[edk2-devel] [edk2-staging][PATCH 1/3] edk2-staging/RedfishPkg: Add interface to get question default value
Chang, Abner via groups.io
abner.chang=amd.com at groups.io
Mon Dec 12 01:58:22 UTC 2022
[AMD Official Use Only - General]
Hi Nickle, comments in line.
> -----Original Message-----
> From: Nickle Wang <nicklew at nvidia.com>
> Sent: Wednesday, December 7, 2022 10:09 PM
> To: devel at edk2.groups.io
> Cc: Chang, Abner <Abner.Chang at amd.com>; Igor Kulchytskyy
> <igork at ami.com>; Nick Ramirez <nramirez at nvidia.com>
> Subject: [edk2-staging][PATCH 1/3] edk2-staging/RedfishPkg: Add interface to
> get question default value
>
> Caution: This message originated from an External Source. Use proper caution
> when opening attachments, clicking links, or responding.
>
>
> Implement GetQuestionDefault() in HiiUtilityLib. Caller can get question default
> value from this interface. GetQuestionDefault() is created and modifed from
> SetupBrowserDxe\Setup.c under MdeModulePkg.
>
> Signed-off-by: Nickle Wang <nicklew at nvidia.com>
> Cc: Abner Chang <abner.chang at amd.com>
> Cc: Igor Kulchytskyy <igork at ami.com>
> Cc: Nick Ramirez <nramirez at nvidia.com>
> ---
> RedfishPkg/Include/Library/HiiUtilityLib.h | 31 +-
> .../Library/HiiUtilityLib/HiiExpression.c | 77 +++
> .../Library/HiiUtilityLib/HiiExpression.h | 23 +
> .../HiiUtilityLib/HiiUtilityInternal.c | 614 ++++++++++++++++++
> 4 files changed, 728 insertions(+), 17 deletions(-)
>
> diff --git a/RedfishPkg/Include/Library/HiiUtilityLib.h
> b/RedfishPkg/Include/Library/HiiUtilityLib.h
> index 1f164ba49c..f4be485423 100644
> --- a/RedfishPkg/Include/Library/HiiUtilityLib.h
> +++ b/RedfishPkg/Include/Library/HiiUtilityLib.h
> @@ -3,6 +3,7 @@
>
> Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
> (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
> + Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
>
> SPDX-License-Identifier: BSD-2-Clause-Patent
>
> @@ -1168,28 +1169,24 @@ GetHiiExpressionDependency (
> );
>
> /**
> - Evaluate the result of a HII expression.
> -
> - If Expression is NULL, then ASSERT.
> + Get default value of question.
>
> - @param FormSet FormSet associated with this expression.
> - @param Form Form associated with this expression.
> - @param Expression Expression to be evaluated.
> + @param FormSet The form set.
> + @param Form The form.
> + @param Question The question.
> + @param DefaultId The Class of the default.
> + @param DefaultValue The default value of given question.
No [in, out] for the Doxygen parameter/
>
> - @retval EFI_SUCCESS The expression evaluated successfuly
> - @retval EFI_NOT_FOUND The Question which referenced by a
> QuestionId
> - could not be found.
> - @retval EFI_OUT_OF_RESOURCES There is not enough system memory to
> grow the
> - stack.
> - @retval EFI_ACCESS_DENIED The pop operation underflowed the stack
> - @retval EFI_INVALID_PARAMETER Syntax error with the Expression
> + @retval EFI_SUCCESS Question is reset to default value.
>
> **/
> EFI_STATUS
> -HpEvaluateHiiExpression (
> - IN HII_FORMSET *FormSet,
> - IN HII_FORM *Form,
> - IN OUT HII_EXPRESSION *Expression
> +GetQuestionDefault (
> + IN HII_FORMSET *FormSet,
> + IN HII_FORM *Form,
> + IN HII_STATEMENT *Question,
> + IN UINT16 DefaultId,
> + OUT HII_STATEMENT_VALUE *DefaultValue
> );
>
> #endif // _HII_UTILITY_LIB_
> diff --git a/RedfishPkg/Library/HiiUtilityLib/HiiExpression.c
> b/RedfishPkg/Library/HiiUtilityLib/HiiExpression.c
> index 7111b40acf..c6954587f5 100644
> --- a/RedfishPkg/Library/HiiUtilityLib/HiiExpression.c
> +++ b/RedfishPkg/Library/HiiUtilityLib/HiiExpression.c
> @@ -3,6 +3,7 @@
>
> Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
> (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
> + Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
>
> SPDX-License-Identifier: BSD-2-Clause-Patent
>
> @@ -1365,3 +1366,79 @@ GetHiiExpressionDependency (
> Done:
> return Status;
> }
> +
> +/**
> + Return the result of the expression list. Check the expression list
> +and
> + return the highest priority express result.
