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/** @file
This file defines SMM Thunk abstraction protocol.
@copyright
Copyright (c) 1999 - 2012 Intel Corporation. All rights reserved
This software and associated documentation (if any) is furnished
under a license and may only be used or copied in accordance
with the terms of the license. Except as permitted by such
license, no part of this software or documentation may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means without the express written consent of
Intel Corporation.
This file contains an 'Intel Peripheral Driver' and is
licensed for Intel CPUs and chipsets under the terms of your
license agreement with Intel or your vendor. This file may
be modified by the user, subject to additional terms of the
license agreement
**/
#ifndef _SMM_THUNK_H_
#define _SMM_THUNK_H_
EFI_FORWARD_DECLARATION (EFI_SMM_THUNK_PROTOCOL);
///
/// include LegacyBios Protocol for IA32_REGISTER_SET
///
#include EFI_PROTOCOL_DEFINITION (LegacyBios)
#define EFI_SMM_THUNK_PROTOCOL_GUID \
{ \
0x2a82fce6, 0x8bb6, 0x413e, 0xb9, 0xeb, 0x45, 0xdf, 0xc0, 0x52, 0x2d, 0xf3 \
}
typedef
BOOLEAN
(EFIAPI *EFI_SMM_FARCALL86)(
IN EFI_SMM_THUNK_PROTOCOL *This,
IN UINT16 Segment,
IN UINT16 Offset,
IN OUT EFI_IA32_REGISTER_SET *Regs OPTIONAL,
IN VOID *Stack OPTIONAL,
IN UINTN StackSize
);
typedef
BOOLEAN
(EFIAPI *EFI_SMM_INTCALL86)(
IN EFI_SMM_THUNK_PROTOCOL *This,
IN UINT16 Segment,
IN UINT16 Offset,
IN OUT EFI_IA32_REGISTER_SET *Regs OPTIONAL,
IN VOID *Stack OPTIONAL,
IN UINTN StackSize
);
struct _EFI_SMM_THUNK_PROTOCOL {
EFI_SMM_FARCALL86 FarCall86;
EFI_SMM_INTCALL86 IntCall86;
};
extern EFI_GUID gEfiSmmThunkProtocolGuid;
#endif
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