diff options
Diffstat (limited to 'arch/riscv/include/asm/kasan.h')
| -rw-r--r-- | arch/riscv/include/asm/kasan.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/kasan.h b/arch/riscv/include/asm/kasan.h new file mode 100644 index 000000000000..eee6e6588b12 --- /dev/null +++ b/arch/riscv/include/asm/kasan.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (C) 2019 Andes Technology Corporation */ + +#ifndef __ASM_KASAN_H +#define __ASM_KASAN_H + +#ifndef __ASSEMBLY__ + +#ifdef CONFIG_KASAN + +#include <asm/pgtable.h> + +#define KASAN_SHADOW_SCALE_SHIFT 3 + +#define KASAN_SHADOW_SIZE (UL(1) << (38 - KASAN_SHADOW_SCALE_SHIFT)) +#define KASAN_SHADOW_START 0xffffffc000000000 /* 2^64 - 2^38 */ +#define KASAN_SHADOW_END (KASAN_SHADOW_START + KASAN_SHADOW_SIZE) + +#define KASAN_SHADOW_OFFSET (KASAN_SHADOW_END - (1ULL << \ + (64 - KASAN_SHADOW_SCALE_SHIFT))) + +void kasan_init(void); +asmlinkage void kasan_early_init(void); + +#endif +#endif +#endif /* __ASM_KASAN_H */ |