mirror of https://github.com/acidanthera/audk.git
Add two new methods to get default value, also add sample code in sample driver.
Add sample code to use time opcode Signed-off-by: ydong10 Reviewed-by: lgao4 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11688 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
ydong10
parent
d4cb06e122
commit
ee31d1be52
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@ -334,6 +334,277 @@ LoadNameValueNames (
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return EFI_SUCCESS;
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}
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/**
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Get the value of <Number> in <BlockConfig> format, i.e. the value of OFFSET
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or WIDTH or VALUE.
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<BlockConfig> ::= 'OFFSET='<Number>&'WIDTH='<Number>&'VALUE'=<Number>
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This is a internal function.
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@param StringPtr String in <BlockConfig> format and points to the
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first character of <Number>.
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@param Number The output value. Caller takes the responsibility
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to free memory.
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@param Len Length of the <Number>, in characters.
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@retval EFI_OUT_OF_RESOURCES Insufficient resources to store neccessary
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structures.
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@retval EFI_SUCCESS Value of <Number> is outputted in Number
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successfully.
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**/
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EFI_STATUS
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GetValueOfNumber (
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IN EFI_STRING StringPtr,
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OUT UINT8 **Number,
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OUT UINTN *Len
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)
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{
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EFI_STRING TmpPtr;
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UINTN Length;
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EFI_STRING Str;
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UINT8 *Buf;
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EFI_STATUS Status;
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UINT8 DigitUint8;
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UINTN Index;
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CHAR16 TemStr[2];
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if (StringPtr == NULL || *StringPtr == L'\0' || Number == NULL || Len == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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Buf = NULL;
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TmpPtr = StringPtr;
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while (*StringPtr != L'\0' && *StringPtr != L'&') {
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StringPtr++;
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}
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*Len = StringPtr - TmpPtr;
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Length = *Len + 1;
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Str = (EFI_STRING) AllocateZeroPool (Length * sizeof (CHAR16));
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if (Str == NULL) {
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Status = EFI_OUT_OF_RESOURCES;
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goto Exit;
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}
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CopyMem (Str, TmpPtr, *Len * sizeof (CHAR16));
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*(Str + *Len) = L'\0';
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Length = (Length + 1) / 2;
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Buf = (UINT8 *) AllocateZeroPool (Length);
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if (Buf == NULL) {
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Status = EFI_OUT_OF_RESOURCES;
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goto Exit;
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}
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Length = *Len;
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ZeroMem (TemStr, sizeof (TemStr));
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for (Index = 0; Index < Length; Index ++) {
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TemStr[0] = Str[Length - Index - 1];
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DigitUint8 = (UINT8) StrHexToUint64 (TemStr);
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if ((Index & 1) == 0) {
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Buf [Index/2] = DigitUint8;
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} else {
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Buf [Index/2] = (UINT8) ((DigitUint8 << 4) + Buf [Index/2]);
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}
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}
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*Number = Buf;
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Status = EFI_SUCCESS;
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Exit:
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if (Str != NULL) {
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FreePool (Str);
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}
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return Status;
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}
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/**
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Create altcfg string.
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@param Result The request result string.
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@param ConfigHdr The request head info. <ConfigHdr> format.
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@param Offset The offset of the parameter int he structure.
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@param Width The width of the parameter.
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@retval The string with altcfg info append at the end.
