projects / apple / xnu.git / blame
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|---|---|---|
| 5ba3f43e A |
1 | /* |
| 2 | * Copyright (c) 2017 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 | #ifndef __COPYOUT_SHIM_X86_64_H__ | |
| 29 | #define __COPYOUT_SHIM_X86_64_H__ | |
| 30 | #ifdef KERNEL_PRIVATE | |
| 31 | ||
| 32 | // Osfmk includes libsa/types.h which causes massive conflicts | |
| 33 | // with sys/types.h | |
| 34 | #if defined (__i386__) || defined(__x86_64__) | |
| 35 | #include "i386/types.h" | |
| 36 | #elif defined (__arm__) || defined (__arm64__) | |
| 37 | //XXX when ready to turn on for arm: #include "arm/types.h" | |
| 38 | #error ARM/ARM64 not supported | |
| 39 | #else | |
| 40 | #error architecture not supported | |
| 41 | #endif | |
| 42 | ||
| 43 | #include <mach/mach_types.h> | |
| 44 | ||
| 45 | #define CO_SRC_NORMAL 1 //copyout() called | |
| 46 | #define CO_SRC_MSG (1<<1) //copyoutmsg() called | |
| 47 | #define CO_SRC_PHYS (1<<2) //copyio(COPYOUTPHYS,...) called | |
| 48 | ||
| 49 | typedef void (*copyout_shim_fn_t)(const void *,user_addr_t,vm_size_t,unsigned co_src); | |
| 50 | ||
| 51 | #ifdef MACH_KERNEL_PRIVATE | |
| 52 | #if(DEVELOPMENT || DEBUG) && (COPYOUT_SHIM > 0) | |
| 53 | ||
| 54 | extern copyout_shim_fn_t copyout_shim_fn; | |
| 55 | extern unsigned co_src_flags; | |
| 56 | ||
| 57 | // void call_copyout_shim(const void *kernel_addr,user_addr_t user_addr,vm_size_t nbytes,int copy_type,int copyout_flavors); | |
| 58 | ||
| 59 | #define CALL_COPYOUT_SHIM_NRML(ka,ua,nb) \ | |
| 60 | if(copyout_shim_fn && (co_src_flags & CO_SRC_NORMAL)) {copyout_shim_fn(ka,ua,nb,CO_SRC_NORMAL); } | |
| 61 | ||
| 62 | #define CALL_COPYOUT_SHIM_MSG(ka,ua,nb) \ | |
| 63 | if(copyout_shim_fn && (co_src_flags & CO_SRC_MSG)){copyout_shim_fn(ka,ua,nb,CO_SRC_MSG); } | |
| 64 | ||
| 65 | #define CALL_COPYOUT_SHIM_PHYS(ka,ua,nb) \ | |
| 66 | if(copyout_shim_fn && (co_src_flags & CO_SRC_PHYS)){copyout_shim_fn(ka,ua,nb,CO_SRC_PHYS); } | |
| 67 | ||
| 68 | #else | |
| 69 | //Make these calls disappear if we're RELEASE or if COPYOUT_SHIM didn't get built | |
| 70 | #define CALL_COPYOUT_SHIM_NRML(ka,ua,nb) | |
| 71 | #define CALL_COPYOUT_SHIM_MSG(ka,ua,nb) | |
| 72 | #define CALL_COPYOUT_SHIM_PHYS(ka,ua,nb) | |
| 73 | #endif /* (DEVELOPMENT || DEBUG) && (COPYOUT_SHIM > 0) */ | |
| 74 | #endif /* MACH_KERNEL_PRIVATE */ | |
| 75 | ||
| 76 | ||
| 77 | kern_return_t | |
| 78 | register_copyout_shim(copyout_shim_fn_t copyout_shim_fn,unsigned co_src_flags); | |
| 79 | ||
| 80 | ||
| 81 | #define unregister_copyout_shim() register_copyout_shim(NULL,0) | |
| 82 | ||
| 83 | void * | |
| 84 | cos_kernel_unslide(const void *); | |
| 85 | ||
| 86 | void * | |
| 87 | cos_kernel_reslide(const void *); | |
| 88 | ||
| 89 | #endif /* KERNEL_PRIVATE */ | |
| 90 | #endif /* __COPYOUT_SHIM_X86_64_H__ */ |