--- /dev/null
+/** @file\r
+ HII Library implementation that uses DXE protocols and services.\r
+\r
+ Copyright (c) 2006 - 2008, Intel Corporation<BR>\r
+ All rights reserved. This program and the accompanying materials\r
+ are licensed and made available under the terms and conditions of the BSD License\r
+ which accompanies this distribution. The full text of the license may be found at\r
+ http://opensource.org/licenses/bsd-license.php\r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#include <Uefi.h>\r
+\r
+#include <Protocol/DevicePath.h>\r
+#include <Protocol/HiiDatabase.h>\r
+#include <Protocol/HiiString.h>\r
+#include <Protocol/FormBrowser2.h>\r
+\r
+#include <Library/BaseLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+#include <Library/MemoryAllocationLib.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
+#include <Library/UefiHiiServicesLib.h>\r
+#include <Library/DevicePathLib.h>\r
+#include <Library/PrintLib.h>\r
+#include <Library/NewHiiLib.h>\r
+#include <Library/UefiLib.h>\r
+\r
+////////////////////////////////////////////////////////\r
+////////////////////////////////////////////////////////\r
+// HiiLib Functions\r
+////////////////////////////////////////////////////////\r
+////////////////////////////////////////////////////////\r
+\r
+//\r
+// Template used to mark the end of a list of packages \r
+//\r
+GLOBAL_REMOVE_IF_UNREFERENCED CONST EFI_HII_PACKAGE_HEADER mEndOfPakageList = {\r
+ sizeof (EFI_HII_PACKAGE_HEADER),\r
+ EFI_HII_PACKAGE_END\r
+};\r
+\r
+//\r
+// <ConfigHdr> Template\r
+//\r
+GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR16 mConfigHdrTemplate[] = L"GUID=00000000000000000000000000000000&NAME=0000&PATH=00";\r
+\r
+//\r
+// Form Browser2 Protocol\r
+//\r
+EFI_FORM_BROWSER2_PROTOCOL *mFormBrowser2 = NULL;\r
+\r
+/**\r
+ Registers a list of packages in the HII Database and returns the HII Handle\r
+ associated with that registration. If an HII Handle has already been registered\r
+ with the same PackageListGuid, then NULL is returned. If there are not enough \r
+ resources to perform the registration, then NULL is returned. If an empty list \r
+ of packages is passed in, then NULL is returned. If the size of the list of \r
+ package is 0, then NULL is returned.\r
+\r
+ @param[in] PackageListGuid An optional parameter that is used to identify \r
+ the GUID of the package list. If this parameter \r
+ is NULL, then gEfiCallerIdGuid is used.\r
+ @param[in] DeviceHandle Optional. If not NULL, the Device Handle on which \r
+ an instance of DEVICE_PATH_PROTOCOL is installed.\r
+ This Device Handle uniquely defines the device that \r
+ the added packages are associated with.\r
+ @param[in] ... The variable argument list that contains pointers \r
+ to packages terminated by a NULL.\r
+\r
+ @retval NULL A HII Handle has already been registered in the HII Database with\r
+ the same PackageListGuid.\r
+ @retval NULL The HII Handle could not be created.\r
+ @retval Other The HII Handle associated with the newly registered package list.\r
+\r
+**/\r
+EFI_HII_HANDLE\r
+EFIAPI\r
+HiiAddPackages (\r
+ IN CONST EFI_GUID *PackageListGuid, OPTIONAL\r
+ IN EFI_HANDLE DeviceHandle, OPTIONAL\r
+ ...\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_HII_HANDLE *HiiHandleBuffer;\r
+ VA_LIST Args;\r
+ UINT32 *Package;\r
+ EFI_HII_PACKAGE_LIST_HEADER *PackageListHeader;\r
+ EFI_HII_HANDLE HiiHandle;\r
+ UINTN Length;\r
+ UINT8 *Data;\r
+\r
+ //\r
+ // If PackageListGuid is NULL, then use gEfiCallerIdGuid as the PackageListGuid\r
+ //\r
+ if (PackageListGuid == NULL) {\r
+ PackageListGuid = &gEfiCallerIdGuid;\r
+ }\r
+\r
+ //\r
+ // Check to see if an HII Handle has already been registered with the same \r
+ // PackageListGuid\r
+ //\r
+ HiiHandleBuffer = HiiGetHiiHandles (PackageListGuid);\r
+ if (HiiHandleBuffer != NULL) {\r
+ FreePool (HiiHandleBuffer);\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Calculate the length of all the packages in the variable argument list\r
+ //\r
+ for (Length = 0, VA_START (Args, DeviceHandle); (Package = VA_ARG (Args, UINT32 *)) != NULL; ) {\r
+ Length += (ReadUnaligned32 ((UINT32 *)Package) - sizeof (UINT32));\r
+ }\r
+ VA_END (Args);\r
+\r
+ //\r
+ // If there are no packages in the variable argument list or all the packages \r
+ // are empty, then return a NULL HII Handle\r
+ //\r
+ if (Length == 0) {\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Add the length of the Package List Header and the terminating Package Header \r
+ //\r
+ Length += sizeof (EFI_HII_PACKAGE_LIST_HEADER) + sizeof (EFI_HII_PACKAGE_HEADER);\r
+\r
+ //\r
+ // Allocate the storage for the entire Package List\r
+ //\r
+ PackageListHeader = AllocateZeroPool (Length);\r
+\r
+ //\r
+ // If the Packahge List can not be allocated, then return a NULL HII Handle\r
+ //\r
+ if (PackageListHeader == NULL) {\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Fill in the GUID and Length of the Package List Header\r
+ //\r
+ CopyGuid (&PackageListHeader->PackageListGuid, PackageListGuid);\r
+ PackageListHeader->PackageLength = Length;\r
+\r
+ //\r
+ // Initialize a pointer to the beginning if the Package List data\r
+ //\r
+ Data = (UINT8 *)(PackageListHeader + 1);\r
+\r
+ //\r
+ // Copy the data from each package in the variable argument list\r
+ //\r
+ for (VA_START (Args, DeviceHandle); (Package = VA_ARG (Args, UINT32 *)) != NULL; ) {\r
+ Length = ReadUnaligned32 ((UINT32 *)Package) - sizeof (UINT32);\r
+ CopyMem (Data, Package + 1, Length);\r
+ Data += Length;\r
+ }\r
+ VA_END (Args);\r
+\r
+ //\r
+ // Append a package of type EFI_HII_PACKAGE_END to mark the end of the package list\r
+ //\r
+ CopyMem (Data, &mEndOfPakageList, sizeof (mEndOfPakageList));\r
+\r
+ //\r
+ // Register the package list with the HII Database\r
+ //\r
+ Status = gHiiDatabase->NewPackageList (\r
+ gHiiDatabase, \r
+ PackageListHeader, \r
+ DeviceHandle, \r
+ &HiiHandle\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ HiiHandle = NULL;\r
+ }\r
+\r
+ //\r
+ // Free the allocated package list\r
+ //\r
+ FreePool (PackageListHeader);\r
+\r
+ //\r
+ // Return the new HII Handle\r
+ //\r
+ return HiiHandle;\r
+}\r
+\r
+/**\r
+ Removes a package list from the HII Database.\r
+\r
+ If HiiHandle is NULL, then ASSERT().\r
+ If HiiHandle is not a valid EFI_HII_HANDLE in the HII Database, then ASSERT().\r
+\r
+ @param[in] HiiHandle A handle that was previously registered in the HII Database.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+HiiRemovePackages (\r
+ IN EFI_HII_HANDLE HiiHandle\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+\r
+ //\r
+ // ASSERT if HiiHandle is NULL\r
+ //\r
+ ASSERT (HiiHandle != NULL);\r
+\r
+ //\r
+ // Remove the package list specific by HiiHandle from the HII Database\r
+ //\r
+ Status = gHiiDatabase->RemovePackageList (gHiiDatabase, HiiHandle);\r
+\r
+ //\r
+ // ASSERT if the remove request fails. Should only occur if the HiiHandle is not valid.\r
+ //\r
+ ASSERT_EFI_ERROR (Status);\r
+}\r
+\r
+/**\r
+ Retrieves the array of all the HII Handles in the HII Database.\r
+ This array is terminated with a NULL HII Handle.\r
+ This function allocates the returned array using AllocatePool().\r
+ The caller is responsible for freeing the array with FreePool().\r
+\r
+ @param[in] PackageListGuid An optional parameter that is used to request \r
+ an HII Handle that is associatd with a specific\r
+ Package List GUID. If this parameter is NULL\r
+ then all the HII Handles in the HII Database\r
+ are returned. If this parameter is not NULL\r
+ then at most 1 HII Handle is returned.\r
+\r
+ @retval NULL There are no HII handles in the HII database\r
+ @retval NULL The array of HII Handles could not be retrieved\r
+ @retval Other A pointer to the NULL terminated array of HII Handles\r
+\r
+**/\r
+EFI_HII_HANDLE *\r
+EFIAPI\r
+HiiGetHiiHandles (\r
+ IN CONST EFI_GUID *PackageListGuid OPTIONAL\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINT8 PackageType;\r
+ UINTN HandleBufferLength;\r
+ EFI_HII_HANDLE TempHiiHandleBuffer;\r
+ EFI_HII_HANDLE *HiiHandleBuffer;\r
+\r
+ //\r
+ // Determine the PackageType for the ListPackageLists() request\r
+ //\r
+ if (PackageListGuid == NULL) {\r
+ PackageType = EFI_HII_PACKAGE_TYPE_ALL;\r
+ } else {\r
+ PackageType = EFI_HII_PACKAGE_TYPE_GUID;\r
+ }\r
+\r
+ //\r
+ // Retrieve the size required for the buffer of all HII handles.\r
+ //\r
+ HandleBufferLength = 0;\r
+ Status = gHiiDatabase->ListPackageLists (\r
+ gHiiDatabase,\r
+ PackageType,\r
+ PackageListGuid,\r
+ &HandleBufferLength,\r
+ &TempHiiHandleBuffer\r
+ );\r
+\r
+ //\r
+ // If ListPackageLists() returns EFI_SUCCESS for a zero size, \r
+ // then there are no HII handles in the HII database. If ListPackageLists() \r
+ // returns an error other than EFI_BUFFER_TOO_SMALL, then there are no HII \r
+ // handles in the HII database.\r
+ //\r
+ if (Status != EFI_BUFFER_TOO_SMALL) {\r
+ //\r
+ // Return NULL if the size can not be retrieved, or if there are no HII \r
+ // handles in the HII Database\r
+ //\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Allocate the array of HII handles to hold all the HII Handles and a NULL terminator\r
+ //\r
+ HiiHandleBuffer = AllocateZeroPool (HandleBufferLength + sizeof (EFI_HII_HANDLE));\r
+ if (HiiHandleBuffer == NULL) {\r
+ //\r
+ // Return NULL if allocation fails.\r
+ //\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Retrieve the array of HII Handles in the HII Database\r
+ //\r
+ Status = gHiiDatabase->ListPackageLists (\r
+ gHiiDatabase,\r
+ PackageType,\r
+ PackageListGuid,\r
+ &HandleBufferLength,\r
+ HiiHandleBuffer\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ //\r
+ // Free the buffer and return NULL if the HII handles can not be retrieved.\r
+ //\r
+ FreePool (HiiHandleBuffer);\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Return the NULL terminated array of HII handles in the HII Database\r
+ //\r
+ return HiiHandleBuffer;\r
+}\r
+\r
+/**\r
+ Retrieves a pointer to the a Null-terminated ASCII string containing the list \r
+ of languages that an HII handle in the HII Database supports. The returned \r
+ string is allocated using AllocatePool(). The caller is responsible for freeing\r
+ the returned string using FreePool(). The format of the returned string follows\r
+ the language format assumed the HII Database.\r
+ \r
+ If HiiHandle is NULL, then ASSERT().\r
+\r
+ @param[in] HiiHandle A handle that was previously registered in the HII Database.\r
+\r
+ @retval NULL HiiHandle is not registered in the HII database\r
+ @retval NULL There are not enough resources available to retrieve the suported \r
+ languages.\r
+ @retval NULL The list of suported languages could not be retrieved.\r
+ @retval Other A pointer to the Null-terminated ASCII string of supported languages.\r
+\r
+**/\r
+CHAR8 *\r
+EFIAPI\r
+HiiGetSupportedLanguages (\r
+ IN EFI_HII_HANDLE HiiHandle\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINTN LanguageSize;\r
+ CHAR8 TempSupportedLanguages;\r
+ CHAR8 *SupportedLanguages;\r
+\r
+ //\r
+ // ASSERT if HiiHandle is NULL\r
+ //\r
+ ASSERT (HiiHandle != NULL);\r
+\r
+ //\r
