third_party/lib/acpica/source/include/acpica/platform/acefi.h - zircon - Git at Google

 /******************************************************************************
  *
  * Name: acefi.h - OS specific defines, etc.
  *
  *****************************************************************************/

 /*
  * Copyright (C) 2000 - 2016, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions, and the following disclaimer,
  *    without modification.
  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  *    substantially similar to the "NO WARRANTY" disclaimer below
  *    ("Disclaimer") and any redistribution must be conditioned upon
  *    including a substantially similar Disclaimer requirement for further
  *    binary redistribution.
  * 3. Neither the names of the above-listed copyright holders nor the names
  *    of any contributors may be used to endorse or promote products derived
  *    from this software without specific prior written permission.
  *
  * Alternatively, this software may be distributed under the terms of the
  * GNU General Public License ("GPL") version 2 as published by the Free
  * Software Foundation.
  *
  * NO WARRANTY
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGES.
  */

 #ifndef __ACEFI_H__
 #define __ACEFI_H__

 #include <stdarg.h>
 #if defined(_GNU_EFI)
 #include <stdint.h>
 #include <unistd.h>
 #endif

 #if defined(__x86_64__)
 #if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7))
 #define USE_MS_ABI 1
 #endif
 #endif

 #ifdef _MSC_EXTENSIONS
 #define EFIAPI __cdecl
 #elif USE_MS_ABI
 #define EFIAPI __attribute__((ms_abi))
 #else
 #define EFIAPI
 #endif

 typedef uint8_t     UINT8;
 typedef uint16_t    UINT16;
 typedef int16_t     INT16;
 typedef uint32_t    UINT32;
 typedef int32_t     INT32;
 typedef uint64_t    UINT64;
 typedef int64_t     INT64;
 typedef uint8_t     BOOLEAN;
 typedef uint16_t    CHAR16;

 #define VOID        void

 #if defined(__ia64__) || defined(__x86_64__)

 #define ACPI_MACHINE_WIDTH          64

 #if defined(__x86_64__)

 /* for x86_64, EFI_FUNCTION_WRAPPER must be defined */

 #ifndef USE_MS_ABI
 #define USE_EFI_FUNCTION_WRAPPER
 #endif

 #ifdef _MSC_EXTENSIONS
 #pragma warning ( disable : 4731 )  /* Suppress warnings about modification of EBP */
 #endif

 #endif

 typedef uint64_t    UINTN;
 typedef int64_t     INTN;

 #define EFIERR(a)           (0x8000000000000000 | a)

 #else

 #define ACPI_MACHINE_WIDTH          32
 #define ACPI_USE_NATIVE_DIVIDE

 typedef uint32_t UINTN;
 typedef int32_t INTN;

 #define EFIERR(a)           (0x80000000 | a)

 #endif


 #ifdef USE_EFI_FUNCTION_WRAPPER
 #define __VA_NARG__(...)                        \
   __VA_NARG_(_0, ## __VA_ARGS__, __RSEQ_N())
 #define __VA_NARG_(...)                         \
   __VA_ARG_N(__VA_ARGS__)
 #define __VA_ARG_N(                             \
   _0,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,N,...) N
 #define __RSEQ_N()                              \
   10, 9,  8,  7,  6,  5,  4,  3,  2,  1,  0

 #define __VA_ARG_NSUFFIX__(prefix,...)                  \
   __VA_ARG_NSUFFIX_N(prefix, __VA_NARG__(__VA_ARGS__))
 #define __VA_ARG_NSUFFIX_N(prefix,nargs)        \
   __VA_ARG_NSUFFIX_N_(prefix, nargs)
 #define __VA_ARG_NSUFFIX_N_(prefix,nargs)       \
   prefix ## nargs

 /* Prototypes of EFI cdecl -> stdcall trampolines */

 UINT64 efi_call0(void *func);
 UINT64 efi_call1(void *func, UINT64 arg1);
 UINT64 efi_call2(void *func, UINT64 arg1, UINT64 arg2);
 UINT64 efi_call3(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3);
 UINT64 efi_call4(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
                  UINT64 arg4);
 UINT64 efi_call5(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
                  UINT64 arg4, UINT64 arg5);
 UINT64 efi_call6(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
                  UINT64 arg4, UINT64 arg5, UINT64 arg6);
 UINT64 efi_call7(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
                  UINT64 arg4, UINT64 arg5, UINT64 arg6, UINT64 arg7);
 UINT64 efi_call8(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
                  UINT64 arg4, UINT64 arg5, UINT64 arg6, UINT64 arg7,
                  UINT64 arg8);
 UINT64 efi_call9(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
                  UINT64 arg4, UINT64 arg5, UINT64 arg6, UINT64 arg7,
                  UINT64 arg8, UINT64 arg9);
 UINT64 efi_call10(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
                   UINT64 arg4, UINT64 arg5, UINT64 arg6, UINT64 arg7,
                   UINT64 arg8, UINT64 arg9, UINT64 arg10);

