mirror of https://github.com/acidanthera/audk.git
SecurityPkg/TrEESmm: remove TrEE.
TrEE is deprecated. We need use Tcg2. Cc: Chao B Zhang <chao.b.zhang@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Jiewen Yao <jiewen.yao@intel.com> Reviewed-by: Chao B Zhang <chao.b.zhang@intel.com>
This commit is contained in:
Jiewen Yao
parent
ff469eae2c
commit
53a6b65604
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@ -1,354 +0,0 @@
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/** @file
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The TPM2 definition block in ACPI table for TrEE physical presence
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and MemoryClear.
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Copyright (c) 2013 - 2015, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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DefinitionBlock (
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"Tpm.aml",
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"SSDT",
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2,
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"INTEL ",
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"Tpm2Tabl",
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0x1000
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)
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{
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Scope (\_SB)
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{
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Device (TPM)
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{
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//
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// TREE
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//
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Name (_HID, "MSFT0101")
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//
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// Readable name of this device, don't know if this way is correct yet
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//
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Name (_STR, Unicode ("TPM 2.0 Device"))
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//
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// Return the resource consumed by TPM device
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//
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Name (_CRS, ResourceTemplate () {
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Memory32Fixed (ReadWrite, 0xfed40000, 0x5000)
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})
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//
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// Operational region for Smi port access
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//
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OperationRegion (SMIP, SystemIO, 0xB2, 1)
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Field (SMIP, ByteAcc, NoLock, Preserve)
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{
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IOB2, 8
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}
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//
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// Operational region for TPM access
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//
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OperationRegion (TPMR, SystemMemory, 0xfed40000, 0x5000)
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Field (TPMR, AnyAcc, NoLock, Preserve)
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{
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ACC0, 8,
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}
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//
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// Operational region for TPM support, TPM Physical Presence and TPM Memory Clear
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// Region Offset 0xFFFF0000 and Length 0xF0 will be fixed in C code.
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//
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OperationRegion (TNVS, SystemMemory, 0xFFFF0000, 0xF0)
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Field (TNVS, AnyAcc, NoLock, Preserve)
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{
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PPIN, 8, // Software SMI for Physical Presence Interface
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PPIP, 32, // Used for save physical presence paramter
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PPRP, 32, // Physical Presence request operation response
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PPRQ, 32, // Physical Presence request operation
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LPPR, 32, // Last Physical Presence request operation
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FRET, 32, // Physical Presence function return code
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MCIN, 8, // Software SMI for Memory Clear Interface
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MCIP, 32, // Used for save the Mor paramter
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MORD, 32, // Memory Overwrite Request Data
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MRET, 32 // Memory Overwrite function return code
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}
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Method (PTS, 1, Serialized)
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{
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//
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// Detect Sx state for MOR, only S4, S5 need to handle
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//
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If (LAnd (LLess (Arg0, 6), LGreater (Arg0, 3)))
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{
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//
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// Bit4 -- DisableAutoDetect. 0 -- Firmware MAY autodetect.
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//
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If (LNot (And (MORD, 0x10)))
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{
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//
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// Triggle the SMI through ACPI _PTS method.
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//
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Store (0x02, MCIP)
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//
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// Triggle the SMI interrupt
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//
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Store (MCIN, IOB2)
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}
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}
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Return (0)
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}
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Method (_STA, 0)
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{
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if (LEqual (ACC0, 0xff))
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{
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Return (0)
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}
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Return (0x0f)
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}
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//
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// TCG Hardware Information
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//
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Method (HINF, 3, Serialized, 0, {BuffObj, PkgObj}, {UnknownObj, UnknownObj, UnknownObj}) // IntObj, IntObj, PkgObj
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{
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//
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// Switch by function index
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//
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Switch (ToInteger(Arg1))
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{
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Case (0)
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{
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//
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// Standard query
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//
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Return (Buffer () {0x03})
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}
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Case (1)
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{
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//
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// Return failure if no TPM present
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//
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Name(TPMV, Package () {0x01, Package () {0x2, 0x0}})
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if (LEqual (_STA (), 0x00))
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{
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Return (Package () {0x00})
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}
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//
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// Return TPM version
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//
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Return (TPMV)
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}
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Default {BreakPoint}
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}
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Return (Buffer () {0})
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}
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Name(TPM2, Package (0x02){
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Zero,
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Zero
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})
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Name(TPM3, Package (0x03){
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Zero,
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Zero,
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Zero
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})
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//
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// TCG Physical Presence Interface
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//
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Method (TPPI, 3, Serialized, 0, {BuffObj, PkgObj, IntObj, StrObj}, {UnknownObj, UnknownObj, UnknownObj}) // IntObj, IntObj, PkgObj
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{
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//
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// Switch by function index
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//
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Switch (ToInteger(Arg1))
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{
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Case (0)
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{
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//
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// Standard query, supports function 1-8
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//
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Return (Buffer () {0xFF, 0x01})
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}
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Case (1)
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{
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//
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// a) Get Physical Presence Interface Version
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//
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Return ("1.2")
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}
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Case (2)
