diff options
Diffstat (limited to 'SecurityPkg')
| -rw-r--r-- | SecurityPkg/Tcg/TrEESmm/Tpm.asl | 354 | ||||
| -rw-r--r-- | SecurityPkg/Tcg/TrEESmm/TrEESmm.c | 521 | ||||
| -rw-r--r-- | SecurityPkg/Tcg/TrEESmm/TrEESmm.h | 105 | ||||
| -rw-r--r-- | SecurityPkg/Tcg/TrEESmm/TrEESmm.inf | 85 | ||||
| -rw-r--r-- | SecurityPkg/Tcg/TrEESmm/TrEESmm.uni | 28 | ||||
| -rw-r--r-- | SecurityPkg/Tcg/TrEESmm/TrEESmmExtra.uni | 19 |
6 files changed, 0 insertions, 1112 deletions
diff --git a/SecurityPkg/Tcg/TrEESmm/Tpm.asl b/SecurityPkg/Tcg/TrEESmm/Tpm.asl deleted file mode 100644 index 0f6b94a..0000000 --- a/SecurityPkg/Tcg/TrEESmm/Tpm.asl +++ /dev/null @@ -1,354 +0,0 @@ -/** @file
- The TPM2 definition block in ACPI table for TrEE physical presence
- and MemoryClear.
-
-Copyright (c) 2013 - 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.
-
-**/
-
-DefinitionBlock (
- "Tpm.aml",
- "SSDT",
- 2,
- "INTEL ",
- "Tpm2Tabl",
- 0x1000
- )
-{
- Scope (\_SB)
- {
- Device (TPM)
- {
- //
- // TREE
- //
- Name (_HID, "MSFT0101")
-
- //
- // Readable name of this device, don't know if this way is correct yet
- //
- Name (_STR, Unicode ("TPM 2.0 Device"))
-
- //
- // Return the resource consumed by TPM device
- //
- Name (_CRS, ResourceTemplate () {
- Memory32Fixed (ReadWrite, 0xfed40000, 0x5000)
- })
-
- //
- // Operational region for Smi port access
- //
- OperationRegion (SMIP, SystemIO, 0xB2, 1)
- Field (SMIP, ByteAcc, NoLock, Preserve)
- {
- IOB2, 8
- }
-
- //
- // Operational region for TPM access
- //
- OperationRegion (TPMR, SystemMemory, 0xfed40000, 0x5000)
- Field (TPMR, AnyAcc, NoLock, Preserve)
- {
- ACC0, 8,
- }
-
- //
- // Operational region for TPM support, TPM Physical Presence and TPM Memory Clear
- // Region Offset 0xFFFF0000 and Length 0xF0 will be fixed in C code.
- //
- OperationRegion (TNVS, SystemMemory, 0xFFFF0000, 0xF0)
- Field (TNVS, AnyAcc, NoLock, Preserve)
- {
- PPIN, 8, // Software SMI for Physical Presence Interface
- PPIP, 32, // Used for save physical presence paramter
- PPRP, 32, // Physical Presence request operation response
- PPRQ, 32, // Physical Presence request operation
- LPPR, 32, // Last Physical Presence request operation
- FRET, 32, // Physical Presence function return code
- MCIN, 8, // Software SMI for Memory Clear Interface
- MCIP, 32, // Used for save the Mor paramter
- MORD, 32, // Memory Overwrite Request Data
- MRET, 32 // Memory Overwrite function return code
- }
-
- Method (PTS, 1, Serialized)
- {
- //
- // Detect Sx state for MOR, only S4, S5 need to handle
- //
- If (LAnd (LLess (Arg0, 6), LGreater (Arg0, 3)))
- {
- //
- // Bit4 -- DisableAutoDetect. 0 -- Firmware MAY autodetect.
- //
- If (LNot (And (MORD, 0x10)))
- {
- //
- // Triggle the SMI through ACPI _PTS method.
