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-rw-r--r--EDK/Foundation/Library/Dxe/UefiEfiIfrSupportLib/UefiIfrOpCodeCreation.c638
1 files changed, 638 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/Dxe/UefiEfiIfrSupportLib/UefiIfrOpCodeCreation.c b/EDK/Foundation/Library/Dxe/UefiEfiIfrSupportLib/UefiIfrOpCodeCreation.c
new file mode 100644
index 0000000..e6b37b8
--- /dev/null
+++ b/EDK/Foundation/Library/Dxe/UefiEfiIfrSupportLib/UefiIfrOpCodeCreation.c
@@ -0,0 +1,638 @@
+/*++
+
+Copyright (c) 2007 - 2009, Intel Corporation
+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.
+
+Module Name:
+
+ UefiIfrOpCodeCreation.c
+
+Abstract:
+
+ Library Routines to create IFR independent of string data - assume tokens already exist
+ Primarily to be used for exporting op-codes at a label in pre-defined forms.
+
+Revision History:
+
+--*/
+
+#include "UefiIfrLibrary.h"
+
+EFI_GUID mIfrVendorGuid = EFI_IFR_TIANO_GUID;
+
+STATIC
+BOOLEAN
+IsValidQuestionFlags (
+ IN UINT8 Flags
+ )
+{
+ return (Flags & (~QUESTION_FLAGS)) ? FALSE : TRUE;
+}
+
+STATIC
+BOOLEAN
+IsValidValueType (
+ IN UINT8 Type
+ )
+{
+ return (Type <= EFI_IFR_TYPE_OTHER) ? TRUE : FALSE;
+}
+
+STATIC
+BOOLEAN
+IsValidNumricFlags (
+ IN UINT8 Flags
+ )
+{
+ if (Flags & ~(EFI_IFR_NUMERIC_SIZE | EFI_IFR_DISPLAY)) {
+ return FALSE;
+ }
+
+ if ((Flags & EFI_IFR_DISPLAY) > EFI_IFR_DISPLAY_UINT_HEX) {
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+STATIC
+BOOLEAN
+IsValidCheckboxFlags (
+ IN UINT8 Flags
+ )
+{
+ return (Flags <= EFI_IFR_CHECKBOX_DEFAULT_MFG) ? TRUE : FALSE;
+}
+
+EFI_STATUS
+CreateEndOpCode (
+ IN OUT EFI_HII_UPDATE_DATA *Data
+ )
+{
+ EFI_IFR_END End;
+ UINT8 *LocalBuffer;
+
+ ASSERT (Data != NULL && Data->Data != NULL);
+
+ if (Data->Offset + sizeof (EFI_IFR_END) > Data->BufferSize) {
+ return EFI_BUFFER_TOO_SMALL;
+ }
+
+ End.Header.Length = sizeof (EFI_IFR_END);
+ End.Header.OpCode = EFI_IFR_END_OP;
+ End.Header.Scope = 0;
+
+ LocalBuffer = (UINT8 *) Data->Data + Data->Offset;
+ EfiCopyMem (LocalBuffer, &End, sizeof (EFI_IFR_END));
+ Data->Offset += sizeof (EFI_IFR_END);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+CreateDefaultOpCode (
+ IN EFI_IFR_TYPE_VALUE *Value,
+ IN UINT8 Type,
+ IN OUT EFI_HII_UPDATE_DATA *Data
+ )
+{
+ EFI_IFR_DEFAULT Default;
+ UINT8 *LocalBuffer;
+
+ ASSERT (Data != NULL && Data->Data != NULL);
+
+ if ((Value == NULL) || !IsValidValueType (Type)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (Data->Offset + sizeof (EFI_IFR_DEFAULT) > Data->BufferSize) {
+ return EFI_BUFFER_TOO_SMALL;
+ }
+
+ Default.Header.OpCode = EFI_IFR_DEFAULT_OP;
+ Default.Header.Length = sizeof (EFI_IFR_DEFAULT);
+ Default.Header.Scope = 0;
+ Default.Type = Type;
+ Default.DefaultId = EFI_HII_DEFAULT_CLASS_STANDARD;
+ EfiCopyMem (&Default.Value, Value, sizeof(EFI_IFR_TYPE_VALUE));
+
+ LocalBuffer = (UINT8 *) Data->Data + Data->Offset;
