diff options
Diffstat (limited to 'EdkCompatibilityPkg/Foundation/Library/Dxe/EfiIfrSupportLib/IfrOnTheFly.c')
-rw-r--r-- | EdkCompatibilityPkg/Foundation/Library/Dxe/EfiIfrSupportLib/IfrOnTheFly.c | 974 |
1 files changed, 974 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Foundation/Library/Dxe/EfiIfrSupportLib/IfrOnTheFly.c b/EdkCompatibilityPkg/Foundation/Library/Dxe/EfiIfrSupportLib/IfrOnTheFly.c new file mode 100644 index 0000000000..51abde7cf0 --- /dev/null +++ b/EdkCompatibilityPkg/Foundation/Library/Dxe/EfiIfrSupportLib/IfrOnTheFly.c @@ -0,0 +1,974 @@ +/*++
+Copyright (c) 2004, 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:
+ IfrOnTheFly.c
+
+Abstract:
+
+ Library Routines to create IFR on-the-fly
+
+Revision History:
+
+--*/
+
+#include "IfrLibrary.h"
+
+EFI_STATUS
+CreateFormSet (
+ IN CHAR16 *FormSetTitle,
+ IN EFI_GUID *Guid,
+ IN UINT8 Class,
+ IN UINT8 SubClass,
+ IN OUT VOID **FormBuffer,
+ IN OUT VOID **StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a formset
+
+Arguments:
+
+ FormSetTitle - Title of formset
+
+ Guid - Guid of formset
+
+ Class - Class of formset
+
+ SubClass - Sub class of formset
+
+ FormBuffer - Pointer of the formset created
+
+ StringBuffer - Pointer of FormSetTitile string created
+
+Returns:
+
+ EFI_OUT_OF_RESOURCES - No enough buffer to allocate
+
+ EFI_SUCCESS - Formset successfully created
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_HII_IFR_PACK IfrPack;
+ EFI_IFR_FORM_SET FormSet;
+ EFI_IFR_END_FORM_SET EndFormSet;
+ UINT8 *Destination;
+ CHAR16 CurrentLanguage[4];
+ STRING_REF StringToken;
+
+ //
+ // Pre-allocate a buffer sufficient for us to work from.
+ //
+ FormBuffer = EfiLibAllocateZeroPool (DEFAULT_FORM_BUFFER_SIZE);
+ if (FormBuffer == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ //
+ // Pre-allocate a buffer sufficient for us to work from.
+ //
+ StringBuffer = EfiLibAllocateZeroPool (DEFAULT_STRING_BUFFER_SIZE);
+ if (StringBuffer == NULL) {
+ gBS->FreePool (FormBuffer);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ //
+ // Obtain current language value
+ //
+ GetCurrentLanguage (CurrentLanguage);
+
+ //
+ // Add the FormSetTitle to the string buffer and get the StringToken
+ //
+ Status = AddString (*StringBuffer, CurrentLanguage, FormSetTitle, &StringToken);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Initialize the Ifr Package header data
+ //
+ IfrPack.Header.Length = sizeof (EFI_HII_PACK_HEADER) + sizeof (EFI_IFR_FORM_SET) + sizeof (EFI_IFR_END_FORM_SET);
+ IfrPack.Header.Type = EFI_HII_IFR;
+
+ //
+ // Initialize FormSet with the appropriate information
+ //
+ FormSet.Header.OpCode = EFI_IFR_FORM_SET_OP;
+ FormSet.Header.Length = sizeof (EFI_IFR_FORM_SET);
+ FormSet.FormSetTitle = StringToken;
+ FormSet.Class = Class;
+ FormSet.SubClass = SubClass;
+ EfiCopyMem (&FormSet.Guid, Guid, sizeof (EFI_GUID));
+
+ //
+ // Initialize the end formset data
+ //
+ EndFormSet.Header.Length = sizeof (EFI_IFR_END_FORM_SET);
+ EndFormSet.Header.OpCode = EFI_IFR_END_FORM_SET_OP;
+
+ Destination = (CHAR8 *) *FormBuffer;
+
+ //
+ // Copy the formset/endformset data to the form buffer
