diff options
Diffstat (limited to 'EdkModulePkg/Universal/UserInterface/HiiDataBase/Dxe/Forms.c')
| -rw-r--r-- | EdkModulePkg/Universal/UserInterface/HiiDataBase/Dxe/Forms.c | 1577 |
1 files changed, 0 insertions, 1577 deletions
diff --git a/EdkModulePkg/Universal/UserInterface/HiiDataBase/Dxe/Forms.c b/EdkModulePkg/Universal/UserInterface/HiiDataBase/Dxe/Forms.c deleted file mode 100644 index c0c08f33a5..0000000000 --- a/EdkModulePkg/Universal/UserInterface/HiiDataBase/Dxe/Forms.c +++ /dev/null @@ -1,1577 +0,0 @@ -/**@file
- This file contains the form processing code to the HII database.
-
-Copyright (c) 2006 - 2007 Intel Corporation. <BR>
-All rights reserved. This program and the accompanying materials
-are licensed and made available under the terms and conditions of the BSD License
-which accompanies this distribution. The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-
-
-#include "HiiDatabase.h"
-
-STATIC
-CHAR16*
-Ascii2Unicode (
- OUT CHAR16 *UnicodeStr,
- IN CHAR8 *AsciiStr
- )
-/*++
-
- Routine Description:
-
- This function converts ASCII string to Unicode string.
-
- Arguments:
-
- UnicodeStr - NULL terminated Unicode output string.
- AsciieStr - NULL terminated ASCII input string.
-
- Returns:
-
- Start of the Unicode ouput string.
-
---*/
-
-{
- CHAR16 *Str = UnicodeStr;
- while (TRUE) {
- *(UnicodeStr++) = (CHAR16) *AsciiStr;
- if (*(AsciiStr++) == '\0') {
- return Str;
- }
- }
-}
-
-STATIC
-CHAR8*
-Unicode2Ascii (
- OUT CHAR8 *AsciiStr,
- IN CHAR16 *UnicodeStr
- )
-/*++
-
- Routine Description:
-
- This function converts Unicode string to ASCII string.
-
- Arguments:
-
- AsciieStr - NULL terminated ASCII output string.
- UnicodeStr - NULL terminated Unicode input string.
-
- Returns:
-
- Start of the ASCII ouput string.
-
---*/
-
-{
- CHAR8 *Str = AsciiStr;
- while (TRUE) {
- *(AsciiStr++) = (CHAR8) *UnicodeStr;
- if (*(UnicodeStr++) == '\0') {
- return Str;
- }
- }
-}
-
-STATIC
-VOID
-ExtractDevicePathData (
- IN EFI_HII_DATA_TABLE *DataTable,
- IN UINT8 *IfrData,
- IN OUT UINT8 **ExportBufferPtr
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
---*/
-{
- UINT8 *ExportBuffer;
-
- ExportBuffer = *ExportBufferPtr;
-
- //
- // BUGBUG - don't have devicepath data yet, setting dummy value
- //
- DataTable++;
- ExportBuffer = (UINT8 *) DataTable;
- ((EFI_HII_DEVICE_PATH_PACK *) ExportBuffer)->Header.Type = EFI_HII_DEVICE_PATH;
- ((EFI_HII_DEVICE_PATH_PACK *) ExportBuffer)->Header.Length = (UINT32) (sizeof (EFI_HII_DEVICE_PATH_PACK) + sizeof (EFI_DEVICE_PATH_PROTOCOL));
-
- //
- // BUGBUG - part of hack - skip the Device Path Pack.....place some data
- //
- ExportBuffer = ExportBuffer + sizeof (EFI_HII_DEVICE_PATH_PACK);
-
- ((EFI_DEVICE_PATH_PROTOCOL *) ExportBuffer)->Type = EFI_END_ENTIRE_DEVICE_PATH;
- ((EFI_DEVICE_PATH_PROTOCOL *) ExportBuffer)->SubType = EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE;
-
- //
- // BUGBUG - still part of hack....
- //
- ExportBuffer = ExportBuffer + sizeof (EFI_DEVICE_PATH_PROTOCOL);
- *ExportBufferPtr = ExportBuffer;
-}
-
-STATIC
-VOID
-ExtractVariableData (
- IN OUT EFI_HII_DATA_TABLE *DataTable,
- IN UINT8 *IfrData,
- IN OUT UINT8 **ExportBufferPtr
- )
-/*++
-
-Routine Description:
-
- This function extract the EFI_HII_VARIABLE_PACK portion from the
- each of the EFI_HII_PACKAGE_INSTANCE in HII handle database.
-
-Arguments:
-
- DataTable - On input, this parameter point to the EFI_HII_DATA_TABLE structure
- of the final data buffer for the EFI_HII_EXPORT interface. This function
- update the NumberOfVariableData attribute.
- IfrData - It points to a staring address of a EFI_HII_IFR_PACK structure.
- ExportBufferPtr - On input, it points the starting address of the data buffer to
- host the variable pack. On output, it is the starting address
- of data buffer for the next extraction operation.
-Returns:
-
- VOID
-
---*/
-{
- EFI_HII_VARIABLE_PACK *VariableContents;
- UINT8 *ExportBuffer;
- UINTN Index;
- UINTN Index2;
- UINTN TempValue;
- UINTN TempValue2;
- EFI_FORM_CALLBACK_PROTOCOL *FormCallback;
- EFI_PHYSICAL_ADDRESS CallbackHandle;
- EFI_STATUS Status;
- CHAR16 *String;
-
- FormCallback = NULL;
- CallbackHandle = 0;
- ExportBuffer = *ExportBufferPtr;
-
- for (Index = 0; IfrData[Index] != EFI_IFR_END_FORM_SET_OP;) {
- VariableContents = (EFI_HII_VARIABLE_PACK *) ExportBuffer;
-
- switch (IfrData[Index]) {
- case EFI_IFR_FORM_SET_OP:
- TempValue = EFI_HII_VARIABLE;
- CopyMem (&VariableContents->Header.Type, &TempValue, sizeof (UINT16));
- CopyMem (&TempValue, &((EFI_IFR_FORM_SET *) &IfrData[Index])->NvDataSize, sizeof (UINT16));
-
- //
- // If the variable has 0 size, do not process it
- //
- if (TempValue == 0) {
- break;
- }
- //
- // Add the size of the variable pack overhead. Later, will also add the size of the
- // name of the variable.
