return EFI_SUCCESS;\r
}\r
\r
+\r
+/**\r
+ Get the value of <Number> in <BlockConfig> format, i.e. the value of OFFSET\r
+ or WIDTH or VALUE.\r
+ <BlockConfig> ::= 'OFFSET='<Number>&'WIDTH='<Number>&'VALUE'=<Number>\r
+\r
+ This is a internal function.\r
+\r
+ @param StringPtr String in <BlockConfig> format and points to the\r
+ first character of <Number>.\r
+ @param Number The output value. Caller takes the responsibility\r
+ to free memory.\r
+ @param Len Length of the <Number>, in characters.\r
+\r
+ @retval EFI_OUT_OF_RESOURCES Insufficient resources to store neccessary\r
+ structures.\r
+ @retval EFI_SUCCESS Value of <Number> is outputted in Number\r
+ successfully.\r
+\r
+**/\r
+EFI_STATUS\r
+GetValueOfNumber (\r
+ IN EFI_STRING StringPtr,\r
+ OUT UINT8 **Number,\r
+ OUT UINTN *Len\r
+ )\r
+{\r
+ EFI_STRING TmpPtr;\r
+ UINTN Length;\r
+ EFI_STRING Str;\r
+ UINT8 *Buf;\r
+ EFI_STATUS Status;\r
+ UINT8 DigitUint8;\r
+ UINTN Index;\r
+ CHAR16 TemStr[2];\r
+\r
+ if (StringPtr == NULL || *StringPtr == L'\0' || Number == NULL || Len == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ Buf = NULL;\r
+\r
+ TmpPtr = StringPtr;\r
+ while (*StringPtr != L'\0' && *StringPtr != L'&') {\r
+ StringPtr++;\r
+ }\r
+ *Len = StringPtr - TmpPtr;\r
+ Length = *Len + 1;\r
+\r
+ Str = (EFI_STRING) AllocateZeroPool (Length * sizeof (CHAR16));\r
+ if (Str == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Exit;\r
+ }\r
+ CopyMem (Str, TmpPtr, *Len * sizeof (CHAR16));\r
+ *(Str + *Len) = L'\0';\r
+\r
+ Length = (Length + 1) / 2;\r
+ Buf = (UINT8 *) AllocateZeroPool (Length);\r
+ if (Buf == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Exit;\r
+ }\r
+ \r
+ Length = *Len;\r
+ ZeroMem (TemStr, sizeof (TemStr));\r
+ for (Index = 0; Index < Length; Index ++) {\r
+ TemStr[0] = Str[Length - Index - 1];\r
+ DigitUint8 = (UINT8) StrHexToUint64 (TemStr);\r
+ if ((Index & 1) == 0) {\r
+ Buf [Index/2] = DigitUint8;\r
+ } else {\r
+ Buf [Index/2] = (UINT8) ((DigitUint8 << 4) + Buf [Index/2]);\r
+ }\r
+ }\r
+\r
+ *Number = Buf;\r
+ Status = EFI_SUCCESS;\r
+\r
+Exit:\r
+ if (Str != NULL) {\r
+ FreePool (Str);\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Create altcfg string. \r
+\r
+ @param Result The request result string.\r
+ @param ConfigHdr The request head info. <ConfigHdr> format.\r
+ @param Offset The offset of the parameter int he structure.\r
+ @param Width The width of the parameter.\r
+\r
+\r
+ @retval The string with altcfg info append at the end.\r
+**/\r
+EFI_STRING \r
+CreateAltCfgString (\r
+ IN EFI_STRING Result,\r
+ IN EFI_STRING ConfigHdr,\r