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**/
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EFI_STRING
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CreateAltCfgString (
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IN EFI_STRING Result,
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IN EFI_STRING ConfigHdr,
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IN UINTN Offset,
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IN UINTN Width
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)
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{
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EFI_STRING StringPtr;
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EFI_STRING TmpStr;
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UINTN NewLen;
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NewLen = (((1 + StrLen (ConfigHdr) + 8 + 4) + (8 + 4 + 7 + 4 + 7 + 4)) * 2 + StrLen (Result)) * sizeof (CHAR16);
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StringPtr = AllocateZeroPool (NewLen);
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if (StringPtr == NULL) {
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return NULL;
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}
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TmpStr = StringPtr;
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if (Result != NULL) {
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StrCpy (StringPtr, Result);
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StringPtr += StrLen (Result);
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FreePool (Result);
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}
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UnicodeSPrint (
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StringPtr,
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(1 + StrLen (ConfigHdr) + 8 + 4 + 1) * sizeof (CHAR16),
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L"&%s&ALTCFG=%04x",
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ConfigHdr,
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EFI_HII_DEFAULT_CLASS_STANDARD
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);
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StringPtr += StrLen (StringPtr);
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UnicodeSPrint (
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StringPtr,
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(8 + 4 + 7 + 4 + 7 + 4 + 1) * sizeof (CHAR16),
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L"&OFFSET=%04x&WIDTH=%04x&VALUE=%04x",
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Offset,
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Width,
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DEFAULT_CLASS_STANDARD_VALUE
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);
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StringPtr += StrLen (StringPtr);
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UnicodeSPrint (
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StringPtr,
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(1 + StrLen (ConfigHdr) + 8 + 4 + 1) * sizeof (CHAR16),
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L"&%s&ALTCFG=%04x",
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ConfigHdr,
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EFI_HII_DEFAULT_CLASS_MANUFACTURING
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);
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StringPtr += StrLen (StringPtr);
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UnicodeSPrint (
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StringPtr,
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(8 + 4 + 7 + 4 + 7 + 4 + 1) * sizeof (CHAR16),
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L"&OFFSET=%04x&WIDTH=%04x&VALUE=%04x",
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Offset,
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Width,
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DEFAULT_CLASS_MANUFACTURING_VALUE
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);
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StringPtr += StrLen (StringPtr);
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return TmpStr;
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}
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/**
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Check whether need to add the altcfg string. if need to add, add the altcfg
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string.
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@param RequestResult The request result string.
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@param ConfigRequestHdr The request head info. <ConfigHdr> format.
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**/
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VOID
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AppendAltCfgString (
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IN OUT EFI_STRING *RequestResult,
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IN EFI_STRING ConfigRequestHdr
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)
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{
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EFI_STRING StringPtr;
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EFI_STRING TmpPtr;
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UINTN Length;
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UINT8 *TmpBuffer;
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UINTN Offset;
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UINTN Width;
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UINTN BlockSize;
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UINTN ValueOffset;
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UINTN ValueWidth;
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EFI_STATUS Status;
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StringPtr = *RequestResult;
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StringPtr = StrStr (StringPtr, L"OFFSET");
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BlockSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);
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ValueOffset = OFFSET_OF (DRIVER_SAMPLE_CONFIGURATION, GetDefaultValueFromAccess);
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ValueWidth = sizeof (((DRIVER_SAMPLE_CONFIGURATION *)0)->GetDefaultValueFromAccess);
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if (StringPtr == NULL) {
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return;
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}
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while (*StringPtr != 0 && StrnCmp (StringPtr, L"OFFSET=", StrLen (L"OFFSET=")) == 0) {
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//
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// Back up the header of one <BlockName>
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//
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TmpPtr = StringPtr;
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StringPtr += StrLen (L"OFFSET=");
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//
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// Get Offset
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//
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Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);
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if (EFI_ERROR (Status)) {
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return;
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}
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Offset = 0;
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CopyMem (
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&Offset,
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TmpBuffer,
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(((Length + 1) / 2) < sizeof (UINTN)) ? ((Length + 1) / 2) : sizeof (UINTN)
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);
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FreePool (TmpBuffer);
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StringPtr += Length;
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if (StrnCmp (StringPtr, L"&WIDTH=", StrLen (L"&WIDTH=")) != 0) {
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return;
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}
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StringPtr += StrLen (L"&WIDTH=");
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//
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// Get Width
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//
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Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);
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if (EFI_ERROR (Status)) {
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return;
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}
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Width = 0;
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CopyMem (
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&Width,
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TmpBuffer,
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(((Length + 1) / 2) < sizeof (UINTN)) ? ((Length + 1) / 2) : sizeof (UINTN)
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);
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FreePool (TmpBuffer);
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StringPtr += Length;
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if (StrnCmp (StringPtr, L"&VALUE=", StrLen (L"&VALUE=")) != 0) {
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return;
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}
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StringPtr += StrLen (L"&VALUE=");
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//
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// Get Width
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//
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Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);
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if (EFI_ERROR (Status)) {
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return;
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}
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StringPtr += Length;
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//
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// Calculate Value and convert it to hex string.
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//
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if (Offset + Width > BlockSize) {
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return;
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}
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if (Offset <= ValueOffset && Offset + Width >= ValueOffset + ValueWidth) {
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*RequestResult = CreateAltCfgString(*RequestResult, ConfigRequestHdr, Offset, Width);
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return;
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}
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}
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}
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/**
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This function allows a caller to extract the current configuration for one
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or more named elements from the target driver.