- //
- Store (0x02, MCIP)
-
- //
- // Triggle the SMI interrupt
- //
- Store (MCIN, IOB2)
- }
- }
- Return (0)
- }
-
- Method (_STA, 0)
- {
- if (LEqual (ACC0, 0xff))
- {
- Return (0)
- }
- Return (0x0f)
- }
-
- //
- // TCG Hardware Information
- //
- Method (HINF, 3, Serialized, 0, {BuffObj, PkgObj}, {UnknownObj, UnknownObj, UnknownObj}) // IntObj, IntObj, PkgObj
- {
- //
- // Switch by function index
- //
- Switch (ToInteger(Arg1))
- {
- Case (0)
- {
- //
- // Standard query
- //
- Return (Buffer () {0x03})
- }
- Case (1)
- {
- //
- // Return failure if no TPM present
- //
- Name(TPMV, Package () {0x01, Package () {0x2, 0x0}})
- if (LEqual (_STA (), 0x00))
- {
- Return (Package () {0x00})
- }
-
- //
- // Return TPM version
- //
- Return (TPMV)
- }
- Default {BreakPoint}
- }
- Return (Buffer () {0})
- }
-
- Name(TPM2, Package (0x02){
- Zero,
- Zero
- })
-
- Name(TPM3, Package (0x03){
- Zero,
- Zero,
- Zero
- })
-
- //
- // TCG Physical Presence Interface
- //
- Method (TPPI, 3, Serialized, 0, {BuffObj, PkgObj, IntObj, StrObj}, {UnknownObj, UnknownObj, UnknownObj}) // IntObj, IntObj, PkgObj
- {
- //
- // Switch by function index
- //
- Switch (ToInteger(Arg1))
- {
- Case (0)
- {
- //
- // Standard query, supports function 1-8
- //
- Return (Buffer () {0xFF, 0x01})
- }
- Case (1)
- {
- //
- // a) Get Physical Presence Interface Version
- //
- Return ("1.2")
- }
- Case (2)
- {
- //
- // b) Submit TPM Operation Request to Pre-OS Environment
- //
-
- Store (DerefOf (Index (Arg2, 0x00)), PPRQ)
- Store (0x02, PPIP)
-
- //
- // Triggle the SMI interrupt
- //
- Store (PPIN, IOB2)
- Return (FRET)
-
-
- }
- Case (3)
- {
- //
- // c) Get Pending TPM Operation Requested By the OS
- //
-
- Store (PPRQ, Index (TPM2, 0x01))
- Return (TPM2)
- }
- Case (4)
- {
- //
- // d) Get Platform-Specific Action to Transition to Pre-OS Environment
- //
- Return (2)
- }
- Case (5)
- {
- //
- // e) Return TPM Operation Response to OS Environment
- //
- Store (0x05, PPIP)
-
- //
- // Triggle the SMI interrupt
- //
- Store (PPIN, IOB2)
-
- Store (LPPR, Index (TPM3, 0x01))
- Store (PPRP, Index (TPM3, 0x02))
-
- Return (TPM3)
- }
- Case (6)
- {
-
- //
- // f) Submit preferred user language (Not implemented)
- //
-
- Return (3)
-
- }
- Case (7)
- {
- //
- // g) Submit TPM Operation Request to Pre-OS Environment 2
- //
- Store (7, PPIP)
- Store (DerefOf (Index (Arg2, 0x00)), PPRQ)
-
- //
- // Triggle the SMI interrupt
- //
- Store (PPIN, IOB2)
- Return (FRET)
- }
- Case (8)
- {
- //
- // e) Get User Confirmation Status for Operation
- //
- Store (8, PPIP)
- Store (DerefOf (Index (Arg2, 0x00)), PPRQ)
-
- //
- // Triggle the SMI interrupt
- //
- Store (PPIN, IOB2)
-
- Return (FRET)
- }
-
- Default {BreakPoint}
- }
- Return (1)
- }
-
- Method (TMCI, 3, Serialized, 0, IntObj, {UnknownObj, UnknownObj, UnknownObj}) // IntObj, IntObj, PkgObj
- {
- //
- // Switch by function index
- //
- Switch (ToInteger (Arg1))
- {
- Case (0)
- {
- //
- // Standard query, supports function 1-1
- //
- Return (Buffer () {0x03})
- }
- Case (1)
- {
- //
- // Save the Operation Value of the Request to MORD (reserved memory)
- //
- Store (DerefOf (Index (Arg2, 0x00)), MORD)
-
- //
- // Triggle the SMI through ACPI _DSM method.
- //
- Store (0x01, MCIP)
-
- //
- // Triggle the SMI interrupt
- //
- Store (MCIN, IOB2)
- Return (MRET)
- }
- Default {BreakPoint}
- }
- Return (1)
- }
-
- Method (_DSM, 4, Serialized, 0, UnknownObj, {BuffObj, IntObj, IntObj, PkgObj})
- {
-
- //
- // TCG Hardware Information
- //
- If(LEqual(Arg0, ToUUID ("cf8e16a5-c1e8-4e25-b712-4f54a96702c8")))
- {
- Return (HINF (Arg1, Arg2, Arg3))
- }
-
- //
- // TCG Physical Presence Interface
- //
- If(LEqual(Arg0, ToUUID ("3dddfaa6-361b-4eb4-a424-8d10089d1653")))
- {
- Return (TPPI (Arg1, Arg2, Arg3))
- }
-
- //
- // TCG Memory Clear Interface
- //
- If(LEqual(Arg0, ToUUID ("376054ed-cc13-4675-901c-4756d7f2d45d")))
- {
- Return (TMCI (Arg1, Arg2, Arg3))
- }
-
- Return (Buffer () {0})
- }
- }
- }
-}
diff --git a/SecurityPkg/Tcg/TrEESmm/TrEESmm.c b/SecurityPkg/Tcg/TrEESmm/TrEESmm.c deleted file mode 100644 index 1683ded..0000000 --- a/SecurityPkg/Tcg/TrEESmm/TrEESmm.c +++ /dev/null @@ -1,521 +0,0 @@ -/** @file
- It updates TPM2 items in ACPI table and registers SMI2 callback
- functions for TrEE physical presence, ClearMemory, and sample
- for dTPM StartMethod.
-
- Caution: This module requires additional review when modified.
- This driver will have external input - variable and ACPINvs data in SMM mode.
- This external input must be validated carefully to avoid security issue.
-
- PhysicalPresenceCallback() and MemoryClearCallback() will receive untrusted input and do some check.
