1 /******************************************************************************
2 *
3 * Name: acwin.h - OS specific defines, etc.
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2011, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44 #ifndef __ACWIN_H__
45 #define __ACWIN_H__
46
47 /*! [Begin] no source code translation (Keep the include) */
48
49 /* Windows uses VC */
50 #ifdef _MSC_VER
51 #include "acmsvc.h"
52 #endif
53 /*! [End] no source code translation !*/
54
55 #define ACPI_MACHINE_WIDTH 32
56
57 #define ACPI_USE_STANDARD_HEADERS
58
59 #ifdef ACPI_DEFINE_ALTERNATE_TYPES
60 /*
61 * Types used only in (Linux) translated source, defined here to enable
62 * cross-platform compilation (i.e., generate the Linux code on Windows,
63 * for test purposes only)
64 */
65 typedef int s32;
66 typedef unsigned char u8;
67 typedef unsigned short u16;
68 typedef unsigned int u32;
69 typedef COMPILER_DEPENDENT_UINT64 u64;
70 #endif
71
72
73 /*
74 * Handle platform- and compiler-specific assembly language differences.
75 *
76 * Notes:
77 * 1) Interrupt 3 is used to break into a debugger
78 * 2) Interrupts are turned off during ACPI register setup
79 */
80
81 /*! [Begin] no source code translation */
82
83 #ifdef ACPI_APPLICATION
84 #define ACPI_FLUSH_CPU_CACHE()
85 #else
86 #define ACPI_FLUSH_CPU_CACHE() __asm {WBINVD}
87 #endif
88
89 #ifdef _DEBUG
90 #define ACPI_SIMPLE_RETURN_MACROS
91 #endif
92
93 /*! [End] no source code translation !*/
94
95 /*
96 * Global Lock acquire/release code
97 *
98 * Note: Handles case where the FACS pointer is null
99 */
100 #define ACPI_ACQUIRE_GLOBAL_LOCK(FacsPtr, Acq) __asm \
101 { \
102 __asm mov eax, 0xFF \
103 __asm mov ecx, FacsPtr \
104 __asm or ecx, ecx \
105 __asm jz exit_acq \
106 __asm lea ecx, [ecx].GlobalLock \
107 \
108 __asm acq10: \
109 __asm mov eax, [ecx] \
110 __asm mov edx, eax \
111 __asm and edx, 0xFFFFFFFE \
112 __asm bts edx, 1 \
113 __asm adc edx, 0 \
114 __asm lock cmpxchg dword ptr [ecx], edx \
115 __asm jnz acq10 \
116 \
117 __asm cmp dl, 3 \
118 __asm sbb eax, eax \
119 \
120 __asm exit_acq: \
121 __asm mov Acq, al \
122 }
123
124 #define ACPI_RELEASE_GLOBAL_LOCK(FacsPtr, Pnd) __asm \
125 { \
126 __asm xor eax, eax \
127 __asm mov ecx, FacsPtr \
128 __asm or ecx, ecx \
129 __asm jz exit_rel \
130 __asm lea ecx, [ecx].GlobalLock \
131 \
132 __asm Rel10: \
133 __asm mov eax, [ecx] \
134 __asm mov edx, eax \
135 __asm and edx, 0xFFFFFFFC \
136 __asm lock cmpxchg dword ptr [ecx], edx \
137 __asm jnz Rel10 \
138 \
139 __asm cmp dl, 3 \
140 __asm and eax, 1 \
141 \
142 __asm exit_rel: \
143 __asm mov Pnd, al \
144 }
145
146 #endif /* __ACWIN_H__ */