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Enable buffer type when process some expression opcode which support buffer type. 

Signed-off-by: ydong10
Reviewed-by: lgao4

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12739 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
ydong10 2011-11-18 07:07:31 +00:00
parent ef40f0f6d6
commit 901ba0e78d
4 changed files with 218 additions and 49 deletions
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216
MdeModulePkg/Universal/SetupBrowserDxe/Expression.c
View File

@ -140,6 +140,11 @@ PushStack (
// Push the item onto the stack
//
CopyMem (*StackPtr, Data, sizeof (EFI_HII_VALUE));
if (Data->Type == EFI_IFR_TYPE_BUFFER) {
(*StackPtr)->Buffer = AllocateCopyPool(Data->BufferLen, Data->Buffer);
ASSERT ((*StackPtr)->Buffer != NULL);
}
*StackPtr = *StackPtr + 1;
return EFI_SUCCESS;
@ -703,6 +708,7 @@ IfrToString (
CHAR16 *String;
CHAR16 *PrintFormat;
CHAR16 Buffer[MAXIMUM_VALUE_CHARACTERS];
UINT8 *TmpBuf;
UINTN BufferSize;
Status = PopExpression (&Value);
@ -744,7 +750,27 @@ IfrToString (
case EFI_IFR_TYPE_BOOLEAN:
String = (Value.Value.b) ? L"True" : L"False";
break;
case EFI_IFR_TYPE_BUFFER:
//
// + 3 is base on the unicode format, the length may be odd number,
// so need 1 byte to align, also need 2 bytes for L'\0'.
//
TmpBuf = AllocateZeroPool (Value.BufferLen + 3);
if (Format == EFI_IFR_STRING_ASCII) {
CopyMem (TmpBuf, Value.Buffer, Value.BufferLen);
PrintFormat = L"%a";
} else {
// Format == EFI_IFR_STRING_UNICODE
CopyMem (TmpBuf, Value.Buffer, Value.BufferLen * sizeof (CHAR16));
PrintFormat = L"%s";
}
UnicodeSPrint (Buffer, MAXIMUM_VALUE_CHARACTERS, PrintFormat, Value.Buffer);
String = Buffer;
FreePool (TmpBuf);
FreePool (Value.Buffer);
break;
default:
return EFI_UNSUPPORTED;
}
@ -781,7 +807,7 @@ IfrToUint (
return Status;
}
if (Value.Type >= EFI_IFR_TYPE_OTHER) {
if (Value.Type >= EFI_IFR_TYPE_OTHER && Value.Type != EFI_IFR_TYPE_BUFFER) {
return EFI_UNSUPPORTED;
}
@ -806,6 +832,13 @@ IfrToUint (
Result->Value.u64 = StrDecimalToUint64 (String);
}
FreePool (String);
} else if (Value.Type == EFI_IFR_TYPE_BUFFER) {
if (Value.BufferLen > 8) {
FreePool (Value.Buffer);
return EFI_UNSUPPORTED;
}
Result->Value.u64 = *(UINT64*) Value.Buffer;
FreePool (Value.Buffer);
} else {
CopyMem (Result, &Value, sizeof (EFI_HII_VALUE));
}
@ -832,7 +865,7 @@ IfrCatenate (
)
{
EFI_STATUS Status;
EFI_HII_VALUE Value;
EFI_HII_VALUE Value[2];
CHAR16 *String[2];
UINTN Index;
CHAR16 *StringPtr;
@ -846,35 +879,54 @@ IfrCatenate (
String[1] = NULL;
StringPtr = NULL;
Status = EFI_SUCCESS;
ZeroMem (Value, sizeof (Value));
for (Index = 0; Index < 2; Index++) {
Status = PopExpression (&Value);
Status = PopExpression (&Value[Index]);
if (EFI_ERROR (Status)) {
goto Done;
}
if (Value.Type != EFI_IFR_TYPE_STRING) {
if (Value[Index].Type != EFI_IFR_TYPE_STRING && Value[Index].Type != EFI_IFR_TYPE_BUFFER) {
Status = EFI_UNSUPPORTED;
goto Done;
}
String[Index] = GetToken (Value.Value.string, FormSet->HiiHandle);
if (String[Index] == NULL) {
Status = EFI_NOT_FOUND;
goto Done;
if (Value[Index].Type == EFI_IFR_TYPE_STRING) {
