projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 43866e37 | 6 | * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. |
| 1c79356b | 7 | * |
| 43866e37 A |
8 | * This file contains Original Code and/or Modifications of Original Code |
| 9 | * as defined in and that are subject to the Apple Public Source License | |
| 10 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 11 | * compliance with the License. Please obtain a copy of the License at | |
| 12 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 13 | * file. | |
| 14 | * | |
| 15 | * The Original Code and all software distributed under the License are | |
| 16 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 1c79356b A |
17 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 18 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 43866e37 A |
19 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| 20 | * Please see the License for the specific language governing rights and | |
| 21 | * limitations under the License. | |
| 1c79356b A |
22 | * |
| 23 | * @APPLE_LICENSE_HEADER_END@ | |
| 24 | */ | |
| 25 | /* | |
| 26 | * @OSF_COPYRIGHT@ | |
| 27 | */ | |
| 28 | ||
| 29 | /* | |
| 30 | * File: machine/thread.h | |
| 31 | * | |
| 32 | * This file contains the structure definitions for the thread | |
| 33 | * state as applied to PPC processors. | |
| 34 | */ | |
| 35 | ||
| 36 | #ifndef _PPC_THREAD_H_ | |
| 37 | #define _PPC_THREAD_H_ | |
| 38 | ||
| 39 | #include <mach/machine/vm_types.h> | |
| 40 | ||
| 41 | /* | |
| 42 | * Return address of the function that called current function, given | |
| 43 | * address of the first parameter of current function. We can't | |
| 44 | * do it this way, since parameter was copied from a register | |
| 45 | * into a local variable. Call an assembly sub-function to | |
| 46 | * return this. | |
| 47 | */ | |
| 48 | ||
| 49 | extern vm_offset_t getrpc(void); | |
| 50 | #define GET_RETURN_PC(addr) getrpc() | |
| 51 | ||
| 52 | #define STACK_IKS(stack) \ | |
| 53 | ((vm_offset_t)(((vm_offset_t)stack)+KERNEL_STACK_SIZE)-FM_SIZE) | |
| 54 | ||
| 55 | #define syscall_emulation_sync(task) /* do nothing */ | |
| 56 | ||
| 57 | /* | |
| 58 | * Defining this indicates that MD code will supply an exception() | |
| 59 | * routine, conformant with kern/exception.c (dependency alert!) | |
| 60 | * but which does wonderfully fast, machine-dependent magic. | |
| 61 | */ | |
| 62 | ||
| 63 | #define MACHINE_FAST_EXCEPTION 1 | |
| 64 | ||
| 65 | #endif /* _PPC_THREAD_H_ */ | |
| 66 | ||
| 67 |