-
-Copyright (c) 2013 - 2017, 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.
-
-**/
-
-#include "TrEESmm.h"
-
-EFI_TPM2_ACPI_TABLE mTpm2AcpiTemplate = {
- {
- EFI_ACPI_5_0_TRUSTED_COMPUTING_PLATFORM_2_TABLE_SIGNATURE,
- sizeof (mTpm2AcpiTemplate),
- EFI_TPM2_ACPI_TABLE_REVISION_3,
- //
- // Compiler initializes the remaining bytes to 0
- // These fields should be filled in in production
- //
- },
- 0, // Flags
- 0, // Control Area
- EFI_TPM2_ACPI_TABLE_START_METHOD_TIS, // StartMethod
-};
-
-EFI_SMM_VARIABLE_PROTOCOL *mSmmVariable;
-TCG_NVS *mTcgNvs;
-
-/**
- Software SMI callback for TPM physical presence which is called from ACPI method.
-
- Caution: This function may receive untrusted input.
- Variable and ACPINvs are external input, so this function will validate
- its data structure to be valid value.
-
- @param[in] DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().
- @param[in] Context Points to an optional handler context which was specified when the
- handler was registered.
- @param[in, out] CommBuffer A pointer to a collection of data in memory that will
- be conveyed from a non-SMM environment into an SMM environment.
- @param[in, out] CommBufferSize The size of the CommBuffer.
-
- @retval EFI_SUCCESS The interrupt was handled successfully.
-
-**/
-EFI_STATUS
-EFIAPI
-PhysicalPresenceCallback (
- IN EFI_HANDLE DispatchHandle,
- IN CONST VOID *Context,
- IN OUT VOID *CommBuffer,
- IN OUT UINTN *CommBufferSize
- )
-{
- EFI_STATUS Status;
- UINTN DataSize;
- EFI_TREE_PHYSICAL_PRESENCE PpData;
- EFI_TREE_PHYSICAL_PRESENCE_FLAGS Flags;
- BOOLEAN RequestConfirmed;
-
- //
- // Get the Physical Presence variable
- //
- DataSize = sizeof (EFI_TREE_PHYSICAL_PRESENCE);
- Status = mSmmVariable->SmmGetVariable (
- TREE_PHYSICAL_PRESENCE_VARIABLE,
- &gEfiTrEEPhysicalPresenceGuid,
- NULL,
- &DataSize,
- &PpData
- );
-
- DEBUG ((EFI_D_INFO, "[TPM2] PP callback, Parameter = %x, Request = %x\n", mTcgNvs->PhysicalPresence.Parameter, mTcgNvs->PhysicalPresence.Request));
-
- if (mTcgNvs->PhysicalPresence.Parameter == ACPI_FUNCTION_RETURN_REQUEST_RESPONSE_TO_OS) {
- if (EFI_ERROR (Status)) {
- mTcgNvs->PhysicalPresence.ReturnCode = PP_RETURN_TPM_OPERATION_RESPONSE_FAILURE;
- mTcgNvs->PhysicalPresence.LastRequest = 0;
- mTcgNvs->PhysicalPresence.Response = 0;
- DEBUG ((EFI_D_ERROR, "[TPM2] Get PP variable failure! Status = %r\n", Status));
- return EFI_SUCCESS;
- }
- mTcgNvs->PhysicalPresence.ReturnCode = PP_RETURN_TPM_OPERATION_RESPONSE_SUCCESS;
- mTcgNvs->PhysicalPresence.LastRequest = PpData.LastPPRequest;
- mTcgNvs->PhysicalPresence.Response = PpData.PPResponse;
- } else if ((mTcgNvs->PhysicalPresence.Parameter == ACPI_FUNCTION_SUBMIT_REQUEST_TO_BIOS)
- || (mTcgNvs->PhysicalPresence.Parameter == ACPI_FUNCTION_SUBMIT_REQUEST_TO_BIOS_2)) {
- if (EFI_ERROR (Status)) {
- mTcgNvs->PhysicalPresence.ReturnCode = TREE_PP_SUBMIT_REQUEST_TO_PREOS_GENERAL_FAILURE;
- DEBUG ((EFI_D_ERROR, "[TPM2] Get PP variable failure! Status = %r\n", Status));
- return EFI_SUCCESS;
- }
- if ((mTcgNvs->PhysicalPresence.Request > TREE_PHYSICAL_PRESENCE_NO_ACTION_MAX) &&
- (mTcgNvs->PhysicalPresence.Request < TREE_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION) ) {
- //
- // This command requires UI to prompt user for Auth data.
