diff options
Diffstat (limited to 'MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c')
| -rw-r--r-- | MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c | 262 |
1 files changed, 257 insertions, 5 deletions
diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c b/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c index fc03834f1d..5593b6eeb5 100644 --- a/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c +++ b/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c @@ -450,6 +450,8 @@ DestroyExpression ( {
LIST_ENTRY *Link;
EXPRESSION_OPCODE *OpCode;
+ LIST_ENTRY *SubExpressionLink;
+ FORM_EXPRESSION *SubExpression;
while (!IsListEmpty (&Expression->OpCodeListHead)) {
Link = GetFirstNode (&Expression->OpCodeListHead);
@@ -459,6 +461,19 @@ DestroyExpression ( if (OpCode->ValueList != NULL) {
FreePool (OpCode->ValueList);
}
+
+ if (OpCode->ValueName != NULL) {
+ FreePool (OpCode->ValueName);
+ }
+
+ if (OpCode->MapExpressionList.ForwardLink != NULL) {
+ while (!IsListEmpty (&OpCode->MapExpressionList)) {
+ SubExpressionLink = GetFirstNode(&OpCode->MapExpressionList);
+ SubExpression = FORM_EXPRESSION_FROM_LINK (SubExpressionLink);
+ RemoveEntryList(&SubExpression->Link);
+ DestroyExpression (SubExpression);
+ }
+ }
}
//
@@ -746,10 +761,12 @@ IsExpressionOpCode ( )
{
if (((Operand >= EFI_IFR_EQ_ID_VAL_OP) && (Operand <= EFI_IFR_NOT_OP)) ||
- ((Operand >= EFI_IFR_MATCH_OP) && (Operand <= EFI_IFR_SPAN_OP)) ||
+ ((Operand >= EFI_IFR_MATCH_OP) && (Operand <= EFI_IFR_SET_OP)) ||
+ ((Operand >= EFI_IFR_EQUAL_OP) && (Operand <= EFI_IFR_SPAN_OP)) ||
(Operand == EFI_IFR_CATENATE_OP) ||
(Operand == EFI_IFR_TO_LOWER_OP) ||
(Operand == EFI_IFR_TO_UPPER_OP) ||
+ (Operand == EFI_IFR_MAP_OP) ||
(Operand == EFI_IFR_VERSION_OP) ||
(Operand == EFI_IFR_SECURITY_OP)) {
return TRUE;
@@ -848,6 +865,12 @@ ParseOpCodes ( BOOLEAN SingleOpCodeExpression;
BOOLEAN InScopeDefault;
EFI_HII_VALUE *Value;
+ EFI_IFR_FORM_MAP_METHOD *MapMethod;
+ UINT8 MapScopeDepth;
+ LIST_ENTRY *Link;
+ FORMSET_STORAGE *VarStorage;
+ LIST_ENTRY *MapExpressionList;
+ EFI_VARSTORE_ID TempVarstoreId;
mInScopeSubtitle = FALSE;
SuppressForQuestion = FALSE;
@@ -867,6 +890,12 @@ ParseOpCodes ( OptionSuppressExpression = NULL;
FormSuppressExpression = NULL;
ImageId = NULL;
+ MapMethod = NULL;
+ MapScopeDepth = 0;
+ Link = NULL;
+ VarStorage = NULL;
+ MapExpressionList = NULL;
+ TempVarstoreId = 0;
//
// Get the number of Statements and Expressions
@@ -888,6 +917,8 @@ ParseOpCodes ( InitializeListHead (&FormSet->StorageListHead);
InitializeListHead (&FormSet->DefaultStoreListHead);
InitializeListHead (&FormSet->FormListHead);
+ ResetCurrentExpressionStack ();
+ ResetMapExpressionListStack ();
CurrentForm = NULL;
CurrentStatement = NULL;
@@ -989,6 +1020,81 @@ ParseOpCodes ( CopyMem (&ExpressionOpCode->Guid, &((EFI_IFR_SECURITY *) OpCodeData)->Permissions, sizeof (EFI_GUID));
break;
+ case EFI_IFR_GET_OP:
+ case EFI_IFR_SET_OP:
+ CopyMem (&TempVarstoreId, &((EFI_IFR_GET *) OpCodeData)->VarStoreId, sizeof (TempVarstoreId));
+ if (TempVarstoreId != 0) {
+ if (FormSet->StorageListHead.ForwardLink != NULL) {
+ Link = GetFirstNode (&FormSet->StorageListHead);
+ while (!IsNull (&FormSet->StorageListHead, Link)) {
+ VarStorage = FORMSET_STORAGE_FROM_LINK (Link);
+ if (VarStorage->VarStoreId == ((EFI_IFR_GET *) OpCodeData)->VarStoreId) {
+ ExpressionOpCode->VarStorage = VarStorage;
+ break;
+ }
+ Link = GetNextNode (&FormSet->StorageListHead, Link);
+ }
+ }
+ if (ExpressionOpCode->VarStorage == NULL) {
+ //
+ // VarStorage is not found.