> + Priority: DisableIf > SuppressIf > GrayOutIf > FALSE
> +
> + @param ExpList The input expression list.
> + @param Evaluate Whether need to evaluate the expression first.
> + @param FormSet FormSet associated with this expression.
> + @param Form Form associated with this expression.
Just realize we don't have [in,out] for Doxygen @param throughout this file. Please just fix @params in the new added function. We can fix all others later.
> +
> + @retval EXPRESS_RESULT Return the higher priority express result.
> + DisableIf > SuppressIf > GrayOutIf >
> + FALSE
> +
> +**/
> +EXPRESS_RESULT
> +EvaluateExpressionList (
> + IN HII_EXPRESSION_LIST *ExpList,
> + IN BOOLEAN Evaluate,
> + IN HII_FORMSET *FormSet, OPTIONAL
> + IN HII_FORM *Form OPTIONAL
> + )
> +{
> + UINTN Index;
> + EXPRESS_RESULT ReturnVal;
> + EXPRESS_RESULT CompareOne;
> + EFI_STATUS Status;
> +
> + if (ExpList == NULL) {
> + return ExpressFalse;
> + }
> +
> + ASSERT (ExpList->Signature == HII_EXPRESSION_LIST_SIGNATURE); Index
> + = 0;
> +
> + //
> + // Check whether need to evaluate the expression first.
> + //
> + if (Evaluate) {
> + while (ExpList->Count > Index) {
> + Status = EvaluateHiiExpression (FormSet, Form, ExpList-
> >Expression[Index++]);
> + if (EFI_ERROR (Status)) {
> + return ExpressFalse;
> + }
> + }
> + }
> +
> + //
> + // Run the list of expressions.
> + //
> + ReturnVal = ExpressFalse;
> + for (Index = 0; Index < ExpList->Count; Index++) {
> + if (IsTrue (&ExpList->Expression[Index]->Result)) {
> + switch (ExpList->Expression[Index]->Type) {
> + case EFI_HII_EXPRESSION_SUPPRESS_IF:
> + CompareOne = ExpressSuppress;
> + break;
> +
> + case EFI_HII_EXPRESSION_GRAY_OUT_IF:
> + CompareOne = ExpressGrayOut;
> + break;
> +
> + case EFI_HII_EXPRESSION_DISABLE_IF:
> + CompareOne = ExpressDisable;
> + break;
> +
> + default:
> + return ExpressFalse;
> + }
> +
> + ReturnVal = ReturnVal < CompareOne ? CompareOne : ReturnVal;
> + }
> + }
> +
> + return ReturnVal;
> +}
> diff --git a/RedfishPkg/Library/HiiUtilityLib/HiiExpression.h
> b/RedfishPkg/Library/HiiUtilityLib/HiiExpression.h
> index e96c07b4de..25a3a44b48 100644
> --- a/RedfishPkg/Library/HiiUtilityLib/HiiExpression.h
> +++ b/RedfishPkg/Library/HiiUtilityLib/HiiExpression.h
> @@ -3,6 +3,7 @@
>
> Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
> (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
> + Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
>
> SPDX-License-Identifier: BSD-2-Clause-Patent
>
> @@ -187,4 +188,26 @@ PopScope (
> OUT UINT8 *Operand
> );
>
> +/**
> + Return the result of the expression list. Check the expression list
> +and
> + return the highest priority express result.
> + Priority: DisableIf > SuppressIf > GrayOutIf > FALSE
> +
> + @param ExpList The input expression list.
> + @param Evaluate Whether need to evaluate the expression first.
> + @param FormSet FormSet associated with this expression.
> + @param Form Form associated with this expression.
Same, [in,out] is miseed.
> +
> + @retval EXPRESS_RESULT Return the higher priority express result.
