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init.h
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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef _INIT_H
#define _INIT_H
#include <linux/compiler_types.h>
/*
* fake define to simplify the linux sync
*/
#define __init
#define __initdata
#define __initconst
#define __exit
#define __exitdata
/* For assembly routines */
#define __BARE_INIT .section ".text_bare_init.text","ax"
#ifndef __ASSEMBLY__
typedef int (*initcall_t)(void);
typedef void (*exitcall_t)(void);
/* section for code used very early when
* - we're not running from where we linked at
* - bss not cleared
* - static variables not initialized
*
* Mainly useful for booting from NAND Controllers
*/
#define __bare_init __section(.text_bare_init.text)
#endif
#ifndef MODULE
#ifndef __ASSEMBLY__
#define __define_initcall(fn,id) \
static initcall_t __initcall_##fn##id __ll_elem(.initcall.##id) = fn
#define __define_exitcall(fn,id) \
static exitcall_t __exitcall_##fn##id __ll_elem(.exitcall.##id) = fn
/*
* A "pure" initcall has no dependencies on anything else, and purely
* initializes variables that couldn't be statically initialized.
*
* This only exists for built-in code, not for modules.
*
* The only purpose for "of_populate" is to call of_probe() other functions are
* not allowed.
*/
#define pure_initcall(fn) __define_initcall(fn, 0)
#define core_initcall(fn) __define_initcall(fn, 1)
#define postcore_initcall(fn) __define_initcall(fn, 2)
#define console_initcall(fn) __define_initcall(fn, 3)
#define postconsole_initcall(fn) __define_initcall(fn, 4)
#define mem_initcall(fn) __define_initcall(fn, 5)
#define postmem_initcall(fn) __define_initcall(fn, 6)
#define mmu_initcall(fn) __define_initcall(fn, 7)
#define postmmu_initcall(fn) __define_initcall(fn, 8)
#define coredevice_initcall(fn) __define_initcall(fn, 9)
#define fs_initcall(fn) __define_initcall(fn, 10)
#define device_initcall(fn) __define_initcall(fn, 11)
#define crypto_initcall(fn) __define_initcall(fn, 12)
#define of_populate_initcall(fn) __define_initcall(fn, 13)
#define late_initcall(fn) __define_initcall(fn, 14)
#define environment_initcall(fn) __define_initcall(fn, 15)
#define postenvironment_initcall(fn) __define_initcall(fn, 16)
#define early_exitcall(fn) __define_exitcall(fn, 0)
#define predevshutdown_exitcall(fn) __define_exitcall(fn, 1)
#define devshutdown_exitcall(fn) __define_exitcall(fn, 2)
#define postdevshutdown_exitcall(fn) __define_exitcall(fn, 3)
#define prearchshutdown_exitcall(fn) __define_exitcall(fn, 4)
#define archshutdown_exitcall(fn) __define_exitcall(fn, 5)
#define postarchshutdown_exitcall(fn) __define_exitcall(fn, 6)
#endif /* __ASSEMBLY__ */
#endif /* MODULE */
#endif /* _INIT_H */