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/* kernel version support */ /* * Copyright (c) 2015 Wind River Systems, Inc. * * SPDX-License-Identifier: Apache-2.0 */ #ifndef ZEPHYR_INCLUDE_KERNEL_VERSION_H_ #define ZEPHYR_INCLUDE_KERNEL_VERSION_H_ #ifdef __cplusplus extern "C" { #endif /** * @defgroup version_apis Version APIs * @ingroup kernel_apis * @{ * * The kernel version has been converted from a string to a four-byte * quantity that is divided into two parts. * * Part 1: The three most significant bytes represent the kernel's * numeric version, x.y.z. These fields denote: * x -- major release * y -- minor release * z -- patchlevel release * Each of these elements must therefore be in the range 0 to 255, inclusive. * * Part 2: The least significant byte is reserved for future use. */ #define SYS_KERNEL_VER_MAJOR(ver) (((ver) >> 24) & 0xFF) #define SYS_KERNEL_VER_MINOR(ver) (((ver) >> 16) & 0xFF) #define SYS_KERNEL_VER_PATCHLEVEL(ver) (((ver) >> 8) & 0xFF) /* kernel version routines */ /** * @brief Return the kernel version of the present build * * The kernel version is a four-byte value, whose format is described in the * file "kernel_version.h". * * @return kernel version */ extern uint32_t sys_kernel_version_get(void); /** * @} */ #ifdef __cplusplus } #endif #endif /* ZEPHYR_INCLUDE_KERNEL_VERSION_H_ */ |