init. 1AQQW051HEADmaster

1 files changed, 178 insertions, 0 deletions

diff --git a/ReferenceCode/Haswell/SampleCode/TxtOneTouch/Dxe/TxtOneTouchOp.c b/ReferenceCode/Haswell/SampleCode/TxtOneTouch/Dxe/TxtOneTouchOp.c
new file mode 100644
index 0000000..860e90d
--- /dev/null
+++ b/ReferenceCode/Haswell/SampleCode/TxtOneTouch/Dxe/TxtOneTouchOp.c
@@ -0,0 +1,178 @@
+/** @file
+
+@copyright
+  Copyright (c) 1999 - 2012 Intel Corporation. All rights reserved
+  This software and associated documentation (if any) is furnished
+  under a license and may only be used or copied in accordance
+  with the terms of the license. Except as permitted by such
+  license, no part of this software or documentation may be
+  reproduced, stored in a retrieval system, or transmitted in any
+  form or by any means without the express written consent of
+  Intel Corporation.
+
+  This file contains a 'Sample Driver' and is licensed as such
+  under the terms of your license agreement with Intel or your
+  vendor.  This file may be modified by the user, subject to
+  the additional terms of the license agreement
+**/
+#include "TxtOneTouchDxe.h"
+#include "Tpm12.h"
+#include "CpuIa32.h"
+
+extern EFI_TCG_PROTOCOL *mTcgProtocol;
+
+/**
+  Execute TPM command
+
+  @param[in] TcgProtocol             - Point to EFI_TCG_PROTOCOL
+  @param[in] Ordinal                 - TPM Command code
+  @param[in] AdditionalParameterSize - Size of additional parameters
+  @param[in] AdditionalParameters    - Point to the buffer saves additional parameters
+
+  @retval EFI_SUCCESS                - TPM command lunch success
+  @retval TPM_PP_BIOS_FAILURE        - BIOS fail to execute TPM command
+**/
+TPM_RESULT
+TpmCommandNoReturnData (
+  IN EFI_TCG_PROTOCOL *TcgProtocol,
+  IN TPM_COMMAND_CODE Ordinal,
+  IN UINTN            AdditionalParameterSize,
+  IN VOID             *AdditionalParameters
+  )
+{
+  EFI_STATUS          Status;
+  TPM_RQU_COMMAND_HDR *TpmRqu;
+  TPM_RSP_COMMAND_HDR TpmRsp;
+  UINT32              Size;
+
+  TpmRqu = (TPM_RQU_COMMAND_HDR *) AllocatePool (sizeof (*TpmRqu) + AdditionalParameterSize);
+  if (TpmRqu == NULL) {
+    return TPM_PP_BIOS_FAILURE;
+  }
+
+  TpmRqu->tag       = H2NS (TPM_TAG_RQU_COMMAND);
+  Size              = (UINT32) (sizeof (*TpmRqu) + AdditionalParameterSize);
+  TpmRqu->paramSize = H2NL (Size);
+  TpmRqu->ordinal   = H2NL (Ordinal);
+  CopyMem (TpmRqu + 1, AdditionalParameters, AdditionalParameterSize);
+
+  Status = TcgProtocol->PassThroughToTpm (
+                  TcgProtocol,
+                  Size,
+                  (UINT8 *) TpmRqu,
+                  (UINT32) sizeof (TpmRsp),
+                  (UINT8 *) &TpmRsp
+                  );
+  FreePool (TpmRqu);
+  if (EFI_ERROR (Status) || (TpmRsp.tag != H2NS (TPM_TAG_RSP_COMMAND))) {
+    return TPM_PP_BIOS_FAILURE;
+  }
+
+  return H2NL (TpmRsp.returnCode);
+}
+
+/**
+  Enable/Active TPM
+
+  @param[in] Command  - The operation code for TxT One Touch function
+
+  @retval EFI_SUCCESS        - TPM command lunch success
+  @retval EFI_UNSUPPORTED    - The Command is not supported
+  @retval EFI_DEVICE_ERROR   - Faile to lunch TPM command
+**/
+EFI_STATUS
+TpmEnableActive (
+  IN UINT8 Command
+  )
+{
+  TPM_RESULT TpmResponse;
+  EFI_STATUS Status;
+  BOOLEAN    BoolVal;
+
+  BoolVal     = FALSE;
+  TpmResponse = 0;
+  Status      = EFI_SUCCESS;
+
+  switch (Command) {
+    case ENABLE:
+      TpmResponse = TpmCommandNoReturnData (
+                      mTcgProtocol,
+                      TPM_ORD_PhysicalEnable,
+                      0,
+                      NULL
+                      );
+      break;
+
+    case ACTIVATE:
+      BoolVal = FALSE;
+      TpmResponse = TpmCommandNoReturnData (
+                      mTcgProtocol,
+                      TPM_ORD_PhysicalSetDeactivated,
+                      sizeof (BoolVal),
+                      &BoolVal
+                      );
+      break;
+
+    case ENABLE_ACTIVATE:
+      Status = TpmEnableActive (ENABLE);
+      if (Status == EFI_SUCCESS) {
+        Status = TpmEnableActive (ACTIVATE);
+      }
+
+      return Status;
+
+    default:
+      Status = EFI_UNSUPPORTED;
+      break;
+  }
+
+  if (TpmResponse != 0) {
+    Status = EFI_DEVICE_ERROR;
+  }
+
+  return Status;
+}
+
+/**
+  Verify the status of Chipset capaibility and Setup settings
+
+  @param[in] Data  - Point to TXT_ONE_TOUCH_SETUP
+
+  @exception EFI_UNSUPPORTED - The system is not able to lunch TxT
+  @retval EFI_SUCCESS - The system is able to lunch TxT
+**/
+EFI_STATUS
+ValidateTxtStates (
+  IN TXT_ONE_TOUCH_SETUP *Data
+  )
+{
+  EFI_CPUID_REGISTER CpuidRegs;
+
+  AsmCpuid (
+          1,
+          &CpuidRegs.RegEax,
+          &CpuidRegs.RegEbx,
+          &CpuidRegs.RegEcx,
+          &CpuidRegs.RegEdx
+          );
+
+  if (Data->VtEnable) {
+    ///
+    /// Check if VMX supported
+    ///
+    if ((CpuidRegs.RegEcx & 0x020) == 0) {
+      return EFI_UNSUPPORTED;
+    }
+  }
+
+  if (Data->TxtEnable) {
+    ///
+    /// Check if TxT & VMX supported
+    ///
+    if ((CpuidRegs.RegEcx & 0x060) == 0) {
+      return EFI_UNSUPPORTED;
+    }
+  }
+
+  return EFI_SUCCESS;
+}