+++ /dev/null
-/**@file\r
-\r
- This file contains the keyboard processing code to the HII database.\r
-\r
-Copyright (c) 2006, Intel Corporation\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
-\r
-#include "HiiDatabase.h"\r
-\r
-EFI_STATUS\r
-GetPackSize (\r
- IN VOID *Pack,\r
- OUT UINTN *PackSize,\r
- OUT UINT32 *NumberOfTokens\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- Determines the passed in Pack's size and returns the value.\r
-\r
-Arguments:\r
-\r
-Returns:\r
-\r
---*/\r
-{\r
- EFI_HII_STRING_PACK *StringPack;\r
- UINT16 Type;\r
- UINT32 Length;\r
-\r
- *PackSize = 0;\r
-\r
- Type = EFI_HII_IFR;\r
- if (!CompareMem (&((EFI_HII_PACK_HEADER *) Pack)->Type, &Type, sizeof (UINT16))) {\r
- //\r
- // The header contains the full IFR length\r
- //\r
- CopyMem (&Length, &((EFI_HII_PACK_HEADER *) Pack)->Length, sizeof (Length));\r
- *PackSize = (UINTN) Length;\r
- return EFI_SUCCESS;\r
- }\r
-\r
- Type = EFI_HII_STRING;\r
- if (!CompareMem (&((EFI_HII_PACK_HEADER *) Pack)->Type, &Type, sizeof (UINT16))) {\r
- //\r
- // The header contains the STRING package length\r
- // The assumption is that the strings for all languages\r
- // are a contiguous block of data and there is a series of\r
- // these package instances which will terminate with a NULL package\r
- // instance.\r
- //\r
- StringPack = (EFI_HII_STRING_PACK *) Pack;\r
-\r
- //\r
- // There may be multiple instances packed together of strings\r
- // so we must walk the self describing structures until we encounter\r
- // the NULL structure to determine the full size.\r
- //\r
- CopyMem (&Length, &StringPack->Header.Length, sizeof (Length));\r
- if (NumberOfTokens != NULL) {\r
- CopyMem (NumberOfTokens, &StringPack->NumStringPointers, sizeof (UINT32));\r
- }\r
-\r
- while (Length != 0) {\r
- *PackSize = *PackSize + Length;\r
- StringPack = (EFI_HII_STRING_PACK *) ((CHAR8 *) StringPack + Length);\r
- CopyMem (&Length, &StringPack->Header.Length, sizeof (Length));\r
- }\r
- //\r
- // Encountered a length of 0, so let's add the space for the NULL terminator\r
- // pack's length and call it done.\r
- //\r
- *PackSize = *PackSize + sizeof (EFI_HII_STRING_PACK);\r
- return EFI_SUCCESS;\r
- }\r
- //\r
- // We only determine the size of the non-global Package types.\r
- // If neither IFR or STRING data were found, return an error\r
- //\r
- return EFI_NOT_FOUND;\r
-}\r
-\r
-EFI_STATUS\r
-ValidatePack (\r
- IN EFI_HII_PROTOCOL *This,\r
- IN EFI_HII_PACKAGE_INSTANCE *PackageInstance,\r
- OUT EFI_HII_PACKAGE_INSTANCE **StringPackageInstance,\r
- OUT UINT32 *TotalStringCount\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- Verifies that the package instance is using the correct handle for string operations.\r
-\r
-Arguments:\r
-\r
-Returns:\r
-\r
---*/\r
-{\r
- EFI_HII_DATA *HiiData;\r
- EFI_HII_HANDLE_DATABASE *HandleDatabase;\r
- EFI_HII_PACKAGE_INSTANCE *HandlePackageInstance;\r
- UINT8 *RawData;\r
- EFI_GUID Guid;\r
- EFI_HII_IFR_PACK *FormPack;\r
- UINTN Index;\r
-\r
- if (This == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- HiiData = EFI_HII_DATA_FROM_THIS (This);\r
-\r
- HandleDatabase = HiiData->DatabaseHead;\r
- ZeroMem (&Guid, sizeof (EFI_GUID));\r
-\r
- *StringPackageInstance = PackageInstance;\r
-\r
- //\r
- // Based on if there is IFR data in this package instance, determine\r