+ // Retrieve the size required for the supported languages buffer.\r
+ //\r
+ LanguageSize = 0;\r
+ Status = gHiiString->GetLanguages (gHiiString, HiiHandle, &TempSupportedLanguages, &LanguageSize);\r
+\r
+ //\r
+ // If GetLanguages() returns EFI_SUCCESS for a zero size, \r
+ // then there are no supported languages registered for HiiHandle. If GetLanguages() \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
+ //\r
+ // Return NULL if the size can not be retrieved, or if HiiHandle is not in the HII Database\r
+ //\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Allocate the supported languages buffer.\r
+ //\r
+ SupportedLanguages = AllocateZeroPool (LanguageSize);\r
+ if (SupportedLanguages == NULL) {\r
+ //\r
+ // Return NULL if allocation fails.\r
+ //\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Retrieve the supported languages string\r
+ //\r
+ Status = gHiiString->GetLanguages (gHiiString, HiiHandle, SupportedLanguages, &LanguageSize);\r
+ if (EFI_ERROR (Status)) {\r
+ //\r
+ // Free the buffer and return NULL if the supported languages can not be retrieved.\r
+ //\r
+ FreePool (SupportedLanguages);\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Return the Null-terminated ASCII string of supported languages\r
+ //\r
+ return SupportedLanguages;\r
+}\r
+\r
+/**\r
+ Retrieves a string from a string package in a specific language. If the language\r
+ is not specified, then a string from a string package in the current platform \r
+ language is retrieved. If the string can not be retrieved using the specified \r
+ language or the current platform language, then the string is retrieved from \r
+ the string package in the first language the string package supports. The \r
+ returned string is allocated using AllocatePool(). The caller is responsible \r
+ for freeing the allocated buffer using FreePool().\r
+ \r
+ If HiiHandle is NULL, then ASSERT().\r
+ If StringId is 0, then ASSET.\r
+\r
+ @param[in] HiiHandle A handle that was previously registered in the HII Database.\r
+ @param[in] StringId The identifier of the string to retrieved from the string \r
+ package associated with HiiHandle.\r
+ @param[in] Language The language of the string to retrieve. If this parameter \r
+ is NULL, then the current platform language is used. The \r
+ format of Language must follow the language format assumed \r
+ the HII Database.\r
+\r
+ @retval NULL The string specified by StringId is not present in the string package.\r
+ @retval Other The string was returned.\r
+\r
+**/\r
+EFI_STRING\r
+EFIAPI\r
+HiiGetString (\r
+ IN EFI_HII_HANDLE HiiHandle,\r
+ IN EFI_STRING_ID StringId,\r
+ IN CONST CHAR8 *Language OPTIONAL\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINTN StringSize;\r
+ CHAR16 TempString;\r
+ EFI_STRING String;\r
+ CHAR8 *SupportedLanguages;\r
+ CHAR8 *PlatformLanguage;\r
+ CHAR8 *BestLanguage;\r
+\r
+ //\r
+ // If HiiHandle is NULL, then ASSERT()\r
+ //\r
+ ASSERT (HiiHandle !=NULL);\r
+\r
+ //\r
+ // If StringId is 0, then ASSERT()\r
+ //\r
+ ASSERT (StringId != 0);\r
+\r
+ //\r
+ // Initialize all allocated buffers to NULL\r
+ // \r
+ SupportedLanguages = NULL;\r
+ PlatformLanguage = NULL;\r
+ BestLanguage = NULL;\r
+ String = NULL;\r
+\r
+ //\r
+ // Get the languages that the package specified by HiiHandle supports\r
+ //\r
+ SupportedLanguages = HiiGetSupportedLanguages (HiiHandle);\r
+ if (SupportedLanguages == NULL) {\r
+ goto Error;\r
+ }\r
+\r
+ //\r
+ // Get the current platform language setting\r
+ //\r
+ PlatformLanguage = GetEfiGlobalVariable (L"PlatformLang");\r
+ if (PlatformLanguage == NULL) {\r
+ goto Error;\r
+ }\r
+\r
+ //\r
+ // If Languag is NULL, then set it to an empty string, so it will be \r
+ // skipped by GetBestLanguage()\r
+ //\r
+ if (Language == NULL) {\r
+ Language = "";\r
+ }\r
+\r
+ //\r
+ // Get the best matching language from SupportedLanguages\r
+ //\r
+ BestLanguage = GetBestLanguage (\r
+ SupportedLanguages, \r
+ FALSE, // RFC 4646 mode\r
+ Language, // Highest priority \r
+ PlatformLanguage, // Next highest priority\r
+ SupportedLanguages, // Lowest priority \r
+ NULL\r
+ );\r
+ if (BestLanguage == NULL) {\r
+ goto Error;\r
+ }\r
+\r
+ //\r
+ // Retrieve the size of the string in the string package for the BestLanguage\r
+ //\r
+ StringSize = 0;\r
+ Status = gHiiString->GetString (\r
+ gHiiString,\r
+ BestLanguage,\r
+ HiiHandle,\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 = gHiiString->GetString (\r
+ gHiiString,\r
+ BestLanguage,\r
+ HiiHandle,\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
+\r
+Error:\r
+ //\r
+ // Free allocated buffers\r
+ //\r
+ if (SupportedLanguages != NULL) {\r
+ FreePool (SupportedLanguages);\r
+ }\r
+ if (PlatformLanguage != NULL) {\r
+ FreePool (PlatformLanguage);\r
+ }\r
+ if (BestLanguage != NULL) {\r
+ FreePool (BestLanguage);\r
+ }\r
+\r
+ //\r
+ // Return the Null-terminated Unicode string\r
+ //\r
+ return String;\r
+}\r
+\r
+/**\r
+ Retrieves a string from a string package names by GUID in a specific language. \r
+ If the language is not specified, then a string from a string package in the \r
+ current platform language is retrieved. If the string can not be retrieved \r
+ using the specified language or the current platform language, then the string \r
+ is retrieved from the string package in the first language the string package \r
+ supports. The returned string is allocated using AllocatePool(). The caller \r
+ is responsible for freeing the allocated buffer using FreePool().\r
+ \r
+ If PackageListGuid is NULL, then ASSERT().\r
+ If StringId is 0, then ASSET.\r
+\r
+ @param[in] PackageListGuid The GUID of a package list that was previously \r
+ registered in the HII Database.\r
+ @param[in] StringId The identifier of the string to retrieved from the \r
+ string package associated with PackageListGuid.\r
+ @param[in] Language The language of the string to retrieve. If this \r
+ parameter is NULL, then the current platform \r
+ language is used. The format of Language must \r
+ follow the language format assumed the HII Database.\r
+\r
+ @retval NULL The package list specified by PackageListGuid is not present in the\r
+ HII Database.\r
+ @retval NULL The string specified by StringId is not present in the string package.\r
+ @retval Other The string was returned.\r
+\r
+**/\r
+EFI_STRING\r
+EFIAPI\r
+HiiGetPackageString (\r
+ IN CONST EFI_GUID *PackageListGuid,\r
+ IN EFI_STRING_ID StringId,\r
+ IN CONST CHAR8 *Language OPTIONAL\r
+ )\r
+{\r
+ EFI_HANDLE *HiiHandleBuffer;\r
+ EFI_HANDLE HiiHandle;\r
+\r
+ ASSERT (PackageListGuid != NULL);\r
+\r
+ HiiHandleBuffer = HiiGetHiiHandles (PackageListGuid);\r
+ if (HiiHandleBuffer == NULL) {\r
+ return NULL;\r
+ }\r
+ HiiHandle = HiiHandleBuffer[0];\r
+ FreePool (HiiHandleBuffer);\r
+ if (HiiHandle == NULL) {\r
+ return NULL;\r
+ }\r
+ return HiiGetString (HiiHandle, StringId, Language);\r
+}\r
+\r
+/**\r
+ This function create a new string in String Package or updates an existing \r
+ string in a String Package. If StringId is 0, then a new string is added to\r
+ a String Package. If StringId is not zero, then a string in String Package is\r
+ updated. If SupportedLanguages is NULL, then the string is added or updated\r
+ for all the languages that the String Package supports. If SupportedLanguages\r
+ is not NULL, then the string is added or updated for the set of languages \r
+ specified by SupportedLanguages.\r
+ \r
+ If HiiHandle is NULL, then ASSERT().\r
+ If String is NULL, then ASSERT().\r
+\r
+ @param[in] HiiHandle A handle that was previously registered in the \r
+ HII Database.\r
+ @param[in] StringId If zero, then a new string is created in the \r
+ String Package associated with HiiHandle. If \r
+ non-zero, then the string specified by StringId \r
+ is updated in the String Package associated \r
+ with HiiHandle. \r
+ @param[in] String A pointer to the Null-terminated Unicode string \r
+ to add or update in the String Package associated \r
+ with HiiHandle.\r
+ @param[in] SupportedLanguages A pointer to a Null-terminated ASCII string of \r
+ language codes. If this parameter is NULL, then \r
+ String is added or updated in the String Package \r
+ associated with HiiHandle for all the languages \r
+ that the String Package supports. If this \r
+ parameter is not NULL, then then String is added \r
+ or updated in the String Package associated with \r
+ HiiHandle for the set oflanguages specified by \r
+ SupportedLanguages. The format of \r
+ SupportedLanguages must follow the language \r
+ format assumed the HII Database.\r
+\r
+ @retval 0 The string could not be added or updated in the String Package.\r
+ @retval Other The EFI_STRING_ID of the newly added or updated string.\r
+\r
+**/\r
+EFI_STRING_ID\r
+EFIAPI\r
+HiiSetString (\r
+ IN EFI_HII_HANDLE HiiHandle,\r
+ IN EFI_STRING_ID StringId, OPTIONAL\r
+ IN CONST EFI_STRING String,\r
+ IN CONST CHAR8 *SupportedLanguages OPTIONAL\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ CHAR8 *AllocatedLanguages;\r
+ CHAR8 *Supported;\r
+ CHAR8 *Language;\r
+\r
+ ASSERT (HiiHandle != NULL);\r
+ ASSERT (String != NULL);\r
+\r
+ if (SupportedLanguages == NULL) {\r
+ //\r
+ // Retrieve the languages that the package specified by HiiHandle supports\r
+ //\r
+ AllocatedLanguages = HiiGetSupportedLanguages (HiiHandle);\r
+ } else {\r
+ //\r
+ // Allocate a copy of the SupportLanguages string that passed in\r
+ //\r
+ AllocatedLanguages = AllocateCopyPool (AsciiStrLen (SupportedLanguages), SupportedLanguages);\r
+ }\r
+\r
+ //\r
+ // If there are not enough resources for the supported languages string, then return a StringId of 0\r
+ //\r
+ if (AllocatedLanguages == NULL) {\r
+ return (EFI_STRING_ID)(0);\r
+ }\r
+\r
+ //\r
+ // Loop through each language that the string supports\r
+ //\r
+ for (Supported = AllocatedLanguages; *Supported != '\0'; ) {\r
+ //\r
+ // Cache a pointer to the beginning of the current language in the list of languages\r
+ //\r
+ Language = Supported;\r
+\r
+ //\r
+ // Search for the next language seperator and replace it with a Null-terminator\r
+ //\r
+ for (; *Supported != 0 && *Supported != ';'; Supported++);\r
+ *(Supported++) = '\0';\r
+\r
+ //\r
+ // If StringId is 0, then call NewString(). Otherwise, call SetString()\r
+ //\r
+ if (StringId == (EFI_STRING_ID)(0)) {\r
+ Status = gHiiString->NewString (gHiiString, HiiHandle, &StringId, Language, NULL, String, NULL);\r
+ } else {\r
+ Status = gHiiString->SetString (gHiiString, HiiHandle, StringId, Language, String, NULL);\r
+ }\r
+\r
+ //\r
+ // If there was an error, then break out of the loop and return a StringId of 0\r
+ //\r
+ if (EFI_ERROR (Status)) {\r
+ StringId = (EFI_STRING_ID)(0);\r
+ break;\r
+ }\r
+ }\r
+\r
+ //\r
+ // Free the buffer of supported languages\r
+ //\r
+ FreePool (AllocatedLanguages);\r
+\r
+ //\r
+ // Return the StringId of the new or updated string\r
+ //\r
+ return StringId;\r
+}\r
+\r
+/**\r
+ Validates the config data associated with an HII handle in the HII Database.\r
+ \r
+ If HiiHandle is NULL, then ASSERT().\r
+\r
+ @param[in] HiiHandle A handle that was previously registered in the HII Database.\r