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{
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//
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// b) Submit TPM Operation Request to Pre-OS Environment
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//
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Store (DerefOf (Index (Arg2, 0x00)), PPRQ)
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Store (0x02, PPIP)
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//
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// Triggle the SMI interrupt
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//
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Store (PPIN, IOB2)
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Return (FRET)
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}
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Case (3)
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{
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//
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// c) Get Pending TPM Operation Requested By the OS
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//
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Store (PPRQ, Index (TPM2, 0x01))
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Return (TPM2)
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}
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Case (4)
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{
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//
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// d) Get Platform-Specific Action to Transition to Pre-OS Environment
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//
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Return (2)
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}
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Case (5)
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{
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//
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// e) Return TPM Operation Response to OS Environment
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//
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Store (0x05, PPIP)
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//
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// Triggle the SMI interrupt
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//
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Store (PPIN, IOB2)
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Store (LPPR, Index (TPM3, 0x01))
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Store (PPRP, Index (TPM3, 0x02))
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Return (TPM3)
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}
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Case (6)
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{
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//
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// f) Submit preferred user language (Not implemented)
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//
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Return (3)
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}
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Case (7)
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{
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//
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// g) Submit TPM Operation Request to Pre-OS Environment 2
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//
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Store (7, PPIP)
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Store (DerefOf (Index (Arg2, 0x00)), PPRQ)
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//
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// Triggle the SMI interrupt
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//
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Store (PPIN, IOB2)
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Return (FRET)
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}
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Case (8)
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{
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//
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// e) Get User Confirmation Status for Operation
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//
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Store (8, PPIP)
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Store (DerefOf (Index (Arg2, 0x00)), PPRQ)
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//
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// Triggle the SMI interrupt
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//
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Store (PPIN, IOB2)
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Return (FRET)
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}
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Default {BreakPoint}
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}
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Return (1)
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}
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Method (TMCI, 3, Serialized, 0, IntObj, {UnknownObj, UnknownObj, UnknownObj}) // IntObj, IntObj, PkgObj
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{
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//
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// Switch by function index
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//
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Switch (ToInteger (Arg1))
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{
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Case (0)
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{
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//
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// Standard query, supports function 1-1
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//
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Return (Buffer () {0x03})
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}
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Case (1)
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{
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//
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// Save the Operation Value of the Request to MORD (reserved memory)
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//
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Store (DerefOf (Index (Arg2, 0x00)), MORD)
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//
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// Triggle the SMI through ACPI _DSM method.
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//
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Store (0x01, MCIP)
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//
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// Triggle the SMI interrupt
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//
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Store (MCIN, IOB2)
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Return (MRET)
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}
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Default {BreakPoint}
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}
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Return (1)
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}
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Method (_DSM, 4, Serialized, 0, UnknownObj, {BuffObj, IntObj, IntObj, PkgObj})
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{
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//
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// TCG Hardware Information
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//
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If(LEqual(Arg0, ToUUID ("cf8e16a5-c1e8-4e25-b712-4f54a96702c8")))
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{
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Return (HINF (Arg1, Arg2, Arg3))
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}
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//
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// TCG Physical Presence Interface
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//
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If(LEqual(Arg0, ToUUID ("3dddfaa6-361b-4eb4-a424-8d10089d1653")))
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{
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Return (TPPI (Arg1, Arg2, Arg3))
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}
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//
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// TCG Memory Clear Interface
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//
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If(LEqual(Arg0, ToUUID ("376054ed-cc13-4675-901c-4756d7f2d45d")))
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{
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Return (TMCI (Arg1, Arg2, Arg3))
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}
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Return (Buffer () {0})
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}
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}
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}
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}
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@ -1,521 +0,0 @@
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/** @file
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It updates TPM2 items in ACPI table and registers SMI2 callback
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functions for TrEE physical presence, ClearMemory, and sample
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for dTPM StartMethod.
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Caution: This module requires additional review when modified.
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This driver will have external input - variable and ACPINvs data in SMM mode.
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This external input must be validated carefully to avoid security issue.
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PhysicalPresenceCallback() and MemoryClearCallback() will receive untrusted input and do some check.
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Copyright (c) 2013 - 2017, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "TrEESmm.h"
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EFI_TPM2_ACPI_TABLE mTpm2AcpiTemplate = {
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{
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EFI_ACPI_5_0_TRUSTED_COMPUTING_PLATFORM_2_TABLE_SIGNATURE,
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sizeof (mTpm2AcpiTemplate),
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EFI_TPM2_ACPI_TABLE_REVISION_3,
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//
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// Compiler initializes the remaining bytes to 0
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// These fields should be filled in in production
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//
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},
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0, // Flags
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0, // Control Area
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EFI_TPM2_ACPI_TABLE_START_METHOD_TIS, // StartMethod
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};
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EFI_SMM_VARIABLE_PROTOCOL *mSmmVariable;
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TCG_NVS *mTcgNvs;
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/**
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Software SMI callback for TPM physical presence which is called from ACPI method.
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Caution: This function may receive untrusted input.
