ReactOS  0.4.14-dev-358-gbef841c
acwin64.h
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1 /******************************************************************************
2  *
3  * Name: acwin64.h - OS specific defines, etc.
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2019, 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 __ACWIN64_H__
45 #define __ACWIN64_H__
46 
47 #define ACPI_USE_STANDARD_HEADERS
48 #define ACPI_USE_SYSTEM_CLIBRARY
49 
50  /* Note: do not include any C library headers here */
51 
52  /*
53  * Note: MSVC project files should define ACPI_DEBUGGER and ACPI_DISASSEMBLER
54  * as appropriate to enable editor functions like "Find all references".
55  * The editor isn't smart enough to dig through the include files to find
56  * out if these are actually defined.
57  */
58 
59  /* Eliminate warnings for "old" (non-secure) versions of clib functions */
60 
61 #ifndef _CRT_SECURE_NO_WARNINGS
62 #define _CRT_SECURE_NO_WARNINGS
63 #endif
64 
65 /* Eliminate warnings for POSIX clib function names (open, write, etc.) */
66 
67 #ifndef _CRT_NONSTDC_NO_DEPRECATE
68 #define _CRT_NONSTDC_NO_DEPRECATE
69 #endif
70 
71 
72 #define ACPI_MACHINE_WIDTH 64
73 
74 /*
75  * Map low I/O functions for MS. This allows us to disable MS language
76  * extensions for maximum portability.
77  */
78 #define open _open
79 #define read _read
80 #define write _write
81 #define close _close
82 #define stat _stat
83 #define fstat _fstat
84 #define mkdir _mkdir
85 #define snprintf _snprintf
86 #if _MSC_VER <= 1200 /* Versions below VC++ 6 */
87 #define vsnprintf _vsnprintf
88 #endif
89 #define O_RDONLY _O_RDONLY
90 #define O_BINARY _O_BINARY
91 #define O_CREAT _O_CREAT
92 #define O_WRONLY _O_WRONLY
93 #define O_TRUNC _O_TRUNC
94 #define S_IREAD _S_IREAD
95 #define S_IWRITE _S_IWRITE
96 #define S_IFDIR _S_IFDIR
97 
98 /*
99  * Handle platform- and compiler-specific assembly language differences.
100  *
101  * Notes:
102  * 1) Interrupt 3 is used to break into a debugger
103  * 2) Interrupts are turned off during ACPI register setup
104  */
105 
108 #ifndef __REACTOS__
109 #define ACPI_FLUSH_CPU_CACHE()
110 
111 /*
112  * For Acpi applications, we don't want to try to access the global lock
113  */
114 #ifdef ACPI_APPLICATION
115 #define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) if (AcpiGbl_GlobalLockPresent) {Acq = 0xFF;} else {Acq = 0;}
116 #define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Pnd) if (AcpiGbl_GlobalLockPresent) {Pnd = 0xFF;} else {Pnd = 0;}
117 #else
118 
119 #define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq)
120 
121 #define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Pnd)
122 
123 #endif
124 
125 #else /* __REACTOS__ */
126 
127 #ifdef ACPI_APPLICATION
128 #define ACPI_FLUSH_CPU_CACHE()
129 #else
130 #define ACPI_FLUSH_CPU_CACHE() __wbinvd()
131 #endif
132 
133 #define ACPI_ACQUIRE_GLOBAL_LOCK(FacsPtr, Acq) \
134 { \
135  BOOLEAN acquired = 0xFF; \
136 \
137  if ((FacsPtr) != 0) \
138  { \
139  UINT32 compare, prev, newval; \
140  UINT32* lock = &((FacsPtr)->GlobalLock); \
141  do \
142  { \
143  compare = *lock; \
144  newval = (compare & ~1) | ((compare >> 1) & 1) | 2; \
145  prev = InterlockedCompareExchange(lock, newval, compare); \
146  } while (prev != compare); \
147  acquired = ((newval & 0xFF) < 3) ? 0xFF : 0x00; \
148  } \
149  (Acq) = acquired; \
150 }
151 
152 #define ACPI_RELEASE_GLOBAL_LOCK(FacsPtr, Pnd) \
153 { \
154  BOOLEAN pending = 0; \
155 \
156  if ((FacsPtr) != 0) \
157  { \
158  pending = InterlockedAnd(&(FacsPtr)->GlobalLock, ~3) & 1; \
159  } \
160  (Pnd) = pending; \
161 }
162 
163 #endif /* __REACTOS__ */
164 
167 #endif /* __ACWIN_H__ */