+ //
+ EfiCopyMem (Destination, &IfrPack, sizeof (EFI_HII_PACK_HEADER));
+
+ Destination = Destination + sizeof (EFI_HII_PACK_HEADER);
+
+ EfiCopyMem (Destination, &FormSet, sizeof (EFI_IFR_FORM_SET));
+
+ Destination = Destination + sizeof (EFI_IFR_FORM_SET);
+
+ EfiCopyMem (Destination, &EndFormSet, sizeof (EFI_IFR_END_FORM_SET));
+ return EFI_SUCCESS;
+}
+
+
+EFI_STATUS
+CreateForm (
+ IN CHAR16 *FormTitle,
+ IN UINT16 FormId,
+ IN OUT VOID *FormBuffer,
+ IN OUT VOID *StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a form
+
+Arguments:
+
+ FormTitle - Title of the form
+
+ FormId - Id of the form
+
+ FormBuffer - Pointer of the form created
+
+ StringBuffer - Pointer of FormTitil string created
+
+Returns:
+
+ EFI_SUCCESS - Form successfully created
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_IFR_FORM Form;
+ EFI_IFR_END_FORM EndForm;
+ CHAR16 CurrentLanguage[4];
+ STRING_REF StringToken;
+
+ //
+ // Obtain current language value
+ //
+ GetCurrentLanguage (CurrentLanguage);
+
+ Status = AddString (StringBuffer, CurrentLanguage, FormTitle, &StringToken);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Form.Header.OpCode = EFI_IFR_FORM_OP;
+ Form.Header.Length = sizeof (EFI_IFR_FORM);
+ Form.FormId = FormId;
+ Form.FormTitle = StringToken;
+
+ Status = AddOpCode (FormBuffer, &Form);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ EndForm.Header.OpCode = EFI_IFR_END_FORM_OP;
+ EndForm.Header.Length = sizeof (EFI_IFR_END_FORM);
+
+ Status = AddOpCode (FormBuffer, &EndForm);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+EFI_STATUS
+CreateSubTitle (
+ IN CHAR16 *SubTitle,
+ IN OUT VOID *FormBuffer,
+ IN OUT VOID *StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a SubTitle
+
+Arguments:
+
+ SubTitle - Sub title to be created
+
+ FormBuffer - Where this subtitle to add to
+
+ StringBuffer - String buffer created for subtitle
+
+Returns:
+
+ EFI_SUCCESS - Subtitle successfully created
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_IFR_SUBTITLE Subtitle;
+ CHAR16 CurrentLanguage[4];
+ STRING_REF StringToken;
+
+ //
+ // Obtain current language value
+ //
+ GetCurrentLanguage (CurrentLanguage);
+
+ Status = AddString (StringBuffer, CurrentLanguage, SubTitle, &StringToken);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Subtitle.Header.OpCode = EFI_IFR_SUBTITLE_OP;
+ Subtitle.Header.Length = sizeof (EFI_IFR_SUBTITLE);
+ Subtitle.SubTitle = StringToken;
+
+ Status = AddOpCode (FormBuffer, &Subtitle);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+EFI_STATUS
+CreateText (
+ IN CHAR16 *String,
+ IN CHAR16 *String2,
+ IN CHAR16 *String3,
+ IN UINT8 Flags,
+ IN UINT16 Key,
+ IN OUT VOID *FormBuffer,
+ IN OUT VOID *StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a line of text
+
+Arguments:
+
+ String - First string of the text
+
+ String2 - Second string of the text
+
+ String3 - Help string of the text
+
+ Flags - Flag of the text
+
+ Key - Key of the text
+
+ FormBuffer - The form where this text adds to
+
+ StringBuffer - String buffer created for String, String2 and String3
+