> + DisableIf > SuppressIf > GrayOutIf >
> + FALSE
> +
> +**/
> +EXPRESS_RESULT
> +EvaluateExpressionList (
> + IN HII_EXPRESSION_LIST *ExpList,
> + IN BOOLEAN Evaluate,
> + IN HII_FORMSET *FormSet, OPTIONAL
> + IN HII_FORM *Form OPTIONAL
> + );
> +
> #endif
> diff --git a/RedfishPkg/Library/HiiUtilityLib/HiiUtilityInternal.c
> b/RedfishPkg/Library/HiiUtilityLib/HiiUtilityInternal.c
> index 55b78315d1..b4dd61f360 100644
> --- a/RedfishPkg/Library/HiiUtilityLib/HiiUtilityInternal.c
> +++ b/RedfishPkg/Library/HiiUtilityLib/HiiUtilityInternal.c
> @@ -3,6 +3,7 @@
>
> Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
> (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
> + Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
>
> SPDX-License-Identifier: BSD-2-Clause-Patent
>
> @@ -5043,3 +5044,616 @@ Done:
>
> return Status;
> }
> +
> +/**
> + Set value of a data element in an Array by its Index.
> +
> + @param Array The data array.
> + @param Type Type of the data in this array.
> + @param Index Zero based index for data in this array.
> + @param Value The value to be set.
Same here.
> +
> +**/
> +VOID
> +SetArrayData (
> + IN VOID *Array,
> + IN UINT8 Type,
> + IN UINTN Index,
> + IN UINT64 Value
> + )
> +{
> + ASSERT (Array != NULL);
> +
> + switch (Type) {
> + case EFI_IFR_TYPE_NUM_SIZE_8:
> + *(((UINT8 *)Array) + Index) = (UINT8)Value;
> + break;
> +
> + case EFI_IFR_TYPE_NUM_SIZE_16:
> + *(((UINT16 *)Array) + Index) = (UINT16)Value;
> + break;
> +
> + case EFI_IFR_TYPE_NUM_SIZE_32:
> + *(((UINT32 *)Array) + Index) = (UINT32)Value;
> + break;
> +
> + case EFI_IFR_TYPE_NUM_SIZE_64:
> + *(((UINT64 *)Array) + Index) = (UINT64)Value;
> + break;
> +
> + default:
> + break;
> + }
> +}
> +
> +/**
> + Search an Option of a Question by its value.
> +
> + @param Question The Question
> + @param OptionValue Value for Option to be searched.
> +
> + @retval Pointer Pointer to the found Option.
> + @retval NULL Option not found.
> +
> +**/
> +HII_QUESTION_OPTION *
> +ValueToOption (
> + IN HII_STATEMENT *Question,
> + IN HII_STATEMENT_VALUE *OptionValue
> + )
> +{
> + LIST_ENTRY *Link;
> + HII_QUESTION_OPTION *Option;
> + EFI_HII_VALUE Data1;
> + EFI_HII_VALUE Data2;
> + INTN Result;
> + EFI_STATUS Status;
> +
> + Status = HiiStatementValueToHiiValue (OptionValue, &Data1);
> + ASSERT_EFI_ERROR (Status);
> +
> + Link = GetFirstNode (&Question->OptionListHead); while (!IsNull
> + (&Question->OptionListHead, Link)) {
> + Option = HII_QUESTION_OPTION_FROM_LINK (Link);
> +
> + Status = HiiStatementValueToHiiValue (&Option->Value, &Data2);
> + ASSERT_EFI_ERROR (Status);
> +
> + if ((CompareHiiValue (&Data1, &Data2, &Result, NULL) == EFI_SUCCESS) &&
> (Result == 0)) {
> + //
> + // Check the suppressif condition, only a valid option can be return.
> + //
> + if ((Option->SuppressExpression == NULL) ||
> + ((EvaluateExpressionList (Option->SuppressExpression, FALSE, NULL,
> NULL) == ExpressFalse)))
> + {
The open curly bracket should be at the end of condition check one line above.
Abner
> + return Option;
> + }
> + }
> +
> + Link = GetNextNode (&Question->OptionListHead, Link); }
> +
> + return NULL;
> +}
> +
> +/**
> + Find the point in the ConfigResp string for this question.
> +
> + @param Question The question.
> + @param ConfigResp Get ConfigResp string.
Same here. Please check all @param in the new added function in this file.
> +
> + @retval point to the offset where is for this question.
