freebsd-dev/source/include/platform/acefi.h
2016-01-11 22:10:31 +00:00

276 lines
8.9 KiB
C

/******************************************************************************
*
* 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__ */