drivers/acpi/include/platform/acenv.h
/******************************************************************************
 *
 * Name: acenv.h - Host and compiler configuration
 *
 *****************************************************************************/

/******************************************************************************
 *
 * 1. Copyright Notice
 *
 * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
 * All rights reserved.
 *
 * 2. License
 *
 * 2.1. This is your license from Intel Corp. under its intellectual property
 * rights.  You may have additional license terms from the party that provided
 * you this software, covering your right to use that party's intellectual
 * property rights.
 *
 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
 * copy of the source code appearing in this file ("Covered Code") an
 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
 * base code distributed originally by Intel ("Original Intel Code") to copy,
 * make derivatives, distribute, use and display any portion of the Covered
 * Code in any form, with the right to sublicense such rights; and
 *
 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
 * license (with the right to sublicense), under only those claims of Intel
 * patents that are infringed by the Original Intel Code, to make, use, sell,
 * offer to sell, and import the Covered Code and derivative works thereof
 * solely to the minimum extent necessary to exercise the above copyright
 * license, and in no event shall the patent license extend to any additions
 * to or modifications of the Original Intel Code.  No other license or right
 * is granted directly or by implication, estoppel or otherwise;
 *
 * The above copyright and patent license is granted only if the following
 * conditions are met:
 *
 * 3. Conditions
 *
 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
 * Redistribution of source code of any substantial portion of the Covered
 * Code or modification with rights to further distribute source must include
 * the above Copyright Notice, the above License, this list of Conditions,
 * and the following Disclaimer and Export Compliance provision.  In addition,
 * Licensee must cause all Covered Code to which Licensee contributes to
 * contain a file documenting the changes Licensee made to create that Covered
 * Code and the date of any change.  Licensee must include in that file the
 * documentation of any changes made by any predecessor Licensee.  Licensee
 * must include a prominent statement that the modification is derived,
 * directly or indirectly, from Original Intel Code.
 *
 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
 * Redistribution of source code of any substantial portion of the Covered
 * Code or modification without rights to further distribute source must
 * include the following Disclaimer and Export Compliance provision in the
 * documentation and/or other materials provided with distribution.  In
 * addition, Licensee may not authorize further sublicense of source of any
 * portion of the Covered Code, and must include terms to the effect that the
 * license from Licensee to its licensee is limited to the intellectual
 * property embodied in the software Licensee provides to its licensee, and
 * not to intellectual property embodied in modifications its licensee may
 * make.
 *
 * 3.3. Redistribution of Executable. Redistribution in executable form of any
 * substantial portion of the Covered Code or modification must reproduce the
 * above Copyright Notice, and the following Disclaimer and Export Compliance
 * provision in the documentation and/or other materials provided with the
 * distribution.
 *
 * 3.4. Intel retains all right, title, and interest in and to the Original
 * Intel Code.
 *
 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
 * Intel shall be used in advertising or otherwise to promote the sale, use or
 * other dealings in products derived from or relating to the Covered Code
 * without prior written authorization from Intel.
 *
 * 4. Disclaimer and Export Compliance
 *
 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
 * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
 * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
 * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
 * PARTICULAR PURPOSE.
 *
 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
 * LIMITED REMEDY.
 *
 * 4.3. Licensee shall not export, either directly or indirectly, any of this
 * software or system incorporating such software without first obtaining any
 * required license or other approval from the U. S. Department of Commerce or
 * any other agency or department of the United States Government.  In the
 * event Licensee exports any such software from the United States or
 * re-exports any such software from a foreign destination, Licensee shall
 * ensure that the distribution and export/re-export of the software is in
 * compliance with all laws, regulations, orders, or other restrictions of the
 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
 * any of its subsidiaries will export/re-export any technical data, process,
 * software, or service, directly or indirectly, to any country for which the
 * United States government or any agency thereof requires an export license,
 * other governmental approval, or letter of assurance, without first obtaining
 * such license, approval or letter.
 *
 *****************************************************************************/