> +
> +**/
> +CHAR16 *
> +GetOffsetFromConfigResp (
> + IN HII_STATEMENT *Question,
> + IN CHAR16 *ConfigResp
> + )
> +{
> + CHAR16 *RequestElement;
> + CHAR16 *BlockData;
> +
> + //
> + // Type is EFI_HII_VARSTORE_NAME_VALUE.
> + //
> + if (Question->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) {
> + RequestElement = StrStr (ConfigResp, Question->VariableName);
> + if (RequestElement != NULL) {
> + //
> + // Skip the "VariableName=" field.
> + //
> + RequestElement += StrLen (Question->VariableName) + 1;
> + }
> +
> + return RequestElement;
> + }
> +
> + //
> + // Type is EFI_HII_VARSTORE_EFI_VARIABLE or
> + EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER
> + //
> +
> + //
> + // Convert all hex digits in ConfigResp to lower case before searching.
> + //
> + HiiToLower (ConfigResp);
> +
> + //
> + // 1. Directly use Question->BlockName to find.
> + //
> + RequestElement = StrStr (ConfigResp, Question->BlockName); if
> + (RequestElement != NULL) {
> + //
> + // Skip the "Question->BlockName&VALUE=" field.
> + //
> + RequestElement += StrLen (Question->BlockName) + StrLen (L"&VALUE=");
> + return RequestElement;
> + }
> +
> + //
> + // 2. Change all hex digits in Question->BlockName to lower and compare
> again.
> + //
> + BlockData = AllocateCopyPool (StrSize (Question->BlockName),
> + Question->BlockName); ASSERT (BlockData != NULL); HiiToLower
> + (BlockData); RequestElement = StrStr (ConfigResp, BlockData);
> + FreePool (BlockData);
> +
> + if (RequestElement != NULL) {
> + //
> + // Skip the "Question->BlockName&VALUE=" field.
> + //
> + RequestElement += StrLen (Question->BlockName) + StrLen
> + (L"&VALUE="); }
> +
> + return RequestElement;
> +}
> +
> +/**
> + Get Question default value from AltCfg string.
> +
> + @param FormSet The form set.
> + @param Form The form
> + @param Question The question.
> + @param DefaultValue Default value.
> +
> + @retval EFI_SUCCESS Question is reset to default value.
> +
> +**/
> +EFI_STATUS
> +GetDefaultValueFromAltCfg (
> + IN HII_FORMSET *FormSet,
> + IN HII_FORM *Form,
> + IN HII_STATEMENT *Question,
> + OUT HII_STATEMENT_VALUE *DefaultValue
> + )
> +{
> + HII_FORMSET_STORAGE *Storage;
> + CHAR16 *ConfigResp;
> + CHAR16 *Value;
> + LIST_ENTRY *Link;
> + HII_FORM_CONFIG_REQUEST *ConfigInfo;
> +
> + Storage = Question->Storage;
> + if ((Storage == NULL) || (Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE))
> {
> + return EFI_NOT_FOUND;
> + }
> +
> + //
> + // Try to get AltCfg string from form. If not found it, then // try
> + to get it from formset.
> + //
> + ConfigResp = NULL;
> + Link = GetFirstNode (&Form->ConfigRequestHead);
> + while (!IsNull (&Form->ConfigRequestHead, Link)) {
> + ConfigInfo = HII_FORM_CONFIG_REQUEST_FROM_LINK (Link);
> + Link = GetNextNode (&Form->ConfigRequestHead, Link);
> +
> + if (Storage == ConfigInfo->Storage) {
> + ConfigResp = ConfigInfo->ConfigAltResp;
> + break;
> + }
> + }
> +
> + if (ConfigResp == NULL) {
> + return EFI_NOT_FOUND;
> + }
> +
> + Value = GetOffsetFromConfigResp (Question, ConfigResp); if (Value ==
> + NULL) {
> + return EFI_NOT_FOUND;
> + }
> +
> + return BufferToValue (Question, Value, DefaultValue); }
> +
> +/**
> + Get default Id value used for browser.
> +
> + @param DefaultId The default id value used by hii.
> +
> + @retval Browser used default value.