+ EfiCopyMem (LocalBuffer, &Default, sizeof (EFI_IFR_DEFAULT));
+ Data->Offset += sizeof (EFI_IFR_DEFAULT);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+CreateActionOpCode (
+ IN EFI_QUESTION_ID QuestionId,
+ IN EFI_STRING_ID Prompt,
+ IN EFI_STRING_ID Help,
+ IN UINT8 QuestionFlags,
+ IN EFI_STRING_ID QuestionConfig,
+ IN OUT EFI_HII_UPDATE_DATA *Data
+ )
+{
+ EFI_IFR_ACTION Action;
+ UINT8 *LocalBuffer;
+
+ ASSERT (Data != NULL && Data->Data != NULL);
+
+ if (!IsValidQuestionFlags (QuestionFlags)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (Data->Offset + sizeof (EFI_IFR_ACTION) > Data->BufferSize) {
+ return EFI_BUFFER_TOO_SMALL;
+ }
+
+ Action.Header.OpCode = EFI_IFR_ACTION_OP;
+ Action.Header.Length = sizeof (EFI_IFR_ACTION);
+ Action.Header.Scope = 0;
+ Action.Question.QuestionId = QuestionId;
+ Action.Question.Header.Prompt = Prompt;
+ Action.Question.Header.Help = Help;
+ Action.Question.VarStoreId = INVALID_VARSTORE_ID;
+ Action.Question.Flags = QuestionFlags;
+ Action.QuestionConfig = QuestionConfig;
+
+ LocalBuffer = (UINT8 *) Data->Data + Data->Offset;
+ EfiCopyMem (LocalBuffer, &Action, sizeof (EFI_IFR_ACTION));
+ Data->Offset += sizeof (EFI_IFR_ACTION);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+CreateSubTitleOpCode (
+ IN EFI_STRING_ID Prompt,
+ IN EFI_STRING_ID Help,
+ IN UINT8 Flags,
+ IN UINT8 Scope,
+ IN OUT EFI_HII_UPDATE_DATA *Data
+ )
+{
+ EFI_IFR_SUBTITLE Subtitle;
+ UINT8 *LocalBuffer;
+
+ ASSERT (Data != NULL && Data->Data != NULL);
+
+ if (Data->Offset + sizeof (EFI_IFR_SUBTITLE) > Data->BufferSize) {
+ return EFI_BUFFER_TOO_SMALL;
+ }
+
+ Subtitle.Header.OpCode = EFI_IFR_SUBTITLE_OP;
+ Subtitle.Header.Length = sizeof (EFI_IFR_SUBTITLE);
+ Subtitle.Header.Scope = Scope;
+ Subtitle.Statement.Prompt = Prompt;
+ Subtitle.Statement.Help = Help;
+ Subtitle.Flags = Flags;
+
+ LocalBuffer = (UINT8 *) Data->Data + Data->Offset;
+ EfiCopyMem (LocalBuffer, &Subtitle, sizeof (EFI_IFR_SUBTITLE));
+ Data->Offset += sizeof (EFI_IFR_SUBTITLE);
+
+ return EFI_SUCCESS;
+}
+
+
+EFI_STATUS
+CreateTextOpCode (
+ IN EFI_STRING_ID Prompt,
+ IN EFI_STRING_ID Help,
+ IN EFI_STRING_ID TextTwo,
+ IN OUT EFI_HII_UPDATE_DATA *Data
+ )
+{
+ EFI_IFR_TEXT Text;
+ UINT8 *LocalBuffer;
+
+ ASSERT (Data != NULL && Data->Data != NULL);
+
+ if (Data->Offset + sizeof (EFI_IFR_TEXT) > Data->BufferSize) {
+ return EFI_BUFFER_TOO_SMALL;
+ }
+
+ Text.Header.OpCode = EFI_IFR_TEXT_OP;
+ Text.Header.Length = sizeof (EFI_IFR_TEXT);
+ Text.Header.Scope = 0;
+ Text.Statement.Prompt = Prompt;
+ Text.Statement.Help = Help;
+ Text.TextTwo = TextTwo;
+
+ LocalBuffer = (UINT8 *) Data->Data + Data->Offset;
+ EfiCopyMem (LocalBuffer, &Text, sizeof (EFI_IFR_TEXT));
+ Data->Offset += sizeof (EFI_IFR_TEXT);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+CreateGotoOpCode (
+ IN EFI_FORM_ID FormId,
