tyler.durden
/
audk
mirror of https://github.com/acidanthera/audk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
audk/EdkCompatibilityPkg/Compatibility/FrameworkHiiToUefiHiiThunk/UefiIfrDefault.c

552 lines
17 KiB
C
Raw Blame History

/** @file
Function and Macro defintions for to extract default values from UEFI Form package.
Copyright (c) 2008, 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.
**/
#include "HiiDatabase.h"
#include "UefiIfrParser.h"
#include "UefiIfrDefault.h"
//
// Extern Variables
//
extern CONST EFI_HII_DATABASE_PROTOCOL *mHiiDatabase;
extern CONST EFI_HII_IMAGE_PROTOCOL *mHiiImageProtocol;
extern CONST EFI_HII_STRING_PROTOCOL *mHiiStringProtocol;
extern CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *mHiiConfigRoutingProtocol;
/**
Set the data position at Offset with Width in Node->Buffer based
the value passed in.
@param Node The Buffer Storage Node.
@param Value The input value.
@param Offset The offset in Node->Buffer for the update.
@param Width The length of the Value.
@retval VOID
**/
VOID
SetNodeBuffer (
OUT UEFI_IFR_BUFFER_STORAGE_NODE *Node,
IN CONST EFI_HII_VALUE *Value,
IN UINTN Offset,
IN UINTN Width
)
{
ASSERT (Node->Signature == UEFI_IFR_BUFFER_STORAGE_NODE_SIGNATURE);
ASSERT (Offset + Width <= Node->Size);
CopyMem (Node->Buffer + Offset, &Value->Value.u8, Width);
}
/**
Reset Question to its default value.
Note Framework 0.92's HII Implementation does not support for default value for these opcodes:
EFI_IFR_ORDERED_LIST_OP:
EFI_IFR_PASSWORD_OP:
EFI_IFR_STRING_OP:
@param FormSet FormSet data structure.
@param DefaultId The Class of the default.
@retval EFI_SUCCESS Question is reset to default value.
**/
EFI_STATUS
GetQuestionDefault (
IN FORM_BROWSER_FORMSET *FormSet,
IN FORM_BROWSER_FORM *Form,
IN FORM_BROWSER_STATEMENT *Question,
IN UINT16 DefaultId,
IN UINT16 VarStoreId,
OUT UEFI_IFR_BUFFER_STORAGE_NODE *Node
)
{
EFI_STATUS Status;
LIST_ENTRY *Link;
QUESTION_DEFAULT *Default;
QUESTION_OPTION *Option;
EFI_HII_VALUE *HiiValue;
Status = EFI_SUCCESS;
//
// Statement don't have storage, skip them
//
if (Question->QuestionId == 0) {
return Status;
}
if (Question->VarStoreId != VarStoreId) {
return Status;
}
ASSERT (Question->Storage->Type == EFI_HII_VARSTORE_BUFFER);
//
// There are three ways to specify default value for a Question:
// 1, use nested EFI_IFR_DEFAULT (highest priority)
// 2, set flags of EFI_ONE_OF_OPTION (provide Standard and Manufacturing default)
// 3, set flags of EFI_IFR_CHECKBOX (provide Standard and Manufacturing default) (lowest priority)
//
HiiValue = &Question->HiiValue;
//
// EFI_IFR_DEFAULT has highest priority
//
if (!IsListEmpty (&Question->DefaultListHead)) {
Link = GetFirstNode (&Question->DefaultListHead);
while (!IsNull (&Question->DefaultListHead, Link)) {
Default = QUESTION_DEFAULT_FROM_LINK (Link);
if (Default->DefaultId == DefaultId) {
//
// Default value is embedded in EFI_IFR_DEFAULT
//
CopyMem (HiiValue, &Default->Value, sizeof (EFI_HII_VALUE));
SetNodeBuffer (Node, HiiValue, Question->VarStoreInfo.VarOffset, Question->StorageWidth);
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 = QUESTION_OPTION_FROM_LINK (Link);
if (((DefaultId == EFI_HII_DEFAULT_CLASS_STANDARD) && (Option->Flags & EFI_IFR_OPTION_DEFAULT)) ||
((DefaultId == EFI_HII_DEFAULT_CLASS_MANUFACTURING) && (Option->Flags & EFI_IFR_OPTION_DEFAULT_MFG))
) {
CopyMem (HiiValue, &Option->Value, sizeof (EFI_HII_VALUE));
SetNodeBuffer (Node, HiiValue, Question->VarStoreInfo.VarOffset, Question->StorageWidth);
return EFI_SUCCESS;
}
Link = GetNextNode (&Question->OptionListHead, Link);
}
}
}
//
// 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->Flags & EFI_IFR_CHECKBOX_DEFAULT)) ||
((DefaultId == EFI_HII_DEFAULT_CLASS_MANUFACTURING) && (Question->Flags & EFI_IFR_CHECKBOX_DEFAULT_MFG))
) {
HiiValue->Value.b = TRUE;
} else {
HiiValue->Value.b = FALSE;
}
SetNodeBuffer (Node, HiiValue, Question->VarStoreInfo.VarOffset, Question->StorageWidth);
return EFI_SUCCESS;
}
}
return Status;
}
/**
Reset Questions in a Form to their default value.