> +
> +**/
> +INTN
> +GetDefaultIdForCallBack (
> + UINTN DefaultId
> + )
> +{
> + if (DefaultId == EFI_HII_DEFAULT_CLASS_STANDARD) {
> + return EFI_BROWSER_ACTION_DEFAULT_STANDARD;
> + } else if (DefaultId == EFI_HII_DEFAULT_CLASS_MANUFACTURING) {
> + return EFI_BROWSER_ACTION_DEFAULT_MANUFACTURING;
> + } else if (DefaultId == EFI_HII_DEFAULT_CLASS_SAFE) {
> + return EFI_BROWSER_ACTION_DEFAULT_SAFE;
> + } else if ((DefaultId >= EFI_HII_DEFAULT_CLASS_PLATFORM_BEGIN) &&
> (DefaultId < EFI_HII_DEFAULT_CLASS_PLATFORM_BEGIN + 0x1000)) {
> + return EFI_BROWSER_ACTION_DEFAULT_PLATFORM + DefaultId -
> +EFI_HII_DEFAULT_CLASS_PLATFORM_BEGIN;
> + } else if ((DefaultId >= EFI_HII_DEFAULT_CLASS_HARDWARE_BEGIN) &&
> (DefaultId < EFI_HII_DEFAULT_CLASS_HARDWARE_BEGIN + 0x1000)) {
> + return EFI_BROWSER_ACTION_DEFAULT_HARDWARE + DefaultId -
> +EFI_HII_DEFAULT_CLASS_HARDWARE_BEGIN;
> + } else if ((DefaultId >= EFI_HII_DEFAULT_CLASS_FIRMWARE_BEGIN) &&
> (DefaultId < EFI_HII_DEFAULT_CLASS_FIRMWARE_BEGIN + 0x1000)) {
> + return EFI_BROWSER_ACTION_DEFAULT_FIRMWARE + DefaultId -
> +EFI_HII_DEFAULT_CLASS_FIRMWARE_BEGIN;
> + } else {
> + return -1;
> + }
> +}
> +
> +/**
> + Get default value of question.
> +
> + @param FormSet The form set.
> + @param Form The form.
> + @param Question The question.
> + @param DefaultId The Class of the default.
> + @param DefaultValue The default value of given question.
> +
> + @retval EFI_SUCCESS Question is reset to default value.
> +
> +**/
> +EFI_STATUS
> +GetQuestionDefault (
> + IN HII_FORMSET *FormSet,
> + IN HII_FORM *Form,
> + IN HII_STATEMENT *Question,
> + IN UINT16 DefaultId,
> + OUT HII_STATEMENT_VALUE *DefaultValue
> + )
> +{
> + EFI_STATUS Status;
> + LIST_ENTRY *Link;
> + HII_QUESTION_DEFAULT *Default;
> + HII_QUESTION_OPTION *Option;
> + HII_STATEMENT_VALUE *HiiValue;
> + UINT8 Index;
> + EFI_STRING StrValue;
> + EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;
> + EFI_BROWSER_ACTION_REQUEST ActionRequest;
> + INTN Action;
> + EFI_IFR_TYPE_VALUE *TypeValue;
> + UINT16 OriginalDefaultId;
> + HII_FORMSET_DEFAULTSTORE *DefaultStore;
> + LIST_ENTRY *DefaultLink;
> +
> + if ((FormSet == NULL) || (Form == NULL) || (Question == NULL) ||
> (DefaultValue == NULL)) {
> + return EFI_INVALID_PARAMETER;
> + }
> +
> + Status = EFI_NOT_FOUND;
> + StrValue = NULL;
> + OriginalDefaultId = DefaultId;
> + DefaultLink = GetFirstNode (&FormSet->DefaultStoreListHead);
> +
> + //
> + // Statement don't have storage, skip them // if
> + (Question->QuestionId == 0) {
> + return Status;
> + }
> +
> + //
> + // There are Five ways to specify default value for a Question:
> + // 1, use call back function (highest priority)
> + // 2, use ExtractConfig function
> + // 3, use nested EFI_IFR_DEFAULT
> + // 4, set flags of EFI_ONE_OF_OPTION (provide Standard and
> +Manufacturing default)
> + // 5, set flags of EFI_IFR_CHECKBOX (provide Standard and
> +Manufacturing default) (lowest priority)
> + //
> + CopyMem (DefaultValue, &Question->Value, sizeof
> +(HII_STATEMENT_VALUE));
> +ReGetDefault:
> + HiiValue = DefaultValue;
> + TypeValue = &HiiValue->Value;
> + if (HiiValue->Type == EFI_IFR_TYPE_BUFFER) {
> + //
> + // For orderedlist, need to pass the BufferValue to Callback function.
