1*0f4c859eSApple OSS Distributions /* 2*0f4c859eSApple OSS Distributions * Copyright (c) 2016 Apple Inc. All rights reserved. 3*0f4c859eSApple OSS Distributions * 4*0f4c859eSApple OSS Distributions * @APPLE_LICENSE_HEADER_START@ 5*0f4c859eSApple OSS Distributions * 6*0f4c859eSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*0f4c859eSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*0f4c859eSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*0f4c859eSApple OSS Distributions * compliance with the License. Please obtain a copy of the License at 10*0f4c859eSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this 11*0f4c859eSApple OSS Distributions * file. 12*0f4c859eSApple OSS Distributions * 13*0f4c859eSApple OSS Distributions * The Original Code and all software distributed under the License are 14*0f4c859eSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15*0f4c859eSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16*0f4c859eSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17*0f4c859eSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18*0f4c859eSApple OSS Distributions * Please see the License for the specific language governing rights and 19*0f4c859eSApple OSS Distributions * limitations under the License. 20*0f4c859eSApple OSS Distributions * 21*0f4c859eSApple OSS Distributions * @APPLE_LICENSE_HEADER_END@ 22*0f4c859eSApple OSS Distributions */ 23*0f4c859eSApple OSS Distributions #include <machine/cpu_capabilities.h> 24*0f4c859eSApple OSS Distributions 25*0f4c859eSApple OSS Distributions uint64_t mach_boottime_usec(void)26*0f4c859eSApple OSS Distributionsmach_boottime_usec(void) 27*0f4c859eSApple OSS Distributions { 28*0f4c859eSApple OSS Distributions return COMM_PAGE_READ(uint64_t, BOOTTIME_USEC); 29*0f4c859eSApple OSS Distributions } 30