+\r
+ @retval TRUE The config data associated with HiiHandle passes all validation\r
+ checks.\r
+ @retval FALSE The config data associated with HiiHandle failed one or more \r
+ validation checks.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+HiiValidateDataFromHiiHandle (\r
+ IN EFI_HII_HANDLE HiiHandle\r
+ )\r
+{\r
+ ASSERT (HiiHandle != NULL);\r
+ //\r
+ // Needs to be implemented.\r
+ //\r
+ return TRUE;\r
+}\r
+\r
+/**\r
+ Converts all hex dtring characters in range ['A'..'F'] to ['a'..'f'] for \r
+ hex digits that appear between a '=' and a '&' in a config string.\r
+\r
+ If String is NULL, then ASSERT().\r
+\r
+ @param[in] String Pointer to a Null-terminated Unicode string.\r
+\r
+ @return Pointer to the Null-terminated Unicode result string.\r
+\r
+**/\r
+EFI_STRING\r
+EFIAPI\r
+InternalHiiLowerConfigString (\r
+ IN EFI_STRING ConfigString\r
+ )\r
+{\r
+ EFI_STRING String;\r
+ BOOLEAN Lower;\r
+\r
+ ASSERT (String != NULL);\r
+\r
+ //\r
+ // Convert all hex digits in range [A-F] in the configuration header to [a-f]\r
+ //\r
+ for (String = ConfigString, Lower = FALSE; *String != L'\0'; String++) {\r
+ if (*String == L'=') {\r
+ Lower = TRUE;\r
+ } else if (*String == L'&') {\r
+ Lower = FALSE;\r
+ } else if (Lower && *String > L'A' && *String <= L'F') {\r
+ *String = *String - L'A' + L'a';\r
+ }\r
+ }\r
+\r
+ return ConfigString;\r
+}\r
+\r
+/**\r
+ Uses the BlockToConfig() service of the Config Routing Protocol to \r
+ convert <ConfigRequest> and a buffer to a <ConfigResp>\r
+\r
+ If ConfigRequest is NULL, then ASSERT().\r
+ If Block is NULL, then ASSERT().\r
+\r
+ @param[in] ConfigRequest Pointer to a Null-terminated Unicode string.\r
+ @param[in] Block Pointer to a block of data.\r
+ @param[in] BlockSize The zie, in bytes, of Block.\r
+\r
+ @retval NULL The <ConfigResp> string could not be generated.\r
+ @retval Other Pointer to the Null-terminated Unicode <ConfigResp> string.\r
+\r
+**/\r
+EFI_STRING\r
+EFIAPI\r
+InternalHiiBlockToConfig (\r
+ IN CONST EFI_STRING ConfigRequest,\r
+ IN CONST UINT8 *Block,\r
+ IN UINTN BlockSize\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_STRING ConfigResp;\r
+ CHAR16 *Progress;\r
+\r
+ ASSERT (ConfigRequest != NULL);\r
+ ASSERT (Block != NULL);\r
+\r
+ //\r
+ // Convert <ConfigRequest> to <ConfigResp>\r
+ //\r
+ Status = gHiiConfigRouting->BlockToConfig (\r
+ gHiiConfigRouting,\r
+ ConfigRequest,\r
+ Block,\r
+ BlockSize,\r
+ &ConfigResp,\r
+ &Progress\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return NULL;\r
+ }\r
+ return ConfigResp;\r
+}\r
+\r
+/**\r
+ Uses the ConfigToBlock() service of the Config Routing Protocol to \r
+ convert <ConfigResp> to a block. The block is allocated using\r
+ AllocatePool(). The caller is responsible for freeing the block\r
+ using FreePool().\r
+\r
+ If ConfigResp is NULL, then ASSERT().\r
+\r
+ @param[in] ConfigResp Pointer to a Null-terminated Unicode string.\r
+\r
+ @retval NULL The block could not be generated..\r
+ @retval Other Pointer to the allocated block.\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+InternalHiiConfigToBlock (\r
+ IN CONST EFI_STRING ConfigResp\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINTN BlockSize;\r
+ UINT8 TempBlock;\r
+ CHAR16 *Progress;\r
+ UINT8 *Block;\r
+\r
+ ASSERT (ConfigResp != NULL);\r
+\r
+ //\r
+ // Get the size of the buffer required for <ConfigResp> conversion\r
+ //\r
+ BlockSize = 0;\r
+ Status = gHiiConfigRouting->ConfigToBlock (\r
+ gHiiConfigRouting,\r
+ ConfigResp,\r
+ &TempBlock,\r
+ &BlockSize,\r
+ &Progress\r
+ );\r
+ if (Status != EFI_BUFFER_TOO_SMALL) {\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Allocate a buffer to hold the <ConfigResp> conversion\r
+ //\r
+ Block = AllocateZeroPool (BlockSize);\r
+ if (Block == NULL) {\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Convert <ConfigResp> to a buffer\r
+ //\r
+ Status = gHiiConfigRouting->ConfigToBlock (\r
+ gHiiConfigRouting,\r
+ ConfigResp,\r
+ Block,\r
+ &BlockSize,\r
+ &Progress\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ FreePool (Block);\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Return converted buffer\r
+ //\r
+ return Block;\r
+}\r
+\r
+/**\r
+ Uses the BrowserCallback() service of the Form Browser Protocol to retrieve \r
+ or set uncommitted data. If sata i being retrieved, then the buffer is \r
+ allocated using AllocatePool(). The caller is then responsible for freeing \r
+ the buffer using FreePool().\r
+\r
+ @param[in] VariableName Pointer to a Null-terminated Unicode string. This \r
+ is an optional parameter that may be NULL.\r
+ @param[in] VariableGuid Pointer to an EFI_GUID structure. This is an optional \r
+ parameter that may be NULL.\r
+ @param[in] SetResultsData If not NULL, then this parameter specified the buffer\r
+ of uncommited data to set. If this parameter is NULL,\r
+ then the caller is requesting to get the uncommited data\r
+ from the Form Browser.\r
+\r
+ @retval NULL The uncommitted data could not be retrieved.\r
+ @retval Other A pointer to a buffer containing the uncommitted data.\r
+\r
+**/\r
+EFI_STRING\r
+EFIAPI\r
+InternalHiiBrowserCallback (\r
+ IN CONST EFI_GUID *VariableGuid, OPTIONAL\r
+ IN CONST CHAR16 *VariableName, OPTIONAL\r
+ IN CONST EFI_STRING SetResultsData OPTIONAL\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINTN ResultsDataSize;\r
+ EFI_STRING ResultsData;\r
+ CHAR16 TempResultsData;\r
+\r
+ //\r
+ // Locate protocols\r
+ //\r
+ if (mFormBrowser2 == NULL) {\r
+ Status = gBS->LocateProtocol (&gEfiFormBrowser2ProtocolGuid, NULL, (VOID **) &mFormBrowser2);\r
+ if (EFI_ERROR (Status) || mFormBrowser2 == NULL) {\r
+ return NULL;\r
+ }\r
+ }\r
+\r
+ ResultsDataSize = 0;\r
+\r
+ if (SetResultsData != NULL) {\r
+ //\r
+ // Request to to set data in the uncommitted browser state information\r
+ //\r
+ ResultsData = SetResultsData;\r
+ } else {\r
+ //\r
+ // Retrieve the length of the buffer required ResultsData from the Browser Callback\r
+ //\r
+ Status = mFormBrowser2->BrowserCallback (\r
+ mFormBrowser2,\r
+ &ResultsDataSize,\r
+ &TempResultsData,\r
+ TRUE,\r
+ VariableGuid,\r
+ VariableName\r
+ );\r
+ if (Status != EFI_BUFFER_TOO_SMALL) {\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Allocate the ResultsData buffer\r
+ //\r
+ ResultsData = AllocateZeroPool (ResultsDataSize);\r
+ if (ResultsData == NULL) {\r
+ return NULL;\r
+ }\r
+ }\r
+\r
+ //\r
+ // Retrieve or set the ResultsData from the Browser Callback\r
+ //\r
+ Status = mFormBrowser2->BrowserCallback (\r
+ mFormBrowser2,\r
+ &ResultsDataSize,\r
+ ResultsData,\r
+ (BOOLEAN)(SetResultsData == NULL),\r
+ VariableGuid,\r
+ VariableName\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return NULL;\r
+ }\r
+\r
+ return ResultsData;\r
+}\r
+\r
+/**\r
+ Allocates and returns a Null-terminated Unicode <ConfigHdr> string using routing \r
+ information that includes a GUID, an optional Unicode string name, and a device\r
+ path. The string returned is allocated with AllocatePool(). The caller is \r
+ responsible for freeing the allocated string with FreePool().\r
+ \r
+ The format of a <ConfigHdr> is as follows:\r
+\r
+ GUID=<HexCh>32&NAME=<Char>NameLength&PATH=<HexChar>DevicePathSize<Null>\r
+\r
+ @param[in] Guid Pointer to an EFI_GUID that is the routing information\r
+ GUID. Each of the 16 bytes in Guid is converted to \r
+ a 2 Unicode character hexidecimal string. This is \r
+ an optional parameter that may be NULL.\r
+ @param[in] Name Pointer to a Null-terminated Unicode string that is \r
+ the routing information NAME. This is an optional \r
+ parameter that may be NULL. Each 16-bit Unicode \r
+ character in Name is converted to a 4 character Unicode \r
+ hexidecimal string. \r
+ @param[in] DriverHandle The driver handle which supports a Device Path Protocol\r
+ that is the routing information PATH. Each byte of\r
+ the Device Path associated with DriverHandle is converted\r
+ to a 2 Unicode character hexidecimal string.\r
+\r
+ @retval NULL DriverHandle does not support the Device Path Protocol.\r
+ @retval NULL DriverHandle does not support the Device Path Protocol.\r
+ @retval Other A pointer to the Null-terminate Unicode <ConfigHdr> string\r
+\r
+**/\r
+EFI_STRING\r
+EFIAPI\r
+HiiConstructConfigHdr (\r
+ IN CONST EFI_GUID *Guid, OPTIONAL\r
+ IN CONST CHAR16 *Name, OPTIONAL\r
+ IN EFI_HANDLE DriverHandle\r
+ )\r
+{\r
+ UINTN NameLength;\r
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
+ UINTN DevicePathSize;\r
+ CHAR16 *String;\r
+ CHAR16 *ReturnString;\r
+ UINTN Index;\r
+ UINT8 *Buffer;\r
+\r
+ //\r
+ // Compute the length of Name in Unicode characters. \r
+ // If Name is NULL, then the length is 0.\r
+ //\r
+ NameLength = 0;\r
+ if (Name != NULL) {\r
+ NameLength = StrLen (Name);\r
+ }\r
+\r
+ //\r
+ // Retrieve DevicePath Protocol associated with DriverHandle\r
+ //\r
+ DevicePath = DevicePathFromHandle (DriverHandle);\r
+ if (DevicePath == NULL) {\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Compute the size of the device path in bytes\r
+ //\r
+ DevicePathSize = GetDevicePathSize (DevicePath);\r
+\r
+ //\r
+ // GUID=<HexCh>32&NAME=<Char>NameLength&PATH=<HexChar>DevicePathSize <Null>\r
+ // | 5 | sizeof (EFI_GUID) * 2 | 6 | NameStrLen*4 | 6 | DevicePathSize * 2 | 1 |\r
+ //\r
+ String = AllocateZeroPool ((5 + sizeof (EFI_GUID) * 2 + 6 + NameLength * 4 + 6 + DevicePathSize * 2 + 1) * sizeof (CHAR16));\r
+ if (String == NULL) {\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Start with L"GUID="\r
+ //\r
+ ReturnString = StrCpy (String, L"GUID=");\r
+ String += StrLen (String);\r
+\r
+ if (Guid != NULL) {\r
+ //\r
+ // Append Guid converted to <HexCh>32\r
+ //\r
+ for (Index = 0, Buffer = (UINT8 *)Guid; Index < sizeof (EFI_GUID); Index++) {\r
+ String += UnicodeValueToString (String, PREFIX_ZERO | RADIX_HEX, *(Buffer++), 2);\r
+ }\r
+ }\r
+ \r
+ //\r
+ // Append L"&NAME="\r
+ //\r
+ StrCpy (String, L"&NAME=");\r
+ String += StrLen (String);\r
+\r
+ if (Name != NULL) {\r
+ //\r
+ // Append Name converted to <Char>NameLength\r
+ //\r
+ for (; *Name != L'\0'; Name++) {\r
+ String += UnicodeValueToString (String, PREFIX_ZERO | RADIX_HEX, *Name, 4);\r
+ }\r
+ }\r
+\r
+ //\r
+ // Append L"&PATH="\r
+ //\r
+ StrCpy (String, L"&PATH=");\r
+ String += StrLen (String);\r
+\r
+ //\r
+ // Append the device path associated with DriverHandle converted to <HexChar>DevicePathSize\r
+ //\r
+ for (Index = 0, Buffer = (UINT8 *)DevicePath; Index < DevicePathSize; Index++) {\r
+ String += UnicodeValueToString (String, PREFIX_ZERO | RADIX_HEX, *(Buffer++), 2);\r
+ }\r
+\r
+ //\r
+ // Null terminate the Unicode string\r
+ //\r
+ *String = L'\0';\r
+\r
+ //\r
+ // Convert all hex digits in range [A-F] in the configuration header to [a-f]\r
+ //\r
+ return InternalHiiLowerConfigString (ReturnString);\r
+}\r
+\r
+/**\r
+ Allocates and returns a Null-terminated Unicode <ConfigAltResp> string.\r
+\r
+ If Guid is NULL, then ASSERT().\r
+ If Name is NULL, then ASSERT().\r
+ If BlockNameArray is NULL, then ASSERT().\r
+\r
+ @param[in] Guid GUID of the buffer storage.\r
+ @param[in] Name Name of the buffer storage.\r