+ IN UINTN Offset,\r
+ IN UINTN Width\r
+ )\r
+{\r
+ EFI_STRING StringPtr;\r
+ EFI_STRING TmpStr;\r
+ UINTN NewLen;\r
+\r
+ NewLen = (((1 + StrLen (ConfigHdr) + 8 + 4) + (8 + 4 + 7 + 4 + 7 + 4)) * 2 + StrLen (Result)) * sizeof (CHAR16);\r
+ StringPtr = AllocateZeroPool (NewLen);\r
+ if (StringPtr == NULL) {\r
+ return NULL;\r
+ }\r
+\r
+ TmpStr = StringPtr;\r
+ if (Result != NULL) {\r
+ StrCpy (StringPtr, Result);\r
+ StringPtr += StrLen (Result); \r
+ FreePool (Result);\r
+ }\r
+ \r
+ UnicodeSPrint (\r
+ StringPtr, \r
+ (1 + StrLen (ConfigHdr) + 8 + 4 + 1) * sizeof (CHAR16), \r
+ L"&%s&ALTCFG=%04x", \r
+ ConfigHdr, \r
+ EFI_HII_DEFAULT_CLASS_STANDARD\r
+ );\r
+ StringPtr += StrLen (StringPtr);\r
+\r
+ UnicodeSPrint (\r
+ StringPtr, \r
+ (8 + 4 + 7 + 4 + 7 + 4 + 1) * sizeof (CHAR16),\r
+ L"&OFFSET=%04x&WIDTH=%04x&VALUE=%04x", \r
+ Offset, \r
+ Width,\r
+ DEFAULT_CLASS_STANDARD_VALUE\r
+ );\r
+ StringPtr += StrLen (StringPtr); \r
+\r
+ UnicodeSPrint (\r
+ StringPtr, \r
+ (1 + StrLen (ConfigHdr) + 8 + 4 + 1) * sizeof (CHAR16), \r
+ L"&%s&ALTCFG=%04x", \r
+ ConfigHdr, \r
+ EFI_HII_DEFAULT_CLASS_MANUFACTURING\r
+ );\r
+ StringPtr += StrLen (StringPtr);\r
+\r
+ UnicodeSPrint (\r
+ StringPtr, \r
+ (8 + 4 + 7 + 4 + 7 + 4 + 1) * sizeof (CHAR16),\r
+ L"&OFFSET=%04x&WIDTH=%04x&VALUE=%04x", \r
+ Offset, \r
+ Width,\r
+ DEFAULT_CLASS_MANUFACTURING_VALUE\r
+ );\r
+ StringPtr += StrLen (StringPtr); \r
+\r
+ return TmpStr;\r
+}\r
+\r
+/**\r
+ Check whether need to add the altcfg string. if need to add, add the altcfg \r
+ string.\r
+\r
+ @param RequestResult The request result string.\r
+ @param ConfigRequestHdr The request head info. <ConfigHdr> format.\r
+\r
+**/\r
+VOID \r
+AppendAltCfgString (\r
+ IN OUT EFI_STRING *RequestResult,\r
+ IN EFI_STRING ConfigRequestHdr\r
+ )\r
+{\r
+ EFI_STRING StringPtr;\r
+ EFI_STRING TmpPtr;\r
+ UINTN Length;\r
+ UINT8 *TmpBuffer;\r
+ UINTN Offset;\r
+ UINTN Width;\r
+ UINTN BlockSize;\r
+ UINTN ValueOffset;\r
+ UINTN ValueWidth;\r
+ EFI_STATUS Status;\r
+\r
+ StringPtr = *RequestResult;\r
+ StringPtr = StrStr (StringPtr, L"OFFSET");\r
+ BlockSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r
+ ValueOffset = OFFSET_OF (DRIVER_SAMPLE_CONFIGURATION, GetDefaultValueFromAccess);\r
+ ValueWidth = sizeof (((DRIVER_SAMPLE_CONFIGURATION *)0)->GetDefaultValueFromAccess);\r
+\r
+ if (StringPtr == NULL) {\r
+ return;\r
+ }\r
+\r
+ while (*StringPtr != 0 && StrnCmp (StringPtr, L"OFFSET=", StrLen (L"OFFSET=")) == 0) {\r
+ //\r
+ // Back up the header of one <BlockName>\r
+ //\r
+ TmpPtr = StringPtr;\r
+\r
