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authorlgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524>2010-02-25 10:10:59 +0000
committerlgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524>2010-02-25 10:10:59 +0000
commit2573712e0132deac7591f9ed5e2423c5e61e5af6 (patch)
tree8b213960d0df7d73510f3cadd48218667350ef76 /MdeModulePkg/Universal/SetupBrowserDxe/Expression.c
parent234980f6e935a51fdafecb9930b4a2ecbf47b727 (diff)
downloadedk2-platforms-2573712e0132deac7591f9ed5e2423c5e61e5af6.tar.xz
Enhance SetupBrowser to support new UEFI HiiFormMap feature
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10069 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Universal/SetupBrowserDxe/Expression.c')
-rw-r--r--MdeModulePkg/Universal/SetupBrowserDxe/Expression.c672
1 files changed, 591 insertions, 81 deletions
diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c b/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c
index b429605662..90fdc7462f 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c
@@ -24,6 +24,15 @@ EFI_HII_VALUE *mOpCodeScopeStackPointer = NULL;
EFI_HII_VALUE *mExpressionEvaluationStack = NULL;
EFI_HII_VALUE *mExpressionEvaluationStackEnd = NULL;
EFI_HII_VALUE *mExpressionEvaluationStackPointer = NULL;
+UINTN mExpressionEvaluationStackOffset = 0;
+
+EFI_HII_VALUE *mCurrentExpressionStack = NULL;
+EFI_HII_VALUE *mCurrentExpressionEnd = NULL;
+EFI_HII_VALUE *mCurrentExpressionPointer = NULL;
+
+EFI_HII_VALUE *mMapExpressionListStack = NULL;
+EFI_HII_VALUE *mMapExpressionListEnd = NULL;
+EFI_HII_VALUE *mMapExpressionListPointer = NULL;
//
// Unicode collation protocol interface
@@ -140,10 +149,8 @@ PushStack (
/**
Pop an element from the stack.
- @param Stack On input: old stack; On output: new stack
- @param StackPtr On input: old stack pointer; On output: new stack
- pointer
- @param StackEnd On input: old stack end; On output: new stack end
+ @param Stack On input: old stack
+ @param StackPtr On input: old stack pointer; On output: new stack pointer
@param Data Data to pop.
@retval EFI_SUCCESS The value was popped onto the stack.
@@ -152,16 +159,15 @@ PushStack (
**/
EFI_STATUS
PopStack (
- IN OUT EFI_HII_VALUE **Stack,
+ IN EFI_HII_VALUE *Stack,
IN OUT EFI_HII_VALUE **StackPtr,
- IN OUT EFI_HII_VALUE **StackEnd,
OUT EFI_HII_VALUE *Data
)
{
//
// Check for a stack underflow condition
//
- if (*StackPtr == *Stack) {
+ if (*StackPtr == Stack) {
return EFI_ACCESS_DENIED;
}
@@ -179,6 +185,144 @@ PopStack (
**/
VOID
+ResetCurrentExpressionStack (
+ VOID
+ )
+{
+ mCurrentExpressionPointer = mCurrentExpressionStack;
+}
+
+
+/**
+ Push current expression onto the Stack
+
+ @param Pointer Pointer to current expression.
+
+ @retval EFI_SUCCESS The value was pushed onto the stack.
+ @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the stack.
+
+**/
+EFI_STATUS
+PushCurrentExpression (
+ IN VOID *Pointer
+ )
+{
+ EFI_HII_VALUE Data;
+
+ Data.Type = EFI_IFR_TYPE_NUM_SIZE_64;
+ Data.Value.u64 = (UINT64) (UINTN) Pointer;
+
+ return PushStack (
+ &mCurrentExpressionStack,
+ &mCurrentExpressionPointer,
+ &mCurrentExpressionEnd,
+ &Data
+ );
+}
+
+
+/**
+ Pop current expression from the Stack
+
+ @param Pointer Pointer to current expression to be pop.
+
+ @retval EFI_SUCCESS The value was pushed onto the stack.
+ @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the stack.
