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__ */ 147