+ StringPtr += StrLen (L"OFFSET=");\r
+ //\r
+ // Get Offset\r
+ //\r
+ Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);\r
+ if (EFI_ERROR (Status)) {\r
+ return;\r
+ }\r
+ Offset = 0;\r
+ CopyMem (\r
+ &Offset,\r
+ TmpBuffer,\r
+ (((Length + 1) / 2) < sizeof (UINTN)) ? ((Length + 1) / 2) : sizeof (UINTN)\r
+ );\r
+ FreePool (TmpBuffer);\r
+\r
+ StringPtr += Length;\r
+ if (StrnCmp (StringPtr, L"&WIDTH=", StrLen (L"&WIDTH=")) != 0) {\r
+ return;\r
+ }\r
+ StringPtr += StrLen (L"&WIDTH=");\r
+\r
+ //\r
+ // Get Width\r
+ //\r
+ Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);\r
+ if (EFI_ERROR (Status)) {\r
+ return;\r
+ }\r
+ Width = 0;\r
+ CopyMem (\r
+ &Width,\r
+ TmpBuffer,\r
+ (((Length + 1) / 2) < sizeof (UINTN)) ? ((Length + 1) / 2) : sizeof (UINTN)\r
+ );\r
+ FreePool (TmpBuffer);\r
+\r
+ StringPtr += Length;\r
+ if (StrnCmp (StringPtr, L"&VALUE=", StrLen (L"&VALUE=")) != 0) {\r
+ return;\r
+ }\r
+ StringPtr += StrLen (L"&VALUE=");\r
+\r
+ //\r
+ // Get Width\r
+ //\r
+ Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);\r
+ if (EFI_ERROR (Status)) {\r
+ return;\r
+ }\r
+ StringPtr += Length;\r
+\r
+ //\r
+ // Calculate Value and convert it to hex string.\r
+ //\r
+ if (Offset + Width > BlockSize) {\r
+ return;\r
+ }\r
+\r
+ if (Offset <= ValueOffset && Offset + Width >= ValueOffset + ValueWidth) {\r
+ *RequestResult = CreateAltCfgString(*RequestResult, ConfigRequestHdr, Offset, Width);\r
+ return;\r
+ }\r
+ }\r
+}\r
+\r
/**\r
This function allows a caller to extract the current configuration for one\r
or more named elements from the target driver.\r
AllocatedRequest = TRUE;\r
UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);\r
FreePool (ConfigRequestHdr);\r
+ ConfigRequestHdr = NULL;\r
} else {\r
//\r
// Check routing data in <ConfigHdr>.\r
Results,\r
Progress\r
);\r
+ ConfigRequestHdr = HiiConstructConfigHdr (&mFormSetGuid, VariableName, PrivateData->DriverHandle[0]);\r
+ AppendAltCfgString(Results, ConfigRequestHdr);\r
}\r
\r
//\r
if (AllocatedRequest) {\r
FreePool (ConfigRequest);\r
}\r
+\r
+ if (ConfigRequestHdr != NULL) {\r
+ FreePool (ConfigRequestHdr);\r
+ }\r
//\r
// Set Progress string to the original request string.\r
//\r
}\r
break;\r
\r
+ case EFI_BROWSER_ACTION_DEFAULT_STANDARD:\r
+ {\r
+ switch (QuestionId) {\r
+ case 0x1240:\r
+ Value->u8 = DEFAULT_CLASS_STANDARD_VALUE;\r
+ break;\r
+\r
+ default:\r
+ Status = EFI_UNSUPPORTED;\r
+ break;\r
+ }\r
+ }\r
+ break;\r
+\r
+ case EFI_BROWSER_ACTION_DEFAULT_MANUFACTURING:\r
+ {\r
+ switch (QuestionId) {\r
+ case 0x1240:\r
+ Value->u8 = DEFAULT_CLASS_MANUFACTURING_VALUE;\r