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@ -429,6 +700,7 @@ ExtractConfig (
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AllocatedRequest = TRUE;
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UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);
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FreePool (ConfigRequestHdr);
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ConfigRequestHdr = NULL;
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} else {
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//
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// Check routing data in <ConfigHdr>.
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@ -557,6 +829,8 @@ ExtractConfig (
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Results,
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Progress
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);
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ConfigRequestHdr = HiiConstructConfigHdr (&mFormSetGuid, VariableName, PrivateData->DriverHandle[0]);
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AppendAltCfgString(Results, ConfigRequestHdr);
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}
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//
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@ -565,6 +839,10 @@ ExtractConfig (
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if (AllocatedRequest) {
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FreePool (ConfigRequest);
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}
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if (ConfigRequestHdr != NULL) {
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FreePool (ConfigRequestHdr);
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}
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//
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// Set Progress string to the original request string.
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//
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@ -939,6 +1217,34 @@ DriverCallback (
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}
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break;
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case EFI_BROWSER_ACTION_DEFAULT_STANDARD:
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{
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switch (QuestionId) {
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case 0x1240:
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Value->u8 = DEFAULT_CLASS_STANDARD_VALUE;
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break;
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default:
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Status = EFI_UNSUPPORTED;
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break;
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}
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}
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break;
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case EFI_BROWSER_ACTION_DEFAULT_MANUFACTURING:
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{
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switch (QuestionId) {
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case 0x1240:
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Value->u8 = DEFAULT_CLASS_MANUFACTURING_VALUE;
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break;
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default:
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Status = EFI_UNSUPPORTED;
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break;
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}
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}
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break;
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case EFI_BROWSER_ACTION_CHANGING:
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{
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switch (QuestionId) {
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@ -65,6 +65,9 @@ extern UINT8 DriverSampleStrings[];
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#define DYNAMIC_ONE_OF_VAR_OFFSET OFFSET_OF (DRIVER_SAMPLE_CONFIGURATION, DynamicOneof)
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#define DYNAMIC_ORDERED_LIST_VAR_OFFSET OFFSET_OF (DRIVER_SAMPLE_CONFIGURATION, DynamicOrderedList)
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#define DEFAULT_CLASS_MANUFACTURING_VALUE 0xFF
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#define DEFAULT_CLASS_STANDARD_VALUE 0x0
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//
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// Number of name in Name/Value storage
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//
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@ -74,6 +74,9 @@ typedef struct {
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UINT8 SerialPortStatus;
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UINT16 SerialPortIo;
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UINT8 SerialPortIrq;
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UINT8 GetDefaultValueFromCallBack;
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UINT8 GetDefaultValueFromAccess;
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EFI_HII_TIME Time;
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} DRIVER_SAMPLE_CONFIGURATION;
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//
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@ -386,6 +386,28 @@ formset
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endnumeric;
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endif;
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numeric varid = MyIfrNVData.GetDefaultValueFromAccess,
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questionid = 0x1239,
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prompt = STRING_TOKEN(STR_DEFAULT_VALUE_FROM_ACCESS_PROMPT),
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help = STRING_TOKEN(STR_DEFAULT_VALUE_FROM_ACCESS_HELP),
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flags = DISPLAY_UINT_HEX | INTERACTIVE,
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minimum = 0,
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maximum = 255,
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step = 1,
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default = 18,
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endnumeric;
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numeric varid = MyIfrNVData.GetDefaultValueFromCallBack,
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questionid = 0x1240,
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prompt = STRING_TOKEN(STR_DEFAULT_VALUE_FROM_CALLBACK_PROMPT),
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help = STRING_TOKEN(STR_DEFAULT_VALUE_FROM_CALLBACK_HELP),
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flags = DISPLAY_UINT_HEX | INTERACTIVE,
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minimum = 0,
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maximum = 255,
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step = 1,
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default = 18,
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endnumeric;
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resetbutton
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defaultstore = MyStandardDefault,
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prompt = STRING_TOKEN(STR_STANDARD_DEFAULT_PROMPT),
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@ -534,6 +556,15 @@ formset
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endtime;
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time
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name = MyTime,
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varid = MyIfrNVData.Time,
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prompt = STRING_TOKEN(STR_TIME_PROMPT),
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help = STRING_TOKEN(STR_TIME_PROMPT),
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flags = STORAGE_NORMAL,
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default = 15:33:33,
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endtime;
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checkbox varid = MyIfrNVData.ChooseToActivateNuclearWeaponry,
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prompt = STRING_TOKEN(STR_CHECK_BOX_PROMPT),
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help = STRING_TOKEN(STR_CHECK_BOX_HELP),
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|
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Binary file not shown.
