arch/riscv/include/asm/kasan.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright (C) 2019 Andes Technology Corporation */
   3
   4 #ifndef __ASM_KASAN_H
   5 #define __ASM_KASAN_H
   6
   7 #ifndef __ASSEMBLY__
   8
   9 #ifdef CONFIG_KASAN
  10
  11 #include <asm/pgtable.h>
  12
  13 #define KASAN_SHADOW_SCALE_SHIFT        3
  14
  15 #define KASAN_SHADOW_SIZE       (UL(1) << (38 - KASAN_SHADOW_SCALE_SHIFT))
  16 #define KASAN_SHADOW_START      0xffffffc000000000 /* 2^64 - 2^38 */
  17 #define KASAN_SHADOW_END        (KASAN_SHADOW_START + KASAN_SHADOW_SIZE)
  18
  19 #define KASAN_SHADOW_OFFSET     (KASAN_SHADOW_END - (1ULL << \
  20                                         (64 - KASAN_SHADOW_SCALE_SHIFT)))
  21
  22 void kasan_init(void);
  23 asmlinkage void kasan_early_init(void);
  24
  25 #endif
  26 #endif
  27 #endif /* __ASM_KASAN_H */