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51fb591edc
Common KASAN code might rely on the definitions of the shadow mapping start, end, and size. Define KASAN_SHADOW_END in addition to KASAN_SHADOW_START and KASAN_SHADOW_SIZE. Link: https://lkml.kernel.org/r/20231225151924.5422-1-andrey.konovalov@linux.dev Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202312240755.MqsWuTno-lkp@intel.com/ Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com> Cc: Chris Zankel <chris@zankel.net> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Marco Elver <elver@google.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
42 lines
953 B
C
42 lines
953 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_KASAN_H
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#define __ASM_KASAN_H
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#ifndef __ASSEMBLY__
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#ifdef CONFIG_KASAN
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#include <linux/kernel.h>
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#include <linux/sizes.h>
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#include <asm/kmem_layout.h>
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#define KASAN_SHADOW_SCALE_SHIFT 3
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/* Start of area covered by KASAN */
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#define KASAN_START_VADDR __XTENSA_UL_CONST(0x90000000)
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/* Start of the shadow map */
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#define KASAN_SHADOW_START (XCHAL_PAGE_TABLE_VADDR + XCHAL_PAGE_TABLE_SIZE)
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/* Size of the shadow map */
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#define KASAN_SHADOW_SIZE (-KASAN_START_VADDR >> KASAN_SHADOW_SCALE_SHIFT)
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/* End of the shadow map */
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#define KASAN_SHADOW_END (KASAN_SHADOW_START + KASAN_SHADOW_SIZE)
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/* Offset for mem to shadow address transformation */
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#define KASAN_SHADOW_OFFSET __XTENSA_UL_CONST(CONFIG_KASAN_SHADOW_OFFSET)
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void __init kasan_early_init(void);
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void __init kasan_init(void);
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#else
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static inline void kasan_early_init(void)
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{
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}
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static inline void kasan_init(void)
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{
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}
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#endif
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#endif
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#endif
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