+ IN EFI_STRING_ID Prompt,
+ IN EFI_STRING_ID Help,
+ IN UINT8 QuestionFlags,
+ IN EFI_QUESTION_ID QuestionId,
+ IN OUT EFI_HII_UPDATE_DATA *Data
+ )
+{
+ EFI_IFR_REF Goto;
+ UINT8 *LocalBuffer;
+
+ ASSERT (Data != NULL && Data->Data != NULL);
+
+ if (!IsValidQuestionFlags (QuestionFlags)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (Data->Offset + sizeof (EFI_IFR_REF) > Data->BufferSize) {
+ return EFI_BUFFER_TOO_SMALL;
+ }
+
+ Goto.Header.OpCode = EFI_IFR_REF_OP;
+ Goto.Header.Length = sizeof (EFI_IFR_REF);
+ Goto.Header.Scope = 0;
+ Goto.Question.Header.Prompt = Prompt;
+ Goto.Question.Header.Help = Help;
+ Goto.Question.VarStoreId = INVALID_VARSTORE_ID;
+ Goto.Question.QuestionId = QuestionId;
+ Goto.Question.Flags = QuestionFlags;
+ Goto.FormId = FormId;
+
+ LocalBuffer = (UINT8 *) Data->Data + Data->Offset;
+ EfiCopyMem (LocalBuffer, &Goto, sizeof (EFI_IFR_REF));
+ Data->Offset += sizeof (EFI_IFR_REF);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+CreateOneOfOptionOpCode (
+ IN UINTN OptionCount,
+ IN IFR_OPTION *OptionsList,
+ IN UINT8 Type,
+ IN OUT EFI_HII_UPDATE_DATA *Data
+ )
+{
+ UINTN Index;
+ UINT8 *LocalBuffer;
+ EFI_IFR_ONE_OF_OPTION OneOfOption;
+
+ ASSERT (Data != NULL && Data->Data != NULL);
+
+ if ((OptionCount != 0) && (OptionsList == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (Data->Offset + OptionCount * sizeof (EFI_IFR_ONE_OF_OPTION) > Data->BufferSize) {
+ return EFI_BUFFER_TOO_SMALL;
+ }
+
+ for (Index = 0; Index < OptionCount; Index++) {
+ OneOfOption.Header.OpCode = EFI_IFR_ONE_OF_OPTION_OP;
+ OneOfOption.Header.Length = sizeof (EFI_IFR_ONE_OF_OPTION);
+ OneOfOption.Header.Scope = 0;
+
+ OneOfOption.Option = OptionsList[Index].StringToken;
+ OneOfOption.Value = OptionsList[Index].Value;
+ OneOfOption.Flags = OptionsList[Index].Flags & (EFI_IFR_OPTION_DEFAULT | EFI_IFR_OPTION_DEFAULT_MFG);
+ OneOfOption.Type = Type;
+
+ LocalBuffer = (UINT8 *) Data->Data + Data->Offset;
+ EfiCopyMem (LocalBuffer, &OneOfOption, sizeof (EFI_IFR_ONE_OF_OPTION));
+ Data->Offset += sizeof (EFI_IFR_ONE_OF_OPTION);
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+CreateOneOfOpCode (
+ IN EFI_QUESTION_ID QuestionId,
+ IN EFI_VARSTORE_ID VarStoreId,
+ IN UINT16 VarOffset,
+ IN EFI_STRING_ID Prompt,
+ IN EFI_STRING_ID Help,
+ IN UINT8 QuestionFlags,
+ IN UINT8 OneOfFlags,
+ IN IFR_OPTION *OptionsList,
+ IN UINTN OptionCount,
+ IN OUT EFI_HII_UPDATE_DATA *Data
+ )
+{
+ UINTN Length;
+ EFI_IFR_ONE_OF OneOf;
+ UINT8 *LocalBuffer;
+
+ ASSERT (Data != NULL && Data->Data != NULL);
+
+ if (!IsValidNumricFlags (OneOfFlags) ||
+ !IsValidQuestionFlags (QuestionFlags) ||
+ ((OptionCount != 0) && (OptionsList == NULL))) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Length = sizeof (EFI_IFR_ONE_OF) + OptionCount * sizeof (EFI_IFR_ONE_OF_OPTION) + sizeof (EFI_IFR_END);
+ if (Data->Offset + Length > Data->BufferSize) {