- //
- TempValue = TempValue + sizeof (EFI_HII_VARIABLE_PACK);
-
- CopyMem (&VariableContents->Header.Length, &TempValue, sizeof (UINT32));
- CopyMem (
- &CallbackHandle,
- &((EFI_IFR_FORM_SET *) &IfrData[Index])->CallbackHandle,
- sizeof (EFI_PHYSICAL_ADDRESS)
- );
- if (CallbackHandle != 0) {
- Status = gBS->HandleProtocol (
- (EFI_HANDLE) (UINTN) CallbackHandle,
- &gEfiFormCallbackProtocolGuid,
- (VOID *) &FormCallback
- );
- ASSERT_EFI_ERROR (Status);
- }
- //
- // Since we have a "Setup" variable that wasn't specified by a variable op-code
- // it will have a VariableId of 0. All other variable op-codes will have a designation
- // of VariableId 1+
- //
- TempValue = 0;
- CopyMem (&VariableContents->VariableId, &TempValue, sizeof (UINT16));
- CopyMem (&VariableContents->VariableGuid, &((EFI_IFR_FORM_SET *) &IfrData[Index])->Guid, sizeof (EFI_GUID));
- TempValue = sizeof (SETUP_MAP_NAME);
- CopyMem (&VariableContents->VariableNameLength, &TempValue, sizeof (UINT32));
-
- //
- // Add the size of the name to the Header Length
- //
- TempValue2 = 0;
- CopyMem (&TempValue2, &VariableContents->Header.Length, sizeof (UINT32));
- TempValue2 = TempValue + TempValue2;
- CopyMem (&VariableContents->Header.Length, &TempValue2, sizeof (UINT32));
-
- ExportBuffer = ExportBuffer + sizeof (EFI_HII_VARIABLE_PACK);
- CopyMem (ExportBuffer, SETUP_MAP_NAME, sizeof (SETUP_MAP_NAME));
- ExportBuffer = ExportBuffer + sizeof (SETUP_MAP_NAME);
-
- CopyMem (&TempValue, &((EFI_IFR_FORM_SET *) &IfrData[Index])->NvDataSize, sizeof (UINT16));
-
- if ((FormCallback != NULL) && (FormCallback->NvRead != NULL)) {
- Status = FormCallback->NvRead (
- FormCallback,
- (CHAR16 *) SETUP_MAP_NAME,
- (EFI_GUID *)(UINTN)&VariableContents->VariableGuid,
- NULL,
- &TempValue,
- ExportBuffer
- );
- ASSERT_EFI_ERROR (Status);
- } else {
- Status = gRT->GetVariable (
- (CHAR16 *) SETUP_MAP_NAME,
- (EFI_GUID *)(UINTN)&VariableContents->VariableGuid,
- NULL,
- &TempValue,
- ExportBuffer
- );
- ASSERT_EFI_ERROR (Status);
- }
-
- ExportBuffer = (UINT8 *) (UINTN) (((UINTN) ExportBuffer) + TempValue);
- DataTable->NumberOfVariableData++;
- break;
-
- case EFI_IFR_VARSTORE_OP:
- TempValue = EFI_HII_VARIABLE;
- CopyMem (&VariableContents->Header.Type, &TempValue, sizeof (UINT16));
- CopyMem (&TempValue, &((EFI_IFR_VARSTORE *) &IfrData[Index])->Size, sizeof (UINT16));
-
- //
- // If the variable has 0 size, do not process it
- //
- if (TempValue == 0) {
- break;
- }
- //
- // Add the size of the variable pack overhead. Later, will also add the size of the
- // name of the variable.
- //
- TempValue = TempValue + sizeof (EFI_HII_VARIABLE_PACK);
-
- CopyMem (&VariableContents->Header.Length, &TempValue, sizeof (UINT32));
- CopyMem (&VariableContents->VariableId, &((EFI_IFR_VARSTORE *) &IfrData[Index])->VarId, sizeof (UINT16));
- CopyMem (&VariableContents->VariableGuid, &((EFI_IFR_VARSTORE *) &IfrData[Index])->Guid, sizeof (EFI_GUID));
- TempValue = (UINTN) ((EFI_IFR_VARSTORE *) &IfrData[Index])->Header.Length - sizeof (EFI_IFR_VARSTORE);
- TempValue = TempValue * 2;
- CopyMem (&VariableContents->VariableNameLength, &TempValue, sizeof (UINT32));
-
- //
- // Add the size of the name to the Header Length
- //
- TempValue2 = 0;
- CopyMem (&TempValue2, &VariableContents->Header.Length, sizeof (UINT32));
- TempValue2 = TempValue + TempValue2;
- CopyMem (&VariableContents->Header.Length, &TempValue2, sizeof (UINT32));
-
- ExportBuffer = ExportBuffer + sizeof (EFI_HII_VARIABLE_PACK);
- String = (CHAR16 *) ExportBuffer;
- for (Index2 = 0; Index2 < TempValue / 2; Index2++) {
- ExportBuffer[Index2 * 2] = IfrData[Index + sizeof (EFI_IFR_VARSTORE) + Index2];
- ExportBuffer[Index2 * 2 + 1] = 0;
- }
-
- ExportBuffer = ExportBuffer + TempValue;
-
- CopyMem (&TempValue, &((EFI_IFR_VARSTORE *) &IfrData[Index])->Size, sizeof (UINT16));
-
- if ((FormCallback != NULL) && (FormCallback->NvRead != NULL)) {
- Status = FormCallback->NvRead (
- FormCallback,
- String,
- (EFI_GUID *)(UINTN)&VariableContents->VariableGuid,
- NULL,
- &TempValue,
- ExportBuffer
- );
- ASSERT_EFI_ERROR (Status);
- } else {
- Status = gRT->GetVariable (
- String,
- (EFI_GUID *)(UINTN)&VariableContents->VariableGuid,
- NULL,
- &TempValue,
- ExportBuffer
- );
- ASSERT_EFI_ERROR (Status);
- }
-
- ExportBuffer = (UINT8 *) (UINTN) (((UINTN) ExportBuffer) + TempValue);
- DataTable->NumberOfVariableData++;
- break;
- }
-
- Index = IfrData[Index + 1] + Index;
- }
- //
- // If we have added a variable pack, add a dummy empty one to signify the end
- //
- if (ExportBuffer != *ExportBufferPtr) {
- VariableContents = (EFI_HII_VARIABLE_PACK *) ExportBuffer;
- TempValue = EFI_HII_VARIABLE;
- CopyMem (&VariableContents->Header.Type, &TempValue, sizeof (UINT16));
- TempValue = sizeof (EFI_HII_VARIABLE_PACK);
- CopyMem (&VariableContents->Header.Length, &TempValue, sizeof (UINT32));
- ExportBuffer = ExportBuffer + sizeof (EFI_HII_VARIABLE_PACK);
- }
-
- *ExportBufferPtr = ExportBuffer;
-}
-
-EFI_STATUS
-EFIAPI
-HiiExportDatabase (
- IN EFI_HII_PROTOCOL *This,
- IN EFI_HII_HANDLE Handle,
- IN OUT UINTN *BufferSize,
- OUT VOID *Buffer
- )
-/*++
-
-Routine Description:
-
- This function allows a program to extract a form or form package that has
- previously been registered with the EFI HII database.
-
-Arguments:
-
-Returns:
-
---*/
-{
- EFI_HII_PACKAGE_INSTANCE *PackageInstance;
- EFI_HII_DATA *HiiData;
- EFI_HII_HANDLE_DATABASE *HandleDatabase;
- EFI_HII_IFR_PACK *FormPack;
- UINT8 *RawData;
- UINT8 *ExportBuffer;
- EFI_HII_EXPORT_TABLE *ExportTable;
- EFI_HII_DATA_TABLE *DataTable;
- BOOLEAN VariableExist;
- UINT16 NumberOfHiiDataTables;
- UINTN SizeNeeded;
- UINTN Index;
- UINTN VariableSize;
- UINTN TempValue;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- HiiData = EFI_HII_DATA_FROM_THIS (This);
-
- HandleDatabase = HiiData->DatabaseHead;
-
- FormPack = NULL;
- RawData = NULL;
- PackageInstance = NULL;
- NumberOfHiiDataTables = 0;
- VariableSize = 0;
- TempValue = 0;
- SizeNeeded = sizeof (EFI_HII_EXPORT_TABLE);
-
- //
- // How many total tables are there?