+
+**/
+EFI_STATUS
+PopCurrentExpression (
+ OUT VOID **Pointer
+ )
+{
+ EFI_STATUS Status;
+ EFI_HII_VALUE Data;
+
+ Status = PopStack (
+ mCurrentExpressionStack,
+ &mCurrentExpressionPointer,
+ &Data
+ );
+
+ *Pointer = (VOID *) (UINTN) Data.Value.u64;
+
+ return Status;
+}
+
+/**
+ Reset stack pointer to begin of the stack.
+
+**/
+VOID
+ResetMapExpressionListStack (
+ VOID
+ )
+{
+ mMapExpressionListPointer = mMapExpressionListStack;
+}
+
+
+/**
+ Push the list of map expression onto the Stack
+
+ @param Pointer Pointer to the list of map expression to be pushed.
+
+ @retval EFI_SUCCESS The value was pushed onto the stack.
+ @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the stack.
+
+**/
+EFI_STATUS
+PushMapExpressionList (
+ IN VOID *Pointer
+ )
+{
+ EFI_HII_VALUE Data;
+
+ Data.Type = EFI_IFR_TYPE_NUM_SIZE_64;
+ Data.Value.u64 = (UINT64) (UINTN) Pointer;
+
+ return PushStack (
+ &mMapExpressionListStack,
+ &mMapExpressionListPointer,
+ &mMapExpressionListEnd,
+ &Data
+ );
+}
+
+
+/**
+ Pop the list of map expression from the Stack
+
+ @param Pointer Pointer to the list of map expression to be pop.
+
+ @retval EFI_SUCCESS The value was pushed onto the stack.
+ @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the stack.
+
+**/
+EFI_STATUS
+PopMapExpressionList (
+ OUT VOID **Pointer
+ )
+{
+ EFI_STATUS Status;
+ EFI_HII_VALUE Data;
+
+ Status = PopStack (
+ mMapExpressionListStack,
+ &mMapExpressionListPointer,
+ &Data
+ );
+
+ *Pointer = (VOID *) (UINTN) Data.Value.u64;
+
+ return Status;
+}
+
+/**
+ Reset stack pointer to begin of the stack.
+
+**/
+VOID
ResetScopeStack (
VOID
)
@@ -235,9 +379,8 @@ PopScope (
EFI_HII_VALUE Data;
Status = PopStack (
- &mOpCodeScopeStack,
+ mOpCodeScopeStack,
&mOpCodeScopeStackPointer,
- &mOpCodeScopeStackEnd,
&Data
);
@@ -248,19 +391,6 @@ PopScope (
/**
- Reset stack pointer to begin of the stack.
-
-**/
-VOID
-ResetExpressionStack (
- VOID
- )
-{
- mExpressionEvaluationStackPointer = mExpressionEvaluationStack;
-}
-
-
-/**
Push an Expression value onto the Stack
@param Value Expression value to push.
@@ -299,13 +429,40 @@ PopExpression (
)
{
return PopStack (
- &mExpressionEvaluationStack,
+ mExpressionEvaluationStack + mExpressionEvaluationStackOffset,
&mExpressionEvaluationStackPointer,
- &mExpressionEvaluationStackEnd,
Value
);
}
+/**
+ Get current stack offset from stack start.
+
+ @return Stack offset to stack start.
+**/
+UINTN
+SaveExpressionEvaluationStackOffset (
+ )
+{
+ UINTN TempStackOffset;
+ TempStackOffset = mExpressionEvaluationStackOffset;
+ mExpressionEvaluationStackOffset = mExpressionEvaluationStackPointer - mExpressionEvaluationStack;
+ return TempStackOffset;
+}
+
+/**
+ Restore stack offset based on input stack offset
+
+ @param StackOffset Offset to stack start.
+
+**/
+VOID
+RestoreExpressionEvaluationStackOffset (
+ UINTN StackOffset
+ )
+{
+ mExpressionEvaluationStackOffset = StackOffset;
+}
/**
Get Form given its FormId.
@@ -1218,8 +1375,8 @@ ExtendValueToU64 (
@param Value2 Expression value to compare on right-hand.
@param HiiHandle Only required for string compare.
- @retval EFI_INVALID_PARAMETER Could not perform comparation on two values.
- @retval 0 Two operators equeal.
+ @retval EFI_INVALID_PARAMETER Could not perform compare on two values.
+ @retval 0 Two operators equal.
@return Positive value if Value1 is greater than Value2.