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@ -1027,6 +1027,11 @@ SetupBrowser (
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default:
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break;
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}
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} else if (Status == EFI_UNSUPPORTED) {
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//
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// If return EFI_UNSUPPORTED, also consider Hii driver suceess deal with it.
|
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//
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Status = EFI_SUCCESS;
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}
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}
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if (SubmitFormIsRequired) {
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@ -1151,6 +1156,11 @@ SetupBrowser (
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Selection->FormId = Selection->Form->FormId;
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Selection->QuestionId = 0;
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}
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} else {
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//
|
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// If return EFI_UNSUPPORTED, also consider Hii driver suceess deal with it.
|
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//
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Status = EFI_SUCCESS;
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}
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}
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@ -1216,6 +1226,11 @@ SetupBrowser (
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default:
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break;
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}
|
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} else if (Status == EFI_UNSUPPORTED) {
|
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//
|
||||
// If return EFI_UNSUPPORTED, also consider Hii driver suceess deal with it.
|
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//
|
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Status = EFI_SUCCESS;
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}
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}
|
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if (SubmitFormIsRequired) {
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|
|
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|||
|
|
@ -1804,6 +1804,221 @@ SubmitForm (
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return EFI_SUCCESS;
|
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}
|
||||
|
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/**
|
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Get Question default value from AltCfg string.
|
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|
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@param FormSet The form set.
|
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@param Question The question.
|
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@param DefaultId The default Id.
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@retval EFI_SUCCESS Question is reset to default value.
|
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|
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**/
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EFI_STATUS
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GetDefaultValueFromAltCfg (
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IN FORM_BROWSER_FORMSET *FormSet,
|
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IN OUT FORM_BROWSER_STATEMENT *Question,
|
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IN UINT16 DefaultId
|
||||
)
|
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{
|
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BOOLEAN IsBufferStorage;
|
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BOOLEAN IsString;
|
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UINTN Length;
|
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FORMSET_STORAGE *Storage;
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CHAR16 *ConfigRequest;
|
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CHAR16 *Progress;
|
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CHAR16 *Result;
|
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CHAR16 *ConfigResp;
|
||||
CHAR16 *Value;
|
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CHAR16 *StringPtr;
|
||||
UINTN LengthStr;
|
||||
UINT8 *Dst;
|
||||
CHAR16 TemStr[5];
|
||||
UINTN Index;
|
||||
UINT8 DigitUint8;
|
||||
EFI_STATUS Status;
|
||||
|
||||
Status = EFI_NOT_FOUND;
|
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Length = 0;
|
||||
Dst = NULL;
|
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ConfigRequest = NULL;
|
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Result = NULL;
|
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ConfigResp = NULL;
|
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Storage = Question->Storage;
|
||||
|
||||
if ((Storage == NULL) || (Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)) {
|
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return Status;
|
||||
}
|
||||
|
||||
//
|
||||
// Question Value is provided by Buffer Storage or NameValue Storage
|
||||
//
|
||||
if (Question->BufferValue != NULL) {
|
||||
//
|
||||
// This Question is password or orderedlist
|
||||
//
|
||||
Dst = Question->BufferValue;
|
||||
} else {
|
||||
//
|
||||
// Other type of Questions
|
||||
//
|
||||
Dst = (UINT8 *) &Question->HiiValue.Value;
|
||||
}
|
||||
|
||||
IsBufferStorage = (BOOLEAN) ((Storage->Type == EFI_HII_VARSTORE_BUFFER) ? TRUE : FALSE);
|
||||
IsString = (BOOLEAN) ((Question->HiiValue.Type == EFI_IFR_TYPE_STRING) ? TRUE : FALSE);
|
||||
|
||||
//
|
||||
// <ConfigRequest> ::= <ConfigHdr> + <BlockName> ||
|
||||
// <ConfigHdr> + "&" + <VariableName>
|
||||
//
|
||||
if (IsBufferStorage) {
|
||||
Length = StrLen (Storage->ConfigHdr);
|
||||
Length += StrLen (Question->BlockName);
|
||||
} else {
|
||||
Length = StrLen (Storage->ConfigHdr);
|
||||
Length += StrLen (Question->VariableName) + 1;
|
||||
}
|
||||
ConfigRequest = AllocateZeroPool ((Length + 1) * sizeof (CHAR16));
|
||||
ASSERT (ConfigRequest != NULL);
|
||||
|
||||
StrCpy (ConfigRequest, Storage->ConfigHdr);
|
||||
if (IsBufferStorage) {
|
||||
StrCat (ConfigRequest, Question->BlockName);
|
||||
} else {
|
||||
StrCat (ConfigRequest, L"&");
|
||||
StrCat (ConfigRequest, Question->VariableName);
|
||||
}
|
||||
|
||||
Status = FormSet->ConfigAccess->ExtractConfig (
|
||||
FormSet->ConfigAccess,
|
||||
ConfigRequest,
|
||||
&Progress,
|
||||
&Result
|
||||
);
|
||||
if (EFI_ERROR (Status)) {
|
||||
goto Done;
|
||||
}
|
||||
|
||||
//
|
||||
// Call ConfigRouting GetAltCfg(ConfigRoute, <ConfigResponse>, Guid, Name, DevicePath, AltCfgId, AltCfgResp)
|
||||
// Get the default configuration string according to the default ID.