> + //
> + DefaultValue->BufferLen = Question->Value.BufferLen;
> + DefaultValue->Buffer = AllocateZeroPool (DefaultValue->BufferLen);
> + ASSERT (DefaultValue->Buffer != NULL);
> + if (DefaultValue->Buffer == NULL) {
> + return EFI_OUT_OF_RESOURCES;
> + }
> +
> + TypeValue = (EFI_IFR_TYPE_VALUE *)DefaultValue->Buffer; }
> +
> + //
> + // Get Question defaut value from call back function.
> + // The string type of question cause HII driver to set string to its default value.
> + // So, we don't do this otherwise it will actually set question to default value.
> + // We only want to get default value of question.
> + //
> + if (HiiValue->Type != EFI_IFR_TYPE_STRING) {
> + ConfigAccess = FormSet->ConfigAccess;
> + Action = GetDefaultIdForCallBack (DefaultId);
> + if ((Action > 0) && ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) !=
> 0) && (ConfigAccess != NULL)) {
> + ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;
> + Status = ConfigAccess->Callback (
> + ConfigAccess,
> + Action,
> + Question->QuestionId,
> + HiiValue->Type,
> + TypeValue,
> + &ActionRequest
> + );
> + if (!EFI_ERROR (Status)) {
> + return Status;
> + }
> + }
> + }
> +
> + //
> + // Get default value from altcfg string.
> + //
> + if (ConfigAccess != NULL) {
> + Status = GetDefaultValueFromAltCfg (FormSet, Form, Question,
> DefaultValue);
> + if (!EFI_ERROR (Status)) {
> + return Status;
> + }
> + }
> +
> + //
> + // EFI_IFR_DEFAULT has highest priority // if (!IsListEmpty
> + (&Question->DefaultListHead)) {
> + Link = GetFirstNode (&Question->DefaultListHead);
> + while (!IsNull (&Question->DefaultListHead, Link)) {
> + Default = HII_QUESTION_DEFAULT_FROM_LINK (Link);
> +
> + if (Default->DefaultId == DefaultId) {
> + if (Default->ValueExpression != NULL) {
> + //
> + // Default is provided by an Expression, evaluate it
> + //
> + Status = EvaluateHiiExpression (FormSet, Form, Default-
> >ValueExpression);
> + if (EFI_ERROR (Status)) {
> + return Status;
> + }
> +
> + if (Default->ValueExpression->Result.Type == EFI_IFR_TYPE_BUFFER) {
> + ASSERT (HiiValue->Type == EFI_IFR_TYPE_BUFFER && DefaultValue-
> >Buffer != NULL);
> + if (DefaultValue->BufferLen > Default->ValueExpression-
> >Result.BufferLen) {
> + CopyMem (DefaultValue->Buffer, Default->ValueExpression-
> >Result.Buffer, Default->ValueExpression->Result.BufferLen);
> + DefaultValue->BufferLen = Default->ValueExpression-
> >Result.BufferLen;
> + } else {
> + CopyMem (DefaultValue->Buffer, Default->ValueExpression-
> >Result.Buffer, DefaultValue->BufferLen);
> + }
> +
> + FreePool (Default->ValueExpression->Result.Buffer);
> + }
> +
> + HiiValue->Type = Default->ValueExpression->Result.Type;
> + CopyMem (&HiiValue->Value, &Default->ValueExpression->Result.Value,
> sizeof (EFI_IFR_TYPE_VALUE));
> + } else {
> + //
> + // Default value is embedded in EFI_IFR_DEFAULT
> + //
> + if (Default->Value.Type == EFI_IFR_TYPE_BUFFER) {
> + ASSERT (HiiValue->Buffer != NULL);
> + CopyMem (HiiValue->Buffer, Default->Value.Buffer, Default-
> >Value.BufferLen);
> + } else {
> + CopyMem (HiiValue, &Default->Value, sizeof (EFI_HII_VALUE));
> + }
> + }
> +
> + if (HiiValue->Type == EFI_IFR_TYPE_STRING) {
> + StrValue = HiiGetString (FormSet->HiiHandle, HiiValue->Value.string,
> NULL);
> + if (StrValue == NULL) {
> + return EFI_NOT_FOUND;