- //
- mTcgNvs->PhysicalPresence.ReturnCode = TREE_PP_SUBMIT_REQUEST_TO_PREOS_NOT_IMPLEMENTED;
- return EFI_SUCCESS;
- }
-
- if (PpData.PPRequest != mTcgNvs->PhysicalPresence.Request) {
- PpData.PPRequest = (UINT8) mTcgNvs->PhysicalPresence.Request;
- DataSize = sizeof (EFI_TREE_PHYSICAL_PRESENCE);
- Status = mSmmVariable->SmmSetVariable (
- TREE_PHYSICAL_PRESENCE_VARIABLE,
- &gEfiTrEEPhysicalPresenceGuid,
- EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
- DataSize,
- &PpData
- );
- }
-
- if (EFI_ERROR (Status)) {
- mTcgNvs->PhysicalPresence.ReturnCode = TREE_PP_SUBMIT_REQUEST_TO_PREOS_GENERAL_FAILURE;
- DEBUG ((EFI_D_ERROR, "[TPM2] Set PP variable failure! Status = %r\n", Status));
- return EFI_SUCCESS;
- }
- mTcgNvs->PhysicalPresence.ReturnCode = TREE_PP_SUBMIT_REQUEST_TO_PREOS_SUCCESS;
-
- if (mTcgNvs->PhysicalPresence.Request >= TREE_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION) {
- DataSize = sizeof (EFI_TREE_PHYSICAL_PRESENCE_FLAGS);
- Status = mSmmVariable->SmmGetVariable (
- TREE_PHYSICAL_PRESENCE_FLAGS_VARIABLE,
- &gEfiTrEEPhysicalPresenceGuid,
- NULL,
- &DataSize,
- &Flags
- );
- if (EFI_ERROR (Status)) {
- Flags.PPFlags = 0;
- }
- mTcgNvs->PhysicalPresence.ReturnCode = TrEEPpVendorLibSubmitRequestToPreOSFunction (mTcgNvs->PhysicalPresence.Request, Flags.PPFlags);
- }
- } else if (mTcgNvs->PhysicalPresence.Parameter == ACPI_FUNCTION_GET_USER_CONFIRMATION_STATUS_FOR_REQUEST) {
- if (EFI_ERROR (Status)) {
- mTcgNvs->PhysicalPresence.ReturnCode = TREE_PP_GET_USER_CONFIRMATION_BLOCKED_BY_BIOS_CONFIGURATION;
- DEBUG ((EFI_D_ERROR, "[TPM2] Get PP variable failure! Status = %r\n", Status));
- return EFI_SUCCESS;
- }
- //
- // Get the Physical Presence flags
- //
- DataSize = sizeof (EFI_TREE_PHYSICAL_PRESENCE_FLAGS);
- Status = mSmmVariable->SmmGetVariable (
- TREE_PHYSICAL_PRESENCE_FLAGS_VARIABLE,
- &gEfiTrEEPhysicalPresenceGuid,
- NULL,
- &DataSize,
- &Flags
- );
- if (EFI_ERROR (Status)) {
- mTcgNvs->PhysicalPresence.ReturnCode = TREE_PP_GET_USER_CONFIRMATION_BLOCKED_BY_BIOS_CONFIGURATION;
- DEBUG ((EFI_D_ERROR, "[TPM2] Get PP flags failure! Status = %r\n", Status));
- return EFI_SUCCESS;
- }
-
- RequestConfirmed = FALSE;
-
- switch (mTcgNvs->PhysicalPresence.Request) {
-
- case TREE_PHYSICAL_PRESENCE_CLEAR_CONTROL_CLEAR:
- case TREE_PHYSICAL_PRESENCE_CLEAR_CONTROL_CLEAR_2:
- case TREE_PHYSICAL_PRESENCE_CLEAR_CONTROL_CLEAR_3:
- case TREE_PHYSICAL_PRESENCE_CLEAR_CONTROL_CLEAR_4:
- if ((Flags.PPFlags & TREE_BIOS_TPM_MANAGEMENT_FLAG_NO_PPI_CLEAR) != 0) {
- RequestConfirmed = TRUE;
- }
- break;
-
- case TREE_PHYSICAL_PRESENCE_SET_NO_PPI_CLEAR_FALSE:
- RequestConfirmed = TRUE;
- break;
-
- case TREE_PHYSICAL_PRESENCE_SET_NO_PPI_CLEAR_TRUE:
- break;
-
- default:
- if (mTcgNvs->PhysicalPresence.Request <= TREE_PHYSICAL_PRESENCE_NO_ACTION_MAX) {
- RequestConfirmed = TRUE;
- } else {
- if (mTcgNvs->PhysicalPresence.Request < TREE_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION) {
- mTcgNvs->PhysicalPresence.ReturnCode = TREE_PP_GET_USER_CONFIRMATION_NOT_IMPLEMENTED;
- return EFI_SUCCESS;
- }
- }
- break;
- }
-
- if (RequestConfirmed) {
- mTcgNvs->PhysicalPresence.ReturnCode = TREE_PP_GET_USER_CONFIRMATION_ALLOWED_AND_PPUSER_NOT_REQUIRED;
- } else {
- mTcgNvs->PhysicalPresence.ReturnCode = TREE_PP_GET_USER_CONFIRMATION_ALLOWED_AND_PPUSER_REQUIRED;
- }
- if (mTcgNvs->PhysicalPresence.Request >= TREE_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION) {
- mTcgNvs->PhysicalPresence.ReturnCode = TrEEPpVendorLibGetUserConfirmationStatusFunction (mTcgNvs->PhysicalPresence.Request, Flags.PPFlags);
- }
- }
-
- return EFI_SUCCESS;
-}
-
-
-/**
- Software SMI callback for MemoryClear which is called from ACPI method.
-
- Caution: This function may receive untrusted input.