@retval Negative value if Value1 is less than Value2.
@@ -1437,12 +1594,21 @@ EvaluateExpression (
EFI_HII_VALUE *Value;
INTN Result;
CHAR16 *StrPtr;
+ CHAR16 *NameValue;
UINT32 TempValue;
+ LIST_ENTRY *SubExpressionLink;
+ FORM_EXPRESSION *SubExpression;
+ UINTN StackOffset;
+ UINTN TempLength;
+ CHAR16 TempStr[5];
+ UINT8 DigitUint8;
+ UINT8 *TempBuffer;
+ EFI_TIME EfiTime;
//
- // Always reset the stack before evaluating an Expression
+ // Save current stack offset.
//
- ResetExpressionStack ();
+ StackOffset = SaveExpressionEvaluationStackOffset ();
ASSERT (Expression != NULL);
Expression->Result.Type = EFI_IFR_TYPE_OTHER;
@@ -1468,12 +1634,14 @@ EvaluateExpression (
case EFI_IFR_EQ_ID_VAL_OP:
Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);
if (Question == NULL) {
- return EFI_NOT_FOUND;
+ Status = EFI_NOT_FOUND;
+ goto Done;
}
Result = CompareHiiValue (&Question->HiiValue, &OpCode->Value, NULL);
if (Result == EFI_INVALID_PARAMETER) {
- return EFI_INVALID_PARAMETER;
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
}
Value->Value.b = (BOOLEAN) ((Result == 0) ? TRUE : FALSE);
break;
@@ -1481,17 +1649,20 @@ EvaluateExpression (
case EFI_IFR_EQ_ID_ID_OP:
Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);
if (Question == NULL) {
- return EFI_NOT_FOUND;
+ Status = EFI_NOT_FOUND;
+ goto Done;
}
Question2 = IdToQuestion (FormSet, Form, OpCode->QuestionId2);
if (Question2 == NULL) {
- return EFI_NOT_FOUND;
+ Status = EFI_NOT_FOUND;
+ goto Done;
}
Result = CompareHiiValue (&Question->HiiValue, &Question2->HiiValue, FormSet->HiiHandle);
if (Result == EFI_INVALID_PARAMETER) {
- return EFI_INVALID_PARAMETER;
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
}
Value->Value.b = (BOOLEAN) ((Result == 0) ? TRUE : FALSE);
break;
@@ -1499,7 +1670,8 @@ EvaluateExpression (
case EFI_IFR_EQ_ID_LIST_OP:
Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);
if (Question == NULL) {
- return EFI_NOT_FOUND;
+ Status = EFI_NOT_FOUND;
+ goto Done;
}
Value->Value.b = FALSE;
@@ -1514,7 +1686,7 @@ EvaluateExpression (
case EFI_IFR_DUP_OP:
Status = PopExpression (Value);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
Status = PushExpression (Value);
@@ -1524,7 +1696,8 @@ EvaluateExpression (
case EFI_IFR_THIS_OP:
Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);
if (Question == NULL) {
- return EFI_NOT_FOUND;
+ Status = EFI_NOT_FOUND;
+ goto Done;
}
Value = &Question->HiiValue;
@@ -1534,6 +1707,131 @@ EvaluateExpression (
Value->Value.b = CheckUserPrivilege (&OpCode->Guid);
break;
+ case EFI_IFR_GET_OP:
+ //
+ // Get Value from VarStore buffer, EFI VarStore, Name/Value VarStore.
+ //
+ Value->Type = EFI_IFR_TYPE_UNDEFINED;
+ Value->Value.u8 = 0;
+ if (OpCode->VarStorage != NULL) {
+ switch (OpCode->VarStorage->Type) {
+ case EFI_HII_VARSTORE_BUFFER:
+ //
+ // Get value from Edit Buffer
+ //
+ Value->Type = OpCode->ValueType;
+ CopyMem (&Value->Value, OpCode->VarStorage->EditBuffer + OpCode->VarStoreInfo.VarOffset, OpCode->ValueWidth);
+ break;
+ case EFI_HII_VARSTORE_NAME_VALUE:
+ if (OpCode->ValueType != EFI_IFR_TYPE_STRING) {
+ //
+ // Get value from string except for STRING value.
