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:
@@ -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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