- Variable and ACPINvs are external input, so this function will validate
- its data structure to be valid value.
-
- @param[in] DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().
- @param[in] Context Points to an optional handler context which was specified when the
- handler was registered.
- @param[in, out] CommBuffer A pointer to a collection of data in memory that will
- be conveyed from a non-SMM environment into an SMM environment.
- @param[in, out] CommBufferSize The size of the CommBuffer.
-
- @retval EFI_SUCCESS The interrupt was handled successfully.
-
-**/
-EFI_STATUS
-EFIAPI
-MemoryClearCallback (
- IN EFI_HANDLE DispatchHandle,
- IN CONST VOID *Context,
- IN OUT VOID *CommBuffer,
- IN OUT UINTN *CommBufferSize
- )
-{
- EFI_STATUS Status;
- UINTN DataSize;
- UINT8 MorControl;
-
- mTcgNvs->MemoryClear.ReturnCode = MOR_REQUEST_SUCCESS;
- if (mTcgNvs->MemoryClear.Parameter == ACPI_FUNCTION_DSM_MEMORY_CLEAR_INTERFACE) {
- MorControl = (UINT8) mTcgNvs->MemoryClear.Request;
- } else if (mTcgNvs->MemoryClear.Parameter == ACPI_FUNCTION_PTS_CLEAR_MOR_BIT) {
- DataSize = sizeof (UINT8);
- Status = mSmmVariable->SmmGetVariable (
- MEMORY_OVERWRITE_REQUEST_VARIABLE_NAME,
- &gEfiMemoryOverwriteControlDataGuid,
- NULL,
- &DataSize,
- &MorControl
- );
- if (EFI_ERROR (Status)) {
- mTcgNvs->MemoryClear.ReturnCode = MOR_REQUEST_GENERAL_FAILURE;
- DEBUG ((EFI_D_ERROR, "[TPM] Get MOR variable failure! Status = %r\n", Status));
- return EFI_SUCCESS;
- }
-
- if (MOR_CLEAR_MEMORY_VALUE (MorControl) == 0x0) {
- return EFI_SUCCESS;
- }
- MorControl &= ~MOR_CLEAR_MEMORY_BIT_MASK;
- }
-
- DataSize = sizeof (UINT8);
- Status = mSmmVariable->SmmSetVariable (
- MEMORY_OVERWRITE_REQUEST_VARIABLE_NAME,
- &gEfiMemoryOverwriteControlDataGuid,
- EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
- DataSize,
- &MorControl
- );
- if (EFI_ERROR (Status)) {
- mTcgNvs->MemoryClear.ReturnCode = MOR_REQUEST_GENERAL_FAILURE;
- DEBUG ((EFI_D_ERROR, "[TPM] Set MOR variable failure! Status = %r\n", Status));
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- Find the operation region in TCG ACPI table by given Name and Size,
- and initialize it if the region is found.
-
- @param[in, out] Table The TPM item in ACPI table.
- @param[in] Name The name string to find in TPM table.
- @param[in] Size The size of the region to find.
-
- @return The allocated address for the found region.
-
-**/
-VOID *
-AssignOpRegion (
- EFI_ACPI_DESCRIPTION_HEADER *Table,
- UINT32 Name,
- UINT16 Size
- )
-{
- EFI_STATUS Status;
- AML_OP_REGION_32_8 *OpRegion;
- EFI_PHYSICAL_ADDRESS MemoryAddress;
-
- MemoryAddress = SIZE_4GB - 1;
-
- //
- // Patch some pointers for the ASL code before loading the SSDT.
- //
- for (OpRegion = (AML_OP_REGION_32_8 *) (Table + 1);
- OpRegion <= (AML_OP_REGION_32_8 *) ((UINT8 *) Table + Table->Length);
- OpRegion = (AML_OP_REGION_32_8 *) ((UINT8 *) OpRegion + 1)) {
- if ((OpRegion->OpRegionOp == AML_EXT_REGION_OP) &&
- (OpRegion->NameString == Name) &&
- (OpRegion->DWordPrefix == AML_DWORD_PREFIX) &&
- (OpRegion->BytePrefix == AML_BYTE_PREFIX)) {
-
- Status = gBS->AllocatePages(AllocateMaxAddress, EfiACPIMemoryNVS, EFI_SIZE_TO_PAGES (Size), &MemoryAddress);
- ASSERT_EFI_ERROR (Status);
- ZeroMem ((VOID *)(UINTN)MemoryAddress, Size);
- OpRegion->RegionOffset = (UINT32) (UINTN) MemoryAddress;
- OpRegion->RegionLen = (UINT8) Size;
- break;
- }
- }
-
- return (VOID *) (UINTN) MemoryAddress;
-}
-
-/**
- Initialize and publish TPM items in ACPI table.
-
- @retval EFI_SUCCESS The TCG ACPI table is published successfully.
- @retval Others The TCG ACPI table is not published.
