Root/
| Source at commit 1146 created 12 years 11 months ago. By azimutz, Sync with trunk (r1145). Add nVidia dev id's, 0DF4 for "GeForce GT 450M" (issue 99) and 1251 for "GeForce GTX 560M" (thanks to oSxFr33k for testing). | |
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| 1 | /*␊ |
| 2 | * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_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. Please obtain a copy of the License at␊ |
| 10 | * http://www.opensource.apple.com/apsl/ and read it before using this␊ |
| 11 | * file.␊ |
| 12 | * ␊ |
| 13 | * The Original Code and all software distributed under the License are␊ |
| 14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊ |
| 18 | * Please see the License for the specific language governing rights and␊ |
| 19 | * limitations under the License.␊ |
| 20 | * ␊ |
| 21 | * @APPLE_LICENSE_HEADER_END@␊ |
| 22 | */␊ |
| 23 | /*␊ |
| 24 | * Copyright (c) 1992 NeXT Computer, Inc.␊ |
| 25 | *␊ |
| 26 | * Intel386 Family:␉Floating Point unit.␊ |
| 27 | *␊ |
| 28 | * HISTORY␊ |
| 29 | *␊ |
| 30 | * 5 October 1992 ? at NeXT␊ |
| 31 | *␉Added names to previously unamed fields in the mantissa.␊ |
| 32 | *␊ |
| 33 | * 5 April 1992 ? at NeXT␊ |
| 34 | *␉Created.␊ |
| 35 | */␊ |
| 36 | ␊ |
| 37 | #ifndef _ARCH_I386_FPU_H_␊ |
| 38 | #define _ARCH_I386_FPU_H_␊ |
| 39 | ␊ |
| 40 | /*␊ |
| 41 | * Data register.␊ |
| 42 | */␊ |
| 43 | ␊ |
| 44 | typedef struct fp_data_reg {␊ |
| 45 | unsigned short␉␉mant;␊ |
| 46 | unsigned short␉␉mant1␉:16,␊ |
| 47 | ␉␉␉␉mant2␉:16,␊ |
| 48 | ␉␉␉␉mant3␉:16;␊ |
| 49 | unsigned short␉␉exp␉:15,␊ |
| 50 | ␉␉␉ ␉sign␉:1;␊ |
| 51 | } fp_data_reg_t;␊ |
| 52 | ␊ |
| 53 | /*␊ |
| 54 | * Data register stack.␊ |
| 55 | */␊ |
| 56 | ␊ |
| 57 | typedef struct fp_stack {␊ |
| 58 | fp_data_reg_t␉␉ST[8];␊ |
| 59 | } fp_stack_t;␊ |
| 60 | ␊ |
| 61 | /*␊ |
| 62 | * Register stack tag word.␊ |
| 63 | */␊ |
| 64 | ␊ |
| 65 | typedef struct fp_tag {␊ |
| 66 | unsigned short␉␉tag0␉:2,␊ |
| 67 | ␉␉␉␉tag1␉:2,␊ |
| 68 | ␉␉␉␉tag2␉:2,␊ |
| 69 | ␉␉␉␉tag3␉:2,␊ |
| 70 | ␉␉␉␉tag4␉:2,␊ |
| 71 | ␉␉␉␉tag5␉:2,␊ |
| 72 | ␉␉␉␉tag6␉:2,␊ |
| 73 | ␉␉␉␉tag7␉:2;␊ |
| 74 | #define FP_TAG_VALID␉␉0␊ |
| 75 | #define FP_TAG_ZERO␉␉1␊ |
| 76 | #define FP_TAG_SPEC␉␉2␊ |
| 77 | #define FP_TAG_EMPTY␉␉3␊ |
| 78 | } fp_tag_t;␊ |
| 79 | ␊ |
| 80 | /*␊ |
| 81 | * Status word.␊ |
| 82 | */␊ |
| 83 | ␊ |
| 84 | typedef struct fp_status {␊ |
| 85 | unsigned short␉␉invalid␉:1,␊ |