+ break;\r
+\r
+ default:\r
+ Status = EFI_UNSUPPORTED; \r
+ break;\r
+ }\r
+ }\r
+ break;\r
+\r
case EFI_BROWSER_ACTION_CHANGING:\r
{\r
switch (QuestionId) {\r
#define DYNAMIC_ONE_OF_VAR_OFFSET OFFSET_OF (DRIVER_SAMPLE_CONFIGURATION, DynamicOneof)\r
#define DYNAMIC_ORDERED_LIST_VAR_OFFSET OFFSET_OF (DRIVER_SAMPLE_CONFIGURATION, DynamicOrderedList)\r
\r
+#define DEFAULT_CLASS_MANUFACTURING_VALUE 0xFF\r
+#define DEFAULT_CLASS_STANDARD_VALUE 0x0\r
+\r
//\r
// Number of name in Name/Value storage\r
//\r
UINT8 SerialPortStatus;\r
UINT16 SerialPortIo;\r
UINT8 SerialPortIrq;\r
+ UINT8 GetDefaultValueFromCallBack;\r
+ UINT8 GetDefaultValueFromAccess;\r
+ EFI_HII_TIME Time;\r
} DRIVER_SAMPLE_CONFIGURATION;\r
\r
//\r
\r
endnumeric;\r
endif;\r
+\r
+ numeric varid = MyIfrNVData.GetDefaultValueFromAccess,\r
+ questionid = 0x1239,\r
+ prompt = STRING_TOKEN(STR_DEFAULT_VALUE_FROM_ACCESS_PROMPT),\r
+ help = STRING_TOKEN(STR_DEFAULT_VALUE_FROM_ACCESS_HELP),\r
+ flags = DISPLAY_UINT_HEX | INTERACTIVE, \r
+ minimum = 0,\r
+ maximum = 255,\r
+ step = 1,\r
+ default = 18,\r
+ endnumeric;\r
+\r
+ numeric varid = MyIfrNVData.GetDefaultValueFromCallBack,\r
+ questionid = 0x1240,\r
+ prompt = STRING_TOKEN(STR_DEFAULT_VALUE_FROM_CALLBACK_PROMPT),\r
+ help = STRING_TOKEN(STR_DEFAULT_VALUE_FROM_CALLBACK_HELP),\r
+ flags = DISPLAY_UINT_HEX | INTERACTIVE, \r
+ minimum = 0,\r
+ maximum = 255,\r
+ step = 1,\r
+ default = 18,\r
+ endnumeric;\r
\r
resetbutton\r
defaultstore = MyStandardDefault,\r
default = 0,\r
\r
endtime;\r
-\r
+ \r
+ time \r
+ name = MyTime, \r
+ varid = MyIfrNVData.Time, \r
+ prompt = STRING_TOKEN(STR_TIME_PROMPT), \r
+ help = STRING_TOKEN(STR_TIME_PROMPT), \r
+ flags = STORAGE_NORMAL, \r
+ default = 15:33:33, \r
+ endtime;\r
+ \r
checkbox varid = MyIfrNVData.ChooseToActivateNuclearWeaponry,\r
prompt = STRING_TOKEN(STR_CHECK_BOX_PROMPT),\r
help = STRING_TOKEN(STR_CHECK_BOX_HELP),\r
default:\r
break;\r
}\r
+ } else if (Status == EFI_UNSUPPORTED) {\r
+ //\r
+ // If return EFI_UNSUPPORTED, also consider Hii driver suceess deal with it.\r
+ //\r
+ Status = EFI_SUCCESS;\r
}\r
}\r
if (SubmitFormIsRequired) {\r
Selection->FormId = Selection->Form->FormId;\r
Selection->QuestionId = 0;\r
}\r
+ } else {\r
+ //\r
+ // If return EFI_UNSUPPORTED, also consider Hii driver suceess deal with it.\r
+ //\r
+ Status = EFI_SUCCESS;\r
}\r
}\r
\r
default:\r
break;\r
}\r
+ } else if (Status == EFI_UNSUPPORTED) {\r
+ //\r
+ // If return EFI_UNSUPPORTED, also consider Hii driver suceess deal with it.\r
+ //\r
+ Status = EFI_SUCCESS;\r
}\r
}\r
