINE const CHAR *LOS_CpuInfo(VOID)
{
    return ArchCpuInfo();//函数会根据当前的硬件平台调用对应的底层函数，以获取关于CPU的信息，例如型号、频率、核心数等等。这个函数的实现通常是与硬件平台紧密相关的，并且可能需要一些底层的寄存器读取或其他特定平台相关的操作。
}

#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */

#endif /* _LOS_HW_H */
