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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 | /* Copyright (c) 1991 NeXT Computer, Inc. All rights reserved.␊ |
24 | *␊ |
25 | *␉File:␉architecture/i386/reg_help.h␊ |
26 | *␉Author:␉Mike DeMoney, NeXT Computer, Inc.␊ |
27 | * Modified for i386 by: Bruce Martin, NeXT Computer, Inc.␊ |
28 | *␊ |
29 | *␉This header file defines cpp macros useful for defining␊ |
30 | *␉machine register and doing machine-level operations.␊ |
31 | *␊ |
32 | * HISTORY␊ |
33 | * 10-Mar-92 Bruce Martin (bmartin@next.com)␊ |
34 | *␉Adapted to i386␊ |
35 | * 23-Jan-91 Mike DeMoney (mike@next.com)␊ |
36 | *␉Created.␊ |
37 | */␊ |
38 | ␊ |
39 | #ifndef␉_ARCH_I386_REG_HELP_H_␊ |
40 | #define␉_ARCH_I386_REG_HELP_H_␊ |
41 | ␊ |
42 | /* Bitfield definition aid */␊ |
43 | #define␉BITS_WIDTH(msb, lsb)␉((msb)-(lsb)+1)␊ |
44 | #define␉BIT_WIDTH(pos)␉␉(1)␉/* mostly to record the position */␊ |
45 | ␊ |
46 | /* Mask creation */␊ |
47 | #define␉MKMASK(width, offset)␉(((unsigned)-1)>>(32-(width))<<(offset))␊ |
48 | #define␉BITSMASK(msb, lsb)␉MKMASK(BITS_WIDTH(msb, lsb), lsb & 0x1f)␊ |
49 | #define␉BITMASK(pos)␉␉MKMASK(BIT_WIDTH(pos), pos & 0x1f)␊ |
50 | ␊ |
51 | /* Register addresses */␊ |
52 | #if␉__ASSEMBLER__␊ |
53 | # define␉REG_ADDR(type, addr)␉(addr)␊ |
54 | #else␉/* __ASSEMBLER__ */␊ |
55 | # define␉REG_ADDR(type, addr)␉(*(volatile type *)(addr))␊ |
56 | #endif␉/* __ASSEMBLER__ */␊ |
57 | ␊ |
58 | /* Cast a register to be an unsigned */␊ |
59 | #define␉CONTENTS(foo)␉(*(unsigned *) &(foo))␊ |
60 | ␊ |
61 | /* Stack pointer must always be a multiple of 4 */␊ |
62 | #define␉STACK_INCR␉4␊ |
63 | #define␉ROUND_FRAME(x)␉((((unsigned)(x)) + STACK_INCR - 1) & ~(STACK_INCR-1))␊ |
64 | ␊ |
65 | /* STRINGIFY -- perform all possible substitutions, then stringify */␊ |
66 | #define␉__STR(x)␉#x␉␉/* just a helper macro */␊ |
67 | #define␉STRINGIFY(x)␉__STR(x)␊ |
68 | ␊ |
69 | /*␊ |
70 | * REG_PAIR_DEF -- define a register pair␊ |
71 | * Register pairs are appropriately aligned to allow access via␊ |
72 | * ld.d and st.d.␊ |
73 | *␊ |
74 | * Usage:␊ |
75 | *␉struct foo {␊ |
76 | *␉␉REG_PAIR_DEF(␊ |
77 | *␉␉␉bar_t *,␉barp,␊ |
78 | *␉␉␉afu_t,␉␉afu␊ |
79 | *␉␉);␊ |
80 | *␉};␊ |
81 | *␊ |
82 | * Access to individual entries of the pair is via the REG_PAIR␊ |
83 | * macro (below).␊ |
84 | */␊ |
85 | #define␉REG_PAIR_DEF(type0, name0, type1, name1)␉␉\␊ |
86 | ␉struct {␉␉␉␉␉␉\␊ |
87 | ␉␉type0␉name0 __attribute__(( aligned(8) ));␉\␊ |
88 | ␉␉type1␉name1;␉␉␉␉␉\␊ |
89 | ␉} name0##_##name1␊ |
90 | ␊ |
91 | /*␊ |
92 | * REG_PAIR -- Macro to define names for accessing individual registers␊ |
93 | * of register pairs.␊ |
94 | *␊ |
95 | * Usage:␊ |
96 | *␉arg0 is first element of pair␊ |
97 | *␉arg1 is second element of pair␊ |
98 | *␉arg2 is desired element of pair␊ |
99 | * eg:␊ |
100 | *␉#define␉foo_barp␉REG_PAIR(barp, afu, afu)␊ |
101 | */␊ |
102 | #define␉REG_PAIR(name0, name1, the_name)␉␉␉\␊ |
103 | ␉name0##_##name1.the_name␊ |
104 | ␊ |
105 | #endif␉/* _ARCH_I386_REG_HELP_H_ */␊ |
106 |