projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 2d21ac55 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 1c79356b | 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. | |
| 8f6c56a5 | 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. | |
| 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 | |
| 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. | |
| 8f6c56a5 | 25 | * |
| 2d21ac55 | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| 1c79356b A |
27 | */ |
| 28 | /* | |
| 29 | * Copyright (c) 1997-1998 Apple Computer, Inc. | |
| 30 | * | |
| 31 | * | |
| 32 | * HISTORY | |
| 33 | * | |
| 34 | * sdouglas 22 Oct 97 - first checked in from DriverServices | |
| 35 | * sdouglas 28 Jul 98 - start IOKit | |
| 36 | */ | |
| 37 | ||
| 38 | #include <architecture/ppc/asm_help.h> | |
| 39 | ||
| 40 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 41 | ; | |
| 42 | ; ENTRY functionName | |
| 43 | ; | |
| 44 | ; Assembly directives to begin an exported function. | |
| 45 | ; | |
| 46 | ; Takes: functionName - name of the exported function | |
| 47 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 48 | ||
| 49 | .macro ENTRY | |
| 50 | .text | |
| 51 | .align 2 | |
| 52 | .globl $0 | |
| 53 | $0: | |
| 54 | .endmacro | |
| 55 | ||
| 56 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 57 | ||
| 58 | /* | |
| 59 | ||
| 60 | OSStatus SynchronizeIO( void ) | |
| 61 | ||
| 62 | */ | |
| 63 | ||
| 64 | ENTRY __eSynchronizeIO | |
| 65 | ||
| 66 | li r0, 0 | |
| 67 | eieio | |
| 68 | li r3, 0 | |
| 69 | blr | |
| 70 | ||
| 71 | /* | |
| 72 | ||
| 73 | OSStatus CallTVector_NoRecover( | |
| 74 | void * p1, void * p2, void * p3, void * p4, void * p5, void * p6, // r3-8 | |
| 75 | LogicalAddress entry ) // r9 | |
| 76 | ||
| 77 | */ | |
| 78 | ||
| 79 | #define PARAM_SIZE 24 | |
| 80 | #define FM_SIZE 64 | |
| 81 | #define FM_LR_SAVE 8 | |
| 82 | #define FM_TOC_SAVE 20 | |
| 83 | ||
| 84 | ENTRY _CallTVector | |
| 85 | ||
| 86 | #if 1 | |
| 87 | stw r2, FM_TOC_SAVE(r1) | |
| 9bccf70c | 88 | lwz r0, 0(r9) |
| 1c79356b A |
89 | lwz r2, 4(r9) |
| 90 | mtspr ctr, r0 | |
| 91 | bctr | |
| 92 | ||
| 93 | #else | |
| 94 | mflr r0 | |
| 95 | stw r0, FM_LR_SAVE(r1) | |
| 96 | stw r2, FM_TOC_SAVE(r1) | |
| 97 | ||
| 98 | stwu r1, -(PARAM_SIZE+FM_SIZE)(r1) | |
| 99 | ||
| 100 | lwz r2, 4(r9) | |
| 101 | lwz r0, 0(r9) | |
| 102 | mtspr lr, r0 | |
| 103 | mfspr r12, lr | |
| 104 | blrl | |
| 105 | ||
| 106 | addi r1, r1,(PARAM_SIZE+FM_SIZE) | |
| 107 | lwz r2, FM_TOC_SAVE(r1) | |
| 108 | lwz r0, FM_LR_SAVE(r1) | |
| 109 | mtlr r0 | |
| 110 | blr | |
| 111 | #endif | |
| 112 | ||
| 113 | /* | |
| 114 | * Seemingly unused references from cpp statically initialized objects. | |
| 115 | */ | |
| 116 | ||
| 117 | .globl .constructors_used | |
| 118 | .constructors_used = 0 | |
| 119 | .globl .destructors_used | |
| 120 | .destructors_used = 0 |