/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_KASAN_H #define __ASM_KASAN_H #ifndef __ASSEMBLY__ #ifdef CONFIG_KASAN #include <linux/kernel.h> #include <linux/sizes.h> #include <asm/kmem_layout.h> #define KASAN_SHADOW_SCALE_SHIFT 3 /* Start of area covered by KASAN */ #define KASAN_START_VADDR __XTENSA_UL_CONST(0x90000000) /* Start of the shadow map */ #define KASAN_SHADOW_START (XCHAL_PAGE_TABLE_VADDR + XCHAL_PAGE_TABLE_SIZE) /* Size of the shadow map */ #define KASAN_SHADOW_SIZE (-KASAN_START_VADDR >> KASAN_SHADOW_SCALE_SHIFT) /* Offset for mem to shadow address transformation */ #define KASAN_SHADOW_OFFSET __XTENSA_UL_CONST(CONFIG_KASAN_SHADOW_OFFSET) void __init kasan_early_init(void); void __init kasan_init(void); #else static inline void kasan_early_init(void) { } static inline void kasan_init(void) { } #endif #endif #endif