+ return EFI_BUFFER_TOO_SMALL;
+ }
+
+ OneOf.Header.OpCode = EFI_IFR_ONE_OF_OP;
+ OneOf.Header.Length = sizeof (EFI_IFR_ONE_OF);
+ OneOf.Header.Scope = 1;
+ OneOf.Question.Header.Prompt = Prompt;
+ OneOf.Question.Header.Help = Help;
+ OneOf.Question.QuestionId = QuestionId;
+ OneOf.Question.VarStoreId = VarStoreId;
+ OneOf.Question.VarStoreInfo.VarOffset = VarOffset;
+ OneOf.Question.Flags = QuestionFlags;
+ OneOf.Flags = OneOfFlags;
+ EfiZeroMem ((VOID *) &OneOf.data, sizeof (MINMAXSTEP_DATA));
+
+ LocalBuffer = (UINT8 *) Data->Data + Data->Offset;
+ EfiCopyMem (LocalBuffer, &OneOf, sizeof (EFI_IFR_ONE_OF));
+ Data->Offset += sizeof (EFI_IFR_ONE_OF);
+
+ CreateOneOfOptionOpCode (OptionCount, OptionsList, (OneOfFlags & EFI_IFR_NUMERIC_SIZE), Data);
+
+ CreateEndOpCode (Data);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+CreateOrderedListOpCode (
+ IN EFI_QUESTION_ID QuestionId,
+ IN EFI_VARSTORE_ID VarStoreId,
+ IN UINT16 VarOffset,
+ IN EFI_STRING_ID Prompt,
+ IN EFI_STRING_ID Help,
+ IN UINT8 QuestionFlags,
+ IN UINT8 OrderedListFlags,
+ IN UINT8 DataType,
+ IN UINT8 MaxContainers,
+ IN IFR_OPTION *OptionsList,
+ IN UINTN OptionCount,
+ IN OUT EFI_HII_UPDATE_DATA *Data
+ )
+{
+ UINTN Length;
+ EFI_IFR_ORDERED_LIST OrderedList;
+ UINT8 *LocalBuffer;
+
+ ASSERT (Data != NULL && Data->Data != NULL);
+
+ if (!IsValidQuestionFlags (QuestionFlags) ||
+ ((OptionCount != 0) && (OptionsList == NULL))) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if ((OrderedListFlags & (~(EFI_IFR_UNIQUE_SET | EFI_IFR_NO_EMPTY_SET))) != 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Length = sizeof (EFI_IFR_ORDERED_LIST) + OptionCount * sizeof (EFI_IFR_ONE_OF_OPTION) + sizeof (EFI_IFR_END);
+ if (Data->Offset + Length > Data->BufferSize) {
+ return EFI_BUFFER_TOO_SMALL;
+ }
+
+ OrderedList.Header.OpCode = EFI_IFR_ORDERED_LIST_OP;
+ OrderedList.Header.Length = sizeof (EFI_IFR_ORDERED_LIST);
+ OrderedList.Header.Scope = 1;
+ OrderedList.Question.Header.Prompt = Prompt;
+ OrderedList.Question.Header.Help = Help;
+ OrderedList.Question.QuestionId = QuestionId;
+ OrderedList.Question.VarStoreId = VarStoreId;
+ OrderedList.Question.VarStoreInfo.VarOffset = VarOffset;
+ OrderedList.Question.Flags = QuestionFlags;
+ OrderedList.MaxContainers = MaxContainers;
+ OrderedList.Flags = OrderedListFlags;
+
+ LocalBuffer = (UINT8 *) Data->Data + Data->Offset;
+ EfiCopyMem (LocalBuffer, &OrderedList, sizeof (EFI_IFR_ORDERED_LIST));
+ Data->Offset += sizeof (EFI_IFR_ORDERED_LIST);
+
+ CreateOneOfOptionOpCode (OptionCount, OptionsList, DataType, Data);
+
+ CreateEndOpCode (Data);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+CreateCheckBoxOpCode (
+ IN EFI_QUESTION_ID QuestionId,
+ IN EFI_VARSTORE_ID VarStoreId,
+ IN UINT16 VarOffset,
+ IN EFI_STRING_ID Prompt,
+ IN EFI_STRING_ID Help,
+ IN UINT8 QuestionFlags,