String[Index] = GetToken (Value[Index].Value.string, FormSet->HiiHandle);
if (String[Index] == NULL) {
Status = EFI_NOT_FOUND;
goto Done;
}
}
}
Size = StrSize (String[0]);
StringPtr= AllocatePool (StrSize (String[1]) + Size);
ASSERT (StringPtr != NULL);
StrCpy (StringPtr, String[1]);
StrCat (StringPtr, String[0]);
if (Value[0].Type == EFI_IFR_TYPE_STRING) {
Size = StrSize (String[0]);
StringPtr= AllocatePool (StrSize (String[1]) + Size);
ASSERT (StringPtr != NULL);
StrCpy (StringPtr, String[1]);
StrCat (StringPtr, String[0]);
Result->Type = EFI_IFR_TYPE_STRING;
Result->Value.string = NewString (StringPtr, FormSet->HiiHandle);
Result->Type = EFI_IFR_TYPE_STRING;
Result->Value.string = NewString (StringPtr, FormSet->HiiHandle);
} else {
Result->Type = EFI_IFR_TYPE_BUFFER;
Result->BufferLen = (UINT16) (Value[0].BufferLen + Value[1].BufferLen);
Result->Buffer = AllocateZeroPool (Result->BufferLen);
ASSERT (Result->Buffer != NULL);
CopyMem (Result->Buffer, Value[0].Buffer, Value[0].BufferLen);
CopyMem (&Result->Buffer[Value[0].BufferLen], Value[1].Buffer, Value[1].BufferLen);
}
Done:
if (Value[0].Buffer != NULL) {
FreePool (Value[0].Buffer);
}
if (Value[1].Buffer != NULL) {
FreePool (Value[1].Buffer);
}
if (String[0] != NULL) {
FreePool (String[0]);
}
@ -1061,6 +1113,8 @@ IfrMid (
UINTN Base;
UINTN Length;
CHAR16 *SubString;
UINT8 *Buffer;
UINT16 BufferLen;
Status = PopExpression (&Value);
if (EFI_ERROR (Status)) {
@ -1084,28 +1138,46 @@ IfrMid (
if (EFI_ERROR (Status)) {
return Status;
}
if (Value.Type != EFI_IFR_TYPE_STRING) {
if (Value.Type != EFI_IFR_TYPE_STRING && Value.Type != EFI_IFR_TYPE_BUFFER) {
return EFI_UNSUPPORTED;
}
String = GetToken (Value.Value.string, FormSet->HiiHandle);
if (String == NULL) {
return EFI_NOT_FOUND;
}
if (Length == 0 || Base >= StrLen (String)) {
SubString = gEmptyString;
} else {
SubString = String + Base;
if ((Base + Length) < StrLen (String)) {
SubString[Length] = L'\0';
if (Value.Type == EFI_IFR_TYPE_STRING) {
String = GetToken (Value.Value.string, FormSet->HiiHandle);
if (String == NULL) {
return EFI_NOT_FOUND;
}
if (Length == 0 || Base >= StrLen (String)) {
SubString = gEmptyString;
} else {
SubString = String + Base;
if ((Base + Length) < StrLen (String)) {
SubString[Length] = L'\0';
}
}
Result->Type = EFI_IFR_TYPE_STRING;
Result->Value.string = NewString (SubString, FormSet->HiiHandle);
FreePool (String);
} else {
Buffer = Value.Buffer;
BufferLen = Value.BufferLen;
Result->Type = EFI_IFR_TYPE_BUFFER;
if (Length == 0 || Base >= BufferLen) {
Result->BufferLen = 0;
Result->Buffer = NULL;
} else {
Result->BufferLen = (UINT16)((BufferLen - Base) < Length ? (BufferLen - Base) : Length);
Result->Buffer = AllocateZeroPool (Result->BufferLen);
ASSERT (Result->Buffer != NULL);
CopyMem (Result->Buffer, &Value.Buffer[Base], Result->BufferLen);
}
FreePool (Value.Buffer);
}
Result->Type = EFI_IFR_TYPE_STRING;
Result->Value.string = NewString (SubString, FormSet->HiiHandle);
FreePool (String);
return Status;
}
@ -1392,9 +1464,12 @@ CompareHiiValue (
INT64 Temp64;
CHAR16 *Str1;
CHAR16 *Str2;
UINTN Len;