+ //
+ Status = GetValueByName (OpCode->VarStorage, OpCode->ValueName, &StrPtr);
+ if (!EFI_ERROR (Status)) {
+ TempLength = StrLen (StrPtr);
+ if (OpCode->ValueWidth >= ((TempLength + 1) / 2)) {
+ Value->Type = OpCode->ValueType;
+ TempBuffer = (UINT8 *) &Value->Value;
+ ZeroMem (TempStr, sizeof (TempStr));
+ for (Index = 0; Index < TempLength; Index ++) {
+ TempStr[0] = StrPtr[TempLength - Index - 1];
+ DigitUint8 = (UINT8) StrHexToUint64 (TempStr);
+ if ((Index & 1) == 0) {
+ TempBuffer [Index/2] = DigitUint8;
+ } else {
+ TempBuffer [Index/2] = (UINT8) ((DigitUint8 << 4) + TempStr [Index/2]);
+ }
+ }
+ }
+ }
+ }
+ break;
+ case EFI_HII_VARSTORE_EFI_VARIABLE:
+ //
+ // Get value from variable.
+ //
+ TempLength = OpCode->ValueWidth;
+ Value->Type = OpCode->ValueType;
+ Status = gRT->GetVariable (
+ OpCode->ValueName,
+ &OpCode->VarStorage->Guid,
+ NULL,
+ &TempLength,
+ &Value->Value
+ );
+ if (EFI_ERROR (Status)) {
+ Value->Type = EFI_IFR_TYPE_UNDEFINED;
+ Value->Value.u8 = 0;
+ }
+ default:
+ //
+ // Not recognize storage.
+ //
+ Status = EFI_UNSUPPORTED;
+ goto Done;
+ }
+ } else {
+ //
+ // For Time/Date Data
+ //
+ if (OpCode->ValueType != EFI_IFR_TYPE_DATE && OpCode->ValueType != EFI_IFR_TYPE_TIME) {
+ //
+ // Only support Data/Time data when storage doesn't exist.
+ //
+ Status = EFI_UNSUPPORTED;
+ goto Done;
+ }
+ Status = gRT->GetTime (&EfiTime, NULL);
+ if (!EFI_ERROR (Status)) {
+ if (OpCode->ValueType == EFI_IFR_TYPE_DATE) {
+ switch (OpCode->VarStoreInfo.VarOffset) {
+ case 0x00:
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;
+ Value->Value.u16 = EfiTime.Year;
+ break;
+ case 0x02:
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;
+ Value->Value.u8 = EfiTime.Month;
+ break;
+ case 0x03:
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;
+ Value->Value.u8 = EfiTime.Day;
+ break;
+ default:
+ //
+ // Invalid Date field.
+ //
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+ } else {
+ switch (OpCode->VarStoreInfo.VarOffset) {
+ case 0x00:
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;
+ Value->Value.u8 = EfiTime.Hour;
+ break;
+ case 0x01:
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;
+ Value->Value.u8 = EfiTime.Minute;
+ break;
+ case 0x02:
+ Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;
+ Value->Value.u8 = EfiTime.Second;
+ break;
+ default:
+ //
+ // Invalid Time field.