+ @param[in] DriverHandle The DriverHandle that support a Device Path\r
+ Protocol. \r
+ @param[in] BufferStorage Content of the buffer storage.\r
+ @param[in] BufferStorageSize Length in bytes of the buffer storage.\r
+ @param[in] BlockNameArray Array generated by VFR compiler. This array\r
+ contains a UINT32 value that is the length\r
+ of BlockNameArray in bytes, followed by pairs\r
+ of 16-bit values that are the offset and length\r
+ values used to contruct a <ConfigRequest> string.\r
+ @param[in] ... A variable argument list that contains pairs of 16-bit\r
+ ALTCFG identifiers and pointers to DefaultValueArrays.\r
+ The variable argument list is terminated by a NULL \r
+ DefaultValueArray pointer. A DefaultValueArray \r
+ contains a UINT32 value that is the length, in bytes,\r
+ of the DefaultValueArray. The UINT32 length value \r
+ is followed by a series of records that contain\r
+ a 16-bit WIDTH value followed by a byte array with \r
+ WIDTH entries. The records must be parsed from\r
+ beginning to end until the UINT32 length limit\r
+ is reached. \r
+\r
+ @retval NULL There are not enough resources to process the request.\r
+ @retval NULL A <ConfigResp> could not be retrieved from the Config \r
+ Routing Protocol.\r
+ @retval Other A pointer to the Null-terminate Unicode <ConfigAltResp>\r
+ string.\r
+\r
+**/\r
+EFI_STRING\r
+EFIAPI\r
+HiiConstructConfigAltResp (\r
+ IN CONST EFI_GUID *Guid,\r
+ IN CONST CHAR16 *Name,\r
+ IN EFI_HANDLE DriverHandle,\r
+ IN CONST VOID *BufferStorage,\r
+ IN UINTN BufferStorageSize,\r
+ IN CONST VOID *BlockNameArray, \r
+ ...\r
+ )\r
+{\r
+ UINTN Length;\r
+ CHAR16 *String;\r
+ CHAR16 *ConfigHdr;\r
+ UINT8 *Buffer;\r
+ UINT8 *BufferEnd;\r
+ CHAR16 *ConfigRequest;\r
+ EFI_STRING ConfigResp;\r
+ EFI_STRING ConfigAltResp;\r
+ VA_LIST Args;\r
+ UINTN AltCfgId;\r
+ UINT16 Width;\r
+\r
+ ASSERT (Guid != NULL);\r
+ ASSERT (Name != NULL);\r
+ ASSERT (BlockNameArray != NULL);\r
+\r
+ //\r
+ // Initialize local variables\r
+ //\r
+ ConfigHdr = NULL;\r
+ ConfigRequest = NULL; \r
+ ConfigResp = NULL;\r
+\r
+ //\r
+ // Construct <ConfigHdr> : "GUID=...&NAME=...&PATH=..."\r
+ //\r
+ ConfigHdr = HiiConstructConfigHdr (Guid, Name, DriverHandle);\r
+ if (ConfigHdr == NULL) {\r
+ goto Exit;\r
+ }\r
+\r
+ //\r
+ // Compute the length of the entire request starting with <ConfigHdr> and a \r
+ // Null-terminator\r
+ //\r
+ Length = StrLen (ConfigHdr) + 1;\r
+\r
+ //\r
+ // Determine the size <BlockName> Offset/Width pairs\r
+ //\r
+ Buffer = (UINT8 *)BlockNameArray;\r
+ BufferEnd = Buffer + ReadUnaligned32 ((UINT32 *)Buffer);\r
+ Buffer += sizeof (UINT32);\r
+\r
+ //\r
+ // Add <BlockName> length that is composed of one or more Offset/Width pairs\r
+ //\r
+ // <BlockName> ::= &OFFSET=1234&WIDTH=1234\r
+ // | 8 | 4 | 7 | 4 |\r
+ //\r
+ Length += (((BufferEnd - Buffer) / (sizeof (UINT16) + sizeof (UINT16))) * (8 + 4 + 7 + 4));\r
+\r
+ //\r
+ // Allocate buffer for the entire <ConfigRequest>\r
+ //\r
+ ConfigRequest = AllocateZeroPool (Length * sizeof (CHAR16));\r
+ if (ConfigRequest == NULL) {\r
+ goto Exit;\r
+ }\r
+ String = ConfigRequest;\r
+\r
+ //\r
+ // Start with <ConfigHdr>\r
+ //\r
+ StrCpy (String, ConfigHdr);\r
+ String += StrLen (String);\r
+\r
+ //\r
+ // Loop through all the Offset/Width pairs and append them to ConfigRequest\r
+ //\r
+ while (Buffer < BufferEnd) {\r
+ //\r
+ // Append &OFFSET=XXXX&WIDTH=YYYY\r
+ //\r
+ UnicodeSPrint (\r
+ String, \r
+ (8 + 4 + 7 + 4) * sizeof (CHAR16), \r
+ L"&OFFSET=%04X&WIDTH=%04X", \r
+ ReadUnaligned16 ((UINT16 *)Buffer), \r
+ ReadUnaligned16 ((UINT16 *)(Buffer + sizeof (UINT16)))\r
+ );\r
+ String += StrLen (String);\r
+ Buffer += (sizeof (UINT16) + sizeof (UINT16));\r
+ }\r
+\r
+ //\r
+ // Get the <ConfigResp>\r
+ //\r
+ ConfigResp = InternalHiiBlockToConfig (ConfigRequest, BufferStorage, BufferStorageSize);\r
+ if (ConfigResp == NULL) {\r
+ goto Exit;\r
+ }\r
+\r
+ //\r
+ // Compute the length of the entire response starting with <ConfigResp> and a \r
+ // Null-terminator\r
+ //\r
+ Length = StrLen (ConfigResp) + 1;\r
+\r
+ //\r
+ // Add the length associated with each pair of variable argument parameters\r
+ //\r
+ VA_START (Args, BlockNameArray);\r
+ while (TRUE) {\r
+ AltCfgId = VA_ARG (Args, UINT16);\r
+ Buffer = VA_ARG (Args, UINT8 *);\r
+ if (Buffer == NULL) {\r
+ break;\r
+ }\r
+\r
+ //\r
+ // Add length for "&<ConfigHdr>&ALTCFG=XXXX"\r
+ // |1| StrLen (ConfigHdr) | 8 | 4 |\r
+ //\r
+ Length += (1 + StrLen (ConfigHdr) + 8 + 4);\r
+\r
+ BufferEnd = Buffer + ReadUnaligned32 ((UINT32 *)Buffer);\r
+ Buffer += sizeof (UINT32);\r
+ while (Buffer < BufferEnd) {\r
+ //\r
+ // Extract Width field\r
+ //\r
+ Width = ReadUnaligned16 ((UINT16 *)(Buffer + sizeof (UINT16)));\r
+\r
+ //\r
+ // Add length for "&OFFSET=XXXX&WIDTH=YYYY&VALUE=zzzzzzzzzzzz"\r
+ // | 8 | 4 | 7 | 4 | 7 | Width * 2 |\r
+ //\r
+ Length += (8 + 4 + 7 + 4 + 7 + Width * 2);\r
+\r
+ //\r
+ // Update Buffer to the next record\r
+ //\r
+ Buffer += (sizeof (UINT16) + sizeof (UINT16) + Width);\r
+ }\r
+ }\r
+ VA_END (Args);\r
+\r
+ //\r
+ // Allocate a buffer for the entire response\r
+ //\r
+ ConfigAltResp = AllocateZeroPool (Length * sizeof (CHAR16));\r
+ if (ConfigAltResp == NULL) {\r
+ goto Exit;\r
+ }\r
+ String = ConfigAltResp;\r
+\r
+ //\r
+ // Add <ConfigResp>\r
+ //\r
+ StrCpy (String, ConfigResp);\r
+ String += StrLen (String);\r
+\r
+ //\r
+ // Add <AltResp> for each pair of variable argument parameters\r
+ //\r
+ VA_START (Args, BlockNameArray);\r
+ while (TRUE) {\r
+ AltCfgId = VA_ARG (Args, UINT16);\r
+ Buffer = VA_ARG (Args, UINT8 *);\r
+ if (Buffer == NULL) {\r
+ break;\r
+ }\r
+\r
+ //\r
+ // Add <AltConfigHdr> of the form "&<ConfigHdr>&ALTCFG=XXXX"\r
+ // |1| StrLen (ConfigHdr) | 8 | 4 |\r
+ //\r
+ UnicodeSPrint (\r
+ String, \r
+ (1 + StrLen (ConfigHdr) + 8 + 4) * sizeof (CHAR16), \r
+ L"&%s&ALTCFG=%04X", \r
+ ConfigHdr, \r
+ AltCfgId\r
+ );\r
+ String += StrLen (String);\r
+\r
+ //\r
+ // Add <ConfigBody> ::= <ConfigElement>*\r
+ //\r
+ BufferEnd = Buffer + ReadUnaligned32 ((UINT32 *)Buffer);\r
+ Buffer += sizeof (UINT32);\r
+ while (Buffer < BufferEnd) {\r
+ //\r
+ // Extract Width field\r
+ //\r
+ Width = ReadUnaligned16 ((UINT16 *)(Buffer + sizeof (UINT16)));\r
+\r
+ //\r
+ // Add <BlockConfig>\r
+ //\r
+ UnicodeSPrint (\r
+ String, \r
+ (8 + 4 + 7 + 4 + 7 + Width * 2) * sizeof (CHAR16),\r
+ L"&OFFSET=%04X&WIDTH=%04X&VALUE=", \r
+ ReadUnaligned16 ((UINT16 *)Buffer), \r
+ Width\r
+ );\r
+ String += StrLen (String);\r
+\r
+ //\r
+ // Update Buffer to point to the value in the current record\r
+ //\r
+ Buffer += (sizeof (UINT16) + sizeof (UINT16));\r
+\r
+ //\r
+ // Convert Value to a hex string in "%x" format\r
+ // NOTE: This is in the opposite byte that GUID and PATH use\r
+ //\r
+ for (; Width > 0; Width--) {\r
+ String += UnicodeValueToString (String, PREFIX_ZERO | RADIX_HEX, Buffer[Width - 1], 2);\r
+ }\r
+ //\r
+ // Update Buffer to the next record\r
+ //\r
+ Buffer += Width;\r
+ }\r
+ }\r
+ VA_END (Args);\r
+\r
+ //\r
+ // Convert all hex digits in range [A-F] in the configuration header to [a-f]\r
+ //\r
+ return InternalHiiLowerConfigString (ConfigAltResp);\r
+\r
+Exit:\r
+ if (ConfigHdr != NULL) {\r
+ FreePool (ConfigHdr);\r
+ }\r
+ if (ConfigRequest != NULL) {\r
+ FreePool (ConfigRequest);\r
+ }\r
+ if (ConfigResp != NULL) {\r
+ FreePool (ConfigResp);\r
+ }\r
+\r
+ return NULL;\r
+}\r
+\r
+/**\r
+ Determines if two values in config strings match.\r
+\r
+ Compares the substring between StartSearchString and StopSearchString in \r
+ FirstString to the substring between StartSearchString and StopSearchString \r
+ in SecondString. If the two substrings match, then TRUE is returned. If the\r
+ two substrings do not match, then FALSE is returned.\r
+\r
+ If FirstString is NULL, then ASSERT().\r
+ If SecondString is NULL, then ASSERT().\r
+ If StartSearchString is NULL, then ASSERT().\r
+ If StopSearchString is NULL, then ASSERT().\r
+\r
+ @param FirstString Pointer to the first Null-terminated Unicode string.\r
+ @param SecondString Pointer to the second Null-terminated Unicode string.\r
+ @param StartSearchString Pointer to the Null-terminated Unicode string that \r
+ marks the start of the value string to compare.\r
+ @param StopSearchString Pointer to the Null-terminated Unicode string that \r
+ marks the end of the vakue string to compare.\r
+\r
+ @retval FALSE StartSearchString is not present in FirstString. \r
+ @retval FALSE StartSearchString is not present in SecondString.\r
+ @retval FALSE StopSearchString is not present in FirstString. \r
+ @retval FALSE StopSearchString is not present in SecondString.\r
+ @retval FALSE The length of the substring in FirstString is not the \r
+ same length as the substring in SecondString.\r
+ @retval FALSE The value string in FirstString does not matche the \r
+ value string in SecondString.\r
+ @retval TRUE The value string in FirstString matches the value \r
+ string in SecondString.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+InternalHiiCompareSubString (\r
+ IN CHAR16 *FirstString,\r
+ IN CHAR16 *SecondString,\r
+ IN CHAR16 *StartSearchString,\r
+ IN CHAR16 *StopSearchString\r
+ )\r
+{\r
+ CHAR16 *EndFirstString;\r
+ CHAR16 *EndSecondString;\r
+\r
+ ASSERT (FirstString != NULL);\r
+ ASSERT (SecondString != NULL);\r
+ ASSERT (StartSearchString != NULL);\r
+ ASSERT (StopSearchString != NULL);\r
+\r
+ FirstString = StrStr (FirstString, StartSearchString);\r
+ if (FirstString == NULL) {\r
+ return FALSE;\r
+ }\r
+\r
+ SecondString = StrStr (SecondString, StartSearchString);\r
+ if (SecondString == NULL) {\r
+ return FALSE;\r
+ }\r
+\r
+ EndFirstString = StrStr (FirstString, StopSearchString);\r
+ if (EndFirstString == NULL) {\r
+ return FALSE;\r
+ }\r
+\r
+ EndSecondString = StrStr (SecondString, StopSearchString);\r
+ if (EndSecondString == NULL) {\r
+ return FALSE;\r
+ }\r
+\r
+ if ((EndFirstString - FirstString) != (EndSecondString - SecondString)) {\r
+ return FALSE;\r
+ }\r
+\r
+ return (BOOLEAN)(StrnCmp (FirstString, SecondString, EndFirstString - FirstString) == 0);\r
+}\r
+\r
+/**\r
+ Determines if the routing data specified by GUID and NAME match a <ConfigHdr>.\r
+\r
+ If ConfigHdr is NULL, then ASSERT().\r
+\r
+ @param[in] ConfigHdr Either <ConfigRequest> or <ConfigResp>.\r
+ @param[in] Guid GUID of the storage.\r
+ @param[in] Name NAME of the storage.\r
+\r
+ @retval TRUE Routing information matches <ConfigHdr>.\r
+ @retval FALSE Routing information does not match <ConfigHdr>.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+HiiIsConfigHdrMatch (\r
+ IN CONST EFI_STRING ConfigHdr,\r
+ IN CONST EFI_GUID *Guid, OPTIONAL\r
+ IN CONST CHAR16 *Name OPTIONAL\r
+ )\r
+{\r
+ EFI_STRING CompareConfigHdr;\r
+ BOOLEAN Result;\r
+\r
+ ASSERT (ConfigHdr != NULL);\r
+\r
+ //\r
+ // Use Guid and Name to generate a <ConfigHdr> string\r
+ //\r
+ CompareConfigHdr = HiiConstructConfigHdr (Guid, Name, NULL);\r
+ if (CompareConfigHdr == NULL) {\r
+ return FALSE;\r
+ }\r
+\r
+ Result = TRUE;\r
+ if (Guid != NULL) {\r
+ //\r
+ // Compare GUID value strings\r
+ //\r
+ Result = InternalHiiCompareSubString (ConfigHdr, CompareConfigHdr, L"GUID=", L"&NAME=");\r