- // what the location is of the beginning of the string data.\r
- //\r
- if (PackageInstance->IfrSize > 0) {\r
- FormPack = (EFI_HII_IFR_PACK *) ((CHAR8 *) (&PackageInstance->IfrData) + sizeof (EFI_HII_PACK_HEADER));\r
- } else {\r
- //\r
- // If there is no IFR data assume the caller knows what they are doing.\r
- //\r
- return EFI_SUCCESS;\r
- }\r
-\r
- RawData = (UINT8 *) FormPack;\r
-\r
- for (Index = 0; RawData[Index] != FRAMEWORK_EFI_IFR_END_FORM_SET_OP;) {\r
- if (RawData[Index] == FRAMEWORK_EFI_IFR_FORM_SET_OP) {\r
- //\r
- // Cache the guid for this formset\r
- //\r
- CopyMem (&Guid, &((FRAMEWORK_EFI_IFR_FORM_SET *) &RawData[Index])->Guid, sizeof (EFI_GUID));\r
- break;\r
- }\r
-\r
- Index = RawData[Index + 1] + Index;\r
- }\r
- //\r
- // If there is no string package, and the PackageInstance->IfrPack.Guid and PackageInstance->Guid are\r
- // different, we should return the correct handle for the caller to use for strings.\r
- //\r
- if ((PackageInstance->StringSize == 0) && (!CompareGuid (&Guid, &PackageInstance->Guid))) {\r
- //\r
- // Search the database for a handle that matches the PackageInstance->Guid\r
- //\r
- for (; HandleDatabase != NULL; HandleDatabase = HandleDatabase->NextHandleDatabase) {\r
- //\r
- // Get Ifrdata and extract the Guid for it\r
- //\r
- HandlePackageInstance = HandleDatabase->Buffer;\r
-\r
- ASSERT (HandlePackageInstance->IfrSize != 0);\r
-\r
- FormPack = (EFI_HII_IFR_PACK *) ((CHAR8 *) (&HandlePackageInstance->IfrData) + sizeof (EFI_HII_PACK_HEADER));\r
- RawData = (UINT8 *) FormPack;\r
-\r
- for (Index = 0; RawData[Index] != FRAMEWORK_EFI_IFR_END_FORM_SET_OP;) {\r
- if (RawData[Index] == FRAMEWORK_EFI_IFR_FORM_SET_OP) {\r
- //\r
- // Cache the guid for this formset\r
- //\r
- CopyMem (&Guid, &((FRAMEWORK_EFI_IFR_FORM_SET *) &RawData[Index])->Guid, sizeof (EFI_GUID));\r
- break;\r
- }\r
-\r
- Index = RawData[Index + 1] + Index;\r
- }\r
- //\r
- // If the Guid from the new handle matches the original Guid referenced in the original package data\r
- // return the appropriate package instance data to use.\r
- //\r
- if (CompareGuid (&Guid, &PackageInstance->Guid)) {\r
- if (TotalStringCount != NULL) {\r
- *TotalStringCount = HandleDatabase->NumberOfTokens;\r
- }\r
-\r
- *StringPackageInstance = HandlePackageInstance;\r
- }\r
- }\r
- //\r
- // end for\r
- //\r
- } else {\r
- return EFI_SUCCESS;\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-HiiNewPack (\r
- IN EFI_HII_PROTOCOL *This,\r
- IN EFI_HII_PACKAGES *Packages,\r
- OUT FRAMEWORK_EFI_HII_HANDLE *Handle\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- Extracts the various packs from a package list.\r
-\r
-Arguments:\r
-\r
- This - Pointer of HII protocol.\r
- Packages - Pointer of HII packages.\r
- Handle - Handle value to be returned.\r
-\r
-Returns:\r
-\r
- EFI_SUCCESS - Pacakges has added to HII database successfully.\r
- EFI_INVALID_PARAMETER - Invalid parameter.\r
-\r
---*/\r
-{\r
- EFI_HII_PACKAGE_INSTANCE *PackageInstance;\r
- EFI_HII_DATA *HiiData;\r
- EFI_HII_HANDLE_DATABASE *HandleDatabase;\r
- EFI_HII_HANDLE_DATABASE *Database;\r
- EFI_HII_PACK_HEADER *PackageHeader;\r
- EFI_HII_GLOBAL_DATA *GlobalData;\r
- EFI_HII_IFR_PACK *IfrPack;\r
- EFI_HII_STRING_PACK *StringPack;\r
- EFI_HII_FONT_PACK *FontPack;\r
- EFI_HII_KEYBOARD_PACK *KeyboardPack;\r