#ifndef __ACENV_H__
#define __ACENV_H__

/*
 * Environment configuration. The purpose of this file is to interface ACPICA
 * to the local environment. This includes compiler-specific, OS-specific,
 * and machine-specific configuration.
 */

/* Types for ACPI_MUTEX_TYPE */

#define ACPI_BINARY_SEMAPHORE       0
#define ACPI_OSL_MUTEX              1

/* Types for DEBUGGER_THREADING */

#define DEBUGGER_SINGLE_THREADED    0
#define DEBUGGER_MULTI_THREADED     1


/******************************************************************************
 *
 * Configuration for ACPI tools and utilities
 *
 *****************************************************************************/

/* iASL configuration */

#ifdef ACPI_ASL_COMPILER
#define ACPI_APPLICATION
#define ACPI_DISASSEMBLER
#define ACPI_DEBUG_OUTPUT
#define ACPI_CONSTANT_EVAL_ONLY
#define ACPI_LARGE_NAMESPACE_NODE
#define ACPI_DATA_TABLE_DISASSEMBLY
#endif

/* AcpiExec configuration */

#ifdef ACPI_EXEC_APP
#define ACPI_APPLICATION
#define ACPI_FULL_DEBUG
#define ACPI_MUTEX_DEBUG
#define ACPI_DBG_TRACK_ALLOCATIONS
#endif

/* Linkable ACPICA library */

#ifdef ACPI_LIBRARY
#define ACPI_USE_LOCAL_CACHE
#endif

/* Common for all ACPICA applications */

#ifdef ACPI_APPLICATION
#define ACPI_USE_SYSTEM_CLIBRARY
#define ACPI_USE_LOCAL_CACHE
#endif

/* Common debug support */

#ifdef ACPI_FULL_DEBUG
#define ACPI_DEBUGGER
#define ACPI_DEBUG_OUTPUT
#define ACPI_DISASSEMBLER
#endif


/*! [Begin] no source code translation */

/******************************************************************************
 *
 * Host configuration files. The compiler configuration files are included
 * by the host files.
 *
 *****************************************************************************/

#if defined(_MINIX) || defined(__minix)
#include "acminix.h"

#elif defined(_LINUX) || defined(__linux__)
#include "aclinux.h"

#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
#include "acfreebsd.h"

#elif defined(__NetBSD__)
#include "acnetbsd.h"

#elif defined(__sun)
#include "acsolaris.h"

#elif defined(MODESTO)
#include "acmodesto.h"

#elif defined(NETWARE)
#include "acnetware.h"

#elif defined(_CYGWIN)
#include "accygwin.h"

#elif defined(WIN32)
#include "acwin.h"

#elif defined(WIN64)
#include "acwin64.h"

#elif defined(_WRS_LIB_BUILD)
#include "acvxworks.h"

#elif defined(__OS2__)
#include "acos2.h"

#elif defined(_AED_EFI)
#include "acefi.h"

#else

/* Unknown environment */

#error Unknown target environment
#endif

/*! [End] no source code translation !*/


/******************************************************************************
 *
 * Setup defaults for the required symbols that were not defined in one of
 * the host/compiler files above.
 *
 *****************************************************************************/

/* 64-bit data types */

#ifndef COMPILER_DEPENDENT_INT64
#define COMPILER_DEPENDENT_INT64   long long
#endif

#ifndef COMPILER_DEPENDENT_UINT64
#define COMPILER_DEPENDENT_UINT64  unsigned long long
#endif

/* Type of mutex supported by host. Default is binary semaphores. */

#ifndef ACPI_MUTEX_TYPE
#define ACPI_MUTEX_TYPE             ACPI_BINARY_SEMAPHORE
#endif

/* Global Lock acquire/release */

#ifndef ACPI_ACQUIRE_GLOBAL_LOCK
#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acquired) Acquired = 1
#endif