@param FormSet FormSet data structure.
@param Form The Form which to be reset.
@param DefaultId The Class of the default.
@retval EFI_SUCCESS The function completed successfully.
**/
EFI_STATUS
ExtractFormDefault (
IN FORM_BROWSER_FORMSET *FormSet,
IN FORM_BROWSER_FORM *Form,
IN UINT16 DefaultId,
IN UINT16 VarStoreId,
OUT UEFI_IFR_BUFFER_STORAGE_NODE *Node
)
{
EFI_STATUS Status;
LIST_ENTRY *Link;
FORM_BROWSER_STATEMENT *Question;
Link = GetFirstNode (&Form->StatementListHead);
while (!IsNull (&Form->StatementListHead, Link)) {
Question = FORM_BROWSER_STATEMENT_FROM_LINK (Link);
//
// Reset Question to its default value
//
Status = GetQuestionDefault (FormSet, Form, Question, DefaultId, VarStoreId, Node);
if (EFI_ERROR (Status)) {
continue;
}
Link = GetNextNode (&Form->StatementListHead, Link);
}
return EFI_SUCCESS;
}
/**
Destroy all the buffer allocated for the fileds of
UEFI_IFR_BUFFER_STORAGE_NODE. The Node itself
will be freed too.
@param FormSet FormSet data structure.
@param DefaultId The Class of the default.
@retval VOID
**/
VOID
DestroyDefaultNode (
IN UEFI_IFR_BUFFER_STORAGE_NODE *Node
)
{
FreePool (Node->Buffer);
FreePool (Node->Name);
FreePool (Node);
}
/**
Get the default value for Buffer Type storage named by
a Default Store and a Storage Store from a FormSet.
The result is in the a instance of UEFI_IFR_BUFFER_STORAGE_NODE
allocated by this function. It is inserted to the link list.
@param DefaultStore The Default Store.
@param Storage The Storage.
@param FormSet The Form Set.
@param UefiDefaultsListHead The head of link list for the output.
@retval EFI_SUCCESS Successful.
**/
EFI_STATUS
GetBufferTypeDefaultIdAndStorageId (
IN FORMSET_DEFAULTSTORE *DefaultStore,
IN FORMSET_STORAGE *Storage,
IN FORM_BROWSER_FORMSET *FormSet,
OUT LIST_ENTRY *UefiDefaultsListHead
)
{
UEFI_IFR_BUFFER_STORAGE_NODE *Node;
LIST_ENTRY *Link;
FORM_BROWSER_FORM *Form;
EFI_STATUS Status;
Node = AllocateZeroPool (sizeof (UEFI_IFR_BUFFER_STORAGE_NODE));
ASSERT (Node != NULL);
Node->Signature = UEFI_IFR_BUFFER_STORAGE_NODE_SIGNATURE;
Node->Name = AllocateCopyPool (StrSize (Storage->Name), Storage->Name);
Node->DefaultId = DefaultStore->DefaultId;
Node->StoreId = Storage->VarStoreId;
CopyGuid (&Node->Guid, &Storage->Guid);
Node->Size = Storage->Size;
Node->Buffer = AllocateZeroPool (Node->Size);
//
// Extract default from IFR binary
//
Link = GetFirstNode (&FormSet->FormListHead);
while (!IsNull (&FormSet->FormListHead, Link)) {
Form = FORM_BROWSER_FORM_FROM_LINK (Link);
Status = ExtractFormDefault (FormSet, Form, DefaultStore->DefaultId, Storage->VarStoreId, Node);
ASSERT_EFI_ERROR (Status);
Link = GetNextNode (&FormSet->FormListHead, Link);
}
InsertTailList (UefiDefaultsListHead, &Node->List);
return EFI_SUCCESS;
}
/**
Get the default value for Buffer Type storage named by
a Default Store from a FormSet.
