projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 37839358 A |
6 | * The contents of this file constitute Original Code as defined in and |
| 7 | * are subject to the Apple Public Source License Version 1.1 (the | |
| 8 | * "License"). You may not use this file except in compliance with the | |
| 9 | * License. Please obtain a copy of the License at | |
| 10 | * http://www.apple.com/publicsource and read it before using this file. | |
| 1c79356b | 11 | * |
| 37839358 A |
12 | * This Original Code and all software distributed under the License are |
| 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 1c79356b A |
14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 37839358 A |
16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the |
| 17 | * License for the specific language governing rights and limitations | |
| 18 | * under the License. | |
| 1c79356b A |
19 | * |
| 20 | * @APPLE_LICENSE_HEADER_END@ | |
| 21 | */ | |
| 22 | /* | |
| 23 | * Copyright (c) 1997-1998 Apple Computer, Inc. | |
| 24 | * | |
| 25 | * | |
| 26 | * HISTORY | |
| 27 | * | |
| 28 | * sdouglas 22 Oct 97 - first checked in from DriverServices | |
| 29 | * sdouglas 28 Jul 98 - start IOKit | |
| 30 | */ | |
| 31 | ||
| 32 | #include <architecture/ppc/asm_help.h> | |
| 33 | ||
| 34 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 35 | ; | |
| 36 | ; ENTRY functionName | |
| 37 | ; | |
| 38 | ; Assembly directives to begin an exported function. | |
| 39 | ; | |
| 40 | ; Takes: functionName - name of the exported function | |
| 41 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 42 | ||
| 43 | .macro ENTRY | |
| 44 | .text | |
| 45 | .align 2 | |
| 46 | .globl $0 | |
| 47 | $0: | |
| 48 | .endmacro | |
| 49 | ||
| 50 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 51 | ||
| 52 | /* | |
| 53 | ||
| 54 | OSStatus SynchronizeIO( void ) | |
| 55 | ||
| 56 | */ | |
| 57 | ||
| 58 | ENTRY __eSynchronizeIO | |
| 59 | ||
| 60 | li r0, 0 | |
| 61 | eieio | |
| 62 | li r3, 0 | |
| 63 | blr | |
| 64 | ||
| 65 | /* | |
| 66 | ||
| 67 | OSStatus CallTVector_NoRecover( | |
| 68 | void * p1, void * p2, void * p3, void * p4, void * p5, void * p6, // r3-8 | |
| 69 | LogicalAddress entry ) // r9 | |
| 70 | ||
| 71 | */ | |
| 72 | ||
| 73 | #define PARAM_SIZE 24 | |
| 74 | #define FM_SIZE 64 | |
| 75 | #define FM_LR_SAVE 8 | |
| 76 | #define FM_TOC_SAVE 20 | |
| 77 | ||
| 78 | ENTRY _CallTVector | |
| 79 | ||
| 80 | #if 1 | |
| 81 | stw r2, FM_TOC_SAVE(r1) | |
| 9bccf70c | 82 | lwz r0, 0(r9) |
| 1c79356b A |
83 | lwz r2, 4(r9) |
| 84 | mtspr ctr, r0 | |
| 85 | bctr | |
| 86 | ||
| 87 | #else | |
| 88 | mflr r0 | |
| 89 | stw r0, FM_LR_SAVE(r1) | |
| 90 | stw r2, FM_TOC_SAVE(r1) | |
| 91 | ||
| 92 | stwu r1, -(PARAM_SIZE+FM_SIZE)(r1) | |
| 93 | ||
| 94 | lwz r2, 4(r9) | |
| 95 | lwz r0, 0(r9) | |
| 96 | mtspr lr, r0 | |
| 97 | mfspr r12, lr | |
| 98 | blrl | |
| 99 | ||
| 100 | addi r1, r1,(PARAM_SIZE+FM_SIZE) | |
| 101 | lwz r2, FM_TOC_SAVE(r1) | |
| 102 | lwz r0, FM_LR_SAVE(r1) | |
| 103 | mtlr r0 | |
| 104 | blr | |
| 105 | #endif | |
| 106 | ||
| 107 | /* | |
| 108 | * Seemingly unused references from cpp statically initialized objects. | |
| 109 | */ | |
| 110 | ||
| 111 | .globl .constructors_used | |
| 112 | .constructors_used = 0 | |
| 113 | .globl .destructors_used | |
| 114 | .destructors_used = 0 |