- EFI_STATUS Status;\r
- UINTN IfrSize;\r
- UINTN StringSize;\r
- UINTN TotalStringSize;\r
- UINTN InstanceSize;\r
- UINTN Count;\r
- UINTN Index;\r
- UINT16 Member;\r
- EFI_GUID Guid;\r
- EFI_FORM_SET_STUB FormSetStub;\r
- UINT8 *Location;\r
- UINT16 Unicode;\r
- UINT16 NumWideGlyphs;\r
- UINT16 NumNarrowGlyphs;\r
- UINT32 NumberOfTokens;\r
- UINT32 TotalTokenNumber;\r
- UINT8 *Local;\r
- EFI_NARROW_GLYPH *NarrowGlyph;\r
-\r
- if (Packages->NumberOfPackages == 0 || This == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- HiiData = EFI_HII_DATA_FROM_THIS (This);\r
-\r
- GlobalData = HiiData->GlobalData;\r
-\r
- Database = HiiData->DatabaseHead;\r
-\r
- PackageInstance = NULL;\r
- IfrPack = NULL;\r
- StringPack = NULL;\r
- InstanceSize = 0;\r
- IfrSize = 0;\r
- StringSize = 0;\r
- TotalStringSize = 0;\r
- NumberOfTokens = 0;\r
- TotalTokenNumber = 0;\r
-\r
- //\r
- // Search through the passed in Packages for the IfrPack and any StringPack.\r
- //\r
- for (Index = 0; Index < Packages->NumberOfPackages; Index++) {\r
-\r
- PackageHeader = *(EFI_HII_PACK_HEADER **) (((UINT8 *) Packages) + sizeof (EFI_HII_PACKAGES) + Index * sizeof (VOID *));\r
-\r
- switch (PackageHeader->Type) {\r
- case EFI_HII_IFR:\r
- //\r
- // There shoule be only one Ifr package.\r
- //\r
- ASSERT (IfrPack == NULL);\r
- IfrPack = (EFI_HII_IFR_PACK *) PackageHeader;\r
- break;\r
-\r
- case EFI_HII_STRING:\r
- StringPack = (EFI_HII_STRING_PACK *) PackageHeader;\r
- //\r
- // Sending me a String Package. Get its size.\r
- //\r
- Status = GetPackSize ((VOID *) StringPack, &StringSize, &NumberOfTokens);\r
- ASSERT (!EFI_ERROR (Status));\r
-\r
- //\r
- // The size which GetPackSize() returns include the null terminator. So if multiple\r
- // string packages are passed in, merge all these packages, and only pad one null terminator.\r
- //\r
- if (TotalStringSize > 0) {\r
- TotalStringSize -= sizeof (EFI_HII_STRING_PACK);\r
- }\r
-\r
- TotalStringSize += StringSize;\r
- TotalTokenNumber += NumberOfTokens;\r
- break;\r
- }\r
- }\r
- //\r
- // If sending a StringPack without an IfrPack, you must include a GuidId\r
- //\r
- if ((StringPack != NULL) && (IfrPack == NULL)) {\r
- if (Packages->GuidId == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
- }\r
- //\r
- // If passing in an IfrPack and a GuidId is provided, ensure they are the same value.\r
- //\r
- if ((IfrPack != NULL) && (Packages->GuidId != NULL)) {\r
- Location = ((UINT8 *) IfrPack);\r
- Location = (UINT8 *) (((UINTN) Location) + sizeof (EFI_HII_PACK_HEADER));\r
-\r
- //\r
- // Advance to the Form Set Op-code\r
- //\r
- for (Count = 0; ((FRAMEWORK_EFI_IFR_OP_HEADER *) &Location[Count])->OpCode != FRAMEWORK_EFI_IFR_FORM_SET_OP;) {\r
- Count = Count + ((FRAMEWORK_EFI_IFR_OP_HEADER *) &Location[Count])->Length;\r
- }\r
- //\r
- // Copy to local variable\r
- //\r
- CopyMem (&Guid, &((FRAMEWORK_EFI_IFR_FORM_SET *) &Location[Count])->Guid, sizeof (EFI_GUID));\r
-\r
- //\r
- // Check to see if IfrPack->Guid != GuidId\r
- //\r
- if (!CompareGuid (&Guid, Packages->GuidId)) {\r
- //\r
- // If a string package is present, the GUIDs should have agreed. Return an error\r
- //\r
- if (StringPack != NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
- }\r
- }\r
- //\r
- // If someone is passing in a string only, create a dummy IfrPack with a Guid\r