+ IN UINT8 CheckBoxFlags,
+ IN OUT EFI_HII_UPDATE_DATA *Data
+ )
+{
+ EFI_IFR_CHECKBOX CheckBox;
+ UINT8 *LocalBuffer;
+
+ ASSERT (Data != NULL && Data->Data != NULL);
+
+ if (!IsValidQuestionFlags (QuestionFlags) || !IsValidCheckboxFlags (CheckBoxFlags)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (Data->Offset + sizeof (EFI_IFR_CHECKBOX) > Data->BufferSize) {
+ return EFI_BUFFER_TOO_SMALL;
+ }
+
+ CheckBox.Header.OpCode = EFI_IFR_CHECKBOX_OP;
+ CheckBox.Header.Length = sizeof (EFI_IFR_CHECKBOX);
+ CheckBox.Header.Scope = 0;
+ CheckBox.Question.QuestionId = QuestionId;
+ CheckBox.Question.VarStoreId = VarStoreId;
+ CheckBox.Question.VarStoreInfo.VarOffset = VarOffset;
+ CheckBox.Question.Header.Prompt = Prompt;
+ CheckBox.Question.Header.Help = Help;
+ CheckBox.Question.Flags = QuestionFlags;
+ CheckBox.Flags = CheckBoxFlags;
+
+ LocalBuffer = (UINT8 *) Data->Data + Data->Offset;
+ EfiCopyMem (LocalBuffer, &CheckBox, sizeof (EFI_IFR_CHECKBOX));
+ Data->Offset += sizeof (EFI_IFR_CHECKBOX);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+CreateNumericOpCode (
+ IN EFI_QUESTION_ID QuestionId,
+ IN EFI_VARSTORE_ID VarStoreId,
+ IN UINT16 VarOffset,
+ IN EFI_STRING_ID Prompt,
+ IN EFI_STRING_ID Help,
+ IN UINT8 QuestionFlags,
+ IN UINT8 NumericFlags,
+ IN UINT64 Minimum,
+ IN UINT64 Maximum,
+ IN UINT64 Step,
+ IN UINT64 Default,
+ IN OUT EFI_HII_UPDATE_DATA *Data
+ )
+{
+ UINTN Length;
+ EFI_STATUS Status;
+ EFI_IFR_NUMERIC Numeric;
+ MINMAXSTEP_DATA MinMaxStep;
+ EFI_IFR_TYPE_VALUE DefaultValue;
+ UINT8 *LocalBuffer;
+
+ ASSERT (Data != NULL && Data->Data != NULL);
+
+ if (!IsValidQuestionFlags (QuestionFlags) || !IsValidNumricFlags (NumericFlags)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Length = sizeof (EFI_IFR_NUMERIC) + sizeof (EFI_IFR_DEFAULT) + sizeof (EFI_IFR_END);
+ if (Data->Offset + sizeof (EFI_IFR_CHECKBOX) > Data->BufferSize) {
+ return EFI_BUFFER_TOO_SMALL;
+ }
+
+ Numeric.Header.OpCode = EFI_IFR_NUMERIC_OP;
+ Numeric.Header.Length = sizeof (EFI_IFR_NUMERIC);
+ Numeric.Header.Scope = 1;
+ Numeric.Question.QuestionId = QuestionId;
+ Numeric.Question.VarStoreId = VarStoreId;
+ Numeric.Question.VarStoreInfo.VarOffset = VarOffset;
+ Numeric.Question.Header.Prompt = Prompt;
+ Numeric.Question.Header.Help = Help;
+ Numeric.Question.Flags = QuestionFlags;
+ Numeric.Flags = NumericFlags;
+
+ switch (NumericFlags & EFI_IFR_NUMERIC_SIZE) {
+ case EFI_IFR_NUMERIC_SIZE_1:
+ MinMaxStep.u8.MinValue = (UINT8) Minimum;
+ MinMaxStep.u8.MaxValue = (UINT8) Maximum;
+ MinMaxStep.u8.Step = (UINT8) Step;
+ break;
+
+ case EFI_IFR_NUMERIC_SIZE_2:
+ MinMaxStep.u16.MinValue = (UINT16) Minimum;
+ MinMaxStep.u16.MaxValue = (UINT16) Maximum;
+ MinMaxStep.u16.Step = (UINT16) Step;
+ break;
+
+ case EFI_IFR_NUMERIC_SIZE_4:
+ MinMaxStep.u32.MinValue = (UINT32) Minimum;
+ MinMaxStep.u32.MaxValue = (UINT32) Maximum;
