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Diffstat (limited to 'arch/powerpc/include/asm/kasan.h')
-rw-r--r-- | arch/powerpc/include/asm/kasan.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/kasan.h b/arch/powerpc/include/asm/kasan.h new file mode 100644 index 000000000000..296e51c2f066 --- /dev/null +++ b/arch/powerpc/include/asm/kasan.h @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_KASAN_H +#define __ASM_KASAN_H + +#ifdef CONFIG_KASAN +#define _GLOBAL_KASAN(fn) _GLOBAL(__##fn) +#define _GLOBAL_TOC_KASAN(fn) _GLOBAL_TOC(__##fn) +#define EXPORT_SYMBOL_KASAN(fn) EXPORT_SYMBOL(__##fn) +#else +#define _GLOBAL_KASAN(fn) _GLOBAL(fn) +#define _GLOBAL_TOC_KASAN(fn) _GLOBAL_TOC(fn) +#define EXPORT_SYMBOL_KASAN(fn) +#endif + +#ifndef __ASSEMBLY__ + +#include <asm/page.h> + +#define KASAN_SHADOW_SCALE_SHIFT 3 + +#define KASAN_SHADOW_START (KASAN_SHADOW_OFFSET + \ + (PAGE_OFFSET >> KASAN_SHADOW_SCALE_SHIFT)) + +#define KASAN_SHADOW_OFFSET ASM_CONST(CONFIG_KASAN_SHADOW_OFFSET) + +#define KASAN_SHADOW_END 0UL + +#define KASAN_SHADOW_SIZE (KASAN_SHADOW_END - KASAN_SHADOW_START) + +#ifdef CONFIG_KASAN +void kasan_early_init(void); +void kasan_mmu_init(void); +void kasan_init(void); +#else +static inline void kasan_init(void) { } +static inline void kasan_mmu_init(void) { } +#endif + +#endif /* __ASSEMBLY */ +#endif |