- // to enable future searching of this data.\r
- //\r
- if ((IfrPack == NULL) && (StringPack != NULL)) {\r
- ZeroMem (&FormSetStub, sizeof (FormSetStub));\r
-\r
- FormSetStub.Header.Type = EFI_HII_IFR;\r
- FormSetStub.Header.Length = sizeof (EFI_FORM_SET_STUB);\r
-\r
- FormSetStub.FormSet.Header.OpCode = FRAMEWORK_EFI_IFR_FORM_SET_OP;\r
- FormSetStub.FormSet.Header.Length = (UINT8) sizeof (FRAMEWORK_EFI_IFR_FORM_SET);\r
- //\r
- // Dummy string\r
- //\r
- FormSetStub.FormSet.FormSetTitle = 0x02;\r
- CopyMem (&FormSetStub.FormSet.Guid, Packages->GuidId, sizeof (EFI_GUID));\r
-\r
- FormSetStub.EndFormSet.Header.OpCode = FRAMEWORK_EFI_IFR_END_FORM_SET_OP;\r
- FormSetStub.EndFormSet.Header.Length = (UINT8) sizeof (FRAMEWORK_EFI_IFR_END_FORM_SET);\r
- IfrPack = (EFI_HII_IFR_PACK *) &FormSetStub;\r
- }\r
-\r
- if (IfrPack != NULL) {\r
- //\r
- // Sending me an IFR Package. Get its size.\r
- //\r
- Status = GetPackSize ((VOID *) IfrPack, &IfrSize, NULL);\r
- ASSERT (!EFI_ERROR (Status));\r
- }\r
- //\r
- // Prepare the internal package instace buffer to store package data.\r
- //\r
- InstanceSize = IfrSize + TotalStringSize;\r
-\r
- if (InstanceSize != 0) {\r
- PackageInstance = AllocateZeroPool (InstanceSize + sizeof (EFI_HII_PACKAGE_INSTANCE));\r
-\r
- ASSERT (PackageInstance);\r
-\r
- //\r
- // If there is no DatabaseHead allocated - allocate one\r
- //\r
- if (HiiData->DatabaseHead == NULL) {\r
- HiiData->DatabaseHead = AllocateZeroPool (sizeof (EFI_HII_HANDLE_DATABASE));\r
- ASSERT (HiiData->DatabaseHead);\r
- }\r
- //\r
- // If the head is being used (Handle is non-zero), allocate next Database and\r
- // add it to the linked-list\r
- //\r
- if (HiiData->DatabaseHead->Handle != 0) {\r
- HandleDatabase = AllocateZeroPool (sizeof (EFI_HII_HANDLE_DATABASE));\r
-\r
- ASSERT (HandleDatabase);\r
-\r
- for (; Database->NextHandleDatabase != NULL; Database = Database->NextHandleDatabase)\r
- ;\r
-\r
- //\r
- // We are sitting on the Database entry which contains the null Next pointer. Fix it.\r
- //\r
- Database->NextHandleDatabase = HandleDatabase;\r
-\r
- }\r
-\r
- Database = HiiData->DatabaseHead;\r
-\r
- //\r
- // Initialize this instance data\r
- //\r
- for (*Handle = 1; Database->NextHandleDatabase != NULL; Database = Database->NextHandleDatabase) {\r
- //\r
- // Since the first Database instance will have a passed back handle of 1, we will continue\r
- // down the linked list of entries until we encounter the end of the linked list. Each time\r
- // we go down one level deeper, increment the handle value that will be passed back.\r
- //\r
- if (Database->Handle >= *Handle) {\r
- *Handle = (FRAMEWORK_EFI_HII_HANDLE ) (Database->Handle + 1);\r
- }\r
- }\r
-\r
- PackageInstance->Handle = *Handle;\r
- PackageInstance->IfrSize = IfrSize;\r
- PackageInstance->StringSize = TotalStringSize;\r
- if (Packages->GuidId != NULL) {\r
- CopyMem (&PackageInstance->Guid, Packages->GuidId, sizeof (EFI_GUID));\r
- }\r
-\r
- Database->Buffer = PackageInstance;\r
- Database->Handle = PackageInstance->Handle;\r
- Database->NumberOfTokens = TotalTokenNumber;\r
- Database->NextHandleDatabase = NULL;\r
- }\r
- //\r
- // Copy the Ifr package data into package instance.\r
- //\r
- if (IfrSize > 0) {\r
- CopyMem (&PackageInstance->IfrData, IfrPack, IfrSize);\r
- }\r
- //\r