+ }\r
+\r
+ if (Result && Name != NULL) {\r
+ //\r
+ // Compare NAME value strings\r
+ //\r
+ Result = InternalHiiCompareSubString (ConfigHdr, CompareConfigHdr, L"&NAME=", L"&PATH=");\r
+ }\r
+\r
+ //\r
+ // Free the <ConfigHdr> string\r
+ //\r
+ FreePool (CompareConfigHdr);\r
+\r
+ return Result;\r
+}\r
+\r
+/**\r
+ Retrieves uncommited data from the Form Browser and converts it to a binary\r
+ buffer. The returned buffer is allocated using AllocatePool(). The caller\r
+ is responsible for freeing the returned buffer using FreePool().\r
+\r
+ @param[in] VariableName Pointer to a Null-terminated Unicode string. This \r
+ is an optional parameter that may be NULL.\r
+ @param[in] VariableGuid Pointer to an EFI_GUID structure. This is an optional \r
+ parameter that may be NULL.\r
+\r
+ @retval NULL The uncommitted data could not be retrieved.\r
+ @retval Other A pointer to a buffer containing the uncommitted data.\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+HiiGetBrowserData (\r
+ IN CONST EFI_GUID *VariableGuid, OPTIONAL\r
+ IN CONST CHAR16 *VariableName OPTIONAL\r
+ )\r
+{\r
+ EFI_STRING ResultsData;\r
+ UINTN Size;\r
+ EFI_STRING ConfigResp;\r
+ UINT8 *Block;\r
+\r
+ //\r
+ // Retrieve the results data from the Browser Callback\r
+ //\r
+ ResultsData = InternalHiiBrowserCallback (VariableGuid, VariableName, NULL);\r
+ if (ResultsData == NULL) {\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Construct <ConfigResp>\r
+ //\r
+ Size = (StrLen (mConfigHdrTemplate) + 1 + StrLen (ResultsData) + 1) * sizeof (CHAR16);\r
+ ConfigResp = AllocateZeroPool (Size);\r
+ UnicodeSPrint (ConfigResp, Size, L"%s&%s", mConfigHdrTemplate, ResultsData);\r
+\r
+\r
+ FreePool (ResultsData);\r
+ if (ConfigResp == NULL) {\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Convert <ConfigResp> to a buffer\r
+ //\r
+ Block = InternalHiiConfigToBlock (ConfigResp);\r
+ FreePool (ConfigResp);\r
+\r
+ //\r
+ // Return converted buffer\r
+ //\r
+ return Block;\r
+}\r
+\r
+/**\r
+ Updates uncommitted data in the Form Browser.\r
+\r
+ If Buffer is NULL, then ASSERT().\r
+\r
+ @param[in] VariableName Pointer to a Null-terminated Unicode string. This\r
+ is an optional parameter that may be NULL.\r
+ @param[in] VariableGuid Pointer to an EFI_GUID structure. This is an optional\r
+ parameter that may be NULL.\r
+ @param[in] BufferSize Length, in bytes, of Buffer.\r
+ @param[in] Buffer Buffer of data to commit.\r
+ @param[in] RequestElement An optional field to specify which part of the\r
+ buffer data will be send back to Browser. If NULL,\r
+ the whole buffer of data will be committed to\r
+ Browser. \r
+ <RequestElement> ::= &OFFSET=<Number>&WIDTH=<Number>*\r
+\r
+ @retval FALSE The uncommitted data could not be updated.\r
+ @retval TRUE The uncommitted data was updated.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+HiiSetBrowserData (\r
+ IN CONST EFI_GUID *VariableGuid, OPTIONAL\r
+ IN CONST CHAR16 *VariableName, OPTIONAL\r
+ IN UINTN BufferSize,\r
+ IN CONST UINT8 *Buffer,\r
+ IN CONST CHAR16 *RequestElement OPTIONAL\r
+ )\r
+{\r
+ UINTN Size;\r
+ EFI_STRING ConfigRequest;\r
+ EFI_STRING ConfigResp;\r
+ EFI_STRING ResultsData;\r
+\r
+ ASSERT (Buffer != NULL);\r
+\r
+ //\r
+ // Construct <ConfigRequest>\r
+ //\r
+ if (RequestElement == NULL) {\r
+ //\r
+ // Allocate and fill a buffer large enough to hold the <ConfigHdr> template \r
+ // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator\r
+ //\r
+ Size = (StrLen (mConfigHdrTemplate) + 32 + 1) * sizeof (CHAR16);\r
+ ConfigRequest = AllocateZeroPool (Size);\r
+ UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", mConfigHdrTemplate, (UINT64)BufferSize);\r
+ } else {\r
+ //\r
+ // Allocate and fill a buffer large enough to hold the <ConfigHdr> template \r
+ // followed by <RequestElement> followed by a Null-terminator\r
+ //\r
+ Size = (StrLen (mConfigHdrTemplate) + StrLen (RequestElement) + 1) * sizeof (CHAR16);\r
+ ConfigRequest = AllocateZeroPool (Size);\r
+ UnicodeSPrint (ConfigRequest, Size, L"%s%s", mConfigHdrTemplate, RequestElement);\r
+ }\r
+ if (ConfigRequest == NULL) {\r
+ return FALSE;\r
+ }\r
+\r
+ //\r
+ // Convert <ConfigRequest> to <ConfigResp>\r
+ //\r
+ ConfigResp = InternalHiiBlockToConfig (ConfigRequest, Buffer, BufferSize);\r
+ FreePool (ConfigRequest);\r
+ if (ConfigResp == NULL) {\r
+ return FALSE;\r
+ }\r
+\r
+ //\r
+ // Set data in the uncommitted browser state information\r
+ //\r
+ ResultsData = InternalHiiBrowserCallback (VariableGuid, VariableName, ConfigResp + StrLen(mConfigHdrTemplate) + 1);\r
+ FreePool (ConfigResp);\r
+\r
+ return (BOOLEAN)(ResultsData != NULL);\r
+}\r
+\r
+/////////////////////////////////////////\r
+/////////////////////////////////////////\r
+/// IFR Functions\r
+/////////////////////////////////////////\r
+/////////////////////////////////////////\r
+\r
+#define HII_LIB_OPCODE_ALLOCATION_SIZE 0x200\r
+\r
+typedef struct {\r
+ UINT8 *Buffer;\r
+ UINTN BufferSize;\r
+ UINTN Position;\r
+} HII_LIB_OPCODE_BUFFER;\r
+\r
+///\r
+/// Lookup table that converts EFI_IFR_TYPE_X enum values to a width in bytes\r
+///\r
+GLOBAL_REMOVE_IF_UNREFERENCED CONST UINT8 mHiiDefaultTypeToWidth[] = {\r
+ 1, // EFI_IFR_TYPE_NUM_SIZE_8\r
+ 2, // EFI_IFR_TYPE_NUM_SIZE_16\r
+ 4, // EFI_IFR_TYPE_NUM_SIZE_32\r
+ 8, // EFI_IFR_TYPE_NUM_SIZE_64\r
+ 1, // EFI_IFR_TYPE_BOOLEAN\r
+ 3, // EFI_IFR_TYPE_TIME\r
+ 4, // EFI_IFR_TYPE_DATE\r
+ 2 // EFI_IFR_TYPE_STRING\r
+};\r
+\r
+/**\r
+ Allocates and returns a new OpCode Handle. OpCode Handles must be freed with \r
+ HiiFreeOpCodeHandle().\r
+\r
+ @retval NULL There are not enough resources to allocate a new OpCode Handle.\r
+ @retval Other A new OpCode handle.\r
+\r
+**/\r
+VOID *\r
+EFIAPI\r
+HiiAllocateOpCodeHandle (\r
+ VOID\r
+ )\r
+{\r
+ HII_LIB_OPCODE_BUFFER *OpCodeBuffer;\r
+\r
+ OpCodeBuffer = (HII_LIB_OPCODE_BUFFER *)AllocatePool (sizeof (HII_LIB_OPCODE_BUFFER));\r
+ if (OpCodeBuffer == NULL) {\r
+ return NULL;\r
+ }\r
+ OpCodeBuffer->Buffer = (UINT8 *)AllocatePool (HII_LIB_OPCODE_ALLOCATION_SIZE);\r
+ if (OpCodeBuffer->Buffer == NULL) {\r
+ FreePool (OpCodeBuffer);\r
+ return NULL;\r
+ }\r
+ OpCodeBuffer->BufferSize = HII_LIB_OPCODE_ALLOCATION_SIZE;\r
+ OpCodeBuffer->Position = 0;\r
+ return (VOID *)OpCodeBuffer;\r
+}\r
+\r
+/**\r
+ Frees an OpCode Handle that was peviously allocated with HiiAllocateOpCodeHandle().\r
+ When an OpCode Handle is freed, all of the opcodes associated with the OpCode\r
+ Handle are also freed.\r
+\r
+ If OpCodeHandle is NULL, then ASSERT().\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+HiiFreeOpCodeHandle (\r
+ VOID *OpCodeHandle\r
+ )\r
+{\r
+ HII_LIB_OPCODE_BUFFER *OpCodeBuffer;\r
+\r
+ ASSERT (OpCodeHandle != NULL);\r
+\r
+ OpCodeBuffer = (HII_LIB_OPCODE_BUFFER *)OpCodeHandle;\r
+ if (OpCodeBuffer->Buffer != NULL) {\r
+ FreePool (OpCodeBuffer->Buffer);\r
+ }\r
+ FreePool (OpCodeBuffer);\r
+}\r
+\r
+UINTN\r
+EFIAPI\r
+InternalHiiOpCodeHandlePosition (\r
+ IN VOID *OpCodeHandle\r
+ )\r
+{\r
+ return ((HII_LIB_OPCODE_BUFFER *)OpCodeHandle)->Position;\r
+}\r
+\r
+UINT8 *\r
+EFIAPI\r
+InternalHiiOpCodeHandleBuffer (\r
+ IN VOID *OpCodeHandle\r
+ )\r
+{\r
+ return ((HII_LIB_OPCODE_BUFFER *)OpCodeHandle)->Buffer;\r
+}\r
+\r
+UINT8 *\r
+EFIAPI\r
+InternalHiiGrowOpCodeHandle (\r
+ VOID *OpCodeHandle,\r
+ UINTN Size\r
+ )\r
+{\r
+ HII_LIB_OPCODE_BUFFER *OpCodeBuffer;\r
+ UINT8 *Buffer;\r
+\r
+ ASSERT (OpCodeHandle != NULL);\r
+\r
+ OpCodeBuffer = (HII_LIB_OPCODE_BUFFER *)OpCodeHandle;\r
+ if (OpCodeBuffer->Position + Size > OpCodeBuffer->BufferSize) {\r
+ Buffer = ReallocatePool (\r
+ OpCodeBuffer->BufferSize, \r
+ OpCodeBuffer->BufferSize + (Size + HII_LIB_OPCODE_ALLOCATION_SIZE),\r
+ OpCodeBuffer->Buffer\r
+ );\r
+ if (Buffer == NULL) {\r
+ return NULL;\r
+ }\r
+ OpCodeBuffer->Buffer = Buffer;\r
+ OpCodeBuffer->BufferSize += (Size + HII_LIB_OPCODE_ALLOCATION_SIZE);\r
+ }\r
+ Buffer = OpCodeBuffer->Buffer + OpCodeBuffer->Position;\r
+ OpCodeBuffer->Position += Size;\r
+ return Buffer;\r
+}\r
+\r
+UINT8 *\r
+EFIAPI\r
+InternalHiiCreateOpCodeExtended (\r
+ IN VOID *OpCodeHandle,\r
+ IN VOID *OpCodeTemplate,\r
+ IN UINT8 OpCode,\r
+ IN UINTN OpCodeSize,\r
+ IN UINTN ExtensionSize,\r
+ IN UINT8 Scope\r
+ )\r
+{\r
+ EFI_IFR_OP_HEADER *Header;\r
+ UINT8 *Buffer;\r
+\r
+ ASSERT (OpCodeTemplate != NULL);\r
+ ASSERT ((OpCodeSize + ExtensionSize) <= 0x7F);\r
+\r
+ Header = (EFI_IFR_OP_HEADER *)OpCodeTemplate;\r
+ Header->OpCode = OpCode;\r
+ Header->Scope = Scope;\r
+ Header->Length = (UINT8)(OpCodeSize + ExtensionSize);\r
+ Buffer = InternalHiiGrowOpCodeHandle (OpCodeHandle, Header->Length);\r
+ return (UINT8 *)CopyMem (Buffer, Header, OpCodeSize);\r
+}\r
+\r
+UINT8 *\r
+EFIAPI\r
+InternalHiiCreateOpCode (\r
+ IN VOID *OpCodeHandle,\r
+ IN VOID *OpCodeTemplate,\r
+ IN UINT8 OpCode,\r
+ IN UINTN OpCodeSize\r
+ )\r
+{\r
+ return InternalHiiCreateOpCodeExtended (OpCodeHandle, OpCodeTemplate, OpCode, OpCodeSize, 0, 0);\r
+}\r
+\r
+/**\r
+ Append raw opcodes to an OpCodeHandle.\r
+\r
+ If OpCodeHandle is NULL, then ASSERT().\r
+ If RawBuffer is NULL, then ASSERT();\r
+\r
+ @param[in] OpCodeHandle Handle to the buffer of opcodes.\r
+ @param[in] RawBuffer Buffer of opcodes to append.\r
+ @param[in] RawBufferSize The size, in bytes, of Buffer.\r
+\r
+ @retval NULL There is not enough space left in Buffer to add the opcode.\r
+ @retval Other A pointer to the appended opcodes.\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+InternalHiiCreateRawOpCodes (\r
+ IN VOID *OpCodeHandle,\r
+ IN UINT8 *RawBuffer,\r
+ IN UINTN RawBufferSize\r
+ )\r
+{\r
+ UINT8 *Buffer;\r
+\r
+ ASSERT (RawBuffer != NULL);\r
+\r
+ Buffer = InternalHiiGrowOpCodeHandle (OpCodeHandle, RawBufferSize);\r
+ return (UINT8 *)CopyMem (Buffer, RawBuffer, RawBufferSize);\r
+}\r
+\r
+/**\r
+ Append opcodes from one OpCode Handle to another OpCode handle.\r
+\r
+ If OpCodeHandle is NULL, then ASSERT().\r
+ If RawOpCodeHandle is NULL, then ASSERT();\r
+\r
+ @param[in] OpCodeHandle Handle to the buffer of opcodes.\r
+ @param[in] RawOpCodeHandle Handle to the buffer of opcodes.\r
+\r
+ @retval NULL There is not enough space left in Buffer to add the opcode.\r
+ @retval Other A pointer to the appended opcodes.\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+InternalHiiAppendOpCodes (\r
+ IN VOID *OpCodeHandle,\r
+ IN VOID *RawOpCodeHandle\r
+ )\r
+{\r
+ HII_LIB_OPCODE_BUFFER *RawOpCodeBuffer;\r
+\r
+ ASSERT (RawOpCodeHandle != NULL);\r
+\r
+ RawOpCodeBuffer = (HII_LIB_OPCODE_BUFFER *)RawOpCodeHandle;\r
+ return InternalHiiCreateRawOpCodes (OpCodeHandle, RawOpCodeBuffer->Buffer, RawOpCodeBuffer->Position);\r
+}\r
+\r
+/**\r
+ Create EFI_IFR_END_OP opcode.\r
+\r
+ If OpCodeHandle is NULL, then ASSERT().\r
+\r
+ @param[in] OpCodeHandle Handle to the buffer of opcodes.\r
+\r
+ @retval NULL There is not enough space left in Buffer to add the opcode.\r
+ @retval Other A pointer to the created opcode.\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+HiiCreateEndOpCode (\r
+ IN VOID *OpCodeHandle\r
+ )\r
+{\r
+ EFI_IFR_END OpCode;\r
+\r
+ return InternalHiiCreateOpCode (OpCodeHandle, &OpCode, EFI_IFR_END_OP, sizeof (OpCode));\r
