Subversion Repositories Kolibri OS

Rev

Rev 1631 | Blame | Compare with Previous | Last modification | View Log | Download | RSS feed

  1. /******************************************************************************
  2.  *
  3.  *
  4.  *****************************************************************************/
  5.  
  6. /******************************************************************************
  7.  *
  8.  * 1. Copyright Notice
  9.  *
  10.  * Some or all of this work - Copyright (c) 1999 - 2005, Intel Corp.
  11.  * All rights reserved.
  12.  *
  13.  * 2. License
  14.  *
  15.  * 2.1. This is your license from Intel Corp. under its intellectual property
  16.  * rights.  You may have additional license terms from the party that provided
  17.  * you this software, covering your right to use that party's intellectual
  18.  * property rights.
  19.  *
  20.  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
  21.  * copy of the source code appearing in this file ("Covered Code") an
  22.  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
  23.  * base code distributed originally by Intel ("Original Intel Code") to copy,
  24.  * make derivatives, distribute, use and display any portion of the Covered
  25.  * Code in any form, with the right to sublicense such rights; and
  26.  *
  27.  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
  28.  * license (with the right to sublicense), under only those claims of Intel
  29.  * patents that are infringed by the Original Intel Code, to make, use, sell,
  30.  * offer to sell, and import the Covered Code and derivative works thereof
  31.  * solely to the minimum extent necessary to exercise the above copyright
  32.  * license, and in no event shall the patent license extend to any additions
  33.  * to or modifications of the Original Intel Code.  No other license or right
  34.  * is granted directly or by implication, estoppel or otherwise;
  35.  *
  36.  * The above copyright and patent license is granted only if the following
  37.  * conditions are met:
  38.  *
  39.  * 3. Conditions
  40.  *
  41.  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
  42.  * Redistribution of source code of any substantial portion of the Covered
  43.  * Code or modification with rights to further distribute source must include
  44.  * the above Copyright Notice, the above License, this list of Conditions,
  45.  * and the following Disclaimer and Export Compliance provision.  In addition,
  46.  * Licensee must cause all Covered Code to which Licensee contributes to
  47.  * contain a file documenting the changes Licensee made to create that Covered
  48.  * Code and the date of any change.  Licensee must include in that file the
  49.  * documentation of any changes made by any predecessor Licensee.  Licensee
  50.  * must include a prominent statement that the modification is derived,
  51.  * directly or indirectly, from Original Intel Code.
  52.  *
  53.  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
  54.  * Redistribution of source code of any substantial portion of the Covered
  55.  * Code or modification without rights to further distribute source must
  56.  * include the following Disclaimer and Export Compliance provision in the
  57.  * documentation and/or other materials provided with distribution.  In
  58.  * addition, Licensee may not authorize further sublicense of source of any
  59.  * portion of the Covered Code, and must include terms to the effect that the
  60.  * license from Licensee to its licensee is limited to the intellectual
  61.  * property embodied in the software Licensee provides to its licensee, and
  62.  * not to intellectual property embodied in modifications its licensee may
  63.  * make.
  64.  *
  65.  * 3.3. Redistribution of Executable. Redistribution in executable form of any
  66.  * substantial portion of the Covered Code or modification must reproduce the
  67.  * above Copyright Notice, and the following Disclaimer and Export Compliance
  68.  * provision in the documentation and/or other materials provided with the
  69.  * distribution.
  70.  *
  71.  * 3.4. Intel retains all right, title, and interest in and to the Original
  72.  * Intel Code.
  73.  *
  74.  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
  75.  * Intel shall be used in advertising or otherwise to promote the sale, use or
  76.  * other dealings in products derived from or relating to the Covered Code
  77.  * without prior written authorization from Intel.
  78.  *
  79.  * 4. Disclaimer and Export Compliance
  80.  *
  81.  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
  82.  * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
  83.  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
  84.  * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
  85.  * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
  86.  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
  87.  * PARTICULAR PURPOSE.
  88.  *
  89.  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
  90.  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
  91.  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
  92.  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
  93.  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
  94.  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
  95.  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
  96.  * LIMITED REMEDY.
  97.  *
  98.  * 4.3. Licensee shall not export, either directly or indirectly, any of this
  99.  * software or system incorporating such software without first obtaining any
  100.  * required license or other approval from the U. S. Department of Commerce or
  101.  * any other agency or department of the United States Government.  In the
  102.  * event Licensee exports any such software from the United States or
  103.  * re-exports any such software from a foreign destination, Licensee shall
  104.  * ensure that the distribution and export/re-export of the software is in
  105.  * compliance with all laws, regulations, orders, or other restrictions of the
  106.  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
  107.  * any of its subsidiaries will export/re-export any technical data, process,
  108.  * software, or service, directly or indirectly, to any country for which the
  109.  * United States government or any agency thereof requires an export license,
  110.  * other governmental approval, or letter of assurance, without first obtaining
  111.  * such license, approval or letter.
  112.  *
  113.  *****************************************************************************/
  114.  
  115. #include "acgcc.h"
  116.  
  117.  
  118. #include <linux/string.h>
  119. #include <linux/kernel.h>
  120. #include <linux/module.h>
  121. #include <asm/atomic.h>
  122. #include <linux/errno.h>
  123. #include <ddk.h>
  124. #include <linux/pci.h>
  125. #include <syscall.h>
  126.  
  127. #define ACPI_MACHINE_WIDTH          32
  128.  
  129. #define COMPILER_DEPENDENT_INT64    long long
  130. #define COMPILER_DEPENDENT_UINT64   unsigned long long
  131.  
  132. #define asm         __asm__
  133.  
  134. #define ACPI_USE_DO_WHILE_0
  135.  
  136. #define ACPI_USE_NATIVE_DIVIDE
  137.  
  138. #define ACPI_ASM_MACROS         /* tell acenv.h */
  139.  
  140.  
  141. #define ACPI_FLUSH_CPU_CACHE() __asm__ __volatile__("wbinvd");
  142.  
  143. /* The following Global Lock code stolen from NetBSD
  144.    src/sys/arch/i386/include/acpi_func.h which in turn
  145.    was stolen from Intel's spec document */
  146.  
  147. #define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \
  148. do { \
  149.     __asm__ __volatile__( \
  150.         "1:     movl %1,%%eax           ;" \
  151.         "       movl %%eax,%%edx        ;" \
  152.         "       andl %2,%%edx           ;" \
  153.         "       btsl $0x1,%%edx         ;" \
  154.         "       adcl $0x0,%%edx         ;" \
  155.         "       lock                    ;" \
  156.         "       cmpxchgl %%edx,%1       ;" \
  157.         "       jnz 1b                  ;" \
  158.         "       andb $0x3,%%dl          ;" \
  159.         "       cmpb $0x3,%%dl          ;" \
  160.         "       sbbl %%eax,%%eax        ;" \
  161.         : "=&a" (Acq), "+m" (*GLptr) \
  162.         : "i" (~1L) \
  163.         : "edx"); \
  164. } while (0)
  165.  
  166. #define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \
  167. do { \
  168.         __asm __volatile( \
  169.         "1:     movl %1,%%eax           ;" \
  170.         "       andl %2,%%edx           ;" \
  171.         "       lock                    ;" \
  172.         "       cmpxchgl %%edx,%1       ;" \
  173.         "       jnz 1b                  ;" \
  174.         "       andl $0x1,%%eax         ;" \
  175.         : "=&a" (Acq), "+m" (*GLptr) \
  176.         : "i" (~3L) \
  177.         : "edx"); \
  178. } while (0)
  179.  
  180.