#ifndef ACPI_RELEASE_GLOBAL_LOCK
#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Pending) Pending = 0
#endif

/* Flush CPU cache - used when going to sleep. Wbinvd or similar. */

#ifndef ACPI_FLUSH_CPU_CACHE
#define ACPI_FLUSH_CPU_CACHE()
#endif

/*
 * Configurable calling conventions:
 *
 * ACPI_SYSTEM_XFACE        - Interfaces to host OS (handlers, threads)
 * ACPI_EXTERNAL_XFACE      - External ACPI interfaces
 * ACPI_INTERNAL_XFACE      - Internal ACPI interfaces
 * ACPI_INTERNAL_VAR_XFACE  - Internal variable-parameter list interfaces
 */
#ifndef ACPI_SYSTEM_XFACE
#define ACPI_SYSTEM_XFACE
#endif

#ifndef ACPI_EXTERNAL_XFACE
#define ACPI_EXTERNAL_XFACE
#endif

#ifndef ACPI_INTERNAL_XFACE
#define ACPI_INTERNAL_XFACE
#endif

#ifndef ACPI_INTERNAL_VAR_XFACE
#define ACPI_INTERNAL_VAR_XFACE
#endif

/*
 * Debugger threading model
 * Use single threaded if the entire subsystem is contained in an application
 * Use multiple threaded when the subsystem is running in the kernel.
 *
 * By default the model is single threaded if ACPI_APPLICATION is set,
 * multi-threaded if ACPI_APPLICATION is not set.
 */
#ifndef DEBUGGER_THREADING
#ifdef ACPI_APPLICATION
#define DEBUGGER_THREADING          DEBUGGER_SINGLE_THREADED

#else
#define DEBUGGER_THREADING          DEBUGGER_MULTI_THREADED
#endif
#endif /* !DEBUGGER_THREADING */


/******************************************************************************
 *
 * C library configuration
 *
 *****************************************************************************/

/*
 * ACPI_USE_SYSTEM_CLIBRARY - Define this if linking to an actual C library.
 *      Otherwise, local versions of string/memory functions will be used.
 * ACPI_USE_STANDARD_HEADERS - Define this if linking to a C library and
 *      the standard header files may be used.
 *
 * The ACPICA subsystem only uses low level C library functions that do not call
 * operating system services and may therefore be inlined in the code.
 *
 * It may be necessary to tailor these include files to the target
 * generation environment.
 */
#ifdef ACPI_USE_SYSTEM_CLIBRARY

/* Use the standard C library headers. We want to keep these to a minimum */

#ifdef ACPI_USE_STANDARD_HEADERS

/* Use the standard headers from the standard locations */

#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>

#endif /* ACPI_USE_STANDARD_HEADERS */

/* We will be linking to the standard Clib functions */

#define ACPI_STRSTR(s1,s2)      strstr((s1), (s2))
#define ACPI_STRCHR(s1,c)       strchr((s1), (c))
#define ACPI_STRLEN(s)          (ACPI_SIZE) strlen((s))
#define ACPI_STRCPY(d,s)        (void) strcpy((d), (s))
#define ACPI_STRNCPY(d,s,n)     (void) strncpy((d), (s), (ACPI_SIZE)(n))
#define ACPI_STRNCMP(d,s,n)     strncmp((d), (s), (ACPI_SIZE)(n))
#define ACPI_STRCMP(d,s)        strcmp((d), (s))
#define ACPI_STRCAT(d,s)        (void) strcat((d), (s))
#define ACPI_STRNCAT(d,s,n)     strncat((d), (s), (ACPI_SIZE)(n))
#define ACPI_STRTOUL(d,s,n)     strtoul((d), (s), (ACPI_SIZE)(n))
#define ACPI_MEMCMP(s1,s2,n)    memcmp((const char *)(s1), (const char *)(s2), (ACPI_SIZE)(n))
#define ACPI_MEMCPY(d,s,n)      (void) memcpy((d), (s), (ACPI_SIZE)(n))
#define ACPI_MEMSET(d,s,n)      (void) memset((d), (s), (ACPI_SIZE)(n))
#define ACPI_TOUPPER(i)         toupper((int) (i))
#define ACPI_TOLOWER(i)         tolower((int) (i))
#define ACPI_IS_XDIGIT(i)       isxdigit((int) (i))
#define ACPI_IS_DIGIT(i)        isdigit((int) (i))
#define ACPI_IS_SPACE(i)        isspace((int) (i))
#define ACPI_IS_UPPER(i)        isupper((int) (i))
#define ACPI_IS_PRINT(i)        isprint((int) (i))
#define ACPI_IS_ALPHA(i)        isalpha((int) (i))