+}\r
+\r
+/**\r
+ Create EFI_IFR_ONE_OF_OPTION_OP opcode.\r
+\r
+ If OpCodeHandle is NULL, then ASSERT().\r
+ If Type is invalid, then ASSERT().\r
+ If Flags is invalid, then ASSERT().\r
+\r
+ @param[in] OpCodeHandle Handle to the buffer of opcodes.\r
+ @param[in] StringId StringId for the option\r
+ @param[in] Flags Flags for the option\r
+ @param[in] Type Type for the option\r
+ @param[in] Value Value for the option\r
+\r
+ @retval NULL There is not enough space left in Buffer to add the opcode.\r
+ @retval Other A pointer to the created opcode.\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+HiiCreateOneOfOptionOpCode (\r
+ IN VOID *OpCodeHandle,\r
+ IN UINT16 StringId,\r
+ IN UINT8 Flags,\r
+ IN UINT8 Type,\r
+ IN UINT64 Value\r
+ )\r
+{\r
+ EFI_IFR_ONE_OF_OPTION OpCode;\r
+\r
+ ASSERT (Type < EFI_IFR_TYPE_OTHER);\r
+\r
+ ZeroMem (&OpCode, sizeof (OpCode));\r
+ OpCode.Option = StringId;\r
+ OpCode.Flags = (UINT8) (Flags & (EFI_IFR_OPTION_DEFAULT | EFI_IFR_OPTION_DEFAULT_MFG));\r
+ OpCode.Type = Type;\r
+ CopyMem (&OpCode.Value, &Value, mHiiDefaultTypeToWidth[Type]);\r
+\r
+ return InternalHiiCreateOpCode (OpCodeHandle, &OpCode, EFI_IFR_ONE_OF_OPTION_OP, sizeof (OpCode));\r
+}\r
+\r
+/**\r
+ Create EFI_IFR_DEFAULT_OP opcode.\r
+\r
+ If OpCodeHandle is NULL, then ASSERT().\r
+ If Type is invalid, then ASSERT().\r
+\r
+ @param[in] OpCodeHandle Handle to the buffer of opcodes.\r
+ @param[in] DefaultId DefaultId for the default\r
+ @param[in] Type Type for the default\r
+ @param[in] Value Value for the default\r
+\r
+ @retval NULL There is not enough space left in Buffer to add the opcode.\r
+ @retval Other A pointer to the created opcode.\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+HiiCreateDefaultOpCode (\r
+ IN VOID *OpCodeHandle,\r
+ IN UINT16 DefaultId,\r
+ IN UINT8 Type,\r
+ IN UINT64 Value\r
+ )\r
+{\r
+ EFI_IFR_DEFAULT OpCode;\r
+\r
+ ASSERT (Type < EFI_IFR_TYPE_OTHER);\r
+\r
+ ZeroMem (&OpCode, sizeof (OpCode));\r
+ OpCode.Type = Type;\r
+ OpCode.DefaultId = DefaultId;\r
+ CopyMem (&OpCode.Value, &Value, mHiiDefaultTypeToWidth[Type]);\r
+\r
+ return InternalHiiCreateOpCode (OpCodeHandle, &OpCode, EFI_IFR_DEFAULT_OP, sizeof (OpCode));\r
+}\r
+\r
+/**\r
+ Create EFI_IFR_GUID opcode.\r
+\r
+ If OpCodeHandle is NULL, then ASSERT().\r
+ If Guid is NULL, then ASSERT().\r
+ If OpCodeSize < sizeof (EFI_IFR_GUID), then ASSERT().\r
+\r
+ @param[in] OpCodeHandle Handle to the buffer of opcodes.\r
+ @param[in] Guid Pointer to EFI_GUID of this guided opcode.\r
+ @param[in] GuidOpCode Pointer to an EFI_IFR_GUID opcode. This is an \r
+ optional parameter that may be NULL. If this\r
+ parameter is NULL, then the GUID extension \r
+ region of the created opcode is filled with zeros.\r
+ If this parameter is not NULL, then the GUID \r
+ extension region of GuidData will be copied to \r
+ the GUID extension region of the created opcode.\r
+ @param[in] OpCodeSize The size, in bytes, of created opcode. This value \r
+ must be >= sizeof(EFI_IFR_GUID).\r
+\r
+ @retval NULL There is not enough space left in Buffer to add the opcode.\r
+ @retval Other A pointer to the created opcode.\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+HiiCreateGuidOpCode (\r
+ IN VOID *OpCodeHandle,\r
+ IN CONST EFI_GUID *Guid,\r
+ IN CONST VOID *GuidOpCode, OPTIONAL\r
+ IN UINTN OpCodeSize\r
+ )\r
+{\r
+ EFI_IFR_GUID OpCode;\r
+ EFI_IFR_GUID *OpCodePointer;\r
+\r
+ ASSERT (Guid != NULL);\r
+ ASSERT (OpCodeSize >= sizeof (OpCode));\r
+\r
+ ZeroMem (&OpCode, sizeof (OpCode));\r
+ CopyGuid (&OpCode.Guid, Guid);\r
+\r
+ OpCodePointer = (EFI_IFR_GUID *)InternalHiiCreateOpCodeExtended (\r
+ OpCodeHandle, \r
+ &OpCode,\r
+ EFI_IFR_GUID_OP,\r
+ sizeof (OpCode),\r
+ OpCodeSize - sizeof (OpCode),\r
+ 0\r
+ );\r
+ if (OpCodePointer != NULL && GuidOpCode != NULL) {\r
+ CopyMem (OpCodePointer + 1, (EFI_IFR_GUID *)GuidOpCode + 1, OpCodeSize - sizeof (OpCode));\r
+ }\r
+ return (UINT8 *)OpCodePointer;\r
+}\r
+\r
+/**\r
+ Create EFI_IFR_ACTION_OP opcode.\r
+\r
+ If OpCodeHandle is NULL, then ASSERT().\r
+ If any reserved bits are set in QuestionFlags, then ASSERT().\r
+\r
+ @param[in] OpCodeHandle Handle to the buffer of opcodes.\r
+ @param[in] QuestionId Question ID\r
+ @param[in] Prompt String ID for Prompt\r
+ @param[in] Help String ID for Help\r
+ @param[in] QuestionFlags Flags in Question Header\r
+ @param[in] QuestionConfig String ID for configuration\r
+\r
+ @retval NULL There is not enough space left in Buffer to add the opcode.\r
+ @retval Other A pointer to the created opcode.\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+HiiCreateActionOpCode (\r
+ IN VOID *OpCodeHandle,\r
+ IN EFI_QUESTION_ID QuestionId,\r
+ IN EFI_STRING_ID Prompt,\r
+ IN EFI_STRING_ID Help,\r
+ IN UINT8 QuestionFlags,\r
+ IN EFI_STRING_ID QuestionConfig\r
+ )\r
+{\r
+ EFI_IFR_ACTION OpCode;\r
+\r
+ ASSERT ((QuestionFlags & (~(EFI_IFR_FLAG_READ_ONLY | EFI_IFR_FLAG_CALLBACK | EFI_IFR_FLAG_RESET_REQUIRED | EFI_IFR_FLAG_OPTIONS_ONLY))) == 0);\r
+\r
+ ZeroMem (&OpCode, sizeof (OpCode));\r
+ OpCode.Question.QuestionId = QuestionId;\r
+ OpCode.Question.Header.Prompt = Prompt;\r
+ OpCode.Question.Header.Help = Help;\r
+ OpCode.Question.Flags = QuestionFlags;\r
+ OpCode.QuestionConfig = QuestionConfig;\r
+\r
+ return InternalHiiCreateOpCode (OpCodeHandle, &OpCode, EFI_IFR_ACTION_OP, sizeof (OpCode));\r
+}\r
+\r
+/**\r
+ Create EFI_IFR_SUBTITLE_OP opcode.\r
+\r
+ If OpCodeHandle is NULL, then ASSERT().\r
+ If any reserved bits are set in Flags, then ASSERT().\r
+ If Scope > 1, then ASSERT().\r
+\r
+ @param[in] OpCodeHandle Handle to the buffer of opcodes.\r
+ @param[in] Prompt String ID for Prompt\r
+ @param[in] Help String ID for Help\r
+ @param[in] Flags Subtitle opcode flags\r
+ @param[in] Scope 1 if this opcpde is the beginning of a new scope.\r
+ 0 if this opcode is within the current scope.\r
+\r
+ @retval NULL There is not enough space left in Buffer to add the opcode.\r
+ @retval Other A pointer to the created opcode.\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+HiiCreateSubTitleOpCode (\r
+ IN VOID *OpCodeHandle,\r
+ IN EFI_STRING_ID Prompt,\r
+ IN EFI_STRING_ID Help,\r
+ IN UINT8 Flags,\r
+ IN UINT8 Scope\r
+ )\r
+{\r
+ EFI_IFR_SUBTITLE OpCode;\r
+\r
+ ASSERT (Scope <= 1);\r
+ ASSERT ((Flags & (~(EFI_IFR_FLAGS_HORIZONTAL))) == 0);\r
+\r
+ ZeroMem (&OpCode, sizeof (OpCode));\r
+ OpCode.Statement.Prompt = Prompt;\r
+ OpCode.Statement.Help = Help;\r
+ OpCode.Flags = Flags;\r
+\r
+ return InternalHiiCreateOpCodeExtended (\r
+ OpCodeHandle, \r
+ &OpCode,\r
+ EFI_IFR_SUBTITLE_OP, \r
+ sizeof (OpCode), \r
+ 0, \r
+ Scope\r
+ );\r
+}\r
+\r
+/**\r
+ Create EFI_IFR_REF_OP opcode.\r
+\r
+ If OpCodeHandle is NULL, then ASSERT().\r
+ If any reserved bits are set in QuestionFlags, then ASSERT().\r
+\r
+ @param[in] OpCodeHandle Handle to the buffer of opcodes.\r
+ @param[in] FormId Destination Form ID\r
+ @param[in] Prompt String ID for Prompt\r
+ @param[in] Help String ID for Help\r
+ @param[in] QuestionFlags Flags in Question Header\r
+ @param[in] QuestionId Question ID\r
+\r
+ @retval NULL There is not enough space left in Buffer to add the opcode.\r
+ @retval Other A pointer to the created opcode.\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+HiiCreateGotoOpCode (\r
+ IN VOID *OpCodeHandle,\r
+ IN EFI_FORM_ID FormId,\r
+ IN EFI_STRING_ID Prompt,\r
+ IN EFI_STRING_ID Help,\r
+ IN UINT8 QuestionFlags,\r
+ IN EFI_QUESTION_ID QuestionId\r
+ )\r
+{\r
+ EFI_IFR_REF OpCode;\r
+\r
+ ASSERT ((QuestionFlags & (~(EFI_IFR_FLAG_READ_ONLY | EFI_IFR_FLAG_CALLBACK | EFI_IFR_FLAG_RESET_REQUIRED | EFI_IFR_FLAG_OPTIONS_ONLY))) == 0);\r
+\r
+ ZeroMem (&OpCode, sizeof (OpCode));\r
+ OpCode.Question.Header.Prompt = Prompt;\r
+ OpCode.Question.Header.Help = Help;\r
+ OpCode.Question.QuestionId = QuestionId;\r
+ OpCode.Question.Flags = QuestionFlags;\r
+ OpCode.FormId = FormId;\r
+\r
+ return InternalHiiCreateOpCode (OpCodeHandle, &OpCode, EFI_IFR_REF_OP, sizeof (OpCode));\r
+}\r
+\r
+/**\r
+ Create EFI_IFR_CHECKBOX_OP opcode.\r
+\r
+ If OpCodeHandle is NULL, then ASSERT().\r
+ If any reserved bits are set in QuestionFlags, then ASSERT().\r
+ If any reserved bits are set in CheckBoxFlags, then ASSERT().\r
+\r
+ @param[in] OpCodeHandle Handle to the buffer of opcodes.\r
+ @param[in] QuestionId Question ID\r
+ @param[in] VarStoreId Storage ID\r
+ @param[in] VarOffset Offset in Storage\r
+ @param[in] Prompt String ID for Prompt\r
+ @param[in] Help String ID for Help\r
+ @param[in] QuestionFlags Flags in Question Header\r
+ @param[in] CheckBoxFlags Flags for checkbox opcode\r
+ @param[in] DefaultsOpCodeHandle Handle for a buffer of DEFAULT opcodes. This\r
+ is an optional parameter that may be NULL.\r
+\r
+ @retval NULL There is not enough space left in Buffer to add the opcode.\r
+ @retval Other A pointer to the created opcode.\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+HiiCreateCheckBoxOpCode (\r
+ IN VOID *OpCodeHandle,\r
+ IN EFI_QUESTION_ID QuestionId,\r
+ IN EFI_VARSTORE_ID VarStoreId,\r
+ IN UINT16 VarOffset,\r
+ IN EFI_STRING_ID Prompt,\r
+ IN EFI_STRING_ID Help,\r
+ IN UINT8 QuestionFlags,\r
+ IN UINT8 CheckBoxFlags,\r
+ IN VOID *DefaultsOpCodeHandle OPTIONAL\r
+ )\r
+{\r
+ EFI_IFR_CHECKBOX OpCode;\r
+ UINTN Position;\r
+\r
+ ASSERT ((QuestionFlags & (~(EFI_IFR_FLAG_READ_ONLY | EFI_IFR_FLAG_CALLBACK | EFI_IFR_FLAG_RESET_REQUIRED | EFI_IFR_FLAG_OPTIONS_ONLY))) == 0);\r
+\r
+ ZeroMem (&OpCode, sizeof (OpCode));\r
+ OpCode.Question.QuestionId = QuestionId;\r
+ OpCode.Question.VarStoreId = VarStoreId;\r
+ OpCode.Question.VarStoreInfo.VarOffset = VarOffset;\r
+ OpCode.Question.Header.Prompt = Prompt;\r
+ OpCode.Question.Header.Help = Help;\r
+ OpCode.Question.Flags = QuestionFlags;\r
+ OpCode.Flags = CheckBoxFlags;\r
+\r
+ if (DefaultsOpCodeHandle == NULL) {\r
+ return InternalHiiCreateOpCode (OpCodeHandle, &OpCode, EFI_IFR_CHECKBOX_OP, sizeof (OpCode));\r
+ }\r
+\r
+ Position = InternalHiiOpCodeHandlePosition (OpCodeHandle);\r
+ InternalHiiCreateOpCodeExtended (OpCodeHandle, &OpCode, EFI_IFR_CHECKBOX_OP, sizeof (OpCode), 0, 1);\r
+ InternalHiiAppendOpCodes (OpCodeHandle, DefaultsOpCodeHandle);\r
+ HiiCreateEndOpCode (OpCodeHandle);\r
+ return InternalHiiOpCodeHandleBuffer (OpCodeHandle) + Position;\r
+}\r
+\r
+/**\r
+ Create EFI_IFR_NUMERIC_OP opcode.\r
+\r
+ If OpCodeHandle is NULL, then ASSERT().\r
+ If any reserved bits are set in QuestionFlags, then ASSERT().\r
+ If any reserved bits are set in NumericFlags, then ASSERT().\r
+\r
+ @param[in] OpCodeHandle Handle to the buffer of opcodes.\r
+ @param[in] QuestionId Question ID\r
+ @param[in] VarStoreId Storage ID\r
+ @param[in] VarOffset Offset in Storage\r
+ @param[in] Prompt String ID for Prompt\r
+ @param[in] Help String ID for Help\r
+ @param[in] QuestionFlags Flags in Question Header\r
+ @param[in] NumericFlags Flags for numeric opcode\r
+ @param[in] Minimum Numeric minimum value\r
+ @param[in] Maximum Numeric maximum value\r
+ @param[in] Step Numeric step for edit\r
+ @param[in] DefaultsOpCodeHandle Handle for a buffer of DEFAULT opcodes. This\r
+ is an optional parameter that may be NULL.\r
+\r
