drivers/bus/acpi/acpica/include/platform/acwin.h

   1 /******************************************************************************
   2  *
   3  * Name: acwin.h - OS specific defines, etc.
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2018, 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 #define ACPI_USE_STANDARD_HEADERS
  48 #define ACPI_USE_SYSTEM_CLIBRARY
  49
  50 #define ACPI_MACHINE_WIDTH      32
  51 #define ACPI_USE_NATIVE_DIVIDE
  52 #define ACPI_USE_NATIVE_MATH64
  53
  54 #ifdef ACPI_DEFINE_ALTERNATE_TYPES
  55 /*
  56  * Types used only in (Linux) translated source, defined here to enable
  57  * cross-platform compilation (i.e., generate the Linux code on Windows,
  58  * for test purposes only)
  59  */
  60 typedef int                             s32;
  61 typedef unsigned char                   u8;
  62 typedef unsigned short                  u16;
  63 typedef unsigned int                    u32;
  64 typedef COMPILER_DEPENDENT_UINT64       u64;
  65 #endif
  66
  67 /*
  68  * Map low I/O functions for MS. This allows us to disable MS language
  69  * extensions for maximum portability.
  70  */
  71 #define open            _open
  72 #define read            _read
  73 #define write           _write
  74 #define close           _close
  75 #define stat            _stat
  76 #define fstat           _fstat
  77 #define mkdir           _mkdir
  78 #define snprintf        _snprintf
  79 #if _MSC_VER <= 1200 /* Versions below VC++ 6 */
  80 #define vsnprintf       _vsnprintf
  81 #endif
  82 #define O_RDONLY        _O_RDONLY
  83 #define O_BINARY        _O_BINARY
  84 #define O_CREAT         _O_CREAT
  85 #define O_WRONLY        _O_WRONLY
  86 #define O_TRUNC         _O_TRUNC
  87 #define S_IREAD         _S_IREAD
  88 #define S_IWRITE        _S_IWRITE
  89 #define S_IFDIR         _S_IFDIR
  90
  91
  92 /*
  93  * Handle platform- and compiler-specific assembly language differences.
  94  *
  95  * Notes:
  96  * 1) Interrupt 3 is used to break into a debugger
  97  * 2) Interrupts are turned off during ACPI register setup
  98  */
  99
 100 /*! [Begin] no source code translation  */
 101
 102 #ifndef __REACTOS__
 103 #ifdef ACPI_APPLICATION
 104 #define ACPI_FLUSH_CPU_CACHE()
 105 #else
 106 #define ACPI_FLUSH_CPU_CACHE()  __asm {WBINVD}
 107 #endif
 108 #endif /* __REACTOS__ */
 109
 110 #ifdef _DEBUG
 111 #define ACPI_SIMPLE_RETURN_MACROS
 112 #endif
 113
 114 /*! [End] no source code translation !*/
 115
 116 #ifndef __REACTOS__
 117 /*
 118  * Global Lock acquire/release code
 119  *
 120  * Note: Handles case where the FACS pointer is null
 121  */
 122 #define ACPI_ACQUIRE_GLOBAL_LOCK(FacsPtr, Acq)  __asm \
 123 {                                                   \
 124         __asm mov           eax, 0xFF               \
 125         __asm mov           ecx, FacsPtr            \
 126         __asm or            ecx, ecx                \
 127         __asm jz            exit_acq                \
 128         __asm lea           ecx, [ecx].GlobalLock   \
 129                                                     \
 130         __asm acq10:                                \
 131         __asm mov           eax, [ecx]              \
 132         __asm mov           edx, eax                \
 133         __asm and           edx, 0xFFFFFFFE         \
 134         __asm bts           edx, 1                  \
 135         __asm adc           edx, 0                  \
 136         __asm lock cmpxchg  dword ptr [ecx], edx    \
 137         __asm jnz           acq10                   \
 138                                                     \
 139         __asm cmp           dl, 3                   \
 140         __asm sbb           eax, eax                \
 141                                                     \
 142         __asm exit_acq:                             \
 143         __asm mov           Acq, al                 \
 144 }
 145
 146 #define ACPI_RELEASE_GLOBAL_LOCK(FacsPtr, Pnd) __asm \
 147 {                                                   \
 148         __asm xor           eax, eax                \
 149         __asm mov           ecx, FacsPtr            \
 150         __asm or            ecx, ecx                \
 151         __asm jz            exit_rel                \
 152         __asm lea           ecx, [ecx].GlobalLock   \
 153                                                     \
 154         __asm Rel10:                                \
 155         __asm mov           eax, [ecx]              \
 156         __asm mov           edx, eax                \
 157         __asm and           edx, 0xFFFFFFFC         \
 158         __asm lock cmpxchg  dword ptr [ecx], edx    \
 159         __asm jnz           Rel10                   \
 160                                                     \
 161         __asm cmp           dl, 3                   \
 162         __asm and           eax, 1                  \
 163                                                     \
 164         __asm exit_rel:                             \
 165         __asm mov           Pnd, al                 \
 166 }
 167 #endif /* __REACTOS__ */
 168
 169 #endif /* __ACWIN_H__ */