1 /** @file 2 3 Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR> 4 5 This program and the accompanying materials are licensed and made available under 7 the terms and conditions of the BSD License that accompanies this distribution. 9 The full text of the license may be found at 11 http://opensource.org/licenses/bsd-license.php. 13 15 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 17 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 19 21 23 24 Module Name: 25 26 MiscSubclassDriverEntryPoint.c 27 28 Abstract: 29 30 This driver parses the mMiscSubclassDataTable structure and reports 31 any generated data to the DataHub. 32 33 34 **/ 35 36 37 #include "CommonHeader.h" 38 #include "MiscSubclassDriver.h" 39 #include <Protocol/HiiString.h> 40 #include <Guid/PlatformInfo.h> 41 42 43 EFI_HII_HANDLE mHiiHandle; 44 EFI_HII_STRING_PROTOCOL *mHiiString; 45 EFI_PLATFORM_INFO_HOB *mPlatformInfo=NULL; 46 47 EFI_STRING 48 EFIAPI 49 SmbiosMiscGetString ( 50 IN EFI_STRING_ID StringId 51 ){ 52 53 EFI_STATUS Status; 54 UINTN StringSize; 55 CHAR16 TempString; 56 EFI_STRING String; 57 String = NULL; 58 59 // 60 // Retrieve the size of the string in the string package for the BestLanguage 61 // 62 StringSize = 0; 63 Status = mHiiString->GetString ( 64 mHiiString, 65 "en-US", 66 mHiiHandle, 67 StringId, 68 &TempString, 69 &StringSize, 70 NULL 71 ); 72 // 73 // If GetString() returns EFI_SUCCESS for a zero size, 74 // then there are no supported languages registered for HiiHandle. If GetString() 75 // returns an error other than EFI_BUFFER_TOO_SMALL, then HiiHandle is not present 76 // in the HII Database 77 // 78 if (Status != EFI_BUFFER_TOO_SMALL) { 79 goto Error; 80 } 81 82 // 83 // Allocate a buffer for the return string 84 // 85 String = AllocateZeroPool (StringSize); 86 if (String == NULL) { 87 goto Error; 88 } 89 90 // 91 // Retrieve the string from the string package 92 // 93 Status = mHiiString->GetString ( 94 mHiiString, 95 "en-US", 96 mHiiHandle, 97 StringId, 98 String, 99 &StringSize, 100 NULL 101 ); 102 if (EFI_ERROR (Status)) { 103 // 104 // Free the buffer and return NULL if the supported languages can not be retrieved. 105 // 106 FreePool (String); 107 String = NULL; 108 } 109 Error: 110 111 return String; 112 } 113 114 /** 115 Standard EFI driver point. This driver parses the mMiscSubclassDataTable 116 structure and reports any generated data to the DataHub. 117 118 @param ImageHandle - Handle for the image of this driver 119 @param SystemTable - Pointer to the EFI System Table 120 121 @retval EFI_SUCCESS - The data was successfully reported to the Data Hub. 122 @retval EFI_DEVICE_ERROR - Can not locate any protocols 123 124 **/ 125 EFI_STATUS 126 EFIAPI 127 MiscSubclassDriverEntryPoint ( 128 IN EFI_HANDLE ImageHandle, 129 IN EFI_SYSTEM_TABLE *SystemTable 130 ) 131 { 132 UINTN Index; 133 EFI_STATUS EfiStatus; 134 EFI_SMBIOS_PROTOCOL *Smbios; 135 EFI_PEI_HOB_POINTERS GuidHob; 136 137 138 139 GuidHob.Raw = GetHobList (); 140 if (GuidHob.Raw != NULL) { 141 if ((GuidHob.Raw = GetNextGuidHob (&gEfiPlatformInfoGuid, GuidHob.Raw)) != NULL) { 142 mPlatformInfo = GET_GUID_HOB_DATA (GuidHob.Guid); 143 } 144 } 145 146 DEBUG ((EFI_D_ERROR, "PlatformInfoHob->BoardId [0x%x]\n", mPlatformInfo->BoardId)); 147 148 // 149 // Retrieve the pointer to the UEFI HII String Protocol 150 // 151 EfiStatus = gBS->LocateProtocol ( 152 &gEfiHiiStringProtocolGuid, 153 NULL, 154 (VOID **) &mHiiString 155 ); 156 ASSERT_EFI_ERROR (EfiStatus); 157 158 EfiStatus = gBS->LocateProtocol( 159 &gEfiSmbiosProtocolGuid, 160 NULL, 161 (VOID**)&Smbios 162 ); 163 164 if (EFI_ERROR(EfiStatus)) { 165 DEBUG((EFI_D_ERROR, "Could not locate SMBIOS protocol. %r\n", EfiStatus)); 166 return EfiStatus; 167 } 168 169 mHiiHandle = HiiAddPackages ( 170 &gEfiCallerIdGuid, 171 NULL, 172 MiscSubclassStrings, 173 NULL 174 ); 175 ASSERT (mHiiHandle != NULL); 176 177 for (Index = 0; Index < mMiscSubclassDataTableEntries; ++Index) { 178 // 179 // If the entry have a function pointer, just log the data. 180 // 181 if (mMiscSubclassDataTable[Index].Function != NULL) { 182 EfiStatus = (*mMiscSubclassDataTable[Index].Function)( 183 mMiscSubclassDataTable[Index].RecordData, 184 Smbios 185 ); 186 187 if (EFI_ERROR(EfiStatus)) { 188 DEBUG((EFI_D_ERROR, "Misc smbios store error. Index=%d, ReturnStatus=%r\n", Index, EfiStatus)); 189 return EfiStatus; 190 } 191 } 192 } 193 194 return EfiStatus; 195 } 196 197