- //
- for (; HandleDatabase != NULL; HandleDatabase = HandleDatabase->NextHandleDatabase) {
- if ((Handle != 0) && (Handle != HandleDatabase->Handle)) {
- continue;
- }
-
- VariableExist = FALSE;
- NumberOfHiiDataTables++;
- PackageInstance = HandleDatabase->Buffer;
- if (PackageInstance == NULL) {
- continue;
- }
- //
- // Extract Size of Export Package
- //
- SizeNeeded = SizeNeeded + PackageInstance->IfrSize
- + PackageInstance->StringSize
- + sizeof (EFI_HII_DATA_TABLE)
- + sizeof (EFI_HII_DEVICE_PATH_PACK);
-
- //
- // BUGBUG We aren't inserting Device path data yet
- //
- SizeNeeded = SizeNeeded + sizeof (EFI_DEVICE_PATH_PROTOCOL);
-
- //
- // Extract Size of Variable Data
- //
- if (PackageInstance->IfrSize > 0) {
- FormPack = (EFI_HII_IFR_PACK *) ((CHAR8 *) (&PackageInstance->IfrData) + sizeof (EFI_HII_PACK_HEADER));
- } else {
- //
- // No IFR? No variable information
- //
- continue;
- }
-
- RawData = (UINT8 *) FormPack;
-
- for (Index = 0; RawData[Index] != EFI_IFR_END_FORM_SET_OP;) {
- switch (RawData[Index]) {
- case EFI_IFR_FORM_SET_OP:
- CopyMem (&VariableSize, &((EFI_IFR_FORM_SET *) &RawData[Index])->NvDataSize, sizeof (UINT16));
- SizeNeeded = SizeNeeded + VariableSize + sizeof (SETUP_MAP_NAME) + sizeof (EFI_HII_VARIABLE_PACK);
- VariableExist = TRUE;
- break;
-
- case EFI_IFR_VARSTORE_OP:
- CopyMem (&VariableSize, &((EFI_IFR_VARSTORE *) &RawData[Index])->Size, sizeof (UINT16));
- SizeNeeded = SizeNeeded + VariableSize + sizeof (EFI_HII_VARIABLE_PACK);
- //
- // We will be expanding the stored ASCII name to a Unicode string. This will cause some memory overhead
- // Since the VARSTORE size already takes in consideration the ASCII size, we need to size it and add another
- // instance of it. Essentially, 2 ASCII strings == 1 Unicode string in size.
- //
- TempValue = (UINTN) ((EFI_IFR_VARSTORE *) &RawData[Index])->Header.Length - sizeof (EFI_IFR_VARSTORE);
- SizeNeeded = SizeNeeded + TempValue * 2;
- VariableExist = TRUE;
- break;
- }
-
- Index = RawData[Index + 1] + Index;
- }
- //
- // If a variable exists for this handle, add an additional variable pack overhead to
- // indicate that we will have an extra null Variable Pack to signify the end of the Variable Packs
- //
- if (VariableExist) {
- SizeNeeded = SizeNeeded + sizeof (EFI_HII_VARIABLE_PACK);
- }
- }
-
- if (SizeNeeded > *BufferSize) {
- *BufferSize = SizeNeeded;
- return EFI_BUFFER_TOO_SMALL;
- }
- //
- // Zero out the incoming buffer
- //
- ZeroMem (Buffer, *BufferSize);
-
- //
- // Cast the Buffer to EFI_HII_EXPORT_TABLE
- //
- ExportTable = (EFI_HII_EXPORT_TABLE *) Buffer;
-
- //
- // Set the Revision for the Export Table
- //
- CopyMem (&ExportTable->Revision, &gEfiHiiProtocolGuid, sizeof (EFI_GUID));
-
- ExportBuffer = (UINT8 *) (UINTN) (((UINT8 *) ExportTable) + sizeof (EFI_HII_EXPORT_TABLE));
- HandleDatabase = HiiData->DatabaseHead;
-
- //
- // Check numeric value against the head of the database
- //
- for (; HandleDatabase != NULL; HandleDatabase = HandleDatabase->NextHandleDatabase) {
- DataTable = (EFI_HII_DATA_TABLE *) ExportBuffer;
- PackageInstance = HandleDatabase->Buffer;
- //
- // If not asking for a specific handle, export the entire database
- //
- if (Handle == 0) {
- ExportTable->NumberOfHiiDataTables = NumberOfHiiDataTables;
- CopyMem (&DataTable->PackageGuid, &PackageInstance->Guid, sizeof (EFI_GUID));
- DataTable->HiiHandle = PackageInstance->Handle;
- DataTable->DevicePathOffset = (UINT32) (sizeof (EFI_HII_DATA_TABLE));
-
- //
- // Start Dumping DevicePath
- //
- ExtractDevicePathData (DataTable, RawData, &ExportBuffer);
-
- if (((UINTN) ExportBuffer) == ((UINTN) DataTable)) {
- //
- // If there is no DevicePath information - set offset to 0 to signify the absence of data to parse
- //
- DataTable->DevicePathOffset = 0;
- }
-
- DataTable->VariableDataOffset = (UINT32) (((UINTN) ExportBuffer) - ((UINTN) DataTable));
-
- if (PackageInstance->IfrSize > 0) {
- FormPack = (EFI_HII_IFR_PACK *) ((CHAR8 *) (&PackageInstance->IfrData) + sizeof (EFI_HII_PACK_HEADER));
-
- RawData = (UINT8 *) FormPack;
- TempValue = 0;
-
- //
- // Start dumping the Variable Data
- //
- ExtractVariableData (DataTable, RawData, &ExportBuffer);
- DataTable->IfrDataOffset = (UINT32) (((UINTN) ExportBuffer) - ((UINTN) DataTable));
-
- if (DataTable->VariableDataOffset == DataTable->IfrDataOffset) {
- DataTable->VariableDataOffset = 0;
- }
- //
- // Start dumping the IFR data (Note: It is in an IFR PACK)
- //
- CopyMem (ExportBuffer, &PackageInstance->IfrData, PackageInstance->IfrSize);
- ExportBuffer = (UINT8 *) (UINTN) (((UINTN) ExportBuffer) + PackageInstance->IfrSize);
- DataTable->StringDataOffset = (UINT32) (((UINTN) ExportBuffer) - ((UINTN) DataTable));
-
- //
- // Start dumping the String data (Note: It is in a String PACK)
- //
- if (PackageInstance->StringSize > 0) {
- RawData = (UINT8 *) (((UINTN) &PackageInstance->IfrData) + PackageInstance->IfrSize);
- CopyMem (ExportBuffer, RawData, PackageInstance->StringSize);
- DataTable->DataTableSize = (UINT32) (DataTable->StringDataOffset + PackageInstance->StringSize);
-
- CopyMem (&TempValue, &((EFI_HII_STRING_PACK *) ExportBuffer)->Header.Length, sizeof (UINT32));
- for (; TempValue != 0;) {
- DataTable->NumberOfLanguages++;
- ExportBuffer = ExportBuffer + ((EFI_HII_STRING_PACK *) ExportBuffer)->Header.Length;
- CopyMem (&TempValue, &((EFI_HII_STRING_PACK *) ExportBuffer)->Header.Length, sizeof (UINT32));
- }
-
- ExportBuffer = ExportBuffer + sizeof (EFI_HII_STRING_PACK);
- } else {
- DataTable->StringDataOffset = 0;
- }
- } else {
- //
- // No IFR? No variable information. If Offset is 0, means there is none. (Hmm - this might be prunable - no strings to export if no IFR - we always have a stub)
- //
- DataTable->VariableDataOffset = 0;
- DataTable->IfrDataOffset = 0;
- DataTable->StringDataOffset = (UINT32) (((UINTN) ExportBuffer) - ((UINTN) DataTable));
-
- //
- // Start dumping the String data - NOTE: It is in String Pack form
- //
- if (PackageInstance->StringSize > 0) {
- RawData = (UINT8 *) (((UINTN) &PackageInstance->IfrData) + PackageInstance->IfrSize);
- CopyMem (ExportBuffer, RawData, PackageInstance->StringSize);
- DataTable->DataTableSize = (UINT32) (DataTable->StringDataOffset + PackageInstance->StringSize);
