projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b | 1 | /* |
| 3e170ce0 | 2 | * Copyright (c) 2015 Apple Inc. All rights reserved. |
| 1c79356b | 3 | * |
| 2d21ac55 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 3e170ce0 | 5 | * |
| 2d21ac55 A |
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. | |
| 3e170ce0 | 14 | * |
| 2d21ac55 A |
15 | * Please obtain a copy of the License at |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
| 3e170ce0 | 17 | * |
| 2d21ac55 A |
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 | |
| 8f6c56a5 A |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 2d21ac55 A |
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. | |
| 3e170ce0 | 25 | * |
| 2d21ac55 | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| 1c79356b | 27 | */ |
| 1c79356b | 28 | |
| 3e170ce0 A |
29 | #include <machine/cpu_capabilities.h> |
| 30 | #include <mach/kern_return.h> | |
| 31 | #include <mach/mach_host.h> | |
| 32 | #include <mach/host_priv.h> | |
| 33 | ||
| 34 | kern_return_t | |
| 35 | host_get_atm_diagnostic_flag(host_t host __unused, | |
| 36 | uint32_t *diagnostic_flag) | |
| 37 | { | |
| 38 | volatile uint32_t *diagnostic_flag_address = (volatile uint32_t *)(uintptr_t)(_COMM_PAGE_ATM_DIAGNOSTIC_CONFIG); | |
| 39 | *diagnostic_flag = *diagnostic_flag_address; | |
| 40 | return KERN_SUCCESS; | |
| 41 | } | |
| 1c79356b | 42 |