/** @file SMRAM Save State Map Definitions. SMRAM Save State Map definitions based on contents of the Intel(R) 64 and IA-32 Architectures Software Developer's Manual Volume 3C, Section 34.4 SMRAM Volume 3C, Section 34.5 SMI Handler Execution Environment Volume 3C, Section 34.7 Managing Synchronous and Asynchronous SMIs Copyright (c) 2015, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at http://opensource.org/licenses/bsd-license.php THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. **/ #ifndef __SMRAM_SAVE_STATE_MAP_H__ #define __SMRAM_SAVE_STATE_MAP_H__ /// /// Default SMBASE address /// #define SMM_DEFAULT_SMBASE 0x30000 /// /// Offset of SMM handler from SMBASE /// #define SMM_HANDLER_OFFSET 0x8000 /// /// Offset of SMRAM Save State Map from SMBASE /// #define SMRAM_SAVE_STATE_MAP_OFFSET 0xfc00 #pragma pack (1) /// /// 32-bit SMRAM Save State Map /// typedef struct { UINT8 Reserved[0x200]; // 7c00h // Padded an extra 0x200 bytes so 32-bit and 64-bit // SMRAM Save State Maps are the same size UINT8 Reserved1[0xf8]; // 7e00h UINT32 SMBASE; // 7ef8h UINT32 SMMRevId; // 7efch UINT16 IORestart; // 7f00h UINT16 AutoHALTRestart; // 7f02h UINT8 Reserved2[0x9C]; // 7f08h UINT32 IOMemAddr; // 7fa0h UINT32 IOMisc; // 7fa4h UINT32 _ES; // 7fa8h UINT32 _CS; // 7fach UINT32 _SS; // 7fb0h UINT32 _DS; // 7fb4h UINT32 _FS; // 7fb8h UINT32 _GS; // 7fbch UINT32 Reserved3; // 7fc0h UINT32 _TR; // 7fc4h UINT32 _DR7; // 7fc8h UINT32 _DR6; // 7fcch UINT32 _EAX; // 7fd0h UINT32 _ECX; // 7fd4h UINT32 _EDX; // 7fd8h UINT32 _EBX; // 7fdch UINT32 _ESP; // 7fe0h UINT32 _EBP; // 7fe4h UINT32 _ESI; // 7fe8h UINT32 _EDI; // 7fech UINT32 _EIP; // 7ff0h UINT32 _EFLAGS; // 7ff4h UINT32 _CR3; // 7ff8h UINT32 _CR0; // 7ffch } SMRAM_SAVE_STATE_MAP32; /// /// 64-bit SMRAM Save State Map /// typedef struct { UINT8 Reserved1[0x1d0]; // 7c00h UINT32 GdtBaseHiDword; // 7dd0h UINT32 LdtBaseHiDword; // 7dd4h UINT32 IdtBaseHiDword; // 7dd8h UINT8 Reserved2[0xc]; // 7ddch UINT64 IO_EIP; // 7de8h UINT8 Reserved3[0x50]; // 7df0h UINT32 _CR4; // 7e40h UINT8 Reserved4[0x48]; // 7e44h UINT32 GdtBaseLoDword; // 7e8ch UINT32 Reserved5; // 7e90h UINT32 IdtBaseLoDword; // 7e94h UINT32 Reserved6; // 7e98h UINT32 LdtBaseLoDword; // 7e9ch UINT8 Reserved7[0x38]; // 7ea0h UINT64 EptVmxControl; // 7ed8h UINT32 EnEptVmxControl; // 7ee0h UINT8 Reserved8[0x14]; // 7ee4h UINT32 SMBASE; // 7ef8h UINT32 SMMRevId; // 7efch UINT16 IORestart; // 7f00h UINT16 AutoHALTRestart; // 7f02h UINT8 Reserved9[0x18]; // 7f04h UINT64 _R15; // 7f1ch UINT64 _R14; UINT64 _R13; UINT64 _R12; UINT64 _R11; UINT64 _R10; UINT64 _R9; UINT64 _R8; UINT64 _RAX; // 7f5ch UINT64 _RCX; UINT64 _RDX; UINT64 _RBX; UINT64 _RSP; UINT64 _RBP; UINT64 _RSI; UINT64 _RDI; UINT64 IOMemAddr; // 7f9ch UINT32 IOMisc; // 7fa4h UINT32 _ES; // 7fa8h UINT32 _CS; UINT32 _SS; UINT32 _DS; UINT32 _FS; UINT32 _GS; UINT32 _LDTR; // 7fc0h UINT32 _TR; UINT64 _DR7; // 7fc8h UINT64 _DR6; UINT64 _RIP; // 7fd8h UINT64 IA32_EFER; // 7fe0h UINT64 _RFLAGS; // 7fe8h UINT64 _CR3; // 7ff0h UINT64 _CR0; // 7ff8h } SMRAM_SAVE_STATE_MAP64; /// /// Union of 32-bit and 64-bit SMRAM Save State Maps /// typedef union { SMRAM_SAVE_STATE_MAP32 x86; SMRAM_SAVE_STATE_MAP64 x64; } SMRAM_SAVE_STATE_MAP; /// /// Minimum SMM Revision ID that supports IOMisc field in SMRAM Save State Map /// #define SMRAM_SAVE_STATE_MIN_REV_ID_IOMISC 0x30004 /// /// SMRAM Save State Map IOMisc I/O Length Values /// #define SMM_IO_LENGTH_BYTE 0x01 #define SMM_IO_LENGTH_WORD 0x02 #define SMM_IO_LENGTH_DWORD 0x04 /// /// SMRAM Save State Map IOMisc I/O Instruction Type Values /// #define SMM_IO_TYPE_IN_IMMEDIATE 0x9 #define SMM_IO_TYPE_IN_DX 0x1 #define SMM_IO_TYPE_OUT_IMMEDIATE 0x8 #define SMM_IO_TYPE_OUT_DX 0x0 #define SMM_IO_TYPE_INS 0x3 #define SMM_IO_TYPE_OUTS 0x2 #define SMM_IO_TYPE_REP_INS 0x7 #define SMM_IO_TYPE_REP_OUTS 0x6 /// /// SMRAM Save State Map IOMisc structure /// typedef union { struct { UINT32 SmiFlag:1; UINT32 Length:3; UINT32 Type:4; UINT32 Reserved1:8; UINT32 Port:16; } Bits; UINT32 Uint32; } SMRAM_SAVE_STATE_IOMISC; #pragma pack () #endif