-
- CopyMem (&TempValue, &((EFI_HII_STRING_PACK *) ExportBuffer)->Header.Length, sizeof (UINT32));
- for (; TempValue != 0;) {
- DataTable->NumberOfLanguages++;
- ExportBuffer = ExportBuffer + ((EFI_HII_STRING_PACK *) ExportBuffer)->Header.Length;
- CopyMem (&TempValue, &((EFI_HII_STRING_PACK *) ExportBuffer)->Header.Length, sizeof (UINT32));
- }
-
- ExportBuffer = ExportBuffer + sizeof (EFI_HII_STRING_PACK);
- } else {
- DataTable->StringDataOffset = 0;
- }
- }
- } else {
- //
- // Match the numeric value with the database entry - if matched, extract PackageInstance
- //
- if (Handle == HandleDatabase->Handle) {
- PackageInstance = HandleDatabase->Buffer;
- ExportTable->NumberOfHiiDataTables = NumberOfHiiDataTables;
- DataTable->HiiHandle = PackageInstance->Handle;
- CopyMem (&DataTable->PackageGuid, &PackageInstance->Guid, sizeof (EFI_GUID));
-
- //
- // Start Dumping DevicePath
- //
- ExtractDevicePathData (DataTable, RawData, &ExportBuffer);
- DataTable->VariableDataOffset = (UINT32) (((UINTN) ExportBuffer) - ((UINTN) DataTable));
-
- if (PackageInstance->IfrSize > 0) {
- FormPack = (EFI_HII_IFR_PACK *) ((CHAR8 *) (&PackageInstance->IfrData) + sizeof (EFI_HII_PACK_HEADER));
-
- RawData = (UINT8 *) FormPack;
- TempValue = 0;
-
- //
- // Start dumping the Variable Data
- //
- ExtractVariableData (DataTable, RawData, &ExportBuffer);
- DataTable->IfrDataOffset = (UINT32) (((UINTN) ExportBuffer) - ((UINTN) DataTable));
-
- if (DataTable->VariableDataOffset == DataTable->IfrDataOffset) {
- DataTable->VariableDataOffset = 0;
- }
- //
- // Start dumping the IFR data
- //
- CopyMem (ExportBuffer, &PackageInstance->IfrData, PackageInstance->IfrSize);
- ExportBuffer = (UINT8 *) (UINTN) (((UINTN) ExportBuffer) + PackageInstance->IfrSize);
- DataTable->StringDataOffset = (UINT32) (((UINTN) ExportBuffer) - ((UINTN) DataTable));
-
- //
- // Start dumping the String data - NOTE: It is in String Pack form
- //
- if (PackageInstance->StringSize > 0) {
- RawData = (UINT8 *) (((UINTN) &PackageInstance->IfrData) + PackageInstance->IfrSize);
- CopyMem (ExportBuffer, RawData, PackageInstance->StringSize);
- DataTable->DataTableSize = (UINT32) (DataTable->StringDataOffset + PackageInstance->StringSize);
-
- CopyMem (&TempValue, &((EFI_HII_STRING_PACK *) ExportBuffer)->Header.Length, sizeof (UINT32));
- for (; TempValue != 0;) {
- DataTable->NumberOfLanguages++;
- ExportBuffer = ExportBuffer + ((EFI_HII_STRING_PACK *) ExportBuffer)->Header.Length;
- CopyMem (&TempValue, &((EFI_HII_STRING_PACK *) ExportBuffer)->Header.Length, sizeof (UINT32));
- }
-
- ExportBuffer = ExportBuffer + sizeof (EFI_HII_STRING_PACK);
- } else {
- DataTable->StringDataOffset = 0;
- }
- } else {
- //
- // No IFR? No variable information. If Offset is 0, means there is none.
- //
- DataTable->VariableDataOffset = 0;
- DataTable->IfrDataOffset = 0;
- DataTable->StringDataOffset = (UINT32) (((UINTN) ExportBuffer) - ((UINTN) DataTable));
-
- //
- // Start dumping the String data - Note: It is in String Pack form
- //
- if (PackageInstance->StringSize > 0) {
- RawData = (UINT8 *) (((UINTN) &PackageInstance->IfrData) + PackageInstance->IfrSize);
- CopyMem (ExportBuffer, RawData, PackageInstance->StringSize);
- DataTable->DataTableSize = (UINT32) (DataTable->StringDataOffset + PackageInstance->StringSize);
-
- CopyMem (&TempValue, &((EFI_HII_STRING_PACK *) ExportBuffer)->Header.Length, sizeof (UINT32));
- for (; TempValue != 0;) {
- DataTable->NumberOfLanguages++;
- ExportBuffer = ExportBuffer + ((EFI_HII_STRING_PACK *) ExportBuffer)->Header.Length;
- CopyMem (&TempValue, &((EFI_HII_STRING_PACK *) ExportBuffer)->Header.Length, sizeof (UINT32));
- }
-
- ExportBuffer = ExportBuffer + sizeof (EFI_HII_STRING_PACK);
- } else {
- DataTable->StringDataOffset = 0;
- }
- }
- break;
- }
- }
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-EFIAPI
-HiiGetForms (
- IN EFI_HII_PROTOCOL *This,
- IN EFI_HII_HANDLE Handle,
- IN EFI_FORM_ID FormId,
- IN OUT UINTN *BufferLengthTemp,
- OUT UINT8 *Buffer
- )
-/*++
-
-Routine Description:
-
- This function allows a program to extract a form or form package that has
- previously been registered with the EFI HII database.
-
-Arguments:
- This - A pointer to the EFI_HII_PROTOCOL instance.
-
- Handle - Handle on which the form resides. Type EFI_HII_HANDLE is defined in
- EFI_HII_PROTOCOL.NewPack() in the Packages section.
-
- FormId - The ID of the form to return. If the ID is zero, the entire form package is returned.
- Type EFI_FORM_ID is defined in "Related Definitions" below.
-
- BufferLength - On input, the length of the Buffer. On output, the length of the returned buffer, if
- the length was sufficient and, if it was not, the length that is required to fit the
- requested form(s).
-
- Buffer - The buffer designed to receive the form(s).
-
-Returns:
-
- EFI_SUCCESS - Buffer filled with the requested forms. BufferLength
- was updated.
-
- EFI_INVALID_PARAMETER - The handle is unknown.
-
- EFI_NOT_FOUND - A form on the requested handle cannot be found with the
- requested FormId.
-
- EFI_BUFFER_TOO_SMALL - The buffer provided was not large enough to allow the form to be stored.
-
---*/
-{
- EFI_HII_PACKAGE_INSTANCE *PackageInstance;
- EFI_HII_DATA *HiiData;
- EFI_HII_HANDLE_DATABASE *HandleDatabase;
- EFI_HII_IFR_PACK *FormPack;
- EFI_IFR_FORM *Form;
- EFI_IFR_OP_HEADER *Location;
- UINT16 *BufferLength = (UINT16 *) BufferLengthTemp;
- UINTN FormLength;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- HiiData = EFI_HII_DATA_FROM_THIS (This);
-
- HandleDatabase = HiiData->DatabaseHead;
-
- PackageInstance = NULL;
-
- FormLength = 0;
-
- //
- // Check numeric value against the head of the database
- //
- for (; HandleDatabase != NULL; HandleDatabase = HandleDatabase->NextHandleDatabase) {
- //
- // Match the numeric value with the database entry - if matched, extract PackageInstance
- //
- if (Handle == HandleDatabase->Handle) {
- PackageInstance = HandleDatabase->Buffer;
- break;
- }
- }
- //
- // No handle was found - error condition
- //
- if (PackageInstance == NULL) {
- return EFI_NOT_FOUND;
- }
- //
- // Based on if there is IFR data in this package instance, determine
- // what the location is of the beginning of the string data.
