diff options
Diffstat (limited to 'MdePkg/Include/Protocol/SmmCpu.h')
| -rw-r--r-- | MdePkg/Include/Protocol/SmmCpu.h | 325 |
1 files changed, 104 insertions, 221 deletions
diff --git a/MdePkg/Include/Protocol/SmmCpu.h b/MdePkg/Include/Protocol/SmmCpu.h index 9990dd25adfab..62144fd55fe8b 100644 --- a/MdePkg/Include/Protocol/SmmCpu.h +++ b/MdePkg/Include/Protocol/SmmCpu.h @@ -1,246 +1,129 @@ /** @file EFI SMM CPU Protocol as defined in the PI 1.2 specification. - This protocol allows SMM drivers to access architecture-standard registers from any of the CPU - save state areas. In some cases, difference processors provide the same information in the save state, - but not in the same format. These so-called pseudo-registers provide this information in a standard - format. + This protocol allows SMM drivers to access architecture-standard registers from any of the CPU + save state areas. In some cases, difference processors provide the same information in the save state, + but not in the same format. These so-called pseudo-registers provide this information in a standard + format. - Copyright (c) 2009 - 2012, 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. + Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent **/ #ifndef _SMM_CPU_H_ #define _SMM_CPU_H_ -#define EFI_SMM_CPU_PROTOCOL_GUID \ - { \ - 0xeb346b97, 0x975f, 0x4a9f, { 0x8b, 0x22, 0xf8, 0xe9, 0x2b, 0xb3, 0xd5, 0x69 } \ - } - -/// -/// Save State register index -/// -typedef enum { - /// - /// x86/X64 standard registers - /// - EFI_SMM_SAVE_STATE_REGISTER_GDTBASE = 4, - EFI_SMM_SAVE_STATE_REGISTER_IDTBASE = 5, - EFI_SMM_SAVE_STATE_REGISTER_LDTBASE = 6, - EFI_SMM_SAVE_STATE_REGISTER_GDTLIMIT = 7, - EFI_SMM_SAVE_STATE_REGISTER_IDTLIMIT = 8, - EFI_SMM_SAVE_STATE_REGISTER_LDTLIMIT = 9, - EFI_SMM_SAVE_STATE_REGISTER_LDTINFO = 10, - EFI_SMM_SAVE_STATE_REGISTER_ES = 20, - EFI_SMM_SAVE_STATE_REGISTER_CS = 21, - EFI_SMM_SAVE_STATE_REGISTER_SS = 22, - EFI_SMM_SAVE_STATE_REGISTER_DS = 23, - EFI_SMM_SAVE_STATE_REGISTER_FS = 24, - EFI_SMM_SAVE_STATE_REGISTER_GS = 25, - EFI_SMM_SAVE_STATE_REGISTER_LDTR_SEL = 26, - EFI_SMM_SAVE_STATE_REGISTER_TR_SEL = 27, - EFI_SMM_SAVE_STATE_REGISTER_DR7 = 28, - EFI_SMM_SAVE_STATE_REGISTER_DR6 = 29, - EFI_SMM_SAVE_STATE_REGISTER_R8 = 30, - EFI_SMM_SAVE_STATE_REGISTER_R9 = 31, - EFI_SMM_SAVE_STATE_REGISTER_R10 = 32, - EFI_SMM_SAVE_STATE_REGISTER_R11 = 33, - EFI_SMM_SAVE_STATE_REGISTER_R12 = 34, - EFI_SMM_SAVE_STATE_REGISTER_R13 = 35, - EFI_SMM_SAVE_STATE_REGISTER_R14 = 36, - EFI_SMM_SAVE_STATE_REGISTER_R15 = 37, - EFI_SMM_SAVE_STATE_REGISTER_RAX = 38, - EFI_SMM_SAVE_STATE_REGISTER_RBX = 39, - EFI_SMM_SAVE_STATE_REGISTER_RCX = 40, - EFI_SMM_SAVE_STATE_REGISTER_RDX = 41, - EFI_SMM_SAVE_STATE_REGISTER_RSP = 