Add SmramSaveStateMap.h file that defines the 32-bit and 64-bit CPU SMRAM Save State Map.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Michael Kinney <michael.d.kin...@intel.com> --- UefiCpuPkg/Include/Register/SmramSaveStateMap.h | 190 ++++++++++++++++++++++++ 1 file changed, 190 insertions(+) create mode 100644 UefiCpuPkg/Include/Register/SmramSaveStateMap.h diff --git a/UefiCpuPkg/Include/Register/SmramSaveStateMap.h b/UefiCpuPkg/Include/Register/SmramSaveStateMap.h new file mode 100644 index 0000000..a7c7562 --- /dev/null +++ b/UefiCpuPkg/Include/Register/SmramSaveStateMap.h @@ -0,0 +1,190 @@ +/** @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.<BR> +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 -- 1.9.5.msysgit.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