The result is in the a instance of UEFI_IFR_BUFFER_STORAGE_NODE
allocated by this function. The output can be multiple instances
of UEFI_IFR_BUFFER_STORAGE_NODE. It is inserted to the link list.
@param DefaultStore The Default Store.
@param FormSet The Form Set.
@param UefiDefaultsListHead The head of link list for the output.
@retval EFI_SUCCESS Successful.
**/
EFI_STATUS
GetBufferTypeDefaultId (
IN FORMSET_DEFAULTSTORE *DefaultStore,
IN FORM_BROWSER_FORMSET *FormSet,
OUT LIST_ENTRY *UefiDefaultsListHead
)
{
LIST_ENTRY *StorageLink;
FORMSET_STORAGE *Storage;
EFI_STATUS Status;
StorageLink = GetFirstNode (&FormSet->StorageListHead);
while (!IsNull (&FormSet->StorageListHead, StorageLink)) {
Storage = FORMSET_STORAGE_FROM_LINK(StorageLink);
if (Storage->Type == EFI_HII_VARSTORE_BUFFER) {
Status = GetBufferTypeDefaultIdAndStorageId (DefaultStore, Storage, FormSet, UefiDefaultsListHead);
ASSERT_EFI_ERROR (Status);
}
StorageLink = GetNextNode (&FormSet->StorageListHead, StorageLink);
}
return EFI_SUCCESS;
}
/**
Get the default value for Buffer Type storage from the first FormSet
in the Package List specified by a EFI_HII_HANDLE.
The results can be multiple instances of UEFI_IFR_BUFFER_STORAGE_NODE.
They are inserted to the link list.
@param UefiHiiHandle The handle for the package list.
@param UefiDefaultsListHead The head of link list for the output.
@retval EFI_SUCCESS Successful.
**/
EFI_STATUS
UefiIfrGetBufferTypeDefaults (
IN HII_THUNK_CONTEXT *ThunkContext,
OUT LIST_ENTRY **UefiDefaults
)
{
LIST_ENTRY *DefaultLink;
FORMSET_DEFAULTSTORE *DefaultStore;
EFI_STATUS Status;
ASSERT (UefiDefaults != NULL);
*UefiDefaults = AllocateZeroPool (sizeof (LIST_ENTRY));
ASSERT (UefiDefaults != NULL);
InitializeListHead (*UefiDefaults);
DefaultLink = GetFirstNode (&ThunkContext->FormSet->DefaultStoreListHead);
while (!IsNull (&ThunkContext->FormSet->DefaultStoreListHead, DefaultLink)) {
DefaultStore = FORMSET_DEFAULTSTORE_FROM_LINK(DefaultLink);
Status = GetBufferTypeDefaultId (DefaultStore, ThunkContext->FormSet, *UefiDefaults);
ASSERT_EFI_ERROR (Status);
DefaultLink = GetNextNode (&ThunkContext->FormSet->DefaultStoreListHead, DefaultLink);
}
return EFI_SUCCESS;
}
/**
Convert the UEFI Buffer Type default values to a Framework HII default
values specified by a EFI_HII_VARIABLE_PACK_LIST structure.
@param ListHead The link list of UEFI_IFR_BUFFER_STORAGE_NODE
which contains the default values retrived from
a UEFI form set.
@param DefaultMask The default mask.
The valid values are FRAMEWORK_EFI_IFR_FLAG_DEFAULT
and FRAMEWORK_EFI_IFR_FLAG_MANUFACTURING.
UEFI spec only map FRAMEWORK_EFI_IFR_FLAG_DEFAULT and FRAMEWORK_EFI_IFR_FLAG_MANUFACTURING
from specification to valid default class.
@param VariablePackList The output default value in a format defined in Framework.
@retval EFI_SUCCESS Successful.
@retval EFI_INVALID_PARAMETER The default mask is not FRAMEWORK_EFI_IFR_FLAG_DEFAULT or
FRAMEWORK_EFI_IFR_FLAG_MANUFACTURING.
