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Linux kernel mirror (for testing)
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kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __ASM_KASAN_H
3#define __ASM_KASAN_H
4
5#include <asm/pgtable.h>
6
7#ifdef CONFIG_KASAN
8
9#define KASAN_SHADOW_SCALE_SHIFT 3
10#ifdef CONFIG_KASAN_S390_4_LEVEL_PAGING
11#define KASAN_SHADOW_SIZE \
12 (_AC(1, UL) << (_REGION1_SHIFT - KASAN_SHADOW_SCALE_SHIFT))
13#else
14#define KASAN_SHADOW_SIZE \
15 (_AC(1, UL) << (_REGION2_SHIFT - KASAN_SHADOW_SCALE_SHIFT))
16#endif
17#define KASAN_SHADOW_OFFSET _AC(CONFIG_KASAN_SHADOW_OFFSET, UL)
18#define KASAN_SHADOW_START KASAN_SHADOW_OFFSET
19#define KASAN_SHADOW_END (KASAN_SHADOW_START + KASAN_SHADOW_SIZE)
20
21extern void kasan_early_init(void);
22extern void kasan_copy_shadow(pgd_t *dst);
23extern void kasan_free_early_identity(void);
24#else
25static inline void kasan_early_init(void) { }
26static inline void kasan_copy_shadow(pgd_t *dst) { }
27static inline void kasan_free_early_identity(void) { }
28#endif
29
30#endif