+ //
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+ ExpressionOpCode->ValueType = ((EFI_IFR_GET *) OpCodeData)->VarStoreType;
+ switch (ExpressionOpCode->ValueType) {
+ case EFI_IFR_TYPE_BOOLEAN:
+ case EFI_IFR_TYPE_NUM_SIZE_8:
+ ExpressionOpCode->ValueWidth = 1;
+ break;
+
+ case EFI_IFR_TYPE_NUM_SIZE_16:
+ case EFI_IFR_TYPE_STRING:
+ ExpressionOpCode->ValueWidth = 2;
+ break;
+
+ case EFI_IFR_TYPE_NUM_SIZE_32:
+ ExpressionOpCode->ValueWidth = 4;
+ break;
+
+ case EFI_IFR_TYPE_NUM_SIZE_64:
+ ExpressionOpCode->ValueWidth = 8;
+ break;
+
+ case EFI_IFR_TYPE_DATE:
+ ExpressionOpCode->ValueWidth = sizeof (EFI_IFR_DATE);
+ break;
+
+ case EFI_IFR_TYPE_TIME:
+ ExpressionOpCode->ValueWidth = sizeof (EFI_IFR_TIME);
+ break;
+
+ case EFI_IFR_TYPE_OTHER:
+ case EFI_IFR_TYPE_UNDEFINED:
+ case EFI_IFR_TYPE_ACTION:
+ case EFI_IFR_TYPE_BUFFER:
+ default:
+ //
+ // Invalid value type for Get/Set opcode.
+ //
+ return EFI_INVALID_PARAMETER;
+ }
+ CopyMem (&ExpressionOpCode->VarStoreInfo.VarName, &((EFI_IFR_GET *) OpCodeData)->VarStoreInfo.VarName, sizeof (EFI_STRING_ID));
+ CopyMem (&ExpressionOpCode->VarStoreInfo.VarOffset, &((EFI_IFR_GET *) OpCodeData)->VarStoreInfo.VarOffset, sizeof (UINT16));
+ if ((ExpressionOpCode->VarStorage != NULL) &&
+ (ExpressionOpCode->VarStorage->Type == EFI_HII_VARSTORE_NAME_VALUE ||
+ ExpressionOpCode->VarStorage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)) {
+ ExpressionOpCode->ValueName = GetToken (ExpressionOpCode->VarStoreInfo.VarName, FormSet->HiiHandle);
+ if (ExpressionOpCode->ValueName == NULL) {
+ //
+ // String ID is invalid.