| 86 | ␉␉␉␉denorm␉:1,␊ |
| 87 | ␉␉␉␉zdiv␉:1,␊ |
| 88 | ␉␉␉␉ovrfl␉:1,␊ |
| 89 | ␉␉␉␉undfl␉:1,␊ |
| 90 | ␉␉␉␉precis␉:1,␊ |
| 91 | ␉␉␉␉stkflt␉:1,␊ |
| 92 | ␉␉␉␉errsumm␉:1,␊ |
| 93 | ␉␉␉␉c0␉:1,␊ |
| 94 | ␉␉␉␉c1␉:1,␊ |
| 95 | ␉␉␉␉c2␉:1,␊ |
| 96 | ␉␉␉␉tos␉:3,␊ |
| 97 | ␉␉␉␉c3␉:1,␊ |
| 98 | ␉␉␉␉busy␉:1;␊ |
| 99 | } fp_status_t;␊ |
| 100 | ␊ |
| 101 | /*␊ |
| 102 | * Control word.␊ |
| 103 | */␊ |
| 104 | ␊ |
| 105 | typedef struct fp_control {␊ |
| 106 | unsigned short␉␉invalid␉:1,␊ |
| 107 | ␉␉␉␉denorm␉:1,␊ |
| 108 | ␉␉␉␉zdiv␉:1,␊ |
| 109 | ␉␉␉␉ovrfl␉:1,␊ |
| 110 | ␉␉␉␉undfl␉:1,␊ |
| 111 | ␉␉␉␉precis␉:1,␊ |
| 112 | ␉␉␉␉␉:2,␊ |
| 113 | ␉␉␉␉pc␉:2,␊ |
| 114 | #define FP_PREC_24B␉␉0␊ |
| 115 | #define␉FP_PREC_53B␉␉2␊ |
| 116 | #define FP_PREC_64B␉␉3␊ |
| 117 | ␉␉␉␉rc␉:2,␊ |
| 118 | #define FP_RND_NEAR␉␉0␊ |
| 119 | #define FP_RND_DOWN␉␉1␊ |
| 120 | #define FP_RND_UP␉␉2␊ |
| 121 | #define FP_CHOP␉␉␉3␊ |
| 122 | ␉␉␉␉/*inf*/␉:1,␊ |
| 123 | ␉␉␉␉␉:3;␊ |
| 124 | } fp_control_t;␊ |
| 125 | ␊ |
| 126 | #include <architecture/i386/sel.h>␊ |
| 127 | ␊ |
| 128 | /*␊ |
| 129 | * Floating point 'environment'␊ |
| 130 | * used by FSTENV/FLDENV instructions.␊ |
| 131 | */␊ |
| 132 | ␊ |
| 133 | typedef struct fp_env {␊ |
| 134 | fp_control_t␉␉control;␊ |
| 135 | unsigned short␉␉␉:16;␊ |
| 136 | fp_status_t␉␉␉status;␊ |
| 137 | unsigned short␉␉␉:16;␊ |
| 138 | fp_tag_t␉␉␉tag;␊ |
| 139 | unsigned short␉␉␉:16;␊ |
| 140 | unsigned int␉␉ip;␊ |
| 141 | sel_t␉␉␉cs;␊ |
| 142 | unsigned short␉␉opcode;␊ |
| 143 | unsigned int␉␉dp;␊ |
| 144 | sel_t␉␉␉ds;␊ |
| 145 | unsigned short␉␉␉:16;␊ |
| 146 | } fp_env_t;␊ |
| 147 | ␊ |
| 148 | /*␊ |
| 149 | * Floating point state␊ |
| 150 | * used by FSAVE/FRSTOR instructions.␊ |
| 151 | */␊ |
| 152 | ␊ |
| 153 | /*␊ |
| 154 | * To allow the the common idiom of:␊ |
| 155 | * #define environ (*_NSGetEnviron())␊ |
| 156 | * to be used these fields were renamed. Old code that that does␊ |
| 157 | * not use this idiom can use the old field names by defining␊ |
| 158 | * _ARCHITECTURE_I386_FPU_FPSTATE_LEGACY_FIELD_NAMES_ .␊ |
| 159 | */␊ |
| 160 | typedef struct fp_state {␊ |
| 161 | #if _ARCHITECTURE_I386_FPU_FPSTATE_LEGACY_FIELD_NAMES_␊ |
| 162 | fp_env_t␉␉␉environ;␊ |
| 163 | fp_stack_t␉␉␉stack;␊ |
| 164 | #else␊ |
| 165 | fp_env_t␉␉␉fp_environ;␊ |
| 166 | fp_stack_t␉␉␉fp_stack;␊ |
| 167 | #endif␊ |
| 168 | } fp_state_t;␊ |
| 169 | ␊ |
| 170 | #endif␉/* _ARCH_I386_FPU_H_ */␊ |
| 171 | |
