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[mirror_edk2.git] / Vlv2TbltDevicePkg / SmBiosMiscDxe / MiscSubclassDriverEntryPoint.c

diff --git a/Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscSubclassDriverEntryPoint.c b/Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscSubclassDriverEntryPoint.c
new file mode 100644 (file)
index 0000000..cae5a8e
--- /dev/null
+++ b/Vlv2TbltDevicePkg/SmBiosMiscDxe/MiscSubclassDriverEntryPoint.c
@@ -0,0 +1,174 @@
+/** @file\r
+\r
+Copyright (c) 2004  - 2014, Intel Corporation. All rights reserved.<BR>\r
+                                                                                   \r\r
+  This program and the accompanying materials are licensed and made available under\r\r
+  the terms and conditions of the BSD License that accompanies this distribution.  \r\r
+  The full text of the license may be found at                                     \r\r
+  http://opensource.org/licenses/bsd-license.php.                                  \r\r
+                                                                                   \r\r
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,            \r\r
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.    \r\r
+                                                                                   \r\r
+\r
+\r
+Module Name:\r
+\r
+  MiscSubclassDriverEntryPoint.c\r
+\r
+Abstract:\r
+\r
+  This driver parses the mMiscSubclassDataTable structure and reports\r
+  any generated data to the DataHub.\r
+\r
+\r
+**/\r
+\r
+\r
+#include "CommonHeader.h"\r
+\r
+#include "MiscSubclassDriver.h"\r
+#include <Protocol/HiiString.h>\r
+\r
+EFI_HII_HANDLE  mHiiHandle;\r
+EFI_HII_STRING_PROTOCOL  *mHiiString;\r
+\r
+\r
+EFI_STRING\r
+EFIAPI\r
+SmbiosMiscGetString (\r
+  IN EFI_STRING_ID   StringId\r
+  ){\r
+\r
+  EFI_STATUS  Status;\r
+  UINTN       StringSize;\r
+  CHAR16      TempString;\r
+  EFI_STRING  String;\r
+  String             = NULL;\r
+\r
+  //\r
+  // Retrieve the size of the string in the string package for the BestLanguage\r
+  //\r
+  StringSize = 0;\r
+  Status = mHiiString->GetString (\r
+                         mHiiString,\r
+                         "en-US",\r
+                         mHiiHandle,\r
+                         StringId,\r
+                         &TempString,\r
+                         &StringSize,\r
+                         NULL\r
+                         );\r
+  //\r
+  // If GetString() returns EFI_SUCCESS for a zero size,\r
+  // then there are no supported languages registered for HiiHandle.  If GetString()\r
+  // returns an error other than EFI_BUFFER_TOO_SMALL, then HiiHandle is not present\r
+  // in the HII Database\r
+  //\r
+  if (Status != EFI_BUFFER_TOO_SMALL) {\r
+    goto Error;\r
+  }\r
+\r
+  //\r
+  // Allocate a buffer for the return string\r
+  //\r
+  String = AllocateZeroPool (StringSize);\r
+  if (String == NULL) {\r
+    goto Error;\r
+  }\r
+\r
+  //\r
+  // Retrieve the string from the string package\r
+  //\r
+  Status = mHiiString->GetString (\r
+                         mHiiString,\r
+                         "en-US",\r
+                         mHiiHandle,\r
+                         StringId,\r
+                         String,\r
+                         &StringSize,\r
+                         NULL\r
+                         );\r
+  if (EFI_ERROR (Status)) {\r
+    //\r
+    // Free the buffer and return NULL if the supported languages can not be retrieved.\r
+    //\r
+    FreePool (String);\r
+    String = NULL;\r
+  }\r
+Error:\r
+\r
+  return String;\r
+}\r
+\r
+/**\r
+  Standard EFI driver point.  This driver parses the mMiscSubclassDataTable\r
+  structure and reports any generated data to the DataHub.\r
+\r
+  @param ImageHandle   - Handle for the image of this driver\r
+  @param SystemTable   - Pointer to the EFI System Table\r
+\r
+  @retval EFI_SUCCESS      - The data was successfully reported to the Data Hub.\r
+  @retval EFI_DEVICE_ERROR - Can not locate any protocols\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+MiscSubclassDriverEntryPoint (\r
+  IN EFI_HANDLE         ImageHandle,\r
+  IN EFI_SYSTEM_TABLE   *SystemTable\r
+  )\r
+{\r
+  UINTN                Index;\r
+  EFI_STATUS           EfiStatus;\r
+  EFI_SMBIOS_PROTOCOL  *Smbios;\r
+\r
+  //\r
+  // Retrieve the pointer to the UEFI HII String Protocol\r
+  //\r
+  EfiStatus = gBS->LocateProtocol (\r
+                     &gEfiHiiStringProtocolGuid,\r
+                     NULL,\r
+                     (VOID **) &mHiiString\r
+                     );\r
+  ASSERT_EFI_ERROR (EfiStatus);\r
+\r
+  EfiStatus = gBS->LocateProtocol(\r
+                     &gEfiSmbiosProtocolGuid,\r
+                     NULL,\r
+                     (VOID**)&Smbios\r
+                     );\r
+\r
+  if (EFI_ERROR(EfiStatus)) {\r
+    DEBUG((EFI_D_ERROR, "Could not locate SMBIOS protocol.  %r\n", EfiStatus));\r
+    return EfiStatus;\r
+  }\r
+\r
+  mHiiHandle = HiiAddPackages (\r
+                 &gEfiCallerIdGuid,\r
+                 NULL,\r
+                 MiscSubclassStrings,\r
+                 NULL\r
+                 );\r
+  ASSERT (mHiiHandle != NULL);\r
+\r
+  for (Index = 0; Index < mMiscSubclassDataTableEntries; ++Index) {\r
+    //\r
+    // If the entry have a function pointer, just log the data.\r
+    //\r
+    if (mMiscSubclassDataTable[Index].Function != NULL) {\r
+      EfiStatus = (*mMiscSubclassDataTable[Index].Function)(\r
+        mMiscSubclassDataTable[Index].RecordData,\r
+        Smbios\r
+        );\r
+\r
+      if (EFI_ERROR(EfiStatus)) {\r
+        DEBUG((EFI_D_ERROR, "Misc smbios store error.  Index=%d, ReturnStatus=%r\n", Index, EfiStatus));\r
+        return EfiStatus;\r
+      }\r
+    }\r
+  }\r
+\r
+  return EfiStatus;\r
+}\r
+\r