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
@@ -334,6 +334,277 @@ LoadNameValueNames (
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Get the value of <Number> in <BlockConfig> format, i.e. the value of OFFSET
|
||||
or WIDTH or VALUE.
|
||||
<BlockConfig> ::= 'OFFSET='<Number>&'WIDTH='<Number>&'VALUE'=<Number>
|
||||
|
||||
This is a internal function.
|
||||
|
||||
@param StringPtr String in <BlockConfig> format and points to the
|
||||
first character of <Number>.
|
||||
@param Number The output value. Caller takes the responsibility
|
||||
to free memory.
|
||||
@param Len Length of the <Number>, in characters.
|
||||
|
||||
@retval EFI_OUT_OF_RESOURCES Insufficient resources to store neccessary
|
||||
structures.
|
||||
@retval EFI_SUCCESS Value of <Number> is outputted in Number
|
||||
successfully.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
GetValueOfNumber (
|
||||
IN EFI_STRING StringPtr,
|
||||
OUT UINT8 **Number,
|
||||
OUT UINTN *Len
|
||||
)
|
||||
{
|
||||
EFI_STRING TmpPtr;
|
||||
UINTN Length;
|
||||
EFI_STRING Str;
|
||||
UINT8 *Buf;
|
||||
EFI_STATUS Status;
|
||||
UINT8 DigitUint8;
|
||||
UINTN Index;
|
||||
CHAR16 TemStr[2];
|
||||
|
||||
if (StringPtr == NULL || *StringPtr == L'\0' || Number == NULL || Len == NULL) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
Buf = NULL;
|
||||
|
||||
TmpPtr = StringPtr;
|
||||
while (*StringPtr != L'\0' && *StringPtr != L'&') {
|
||||
StringPtr++;
|
||||
}
|
||||
*Len = StringPtr - TmpPtr;
|
||||
Length = *Len + 1;
|
||||
|
||||
Str = (EFI_STRING) AllocateZeroPool (Length * sizeof (CHAR16));
|
||||
if (Str == NULL) {
|
||||
Status = EFI_OUT_OF_RESOURCES;
|
||||
goto Exit;
|
||||
}
|
||||
CopyMem (Str, TmpPtr, *Len * sizeof (CHAR16));
|
||||
*(Str + *Len) = L'\0';
|
||||
|
||||
Length = (Length + 1) / 2;
|
||||
Buf = (UINT8 *) AllocateZeroPool (Length);
|
||||
if (Buf == NULL) {
|
||||
Status = EFI_OUT_OF_RESOURCES;
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
Length = *Len;
|
||||
ZeroMem (TemStr, sizeof (TemStr));
|
||||
for (Index = 0; Index < Length; Index ++) {
|
||||
TemStr[0] = Str[Length - Index - 1];
|
||||
DigitUint8 = (UINT8) StrHexToUint64 (TemStr);
|
||||
if ((Index & 1) == 0) {
|
||||
Buf [Index/2] = DigitUint8;
|
||||
} else {
|
||||
Buf [Index/2] = (UINT8) ((DigitUint8 << 4) + Buf [Index/2]);
|
||||
}
|
||||
}
|
||||
|
||||
*Number = Buf;
|
||||
Status = EFI_SUCCESS;
|
||||
|
||||
Exit:
|
||||
if (Str != NULL) {
|
||||
FreePool (Str);
|
||||
}
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
/**
|
||||
Create altcfg string.
|
||||
|
||||
@param Result The request result string.
|
||||
@param ConfigHdr The request head info. <ConfigHdr> format.
|
||||
@param Offset The offset of the parameter int he structure.
|
||||
@param Width The width of the parameter.
|
||||
|
||||
|
||||
@retval The string with altcfg info append at the end.
