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Diffstat (limited to 'Include/Protocol/SmmThunk.h')
| -rw-r--r-- | Include/Protocol/SmmThunk.h | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/Include/Protocol/SmmThunk.h b/Include/Protocol/SmmThunk.h new file mode 100644 index 0000000..d52782e --- /dev/null +++ b/Include/Protocol/SmmThunk.h @@ -0,0 +1,252 @@ +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2009, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* + +//********************************************************************** +// $Header: /Alaska/SOURCE/Modules/SMM/SmmThunk.h 5 7/08/09 8:02p Markw $ +// +// $Revision: 5 $ +// +// $Date: 7/08/09 8:02p $ +//***************************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/SMM/SmmThunk.h $ +// +// 5 7/08/09 8:02p Markw +// Update headers. +// +// 4 5/21/09 9:52a Markw +// Added comments for the FarCall86 and FarCall86Ex may be used to do INT +// XX calls. +// +// 3 3/03/08 6:35p Markw +// Added 32-bit register for smm thunk. +// +// 2 10/29/07 11:00a Markw +// Update register name. It was the same as CSM, which caused a symbol +// redefintion when CSM headers are used with this header. +// +// 1 3/18/07 1:54p Markw +// +//***************************************************************************** +//<AMI_FHDR_START> +// +// Name: SmmThunk.h +// +// Description: This file is an include file used to define the Protocol for the +// SMM Thunk Protocol. +// +//<AMI_FHDR_END> +//***************************************************************************** +#ifndef __SMM_THUNK_PROTOCOL_H__ +#define __SMM_THUNK_PROTOCOL_H__ +#ifdef __cplusplus +extern "C" { +#endif +#include <EFI.h> + +#define EFI_SMM_THUNK_PROTOCOL_GUID \ + {0x2a82fce6,0x8bb6,0x413e,0xb9,0xeb,0x45,0xdf,0xc0,0x52,0x2d,0xf3} + +GUID_VARIABLE_DECLARATION(gEfiSmmThunkProtocolGuid,EFI_SMM_THUNK_PROTOCOL_GUID); + +typedef struct _EFI_SMM_THUNK_PROTOCOL EFI_SMM_THUNK_PROTOCOL; + +// +// SMM Thunk specification constant and types +// + +typedef struct { + UINT16 CF:1; + UINT16 Reserved1:1; + UINT16 PF:1; + UINT16 Reserved2:1; + UINT16 AF:1; + UINT16 Reserved3:1; + UINT16 ZF:1; + UINT16 SF:1; + UINT16 TF:1; + UINT16 IF:1; + UINT16 DF:1; + UINT16 OF:1; + UINT16 IOPL:2; + UINT16 NT:1; + UINT16 Reserved4:1; +} SMM_THUNK_FLAGS_REG; + +typedef struct { + UINT16 AX; + UINT16 BX; + UINT16 CX; + UINT16 DX; + UINT16 SI; + UINT16 DI; + SMM_THUNK_FLAGS_REG Flags; + UINT16 ES; + UINT16 CS; + UINT16 SS; + UINT16 DS; + UINT16 BP; +} SMM_THUNK_WORD_REGS; + +typedef struct { + UINT8 AL, AH; + UINT8 BL, BH; + UINT8 CL, CH; + UINT8 DL, DH; +} SMM_THUNK_BYTE_REGS; + +typedef union { + SMM_THUNK_WORD_REGS X; + SMM_THUNK_BYTE_REGS H; +} SMM_THUNK_IA32_REGISTER_SET; + +typedef struct { + UINT32 CF:1; + UINT32 Reserved1:1; + UINT32 PF:1; + UINT32 Reserved2:1; + UINT32 AF:1; + UINT32 Reserved3:1; + UINT32 ZF:1; + UINT32 SF:1; + UINT32 TF:1; + UINT32 IF:1; + UINT32 DF:1; + UINT32 OF:1; + UINT32 IOPL:2; + UINT32 NT:1; + UINT32 Reserved4:1; + UINT32 RF:1; + UINT32 VM:1; + UINT32 AC:1; + UINT32 VIF:1; + UINT32 VIP:1; + UINT32 ID:1; + UINT32 Reserved5:10; +} SMM_THUNK_FLAGS_REG_EX; + +typedef struct { + UINT32 EAX; + UINT32 EBX; + UINT32 ECX; + UINT32 EDX; + UINT32 ESI; + UINT32 EDI; + SMM_THUNK_FLAGS_REG_EX Flags; + UINT16 ES; + UINT16 CS; + UINT16 SS; + UINT16 DS; + UINT16 FS; + UINT16 GS; + UINT32 EBP; +} SMM_THUNK_DWORD_REGS_EX; + +typedef struct { + UINT16 AX; + UINT16 Reserved1; + UINT16 BX; + UINT16 Reserved2; + UINT16 CX; + UINT16 Reserved3; + UINT16 DX; + UINT16 Reserved4; + UINT16 SI; + UINT16 Reserved5; + UINT16 DI; + UINT16 Reserved6; + SMM_THUNK_FLAGS_REG Flags; + UINT16 Reserved7; + UINT16 ES; + UINT16 CS; + UINT16 SS; + UINT16 DS; + UINT16 FS; + UINT16 GS; + UINT16 BP; + UINT16 Reserved8; +} SMM_THUNK_WORD_REGS_EX; + +typedef struct { + UINT8 AL; + UINT8 AH; + UINT16 Reserved1; + UINT8 BL; + UINT8 BH; + UINT16 Reserved2; + UINT8 CL; + UINT8 CH; + UINT16 Reserved3; + UINT8 DL; + UINT8 DH; + UINT16 Reserved4; +} SMM_THUNK_BYTE_REGS_EX; + +typedef union { + SMM_THUNK_DWORD_REGS_EX E; + SMM_THUNK_WORD_REGS_EX X; + SMM_THUNK_BYTE_REGS_EX H; +} SMM_THUNK_IA32_REGISTER_SET_EX; + +typedef BOOLEAN (EFIAPI *EFI_SMM_FARCALL86) ( + IN EFI_SMM_THUNK_PROTOCOL *This, + IN UINT16 Segment, + IN UINT16 Offset, + IN SMM_THUNK_IA32_REGISTER_SET *Regs, + IN VOID *Stack, + IN UINTN StackSize +); + +typedef BOOLEAN (EFIAPI *EFI_SMM_FARCALL86_EX) ( + IN EFI_SMM_THUNK_PROTOCOL *This, + IN UINT16 Segment, + IN UINT16 Offset, + IN SMM_THUNK_IA32_REGISTER_SET_EX *Regs, + IN VOID *Stack, + IN UINTN StackSize +); + +//The FarCall86 and FarCall86Ex may be used to do INT XX calls. +//INT XX call: +// Stack = NULL +// StackSize = 0, +// Segment = Segment of INT xx. +// Offset = Offset of INT xx. + +typedef struct _EFI_SMM_THUNK_PROTOCOL { + EFI_SMM_FARCALL86 FarCall86; + EFI_SMM_FARCALL86_EX FarCall86Ex; +} EFI_SMM_THUNK_PROTOCOL; + + +/****** DO NOT WRITE BELOW THIS LINE *******/ +#ifdef __cplusplus +} +#endif +#endif + +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2009, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* |