42, - EFI_SMM_SAVE_STATE_REGISTER_RBP = 43, - EFI_SMM_SAVE_STATE_REGISTER_RSI = 44, - EFI_SMM_SAVE_STATE_REGISTER_RDI = 45, - EFI_SMM_SAVE_STATE_REGISTER_RIP = 46, - EFI_SMM_SAVE_STATE_REGISTER_RFLAGS = 51, - EFI_SMM_SAVE_STATE_REGISTER_CR0 = 52, - EFI_SMM_SAVE_STATE_REGISTER_CR3 = 53, - EFI_SMM_SAVE_STATE_REGISTER_CR4 = 54, - EFI_SMM_SAVE_STATE_REGISTER_FCW = 256, - EFI_SMM_SAVE_STATE_REGISTER_FSW = 257, - EFI_SMM_SAVE_STATE_REGISTER_FTW = 258, - EFI_SMM_SAVE_STATE_REGISTER_OPCODE = 259, - EFI_SMM_SAVE_STATE_REGISTER_FP_EIP = 260, - EFI_SMM_SAVE_STATE_REGISTER_FP_CS = 261, - EFI_SMM_SAVE_STATE_REGISTER_DATAOFFSET = 262, - EFI_SMM_SAVE_STATE_REGISTER_FP_DS = 263, - EFI_SMM_SAVE_STATE_REGISTER_MM0 = 264, - EFI_SMM_SAVE_STATE_REGISTER_MM1 = 265, - EFI_SMM_SAVE_STATE_REGISTER_MM2 = 266, - EFI_SMM_SAVE_STATE_REGISTER_MM3 = 267, - EFI_SMM_SAVE_STATE_REGISTER_MM4 = 268, - EFI_SMM_SAVE_STATE_REGISTER_MM5 = 269, - EFI_SMM_SAVE_STATE_REGISTER_MM6 = 270, - EFI_SMM_SAVE_STATE_REGISTER_MM7 = 271, - EFI_SMM_SAVE_STATE_REGISTER_XMM0 = 272, - EFI_SMM_SAVE_STATE_REGISTER_XMM1 = 273, - EFI_SMM_SAVE_STATE_REGISTER_XMM2 = 274, - EFI_SMM_SAVE_STATE_REGISTER_XMM3 = 275, - EFI_SMM_SAVE_STATE_REGISTER_XMM4 = 276, - EFI_SMM_SAVE_STATE_REGISTER_XMM5 = 277, - EFI_SMM_SAVE_STATE_REGISTER_XMM6 = 278, - EFI_SMM_SAVE_STATE_REGISTER_XMM7 = 279, - EFI_SMM_SAVE_STATE_REGISTER_XMM8 = 280, - EFI_SMM_SAVE_STATE_REGISTER_XMM9 = 281, - EFI_SMM_SAVE_STATE_REGISTER_XMM10 = 282, - EFI_SMM_SAVE_STATE_REGISTER_XMM11 = 283, - EFI_SMM_SAVE_STATE_REGISTER_XMM12 = 284, - EFI_SMM_SAVE_STATE_REGISTER_XMM13 = 285, - EFI_SMM_SAVE_STATE_REGISTER_XMM14 = 286, - EFI_SMM_SAVE_STATE_REGISTER_XMM15 = 287, - /// - /// Pseudo-Registers - /// - EFI_SMM_SAVE_STATE_REGISTER_IO = 512, - EFI_SMM_SAVE_STATE_REGISTER_LMA = 513, - EFI_SMM_SAVE_STATE_REGISTER_PROCESSOR_ID = 514 -} EFI_SMM_SAVE_STATE_REGISTER; +#include <Protocol/MmCpu.h> + +#define EFI_SMM_CPU_PROTOCOL_GUID EFI_MM_CPU_PROTOCOL_GUID + +#define EFI_SMM_SAVE_STATE_REGISTER_GDTBASE EFI_MM_SAVE_STATE_REGISTER_GDTBASE +#define EFI_SMM_SAVE_STATE_REGISTER_IDTBASE EFI_MM_SAVE_STATE_REGISTER_IDTBASE +#define EFI_SMM_SAVE_STATE_REGISTER_LDTBASE EFI_MM_SAVE_STATE_REGISTER_LDTBASE +#define EFI_SMM_SAVE_STATE_REGISTER_GDTLIMIT EFI_MM_SAVE_STATE_REGISTER_GDTLIMIT +#define EFI_SMM_SAVE_STATE_REGISTER_IDTLIMIT EFI_MM_SAVE_STATE_REGISTER_IDTLIMIT +#define EFI_SMM_SAVE_STATE_REGISTER_LDTLIMIT EFI_MM_SAVE_STATE_REGISTER_LDTLIMIT +#define EFI_SMM_SAVE_STATE_REGISTER_LDTINFO EFI_MM_SAVE_STATE_REGISTER_LDTINFO +#define EFI_SMM_SAVE_STATE_REGISTER_ES EFI_MM_SAVE_STATE_REGISTER_ES +#define EFI_SMM_SAVE_STATE_REGISTER_CS EFI_MM_SAVE_STATE_REGISTER_CS +#define EFI_SMM_SAVE_STATE_REGISTER_SS EFI_MM_SAVE_STATE_REGISTER_SS +#define EFI_SMM_SAVE_STATE_REGISTER_DS EFI_MM_SAVE_STATE_REGISTER_DS +#define EFI_SMM_SAVE_STATE_REGISTER_FS EFI_MM_SAVE_STATE_REGISTER_FS +#define EFI_SMM_SAVE_STATE_REGISTER_GS EFI_MM_SAVE_STATE_REGISTER_GS +#define EFI_SMM_SAVE_STATE_REGISTER_LDTR_SEL EFI_MM_SAVE_STATE_REGISTER_LDTR_SEL +#define EFI_SMM_SAVE_STATE_REGISTER_TR_SEL EFI_MM_SAVE_STATE_REGISTER_TR_SEL +#define EFI_SMM_SAVE_STATE_REGISTER_DR7 EFI_MM_SAVE_STATE_REGISTER_DR7 +#define EFI_SMM_SAVE_STATE_REGISTER_DR6 EFI_MM_SAVE_STATE_REGISTER_DR6 +#define EFI_SMM_SAVE_STATE_REGISTER_R8 EFI_MM_SAVE_STATE_REGISTER_R8 +#define EFI_SMM_SAVE_STATE_REGISTER_R9 EFI_MM_SAVE_STATE_REGISTER_R9 +#define EFI_SMM_SAVE_STATE_REGISTER_R10 EFI_MM_SAVE_STATE_REGISTER_R10 +#define EFI_SMM_SAVE_STATE_REGISTER_R11 EFI_MM_SAVE_STATE_REGISTER_R11 +#define EFI_SMM_SAVE_STATE_REGISTER_R12 EFI_MM_SAVE_STATE_REGISTER_R12 +#define EFI_SMM_SAVE_STATE_REGISTER_R13 EFI_MM_SAVE_STATE_REGISTER_R13 +#define EFI_SMM_SAVE_STATE_REGISTER_R14 EFI_MM_SAVE_STATE_REGISTER_R14 +#define EFI_SMM_SAVE_STATE_REGISTER_R15 EFI_MM_SAVE_STATE_REGISTER_R15 +#define EFI_SMM_SAVE_STATE_REGISTER_RAX EFI_MM_SAVE_STATE_REGISTER_RAX +#define EFI_SMM_SAVE_STATE_REGISTER_RBX EFI_MM_SAVE_STATE_REGISTER_RBX +#define EFI_SMM_SAVE_STATE_REGISTER_RCX EFI_MM_SAVE_STATE_REGISTER_RCX +#define EFI_SMM_SAVE_STATE_REGISTER_RDX EFI_MM_SAVE_STATE_REGISTER_RDX +#define EFI_SMM_SAVE_STATE_REGISTER_RSP EFI_MM_SAVE_STATE_REGISTER_RSP +#define EFI_SMM_SAVE_STATE_REGISTER_RBP EFI_MM_SAVE_STATE_REGISTER_RBP +#define EFI_SMM_SAVE_STATE_REGISTER_RSI EFI_MM_SAVE_STATE_REGISTER_RSI +#define EFI_SMM_SAVE_STATE_REGISTER_RDI EFI_MM_SAVE_STATE_REGISTER_RDI +#define EFI_SMM_SAVE_STATE_REGISTER_RIP EFI_MM_SAVE_STATE_REGISTER_RIP +#define EFI_SMM_SAVE_STATE_REGISTER_RFLAGS EFI_MM_SAVE_STATE_REGISTER_RFLAGS +#define EFI_SMM_SAVE_STATE_REGISTER_CR0 EFI_MM_SAVE_STATE_REGISTER_CR0 +#define EFI_SMM_SAVE_STATE_REGISTER_CR3 EFI_MM_SAVE_STATE_REGISTER_CR3 +#define EFI_SMM_SAVE_STATE_REGISTER_CR4 EFI_MM_SAVE_STATE_REGISTER_CR4 +#define EFI_SMM_SAVE_STATE_REGISTER_FCW EFI_MM_SAVE_STATE_REGISTER_FCW +#define EFI_SMM_SAVE_STATE_REGISTER_FSW EFI_MM_SAVE_STATE_REGISTER_FSW +#define EFI_SMM_SAVE_STATE_REGISTER_FTW EFI_MM_SAVE_STATE_REGISTER_FTW +#define EFI_SMM_SAVE_STATE_REGISTER_OPCODE EFI_MM_SAVE_STATE_REGISTER_OPCODE +#define EFI_SMM_SAVE_STATE_REGISTER_FP_EIP EFI_MM_SAVE_STATE_REGISTER_FP_EIP +#define EFI_SMM_SAVE_STATE_REGISTER_FP_CS EFI_MM_SAVE_STATE_REGISTER_FP_CS +#define EFI_SMM_SAVE_STATE_REGISTER_DATAOFFSET EFI_MM_SAVE_STATE_REGISTER_DATAOFFSET +#define EFI_SMM_SAVE_STATE_REGISTER_FP_DS EFI_MM_SAVE_STATE_REGISTER_FP_DS +#define EFI_SMM_SAVE_STATE_REGISTER_MM0 EFI_MM_SAVE_STATE_REGISTER_MM0 +#define EFI_SMM_SAVE_STATE_REGISTER_MM1 