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Variable and ACPINvs are external input, so this function will validate
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its data structure to be valid value.
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@param[in] DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().
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@param[in] Context Points to an optional handler context which was specified when the
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handler was registered.
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@param[in, out] CommBuffer A pointer to a collection of data in memory that will
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be conveyed from a non-SMM environment into an SMM environment.
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@param[in, out] CommBufferSize The size of the CommBuffer.
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@retval EFI_SUCCESS The interrupt was handled successfully.
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**/
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EFI_STATUS
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EFIAPI
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PhysicalPresenceCallback (
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IN EFI_HANDLE DispatchHandle,
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IN CONST VOID *Context,
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IN OUT VOID *CommBuffer,
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IN OUT UINTN *CommBufferSize
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)
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{
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EFI_STATUS Status;
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UINTN DataSize;
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EFI_TREE_PHYSICAL_PRESENCE PpData;
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EFI_TREE_PHYSICAL_PRESENCE_FLAGS Flags;
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BOOLEAN RequestConfirmed;
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//
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// Get the Physical Presence variable
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//
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DataSize = sizeof (EFI_TREE_PHYSICAL_PRESENCE);
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Status = mSmmVariable->SmmGetVariable (
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TREE_PHYSICAL_PRESENCE_VARIABLE,
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&gEfiTrEEPhysicalPresenceGuid,
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NULL,
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&DataSize,
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&PpData
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);
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DEBUG ((EFI_D_INFO, "[TPM2] PP callback, Parameter = %x, Request = %x\n", mTcgNvs->PhysicalPresence.Parameter, mTcgNvs->PhysicalPresence.Request));
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if (mTcgNvs->PhysicalPresence.Parameter == ACPI_FUNCTION_RETURN_REQUEST_RESPONSE_TO_OS) {
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if (EFI_ERROR (Status)) {
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mTcgNvs->PhysicalPresence.ReturnCode = PP_RETURN_TPM_OPERATION_RESPONSE_FAILURE;
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mTcgNvs->PhysicalPresence.LastRequest = 0;
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mTcgNvs->PhysicalPresence.Response = 0;
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DEBUG ((EFI_D_ERROR, "[TPM2] Get PP variable failure! Status = %r\n", Status));
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return EFI_SUCCESS;
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}
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mTcgNvs->PhysicalPresence.ReturnCode = PP_RETURN_TPM_OPERATION_RESPONSE_SUCCESS;
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mTcgNvs->PhysicalPresence.LastRequest = PpData.LastPPRequest;
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mTcgNvs->PhysicalPresence.Response = PpData.PPResponse;
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} else if ((mTcgNvs->PhysicalPresence.Parameter == ACPI_FUNCTION_SUBMIT_REQUEST_TO_BIOS)
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|| (mTcgNvs->PhysicalPresence.Parameter == ACPI_FUNCTION_SUBMIT_REQUEST_TO_BIOS_2)) {
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if (EFI_ERROR (Status)) {
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mTcgNvs->PhysicalPresence.ReturnCode = TREE_PP_SUBMIT_REQUEST_TO_PREOS_GENERAL_FAILURE;
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DEBUG ((EFI_D_ERROR, "[TPM2] Get PP variable failure! Status = %r\n", Status));
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return EFI_SUCCESS;
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}
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if ((mTcgNvs->PhysicalPresence.Request > TREE_PHYSICAL_PRESENCE_NO_ACTION_MAX) &&
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(mTcgNvs->PhysicalPresence.Request < TREE_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION) ) {
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//
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// This command requires UI to prompt user for Auth data.
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//
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mTcgNvs->PhysicalPresence.ReturnCode = TREE_PP_SUBMIT_REQUEST_TO_PREOS_NOT_IMPLEMENTED;
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return EFI_SUCCESS;
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}
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if (PpData.PPRequest != mTcgNvs->PhysicalPresence.Request) {
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PpData.PPRequest = (UINT8) mTcgNvs->PhysicalPresence.Request;
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DataSize = sizeof (EFI_TREE_PHYSICAL_PRESENCE);
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Status = mSmmVariable->SmmSetVariable (
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TREE_PHYSICAL_PRESENCE_VARIABLE,
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&gEfiTrEEPhysicalPresenceGuid,
|
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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;
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DEBUG ((EFI_D_ERROR, "[TPM2] Set PP variable failure! Status = %r\n", Status));
|
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return EFI_SUCCESS;
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||||
}
|
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mTcgNvs->PhysicalPresence.ReturnCode = TREE_PP_SUBMIT_REQUEST_TO_PREOS_SUCCESS;
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||||
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if (mTcgNvs->PhysicalPresence.Request >= TREE_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION) {
|
||||
DataSize = sizeof (EFI_TREE_PHYSICAL_PRESENCE_FLAGS);
|
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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);
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||||
}
|
||||
} 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;
|
||||
}
|
||||
|
||||
|
|
@ -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__
|
||||
|
|
@ -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
|
||||
|
|
@ -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."
|
||||
|
||||
|
|
@ -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"
|
||||
|
||||
|
||||
Loading…
Reference in New Issue