> + }
> +
> + if (DefaultValue->BufferLen > StrSize (StrValue)) {
> + ZeroMem (DefaultValue->Buffer, DefaultValue->BufferLen);
> + CopyMem (DefaultValue->Buffer, StrValue, StrSize (StrValue));
> + } else {
> + CopyMem (DefaultValue->Buffer, StrValue, DefaultValue->BufferLen);
> + }
> + }
> +
> + return EFI_SUCCESS;
> + }
> +
> + Link = GetNextNode (&Question->DefaultListHead, Link);
> + }
> + }
> +
> + //
> + // EFI_ONE_OF_OPTION
> + //
> + if ((Question->Operand == EFI_IFR_ONE_OF_OP) && !IsListEmpty (&Question-
> >OptionListHead)) {
> + if (DefaultId <= EFI_HII_DEFAULT_CLASS_MANUFACTURING) {
> + //
> + // OneOfOption could only provide Standard and Manufacturing default
> + //
> + Link = GetFirstNode (&Question->OptionListHead);
> + while (!IsNull (&Question->OptionListHead, Link)) {
> + Option = HII_QUESTION_OPTION_FROM_LINK (Link);
> + Link = GetNextNode (&Question->OptionListHead, Link);
> +
> + if ((Option->SuppressExpression != NULL) &&
> + (EvaluateExpressionList (Option->SuppressExpression, FALSE, NULL,
> NULL) != ExpressFalse))
> + {
> + continue;
> + }
> +
> + if (((DefaultId == EFI_HII_DEFAULT_CLASS_STANDARD) && ((Option->Flags
> & EFI_IFR_OPTION_DEFAULT) != 0)) ||
> + ((DefaultId == EFI_HII_DEFAULT_CLASS_MANUFACTURING) &&
> ((Option->Flags & EFI_IFR_OPTION_DEFAULT_MFG) != 0))
> + )
> + {
> + CopyMem (HiiValue, &Option->Value, sizeof (EFI_HII_VALUE));
> +
> + return EFI_SUCCESS;
> + }
> + }
> + }
> + }
> +
> + //
> + // EFI_IFR_CHECKBOX - lowest priority // if (Question->Operand ==
> + EFI_IFR_CHECKBOX_OP) {
> + if (DefaultId <= EFI_HII_DEFAULT_CLASS_MANUFACTURING) {
> + //
> + // Checkbox could only provide Standard and Manufacturing default
> + //
> + if (((DefaultId == EFI_HII_DEFAULT_CLASS_STANDARD) && ((Question-
> >ExtraData.Flags & EFI_IFR_CHECKBOX_DEFAULT) != 0)) ||
> + ((DefaultId == EFI_HII_DEFAULT_CLASS_MANUFACTURING) &&
> ((Question->ExtraData.Flags & EFI_IFR_CHECKBOX_DEFAULT_MFG) != 0))
> + )
> + {
> + HiiValue->Value.b = TRUE;
> + }
> +
> + return EFI_SUCCESS;
> + }
> + }
> +
> + //
> + // For question without default value for current default Id, we try to re-get
> the default value form other default id in the DefaultStoreList.
> + // If get, will exit the function, if not, will choose next default id in the
> DefaultStoreList.
> + // The default id in DefaultStoreList are in ascending order to make sure
> choose the smallest default id every time.
> + //
> + while (!IsNull (&FormSet->DefaultStoreListHead, DefaultLink)) {
> + DefaultStore = HII_FORMSET_DEFAULTSTORE_FROM_LINK (DefaultLink);
> + DefaultLink = GetNextNode (&FormSet->DefaultStoreListHead, DefaultLink);
> + DefaultId = DefaultStore->DefaultId;
> + if (DefaultId == OriginalDefaultId) {
> + continue;
> + }
> +
> + goto ReGetDefault;
> + }
> +
> + //
> + // For Questions without default value for all the default id in the
> DefaultStoreList.
> + //
> + Status = EFI_NOT_FOUND;
> + switch (Question->Operand) {
> + case EFI_IFR_CHECKBOX_OP:
> + HiiValue->Value.b = FALSE;
> + Status = EFI_SUCCESS;
> + break;
> +
> + case EFI_IFR_NUMERIC_OP:
> + //
> + // Take minimum value as numeric default value
> + //
> + if ((Question->ExtraData.NumData.Flags & EFI_IFR_DISPLAY) == 0) {
> + //
> + // In EFI_IFR_DISPLAY_INT_DEC type, should check value with int* type.
