| | 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 | |
| | 42 | mach_absolute_time_32: |
| | 43 | 1: |
| | 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 | |
| | 60 | mach_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 | |
| | 74 | mach_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 | |
projects / apple / xnu.git / blame_incremental