#else

/******************************************************************************
 *
 * Not using native C library, use local implementations
 *
 *****************************************************************************/

/*
 * Use local definitions of C library macros and functions. These function
 * implementations may not be as efficient as an inline or assembly code
 * implementation provided by a native C library, but they are functionally
 * equivalent.
 */
#ifndef va_arg

#ifndef _VALIST
#define _VALIST
typedef char *va_list;
#endif /* _VALIST */

/* Storage alignment properties */

#define  _AUPBND                (sizeof (ACPI_NATIVE_INT) - 1)
#define  _ADNBND                (sizeof (ACPI_NATIVE_INT) - 1)

/* Variable argument list macro definitions */

#define _Bnd(X, bnd)            (((sizeof (X)) + (bnd)) & (~(bnd)))
#define va_arg(ap, T)           (*(T *)(((ap) += (_Bnd (T, _AUPBND))) - (_Bnd (T,_ADNBND))))
#define va_end(ap)              (void) 0
#define va_start(ap, A)         (void) ((ap) = (((char *) &(A)) + (_Bnd (A,_AUPBND))))

#endif /* va_arg */

/* Use the local (ACPICA) definitions of the clib functions */

#define ACPI_STRSTR(s1,s2)      AcpiUtStrstr ((s1), (s2))
#define ACPI_STRCHR(s1,c)       AcpiUtStrchr ((s1), (c))
#define ACPI_STRLEN(s)          (ACPI_SIZE) AcpiUtStrlen ((s))
#define ACPI_STRCPY(d,s)        (void) AcpiUtStrcpy ((d), (s))
#define ACPI_STRNCPY(d,s,n)     (void) AcpiUtStrncpy ((d), (s), (ACPI_SIZE)(n))
#define ACPI_STRNCMP(d,s,n)     AcpiUtStrncmp ((d), (s), (ACPI_SIZE)(n))
#define ACPI_STRCMP(d,s)        AcpiUtStrcmp ((d), (s))
#define ACPI_STRCAT(d,s)        (void) AcpiUtStrcat ((d), (s))
#define ACPI_STRNCAT(d,s,n)     AcpiUtStrncat ((d), (s), (ACPI_SIZE)(n))
#define ACPI_STRTOUL(d,s,n)     AcpiUtStrtoul ((d), (s), (ACPI_SIZE)(n))
#define ACPI_MEMCMP(s1,s2,n)    AcpiUtMemcmp((const char *)(s1), (const char *)(s2), (ACPI_SIZE)(n))
#define ACPI_MEMCPY(d,s,n)      (void) AcpiUtMemcpy ((d), (s), (ACPI_SIZE)(n))
#define ACPI_MEMSET(d,v,n)      (void) AcpiUtMemset ((d), (v), (ACPI_SIZE)(n))
#define ACPI_TOUPPER(c)         AcpiUtToUpper ((int) (c))
#define ACPI_TOLOWER(c)         AcpiUtToLower ((int) (c))

#endif /* ACPI_USE_SYSTEM_CLIBRARY */

#endif /* __ACENV_H__ */