if (SubmitFormIsRequired) {\r
return EFI_SUCCESS;\r
}\r
\r
+/**\r
+ Get Question default value from AltCfg string.\r
+\r
+ @param FormSet The form set.\r
+ @param Question The question.\r
+ @param DefaultId The default Id.\r
+\r
+ @retval EFI_SUCCESS Question is reset to default value.\r
+\r
+**/\r
+EFI_STATUS\r
+GetDefaultValueFromAltCfg (\r
+ IN FORM_BROWSER_FORMSET *FormSet,\r
+ IN OUT FORM_BROWSER_STATEMENT *Question,\r
+ IN UINT16 DefaultId\r
+ )\r
+{\r
+ BOOLEAN IsBufferStorage;\r
+ BOOLEAN IsString; \r
+ UINTN Length;\r
+ FORMSET_STORAGE *Storage;\r
+ CHAR16 *ConfigRequest;\r
+ CHAR16 *Progress;\r
+ CHAR16 *Result;\r
+ CHAR16 *ConfigResp;\r
+ CHAR16 *Value;\r
+ CHAR16 *StringPtr;\r
+ UINTN LengthStr;\r
+ UINT8 *Dst;\r
+ CHAR16 TemStr[5];\r
+ UINTN Index;\r
+ UINT8 DigitUint8;\r
+ EFI_STATUS Status;\r
+\r
+ Status = EFI_NOT_FOUND;\r
+ Length = 0;\r
+ Dst = NULL;\r
+ ConfigRequest = NULL;\r
+ Result = NULL;\r
+ ConfigResp = NULL;\r
+ Storage = Question->Storage;\r
+\r
+ if ((Storage == NULL) || (Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)) {\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // Question Value is provided by Buffer Storage or NameValue Storage\r
+ //\r
+ if (Question->BufferValue != NULL) {\r
+ //\r
+ // This Question is password or orderedlist\r
+ //\r
+ Dst = Question->BufferValue;\r
+ } else {\r
+ //\r
+ // Other type of Questions\r
+ //\r
+ Dst = (UINT8 *) &Question->HiiValue.Value;\r
+ }\r
+\r
+ IsBufferStorage = (BOOLEAN) ((Storage->Type == EFI_HII_VARSTORE_BUFFER) ? TRUE : FALSE);\r
+ IsString = (BOOLEAN) ((Question->HiiValue.Type == EFI_IFR_TYPE_STRING) ? TRUE : FALSE);\r
+\r
+ //\r
+ // <ConfigRequest> ::= <ConfigHdr> + <BlockName> ||\r
+ // <ConfigHdr> + "&" + <VariableName>\r
+ //\r
+ if (IsBufferStorage) {\r
+ Length = StrLen (Storage->ConfigHdr);\r
+ Length += StrLen (Question->BlockName);\r
+ } else {\r
+ Length = StrLen (Storage->ConfigHdr);\r
+ Length += StrLen (Question->VariableName) + 1;\r
+ }\r
+ ConfigRequest = AllocateZeroPool ((Length + 1) * sizeof (CHAR16));\r
+ ASSERT (ConfigRequest != NULL);\r
+\r
+ StrCpy (ConfigRequest, Storage->ConfigHdr);\r
+ if (IsBufferStorage) {\r
+ StrCat (ConfigRequest, Question->BlockName);\r
+ } else {\r
+ StrCat (ConfigRequest, L"&");\r
+ StrCat (ConfigRequest, Question->VariableName);\r
+ }\r
+\r
+ Status = FormSet->ConfigAccess->ExtractConfig (\r
+ FormSet->ConfigAccess,\r
+ ConfigRequest,\r
+ &Progress,\r
+ &Result\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // Call ConfigRouting GetAltCfg(ConfigRoute, <ConfigResponse>, Guid, Name, DevicePath, AltCfgId, AltCfgResp)\r