 /* Front-ends to efi_callX to avoid compiler warnings */

 #define _cast64_efi_call0(f) \
   efi_call0(f)
 #define _cast64_efi_call1(f,a1) \
   efi_call1(f, (UINT64)(a1))
 #define _cast64_efi_call2(f,a1,a2) \
   efi_call2(f, (UINT64)(a1), (UINT64)(a2))
 #define _cast64_efi_call3(f,a1,a2,a3) \
   efi_call3(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3))
 #define _cast64_efi_call4(f,a1,a2,a3,a4) \
   efi_call4(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4))
 #define _cast64_efi_call5(f,a1,a2,a3,a4,a5) \
   efi_call5(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
             (UINT64)(a5))
 #define _cast64_efi_call6(f,a1,a2,a3,a4,a5,a6) \
   efi_call6(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
             (UINT64)(a5), (UINT64)(a6))
 #define _cast64_efi_call7(f,a1,a2,a3,a4,a5,a6,a7) \
   efi_call7(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
             (UINT64)(a5), (UINT64)(a6), (UINT64)(a7))
 #define _cast64_efi_call8(f,a1,a2,a3,a4,a5,a6,a7,a8) \
   efi_call8(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
             (UINT64)(a5), (UINT64)(a6), (UINT64)(a7), (UINT64)(a8))
 #define _cast64_efi_call9(f,a1,a2,a3,a4,a5,a6,a7,a8,a9) \
   efi_call9(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
             (UINT64)(a5), (UINT64)(a6), (UINT64)(a7), (UINT64)(a8), \
             (UINT64)(a9))
 #define _cast64_efi_call10(f,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10) \
   efi_call10(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
              (UINT64)(a5), (UINT64)(a6), (UINT64)(a7), (UINT64)(a8), \
              (UINT64)(a9), (UINT64)(a10))

 /* main wrapper (va_num ignored) */

 #define uefi_call_wrapper(func,va_num,...)                        \
   __VA_ARG_NSUFFIX__(_cast64_efi_call, __VA_ARGS__) (func , ##__VA_ARGS__)

 #else

 #define uefi_call_wrapper(func, va_num, ...) func(__VA_ARGS__)

 #endif

 /* AED EFI definitions */

 #if defined(_AED_EFI)

 /* _int64 works for both IA32 and IA64 */

 #define COMPILER_DEPENDENT_INT64   __int64
 #define COMPILER_DEPENDENT_UINT64  unsigned __int64

 /*
  * 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
  */
 #define ACPI_SYSTEM_XFACE
 #define ACPI_EXTERNAL_XFACE
 #define ACPI_INTERNAL_XFACE
 #define ACPI_INTERNAL_VAR_XFACE

 /* warn C4142: redefinition of type */

 #pragma warning(disable:4142)

 #endif


 /* GNU EFI definitions */

 #if defined(_GNU_EFI)

 /* Using GCC for GNU EFI */

 #include "acgcc.h"

 #undef ACPI_USE_SYSTEM_CLIBRARY
 #undef ACPI_USE_STANDARD_HEADERS
 #undef ACPI_USE_NATIVE_DIVIDE
 #define ACPI_USE_SYSTEM_INTTYPES

 /*
  * Math helpers
  */
 #define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \
     do {                                             \
         UINT64 __n = ((UINT64) n_hi) << 32 | (n_lo); \
         (q32) = DivU64x32 ((__n), (d32), &(r32));    \
     } while (0)

 #define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \
     do {                                \
         (n_lo) >>= 1;                   \
         (n_lo) |= (((n_hi) & 1) << 31); \
         (n_hi) >>= 1;                   \
     } while (0)


 #endif

 struct _SIMPLE_TEXT_OUTPUT_INTERFACE;
 struct _SIMPLE_INPUT_INTERFACE;
 struct _EFI_FILE_IO_INTERFACE;
 struct _EFI_FILE_HANDLE;
 struct _EFI_BOOT_SERVICES;
 struct _EFI_SYSTEM_TABLE;

 extern struct _EFI_SYSTEM_TABLE         *ST;
 extern struct _EFI_BOOT_SERVICES        *BS;

 #define ACPI_FILE           struct _SIMPLE_TEXT_OUTPUT_INTERFACE *
 #define ACPI_FILE_OUT       ST->ConOut
 #define ACPI_FILE_ERR       ST->ConOut