if (Value1->Type >= EFI_IFR_TYPE_OTHER || Value2->Type >= EFI_IFR_TYPE_OTHER ) {
return EFI_INVALID_PARAMETER;
if (Value1->Type != EFI_IFR_TYPE_BUFFER && Value2->Type != EFI_IFR_TYPE_BUFFER) {
return EFI_INVALID_PARAMETER;
}
}
if (Value1->Type == EFI_IFR_TYPE_STRING || Value2->Type == EFI_IFR_TYPE_STRING ) {
@ -1438,6 +1513,26 @@ CompareHiiValue (
return Result;
}
if (Value1->Type == EFI_IFR_TYPE_BUFFER || Value2->Type == EFI_IFR_TYPE_BUFFER ) {
if (Value1->Type != Value2->Type) {
//
// Both Operator should be type of Buffer.
//
return EFI_INVALID_PARAMETER;
}
Len = Value1->BufferLen > Value2->BufferLen ? Value2->BufferLen : Value1->BufferLen;
Result = CompareMem (Value1->Buffer, Value2->Buffer, Len);
if ((Result == 0) && (Value1->BufferLen != Value2->BufferLen))
{
//
// In this case, means base on samll number buffer, the data is same
// So which value has more data, which value is bigger.
//
Result = Value1->BufferLen > Value2->BufferLen ? 1 : -1;
}
return Result;
}
//
// Take remain types(integer, boolean, date/time) as integer
//
@ -1925,20 +2020,26 @@ EvaluateExpression (
if (EFI_ERROR (Status)) {
goto Done;
}
if (Value->Type != EFI_IFR_TYPE_STRING) {
if (Value->Type != EFI_IFR_TYPE_STRING && Value->Type != EFI_IFR_TYPE_BUFFER) {
Status = EFI_INVALID_PARAMETER;
goto Done;
}
StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);
if (StrPtr == NULL) {
Status = EFI_INVALID_PARAMETER;
goto Done;
}
if (Value->Type == EFI_IFR_TYPE_STRING) {
StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);
if (StrPtr == NULL) {
Status = EFI_INVALID_PARAMETER;
goto Done;
}
Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;
Value->Value.u64 = StrLen (StrPtr);
FreePool (StrPtr);
Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;
Value->Value.u64 = StrLen (StrPtr);
FreePool (StrPtr);
} else {
Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;
Value->Value.u64 = Value->BufferLen;
FreePool (Value->Buffer);
}
break;
case EFI_IFR_NOT_OP:
@ -2054,6 +2155,24 @@ EvaluateExpression (
}
FreePool (StrPtr);
Value->Type = EFI_IFR_TYPE_BOOLEAN;
} else if (Value->Type == EFI_IFR_TYPE_BUFFER) {
//
// When converting from a buffer, if the buffer is all zeroes,
// then push False. Otherwise push True.
//
for (Index =0; Index < Value->BufferLen; Index ++) {
if (Value->Buffer[Index] != 0) {
break;
}
}
if (Index >= Value->BufferLen) {
Value->Value.b = FALSE;
} else {
Value->Value.b = TRUE;
}
Value->Type = EFI_IFR_TYPE_BOOLEAN;
FreePool (Value->Buffer);
}
break;
@ -2359,7 +2478,9 @@ EvaluateExpression (
if (EFI_ERROR (Status)) {
goto Done;
}
if (Data2.Type > EFI_IFR_TYPE_BOOLEAN && Data2.Type != EFI_IFR_TYPE_STRING) {
if (Data2.Type > EFI_IFR_TYPE_BOOLEAN &&
Data2.Type != EFI_IFR_TYPE_STRING &&
Data2.Type != EFI_IFR_TYPE_BUFFER) {
Status = EFI_INVALID_PARAMETER;
goto Done;
}
@ -2373,6 +2494,11 @@ EvaluateExpression (
}
Result = CompareHiiValue (&Data1, &Data2, FormSet->HiiHandle);
if (Data1.Type == EFI_IFR_TYPE_BUFFER) {
FreePool (Data1.Buffer);
FreePool (Data2.Buffer);
}
if (Result == EFI_INVALID_PARAMETER) {
Status = EFI_INVALID_PARAMETER;
goto Done;