+Returns:
+
+ EFI_SUCCESS - Text successfully created
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_IFR_TEXT Text;
+ CHAR16 CurrentLanguage[4];
+ STRING_REF StringToken;
+
+ //
+ // Obtain current language value
+ //
+ GetCurrentLanguage (CurrentLanguage);
+
+ //
+ // Add first string, get first string's token
+ //
+ Status = AddString (StringBuffer, CurrentLanguage, String, &StringToken);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Text.Header.OpCode = EFI_IFR_TEXT_OP;
+ Text.Header.Length = sizeof (EFI_IFR_TEXT);
+ Text.Text = StringToken;
+
+ //
+ // Add second string, get first string's token
+ //
+ Status = AddString (StringBuffer, CurrentLanguage, String2, &StringToken);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Text.TextTwo = StringToken;
+
+ Text.Flags = (UINT8) (Flags | EFI_IFR_FLAG_CREATED);
+ Text.Key = Key;
+
+ //
+ // Add second string, get first string's token
+ //
+ Status = AddString (StringBuffer, CurrentLanguage, String3, &StringToken);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Text.Help = StringToken;
+
+ Status = AddOpCode (FormBuffer, &Text);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+EFI_STATUS
+CreateGoto (
+ IN UINT16 FormId,
+ IN CHAR16 *Prompt,
+ IN OUT VOID *FormBuffer,
+ IN OUT VOID *StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a hyperlink
+
+Arguments:
+
+ FormId - Form ID of the hyperlink
+
+ Prompt - Prompt of the hyperlink
+
+ FormBuffer - The form where this hyperlink adds to
+
+ StringBuffer - String buffer created for Prompt
+
+Returns:
+
+ EFI_SUCCESS - Hyperlink successfully created
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_IFR_REF Hyperlink;
+ CHAR16 CurrentLanguage[4];
+ STRING_REF StringToken;
+
+ //
+ // Obtain current language value
+ //
+ GetCurrentLanguage (CurrentLanguage);
+
+ Status = AddString (StringBuffer, CurrentLanguage, Prompt, &StringToken);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Hyperlink.Header.OpCode = EFI_IFR_REF_OP;
+ Hyperlink.Header.Length = sizeof (EFI_IFR_REF);
+ Hyperlink.FormId = FormId;
+ Hyperlink.Prompt = StringToken;
+
+ Status = AddOpCode (FormBuffer, &Hyperlink);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+EFI_STATUS
+CreateOneOf (
+ IN UINT16 QuestionId,
+ IN UINT8 DataWidth,
+ IN CHAR16 *Prompt,
+ IN CHAR16 *Help,
+ IN IFR_OPTION *OptionsList,
+ IN UINTN OptionCount,
+ IN OUT VOID *FormBuffer,
+ IN OUT VOID *StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a one-of question with a set of options to choose from. The
+ OptionsList is a pointer to a null-terminated list of option descriptions.
+
+Arguments:
+
+ QuestionId - Question ID of the one-of box
+
+ DataWidth - DataWidth of the one-of box
+
+ Prompt - Prompt of the one-of box
+
+ Help - Help of the one-of box
+
+ OptionsList - Each string in it is an option of the one-of box
+
+ OptionCount - Option string count
+
+ FormBuffer - The form where this one-of box adds to
+
+ StringBuffer - String buffer created for Prompt, Help and Option strings
+
+Returns:
+
+ EFI_DEVICE_ERROR - DataWidth > 2
+
+ EFI_SUCCESS - One-Of box successfully created.