|
||||
//
|
||||
Status = mHiiConfigRouting->GetAltConfig (
|
||||
mHiiConfigRouting,
|
||||
Result,
|
||||
&Storage->Guid,
|
||||
Storage->Name,
|
||||
NULL,
|
||||
&DefaultId, // it can be NULL to get the current setting.
|
||||
&ConfigResp
|
||||
);
|
||||
|
||||
//
|
||||
// The required setting can't be found. So, it is not required to be validated and set.
|
||||
//
|
||||
if (EFI_ERROR (Status)) {
|
||||
goto Done;
|
||||
}
|
||||
|
||||
//
|
||||
// Skip <ConfigRequest>
|
||||
//
|
||||
Value = StrStr (ConfigResp, L"&VALUE");
|
||||
if (IsBufferStorage) {
|
||||
//
|
||||
// Skip "&VALUE"
|
||||
//
|
||||
Value = Value + 6;
|
||||
}
|
||||
if (*Value != '=') {
|
||||
Status = EFI_NOT_FOUND;
|
||||
goto Done;
|
||||
}
|
||||
//
|
||||
// Skip '=', point to value
|
||||
//
|
||||
Value = Value + 1;
|
||||
|
||||
//
|
||||
// Suppress <AltResp> if any
|
||||
//
|
||||
StringPtr = Value;
|
||||
while (*StringPtr != L'\0' && *StringPtr != L'&') {
|
||||
StringPtr++;
|
||||
}
|
||||
*StringPtr = L'\0';
|
||||
|
||||
LengthStr = StrLen (Value);
|
||||
if (!IsBufferStorage && IsString) {
|
||||
StringPtr = (CHAR16 *) Dst;
|
||||
ZeroMem (TemStr, sizeof (TemStr));
|
||||
for (Index = 0; Index < LengthStr; Index += 4) {
|
||||
StrnCpy (TemStr, Value + Index, 4);
|
||||
StringPtr[Index/4] = (CHAR16) StrHexToUint64 (TemStr);
|
||||
}
|
||||
//
|
||||
// Add tailing L'\0' character
|
||||
//
|
||||
StringPtr[Index/4] = L'\0';
|
||||
} else {
|
||||
ZeroMem (TemStr, sizeof (TemStr));
|
||||
for (Index = 0; Index < LengthStr; Index ++) {
|
||||
TemStr[0] = Value[LengthStr - Index - 1];
|
||||
DigitUint8 = (UINT8) StrHexToUint64 (TemStr);
|
||||
if ((Index & 1) == 0) {
|
||||
Dst [Index/2] = DigitUint8;
|
||||
} else {
|
||||
Dst [Index/2] = (UINT8) ((DigitUint8 << 4) + Dst [Index/2]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Done:
|
||||
if (ConfigRequest != NULL){
|
||||
FreePool (ConfigRequest);
|
||||
}
|
||||
|
||||
if (ConfigResp != NULL) {
|
||||
FreePool (ConfigResp);
|
||||
}
|
||||
|
||||
if (Result != NULL) {
|
||||
FreePool (Result);
|
||||
}
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
/**
|
||||
Get default Id value used for browser.
|
||||
|
||||
@param DefaultId The default id value used by hii.
|
||||
|
||||
@retval Browser used default value.
