LXR linux/arch/xtensa/include/asm/kasan.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __ASM_KASAN_H
   3#define __ASM_KASAN_H
   4
   5#ifndef __ASSEMBLY__
   6
   7#ifdef CONFIG_KASAN
   8
   9#include <linux/kernel.h>
  10#include <linux/sizes.h>
  11#include <asm/kmem_layout.h>
  12
  13#define KASAN_SHADOW_SCALE_SHIFT 3
  14
  15/* Start of area covered by KASAN */
  16#define KASAN_START_VADDR __XTENSA_UL_CONST(0x90000000)
  17/* Start of the shadow map */
  18#define KASAN_SHADOW_START (XCHAL_PAGE_TABLE_VADDR + XCHAL_PAGE_TABLE_SIZE)
  19/* Size of the shadow map */
  20#define KASAN_SHADOW_SIZE (-KASAN_START_VADDR >> KASAN_SHADOW_SCALE_SHIFT)
  21/* Offset for mem to shadow address transformation */
  22#define KASAN_SHADOW_OFFSET __XTENSA_UL_CONST(CONFIG_KASAN_SHADOW_OFFSET)
  23
  24void __init kasan_early_init(void);
  25void __init kasan_init(void);
  26
  27#else
  28
  29static inline void kasan_early_init(void)
  30{
  31}
  32
  33static inline void kasan_init(void)
  34{
  35}
  36
  37#endif
  38#endif
  39#endif
  40