+ //
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+ break;
+
case EFI_IFR_QUESTION_REF1_OP:
CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_VAL_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));
break;
@@ -1063,11 +1169,37 @@ ParseOpCodes ( default:
break;
}
-
+ //
+ // Create sub expression nested in MAP opcode
+ //
+ if (CurrentExpression == NULL && MapScopeDepth > 0) {
+ CurrentExpression = CreateExpression (CurrentForm);
+ InsertTailList (MapExpressionList, &CurrentExpression->Link);
+ if (Scope == 0) {
+ SingleOpCodeExpression = TRUE;
+ }
+ }
ASSERT (CurrentExpression != NULL);
InsertTailList (&CurrentExpression->OpCodeListHead, &ExpressionOpCode->Link);
-
- if (SingleOpCodeExpression) {
+ if (Operand == EFI_IFR_MAP_OP) {
+ //
+ // Store current Map Expression List.
+ //
+ if (MapExpressionList != NULL) {
+ PushMapExpressionList (MapExpressionList);
+ }
+ //
+ // Initialize new Map Expression List.
+ //
+ MapExpressionList = &ExpressionOpCode->MapExpressionList;
+ InitializeListHead (MapExpressionList);
+ //
+ // Store current expression.
+ //
+ PushCurrentExpression (CurrentExpression);
+ CurrentExpression = NULL;
+ MapScopeDepth ++;
+ } else if (SingleOpCodeExpression) {
//
// There are two cases to indicate the end of an Expression:
// for single OpCode expression: one Expression OpCode
@@ -1134,6 +1266,7 @@ ParseOpCodes ( InitializeListHead (&CurrentForm->ExpressionListHead);
InitializeListHead (&CurrentForm->StatementListHead);
+ CurrentForm->FormType = STANDARD_MAP_FORM_TYPE;
CopyMem (&CurrentForm->FormId, &((EFI_IFR_FORM *) OpCodeData)->FormId, sizeof (UINT16));
CopyMem (&CurrentForm->FormTitle, &((EFI_IFR_FORM *) OpCodeData)->FormTitle, sizeof (EFI_STRING_ID));
@@ -1157,6 +1290,63 @@ ParseOpCodes ( InsertTailList (&FormSet->FormListHead, &CurrentForm->Link);
break;
+ case EFI_IFR_FORM_MAP_OP:
+ //
+ // Create a new Form for this FormSet
+ //
+ CurrentForm = AllocateZeroPool (sizeof (FORM_BROWSER_FORM));
+ ASSERT (CurrentForm != NULL);
+ CurrentForm->Signature = FORM_BROWSER_FORM_SIGNATURE;
+ InitializeListHead (&CurrentForm->ExpressionListHead);
+ InitializeListHead (&CurrentForm->StatementListHead);
+ CopyMem (&CurrentForm->FormId, &((EFI_IFR_FORM *) OpCodeData)->FormId, sizeof (UINT16));
+
+ MapMethod = (EFI_IFR_FORM_MAP_METHOD *) (OpCodeData + sizeof (EFI_IFR_FORM_MAP));
+ //
+ // FormMap Form must contain at least one Map Method.
+ //
+ if (((EFI_IFR_OP_HEADER *) OpCodeData)->Length < ((UINTN) (UINT8 *) (MapMethod + 1) - (UINTN) OpCodeData)) {
+ return EFI_INVALID_PARAMETER;
+ }
+ //
+ // Try to find the standard form map method.
+ //
+ while (((UINTN) (UINT8 *) MapMethod - (UINTN) OpCodeData) < ((EFI_IFR_OP_HEADER *) OpCodeData)->Length) {
+ if (CompareGuid ((EFI_GUID *) (VOID *) &MapMethod->MethodIdentifier, &gEfiHiiStandardFormGuid)) {
+ CopyMem (&CurrentForm->FormTitle, &MapMethod->MethodTitle, sizeof (EFI_STRING_ID));
+ CurrentForm->FormType = STANDARD_MAP_FORM_TYPE;
+ break;
+ }
+ MapMethod ++;
+ }
+ //
+ // If the standard form map method is not found, the first map method title will be used.