+ // Get the default configuration string according to the default ID.\r
+ //\r
+ Status = mHiiConfigRouting->GetAltConfig (\r
+ mHiiConfigRouting,\r
+ Result,\r
+ &Storage->Guid,\r
+ Storage->Name,\r
+ NULL,\r
+ &DefaultId, // it can be NULL to get the current setting.\r
+ &ConfigResp\r
+ );\r
+ \r
+ //\r
+ // The required setting can't be found. So, it is not required to be validated and set.\r
+ //\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // Skip <ConfigRequest>\r
+ //\r
+ Value = StrStr (ConfigResp, L"&VALUE");\r
+ if (IsBufferStorage) {\r
+ //\r
+ // Skip "&VALUE"\r
+ //\r
+ Value = Value + 6;\r
+ }\r
+ if (*Value != '=') {\r
+ Status = EFI_NOT_FOUND;\r
+ goto Done;\r
+ }\r
+ //\r
+ // Skip '=', point to value\r
+ //\r
+ Value = Value + 1;\r
+\r
+ //\r
+ // Suppress <AltResp> if any\r
+ //\r
+ StringPtr = Value;\r
+ while (*StringPtr != L'\0' && *StringPtr != L'&') {\r
+ StringPtr++;\r
+ }\r
+ *StringPtr = L'\0';\r
+\r
+ LengthStr = StrLen (Value);\r
+ if (!IsBufferStorage && IsString) {\r
+ StringPtr = (CHAR16 *) Dst;\r
+ ZeroMem (TemStr, sizeof (TemStr));\r
+ for (Index = 0; Index < LengthStr; Index += 4) {\r
+ StrnCpy (TemStr, Value + Index, 4);\r
+ StringPtr[Index/4] = (CHAR16) StrHexToUint64 (TemStr);\r
+ }\r
+ //\r
+ // Add tailing L'\0' character\r
+ //\r
+ StringPtr[Index/4] = L'\0';\r
+ } else {\r
+ ZeroMem (TemStr, sizeof (TemStr));\r
+ for (Index = 0; Index < LengthStr; Index ++) {\r
+ TemStr[0] = Value[LengthStr - Index - 1];\r
+ DigitUint8 = (UINT8) StrHexToUint64 (TemStr);\r
+ if ((Index & 1) == 0) {\r
+ Dst [Index/2] = DigitUint8;\r
+ } else {\r
+ Dst [Index/2] = (UINT8) ((DigitUint8 << 4) + Dst [Index/2]);\r
+ }\r
+ }\r
+ }\r
+\r
+Done:\r
+ if (ConfigRequest != NULL){\r
+ FreePool (ConfigRequest);\r
+ }\r
+\r
+ if (ConfigResp != NULL) {\r
+ FreePool (ConfigResp);\r
+ }\r
+ \r
+ if (Result != NULL) {\r
+ FreePool (Result);\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Get default Id value used for browser.\r
+\r
+ @param DefaultId The default id value used by hii.\r
+\r
+ @retval Browser used default value.\r
+\r
+**/\r
+INTN\r
+GetDefaultIdForCallBack (\r
+ UINTN DefaultId\r
+ )\r
+{ \r
+ if (DefaultId == EFI_HII_DEFAULT_CLASS_STANDARD) {\r
+ return EFI_BROWSER_ACTION_DEFAULT_STANDARD;\r
+ } else if (DefaultId == EFI_HII_DEFAULT_CLASS_MANUFACTURING) {\r
+ return EFI_BROWSER_ACTION_DEFAULT_MANUFACTURING;\r
+ } else if (DefaultId == EFI_HII_DEFAULT_CLASS_SAFE) {\r
+ return EFI_BROWSER_ACTION_DEFAULT_SAFE;\r