**/
EFI_STATUS
UefiDefaultsToFwDefaults (
IN LIST_ENTRY *ListHead,
IN UINTN DefaultMask,
IN EFI_VARSTORE_ID UefiFormSetDefaultVarStoreId,
OUT EFI_HII_VARIABLE_PACK_LIST **VariablePackList
)
{
LIST_ENTRY *List;
UEFI_IFR_BUFFER_STORAGE_NODE *Node;
UINTN Size;
UINTN Count;
UINT16 DefaultId;
EFI_HII_VARIABLE_PACK *Pack;
EFI_HII_VARIABLE_PACK_LIST *PackList;
UINTN Index;
if (DefaultMask == FRAMEWORK_EFI_IFR_FLAG_DEFAULT) {
DefaultId = EFI_HII_DEFAULT_CLASS_STANDARD;
} else if (DefaultMask == FRAMEWORK_EFI_IFR_FLAG_MANUFACTURING) {
DefaultId = EFI_HII_DEFAULT_CLASS_MANUFACTURING;
} else {
//
// UEFI spec only map FRAMEWORK_EFI_IFR_FLAG_DEFAULT and FRAMEWORK_EFI_IFR_FLAG_MANUFACTURING
// from specification to valid default class.
//
ASSERT (FALSE);
return EFI_INVALID_PARAMETER;
}
//
// Calculate the size of the output EFI_HII_VARIABLE_PACK_LIST structure
//
Size = 0;
Count = 0;
List = GetFirstNode (ListHead);
while (!IsNull (ListHead, List)) {
Node = UEFI_IFR_BUFFER_STORAGE_NODE_FROM_LIST(List);
if (Node->DefaultId == DefaultId) {
Size += Node->Size;
Size += StrSize (Node->Name);
Count++;
}
List = GetNextNode (ListHead, List);
}
if (Count == 0) {
*VariablePackList = NULL;
return EFI_NOT_FOUND;
}
Size = Size + Count * (sizeof (EFI_HII_VARIABLE_PACK_LIST) + sizeof (EFI_HII_VARIABLE_PACK));
*VariablePackList = AllocateZeroPool (Size);
ASSERT (*VariablePackList != NULL);
List = GetFirstNode (ListHead);
PackList = (EFI_HII_VARIABLE_PACK_LIST *) *VariablePackList;
Pack = (EFI_HII_VARIABLE_PACK *) (PackList + 1);
Index = 0;
while (!IsNull (ListHead, List)) {
Node = UEFI_IFR_BUFFER_STORAGE_NODE_FROM_LIST(List);
Size = 0;
if (Node->DefaultId == DefaultId) {
Size += Node->Size;
Size += sizeof (EFI_HII_VARIABLE_PACK);
Pack->VariableNameLength = (UINT32) StrSize (Node->Name);
if (Node->StoreId == UefiFormSetDefaultVarStoreId) {
//
// The default VARSTORE in VFR from a Framework module has Varstore ID of 0.
//
Pack->VariableId = 0;
} else {
Pack->VariableId = Node->StoreId;
}
CopyMem ((UINT8 *) Pack + sizeof (EFI_HII_VARIABLE_PACK), Node->Name, StrSize (Node->Name));
Size += Pack->VariableNameLength;
//
// Initialize EFI_HII_VARIABLE_PACK
//
Pack->Header.Type = 0;
Pack->Header.Length = (UINT32) Size;
CopyMem (&Pack->VariableGuid, &Node->Guid, sizeof (EFI_GUID));
CopyMem ((UINT8 *) Pack + sizeof (EFI_HII_VARIABLE_PACK) + Pack->VariableNameLength, Node->Buffer, Node->Size);
Size += sizeof (EFI_HII_VARIABLE_PACK_LIST);
//
// Initialize EFI_HII_VARIABLE_PACK_LIST
//
PackList->VariablePack = Pack;
Index++;
if (Index < Count) {
PackList->NextVariablePack = (EFI_HII_VARIABLE_PACK_LIST *)((UINT8 *) PackList + Size);
PackList = PackList->NextVariablePack;
Pack = (EFI_HII_VARIABLE_PACK *) (PackList + 1);
}
}
List = GetNextNode (ListHead, List);
}
return EFI_SUCCESS;
}
/**
Free up all buffer allocated for the link list of UEFI_IFR_BUFFER_STORAGE_NODE.
@param ListHead The link list of UEFI_IFR_BUFFER_STORAGE_NODE
which contains the default values retrived from
a UEFI form set.
@retval VOID
**/
VOID
FreeDefaultList (
IN LIST_ENTRY *ListHead
)
{
LIST_ENTRY *Link;
UEFI_IFR_BUFFER_STORAGE_NODE *Default;
while (!IsListEmpty (ListHead)) {
Link = GetFirstNode (ListHead);
Default = UEFI_IFR_BUFFER_STORAGE_NODE_FROM_LIST(Link);
RemoveEntryList (Link);
DestroyDefaultNode (Default);
}
FreePool (ListHead);
}
Reference in New Issue View Git Blame Copy Permalink