EFI_MM_SAVE_STATE_REGISTER_MM1 +#define EFI_SMM_SAVE_STATE_REGISTER_MM2 EFI_MM_SAVE_STATE_REGISTER_MM2 +#define EFI_SMM_SAVE_STATE_REGISTER_MM3 EFI_MM_SAVE_STATE_REGISTER_MM3 +#define EFI_SMM_SAVE_STATE_REGISTER_MM4 EFI_MM_SAVE_STATE_REGISTER_MM4 +#define EFI_SMM_SAVE_STATE_REGISTER_MM5 EFI_MM_SAVE_STATE_REGISTER_MM5 +#define EFI_SMM_SAVE_STATE_REGISTER_MM6 EFI_MM_SAVE_STATE_REGISTER_MM6 +#define EFI_SMM_SAVE_STATE_REGISTER_MM7 EFI_MM_SAVE_STATE_REGISTER_MM7 +#define EFI_SMM_SAVE_STATE_REGISTER_XMM0 EFI_MM_SAVE_STATE_REGISTER_XMM0 +#define EFI_SMM_SAVE_STATE_REGISTER_XMM1 EFI_MM_SAVE_STATE_REGISTER_XMM1 +#define EFI_SMM_SAVE_STATE_REGISTER_XMM2 EFI_MM_SAVE_STATE_REGISTER_XMM2 +#define EFI_SMM_SAVE_STATE_REGISTER_XMM3 EFI_MM_SAVE_STATE_REGISTER_XMM3 +#define EFI_SMM_SAVE_STATE_REGISTER_XMM4 EFI_MM_SAVE_STATE_REGISTER_XMM4 +#define EFI_SMM_SAVE_STATE_REGISTER_XMM5 EFI_MM_SAVE_STATE_REGISTER_XMM5 +#define EFI_SMM_SAVE_STATE_REGISTER_XMM6 EFI_MM_SAVE_STATE_REGISTER_XMM6 +#define EFI_SMM_SAVE_STATE_REGISTER_XMM7 EFI_MM_SAVE_STATE_REGISTER_XMM7 +#define EFI_SMM_SAVE_STATE_REGISTER_XMM8 EFI_MM_SAVE_STATE_REGISTER_XMM8 +#define EFI_SMM_SAVE_STATE_REGISTER_XMM9 EFI_MM_SAVE_STATE_REGISTER_XMM9 +#define EFI_SMM_SAVE_STATE_REGISTER_XMM10 EFI_MM_SAVE_STATE_REGISTER_XMM10 +#define EFI_SMM_SAVE_STATE_REGISTER_XMM11 EFI_MM_SAVE_STATE_REGISTER_XMM11 +#define EFI_SMM_SAVE_STATE_REGISTER_XMM12 EFI_MM_SAVE_STATE_REGISTER_XMM12 +#define EFI_SMM_SAVE_STATE_REGISTER_XMM13 EFI_MM_SAVE_STATE_REGISTER_XMM13 +#define EFI_SMM_SAVE_STATE_REGISTER_XMM14 EFI_MM_SAVE_STATE_REGISTER_XMM14 +#define EFI_SMM_SAVE_STATE_REGISTER_XMM15 EFI_MM_SAVE_STATE_REGISTER_XMM15 +#define EFI_SMM_SAVE_STATE_REGISTER_IO EFI_MM_SAVE_STATE_REGISTER_IO +#define EFI_SMM_SAVE_STATE_REGISTER_LMA EFI_MM_SAVE_STATE_REGISTER_LMA +#define EFI_SMM_SAVE_STATE_REGISTER_PROCESSOR_ID EFI_MM_SAVE_STATE_REGISTER_PROCESSOR_ID + +typedef EFI_MM_SAVE_STATE_REGISTER EFI_SMM_SAVE_STATE_REGISTER; + + +#define EFI_SMM_SAVE_STATE_REGISTER_LMA_32BIT EFI_MM_SAVE_STATE_REGISTER_LMA_32BIT +#define EFI_SMM_SAVE_STATE_REGISTER_LMA_64BIT EFI_MM_SAVE_STATE_REGISTER_LMA_64BIT -/// -/// The EFI_SMM_SAVE_STATE_REGISTER_LMA pseudo-register values -/// If the processor acts in 32-bit mode at the time the SMI occurred, the pseudo register value -/// EFI_SMM_SAVE_STATE_REGISTER_LMA_32BIT is returned in Buffer. Otherwise, -/// EFI_SMM_SAVE_STATE_REGISTER_LMA_64BIT is returned in Buffer. -/// -#define EFI_SMM_SAVE_STATE_REGISTER_LMA_32BIT 32 -#define EFI_SMM_SAVE_STATE_REGISTER_LMA_64BIT 64 /// /// Size width of I/O instruction /// -typedef enum { - EFI_SMM_SAVE_STATE_IO_WIDTH_UINT8 = 0, - EFI_SMM_SAVE_STATE_IO_WIDTH_UINT16 = 1, - EFI_SMM_SAVE_STATE_IO_WIDTH_UINT32 = 