1 /* 2 * Copyright (c) 2021 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29 #include <mach/vm_param.h> 30 #include "kasan-classic.h" 31 32 #ifndef _KASAN_CLASSIC_ARM64_H_ 33 #define _KASAN_CLASSIC_ARM64_H_ 34 35 /* 36 * ARM64 configuration for KASAN-CLASSIC. 37 */ 38 39 #define STOLEN_MEM_PERCENT 13UL 40 /* XXX this is for quarantine, should move to allocator-specific quarantine */ 41 #define STOLEN_MEM_BYTES MiB(40) 42 43 /* Defined in makedefs/MakeInc.def */ 44 #ifndef KASAN_OFFSET_ARM64 45 #define KASAN_OFFSET_ARM64 0xe000000000000000ULL 46 #endif /* KASAN_OFFSET_ARM64 */ 47 48 #if defined(ARM_LARGE_MEMORY) 49 #define KASAN_SHADOW_MIN (VM_MAX_KERNEL_ADDRESS+1) 50 #define KASAN_SHADOW_MAX 0xffffffffffffffffULL 51 #else 52 #define KASAN_SHADOW_MIN 0xfffffffc00000000ULL 53 #define KASAN_SHADOW_MAX 0xffffffff80000000ULL 54 #endif 55 56 #endif /* _KASAN_CLASSIC_ARM64_H_ */ 57