1/* 2 * Copyright (c) 2003 Apple Computer, 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 <sys/appleapiopts.h> 30#include <ppc/asm.h> // EXT, LEXT 31#include <machine/cpu_capabilities.h> 32#include <machine/commpage.h> 33 34 .text 35 .align 2 36 37 38// ********************************************* 39// * M A C H _ A B S O L U T E _ T I M E _ 3 2 * 40// ********************************************* 41 42mach_absolute_time_32: 431: 44 mftbu r3 45 mftb r4 46 mftbu r5 47 cmplw r3,r5 48 beqlr+ 49 b 1b 50 51 COMMPAGE_DESCRIPTOR(mach_absolute_time_32,_COMM_PAGE_ABSOLUTE_TIME,0,k64Bit,kCommPage32) 52 53 54// ********************************************* 55// * M A C H _ A B S O L U T E _ T I M E _ 6 4 * 56// ********************************************* 57// 58// This is the version that is called in 32-bit mode, so we return the TBR in r3 and r4. 59 60mach_absolute_time_64: 61 mftb r4 62 srdi r3,r4,32 63 blr 64 65 COMMPAGE_DESCRIPTOR(mach_absolute_time_64,_COMM_PAGE_ABSOLUTE_TIME,k64Bit,0,kCommPage32) 66 67 68// ************************************************* 69// * M A C H _ A B S O L U T E _ T I M E _ L P 6 4 * 70// ************************************************* 71// 72// This is the version that is called in 64-bit mode, so we return the TBR in r3. 73 74mach_absolute_time_lp64: 75 mftb r3 76 blr 77 78 COMMPAGE_DESCRIPTOR(mach_absolute_time_lp64,_COMM_PAGE_ABSOLUTE_TIME,k64Bit,0,kCommPage64) 79 80 81