 #endif /* __ACEFI_H__ */
	/******************************************************************************
	*
	* Name: acefi.h - OS specific defines, etc.
	*
	*****************************************************************************/

	/*
	* Copyright (C) 2000 - 2016, Intel Corp.
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions, and the following disclaimer,
	* without modification.
	* 2. Redistributions in binary form must reproduce at minimum a disclaimer
	* substantially similar to the "NO WARRANTY" disclaimer below
	* ("Disclaimer") and any redistribution must be conditioned upon
	* including a substantially similar Disclaimer requirement for further
	* binary redistribution.
	* 3. Neither the names of the above-listed copyright holders nor the names
	* of any contributors may be used to endorse or promote products derived
	* from this software without specific prior written permission.
	*
	* Alternatively, this software may be distributed under the terms of the
	* GNU General Public License ("GPL") version 2 as published by the Free
	* Software Foundation.
	*
	* NO WARRANTY
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	* POSSIBILITY OF SUCH DAMAGES.
	*/

	#ifndef __ACEFI_H__
	#define __ACEFI_H__

	#include <stdarg.h>
	#if defined(_GNU_EFI)
	#include <stdint.h>
	#include <unistd.h>
	#endif

	#if defined(__x86_64__)
	#if defined(__GNUC__) && (__GNUC__ > 4 \|\| (__GNUC__ == 4 && __GNUC_MINOR__ >= 7))
	#define USE_MS_ABI 1
	#endif
	#endif

	#ifdef _MSC_EXTENSIONS
	#define EFIAPI __cdecl
	#elif USE_MS_ABI
	#define EFIAPI __attribute__((ms_abi))
	#else
	#define EFIAPI
	#endif

	typedef uint8_t UINT8;
	typedef uint16_t UINT16;
	typedef int16_t INT16;
	typedef uint32_t UINT32;
	typedef int32_t INT32;
	typedef uint64_t UINT64;
	typedef int64_t INT64;
	typedef uint8_t BOOLEAN;
	typedef uint16_t CHAR16;

	#define VOID void

	#if defined(__ia64__) \|\| defined(__x86_64__)

	#define ACPI_MACHINE_WIDTH 64

	#if defined(__x86_64__)

	/* for x86_64, EFI_FUNCTION_WRAPPER must be defined */

	#ifndef USE_MS_ABI
	#define USE_EFI_FUNCTION_WRAPPER
	#endif

	#ifdef _MSC_EXTENSIONS
	#pragma warning ( disable : 4731 ) /* Suppress warnings about modification of EBP */
	#endif

	#endif

	typedef uint64_t UINTN;
	typedef int64_t INTN;

	#define EFIERR(a) (0x8000000000000000 \| a)

	#else

	#define ACPI_MACHINE_WIDTH 32
	#define ACPI_USE_NATIVE_DIVIDE

	typedef uint32_t UINTN;
	typedef int32_t INTN;

	#define EFIERR(a) (0x80000000 \| a)

	#endif


	#ifdef USE_EFI_FUNCTION_WRAPPER
	#define __VA_NARG__(...) \
	__VA_NARG_(_0, ## __VA_ARGS__, __RSEQ_N())
	#define __VA_NARG_(...) \
	__VA_ARG_N(__VA_ARGS__)
	#define __VA_ARG_N( \
	_0,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,N,...) N
	#define __RSEQ_N() \
	10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0

	#define __VA_ARG_NSUFFIX__(prefix,...) \
	__VA_ARG_NSUFFIX_N(prefix, __VA_NARG__(__VA_ARGS__))
	#define __VA_ARG_NSUFFIX_N(prefix,nargs) \
	__VA_ARG_NSUFFIX_N_(prefix, nargs)
	#define __VA_ARG_NSUFFIX_N_(prefix,nargs) \
	prefix ## nargs

	/* Prototypes of EFI cdecl -> stdcall trampolines */

	UINT64 efi_call0(void *func);
	UINT64 efi_call1(void *func, UINT64 arg1);
	UINT64 efi_call2(void *func, UINT64 arg1, UINT64 arg2);
	UINT64 efi_call3(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3);
	UINT64 efi_call4(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
	UINT64 arg4);
	UINT64 efi_call5(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
	UINT64 arg4, UINT64 arg5);
	UINT64 efi_call6(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
	UINT64 arg4, UINT64 arg5, UINT64 arg6);
	UINT64 efi_call7(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
	UINT64 arg4, UINT64 arg5, UINT64 arg6, UINT64 arg7);
	UINT64 efi_call8(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
	UINT64 arg4, UINT64 arg5, UINT64 arg6, UINT64 arg7,
	UINT64 arg8);
	UINT64 efi_call9(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
	UINT64 arg4, UINT64 arg5, UINT64 arg6, UINT64 arg7,
	UINT64 arg8, UINT64 arg9);
	UINT64 efi_call10(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
	UINT64 arg4, UINT64 arg5, UINT64 arg6, UINT64 arg7,
	UINT64 arg8, UINT64 arg9, UINT64 arg10);