- //
- if (PackageInstance->IfrSize > 0) {
- FormPack = (EFI_HII_IFR_PACK *) (&PackageInstance->IfrData);
- } else {
- //
- // If there is no IFR data return an error
- //
- return EFI_NOT_FOUND;
- }
- //
- // If requesting the entire Form Package
- //
- if (FormId == 0) {
- //
- // Return an error if buffer is too small
- //
- if (PackageInstance->IfrSize > *BufferLength || Buffer == NULL) {
- *BufferLength = (UINT16) PackageInstance->IfrSize;
- return EFI_BUFFER_TOO_SMALL;
- }
-
- CopyMem (Buffer, FormPack, PackageInstance->IfrSize);
- return EFI_SUCCESS;
- } else {
- FormPack = (EFI_HII_IFR_PACK *) ((CHAR8 *) (&PackageInstance->IfrData) + sizeof (EFI_HII_PACK_HEADER));
- Location = (EFI_IFR_OP_HEADER *) FormPack;
-
- //
- // Look for the FormId requested
- //
- for (; Location->OpCode != EFI_IFR_END_FORM_SET_OP;) {
- switch (Location->OpCode) {
- case EFI_IFR_FORM_OP:
- Form = (EFI_IFR_FORM *) Location;
-
- //
- // If we found a Form Op-code and it is of the correct Id, copy it and return
- //
- if (Form->FormId == FormId) {
- //
- // Calculate the total size of form
- //
- for (FormLength = 0; Location->OpCode != EFI_IFR_END_FORM_OP; ) {
- FormLength += Location->Length;
- Location = (EFI_IFR_OP_HEADER *) ((CHAR8 *) (Location) + Location->Length);
- }
- FormLength += Location->Length;
- Location = (EFI_IFR_OP_HEADER *) ((CHAR8 *) (Location) + Location->Length);
-
- if ((Buffer == NULL) || (FormLength > *BufferLength)) {
- *BufferLengthTemp = FormLength;
- return EFI_BUFFER_TOO_SMALL;
- }
-
- //
- // Rewind to start offset of the found Form
- //
- Location = (EFI_IFR_OP_HEADER *) ((CHAR8 *)Location - FormLength);
- CopyMem (Buffer, Location, FormLength);
- return EFI_SUCCESS;
- }
-
- default:
- break;
- }
- //
- // Go to the next Op-Code
- //
- Location = (EFI_IFR_OP_HEADER *) ((CHAR8 *) (Location) + Location->Length);
- }
- }
-
- return EFI_NOT_FOUND;
-}
-
-//
-// Helper functions to HiiGetDefaultImage()
-//
-
-STATIC
-UINT8*
-HiiGetDefaultImageInitPack (
- IN OUT EFI_HII_VARIABLE_PACK_LIST *VariablePackItem,
- IN EFI_IFR_VARSTORE *VarStore
- )
-/*++
-
- Routine Description:
-
- Initialize the EFI_HII_VARIABLE_PACK_LIST structure and
- prepare it ready to be used by HiiGetDefaultImagePopulateMap ().
-
- Arguments:
-
- VariablePackItem - Variable Package List.
- VarStore - IFR variable storage.
-
- Returns:
-
- Return the pointer to the Map space.
-
---*/
-{
- CHAR16 *Name16;
- CHAR8 *Name8;
- CHAR8 *Map;
- EFI_HII_VARIABLE_PACK *VariablePack;
-
- //
- // Set pointer the pack right after the node
- //
- VariablePackItem->VariablePack = (EFI_HII_VARIABLE_PACK *) (VariablePackItem + 1);
- VariablePack = VariablePackItem->VariablePack;
-
- //
- // Copy the var name to VariablePackItem from VarStore
- // Needs ASCII->Unicode conversion.
- //
- ASSERT (VarStore->Header.Length > sizeof (*VarStore));
- Name8 = (CHAR8 *) (VarStore + 1);
- Name16 = (CHAR16 *) (VariablePack + 1);
- Ascii2Unicode (Name16, Name8);
-
- //
- // Compute the other fields of the VariablePackItem
- //
- VariablePack->VariableId = VarStore->VarId;
- CopyMem (&VariablePack->VariableGuid, &VarStore->Guid, sizeof (EFI_GUID));
- VariablePack->VariableNameLength = (UINT32) ((StrLen (Name16) + 1) * 2);
- VariablePack->Header.Length = sizeof (*VariablePack)
- + VariablePack->VariableNameLength
- + VarStore->Size;
- //
- // Return the pointer to the Map space.
- //
- Map = (CHAR8 *) Name16 + VariablePack->VariableNameLength;
-
- return (UINT8 *)Map;
-}
-
-STATIC
-VOID
-HiiGetDefaultImagePopulateMap (
- IN OUT UINT8 *Map,
- IN EFI_IFR_OP_HEADER *FormSet,
- IN EFI_IFR_VARSTORE *VarStore,
- IN UINTN DefaultMask
- )
-/*++
-
- Routine Description:
-
- Fill the Map with all the default values either from NV or Hii database.
-
- Arguments:
-
- Map - Memory pointer to hold the default values.
- FormSet - The starting EFI_IFR_OP_HEADER to begin retriving default values.
- VarStore - IFR variable storage.
- DefaultMask - The mask used to get the default variable.
-
- Returns:
-
- VOID
-
---*/
-{
- EFI_STATUS Status;
- EFI_IFR_OP_HEADER *IfrItem;
- UINT16 VarId;
- EFI_IFR_VARSTORE_SELECT *VarSelect;
- EFI_IFR_ONE_OF_OPTION *OneOfOpt;
- EFI_IFR_CHECKBOX *CheckBox;
- EFI_IFR_NUMERIC *Numeric;
- UINTN Size;
- UINTN SizeTmp;
- EFI_IFR_NV_DATA *IfrNvData;
- EFI_GUID Guid;
- CHAR16 *Name16;
- CHAR8 *Name8;
- EFI_HANDLE CallbackHandle;
- EFI_FORM_CALLBACK_PROTOCOL *FormCallbackProt;
-
- //
- // Get the Map's Name/Guid/Szie from the Varstore.
- // VARSTORE contains the Name in ASCII format (@#$^&!), must convert it to Unicode.
- //
- ASSERT (VarStore->Header.Length >= sizeof (*VarStore));
- Name8 = (CHAR8 *) (VarStore + 1);
- Name16 = AllocateZeroPool ((VarStore->Header.Length - sizeof (*VarStore)) * sizeof (CHAR16));
- Ascii2Unicode (Name16, Name8);
- CopyMem (&Guid, &VarStore->Guid, sizeof(EFI_GUID));
- Size = VarStore->Size;
-
- //
- // First, check if the map exists in the NV. If so, get it from NV and exit.
- //
- if (DefaultMask == EFI_IFR_FLAG_MANUFACTURING) {
- //
- // Check if Manufaturing Defaults exist in the NV.