+ //
+ if (CurrentForm->FormTitle == 0) {
+ MapMethod = (EFI_IFR_FORM_MAP_METHOD *) (OpCodeData + sizeof (EFI_IFR_FORM_MAP));
+ CopyMem (&CurrentForm->FormTitle, &MapMethod->MethodTitle, sizeof (EFI_STRING_ID));
+ }
+
+ if (InScopeFormSuppress) {
+ //
+ // Form is inside of suppressif
+ //
+ CurrentForm->SuppressExpression = FormSuppressExpression;
+ }
+
+ if (Scope != 0) {
+ //
+ // Enter scope of a Form, suppressif will be used for Question or Option
+ //
+ SuppressForQuestion = TRUE;
+ }
+
+ //
+ // Insert into Form list of this FormSet
+ //
+ InsertTailList (&FormSet->FormListHead, &CurrentForm->Link);
+ break;
+
//
// Storage
//
@@ -1707,6 +1897,50 @@ ParseOpCodes ( }
break;
+ case EFI_IFR_READ_OP:
+ CurrentExpression = CreateExpression (CurrentForm);
+ CurrentExpression->Type = EFI_HII_EXPRESSION_READ;
+ InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
+
+ //
+ // Make sure CurrentStatement is not NULL.
+ // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR
+ // file is wrongly generated by tools such as VFR Compiler. There may be a bug in VFR Compiler.
+ //
+ ASSERT (CurrentStatement != NULL);
+ CurrentStatement->ReadExpression = CurrentExpression;
+
+ //
+ // Take a look at next OpCode to see whether current expression consists
+ // of single OpCode
+ //
+ if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) {
+ SingleOpCodeExpression = TRUE;
+ }
+ break;
+
+ case EFI_IFR_WRITE_OP:
+ CurrentExpression = CreateExpression (CurrentForm);
+ CurrentExpression->Type = EFI_HII_EXPRESSION_WRITE;
+ InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
+
+ //
+ // Make sure CurrentStatement is not NULL.
+ // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR
+ // file is wrongly generated by tools such as VFR Compiler. There may be a bug in VFR Compiler.
+ //
+ ASSERT (CurrentStatement != NULL);
+ CurrentStatement->WriteExpression = CurrentExpression;
+
+ //
+ // Take a look at next OpCode to see whether current expression consists
+ // of single OpCode
+ //
+ if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) {
+ SingleOpCodeExpression = TRUE;
+ }
+ break;
+
//
// Image
//
@@ -1723,6 +1957,7 @@ ParseOpCodes ( break;
case EFI_IFR_FORM_OP:
+ case EFI_IFR_FORM_MAP_OP:
ASSERT (CurrentForm != NULL);
ImageId = &CurrentForm->ImageId;
break;
@@ -1818,6 +2053,7 @@ ParseOpCodes ( break;
case EFI_IFR_FORM_OP:
+ case EFI_IFR_FORM_MAP_OP:
//
// End of Form
//
@@ -1871,6 +2107,22 @@ ParseOpCodes ( InScopeDefault = FALSE;
break;
+ case EFI_IFR_MAP_OP:
+ //
+ // Get current Map Expression List.
+ //
+ Status = PopMapExpressionList ((VOID **) &MapExpressionList);
+ if (Status == EFI_ACCESS_DENIED) {
+ MapExpressionList = NULL;
+ }
+ //
+ // Get current expression.
+ //
+ Status = PopCurrentExpression ((VOID **) &CurrentExpression);
+ ASSERT_EFI_ERROR (Status);
+ MapScopeDepth --;
+ break;
+
default:
if (IsExpressionOpCode (ScopeOpCode)) {
if (mInScopeDisable && CurrentForm == NULL) {
@@ -1889,7 +2141,7 @@ ParseOpCodes ( OpCodeDisabled = CurrentExpression->Result.Value.b;
//
- // DisableIf Expression is only used once and not quequed, free it
+ // DisableIf Expression is only used once and not queued, free it
//
DestroyExpression (CurrentExpression);
}
|