-
-**/
-EFI_STATUS
-PublishAcpiTable (
- VOID
- )
-{
- EFI_STATUS Status;
- EFI_ACPI_TABLE_PROTOCOL *AcpiTable;
- UINTN TableKey;
- EFI_ACPI_DESCRIPTION_HEADER *Table;
- UINTN TableSize;
-
- Status = GetSectionFromFv (
- &gEfiCallerIdGuid,
- EFI_SECTION_RAW,
- 0,
- (VOID **) &Table,
- &TableSize
- );
- ASSERT_EFI_ERROR (Status);
-
-
- //
- // Measure to PCR[0] with event EV_POST_CODE ACPI DATA
- //
- TpmMeasureAndLogData(
- 0,
- EV_POST_CODE,
- EV_POSTCODE_INFO_ACPI_DATA,
- ACPI_DATA_LEN,
- Table,
- TableSize
- );
-
-
- ASSERT (Table->OemTableId == SIGNATURE_64 ('T', 'p', 'm', '2', 'T', 'a', 'b', 'l'));
- CopyMem (Table->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (Table->OemId) );
- mTcgNvs = AssignOpRegion (Table, SIGNATURE_32 ('T', 'N', 'V', 'S'), (UINT16) sizeof (TCG_NVS));
- ASSERT (mTcgNvs != NULL);
-
- //
- // Publish the TPM ACPI table
- //
- Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID **) &AcpiTable);
- ASSERT_EFI_ERROR (Status);
-
- TableKey = 0;
- Status = AcpiTable->InstallAcpiTable (
- AcpiTable,
- Table,
- TableSize,
- &TableKey
- );
- ASSERT_EFI_ERROR (Status);
-
- return Status;
-}
-
-/**
- Publish TPM2 ACPI table
-
- @retval EFI_SUCCESS The TPM2 ACPI table is published successfully.
- @retval Others The TPM2 ACPI table is not published.
-
-**/
-EFI_STATUS
-PublishTpm2 (
- VOID
- )
-{
- EFI_STATUS Status;
- EFI_ACPI_TABLE_PROTOCOL *AcpiTable;
- UINTN TableKey;
- UINT64 OemTableId;
-
- //
- // Measure to PCR[0] with event EV_POST_CODE ACPI DATA
- //
- TpmMeasureAndLogData(
- 0,
- EV_POST_CODE,
- EV_POSTCODE_INFO_ACPI_DATA,
- ACPI_DATA_LEN,
- &mTpm2AcpiTemplate,
- sizeof(mTpm2AcpiTemplate)
- );
-
- CopyMem (mTpm2AcpiTemplate.Header.OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (mTpm2AcpiTemplate.Header.OemId));
- OemTableId = PcdGet64 (PcdAcpiDefaultOemTableId);
- CopyMem (&mTpm2AcpiTemplate.Header.OemTableId, &OemTableId, sizeof (UINT64));
- mTpm2AcpiTemplate.Header.OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);
- mTpm2AcpiTemplate.Header.CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);
- mTpm2AcpiTemplate.Header.CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);
-
- //
- // Construct ACPI table
- //
- Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID **) &AcpiTable);
- ASSERT_EFI_ERROR (Status);
-
- Status = AcpiTable->InstallAcpiTable (
- AcpiTable,
- &mTpm2AcpiTemplate,
- sizeof(mTpm2AcpiTemplate),
- &TableKey
- );
- ASSERT_EFI_ERROR (Status);
-
- return Status;
-}
-
-/**
- The driver's entry point.
-
- It install callbacks for TPM physical presence and MemoryClear, and locate
- SMM variable to be used in the callback function.
-
- @param[in] ImageHandle The firmware allocated handle for the EFI image.
- @param[in] SystemTable A pointer to the EFI System Table.
-
- @retval EFI_SUCCESS The entry point is executed successfully.
- @retval Others Some error occurs when executing this entry point.
-
-**/
-EFI_STATUS
-EFIAPI
-InitializeTcgSmm (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
- EFI_SMM_SW_DISPATCH2_PROTOCOL *SwDispatch;
- EFI_SMM_SW_REGISTER_CONTEXT SwContext;
- EFI_HANDLE SwHandle;
-
- if (!CompareGuid (PcdGetPtr(PcdTpmInstanceGuid), &gEfiTpmDeviceInstanceTpm20DtpmGuid)){
- DEBUG ((EFI_D_ERROR, "No TPM2 DTPM instance required!\n"));
- return EFI_UNSUPPORTED;
- }
-
- Status = PublishAcpiTable ();
- ASSERT_EFI_ERROR (Status);
-
- //
- // Get the Sw dispatch protocol and register SMI callback functions.
- //
- Status = gSmst->SmmLocateProtocol (&gEfiSmmSwDispatch2ProtocolGuid, NULL, (VOID**)&SwDispatch);
- ASSERT_EFI_ERROR (Status);
- SwContext.SwSmiInputValue = (UINTN) -1;
- Status = SwDispatch->Register (SwDispatch, PhysicalPresenceCallback, &SwContext, &SwHandle);
- ASSERT_EFI_ERROR (Status);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- mTcgNvs->PhysicalPresence.SoftwareSmi = (UINT8) SwContext.SwSmiInputValue;
-
- SwContext.SwSmiInputValue = (UINTN) -1;
- Status = SwDispatch->Register (SwDispatch, MemoryClearCallback, &SwContext, &SwHandle);
- ASSERT_EFI_ERROR (Status);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- mTcgNvs->MemoryClear.SoftwareSmi = (UINT8) SwContext.SwSmiInputValue;
-
- //
- // Locate SmmVariableProtocol.