> + //
> + switch (Question->ExtraData.NumData.Flags & EFI_IFR_NUMERIC_SIZE) {
> + case EFI_IFR_NUMERIC_SIZE_1:
> + if (((INT8)HiiValue->Value.u8 < (INT8)Question-
> >ExtraData.NumData.Minimum) || ((INT8)HiiValue->Value.u8 > (INT8)Question-
> >ExtraData.NumData.Maximum)) {
> + HiiValue->Value.u8 = (UINT8)Question->ExtraData.NumData.Minimum;
> + Status = EFI_SUCCESS;
> + }
> +
> + break;
> + case EFI_IFR_NUMERIC_SIZE_2:
> + if (((INT16)HiiValue->Value.u16 < (INT16)Question-
> >ExtraData.NumData.Minimum) || ((INT16)HiiValue->Value.u16 >
> (INT16)Question->ExtraData.NumData.Maximum)) {
> + HiiValue->Value.u16 = (UINT16)Question-
> >ExtraData.NumData.Minimum;
> + Status = EFI_SUCCESS;
> + }
> +
> + break;
> + case EFI_IFR_NUMERIC_SIZE_4:
> + if (((INT32)HiiValue->Value.u32 < (INT32)Question-
> >ExtraData.NumData.Minimum) || ((INT32)HiiValue->Value.u32 >
> (INT32)Question->ExtraData.NumData.Maximum)) {
> + HiiValue->Value.u32 = (UINT32)Question-
> >ExtraData.NumData.Minimum;
> + Status = EFI_SUCCESS;
> + }
> +
> + break;
> + case EFI_IFR_NUMERIC_SIZE_8:
> + if (((INT64)HiiValue->Value.u64 < (INT64)Question-
> >ExtraData.NumData.Minimum) || ((INT64)HiiValue->Value.u64 >
> (INT64)Question->ExtraData.NumData.Maximum)) {
> + HiiValue->Value.u64 = Question->ExtraData.NumData.Minimum;
> + Status = EFI_SUCCESS;
> + }
> +
> + break;
> + default:
> + break;
> + }
> + } else {
> + if ((HiiValue->Value.u64 < Question->ExtraData.NumData.Minimum) ||
> (HiiValue->Value.u64 > Question->ExtraData.NumData.Maximum)) {
> + HiiValue->Value.u64 = Question->ExtraData.NumData.Minimum;
> + Status = EFI_SUCCESS;
> + }
> + }
> +
> + break;
> +
> + case EFI_IFR_ONE_OF_OP:
> + //
> + // Take first oneof option as oneof's default value
> + //
> + if (ValueToOption (Question, HiiValue) == NULL) {
> + Link = GetFirstNode (&Question->OptionListHead);
> + while (!IsNull (&Question->OptionListHead, Link)) {
> + Option = HII_QUESTION_OPTION_FROM_LINK (Link);
> + Link = GetNextNode (&Question->OptionListHead, Link);
> +
> + if ((Option->SuppressExpression != NULL) &&
> + (EvaluateExpressionList (Option->SuppressExpression, FALSE, NULL,
> NULL) != ExpressFalse))
> + {
> + continue;
> + }
> +
> + CopyMem (HiiValue, &Option->Value, sizeof (EFI_HII_VALUE));
> + Status = EFI_SUCCESS;
> + break;
> + }
> + }
> +
> + break;
> +
> + case EFI_IFR_ORDERED_LIST_OP:
> + //
> + // Take option sequence in IFR as ordered list's default value
> + //
> + Index = 0;
> + Link = GetFirstNode (&Question->OptionListHead);
> + while (!IsNull (&Question->OptionListHead, Link)) {
> + Status = EFI_SUCCESS;
> + Option = HII_QUESTION_OPTION_FROM_LINK (Link);
> + Link = GetNextNode (&Question->OptionListHead, Link);
> +
> + if ((Option->SuppressExpression != NULL) &&
> + (EvaluateExpressionList (Option->SuppressExpression, FALSE, NULL,
> NULL) != ExpressFalse))
> + {
> + continue;
> + }
> +
> + SetArrayData (DefaultValue->Buffer, Question->Value.Type,
> + Index, Option->Value.Value.u64);
> +
> + Index++;
> + if (Index >= Question->ExtraData.OrderListData.MaxContainers) {
> + break;
> + }
> + }
> +
> + break;
> +
> + default:
> + break;
> + }
> +
> + return Status;
> +}
> --
> 2.38.1.windows.1
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