projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b | 1 | /* |
| 6d2010ae | 2 | * Copyright (c) 2000-2010 Apple Inc. All rights reserved. |
| 1c79356b | 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 | * @OSF_COPYRIGHT@ | |
| 30 | */ | |
| 31 | /* | |
| 32 | * Mach Operating System | |
| 33 | * Copyright (c) 1991 Carnegie Mellon University | |
| 34 | * All Rights Reserved. | |
| 35 | * | |
| 36 | * Permission to use, copy, modify and distribute this software and its | |
| 37 | * documentation is hereby granted, provided that both the copyright | |
| 38 | * notice and this permission notice appear in all copies of the | |
| 39 | * software, derivative works or modified versions, and any portions | |
| 40 | * thereof, and that both notices appear in supporting documentation. | |
| 41 | * | |
| 42 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" | |
| 43 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR | |
| 44 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. | |
| 45 | * | |
| 46 | * Carnegie Mellon requests users of this software to return to | |
| 47 | * | |
| 48 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU | |
| 49 | * School of Computer Science | |
| 50 | * Carnegie Mellon University | |
| 51 | * Pittsburgh PA 15213-3890 | |
| 52 | * | |
| 53 | * any improvements or extensions that they make and grant Carnegie Mellon | |
| 54 | * the rights to redistribute these changes. | |
| 55 | */ | |
| 56 | ||
| 1c79356b A |
57 | #ifndef _I386_FPU_H_ |
| 58 | #define _I386_FPU_H_ | |
| 59 | ||
| 60 | /* | |
| 61 | * Macro definitions for routines to manipulate the | |
| 62 | * floating-point processor. | |
| 63 | */ | |
| 0c530ab8 | 64 | #include <kern/thread.h> |
| 1c79356b A |
65 | #include <kern/kern_types.h> |
| 66 | #include <mach/i386/kern_return.h> | |
| 67 | #include <mach/i386/thread_status.h> | |
| 0c530ab8 | 68 | #include <i386/proc_reg.h> |
| b0d623f7 | 69 | #include <i386/thread.h> |
| 0c530ab8 | 70 | |
| 6d2010ae A |
71 | typedef enum { |
| 72 | FXSAVE32 = 1, | |
| 73 | FXSAVE64 = 2, | |
| 74 | XSAVE32 = 3, | |
| 75 | XSAVE64 = 4, | |
| 76 | FP_UNUSED = 5 | |
| 77 | } fp_save_layout_t; | |
| 78 | ||
| 0c530ab8 A |
79 | extern int fp_kind; |
| 80 | ||
| 81 | extern void init_fpu(void); | |
| 82 | extern void fpu_module_init(void); | |
| 83 | extern void fpu_free( | |
| 060df5ea | 84 | void * fps); |
| 0c530ab8 A |
85 | extern kern_return_t fpu_set_fxstate( |
| 86 | thread_t thr_act, | |
| 060df5ea A |
87 | thread_state_t state, |
| 88 | thread_flavor_t f); | |
| 0c530ab8 A |
89 | extern kern_return_t fpu_get_fxstate( |
| 90 | thread_t thr_act, | |
| 060df5ea A |
91 | thread_state_t state, |
| 92 | thread_flavor_t f); | |
| 0c530ab8 A |
93 | extern void fpu_dup_fxstate( |
| 94 | thread_t parent, | |
| 95 | thread_t child); | |
| 96 | extern void fpnoextflt(void); | |
| 97 | extern void fpextovrflt(void); | |
| 98 | extern void fpexterrflt(void); | |
| 99 | extern void fpSSEexterrflt(void); | |
| 100 | extern void fpflush(thread_t); | |
| 101 | extern void fp_setvalid(boolean_t); | |
| b0d623f7 | 102 | #ifdef __i386__ |
| 060df5ea A |
103 | extern void fxsave64(struct x86_fx_thread_state *); |
| 104 | extern void fxrstor64(struct x86_fx_thread_state *); | |
| b0d623f7 | 105 | #endif |
| 1c79356b | 106 | |
| 060df5ea A |
107 | extern void clear_fpu(void); |
| 108 | extern void fpu_save_context(thread_t thread); | |
| 1c79356b A |
109 | |
| 110 | #endif /* _I386_FPU_H_ */ |