2, - EFI_SMM_SAVE_STATE_IO_WIDTH_UINT64 = 3 -} EFI_SMM_SAVE_STATE_IO_WIDTH; +#define EFI_SMM_SAVE_STATE_IO_WIDTH_UINT8 EFI_MM_SAVE_STATE_IO_WIDTH_UINT8 +#define EFI_SMM_SAVE_STATE_IO_WIDTH_UINT16 EFI_MM_SAVE_STATE_IO_WIDTH_UINT16 +#define EFI_SMM_SAVE_STATE_IO_WIDTH_UINT32 EFI_MM_SAVE_STATE_IO_WIDTH_UINT32 +#define EFI_SMM_SAVE_STATE_IO_WIDTH_UINT64 EFI_MM_SAVE_STATE_IO_WIDTH_UINT64 +typedef EFI_MM_SAVE_STATE_IO_WIDTH EFI_SMM_SAVE_STATE_IO_WIDTH; /// /// Types of I/O instruction /// -typedef enum { - EFI_SMM_SAVE_STATE_IO_TYPE_INPUT = 1, - EFI_SMM_SAVE_STATE_IO_TYPE_OUTPUT = 2, - EFI_SMM_SAVE_STATE_IO_TYPE_STRING = 4, - EFI_SMM_SAVE_STATE_IO_TYPE_REP_PREFIX = 8 -} EFI_SMM_SAVE_STATE_IO_TYPE; +#define EFI_SMM_SAVE_STATE_IO_TYPE_INPUT EFI_MM_SAVE_STATE_IO_TYPE_INPUT +#define EFI_SMM_SAVE_STATE_IO_TYPE_OUTPUT EFI_MM_SAVE_STATE_IO_TYPE_OUTPUT +#define EFI_SMM_SAVE_STATE_IO_TYPE_STRING EFI_MM_SAVE_STATE_IO_TYPE_STRING +#define EFI_SMM_SAVE_STATE_IO_TYPE_REP_PREFIX EFI_MM_SAVE_STATE_IO_TYPE_REP_PREFIX +typedef EFI_MM_SAVE_STATE_IO_TYPE EFI_SMM_SAVE_STATE_IO_TYPE; -/// -/// Structure of the data which is returned when ReadSaveState() is called with -/// EFI_SMM_SAVE_STATE_REGISTER_IO. If there was no I/O then ReadSaveState() will -/// return EFI_NOT_FOUND. -/// -/// This structure describes the I/O operation which was in process when the SMI was generated. -/// -typedef struct _EFI_SMM_SAVE_STATE_IO_INFO { - /// - /// For input instruction (IN, INS), this is data read before the SMI occurred. For output - /// instructions (OUT, OUTS) this is data that was written before the SMI occurred. The - /// width of the data is specified by IoWidth. - /// - UINT64 IoData; - /// - /// The I/O port that was being accessed when the SMI was triggered. - /// - UINT16 IoPort; - /// - /// Defines the size width (UINT8, UINT16, UINT32, UINT64) for IoData. - /// - EFI_SMM_SAVE_STATE_IO_WIDTH IoWidth; - /// - /// Defines type of I/O instruction. - /// - EFI_SMM_SAVE_STATE_IO_TYPE IoType; -} EFI_SMM_SAVE_STATE_IO_INFO; - -typedef struct _EFI_SMM_CPU_PROTOCOL EFI_SMM_CPU_PROTOCOL; - -/** - Read data from the CPU save state. - - This function is used to read the specified number of bytes of the specified register from the CPU - save state of the specified CPU and place the value into the buffer. If the CPU does not support the - specified register Register, then EFI_NOT_FOUND should be returned. If the CPU does not - support the specified register width Width, then EFI_INVALID_PARAMETER is returned. - - @param[in] This The EFI_SMM_CPU_PROTOCOL instance. - @param[in] Width The number of bytes to read from the CPU save state. - @param[in] Register Specifies the CPU register to read form the save state. - @param[in] CpuIndex