+ } else if (DefaultId >= EFI_HII_DEFAULT_CLASS_PLATFORM_BEGIN && DefaultId < EFI_HII_DEFAULT_CLASS_PLATFORM_BEGIN + 0x1000) {\r
+ return EFI_BROWSER_ACTION_DEFAULT_PLATFORM + DefaultId - EFI_HII_DEFAULT_CLASS_PLATFORM_BEGIN;\r
+ } else if (DefaultId >= EFI_HII_DEFAULT_CLASS_HARDWARE_BEGIN && DefaultId < EFI_HII_DEFAULT_CLASS_HARDWARE_BEGIN + 0x1000) {\r
+ return EFI_BROWSER_ACTION_DEFAULT_HARDWARE + DefaultId - EFI_HII_DEFAULT_CLASS_HARDWARE_BEGIN;\r
+ } else if (DefaultId >= EFI_HII_DEFAULT_CLASS_FIRMWARE_BEGIN && DefaultId < EFI_HII_DEFAULT_CLASS_FIRMWARE_BEGIN + 0x1000) {\r
+ return EFI_BROWSER_ACTION_DEFAULT_FIRMWARE + DefaultId - EFI_HII_DEFAULT_CLASS_FIRMWARE_BEGIN;\r
+ } else {\r
+ return -1;\r
+ }\r
+}\r
\r
/**\r
Reset Question to its default value.\r
EFI_HII_VALUE *HiiValue;\r
UINT8 Index;\r
EFI_STRING StrValue;\r
+ EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r
+ EFI_BROWSER_ACTION_REQUEST ActionRequest;\r
+ INTN Action;\r
\r
Status = EFI_SUCCESS;\r
StrValue = NULL;\r
}\r
\r
//\r
- // There are three ways to specify default value for a Question:\r
- // 1, use nested EFI_IFR_DEFAULT (highest priority)\r
- // 2, set flags of EFI_ONE_OF_OPTION (provide Standard and Manufacturing default)\r
- // 3, set flags of EFI_IFR_CHECKBOX (provide Standard and Manufacturing default) (lowest priority)\r
+ // There are Five ways to specify default value for a Question:\r
+ // 1, use call back function (highest priority)\r
+ // 2, use ExtractConfig function\r
+ // 3, use nested EFI_IFR_DEFAULT \r
+ // 4, set flags of EFI_ONE_OF_OPTION (provide Standard and Manufacturing default)\r
+ // 5, set flags of EFI_IFR_CHECKBOX (provide Standard and Manufacturing default) (lowest priority)\r
//\r
HiiValue = &Question->HiiValue;\r
\r
+ //\r
+ // Get Question defaut value from call back function.\r
+ //\r
+ ConfigAccess = FormSet->ConfigAccess;\r
+ Action = GetDefaultIdForCallBack (DefaultId);\r
+ if ((Action > 0) && ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) && (ConfigAccess != NULL)) {\r
+ ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;\r
+ Status = ConfigAccess->Callback (\r
+ ConfigAccess,\r
+ Action,\r
+ Question->QuestionId,\r
+ HiiValue->Type,\r
+ &HiiValue->Value,\r
+ &ActionRequest\r
+ );\r
+ if (!EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ }\r
+\r
+ //\r
+ // Get default value from altcfg string.\r
+ //\r
+ if (ConfigAccess != NULL) { \r
+ Status = GetDefaultValueFromAltCfg(FormSet, Question, DefaultId);\r
+ if (!EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ }\r
+\r
//\r
// EFI_IFR_DEFAULT has highest priority\r
//\r
projects / mirror_edk2.git / commitdiff