- // Main loop to store package data into HII database.\r
- //\r
- StringSize = 0;\r
- TotalStringSize = 0;\r
-\r
- for (Index = 0; Index < Packages->NumberOfPackages; Index++) {\r
-\r
- PackageHeader = *(EFI_HII_PACK_HEADER **) (((UINT8 *) Packages) + sizeof (EFI_HII_PACKAGES) + Index * sizeof (VOID *));\r
-\r
- switch (PackageHeader->Type) {\r
- case EFI_HII_STRING:\r
- StringPack = (EFI_HII_STRING_PACK *) PackageHeader;\r
- //\r
- // The size which GetPackSize() returns include the null terminator. So if multiple\r
- // string packages are passed in, merge all these packages, and only pad one null terminator.\r
- //\r
- if (TotalStringSize > 0) {\r
- TotalStringSize -= sizeof (EFI_HII_STRING_PACK);\r
- }\r
-\r
- GetPackSize ((VOID *) StringPack, &StringSize, &NumberOfTokens);\r
- CopyMem ((CHAR8 *) (&PackageInstance->IfrData) + IfrSize + TotalStringSize, StringPack, StringSize);\r
-\r
- TotalStringSize += StringSize;\r
- break;\r
-\r
- case EFI_HII_HANDLES:\r
- CopyMem (&PackageInstance->HandlePack, PackageHeader, sizeof (EFI_HII_HANDLE_PACK));\r
- break;\r
-\r
- case EFI_HII_FONT:\r
- FontPack = (EFI_HII_FONT_PACK *) PackageHeader;\r
- //\r
- // Add whatever narrow glyphs were passed to us if undefined\r
- //\r
- CopyMem (&NumNarrowGlyphs, &FontPack->NumberOfNarrowGlyphs, sizeof (UINT16));\r
- for (Count = 0; Count <= NumNarrowGlyphs; Count++) {\r
- Local = (UINT8 *) (&FontPack->NumberOfWideGlyphs + sizeof (UINT8)) + (sizeof (EFI_NARROW_GLYPH)) * Count;\r
- NarrowGlyph = (EFI_NARROW_GLYPH *) Local;\r
- CopyMem (&Member, &NarrowGlyph->UnicodeWeight, sizeof (UINT16));\r
- //\r
- // If the glyph is already defined, do not overwrite it. It is what it is.\r
- //\r
- CopyMem (&Unicode, &GlobalData->NarrowGlyphs[Member].UnicodeWeight, sizeof (UINT16));\r
- if (Unicode == 0) {\r
- CopyMem (&GlobalData->NarrowGlyphs[Member], Local, sizeof (EFI_NARROW_GLYPH));\r
- }\r
- }\r
- //\r
- // Add whatever wide glyphs were passed to us if undefined\r
- //\r
- CopyMem (&NumWideGlyphs, &FontPack->NumberOfWideGlyphs, sizeof (UINT16));\r
- for (Count = 0; Count <= NumWideGlyphs; Count++) {\r
- Local = (UINT8 *) (&FontPack->NumberOfWideGlyphs + sizeof (UINT8)) +\r
- (sizeof (EFI_NARROW_GLYPH)) *\r
- NumNarrowGlyphs;\r
- CopyMem (\r
- &Member,\r
- (UINTN *) (Local + sizeof (EFI_WIDE_GLYPH) * Count),\r
- sizeof (UINT16)\r
- );\r
- //\r
- // If the glyph is already defined, do not overwrite it. It is what it is.\r
- //\r
- CopyMem (&Unicode, &GlobalData->WideGlyphs[Member].UnicodeWeight, sizeof (UINT16));\r
- if (Unicode == 0) {\r
- Local = (UINT8*)(&FontPack->NumberOfWideGlyphs + sizeof(UINT8)) + (sizeof(EFI_NARROW_GLYPH)) * NumNarrowGlyphs;\r
- CopyMem (\r
- &GlobalData->WideGlyphs[Member],\r
- (UINTN *) (Local + sizeof (EFI_WIDE_GLYPH) * Count),\r
- sizeof (EFI_WIDE_GLYPH)\r
- );\r
- }\r
- }\r
- break;\r
-\r
- case EFI_HII_KEYBOARD:\r
- KeyboardPack = (EFI_HII_KEYBOARD_PACK *) PackageHeader;\r
- //\r
- // Sending me a Keyboard Package\r
- //\r
- if (KeyboardPack->DescriptorCount > 105) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
- //\r
- // If someone updates the Descriptors with a count of 0, blow aware the overrides.\r
- //\r
- if (KeyboardPack->DescriptorCount == 0) {\r
- ZeroMem (GlobalData->OverrideKeyboardLayout, sizeof (FRAMEWORK_EFI_KEY_DESCRIPTOR) * 106);\r