+
+--*/
+{
+ EFI_STATUS Status;
+ UINTN Index;
+ EFI_IFR_ONE_OF OneOf;
+ EFI_IFR_ONE_OF_OPTION OneOfOption;
+ EFI_IFR_END_ONE_OF EndOneOf;
+ CHAR16 CurrentLanguage[4];
+ STRING_REF StringToken;
+
+ //
+ // We do not create op-code storage widths for one-of in excess of 16 bits for now
+ //
+ if (DataWidth > 2) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ //
+ // Obtain current language value
+ //
+ GetCurrentLanguage (CurrentLanguage);
+
+ //
+ // Add first string, get first string's token
+ //
+ Status = AddString (StringBuffer, CurrentLanguage, Prompt, &StringToken);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ OneOf.Header.OpCode = EFI_IFR_ONE_OF_OP;
+ OneOf.Header.Length = sizeof (EFI_IFR_ONE_OF);
+ OneOf.QuestionId = QuestionId;
+ OneOf.Width = DataWidth;
+ OneOf.Prompt = StringToken;
+
+ //
+ // Add second string, get first string's token
+ //
+ Status = AddString (StringBuffer, CurrentLanguage, Help, &StringToken);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ OneOf.Help = StringToken;
+
+ Status = AddOpCode (FormBuffer, &OneOf);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ for (Index = 0; Index < OptionCount; Index++) {
+ OneOfOption.Header.OpCode = EFI_IFR_ONE_OF_OPTION_OP;
+ OneOfOption.Header.Length = sizeof (EFI_IFR_ONE_OF_OPTION);
+
+ //
+ // Add string and get token back
+ //
+ Status = AddString (StringBuffer, CurrentLanguage, OptionsList[Index].OptionString, &StringToken);
+
+ OneOfOption.Option = StringToken;
+ OneOfOption.Value = OptionsList[Index].Value;
+ OneOfOption.Flags = (UINT8) (OptionsList[Index].Flags | EFI_IFR_FLAG_CREATED);
+ OneOfOption.Key = OptionsList[Index].Key;
+
+ Status = AddOpCode (FormBuffer, &OneOfOption);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ }
+
+ EndOneOf.Header.Length = sizeof (EFI_IFR_END_ONE_OF);
+ EndOneOf.Header.OpCode = EFI_IFR_END_ONE_OF_OP;
+
+ Status = AddOpCode (FormBuffer, &EndOneOf);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+CreateOrderedList (
+ IN UINT16 QuestionId,
+ IN UINT8 MaxEntries,
+ IN CHAR16 *Prompt,
+ IN CHAR16 *Help,
+ IN IFR_OPTION *OptionsList,
+ IN UINTN OptionCount,
+ IN OUT VOID *FormBuffer,
+ IN OUT VOID *StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a one-of question with a set of options to choose from. The
+ OptionsList is a pointer to a null-terminated list of option descriptions.
+
+Arguments:
+
+ QuestionId - Question ID of the ordered list
+
+ MaxEntries - MaxEntries of the ordered list
+
+ Prompt - Prompt of the ordered list
+
+ Help - Help of the ordered list
+
+ OptionsList - Each string in it is an option of the ordered list
+
+ OptionCount - Option string count
+
+ FormBuffer - The form where this ordered list adds to
+
+ StringBuffer - String buffer created for Prompt, Help and Option strings
+
+Returns:
+
+ EFI_SUCCESS - Ordered list successfully created.
+
+--*/
+{
+ EFI_STATUS Status;
+ UINTN Index;
+ EFI_IFR_ORDERED_LIST OrderedList;
+ EFI_IFR_ONE_OF_OPTION OrderedListOption;
+ EFI_IFR_END_ONE_OF EndOrderedList;
+ CHAR16 CurrentLanguage[4];
+ STRING_REF StringToken;
+
+ //
+ // Obtain current language value
+ //
+ GetCurrentLanguage (CurrentLanguage);
+
+ //
+ // Add first string, get first string's token
+ //
+ Status = AddString (StringBuffer, CurrentLanguage, Prompt, &StringToken);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ OrderedList.Header.OpCode = EFI_IFR_ORDERED_LIST_OP;
+ OrderedList.Header.Length = sizeof (EFI_IFR_ORDERED_LIST);
+ OrderedList.QuestionId = QuestionId;
+ OrderedList.MaxEntries = MaxEntries;
+ OrderedList.Prompt = StringToken;
+
+ //
+ // Add second string, get first string's token
+ //
+ Status = AddString (StringBuffer, CurrentLanguage, Help, &StringToken);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ OrderedList.Help = StringToken;