+ @retval NULL There is not enough space left in Buffer to add the opcode.\r
+ @retval Other A pointer to the created opcode.\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+HiiCreateNumericOpCode (\r
+ IN VOID *OpCodeHandle,\r
+ IN EFI_QUESTION_ID QuestionId,\r
+ IN EFI_VARSTORE_ID VarStoreId,\r
+ IN UINT16 VarOffset,\r
+ IN EFI_STRING_ID Prompt,\r
+ IN EFI_STRING_ID Help,\r
+ IN UINT8 QuestionFlags,\r
+ IN UINT8 NumericFlags,\r
+ IN UINT64 Minimum,\r
+ IN UINT64 Maximum,\r
+ IN UINT64 Step,\r
+ IN VOID *DefaultsOpCodeHandle OPTIONAL\r
+ )\r
+{\r
+ EFI_IFR_NUMERIC OpCode;\r
+ UINTN Position;\r
+\r
+ ASSERT ((QuestionFlags & (~(EFI_IFR_FLAG_READ_ONLY | EFI_IFR_FLAG_CALLBACK | EFI_IFR_FLAG_RESET_REQUIRED | EFI_IFR_FLAG_OPTIONS_ONLY))) == 0);\r
+\r
+ ZeroMem (&OpCode, sizeof (OpCode));\r
+ OpCode.Question.QuestionId = QuestionId;\r
+ OpCode.Question.VarStoreId = VarStoreId;\r
+ OpCode.Question.VarStoreInfo.VarOffset = VarOffset;\r
+ OpCode.Question.Header.Prompt = Prompt;\r
+ OpCode.Question.Header.Help = Help;\r
+ OpCode.Question.Flags = QuestionFlags;\r
+ OpCode.Flags = NumericFlags;\r
+\r
+ switch (NumericFlags & EFI_IFR_NUMERIC_SIZE) {\r
+ case EFI_IFR_NUMERIC_SIZE_1:\r
+ OpCode.data.u8.MinValue = (UINT8)Minimum;\r
+ OpCode.data.u8.MaxValue = (UINT8)Maximum;\r
+ OpCode.data.u8.Step = (UINT8)Step;\r
+ break;\r
+\r
+ case EFI_IFR_NUMERIC_SIZE_2:\r
+ OpCode.data.u16.MinValue = (UINT16)Minimum;\r
+ OpCode.data.u16.MaxValue = (UINT16)Maximum;\r
+ OpCode.data.u16.Step = (UINT16)Step;\r
+ break;\r
+\r
+ case EFI_IFR_NUMERIC_SIZE_4:\r
+ OpCode.data.u32.MinValue = (UINT32)Minimum;\r
+ OpCode.data.u32.MaxValue = (UINT32)Maximum;\r
+ OpCode.data.u32.Step = (UINT32)Step;\r
+ break;\r
+\r
+ case EFI_IFR_NUMERIC_SIZE_8:\r
+ OpCode.data.u64.MinValue = Minimum;\r
+ OpCode.data.u64.MaxValue = Maximum;\r
+ OpCode.data.u64.Step = Step;\r
+ break;\r
+ }\r
+\r
+ if (DefaultsOpCodeHandle == NULL) {\r
+ return InternalHiiCreateOpCode (OpCodeHandle, &OpCode, EFI_IFR_NUMERIC_OP, sizeof (OpCode));\r
+ }\r
+\r
+ Position = InternalHiiOpCodeHandlePosition (OpCodeHandle);\r
+ InternalHiiCreateOpCodeExtended (OpCodeHandle, &OpCode, EFI_IFR_NUMERIC_OP, sizeof (OpCode), 0, 1);\r
+ InternalHiiAppendOpCodes (OpCodeHandle, DefaultsOpCodeHandle);\r
+ HiiCreateEndOpCode (OpCodeHandle);\r
+ return InternalHiiOpCodeHandleBuffer (OpCodeHandle) + Position;\r
+}\r
+\r
+/**\r
+ Create EFI_IFR_STRING_OP opcode.\r
+\r
+ If OpCodeHandle is NULL, then ASSERT().\r
+ If any reserved bits are set in QuestionFlags, then ASSERT().\r
+ If any reserved bits are set in StringFlags, then ASSERT().\r
+\r
+ @param[in] OpCodeHandle Handle to the buffer of opcodes.\r
+ @param[in] QuestionId Question ID\r
+ @param[in] VarStoreId Storage ID\r
+ @param[in] VarOffset Offset in Storage\r
+ @param[in] Prompt String ID for Prompt\r
+ @param[in] Help String ID for Help\r
+ @param[in] QuestionFlags Flags in Question Header\r
+ @param[in] StringFlags Flags for string opcode\r
+ @param[in] MinSize String minimum length\r
+ @param[in] MaxSize String maximum length\r
+ @param[in] DefaultsOpCodeHandle Handle for a buffer of DEFAULT opcodes. This\r
+ is an optional parameter that may be NULL.\r
+\r
+ @retval NULL There is not enough space left in Buffer to add the opcode.\r
+ @retval Other A pointer to the created opcode.\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+HiiCreateStringOpCode (\r
+ IN VOID *OpCodeHandle,\r
+ IN EFI_QUESTION_ID QuestionId,\r
+ IN EFI_VARSTORE_ID VarStoreId,\r
+ IN UINT16 VarOffset,\r
+ IN EFI_STRING_ID Prompt,\r
+ IN EFI_STRING_ID Help,\r
+ IN UINT8 QuestionFlags,\r
+ IN UINT8 StringFlags,\r
+ IN UINT8 MinSize,\r
+ IN UINT8 MaxSize,\r
+ IN VOID *DefaultsOpCodeHandle OPTIONAL\r
+ )\r
+{\r
+ EFI_IFR_STRING OpCode;\r
+ UINTN Position;\r
+\r
+ ASSERT ((QuestionFlags & (~(EFI_IFR_FLAG_READ_ONLY | EFI_IFR_FLAG_CALLBACK | EFI_IFR_FLAG_RESET_REQUIRED | EFI_IFR_FLAG_OPTIONS_ONLY))) == 0);\r
+\r
+ ZeroMem (&OpCode, sizeof (OpCode));\r
+ OpCode.Question.Header.Prompt = Prompt;\r
+ OpCode.Question.Header.Help = Help;\r
+ OpCode.Question.QuestionId = QuestionId;\r
+ OpCode.Question.VarStoreId = VarStoreId;\r
+ OpCode.Question.VarStoreInfo.VarOffset = VarOffset;\r
+ OpCode.Question.Flags = QuestionFlags;\r
+ OpCode.MinSize = MinSize;\r
+ OpCode.MaxSize = MaxSize;\r
+ OpCode.Flags = (UINT8) (StringFlags & EFI_IFR_STRING_MULTI_LINE);\r
+\r
+ if (DefaultsOpCodeHandle == NULL) {\r
+ return InternalHiiCreateOpCode (OpCodeHandle, &OpCode, EFI_IFR_STRING_OP, sizeof (OpCode));\r
+ }\r
+\r
+ Position = InternalHiiOpCodeHandlePosition (OpCodeHandle);\r
+ InternalHiiCreateOpCodeExtended (OpCodeHandle, &OpCode, EFI_IFR_STRING_OP, sizeof (OpCode), 0, 1);\r
+ InternalHiiAppendOpCodes (OpCodeHandle, DefaultsOpCodeHandle);\r
+ HiiCreateEndOpCode (OpCodeHandle);\r
+ return InternalHiiOpCodeHandleBuffer (OpCodeHandle) + Position;\r
+}\r
+\r
+/**\r
+ Create EFI_IFR_ONE_OF_OP opcode.\r
+\r
+ If OpCodeHandle is NULL, then ASSERT().\r
+ If any reserved bits are set in QuestionFlags, then ASSERT().\r
+ If any reserved bits are set in OneOfFlags, then ASSERT().\r
+\r
+ @param[in] OpCodeHandle Handle to the buffer of opcodes.\r
+ @param[in] QuestionId Question ID\r
+ @param[in] VarStoreId Storage ID\r
+ @param[in] VarOffset Offset in Storage\r
+ @param[in] Prompt String ID for Prompt\r
+ @param[in] Help String ID for Help\r
+ @param[in] QuestionFlags Flags in Question Header\r
+ @param[in] OneOfFlags Flags for oneof opcode\r
+ @param[in] OptionsOpCodeHandle Handle for a buffer of ONE_OF_OPTION opcodes.\r
+ @param[in] DefaultsOpCodeHandle Handle for a buffer of DEFAULT opcodes. This\r
+ is an optional parameter that may be NULL.\r
+\r
+ @retval NULL There is not enough space left in Buffer to add the opcode.\r
+ @retval Other A pointer to the created opcode.\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+HiiCreateOneOfOpCode (\r
+ IN VOID *OpCodeHandle,\r
+ IN EFI_QUESTION_ID QuestionId,\r
+ IN EFI_VARSTORE_ID VarStoreId,\r
+ IN UINT16 VarOffset,\r
+ IN EFI_STRING_ID Prompt,\r
+ IN EFI_STRING_ID Help,\r
+ IN UINT8 QuestionFlags,\r
+ IN UINT8 OneOfFlags,\r
+ IN VOID *OptionsOpCodeHandle,\r
+ IN VOID *DefaultsOpCodeHandle OPTIONAL\r
+ )\r
+{\r
+ EFI_IFR_ONE_OF OpCode;\r
+ UINTN Position;\r
+\r
+ ASSERT (OptionsOpCodeHandle != NULL);\r
+ ASSERT ((QuestionFlags & (~(EFI_IFR_FLAG_READ_ONLY | EFI_IFR_FLAG_CALLBACK | EFI_IFR_FLAG_RESET_REQUIRED | EFI_IFR_FLAG_OPTIONS_ONLY))) == 0);\r
+\r
+ ZeroMem (&OpCode, sizeof (OpCode));\r
+ OpCode.Question.Header.Prompt = Prompt;\r
+ OpCode.Question.Header.Help = Help;\r
+ OpCode.Question.QuestionId = QuestionId;\r
+ OpCode.Question.VarStoreId = VarStoreId;\r
+ OpCode.Question.VarStoreInfo.VarOffset = VarOffset;\r
+ OpCode.Question.Flags = QuestionFlags;\r
+ OpCode.Flags = OneOfFlags;\r
+\r
+ Position = InternalHiiOpCodeHandlePosition (OpCodeHandle);\r
+ InternalHiiCreateOpCodeExtended (OpCodeHandle, &OpCode, EFI_IFR_ONE_OF_OP, sizeof (OpCode), 0, 1);\r
+ InternalHiiAppendOpCodes (OpCodeHandle, OptionsOpCodeHandle);\r
+ if (DefaultsOpCodeHandle != NULL) {\r
+ InternalHiiAppendOpCodes (OpCodeHandle, DefaultsOpCodeHandle);\r
+ }\r
+ HiiCreateEndOpCode (OpCodeHandle);\r
+ return InternalHiiOpCodeHandleBuffer (OpCodeHandle) + Position;\r
+}\r
+\r
+/**\r
+ Create EFI_IFR_ORDERED_LIST_OP opcode.\r
+\r
+ If OpCodeHandle is NULL, then ASSERT().\r
+ If any reserved bits are set in QuestionFlags, then ASSERT().\r
+ If any reserved bits are set in OrderedListFlags, then ASSERT().\r
+\r
+ @param[in] OpCodeHandle Handle to the buffer of opcodes.\r
+ @param[in] QuestionId Question ID\r
+ @param[in] VarStoreId Storage ID\r
+ @param[in] VarOffset Offset in Storage\r
+ @param[in] Prompt String ID for Prompt\r
+ @param[in] Help String ID for Help\r
+ @param[in] QuestionFlags Flags in Question Header\r
+ @param[in] OrderedListFlags Flags for ordered list opcode\r
+ @param[in] DataType Type for option value\r
+ @param[in] MaxContainers Maximum count for options in this ordered list\r
+ @param[in] OptionsOpCodeHandle Handle for a buffer of ONE_OF_OPTION opcodes.\r
+ @param[in] DefaultsOpCodeHandle Handle for a buffer of DEFAULT opcodes. This\r
+ is an optional parameter that may be NULL.\r
+\r
+ @retval NULL There is not enough space left in Buffer to add the opcode.\r
+ @retval Other A pointer to the created opcode.\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+HiiCreateOrderedListOpCode (\r
+ IN VOID *OpCodeHandle,\r
+ IN EFI_QUESTION_ID QuestionId,\r
+ IN EFI_VARSTORE_ID VarStoreId,\r
+ IN UINT16 VarOffset,\r
+ IN EFI_STRING_ID Prompt,\r
+ IN EFI_STRING_ID Help,\r
+ IN UINT8 QuestionFlags,\r
+ IN UINT8 OrderedListFlags,\r
+ IN UINT8 DataType,\r
+ IN UINT8 MaxContainers,\r
+ IN VOID *OptionsOpCodeHandle,\r
+ IN VOID *DefaultsOpCodeHandle OPTIONAL\r
+ )\r
+{\r
+ EFI_IFR_ORDERED_LIST OpCode;\r
+ UINTN Position;\r
+\r
+ ASSERT (OptionsOpCodeHandle != NULL);\r
+ ASSERT ((QuestionFlags & (~(EFI_IFR_FLAG_READ_ONLY | EFI_IFR_FLAG_CALLBACK | EFI_IFR_FLAG_RESET_REQUIRED | EFI_IFR_FLAG_OPTIONS_ONLY))) == 0);\r
+\r
+ ZeroMem (&OpCode, sizeof (OpCode));\r
+ OpCode.Question.Header.Prompt = Prompt;\r
+ OpCode.Question.Header.Help = Help;\r
+ OpCode.Question.QuestionId = QuestionId;\r
+ OpCode.Question.VarStoreId = VarStoreId;\r
+ OpCode.Question.VarStoreInfo.VarOffset = VarOffset;\r
+ OpCode.Question.Flags = QuestionFlags;\r
+ OpCode.MaxContainers = MaxContainers;\r
+ OpCode.Flags = OrderedListFlags;\r
+\r
+ Position = InternalHiiOpCodeHandlePosition (OpCodeHandle);\r
+ InternalHiiCreateOpCodeExtended (OpCodeHandle, &OpCode, EFI_IFR_ORDERED_LIST_OP, sizeof (OpCode), 0, 1);\r
+ InternalHiiAppendOpCodes (OpCodeHandle, OptionsOpCodeHandle);\r
+ if (DefaultsOpCodeHandle != NULL) {\r
+ InternalHiiAppendOpCodes (OpCodeHandle, DefaultsOpCodeHandle);\r
+ }\r
+ HiiCreateEndOpCode (OpCodeHandle);\r
+ return InternalHiiOpCodeHandleBuffer (OpCodeHandle) + Position;\r
+}\r
+\r
+/**\r
+ This is the internal worker function to update the data in\r
+ a form specified by FormSetGuid, FormId and Label.\r
+\r
+ @param FormSetGuid The optional Formset GUID.\r
+ @param FormId The Form ID.\r
+ @param Package The package header.\r
+\r
+ @param TempPacakge The resultant package.\r
+\r
+ @retval EFI_SUCCESS The function completes successfully.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+InternalHiiUpdateFormPackageData (\r
+ IN EFI_GUID *FormSetGuid, OPTIONAL\r
+ IN EFI_FORM_ID FormId,\r
+ IN EFI_HII_PACKAGE_HEADER *Package,\r
+ IN HII_LIB_OPCODE_BUFFER *OpCodeBufferStart,\r
+ IN HII_LIB_OPCODE_BUFFER *OpCodeBufferEnd, OPTIONAL\r
+ OUT EFI_HII_PACKAGE_HEADER *TempPackage\r
+ )\r
+{\r
+ UINTN AddSize;\r
+ UINT8 *BufferPos;\r
+ EFI_HII_PACKAGE_HEADER PackageHeader;\r
+ UINTN Offset;\r
+ EFI_IFR_OP_HEADER *IfrOpHdr;\r
+ EFI_IFR_OP_HEADER *UpdateIfrOpHdr;\r
+ BOOLEAN GetFormSet;\r
+ BOOLEAN GetForm;\r
+ BOOLEAN Updated;\r
+ EFI_IFR_OP_HEADER *AddOpCode;\r
+ UINT32 UpdatePackageLength;\r
+\r
+ CopyMem (TempPackage, Package, sizeof (EFI_HII_PACKAGE_HEADER));\r
+ UpdatePackageLength = sizeof (EFI_HII_PACKAGE_HEADER);\r
+ BufferPos = (UINT8 *) (TempPackage + 1);\r
+\r
