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/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/include/asm/kasan.h
*
* Copyright (c) 2015 Samsung Electronics Co., Ltd.
* Author: Andrey Ryabinin <ryabinin.a.a@gmail.com>
*
*/
#ifndef __ASM_KASAN_H
#define __ASM_KASAN_H
#ifdef CONFIG_KASAN
#include <asm/kasan_def.h>
#define KASAN_SHADOW_SCALE_SHIFT 3
/*
* The compiler uses a shadow offset assuming that addresses start
* from 0. Kernel addresses don't start from 0, so shadow
* for kernel really starts from 'compiler's shadow offset' +
* ('kernel address space start' >> KASAN_SHADOW_SCALE_SHIFT)
*/
asmlinkage void kasan_early_init(void);
extern void kasan_init(void);
#else
static inline void kasan_init(void) { }
#endif
#endif
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