init.h

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/*
 * Copyright (c) 2015 Intel Corporation.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_INIT_H_
#define ZEPHYR_INCLUDE_INIT_H_
 
#include <stdint.h>
#include <stddef.h>
 
#include <zephyr/toolchain.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct device;
 
struct init_entry {
        int (*init)(const struct device *dev);
        const struct device *dev;
};
 
#define Z_INIT_ENTRY_NAME(init_id) _CONCAT(__init_, init_id)
 
#define Z_INIT_ENTRY_SECTION(level, prio)                                      \
        __attribute__((__section__(".z_init_" #level STRINGIFY(prio)"_")))
 
#define Z_INIT_ENTRY_DEFINE(init_id, init_fn, device, level, prio)             \
        static const Z_DECL_ALIGN(struct init_entry)                           \
                Z_INIT_ENTRY_SECTION(level, prio) __used __noasan              \
                Z_INIT_ENTRY_NAME(init_id) = {                                 \
                        .init = (init_fn),                                     \
                        .dev = (device),                                       \
        }
 
#define SYS_INIT(init_fn, level, prio)                                         \
        SYS_INIT_NAMED(init_fn, init_fn, level, prio)
 
#define SYS_INIT_NAMED(name, init_fn, level, prio)                             \
        Z_INIT_ENTRY_DEFINE(name, init_fn, NULL, level, prio)
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_INIT_H_ */