- //
- Status = gSmst->SmmLocateProtocol (&gEfiSmmVariableProtocolGuid, NULL, (VOID**)&mSmmVariable);
- ASSERT_EFI_ERROR (Status);
-
- //
- // Set TPM2 ACPI table
- //
- Status = PublishTpm2 ();
- ASSERT_EFI_ERROR (Status);
-
-
- return EFI_SUCCESS;
-}
-
diff --git a/SecurityPkg/Tcg/TrEESmm/TrEESmm.h b/SecurityPkg/Tcg/TrEESmm/TrEESmm.h deleted file mode 100644 index a0e1182..0000000 --- a/SecurityPkg/Tcg/TrEESmm/TrEESmm.h +++ /dev/null @@ -1,105 +0,0 @@ -/** @file
- The header file for TrEE SMM driver.
-
-Copyright (c) 2013 - 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 __TREE_SMM_H__
-#define __TREE_SMM_H__
-
-#include <PiDxe.h>
-#include <IndustryStandard/Acpi.h>
-#include <IndustryStandard/Tpm2Acpi.h>
-
-#include <Guid/TrEEPhysicalPresenceData.h>
-#include <Guid/MemoryOverwriteControl.h>
-#include <Guid/TpmInstance.h>
-
-#include <Protocol/SmmSwDispatch2.h>
-#include <Protocol/AcpiTable.h>
-#include <Protocol/SmmVariable.h>
-#include <Protocol/TrEEProtocol.h>
-
-#include <Library/BaseLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/DebugLib.h>
-#include <Library/SmmServicesTableLib.h>
-#include <Library/UefiDriverEntryPoint.h>
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/DxeServicesLib.h>
-#include <Library/TpmMeasurementLib.h>
-#include <Library/Tpm2DeviceLib.h>
-#include <Library/TrEEPpVendorLib.h>
-
-#pragma pack(1)
-typedef struct {
- UINT8 SoftwareSmi;
- UINT32 Parameter;
- UINT32 Response;
- UINT32 Request;
- UINT32 LastRequest;
- UINT32 ReturnCode;
-} PHYSICAL_PRESENCE_NVS;
-
-typedef struct {
- UINT8 SoftwareSmi;
- UINT32 Parameter;
- UINT32 Request;
- UINT32 ReturnCode;
-} MEMORY_CLEAR_NVS;
-
-typedef struct {
- PHYSICAL_PRESENCE_NVS PhysicalPresence;
- MEMORY_CLEAR_NVS MemoryClear;
-} TCG_NVS;
-
-typedef struct {
- UINT8 OpRegionOp;
- UINT32 NameString;
- UINT8 RegionSpace;
- UINT8 DWordPrefix;
- UINT32 RegionOffset;
- UINT8 BytePrefix;
- UINT8 RegionLen;
-} AML_OP_REGION_32_8;
-#pragma pack()
-
-//
-// The definition for TCG physical presence ACPI function
-//
-#define ACPI_FUNCTION_GET_PHYSICAL_PRESENCE_INTERFACE_VERSION 1
-#define ACPI_FUNCTION_SUBMIT_REQUEST_TO_BIOS 2
-#define ACPI_FUNCTION_GET_PENDING_REQUEST_BY_OS 3
-#define ACPI_FUNCTION_GET_PLATFORM_ACTION_TO_TRANSITION_TO_BIOS 4
-#define ACPI_FUNCTION_RETURN_REQUEST_RESPONSE_TO_OS 5
-#define ACPI_FUNCTION_SUBMIT_PREFERRED_USER_LANGUAGE 6
-#define ACPI_FUNCTION_SUBMIT_REQUEST_TO_BIOS_2 7
-#define ACPI_FUNCTION_GET_USER_CONFIRMATION_STATUS_FOR_REQUEST 8
-
-//
-// The return code for Return TPM Operation Response to OS Environment
-//
-#define PP_RETURN_TPM_OPERATION_RESPONSE_SUCCESS 0
-#define PP_RETURN_TPM_OPERATION_RESPONSE_FAILURE 1
-
-//
-// The definition for TCG MOR
-//
-#define ACPI_FUNCTION_DSM_MEMORY_CLEAR_INTERFACE 1
-#define ACPI_FUNCTION_PTS_CLEAR_MOR_BIT 2
-
-//
-// The return code for Memory Clear Interface Functions
-//
-#define MOR_REQUEST_SUCCESS 0
-#define MOR_REQUEST_GENERAL_FAILURE 1
-
-#endif // __TCG_SMM_H__
diff --git a/SecurityPkg/Tcg/TrEESmm/TrEESmm.inf b/SecurityPkg/Tcg/TrEESmm/TrEESmm.inf deleted file mode 100644 index de71ffd..0000000 --- a/SecurityPkg/Tcg/TrEESmm/TrEESmm.inf +++ /dev/null @@ -1,85 +0,0 @@ -## @file
-# Provides ACPI metholds for TPM 2.0 support
-#
-# This driver implements TPM 2.0 definition block in ACPI table and
-# registers SMI callback functions for TrEE physical presence and
-# MemoryClear to handle the requests from ACPI method.
