reactos/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 - 2016, 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
  52 #ifdef ACPI_DEFINE_ALTERNATE_TYPES
  53 /*
  54  * Types used only in (Linux) translated source, defined here to enable
  55  * cross-platform compilation (i.e., generate the Linux code on Windows,
  56  * for test purposes only)
  57  */
  58 typedef int                             s32;
  59 typedef unsigned char                   u8;
  60 typedef unsigned short                  u16;
  61 typedef unsigned int                    u32;
  62 typedef COMPILER_DEPENDENT_UINT64       u64;
  63 #endif
  64
  65
  66 /*
  67  * Handle platform- and compiler-specific assembly language differences.
  68  *
  69  * Notes:
  70  * 1) Interrupt 3 is used to break into a debugger
  71  * 2) Interrupts are turned off during ACPI register setup
  72  */
  73
  74 /*! [Begin] no source code translation  */
  75
  76 #ifndef __REACTOS__
  77 #ifdef ACPI_APPLICATION
  78 #define ACPI_FLUSH_CPU_CACHE()
  79 #else
  80 #define ACPI_FLUSH_CPU_CACHE()  __asm {WBINVD}
  81 #endif
  82 #endif /* __REACTOS__ */
  83
  84 #ifdef _DEBUG
  85 #define ACPI_SIMPLE_RETURN_MACROS
  86 #endif
  87
  88 /*! [End] no source code translation !*/
  89
  90 #ifndef __REACTOS__
  91 /*
  92  * Global Lock acquire/release code
  93  *
  94  * Note: Handles case where the FACS pointer is null
  95  */
  96 #define ACPI_ACQUIRE_GLOBAL_LOCK(FacsPtr, Acq)  __asm \
  97 {                                                   \
  98         __asm mov           eax, 0xFF               \
  99         __asm mov           ecx, FacsPtr            \
 100         __asm or            ecx, ecx                \
 101         __asm jz            exit_acq                \
 102         __asm lea           ecx, [ecx].GlobalLock   \
 103                                                     \
 104         __asm acq10:                                \
 105         __asm mov           eax, [ecx]              \
 106         __asm mov           edx, eax                \
 107         __asm and           edx, 0xFFFFFFFE         \
 108         __asm bts           edx, 1                  \
 109         __asm adc           edx, 0                  \
 110         __asm lock cmpxchg  dword ptr [ecx], edx    \
 111         __asm jnz           acq10                   \
 112                                                     \
 113         __asm cmp           dl, 3                   \
 114         __asm sbb           eax, eax                \
 115                                                     \
 116         __asm exit_acq:                             \
 117         __asm mov           Acq, al                 \
 118 }
 119
 120 #define ACPI_RELEASE_GLOBAL_LOCK(FacsPtr, Pnd) __asm \
 121 {                                                   \
 122         __asm xor           eax, eax                \
 123         __asm mov           ecx, FacsPtr            \
 124         __asm or            ecx, ecx                \
 125         __asm jz            exit_rel                \
 126         __asm lea           ecx, [ecx].GlobalLock   \
 127                                                     \
 128         __asm Rel10:                                \
 129         __asm mov           eax, [ecx]              \
 130         __asm mov           edx, eax                \
 131         __asm and           edx, 0xFFFFFFFC         \
 132         __asm lock cmpxchg  dword ptr [ecx], edx    \
 133         __asm jnz           Rel10                   \
 134                                                     \
 135         __asm cmp           dl, 3                   \
 136         __asm and           eax, 1                  \
 137                                                     \
 138         __asm exit_rel:                             \
 139         __asm mov           Pnd, al                 \
 140 }
 141 #endif /* __REACTOS__ */
 142
 143 #endif /* __ACWIN_H__ */