- }\r
-\r
- if (KeyboardPack->DescriptorCount < 106 && KeyboardPack->DescriptorCount > 0) {\r
- //\r
- // If SystemKeyboard was updated already, then steer changes to the override database\r
- //\r
- if (GlobalData->SystemKeyboardUpdate) {\r
- ZeroMem (GlobalData->OverrideKeyboardLayout, sizeof (FRAMEWORK_EFI_KEY_DESCRIPTOR) * 106);\r
- for (Count = 0; Count < KeyboardPack->DescriptorCount; Count++) {\r
- CopyMem (&Member, &KeyboardPack->Descriptor[Count].Key, sizeof (UINT16));\r
- CopyMem (\r
- &GlobalData->OverrideKeyboardLayout[Member],\r
- &KeyboardPack->Descriptor[Count],\r
- sizeof (FRAMEWORK_EFI_KEY_DESCRIPTOR)\r
- );\r
- }\r
- } else {\r
- //\r
- // SystemKeyboard was never updated, so this is likely the keyboard driver setting the System database.\r
- //\r
- ZeroMem (GlobalData->SystemKeyboardLayout, sizeof (FRAMEWORK_EFI_KEY_DESCRIPTOR) * 106);\r
- for (Count = 0; Count < KeyboardPack->DescriptorCount; Count++) {\r
- CopyMem (&Member, &KeyboardPack->Descriptor->Key, sizeof (UINT16));\r
- CopyMem (\r
- &GlobalData->SystemKeyboardLayout[Member],\r
- &KeyboardPack->Descriptor[Count],\r
- sizeof (FRAMEWORK_EFI_KEY_DESCRIPTOR)\r
- );\r
- }\r
- //\r
- // Just updated the system keyboard database, reflect that in the global flag.\r
- //\r
- GlobalData->SystemKeyboardUpdate = TRUE;\r
- }\r
- }\r
- break;\r
-\r
- default:\r
- break;\r
- }\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-HiiRemovePack (\r
- IN EFI_HII_PROTOCOL *This,\r
- IN FRAMEWORK_EFI_HII_HANDLE Handle\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- Removes the various packs from a Handle\r
-\r
-Arguments:\r
-\r
-Returns:\r
-\r
---*/\r
-{\r
- EFI_HII_PACKAGE_INSTANCE *PackageInstance;\r
- EFI_HII_DATA *HiiData;\r
- EFI_HII_HANDLE_DATABASE *HandleDatabase;\r
- EFI_HII_HANDLE_DATABASE *PreviousHandleDatabase;\r
-\r
- if (This == NULL || Handle == 0) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- HiiData = EFI_HII_DATA_FROM_THIS (This);\r
-\r
- HandleDatabase = HiiData->DatabaseHead;\r
- PackageInstance = NULL;\r
-\r
- //\r
- // Initialize the Previous with the Head of the Database\r
- //\r
- PreviousHandleDatabase = HandleDatabase;\r
-\r
- for (; HandleDatabase != NULL; HandleDatabase = HandleDatabase->NextHandleDatabase) {\r
- //\r
- // Match the numeric value with the database entry - if matched,\r
- // free the package instance and apply fix-up to database linked list\r
- //\r
- if (Handle == HandleDatabase->Handle) {\r
- PackageInstance = HandleDatabase->Buffer;\r
-\r
- //\r
- // Free the Package Instance\r
- //\r
- FreePool (PackageInstance);\r
-\r
- //\r
- // If this was the only Handle in the database\r
- //\r
- if (HiiData->DatabaseHead == HandleDatabase) {\r
- HiiData->DatabaseHead = NULL;\r
- }\r
- //\r
- // Make the parent->Next point to the current->Next\r
- //\r
- PreviousHandleDatabase->NextHandleDatabase = HandleDatabase->NextHandleDatabase;\r
- FreePool (HandleDatabase);\r
- return EFI_SUCCESS;\r
- }\r
- //\r
- // If this was not the HandleDatabase entry we were looking for, cache it just in case the next one is\r
- //\r
- PreviousHandleDatabase = HandleDatabase;\r
- }\r
- //\r
- // No handle was found - error condition\r
- //\r
- if (PackageInstance == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
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