+ //
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+ }
+ }
+ }
+
+ break;
+
case EFI_IFR_QUESTION_REF3_OP:
if (OpCode->DevicePath == 0) {
//
@@ -1542,19 +1840,21 @@ EvaluateExpression (
//
Status = PopExpression (Value);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
//
// Validate the expression value
//
if ((Value->Type > EFI_IFR_TYPE_NUM_SIZE_64) || (Value->Value.u64 > 0xffff)) {
- return EFI_NOT_FOUND;
+ Status = EFI_NOT_FOUND;
+ goto Done;
}
Question = IdToQuestion (FormSet, Form, Value->Value.u16);
if (Question == NULL) {
- return EFI_NOT_FOUND;
+ Status = EFI_NOT_FOUND;
+ goto Done;
}
//
@@ -1577,7 +1877,8 @@ EvaluateExpression (
//
RuleExpression = RuleIdToExpression (Form, OpCode->RuleId);
if (RuleExpression == NULL) {
- return EFI_NOT_FOUND;
+ Status = EFI_NOT_FOUND;
+ goto Done;
}
//
@@ -1585,7 +1886,7 @@ EvaluateExpression (
//
Status = EvaluateExpression (FormSet, Form, RuleExpression);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
Value = &RuleExpression->Result;
@@ -1619,15 +1920,17 @@ EvaluateExpression (
case EFI_IFR_LENGTH_OP:
Status = PopExpression (Value);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
if (Value->Type != EFI_IFR_TYPE_STRING) {
- return EFI_INVALID_PARAMETER;
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
}
StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);
if (StrPtr == NULL) {
- return EFI_INVALID_PARAMETER;
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
}
Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;
@@ -1638,10 +1941,11 @@ EvaluateExpression (
case EFI_IFR_NOT_OP:
Status = PopExpression (Value);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
if (Value->Type != EFI_IFR_TYPE_BOOLEAN) {
- return EFI_INVALID_PARAMETER;
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
}
Value->Value.b = (BOOLEAN) (!Value->Value.b);
break;
@@ -1652,19 +1956,21 @@ EvaluateExpression (
//
Status = PopExpression (Value);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
//
// Validate the expression value
//
if ((Value->Type > EFI_IFR_TYPE_NUM_SIZE_64) || (Value->Value.u64 > 0xffff)) {
- return EFI_NOT_FOUND;
+ Status = EFI_NOT_FOUND;
+ goto Done;
}
Question = IdToQuestion (FormSet, Form, Value->Value.u16);
if (Question == NULL) {
- return EFI_NOT_FOUND;
+ Status = EFI_NOT_FOUND;
+ goto Done;
}
Value = &Question->HiiValue;
@@ -1676,14 +1982,15 @@ EvaluateExpression (
//
Status = PopExpression (Value);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
//
// Validate the expression value
//
if ((Value->Type > EFI_IFR_TYPE_NUM_SIZE_64) || (Value->Value.u64 > 0xffff)) {
- return EFI_NOT_FOUND;
+ Status = EFI_NOT_FOUND;
+ goto Done;
}
Value->Type = EFI_IFR_TYPE_STRING;
@@ -1706,7 +2013,7 @@ EvaluateExpression (
//
Status = PopExpression (Value);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
//
@@ -1728,7 +2035,8 @@ EvaluateExpression (
//
StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);
if (StrPtr == NULL) {
- return EFI_INVALID_PARAMETER;
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
}
if ((StrCmp (StrPtr, L"true") == 0) || (StrCmp (StrPtr, L"false") == 0)){
@@ -1753,21 +2061,23 @@ EvaluateExpression (
case EFI_IFR_TO_UPPER_OP:
Status = InitializeUnicodeCollationProtocol ();
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
Status = PopExpression (Value);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
if (Value->Type != EFI_IFR_TYPE_STRING) {
- return EFI_UNSUPPORTED;
+ Status = EFI_UNSUPPORTED;
+ goto Done;
}
StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);
if (StrPtr == NULL) {
- return EFI_NOT_FOUND;
+ Status = EFI_NOT_FOUND;
+ goto Done;
}
if (OpCode->Operand == EFI_IFR_TO_LOWER_OP) {
@@ -1785,16 +2095,134 @@ EvaluateExpression (
//
Status = PopExpression (Value);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
if (Value->Type > EFI_IFR_TYPE_DATE) {
- return EFI_INVALID_PARAMETER;
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
}
Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;