-#
-# Caution: This module requires additional review when modified.
-# This driver will have external input - variable and ACPINvs data in SMM mode.
-# This external input must be validated carefully to avoid security issue.
-#
-# Copyright (c) 2013 - 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.
-#
-##
-
-[Defines]
- INF_VERSION = 0x00010005
- BASE_NAME = TrEESmm
- MODULE_UNI_FILE = TrEESmm.uni
- FILE_GUID = 114B7105-6CC9-453c-BADC-16DF227BB4EF
- MODULE_TYPE = DXE_SMM_DRIVER
- PI_SPECIFICATION_VERSION = 0x0001000A
- VERSION_STRING = 1.0
- ENTRY_POINT = InitializeTcgSmm
-
-[Sources]
- TrEESmm.h
- TrEESmm.c
- Tpm.asl
-
-[Packages]
- MdePkg/MdePkg.dec
- MdeModulePkg/MdeModulePkg.dec
- SecurityPkg/SecurityPkg.dec
-
-[LibraryClasses]
- BaseLib
- BaseMemoryLib
- UefiDriverEntryPoint
- SmmServicesTableLib
- UefiBootServicesTableLib
- DebugLib
- DxeServicesLib
- TpmMeasurementLib
- Tpm2DeviceLib
- TrEEPpVendorLib
-
-[Guids]
- ## SOMETIMES_PRODUCES ## Variable:L"PhysicalPresence"
- ## SOMETIMES_CONSUMES ## Variable:L"PhysicalPresence"
- ## SOMETIMES_CONSUMES ## Variable:L"PhysicalPresenceFlags"
- gEfiTrEEPhysicalPresenceGuid
-
- ## SOMETIMES_PRODUCES ## Variable:L"MemoryOverwriteRequestControl"
- ## SOMETIMES_CONSUMES ## Variable:L"MemoryOverwriteRequestControl"
- gEfiMemoryOverwriteControlDataGuid
-
- gEfiTpmDeviceInstanceTpm20DtpmGuid ## PRODUCES ## GUID # TPM device identifier
-
-[Protocols]
- gEfiSmmSwDispatch2ProtocolGuid ## CONSUMES
- gEfiSmmVariableProtocolGuid ## CONSUMES
- gEfiAcpiTableProtocolGuid ## CONSUMES
-
-[Pcd]
- gEfiSecurityPkgTokenSpaceGuid.PcdTpmInstanceGuid ## CONSUMES
- gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultOemId ## SOMETIMES_CONSUMES
- gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultOemTableId ## SOMETIMES_CONSUMES
- gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultOemRevision ## SOMETIMES_CONSUMES
- gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultCreatorId ## SOMETIMES_CONSUMES
- gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultCreatorRevision ## SOMETIMES_CONSUMES
-
-[Depex]
- gEfiAcpiTableProtocolGuid AND
- gEfiSmmSwDispatch2ProtocolGuid AND
- gEfiSmmVariableProtocolGuid
-
-[UserExtensions.TianoCore."ExtraFiles"]
- TrEESmmExtra.uni
\ No newline at end of file diff --git a/SecurityPkg/Tcg/TrEESmm/TrEESmm.uni b/SecurityPkg/Tcg/TrEESmm/TrEESmm.uni deleted file mode 100644 index 3123918..0000000 --- a/SecurityPkg/Tcg/TrEESmm/TrEESmm.uni +++ /dev/null @@ -1,28 +0,0 @@ -// /** @file
-// Provides ACPI metholds for TPM 2.0 support
-//
-// This driver implements TPM 2.0 definition block in ACPI table and
-// registers SMI callback functions for TrEE physical presence and
-// MemoryClear to handle the requests from ACPI method.
-//
-// Caution: This module requires additional review when modified.
-// This driver will have external input - variable and ACPINvs data in SMM mode.
-// This external input must be validated carefully to avoid security issue.
-//
-// Copyright (c) 2013 - 2014, 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.
-//
-// **/
-
-
-#string STR_MODULE_ABSTRACT #language en-US "Provides ACPI metholds for TPM 2.0 support"
-
-#string STR_MODULE_DESCRIPTION #language en-US "This driver implements TPM 2.0 definition block in ACPI table and registers SMI callback functions for TrEE physical presence and MemoryClear to handle the requests from ACPI method.\n"
- "Caution: This module requires additional review when modified. This driver will have external input - variable and ACPINvs data in SMM mode. This external input must be validated carefully to avoid security issues."
-
diff --git a/SecurityPkg/Tcg/TrEESmm/TrEESmmExtra.uni b/SecurityPkg/Tcg/TrEESmm/TrEESmmExtra.uni deleted file mode 100644 index c7e4da2..0000000 --- a/SecurityPkg/Tcg/TrEESmm/TrEESmmExtra.uni +++ /dev/null @@ -1,19 +0,0 @@ -// /** @file
-// TrEESmm Localized Strings and Content
-//
-// Copyright (c) 2014, 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.
-//
-// **/
-
-#string STR_PROPERTIES_MODULE_NAME
-#language en-US
-"TrEE (Trusted Execution Environment) SMM"
-
-
|