1 /* SPDX-License-Identifier: GPL-2.0 */
6 #define _GLOBAL_KASAN(fn) _GLOBAL(__##fn)
7 #define _GLOBAL_TOC_KASAN(fn) _GLOBAL_TOC(__##fn)
8 #define EXPORT_SYMBOL_KASAN(fn) EXPORT_SYMBOL(__##fn)
10 #define _GLOBAL_KASAN(fn) _GLOBAL(fn)
11 #define _GLOBAL_TOC_KASAN(fn) _GLOBAL_TOC(fn)
12 #define EXPORT_SYMBOL_KASAN(fn)
18 #include <linux/sizes.h>
20 #define KASAN_SHADOW_SCALE_SHIFT 3
23 #define KASAN_KERN_START ALIGN_DOWN(PAGE_OFFSET - SZ_256M, SZ_256M)
25 #define KASAN_KERN_START PAGE_OFFSET
28 #define KASAN_SHADOW_START (KASAN_SHADOW_OFFSET + \
29 (KASAN_KERN_START >> KASAN_SHADOW_SCALE_SHIFT))
31 #define KASAN_SHADOW_OFFSET ASM_CONST(CONFIG_KASAN_SHADOW_OFFSET)
33 #define KASAN_SHADOW_END (-(-KASAN_SHADOW_START >> KASAN_SHADOW_SCALE_SHIFT))
36 void kasan_early_init(void);
37 void kasan_mmu_init(void);
38 void kasan_init(void);
39 void kasan_late_init(void);
41 static inline void kasan_init(void) { }
42 static inline void kasan_mmu_init(void) { }
43 static inline void kasan_late_init(void) { }
46 void kasan_update_early_region(unsigned long k_start, unsigned long k_end, pte_t pte);
47 int kasan_init_shadow_page_tables(unsigned long k_start, unsigned long k_end);
48 int kasan_init_region(void *start, size_t size);
50 #endif /* __ASSEMBLY */