Specifies the zero-based index of the CPU save state. - @param[out] Buffer Upon return, this holds the CPU register value read from the save state. - - @retval EFI_SUCCESS The register was read from Save State. - @retval EFI_NOT_FOUND The register is not defined for the Save State of Processor. - @retval EFI_INVALID_PARAMETER Input parameters are not valid, for example, Processor No or register width - is not correct.This or Buffer is NULL. -**/ -typedef -EFI_STATUS -(EFIAPI *EFI_SMM_READ_SAVE_STATE)( - IN CONST EFI_SMM_CPU_PROTOCOL *This, - IN UINTN Width, - IN EFI_SMM_SAVE_STATE_REGISTER Register, - IN UINTN CpuIndex, - OUT VOID *Buffer - ); - - -/** - Write data to the CPU save state. - - This function is used to write the specified number of bytes of the specified register to the CPU save - state of the specified CPU and place the value into the buffer. If the CPU does not support the - specified register Register, then EFI_UNSUPPORTED should be returned. If the CPU does not - support the specified register width Width, then EFI_INVALID_PARAMETER is returned. - - @param[in] This The EFI_SMM_CPU_PROTOCOL instance. - @param[in] Width The number of bytes to write to the CPU save state. - @param[in] Register Specifies the CPU register to write to the save state. - @param[in] CpuIndex Specifies the zero-based index of the CPU save state. - @param[in] Buffer Upon entry, this holds the new CPU register value. - - @retval EFI_SUCCESS The register was written to Save State. - @retval EFI_NOT_FOUND The register is not defined for the Save State of Processor. - @retval EFI_INVALID_PARAMETER Input parameters are not valid. For example: - ProcessorIndex or Width is not correct. -**/ -typedef -EFI_STATUS -(EFIAPI *EFI_SMM_WRITE_SAVE_STATE)( - IN CONST EFI_SMM_CPU_PROTOCOL *This, - IN UINTN Width, - IN EFI_SMM_SAVE_STATE_REGISTER Register, - IN UINTN CpuIndex, - IN CONST VOID *Buffer - ); +typedef EFI_MM_SAVE_STATE_IO_INFO EFI_SMM_SAVE_STATE_IO_INFO; -/// -/// EFI SMM CPU Protocol provides access to CPU-related information while in SMM. -/// -/// This protocol allows SMM drivers to access architecture-standard registers from any of the CPU -/// save state areas. In some cases, difference processors provide the same information in the save state, -/// but not in the same format. These so-called pseudo-registers provide this information in a standard -/// format. -/// -struct _EFI_SMM_CPU_PROTOCOL { - EFI_SMM_READ_SAVE_STATE ReadSaveState; - EFI_SMM_WRITE_SAVE_STATE WriteSaveState; -}; +typedef EFI_MM_CPU_PROTOCOL EFI_SMM_CPU_PROTOCOL; + +typedef EFI_MM_READ_SAVE_STATE EFI_SMM_READ_SAVE_STATE; +typedef EFI_MM_WRITE_SAVE_STATE EFI_SMM_WRITE_SAVE_STATE; extern EFI_GUID gEfiSmmCpuProtocolGuid; #endif |