- //
- Status = EfiLibHiiVariableOverrideBySuffix (
- HII_VARIABLE_SUFFIX_MANUFACTURING_OVERRIDE,
- Name16,
- &Guid,
- Size,
- Map
- );
- } else {
- //
- // All other cases default to Defaults. Check if Defaults exist in the NV.
- //
- Status = EfiLibHiiVariableOverrideBySuffix (
- HII_VARIABLE_SUFFIX_DEFAULT_OVERRIDE,
- Name16,
- &Guid,
- Size,
- Map
- );
- }
- if (!EFI_ERROR (Status)) {
- //
- // Either Defaults/Manufacturing variable exists and appears to be valid.
- // The map is read, exit w/ success now.
- //
- FreePool (Name16);
- return;
- }
-
- //
- // First, prime the map with what already is in the NV.
- // This is needed to cover a situation where the IFR does not contain all the
- // defaults; either deliberately not having appropriate IFR, or in case of IFR_STRING, there is no default.
- // Ignore status. Either it gets read or not.
- //
- FormCallbackProt = NULL;
- CopyMem (&CallbackHandle, &((EFI_IFR_FORM_SET*) FormSet)->CallbackHandle, sizeof (CallbackHandle));
- if (CallbackHandle != NULL) {
- Status = gBS->HandleProtocol (
- (EFI_HANDLE) (UINTN) CallbackHandle,
- &gEfiFormCallbackProtocolGuid,
- (VOID *) &FormCallbackProt
- );
- }
- if ((NULL != FormCallbackProt) && (NULL != FormCallbackProt->NvRead)) {
- //
- // Attempt to read using NvRead() callback. Probe first for existence and correct variable size.
- //
- SizeTmp = 0;
- Status = FormCallbackProt->NvRead (
- FormCallbackProt,
- Name16,
- &Guid,
- 0,
- &SizeTmp,
- NULL
- );
- if ((EFI_BUFFER_TOO_SMALL == Status) && (SizeTmp == Size)) {
- Status = FormCallbackProt->NvRead (
- FormCallbackProt,
- Name16,
- &Guid,
- 0,
- &SizeTmp,
- Map
- );
- ASSERT_EFI_ERROR (Status);
- ASSERT (SizeTmp == Size);
- }
- } else {
- //
- // No callback available for this formset, read straight from NV. Deliberately ignore the Status.
- // The buffer will only be written if variable exists nd has correct size.
- //
- Status = EfiLibHiiVariableRetrieveFromNv (
- Name16,
- &Guid,
- Size,
- (VOID **) &Map
- );
- }
-
- //
- // Iterate all IFR statements and for applicable, retrieve the default into the Map.
- //
- for (IfrItem = FormSet, VarId = 0;
- IfrItem->OpCode != EFI_IFR_END_FORM_SET_OP;
- IfrItem = (EFI_IFR_OP_HEADER *) ((UINT8*) IfrItem + IfrItem->Length)
- ) {
-
- //
- // Observe VarStore switch.
- //
- if (EFI_IFR_VARSTORE_SELECT_OP == IfrItem->OpCode) {
- VarSelect = (EFI_IFR_VARSTORE_SELECT *) IfrItem;
- VarId = VarSelect->VarId;
- continue;
- }
-
-
- //
- // Skip opcodes that reference other VarStore than that specific to current map.
- //
- if (VarId != VarStore->VarId) {
- continue;
- }
-
- //
- // Extract the default value from this opcode if applicable, and apply it to the map.
- //
- IfrNvData = (EFI_IFR_NV_DATA *) IfrItem;
- switch (IfrItem->OpCode) {
-
- case EFI_IFR_ONE_OF_OP:
- ASSERT (IfrNvData->QuestionId + IfrNvData->StorageWidth <= VarStore->Size);
- //
- // Get to the first EFI_IFR_ONE_OF_OPTION_OP
- //
- IfrItem = (EFI_IFR_OP_HEADER *) ((UINT8*) IfrItem + IfrItem->Length);
- ASSERT (EFI_IFR_ONE_OF_OPTION_OP == IfrItem->OpCode);
-
- OneOfOpt = (EFI_IFR_ONE_OF_OPTION *)IfrItem;
- //
- // In the worst case, the first will be the default.
- //
- CopyMem (Map + IfrNvData->QuestionId, &OneOfOpt->Value, IfrNvData->StorageWidth);
-
- while (EFI_IFR_ONE_OF_OPTION_OP == IfrItem->OpCode) {
-
- OneOfOpt = (EFI_IFR_ONE_OF_OPTION *)IfrItem;
- if (DefaultMask == EFI_IFR_FLAG_MANUFACTURING) {
- if (0 != (OneOfOpt->Flags & EFI_IFR_FLAG_MANUFACTURING)) {
- //
- // In the worst case, the first will be the default.
- //
- CopyMem (Map + IfrNvData->QuestionId, &OneOfOpt->Value, IfrNvData->StorageWidth);
- break;
- }
- } else {
- if (OneOfOpt->Flags & EFI_IFR_FLAG_DEFAULT) {
- //
- // In the worst case, the first will be the default.
- //
- CopyMem (Map + IfrNvData->QuestionId, &OneOfOpt->Value, IfrNvData->StorageWidth);
- break;
- }
- }
-
- IfrItem = (EFI_IFR_OP_HEADER *)((UINT8*)IfrItem + IfrItem->Length);
- }
- continue;
- break;
-
- case EFI_IFR_CHECKBOX_OP:
- ASSERT (IfrNvData->QuestionId + IfrNvData->StorageWidth <= VarStore->Size);
- CheckBox = (EFI_IFR_CHECK_BOX *)IfrItem;
- if (DefaultMask == EFI_IFR_FLAG_MANUFACTURING) {
- if (0 != (CheckBox->Flags & EFI_IFR_FLAG_MANUFACTURING)) {
- *(UINT8 *) (Map + IfrNvData->QuestionId) = TRUE;
- }
- } else {
- if (CheckBox->Flags & EFI_IFR_FLAG_DEFAULT) {
- *(UINT8 *) (Map + IfrNvData->QuestionId) = TRUE;
- }
- }
- break;
-
- case EFI_IFR_NUMERIC_OP:
- ASSERT (IfrNvData->QuestionId + IfrNvData->StorageWidth <= VarStore->Size);
- Numeric = (EFI_IFR_NUMERIC *) IfrItem;
- CopyMem (Map + IfrNvData->QuestionId, &Numeric->Default, IfrNvData->StorageWidth);
- break;
-
- case EFI_IFR_ORDERED_LIST_OP:
- case EFI_IFR_PASSWORD_OP:
- case EFI_IFR_STRING_OP:
- //
- // No support for default value for these opcodes.
- //
- break;
- }
- }
-
- FreePool (Name16);
-
-}
-
-
-EFI_STATUS
-EFIAPI
-HiiGetDefaultImage (
- IN EFI_HII_PROTOCOL *This,
- IN EFI_HII_HANDLE Handle,
- IN UINTN DefaultMask,
- OUT EFI_HII_VARIABLE_PACK_LIST **VariablePackList
- )
-/*++
-
- Routine Description:
-
- This function allows a program to extract the NV Image
- that represents the default storage image
-
- Arguments:
- This - A pointer to the EFI_HII_PROTOCOL instance.
- Handle - The HII handle from which will have default data retrieved.
- UINTN - Mask used to retrieve the default image.
- VariablePackList - Callee allocated, tightly-packed, link list data
- structure that contain all default varaible packs
- from the Hii Database.
-
- Returns:
- EFI_NOT_FOUND - If Hii database does not contain any default images.
- EFI_INVALID_PARAMETER - Invalid input parameter.
- EFI_SUCCESS - Operation successful.