+ CopyMem (&PackageHeader, Package, sizeof (EFI_HII_PACKAGE_HEADER));\r
+ IfrOpHdr = (EFI_IFR_OP_HEADER *)((UINT8 *) Package + sizeof (EFI_HII_PACKAGE_HEADER));\r
+ Offset = sizeof (EFI_HII_PACKAGE_HEADER);\r
+ GetFormSet = (BOOLEAN) ((FormSetGuid == NULL) ? TRUE : FALSE);\r
+ GetForm = FALSE;\r
+ Updated = FALSE;\r
+\r
+ while (Offset < PackageHeader.Length) {\r
+ CopyMem (BufferPos, IfrOpHdr, IfrOpHdr->Length);\r
+ BufferPos += IfrOpHdr->Length;\r
+ UpdatePackageLength += IfrOpHdr->Length;\r
+ \r
+ //\r
+ // Find the matched FormSet and Form\r
+ //\r
+ if ((IfrOpHdr->OpCode == EFI_IFR_FORM_SET_OP) && (FormSetGuid != NULL)) {\r
+ if (CompareGuid((GUID *)(VOID *)&((EFI_IFR_FORM_SET *) IfrOpHdr)->Guid, FormSetGuid)) {\r
+ GetFormSet = TRUE;\r
+ } else {\r
+ GetFormSet = FALSE;\r
+ }\r
+ } else if (IfrOpHdr->OpCode == EFI_IFR_FORM_OP) {\r
+ if (CompareMem (&((EFI_IFR_FORM *) IfrOpHdr)->FormId, &FormId, sizeof (EFI_FORM_ID)) == 0) {\r
+ GetForm = TRUE;\r
+ } else {\r
+ GetForm = FALSE;\r
+ }\r
+ }\r
+ \r
+ //\r
+ // The matched Form is found, and Update data in this form\r
+ //\r
+ if (GetFormSet && GetForm && !Updated) {\r
+ UpdateIfrOpHdr = (EFI_IFR_OP_HEADER *) OpCodeBufferStart->Buffer;\r
+ if ((UpdateIfrOpHdr->Length == IfrOpHdr->Length) && \\r
+ (CompareMem (IfrOpHdr, UpdateIfrOpHdr, UpdateIfrOpHdr->Length) == 0)) {\r
+ //\r
+ // Remove the original data when End OpCode buffer exist.\r
+ //\r
+ if (OpCodeBufferEnd != NULL) {\r
+ Offset += IfrOpHdr->Length;\r
+ IfrOpHdr = (EFI_IFR_OP_HEADER *) ((UINT8 *) (IfrOpHdr) + IfrOpHdr->Length);\r
+ UpdateIfrOpHdr = (EFI_IFR_OP_HEADER *) OpCodeBufferEnd->Buffer;\r
+ while (Offset < PackageHeader.Length) {\r
+ //\r
+ // Search the matched end opcode\r
+ //\r
+ if ((UpdateIfrOpHdr->Length == IfrOpHdr->Length) && \\r
+ (CompareMem (IfrOpHdr, UpdateIfrOpHdr, UpdateIfrOpHdr->Length) == 0)) {\r
+ //\r
+ // Keep the End opcode flag\r
+ //\r
+ CopyMem (BufferPos, IfrOpHdr, IfrOpHdr->Length);\r
+ BufferPos += IfrOpHdr->Length;\r
+ UpdatePackageLength += IfrOpHdr->Length;\r
+ break;\r
+ }\r
+ //\r
+ // Go to the next Op-Code\r
+ //\r
+ Offset += IfrOpHdr->Length;\r
+ IfrOpHdr = (EFI_IFR_OP_HEADER *) ((UINT8 *) (IfrOpHdr) + IfrOpHdr->Length);\r
+ }\r
+ \r
+ if (Offset >= PackageHeader.Length) {\r
+ //\r
+ // The end opcode is not found.\r
+ //\r
+ return EFI_NOT_FOUND;\r
+ }\r
+ }\r
+ //\r
+ // Insert the updated data\r
+ //\r
+ UpdateIfrOpHdr = (EFI_IFR_OP_HEADER *) OpCodeBufferStart->Buffer;\r
+ AddOpCode = (EFI_IFR_OP_HEADER *) (OpCodeBufferStart->Buffer + UpdateIfrOpHdr->Length);\r
+ AddSize = UpdateIfrOpHdr->Length;\r
+ while (AddSize < OpCodeBufferStart->Position) {\r
+ CopyMem (BufferPos, AddOpCode, AddOpCode->Length);\r
+ BufferPos += AddOpCode->Length;\r
+ UpdatePackageLength += AddOpCode->Length;\r
+\r
+ AddOpCode = (EFI_IFR_OP_HEADER *) ((UINT8 *) (AddOpCode) + AddOpCode->Length);\r
+ AddSize += AddOpCode->Length; \r
+ }\r
+ //\r
+ // Set update flag\r
+ //\r
+ Updated = TRUE;\r
+ }\r
+ }\r
+\r
+ //\r
+ // Go to the next Op-Code\r
+ //\r
+ Offset += IfrOpHdr->Length;\r
+ IfrOpHdr = (EFI_IFR_OP_HEADER *) ((CHAR8 *) (IfrOpHdr) + IfrOpHdr->Length);\r
+ }\r
+ \r
+ if (!Updated) {\r
+ //\r
+ // The updated opcode buffer is not found.\r
+ //\r
+ return EFI_NOT_FOUND;\r
+ }\r
+ //\r
+ // Update the package length.\r
+ //\r
+ PackageHeader.Length = UpdatePackageLength;\r
+ CopyMem (TempPackage, &PackageHeader, sizeof (EFI_HII_PACKAGE_HEADER));\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+ This function updates a form that has previously been registered with the HII \r
+ Database. This function will perform at most one update operation.\r
+ \r
+ The form to update is specified by Handle, FormSetGuid, and FormId. Binary \r
+ comparisons of IFR opcodes are performed from the beginning of the form being \r
+ updated until an IFR opcode is found that exactly matches the first IFR opcode \r
+ specifed by StartOpCodeHandle. The following rules are used to determine if\r
+ an insert, replace, or delete operation is performed.\r
+ \r
+ 1) If no matches are found, then NULL is returned. \r
+ 2) If a match is found, and EndOpCodeHandle is NULL, then all of the IFR opcodes\r
+ from StartOpcodeHandle except the first opcode are inserted immediately after \r
+ the matching IFR opcode in the form beng updated.\r
+ 3) If a match is found, and EndOpCodeHandle is not NULL, then a search is made \r
+ from the matching IFR opcode until an IFR opcode exatly matches the first \r
+ IFR opcode specified by EndOpCodeHandle. If no match is found for the first\r
+ IFR opcode specified by EndOpCodeHandle, then NULL is returned. If a match\r
+ is found, then all of the IFR opcodes between the start match and the end \r
+ match are deleted from the form being updated and all of the IFR opcodes\r
+ from StartOpcodeHandle except the first opcode are inserted immediately after \r
+ the matching start IFR opcode. If StartOpCcodeHandle only contains one\r
+ IFR instruction, then the result of ths operation will delete all of the IFR\r
+ opcodes between the start end matches.\r
+\r
+ If HiiHandle is NULL, then ASSERT().\r
+ If StartOpCodeHandle is NULL, then ASSERT().\r
+\r
+ @param[in] HiiHandle The HII Handle of the form to update.\r
+ @param[in] FormSetGuid The Formset GUID of the form to update. This\r
+ is an optional parameter that may be NULL.\r
+ If it is NULL, all FormSet will be updated.\r
+ @param[in] FormId The ID of the form to update.\r
+ @param[in] StartOpCodeHandle An OpCode Handle that contains the set of IFR \r
+ opcodes to be inserted or replaced in the form.\r
+ The first IFR instruction in StartOpCodeHandle \r
+ is used to find matching IFR opcode in the \r
+ form. \r
+ @param[in] EndOpCodeHandle An OpCcode Handle that contains the IFR opcode\r
+ that marks the end of a replace operation in\r
+ the form. This is an optional parameter that\r
+ may be NULL. If it is NULL, then an the IFR\r
+ opcodes specified by StartOpCodeHandle are \r
+ inserted into the form.\r
+ \r
+ @retval EFI_OUT_OF_RESOURCES No enough memory resource is allocated.\r
+ @retval EFI_NOT_FOUND The following cases will return EFI_NOT_FOUND.\r
+ 1) The form specified by HiiHandle, FormSetGuid, \r
+ and FormId could not be found in the HII Database.\r
+ 2) No IFR opcodes in the target form match the first\r
+ IFR opcode in StartOpCodeHandle.\r
+ 3) EndOpCOde is not NULL, and no IFR opcodes in the \r
+ target form following a matching start opcode match \r
+ the first IFR opcode in EndOpCodeHandle.\r
+ @retval EFI_SUCCESS The matched form is updated by StartOpcode.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+HiiUpdateForm (\r
+ IN EFI_HII_HANDLE HiiHandle, \r
+ IN EFI_GUID *FormSetGuid, OPTIONAL\r
+ IN EFI_FORM_ID FormId,\r
+ IN VOID *StartOpcodeHandle,\r
+ IN VOID *EndOpcodeHandle OPTIONAL\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_HII_PACKAGE_LIST_HEADER *HiiPackageList;\r
+ UINT32 PackageListLength; \r
+ UINT32 Offset;\r
+ EFI_HII_PACKAGE_LIST_HEADER *UpdatePackageList;\r
+ UINTN BufferSize;\r
+ UINT8 *UpdateBufferPos;\r
+ EFI_HII_PACKAGE_HEADER *Package;\r
+ EFI_HII_PACKAGE_HEADER *TempPacakge;\r
+ EFI_HII_PACKAGE_HEADER PackageHeader;\r
+ BOOLEAN Updated;\r
+ HII_LIB_OPCODE_BUFFER *OpCodeBufferStart;\r
+ HII_LIB_OPCODE_BUFFER *OpCodeBufferEnd;\r
+ \r
+ //\r
+ // Input update data can't be NULL.\r
+ //\r
+ ASSERT (HiiHandle != NULL);\r
+ ASSERT (StartOpcodeHandle != NULL);\r
+ UpdatePackageList = NULL;\r
+ TempPacakge = NULL;\r
+ HiiPackageList = NULL;\r
+ \r
+ //\r
+ // Restrive buffer data from Opcode Handle\r
+ //\r
+ OpCodeBufferStart = (HII_LIB_OPCODE_BUFFER *) StartOpcodeHandle;\r
+ OpCodeBufferEnd = (HII_LIB_OPCODE_BUFFER *) EndOpcodeHandle;\r
+ \r
+ //\r
+ // Get the orginal package list\r
+ //\r
+ BufferSize = 0;\r
+ HiiPackageList = NULL;\r
+ Status = gHiiDatabase->ExportPackageLists (gHiiDatabase, HiiHandle, &BufferSize, HiiPackageList);\r
+ //\r
+ // The return status should always be EFI_BUFFER_TOO_SMALL as input buffer's size is 0.\r
+ //\r
+ if (Status != EFI_BUFFER_TOO_SMALL) {\r
+ return Status;\r
+ }\r
+\r
+ HiiPackageList = AllocatePool (BufferSize);\r
+ if (HiiPackageList == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Finish;\r
+ }\r
+\r
+ Status = gHiiDatabase->ExportPackageLists (gHiiDatabase, HiiHandle, &BufferSize, HiiPackageList);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Finish;\r
+ }\r
+\r
+ //\r
+ // Calculate and allocate space for retrieval of IFR data\r
+ //\r
+ BufferSize += OpCodeBufferStart->Position;\r
+ UpdatePackageList = AllocateZeroPool (BufferSize);\r
+ if (UpdatePackageList == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Finish;\r
+ }\r
+ \r
+ //\r
+ // Allocate temp buffer to store the temp updated package buffer\r
+ //\r
+ TempPacakge = AllocateZeroPool (BufferSize);\r
+ if (TempPacakge == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Finish;\r
+ }\r
+\r
+ UpdateBufferPos = (UINT8 *) UpdatePackageList;\r
+\r
+ //\r
+ // Copy the package list header\r
+ //\r
+ CopyMem (UpdateBufferPos, HiiPackageList, sizeof (EFI_HII_PACKAGE_LIST_HEADER));\r
+ UpdateBufferPos += sizeof (EFI_HII_PACKAGE_LIST_HEADER);\r
+ \r
+ //\r
+ // Go through each package to find the matched pacakge and update one by one\r
+ //\r
+ Updated = FALSE;\r
+ Offset = sizeof (EFI_HII_PACKAGE_LIST_HEADER);\r
+ PackageListLength = ReadUnaligned32 (&HiiPackageList->PackageLength);\r
+ while (Offset < PackageListLength) {\r
+ Package = (EFI_HII_PACKAGE_HEADER *) (((UINT8 *) HiiPackageList) + Offset);\r
+ CopyMem (&PackageHeader, Package, sizeof (EFI_HII_PACKAGE_HEADER));\r
+ Offset += Package->Length;\r
+\r
+ if (Package->Type == EFI_HII_PACKAGE_FORMS) {\r
+ //\r
+ // Check this package is the matched package.\r
+ //\r
+ Status = InternalHiiUpdateFormPackageData (FormSetGuid, FormId, Package, OpCodeBufferStart, OpCodeBufferEnd, TempPacakge);\r
+ //\r
+ // The matched package is found. Its pacakge buffer will be updated by the input new data.\r
+ //\r
+ if (!EFI_ERROR(Status)) {\r
+ //\r
+ // Set Update Flag\r
+ // \r
+ Updated = TRUE;\r
+ //\r
+ // Add updated package buffer\r
+ //\r
+ Package = TempPacakge;\r
+ }\r
+ }\r
+\r
+ //\r
+ // Add pacakge buffer\r
+ //\r
+ CopyMem (&PackageHeader, Package, sizeof (EFI_HII_PACKAGE_HEADER));\r
+ CopyMem (UpdateBufferPos, Package, PackageHeader.Length);\r
+ UpdateBufferPos += PackageHeader.Length;\r
+ }\r
+ \r
+ if (Updated) {\r
+ //\r
+ // Update package list length\r
+ //\r
+ BufferSize = UpdateBufferPos - (UINT8 *) UpdatePackageList;\r
+ WriteUnaligned32 (&UpdatePackageList->PackageLength, (UINT32) BufferSize);\r
+ \r
+ //\r
+ // Update Pacakge to show form\r
+ //\r
+ Status = gHiiDatabase->UpdatePackageList (gHiiDatabase, HiiHandle, UpdatePackageList);\r
+ } else {\r
+ //\r
+ // Not matched form is found and updated.\r
+ //\r
+ Status = EFI_NOT_FOUND;\r
+ }\r
+\r
+Finish:\r
+ if (HiiPackageList != NULL) {\r
+ FreePool (HiiPackageList);\r
+ }\r
+ \r
+ if (UpdatePackageList != NULL) {\r
+ FreePool (UpdatePackageList);\r
+ }\r
+ \r
+ if (TempPacakge != NULL) {\r
+ FreePool (TempPacakge);\r
+ }\r
+\r
+ return Status; \r
+}\r
projects / mirror_edk2.git / commitdiff