4
MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c
View File

@ -1841,6 +1841,10 @@ ParseOpCodes (
CurrentStatement->StorageWidth = (UINT16) (CurrentStatement->MaxContainers * Width);
CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth);
CurrentStatement->ValueType = CurrentOption->Value.Type;
if (CurrentStatement->HiiValue.Type == EFI_IFR_TYPE_BUFFER) {
CurrentStatement->HiiValue.Buffer = CurrentStatement->BufferValue;
CurrentStatement->HiiValue.BufferLen = CurrentStatement->StorageWidth;
}
InitializeRequestElement (FormSet, CurrentStatement, CurrentForm);
}

45
MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
View File

@ -1234,7 +1234,19 @@ GetQuestionValue (
if (Question->ValueExpression != NULL) {
Status = EvaluateExpression (FormSet, Form, Question->ValueExpression);
if (!EFI_ERROR (Status)) {
CopyMem (&Question->HiiValue, &Question->ValueExpression->Result, sizeof (EFI_HII_VALUE));
if (Question->ValueExpression->Result.Type == EFI_IFR_TYPE_BUFFER) {
ASSERT (Question->HiiValue.Type == EFI_IFR_TYPE_BUFFER && Question->HiiValue.Buffer != NULL);
if (Question->StorageWidth > Question->ValueExpression->Result.BufferLen) {
CopyMem (Question->HiiValue.Buffer, Question->ValueExpression->Result.Buffer, Question->ValueExpression->Result.BufferLen);
Question->HiiValue.BufferLen = Question->ValueExpression->Result.BufferLen;
} else {
CopyMem (Question->HiiValue.Buffer, Question->ValueExpression->Result.Buffer, Question->StorageWidth);
Question->HiiValue.BufferLen = Question->StorageWidth;
}
FreePool (Question->ValueExpression->Result.Buffer);
}
Question->HiiValue.Type = Question->ValueExpression->Result.Type;
CopyMem (&Question->HiiValue.Value, &Question->ValueExpression->Result.Value, sizeof (EFI_IFR_TYPE_VALUE));
}
return Status;
}
@ -1244,11 +1256,24 @@ GetQuestionValue (
//
if (Question->ReadExpression != NULL && Form->FormType == STANDARD_MAP_FORM_TYPE) {
Status = EvaluateExpression (FormSet, Form, Question->ReadExpression);
if (!EFI_ERROR (Status) && (Question->ReadExpression->Result.Type < EFI_IFR_TYPE_OTHER)) {
if (!EFI_ERROR (Status) &&
((Question->ReadExpression->Result.Type < EFI_IFR_TYPE_OTHER) || (Question->ReadExpression->Result.Type == EFI_IFR_TYPE_BUFFER))) {
//
// Only update question value to the valid result.
//
CopyMem (&Question->HiiValue, &Question->ReadExpression->Result, sizeof (EFI_HII_VALUE));
if (Question->ReadExpression->Result.Type == EFI_IFR_TYPE_BUFFER) {
ASSERT (Question->HiiValue.Type == EFI_IFR_TYPE_BUFFER && Question->HiiValue.Buffer != NULL);
if (Question->StorageWidth > Question->ReadExpression->Result.BufferLen) {
CopyMem (Question->HiiValue.Buffer, Question->ReadExpression->Result.Buffer, Question->ReadExpression->Result.BufferLen);
Question->HiiValue.BufferLen = Question->ReadExpression->Result.BufferLen;
} else {
CopyMem (Question->HiiValue.Buffer, Question->ReadExpression->Result.Buffer, Question->StorageWidth);
Question->HiiValue.BufferLen = Question->StorageWidth;
}
FreePool (Question->ReadExpression->Result.Buffer);
}
Question->HiiValue.Type = Question->ReadExpression->Result.Type;
CopyMem (&Question->HiiValue.Value, &Question->ReadExpression->Result.Value, sizeof (EFI_IFR_TYPE_VALUE));
return EFI_SUCCESS;
}
}
@ -2795,7 +2820,19 @@ GetQuestionDefault (
return Status;
}
CopyMem (HiiValue, &Default->ValueExpression->Result, sizeof (EFI_HII_VALUE));
if (Default->ValueExpression->Result.Type == EFI_IFR_TYPE_BUFFER) {
ASSERT (HiiValue->Type == EFI_IFR_TYPE_BUFFER && Question->BufferValue != NULL);
if (Question->StorageWidth > Default->ValueExpression->Result.BufferLen) {
CopyMem (Question->HiiValue.Buffer, Default->ValueExpression->Result.Buffer, Default->ValueExpression->Result.BufferLen);
Question->HiiValue.BufferLen = Default->ValueExpression->Result.BufferLen;
} else {
CopyMem (Question->HiiValue.Buffer, Default->ValueExpression->Result.Buffer, Question->StorageWidth);
Question->HiiValue.BufferLen = Question->StorageWidth;
}
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

2
MdeModulePkg/Universal/SetupBrowserDxe/Setup.h
View File

@ -198,6 +198,8 @@ typedef struct {
typedef struct {
UINT8 Type;
UINT8 *Buffer;
UINT16 BufferLen;
EFI_IFR_TYPE_VALUE Value;
} EFI_HII_VALUE;