+
+ Status = AddOpCode (FormBuffer, &OrderedList);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ for (Index = 0; Index < OptionCount; Index++) {
+ OrderedListOption.Header.OpCode = EFI_IFR_ONE_OF_OPTION_OP;
+ OrderedListOption.Header.Length = sizeof (EFI_IFR_ONE_OF_OPTION);
+
+ //
+ // Add string and get token back
+ //
+ Status = AddString (StringBuffer, CurrentLanguage, OptionsList[Index].OptionString, &StringToken);
+
+ OrderedListOption.Option = StringToken;
+ OrderedListOption.Value = OptionsList[Index].Value;
+ OrderedListOption.Flags = (UINT8) (OptionsList[Index].Flags | EFI_IFR_FLAG_CREATED);
+ OrderedListOption.Key = OptionsList[Index].Key;
+
+ Status = AddOpCode (FormBuffer, &OrderedListOption);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ }
+
+ EndOrderedList.Header.Length = sizeof (EFI_IFR_END_ONE_OF);
+ EndOrderedList.Header.OpCode = EFI_IFR_END_ONE_OF_OP;
+
+ Status = AddOpCode (FormBuffer, &EndOrderedList);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+EFI_STATUS
+CreateCheckBox (
+ IN UINT16 QuestionId,
+ IN UINT8 DataWidth,
+ IN CHAR16 *Prompt,
+ IN CHAR16 *Help,
+ IN UINT8 Flags,
+ IN OUT VOID *FormBuffer,
+ IN OUT VOID *StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a checkbox
+
+Arguments:
+
+ QuestionId - Question ID of the check box
+
+ DataWidth - DataWidth of the check box
+
+ Prompt - Prompt of the check box
+
+ Help - Help of the check box
+
+ Flags - Flags of the check box
+
+ FormBuffer - The form where this check box adds to
+
+ StringBuffer - String buffer created for Prompt and Help.
+
+Returns:
+
+ EFI_DEVICE_ERROR - DataWidth > 1
+
+ EFI_SUCCESS - Check box successfully created
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_IFR_CHECK_BOX CheckBox;
+ CHAR16 CurrentLanguage[4];
+ STRING_REF StringToken;
+
+ //
+ // We do not create op-code storage widths for checkbox in excess of 8 bits for now
+ //
+ if (DataWidth > 1) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ //
+ // Obtain current language value
+ //
+ GetCurrentLanguage (CurrentLanguage);
+
+ //
+ // Add first string, get first string's token
+ //
+ Status = AddString (StringBuffer, CurrentLanguage, Prompt, &StringToken);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ CheckBox.Header.OpCode = EFI_IFR_CHECKBOX_OP;
+ CheckBox.Header.Length = sizeof (EFI_IFR_CHECK_BOX);
+ CheckBox.QuestionId = QuestionId;
+ CheckBox.Width = DataWidth;
+ CheckBox.Prompt = StringToken;
+
+ //
+ // Add second string, get first string's token
+ //
+ Status = AddString (StringBuffer, CurrentLanguage, Help, &StringToken);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ CheckBox.Help = StringToken;
+ CheckBox.Flags = (UINT8) (Flags | EFI_IFR_FLAG_CREATED);
+
+ Status = AddOpCode (FormBuffer, &CheckBox);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+EFI_STATUS
+CreateNumeric (
+ IN UINT16 QuestionId,
+ IN UINT8 DataWidth,
+ IN CHAR16 *Prompt,
+ IN CHAR16 *Help,
+ IN UINT16 Minimum,
+ IN UINT16 Maximum,
+ IN UINT16 Step,
+ IN UINT16 Default,
+ IN UINT8 Flags,
+ IN UINT16 Key,
+ IN OUT VOID *FormBuffer,
+ IN OUT VOID *StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a numeric
+
+Arguments:
+
+ QuestionId - Question ID of the numeric
+
+ DataWidth - DataWidth of the numeric
+
+ Prompt - Prompt of the numeric
+
+ Help - Help of the numeric
+
+ Minimum - Minumun boundary of the numeric
+
+ Maximum - Maximum boundary of the numeric
+
+ Step - Step of the numeric
+
+ Default - Default value
+
+ Flags - Flags of the numeric
+
+ Key - Key of the numeric
+
+ FormBuffer - The form where this numeric adds to
+
+ StringBuffer - String buffer created for Prompt and Help.