+ MinMaxStep.u32.Step = (UINT32) Step;
+ break;
+
+ case EFI_IFR_NUMERIC_SIZE_8:
+ MinMaxStep.u64.MinValue = Minimum;
+ MinMaxStep.u64.MaxValue = Maximum;
+ MinMaxStep.u64.Step = Step;
+ break;
+ }
+
+ EfiCopyMem (&Numeric.data, &MinMaxStep, sizeof (MINMAXSTEP_DATA));
+
+ LocalBuffer = (UINT8 *) Data->Data + Data->Offset;
+ EfiCopyMem (LocalBuffer, &Numeric, sizeof (EFI_IFR_NUMERIC));
+ Data->Offset += sizeof (EFI_IFR_NUMERIC);
+
+ DefaultValue.u64 = Default;
+ Status = CreateDefaultOpCode (&DefaultValue, (NumericFlags & EFI_IFR_NUMERIC_SIZE), Data);
+ if (EFI_ERROR(Status)) {
+ return Status;
+ }
+
+ CreateEndOpCode (Data);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+CreateStringOpCode (
+ IN EFI_QUESTION_ID QuestionId,
+ IN EFI_VARSTORE_ID VarStoreId,
+ IN UINT16 VarOffset,
+ IN EFI_STRING_ID Prompt,
+ IN EFI_STRING_ID Help,
+ IN UINT8 QuestionFlags,
+ IN UINT8 StringFlags,
+ IN UINT8 MinSize,
+ IN UINT8 MaxSize,
+ IN OUT EFI_HII_UPDATE_DATA *Data
+ )
+{
+ EFI_IFR_STRING String;
+ UINT8 *LocalBuffer;
+
+ ASSERT (Data != NULL && Data->Data != NULL);
+
+ if (!IsValidQuestionFlags (QuestionFlags) || (StringFlags & (~EFI_IFR_STRING_MULTI_LINE))) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (Data->Offset + sizeof (EFI_IFR_STRING) > Data->BufferSize) {
+ return EFI_BUFFER_TOO_SMALL;
+ }
+
+ String.Header.OpCode = EFI_IFR_STRING_OP;
+ String.Header.Length = sizeof (EFI_IFR_STRING);
+ String.Header.Scope = 0;
+ String.Question.Header.Prompt = Prompt;
+ String.Question.Header.Help = Help;
+ String.Question.QuestionId = QuestionId;
+ String.Question.VarStoreId = VarStoreId;
+ String.Question.VarStoreInfo.VarOffset = VarOffset;
+ String.Question.Flags = QuestionFlags;
+ String.MinSize = MinSize;
+ String.MaxSize = MaxSize;
+ String.Flags = StringFlags;
+
+ LocalBuffer = (UINT8 *) Data->Data + Data->Offset;
+ EfiCopyMem (LocalBuffer, &String, sizeof (EFI_IFR_STRING));
+ Data->Offset += sizeof (EFI_IFR_STRING);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+CreateBannerOpCode (
+ IN EFI_STRING_ID Title,
+ IN UINT16 LineNumber,
+ IN UINT8 Alignment,
+ IN OUT EFI_HII_UPDATE_DATA *Data
+ )
+{
+ EFI_IFR_GUID_BANNER Banner;
+ UINT8 *LocalBuffer;
+
+ ASSERT (Data != NULL && Data->Data != NULL);
+
+ if (Data->Offset + sizeof (EFI_IFR_GUID_BANNER) > Data->BufferSize) {
+ return EFI_BUFFER_TOO_SMALL;
+ }
+
+ Banner.Header.OpCode = EFI_IFR_GUID_OP;
+ Banner.Header.Length = sizeof (EFI_IFR_GUID_BANNER);
+ Banner.Header.Scope = 0;
+ EfiCopyMem (&Banner.Guid, &mIfrVendorGuid, sizeof (EFI_IFR_GUID));
+ Banner.ExtendOpCode = EFI_IFR_EXTEND_OP_BANNER;
+ Banner.Title = Title;
+ Banner.LineNumber = LineNumber;
+ Banner.Alignment = Alignment;
+
+ LocalBuffer = (UINT8 *) Data->Data + Data->Offset;
+ EfiCopyMem (LocalBuffer, &Banner, sizeof (EFI_IFR_GUID_BANNER));
+ Data->Offset += sizeof (EFI_IFR_GUID_BANNER);
+
+ return EFI_SUCCESS;
+}