-
---*/
-{
- EFI_HII_HANDLE_DATABASE *HandleDatabase;
- EFI_HII_PACKAGE_INSTANCE *PackageInstance;
- EFI_IFR_OP_HEADER *FormSet;
- EFI_IFR_OP_HEADER *IfrItem;
- EFI_IFR_VARSTORE *VarStore;
- EFI_IFR_VARSTORE *VarStoreDefault;
- UINTN SetupMapNameSize;
- UINTN SizeOfMaps;
- EFI_HII_VARIABLE_PACK_LIST *PackList;
- EFI_HII_VARIABLE_PACK_LIST *PackListNext;
- EFI_HII_VARIABLE_PACK_LIST *PackListLast;
- UINT8 *Map;
-
-
- //
- // Find the IFR pack from the handle. Then get the formset from the pack.
- //
- PackageInstance = NULL;
- HandleDatabase = (EFI_HII_DATA_FROM_THIS (This))->DatabaseHead;
- for ( ; HandleDatabase != NULL; HandleDatabase = HandleDatabase->NextHandleDatabase) {
- if (Handle == HandleDatabase->Handle) {
- PackageInstance = HandleDatabase->Buffer;
- break;
- }
- }
- if (PackageInstance == NULL) {
- return EFI_INVALID_PARAMETER;
- }
- FormSet = (EFI_IFR_OP_HEADER *) ((UINT8 *) &PackageInstance->IfrData + sizeof (EFI_HII_IFR_PACK));
-
- //
- // Get the sizes of all the VARSTOREs in this VFR.
- // Then allocate enough space for all of them plus all maps
- //
- SizeOfMaps = 0;
- IfrItem = FormSet;
- while (EFI_IFR_END_FORM_SET_OP != IfrItem->OpCode) {
-
- if (EFI_IFR_VARSTORE_OP == IfrItem->OpCode) {
- VarStore = (EFI_IFR_VARSTORE *) IfrItem;
- //
- // Size of the map
- //
- SizeOfMaps += VarStore->Size;
- //
- // add the size of the string, in Unicode
- //
- SizeOfMaps += (VarStore->Header.Length - sizeof (*VarStore)) * 2;
- //
- // Space for node
- //
- SizeOfMaps += sizeof (EFI_HII_VARIABLE_PACK);
- //
- // Space for linked list node
- //
- SizeOfMaps += sizeof (EFI_HII_VARIABLE_PACK_LIST);
- }
-
- IfrItem = (EFI_IFR_OP_HEADER *) ((UINT8 *) IfrItem + IfrItem->Length);
- }
-
- //
- // If the FormSet OpCode has a non-zero NvDataSize. There is a default
- // NvMap with ID=0, GUID that of the formset itself and "Setup" as name.
- //
- SetupMapNameSize = StrLen (SETUP_MAP_NAME) + 1;
- VarStoreDefault = AllocateZeroPool (sizeof (*VarStoreDefault) + SetupMapNameSize);
-
- if (0 != ((EFI_IFR_FORM_SET*)FormSet)->NvDataSize) {
-
- VarStoreDefault->Header.OpCode = EFI_IFR_VARSTORE_OP;
- VarStoreDefault->Header.Length = (UINT8) (sizeof (*VarStoreDefault) + SetupMapNameSize);
- Unicode2Ascii ((CHAR8 *) (VarStoreDefault + 1), SETUP_MAP_NAME);
- CopyMem (&VarStoreDefault->Guid, &((EFI_IFR_FORM_SET*) FormSet)->Guid, sizeof (EFI_GUID));
- VarStoreDefault->VarId = 0;
- VarStoreDefault->Size = ((EFI_IFR_FORM_SET*) FormSet)->NvDataSize;
-
- //
- // Size of the map
- //
- SizeOfMaps += VarStoreDefault->Size;
- //
- // add the size of the string
- //
- SizeOfMaps += sizeof (SETUP_MAP_NAME);
- //
- // Space for node
- //
- SizeOfMaps += sizeof (EFI_HII_VARIABLE_PACK);
- //
- // Space for linked list node
- //
- SizeOfMaps += sizeof (EFI_HII_VARIABLE_PACK_LIST);
- }
-
- if (0 == SizeOfMaps) {
- //
- // The IFR does not have any explicit or default map(s).
- //
- return EFI_NOT_FOUND;
- }
-
- //
- // Allocate the return buffer
- //
- PackList = AllocateZeroPool (SizeOfMaps);
- ASSERT (NULL != PackList);
-
- PackListNext = PackList;
- PackListLast = PackList;
-
- //
- // Handle the default map first, if any.
- //
- if (0 != VarStoreDefault->Size) {
-
- Map = HiiGetDefaultImageInitPack (PackListNext, VarStoreDefault);
-
- HiiGetDefaultImagePopulateMap (Map, FormSet, VarStoreDefault, DefaultMask);
-
- PackListNext->NextVariablePack = (EFI_HII_VARIABLE_PACK_LIST *) ((UINT8 *) PackListNext->VariablePack + PackListNext->VariablePack->Header.Length);
- PackListLast = PackListNext;
- PackListNext = PackListNext->NextVariablePack;
- }
-
-
- //
- // Handle the explicit varstore(s)
- //
- IfrItem = FormSet;
- while (EFI_IFR_END_FORM_SET_OP != IfrItem->OpCode) {
-
- if (EFI_IFR_VARSTORE_OP == IfrItem->OpCode) {
-
- Map = HiiGetDefaultImageInitPack (PackListNext, (EFI_IFR_VARSTORE *) IfrItem);
-
- HiiGetDefaultImagePopulateMap (Map, FormSet, (EFI_IFR_VARSTORE *) IfrItem, DefaultMask);
-
- PackListNext->NextVariablePack = (EFI_HII_VARIABLE_PACK_LIST *) ((UINT8 *) PackListNext->VariablePack + PackListNext->VariablePack->Header.Length);
- PackListLast = PackListNext;
- PackListNext = PackListNext->NextVariablePack;
- }
-
- IfrItem = (EFI_IFR_OP_HEADER *) ((UINT8 *) IfrItem + IfrItem->Length);
- }
-
- PackListLast->NextVariablePack = NULL;
- *VariablePackList = PackList;
-
- return EFI_SUCCESS;
-}
-
-
-EFI_STATUS
-EFIAPI
-HiiUpdateForm (
- IN EFI_HII_PROTOCOL *This,
- IN EFI_HII_HANDLE Handle,
- IN EFI_FORM_LABEL Label,
- IN BOOLEAN AddData,
- IN EFI_HII_UPDATE_DATA *Data
- )
-/*++
-
-Routine Description:
- This function allows the caller to update a form that has
- previously been registered with the EFI HII database.
-
-Arguments:
- Handle - Hii Handle associated with the Formset to modify
- Label - Update information starting immediately after this label in the IFR
- AddData - If TRUE, add data. If FALSE, remove data
- Data - If adding data, this is the pointer to the data to add
-
-Returns:
- EFI_SUCCESS - Update success.
- Other - Update fail.