|
||||
|
||||
**/
|
||||
INTN
|
||||
GetDefaultIdForCallBack (
|
||||
UINTN DefaultId
|
||||
)
|
||||
{
|
||||
if (DefaultId == EFI_HII_DEFAULT_CLASS_STANDARD) {
|
||||
return EFI_BROWSER_ACTION_DEFAULT_STANDARD;
|
||||
} else if (DefaultId == EFI_HII_DEFAULT_CLASS_MANUFACTURING) {
|
||||
return EFI_BROWSER_ACTION_DEFAULT_MANUFACTURING;
|
||||
} else if (DefaultId == EFI_HII_DEFAULT_CLASS_SAFE) {
|
||||
return EFI_BROWSER_ACTION_DEFAULT_SAFE;
|
||||
} else if (DefaultId >= EFI_HII_DEFAULT_CLASS_PLATFORM_BEGIN && DefaultId < EFI_HII_DEFAULT_CLASS_PLATFORM_BEGIN + 0x1000) {
|
||||
return EFI_BROWSER_ACTION_DEFAULT_PLATFORM + DefaultId - EFI_HII_DEFAULT_CLASS_PLATFORM_BEGIN;
|
||||
} else if (DefaultId >= EFI_HII_DEFAULT_CLASS_HARDWARE_BEGIN && DefaultId < EFI_HII_DEFAULT_CLASS_HARDWARE_BEGIN + 0x1000) {
|
||||
return EFI_BROWSER_ACTION_DEFAULT_HARDWARE + DefaultId - EFI_HII_DEFAULT_CLASS_HARDWARE_BEGIN;
|
||||
} else if (DefaultId >= EFI_HII_DEFAULT_CLASS_FIRMWARE_BEGIN && DefaultId < EFI_HII_DEFAULT_CLASS_FIRMWARE_BEGIN + 0x1000) {
|
||||
return EFI_BROWSER_ACTION_DEFAULT_FIRMWARE + DefaultId - EFI_HII_DEFAULT_CLASS_FIRMWARE_BEGIN;
|
||||
} else {
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
Reset Question to its default value.
|
||||
|
|
@ -1831,6 +2046,9 @@ GetQuestionDefault (
|
|||
EFI_HII_VALUE *HiiValue;
|
||||
UINT8 Index;
|
||||
EFI_STRING StrValue;
|
||||
EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;
|
||||
EFI_BROWSER_ACTION_REQUEST ActionRequest;
|
||||
INTN Action;
|
||||
|
||||
Status = EFI_SUCCESS;
|
||||
StrValue = NULL;
|
||||
|
|
@ -1843,13 +2061,45 @@ GetQuestionDefault (
|
|||
}
|
||||
|
||||
//
|
||||
// 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)
|
||||
// There are Five ways to specify default value for a Question:
|
||||
// 1, use call back function (highest priority)
|
||||
// 2, use ExtractConfig function
|
||||
// 3, use nested EFI_IFR_DEFAULT
|
||||
// 4, set flags of EFI_ONE_OF_OPTION (provide Standard and Manufacturing default)
|
||||
// 5, set flags of EFI_IFR_CHECKBOX (provide Standard and Manufacturing default) (lowest priority)
|
||||
//
|
||||
HiiValue = &Question->HiiValue;
|
||||
|
||||
//
|
||||
// Get Question defaut value from call back function.
|
||||
//
|
||||
ConfigAccess = FormSet->ConfigAccess;
|
||||
Action = GetDefaultIdForCallBack (DefaultId);
|
||||
if ((Action > 0) && ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) && (ConfigAccess != NULL)) {
|
||||
ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;
|
||||
Status = ConfigAccess->Callback (
|
||||
ConfigAccess,
|
||||
Action,
|
||||
Question->QuestionId,
|
||||
HiiValue->Type,
|
||||
&HiiValue->Value,
|
||||
&ActionRequest
|
||||
);
|
||||
if (!EFI_ERROR (Status)) {
|
||||
return Status;
|
||||
}
|
||||
}
|
||||
|
||||
//
|
||||
// Get default value from altcfg string.
|
||||
//
|
||||
if (ConfigAccess != NULL) {
|
||||
Status = GetDefaultValueFromAltCfg(FormSet, Question, DefaultId);
|
||||
if (!EFI_ERROR (Status)) {
|
||||
return Status;
|
||||
}
|
||||
}
|
||||
|
||||
//
|
||||
// EFI_IFR_DEFAULT has highest priority
|
||||
//
|
||||
|
|
|
|||
Loading…
Reference in New Issue