xref: /OK3568_Linux_fs/kernel/arch/riscv/include/asm/kasan.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /* Copyright (C) 2019 Andes Technology Corporation */
3*4882a593Smuzhiyun 
4*4882a593Smuzhiyun #ifndef __ASM_KASAN_H
5*4882a593Smuzhiyun #define __ASM_KASAN_H
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #ifndef __ASSEMBLY__
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #ifdef CONFIG_KASAN
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #define KASAN_SHADOW_SCALE_SHIFT	3
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #define KASAN_SHADOW_SIZE	(UL(1) << (38 - KASAN_SHADOW_SCALE_SHIFT))
14*4882a593Smuzhiyun #define KASAN_SHADOW_START	KERN_VIRT_START /* 2^64 - 2^38 */
15*4882a593Smuzhiyun #define KASAN_SHADOW_END	(KASAN_SHADOW_START + KASAN_SHADOW_SIZE)
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #define KASAN_SHADOW_OFFSET	_AC(CONFIG_KASAN_SHADOW_OFFSET, UL)
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun void kasan_init(void);
20*4882a593Smuzhiyun asmlinkage void kasan_early_init(void);
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #endif
23*4882a593Smuzhiyun #endif
24*4882a593Smuzhiyun #endif /* __ASM_KASAN_H */
25