Value->Value.u64 = ~Value->Value.u64;
break;
+ case EFI_IFR_SET_OP:
+ //
+ // Pop an expression from the expression stack
+ //
+ Status = PopExpression (Value);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+ Data1.Type = EFI_IFR_TYPE_BOOLEAN;
+ Data1.Value.b = FALSE;
+ //
+ // Set value to var storage buffer
+ //
+ if (OpCode->VarStorage != NULL) {
+ switch (OpCode->VarStorage->Type) {
+ case EFI_HII_VARSTORE_BUFFER:
+ CopyMem (OpCode->VarStorage->EditBuffer + OpCode->VarStoreInfo.VarOffset, &Value->Value, OpCode->ValueWidth);
+ Data1.Value.b = TRUE;
+ break;
+ case EFI_HII_VARSTORE_NAME_VALUE:
+ if (OpCode->ValueType != EFI_IFR_TYPE_STRING) {
+ NameValue = AllocateZeroPool ((OpCode->ValueWidth * 2 + 1) * sizeof (CHAR16));
+ ASSERT (Value != NULL);
+ //
+ // Convert Buffer to Hex String
+ //
+ TempBuffer = (UINT8 *) &Value->Value + OpCode->ValueWidth - 1;
+ StrPtr = NameValue;
+ for (Index = 0; Index < OpCode->ValueWidth; Index ++, TempBuffer --) {
+ StrPtr += UnicodeValueToString (StrPtr, PREFIX_ZERO | RADIX_HEX, *TempBuffer, 2);
+ }
+ Status = SetValueByName (OpCode->VarStorage, OpCode->ValueName, NameValue);
+ FreePool (NameValue);
+ if (!EFI_ERROR (Status)) {
+ Data1.Value.b = TRUE;
+ }
+ }
+ break;
+ case EFI_HII_VARSTORE_EFI_VARIABLE:
+ Status = gRT->SetVariable (
+ OpCode->ValueName,
+ &OpCode->VarStorage->Guid,
+ OpCode->VarStorage->Attributes,
+ OpCode->ValueWidth,
+ &Value->Value
+ );
+ if (!EFI_ERROR (Status)) {
+ Data1.Value.b = TRUE;
+ }
+ break;
+ default:
+ //
+ // Not recognize storage.
+ //
+ Status = EFI_UNSUPPORTED;
+ goto Done;
+ break;
+ }
+ } else {
+ //
+ // For Time/Date Data
+ //
+ if (OpCode->ValueType != EFI_IFR_TYPE_DATE && OpCode->ValueType != EFI_IFR_TYPE_TIME) {
+ //
+ // Only support Data/Time data when storage doesn't exist.
+ //
+ Status = EFI_UNSUPPORTED;
+ goto Done;
+ }
+ Status = gRT->GetTime (&EfiTime, NULL);
+ if (!EFI_ERROR (Status)) {
+ if (OpCode->ValueType == EFI_IFR_TYPE_DATE) {
+ switch (OpCode->VarStoreInfo.VarOffset) {
+ case 0x00:
+ EfiTime.Year = Value->Value.u16;
+ break;
+ case 0x02:
+ EfiTime.Month = Value->Value.u8;
+ break;
+ case 0x03:
+ EfiTime.Day = Value->Value.u8;
+ break;
+ default:
+ //
+ // Invalid Date field.
+ //
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+ } else {
+ switch (OpCode->VarStoreInfo.VarOffset) {
+ case 0x00:
+ EfiTime.Hour = Value->Value.u8;
+ break;
+ case 0x01:
+ EfiTime.Minute = Value->Value.u8;
+ break;
+ case 0x02:
+ EfiTime.Second = Value->Value.u8;
+ break;
+ default:
+ //
+ // Invalid Time field.
+ //
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+ }
+ Status = gRT->SetTime (&EfiTime);
+ if (!EFI_ERROR (Status)) {
+ Data1.Value.b = TRUE;
+ }
+ }
+ }
+ Value = &Data1;
+ break;
+
//
// binary-op
//
@@ -1812,10 +2240,11 @@ EvaluateExpression (
//
Status = PopExpression (&Data2);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
if (Data2.Type > EFI_IFR_TYPE_DATE) {
- return EFI_INVALID_PARAMETER;
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
}
//
@@ -1823,10 +2252,11 @@ EvaluateExpression (
//
Status = PopExpression (&Data1);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
if (Data1.Type > EFI_IFR_TYPE_DATE) {
- return EFI_INVALID_PARAMETER;
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
}
Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;
@@ -1881,10 +2311,11 @@ EvaluateExpression (
//
Status = PopExpression (&Data2);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
if (Data2.Type != EFI_IFR_TYPE_BOOLEAN) {
- return EFI_INVALID_PARAMETER;
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
}
//
@@ -1892,10 +2323,11 @@ EvaluateExpression (
//
Status = PopExpression (&Data1);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
if (Data1.Type != EFI_IFR_TYPE_BOOLEAN) {
- return EFI_INVALID_PARAMETER;
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
}
if (OpCode->Operand == EFI_IFR_AND_OP) {
@@ -1916,10 +2348,11 @@ EvaluateExpression (
//