-
---*/
-{
- EFI_HII_PACKAGE_INSTANCE *PackageInstance;
- EFI_HII_DATA *HiiData;
- EFI_HII_HANDLE_DATABASE *HandleDatabase;
- EFI_HII_IFR_PACK *FormPack;
- EFI_IFR_OP_HEADER *Location;
- EFI_IFR_OP_HEADER *DataLocation;
- UINT8 *OtherBuffer;
- UINT8 *TempBuffer;
- UINT8 *OrigTempBuffer;
- UINTN TempBufferSize;
- UINTN Index;
-
- OtherBuffer = NULL;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- HiiData = EFI_HII_DATA_FROM_THIS (This);
-
- HandleDatabase = HiiData->DatabaseHead;
-
- PackageInstance = NULL;
-
- //
- // Check numeric value against the head of the database
- //
- for (; HandleDatabase != NULL; HandleDatabase = HandleDatabase->NextHandleDatabase) {
- //
- // Match the numeric value with the database entry - if matched, extract PackageInstance
- //
- if (Handle == HandleDatabase->Handle) {
- PackageInstance = HandleDatabase->Buffer;
- break;
- }
- }
- //
- // No handle was found - error condition
- //
- if (PackageInstance == NULL) {
- return EFI_INVALID_PARAMETER;
- }
- //
- // Calculate and allocate space for retrieval of IFR data
- //
- DataLocation = (EFI_IFR_OP_HEADER *) &Data->Data;
- TempBufferSize = (CHAR8 *) (&PackageInstance->IfrData) - (CHAR8 *) (PackageInstance);
-
- for (Index = 0; Index < Data->DataCount; Index++) {
- TempBufferSize += DataLocation->Length;
- DataLocation = (EFI_IFR_OP_HEADER *) ((CHAR8 *) (DataLocation) + DataLocation->Length);
- }
-
- TempBufferSize += PackageInstance->IfrSize + PackageInstance->StringSize;
-
- TempBuffer = AllocateZeroPool (TempBufferSize);
- ASSERT (TempBuffer != NULL);
-
- OrigTempBuffer = TempBuffer;
-
- //
- // We update only packages with IFR information in it
- //
- if (PackageInstance->IfrSize == 0) {
- return EFI_INVALID_PARAMETER;
- }
-
- CopyMem (
- TempBuffer,
- PackageInstance,
- ((CHAR8 *) (&PackageInstance->IfrData) + sizeof (EFI_HII_PACK_HEADER) - (CHAR8 *) (PackageInstance))
- );
-
- TempBuffer = TempBuffer + ((CHAR8 *) (&PackageInstance->IfrData) + sizeof (EFI_HII_PACK_HEADER) - (CHAR8 *) (PackageInstance));
-
- //
- // Based on if there is IFR data in this package instance, determine
- // what the location is of the beginning of the string data.
- //
- FormPack = (EFI_HII_IFR_PACK *) ((CHAR8 *) (&PackageInstance->IfrData) + sizeof (EFI_HII_PACK_HEADER));
- Location = (EFI_IFR_OP_HEADER *) FormPack;
-
- //
- // Look for the FormId requested
- //
- for (; Location->OpCode != EFI_IFR_END_FORM_SET_OP;) {
- switch (Location->OpCode) {
- case EFI_IFR_FORM_SET_OP:
- //
- // If the FormSet has an update pending, pay attention.
- //
- if (Data->FormSetUpdate) {
- ((EFI_IFR_FORM_SET *) Location)->CallbackHandle = Data->FormCallbackHandle;
- }
-
- CopyMem (TempBuffer, Location, Location->Length);
- TempBuffer = TempBuffer + Location->Length;
- break;
-
- case EFI_IFR_FORM_OP:
- //
- // If the Form has an update pending, pay attention.
- //
- if (Data->FormUpdate) {
- ((EFI_IFR_FORM *) Location)->FormTitle = Data->FormTitle;
- }
-
- CopyMem (TempBuffer, Location, Location->Length);
- TempBuffer = TempBuffer + Location->Length;
- break;
-
- case EFI_IFR_LABEL_OP:
- //
- // If the label does not match the requested update point, ignore it
- //
- if (((EFI_IFR_LABEL *) Location)->LabelId != Label) {
- //
- // Copy the label
- //
- CopyMem (TempBuffer, Location, Location->Length);
- TempBuffer = TempBuffer + Location->Length;
-
- //
- // Go to the next Op-Code
- //
- Location = (EFI_IFR_OP_HEADER *) ((CHAR8 *) (Location) + Location->Length);
- continue;
- }
-
- if (AddData) {
- //
- // Copy the label
- //
- CopyMem (TempBuffer, Location, Location->Length);
- TempBuffer = TempBuffer + Location->Length;
-
- //
- // Add the DataCount amount of opcodes to TempBuffer
- //
- DataLocation = (EFI_IFR_OP_HEADER *) &Data->Data;
- for (Index = 0; Index < Data->DataCount; Index++) {
- CopyMem (TempBuffer, DataLocation, DataLocation->Length);
- ((EFI_HII_PACKAGE_INSTANCE *) OrigTempBuffer)->IfrSize += DataLocation->Length;
- OtherBuffer = ((UINT8 *) &((EFI_HII_PACKAGE_INSTANCE *) OrigTempBuffer)->StringSize + sizeof (UINTN));
- CopyMem (OtherBuffer, &((EFI_HII_PACKAGE_INSTANCE *) OrigTempBuffer)->IfrSize, 2);
- TempBuffer = TempBuffer + DataLocation->Length;
- DataLocation = (EFI_IFR_OP_HEADER *) ((CHAR8 *) (DataLocation) + DataLocation->Length);
- }
- //
- // Go to the next Op-Code
- //
- Location = (EFI_IFR_OP_HEADER *) ((CHAR8 *) (Location) + Location->Length);
- continue;
- } else {
- //
- // Copy the label
- //
- CopyMem (TempBuffer, Location, Location->Length);
- TempBuffer = TempBuffer + Location->Length;
- Location = (EFI_IFR_OP_HEADER *) ((CHAR8 *) (Location) + Location->Length);
-
- //
- // Remove the DataCount amount of opcodes unless we run into an end of form or a label
- //
- for (Index = 0; Index < Data->DataCount; Index++) {
- //
- // If we are about to skip an end form - bail out, since that is illegal
- //
- if ((Location->OpCode == EFI_IFR_END_FORM_OP) || (Location->OpCode == EFI_IFR_LABEL_OP)) {
- break;
- }
- //
- // By skipping Location entries, we are in effect not copying what was previously there
- //
- ((EFI_HII_PACKAGE_INSTANCE *) OrigTempBuffer)->IfrSize -= Location->Length;
- OtherBuffer = ((UINT8 *) &((EFI_HII_PACKAGE_INSTANCE *) OrigTempBuffer)->StringSize + sizeof (UINTN));
- CopyMem (OtherBuffer, &((EFI_HII_PACKAGE_INSTANCE *) OrigTempBuffer)->IfrSize, 2);
- Location = (EFI_IFR_OP_HEADER *) ((CHAR8 *) (Location) + Location->Length);
- }
- }
-
- default:
- CopyMem (TempBuffer, Location, Location->Length);
- TempBuffer = TempBuffer + Location->Length;
- break;
- }
- //
- // Go to the next Op-Code
- //
- Location = (EFI_IFR_OP_HEADER *) ((CHAR8 *) (Location) + Location->Length);
- }
- //
- // Copy the last op-code left behind from the for loop
- //
- CopyMem (TempBuffer, Location, Location->Length);
-
- //
- // Advance to beginning of strings and copy them
- //
- TempBuffer = TempBuffer + Location->Length;
- Location = (EFI_IFR_OP_HEADER *) ((CHAR8 *) (Location) + Location->Length);
- CopyMem (TempBuffer, Location, PackageInstance->StringSize);
-
- //
- // Free the old buffer, and assign into our database the latest buffer
- //
- FreePool (HandleDatabase->Buffer);
- HandleDatabase->Buffer = OrigTempBuffer;
-
- return EFI_SUCCESS;
-}
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