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/* * Copyright (c) 2015 Intel Corporation. * * SPDX-License-Identifier: Apache-2.0 */ #ifndef _INIT_H_ #define _INIT_H_ #include <device.h> #include <toolchain.h> #ifdef __cplusplus extern "C" { #endif /* * System initialization levels. The PRE_KERNEL_1 and PRE_KERNEL_2 levels are * executed in the kernel's initialization context, which uses the interrupt * stack. The remaining levels are executed in the kernel's main task. */ #define _SYS_INIT_LEVEL_PRE_KERNEL_1 0 #define _SYS_INIT_LEVEL_PRE_KERNEL_2 1 #define _SYS_INIT_LEVEL_POST_KERNEL 2 #define _SYS_INIT_LEVEL_APPLICATION 3 /* Counter use to avoid issues if two or more system devices are declared * in the same C file with the same init function */ #define _SYS_NAME(init_fn) _CONCAT(_CONCAT(sys_init_, init_fn), __COUNTER__) /** * @def SYS_INIT * * @brief Run an initialization function at boot at specified priority * * @details This macro lets you run a function at system boot. * * @param init_fn Pointer to the boot function to run * * @param level The initialization level, See DEVICE_INIT for details. * * @param prio Priority within the selected initialization level. See * DEVICE_INIT for details. */ #define SYS_INIT(init_fn, level, prio) \ DEVICE_INIT(_SYS_NAME(init_fn), "", init_fn, NULL, NULL, level, prio) /** * @def SYS_DEVICE_DEFINE * * @brief Run an initialization function at boot at specified priority, * and define device PM control function. * * @copydetails SYS_INIT * @param pm_control_fn Pointer to device_pm_control function. * Can be empty function (device_pm_control_nop) if not implemented. * @param drv_name Name of this system device */ #define SYS_DEVICE_DEFINE(drv_name, init_fn, pm_control_fn, level, prio) \ DEVICE_DEFINE(_SYS_NAME(init_fn), drv_name, init_fn, pm_control_fn, \ NULL, NULL, level, prio, NULL) #ifdef __cplusplus } #endif #endif /* _INIT_H_ */ |