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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 | /* * Copyright (c) 2015 Intel Corporation. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #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. * * PRIMARY, SECONDARY, NANOKERNEL, MICROKERNEL levels are currently deprecated * and will be removed in the future. */ #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 /* Deprecated, remove eventually */ #define _SYS_INIT_LEVEL_PRIMARY 4 #define _SYS_INIT_LEVEL_SECONDARY 5 #define _SYS_INIT_LEVEL_NANOKERNEL 6 #define _SYS_INIT_LEVEL_MICROKERNEL 7 /* 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_INIT_PM * * @warning This macro is deprecated and will be removed in * a future version, superseded by SYS_DEVICE_DEFINE. * * @brief Run an initialization function at boot at specified priority, * and define functions to run at suspend/resume. * * @copydetails SYS_INIT * @param device_pm_ops Pointer to power management functions. * @param drv_name Name of this system device */ #ifdef CONFIG_DEVICE_POWER_MANAGEMENT #define SYS_INIT_PM(drv_name, init_fn, device_pm_ops, level, prio) \ DEVICE_INIT_PM(_SYS_NAME(init_fn), drv_name, init_fn, device_pm_ops, \ NULL, NULL, level, prio) #else #define SYS_INIT_PM(drv_name, init_fn, device_pm_ops, level, prio) \ DEVICE_INIT(_SYS_NAME(init_fn), "", init_fn, NULL, NULL, level, prio) #endif /** * @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_ */ |