Status = PopExpression (&Data2);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
if (Data2.Type > EFI_IFR_TYPE_BOOLEAN && Data2.Type != EFI_IFR_TYPE_STRING) {
- return EFI_INVALID_PARAMETER;
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
}
//
@@ -1927,12 +2360,13 @@ EvaluateExpression (
//
Status = PopExpression (&Data1);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
Result = CompareHiiValue (&Data1, &Data2, FormSet->HiiHandle);
if (Result == EFI_INVALID_PARAMETER) {
- return EFI_INVALID_PARAMETER;
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
}
switch (OpCode->Operand) {
@@ -1982,7 +2416,7 @@ EvaluateExpression (
//
Status = PopExpression (&Data3);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
//
@@ -1990,7 +2424,7 @@ EvaluateExpression (
//
Status = PopExpression (&Data2);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
//
@@ -1998,10 +2432,11 @@ EvaluateExpression (
//
Status = PopExpression (&Data1);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
if (Data1.Type != EFI_IFR_TYPE_BOOLEAN) {
- return EFI_INVALID_PARAMETER;
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
}
if (Data1.Value.b) {
@@ -2027,16 +2462,87 @@ EvaluateExpression (
Status = IfrSpan (FormSet, OpCode->Flags, Value);
break;
+ case EFI_IFR_MAP_OP:
+ //
+ // Pop the check value
+ //
+ Status = PopExpression (&Data1);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+ //
+ // Check MapExpression list is valid.
+ //
+ if (OpCode->MapExpressionList.ForwardLink == NULL) {
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+ //
+ // Go through map expression list.
+ //
+ SubExpressionLink = GetFirstNode(&OpCode->MapExpressionList);
+ while (!IsNull (&OpCode->MapExpressionList, SubExpressionLink)) {
+ SubExpression = FORM_EXPRESSION_FROM_LINK (SubExpressionLink);
+ //
+ // Evaluate the first expression in this pair.
+ //
+ Status = EvaluateExpression (FormSet, Form, SubExpression);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+ //
+ // Compare the expression value with current value
+ //
+ if (CompareHiiValue (&Data1, &SubExpression->Result, NULL) == 0) {
+ //
+ // Try get the map value.
+ //
+ SubExpressionLink = GetNextNode (&OpCode->MapExpressionList, SubExpressionLink);
+ if (IsNull (&OpCode->MapExpressionList, SubExpressionLink)) {
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+ SubExpression = FORM_EXPRESSION_FROM_LINK (SubExpressionLink);
+ Status = EvaluateExpression (FormSet, Form, SubExpression);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+ Value = &SubExpression->Result;
+ break;
+ }
+ //
+ // Skip the second expression on this pair.
+ //
+ SubExpressionLink = GetNextNode (&OpCode->MapExpressionList, SubExpressionLink);
+ if (IsNull (&OpCode->MapExpressionList, SubExpressionLink)) {
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+ //
+ // Goto the first expression on next pair.
+ //
+ SubExpressionLink = GetNextNode (&OpCode->MapExpressionList, SubExpressionLink);
+ }
+
+ //
+ // No map value is found.
+ //
+ if (IsNull (&OpCode->MapExpressionList, SubExpressionLink)) {
+ Value->Type = EFI_IFR_TYPE_UNDEFINED;
+ Value->Value.u8 = 0;
+ }
+ break;
+
default:
break;
}
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
Status = PushExpression (Value);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
}
@@ -2046,17 +2552,21 @@ EvaluateExpression (
Value = &Data1;
Status = PopExpression (Value);
if (EFI_ERROR (Status)) {
- return Status;
+ goto Done;
}
//
// After evaluating an expression, there should be only one value left on the expression stack
//
if (PopExpression (Value) != EFI_ACCESS_DENIED) {
- return EFI_INVALID_PARAMETER;
+ Status = EFI_INVALID_PARAMETER;
}
- CopyMem (&Expression->Result, Value, sizeof (EFI_HII_VALUE));
+Done:
+ RestoreExpressionEvaluationStackOffset (StackOffset);
+ if (!EFI_ERROR (Status)) {
+ CopyMem (&Expression->Result, Value, sizeof (EFI_HII_VALUE));
+ }
- return EFI_SUCCESS;
+ return Status;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-02 23:52:41 +0000