+
+Returns:
+
+ EFI_DEVICE_ERROR - DataWidth > 2
+
+ EFI_SUCCESS - Numeric is successfully created
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_IFR_NUMERIC Numeric;
+ CHAR16 CurrentLanguage[4];
+ STRING_REF StringToken;
+
+ //
+ // We do not create op-code storage widths for numerics in excess of 16 bits for now
+ //
+ if (DataWidth > 2) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ //
+ // Obtain current language value
+ //
+ GetCurrentLanguage (CurrentLanguage);
+
+ //
+ // Add first string, get first string's token
+ //
+ Status = AddString (StringBuffer, CurrentLanguage, Prompt, &StringToken);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Numeric.Header.OpCode = EFI_IFR_NUMERIC_OP;
+ Numeric.Header.Length = sizeof (EFI_IFR_NUMERIC);
+ Numeric.QuestionId = QuestionId;
+ Numeric.Width = DataWidth;
+ Numeric.Prompt = StringToken;
+
+ //
+ // Add second string, get first string's token
+ //
+ Status = AddString (StringBuffer, CurrentLanguage, Help, &StringToken);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Numeric.Help = StringToken;
+ Numeric.Minimum = Minimum;
+ Numeric.Maximum = Maximum;
+ Numeric.Step = Step;
+ Numeric.Default = Default;
+ Numeric.Flags = (UINT8) (Flags | EFI_IFR_FLAG_CREATED);
+ Numeric.Key = Key;
+
+ Status = AddOpCode (FormBuffer, &Numeric);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+EFI_STATUS
+CreateString (
+ IN UINT16 QuestionId,
+ IN UINT8 DataWidth,
+ IN CHAR16 *Prompt,
+ IN CHAR16 *Help,
+ IN UINT8 MinSize,
+ IN UINT8 MaxSize,
+ IN UINT8 Flags,
+ IN UINT16 Key,
+ IN OUT VOID *FormBuffer,
+ IN OUT VOID *StringBuffer
+ )
+/*++
+
+Routine Description:
+
+ Create a string
+
+Arguments:
+
+ QuestionId - Question ID of the string
+
+ DataWidth - DataWidth of the string
+
+ Prompt - Prompt of the string
+
+ Help - Help of the string
+
+ MinSize - Min size boundary of the string
+
+ MaxSize - Max size boundary of the string
+
+ Flags - Flags of the string
+
+ Key - Key of the string
+
+ FormBuffer - The form where this string adds to
+
+ StringBuffer - String buffer created for Prompt and Help.
+
+Returns:
+
+ EFI_SUCCESS - String successfully created.
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_IFR_STRING String;
+ CHAR16 CurrentLanguage[4];
+ STRING_REF StringToken;
+
+ //
+ // Obtain current language value
+ //
+ GetCurrentLanguage (CurrentLanguage);
+
+ //
+ // Add first string, get first string's token
+ //
+ Status = AddString (StringBuffer, CurrentLanguage, Prompt, &StringToken);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ String.Header.OpCode = EFI_IFR_STRING_OP;
+ String.Header.Length = sizeof (EFI_IFR_STRING);
+ String.QuestionId = QuestionId;
+ String.Width = DataWidth;
+ String.Prompt = StringToken;
+
+ //
+ // Add second string, get first string's token
+ //
+ Status = AddString (StringBuffer, CurrentLanguage, Help, &StringToken);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ String.Help = StringToken;
+ String.MinSize = MinSize;
+ String.MaxSize = MaxSize;
+ String.Flags = (UINT8) (Flags | EFI_IFR_FLAG_CREATED);
+ String.Key = Key;
+
+ Status = AddOpCode (FormBuffer, &String);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+}
|