/* ---------------------------------------------------------------------------- * 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, * 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 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 */