	/* Front-ends to efi_callX to avoid compiler warnings */

	#define _cast64_efi_call0(f) \
	efi_call0(f)
	#define _cast64_efi_call1(f,a1) \
	efi_call1(f, (UINT64)(a1))
	#define _cast64_efi_call2(f,a1,a2) \
	efi_call2(f, (UINT64)(a1), (UINT64)(a2))
	#define _cast64_efi_call3(f,a1,a2,a3) \
	efi_call3(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3))
	#define _cast64_efi_call4(f,a1,a2,a3,a4) \
	efi_call4(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4))
	#define _cast64_efi_call5(f,a1,a2,a3,a4,a5) \
	efi_call5(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
	(UINT64)(a5))
	#define _cast64_efi_call6(f,a1,a2,a3,a4,a5,a6) \
	efi_call6(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
	(UINT64)(a5), (UINT64)(a6))
	#define _cast64_efi_call7(f,a1,a2,a3,a4,a5,a6,a7) \
	efi_call7(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
	(UINT64)(a5), (UINT64)(a6), (UINT64)(a7))
	#define _cast64_efi_call8(f,a1,a2,a3,a4,a5,a6,a7,a8) \
	efi_call8(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
	(UINT64)(a5), (UINT64)(a6), (UINT64)(a7), (UINT64)(a8))
	#define _cast64_efi_call9(f,a1,a2,a3,a4,a5,a6,a7,a8,a9) \
	efi_call9(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
	(UINT64)(a5), (UINT64)(a6), (UINT64)(a7), (UINT64)(a8), \
	(UINT64)(a9))
	#define _cast64_efi_call10(f,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10) \
	efi_call10(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
	(UINT64)(a5), (UINT64)(a6), (UINT64)(a7), (UINT64)(a8), \
	(UINT64)(a9), (UINT64)(a10))

	/* main wrapper (va_num ignored) */

	#define uefi_call_wrapper(func,va_num,...) \
	__VA_ARG_NSUFFIX__(_cast64_efi_call, __VA_ARGS__) (func , ##__VA_ARGS__)

	#else

	#define uefi_call_wrapper(func, va_num, ...) func(__VA_ARGS__)

	#endif

	/* AED EFI definitions */

	#if defined(_AED_EFI)

	/* _int64 works for both IA32 and IA64 */

	#define COMPILER_DEPENDENT_INT64 __int64
	#define COMPILER_DEPENDENT_UINT64 unsigned __int64

	/*
	* 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
	*/
	#define ACPI_SYSTEM_XFACE
	#define ACPI_EXTERNAL_XFACE
	#define ACPI_INTERNAL_XFACE
	#define ACPI_INTERNAL_VAR_XFACE

	/* warn C4142: redefinition of type */

	#pragma warning(disable:4142)

	#endif


	/* GNU EFI definitions */

	#if defined(_GNU_EFI)

	/* Using GCC for GNU EFI */

	#include "acgcc.h"

	#undef ACPI_USE_SYSTEM_CLIBRARY
	#undef ACPI_USE_STANDARD_HEADERS
	#undef ACPI_USE_NATIVE_DIVIDE
	#define ACPI_USE_SYSTEM_INTTYPES

	/*
	* Math helpers
	*/
	#define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \
	do { \
	UINT64 __n = ((UINT64) n_hi) << 32 \| (n_lo); \
	(q32) = DivU64x32 ((__n), (d32), &(r32)); \
	} while (0)

	#define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \
	do { \
	(n_lo) >>= 1; \
	(n_lo) \|= (((n_hi) & 1) << 31); \
	(n_hi) >>= 1; \
	} while (0)


	#endif

	struct _SIMPLE_TEXT_OUTPUT_INTERFACE;
	struct _SIMPLE_INPUT_INTERFACE;
	struct _EFI_FILE_IO_INTERFACE;
	struct _EFI_FILE_HANDLE;
	struct _EFI_BOOT_SERVICES;
	struct _EFI_SYSTEM_TABLE;

	extern struct _EFI_SYSTEM_TABLE *ST;
	extern struct _EFI_BOOT_SERVICES *BS;

	#define ACPI_FILE struct _SIMPLE_TEXT_OUTPUT_INTERFACE *
	#define ACPI_FILE_OUT ST->ConOut
	#define ACPI_FILE_ERR ST->ConOut

	#endif /* __ACEFI_H__ */