|
||||
**/
|
||||
EFI_STRING
|
||||
CreateAltCfgString (
|
||||
IN EFI_STRING Result,
|
||||
IN EFI_STRING ConfigHdr,
|
||||
IN UINTN Offset,
|
||||
IN UINTN Width
|
||||
)
|
||||
{
|
||||
EFI_STRING StringPtr;
|
||||
EFI_STRING TmpStr;
|
||||
UINTN NewLen;
|
||||
|
||||
NewLen = (((1 + StrLen (ConfigHdr) + 8 + 4) + (8 + 4 + 7 + 4 + 7 + 4)) * 2 + StrLen (Result)) * sizeof (CHAR16);
|
||||
StringPtr = AllocateZeroPool (NewLen);
|
||||
if (StringPtr == NULL) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
TmpStr = StringPtr;
|
||||
if (Result != NULL) {
|
||||
StrCpy (StringPtr, Result);
|
||||
StringPtr += StrLen (Result);
|
||||
FreePool (Result);
|
||||
}
|
||||
|
||||
UnicodeSPrint (
|
||||
StringPtr,
|
||||
(1 + StrLen (ConfigHdr) + 8 + 4 + 1) * sizeof (CHAR16),
|
||||
L"&%s&ALTCFG=%04x",
|
||||
ConfigHdr,
|
||||
EFI_HII_DEFAULT_CLASS_STANDARD
|
||||
);
|
||||
StringPtr += StrLen (StringPtr);
|
||||
|
||||
UnicodeSPrint (
|
||||
StringPtr,
|
||||
(8 + 4 + 7 + 4 + 7 + 4 + 1) * sizeof (CHAR16),
|
||||
L"&OFFSET=%04x&WIDTH=%04x&VALUE=%04x",
|
||||
Offset,
|
||||
Width,
|
||||
DEFAULT_CLASS_STANDARD_VALUE
|
||||
);
|
||||
StringPtr += StrLen (StringPtr);
|
||||
|
||||
UnicodeSPrint (
|
||||
StringPtr,
|
||||
(1 + StrLen (ConfigHdr) + 8 + 4 + 1) * sizeof (CHAR16),
|
||||
L"&%s&ALTCFG=%04x",
|
||||
ConfigHdr,
|
||||
EFI_HII_DEFAULT_CLASS_MANUFACTURING
|
||||
);
|
||||
StringPtr += StrLen (StringPtr);
|
||||
|
||||
UnicodeSPrint (
|
||||
StringPtr,
|
||||
(8 + 4 + 7 + 4 + 7 + 4 + 1) * sizeof (CHAR16),
|
||||
L"&OFFSET=%04x&WIDTH=%04x&VALUE=%04x",
|
||||
Offset,
|
||||
Width,
|
||||
DEFAULT_CLASS_MANUFACTURING_VALUE
|
||||
);
|
||||
StringPtr += StrLen (StringPtr);
|
||||
|
||||
return TmpStr;
|
||||
}
|
||||
|
||||
/**
|
||||
Check whether need to add the altcfg string. if need to add, add the altcfg
|
||||
string.
|
||||
|
||||
@param RequestResult The request result string.
|
||||
@param ConfigRequestHdr The request head info. <ConfigHdr> format.
|
||||
|
||||
**/
|
||||
VOID
|
||||
AppendAltCfgString (
|
||||
IN OUT EFI_STRING *RequestResult,
|
||||
IN EFI_STRING ConfigRequestHdr
|
||||
)
|
||||
{
|
||||
EFI_STRING StringPtr;
|
||||
EFI_STRING TmpPtr;
|
||||
UINTN Length;
|
||||
UINT8 *TmpBuffer;
|
||||
UINTN Offset;
|
||||
UINTN Width;
|
||||
UINTN BlockSize;
|
||||
UINTN ValueOffset;
|
||||
UINTN ValueWidth;
|
||||
EFI_STATUS Status;
|
||||
|
||||
StringPtr = *RequestResult;
|
||||
StringPtr = StrStr (StringPtr, L"OFFSET");
|
||||
BlockSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);
|
||||
ValueOffset = OFFSET_OF (DRIVER_SAMPLE_CONFIGURATION, GetDefaultValueFromAccess);
|
||||
ValueWidth = sizeof (((DRIVER_SAMPLE_CONFIGURATION *)0)->GetDefaultValueFromAccess);
|
||||
|
||||
if (StringPtr == NULL) {
|
||||
return;
|
||||
}
|
||||
|
||||
while (*StringPtr != 0 && StrnCmp (StringPtr, L"OFFSET=", StrLen (L"OFFSET=")) == 0) {
|
||||
//
|
||||
// Back up the header of one <BlockName>
|
||||
//
|
||||
TmpPtr = StringPtr;
|
||||
|
||||
StringPtr += StrLen (L"OFFSET=");
|
||||
//
|
||||
// Get Offset
|
||||
//
|
||||
Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);
|
||||
if (EFI_ERROR (Status)) {
|
||||
return;
|
||||
}
|
||||
Offset = 0;
|
||||
CopyMem (
|
||||
&Offset,
|
||||
TmpBuffer,
|
||||
(((Length + 1) / 2) < sizeof (UINTN)) ? ((Length + 1) / 2) : sizeof (UINTN)
|
||||
);
|
||||
FreePool (TmpBuffer);
|
||||
|
||||
StringPtr += Length;
|
||||
if (StrnCmp (StringPtr, L"&WIDTH=", StrLen (L"&WIDTH=")) != 0) {
|
||||
return;
|
||||
}
|
||||
StringPtr += StrLen (L"&WIDTH=");
|
||||
|
||||
//
|
||||
// Get Width
|
||||
//
|
||||
Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);
|
||||
if (EFI_ERROR (Status)) {
|
||||
return;
|
||||
}
|
||||
Width = 0;
|
||||
CopyMem (
|
||||
&Width,
|
||||
TmpBuffer,
|
||||
(((Length + 1) / 2) < sizeof (UINTN)) ? ((Length + 1) / 2) : sizeof (UINTN)
|
||||
);
|
||||
FreePool (TmpBuffer);
|
||||
|
||||
StringPtr += Length;
|
||||
if (StrnCmp (StringPtr, L"&VALUE=", StrLen (L"&VALUE=")) != 0) {
|
||||
return;
|
||||
}
|
||||
StringPtr += StrLen (L"&VALUE=");
|
||||
|
||||
//
|
||||
// Get Width
|
||||
//
|
||||
Status = GetValueOfNumber (StringPtr, &TmpBuffer, &Length);
|
||||
if (EFI_ERROR (Status)) {
|
||||
return;
|
||||
}
|
||||
StringPtr += Length;
|
||||
|
||||
//
|
||||
// Calculate Value and convert it to hex string.
|
||||
//
|
||||
if (Offset + Width > BlockSize) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (Offset <= ValueOffset && Offset + Width >= ValueOffset + ValueWidth) {
|
||||
*RequestResult = CreateAltCfgString(*RequestResult, ConfigRequestHdr, Offset, Width);
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
This function allows a caller to extract the current configuration for one
|
||||
or more named elements from the target driver.
|
||||
@@ -429,6 +700,7 @@ ExtractConfig (
|
||||
AllocatedRequest = TRUE;
|
||||
UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);
|
||||
FreePool (ConfigRequestHdr);
|
||||
ConfigRequestHdr = NULL;
|
||||
} else {
|
||||
//
|
||||
// Check routing data in <ConfigHdr>.
|
||||
@@ -557,6 +829,8 @@ ExtractConfig (
|
||||
Results,
|
||||
Progress
|
||||
);
|
||||
ConfigRequestHdr = HiiConstructConfigHdr (&mFormSetGuid, VariableName, PrivateData->DriverHandle[0]);
|
||||
AppendAltCfgString(Results, ConfigRequestHdr);
|
||||
}
|
||||
|
||||
//
|
||||
@@ -565,6 +839,10 @@ ExtractConfig (
|
||||
if (AllocatedRequest) {
|
||||
FreePool (ConfigRequest);
|
||||
}
|
||||
|
||||
if (ConfigRequestHdr != NULL) {
|
||||
FreePool (ConfigRequestHdr);
|
||||
}
|
||||
//
|
||||
// Set Progress string to the original request string.
|
||||
//
|
||||
@@ -939,6 +1217,34 @@ DriverCallback (
|
||||
}
|
||||
break;
|
||||
|
||||
case EFI_BROWSER_ACTION_DEFAULT_STANDARD:
|
||||
{
|
||||
switch (QuestionId) {
|
||||
case 0x1240:
|
||||
Value->u8 = DEFAULT_CLASS_STANDARD_VALUE;
|
||||
break;
|
||||
|
||||
default:
|
||||
Status = EFI_UNSUPPORTED;
|
||||
break;
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case EFI_BROWSER_ACTION_DEFAULT_MANUFACTURING:
|
||||
{
|
||||
switch (QuestionId) {
|
||||
case 0x1240:
|
||||
Value->u8 = DEFAULT_CLASS_MANUFACTURING_VALUE;
|
||||
break;
|
||||
|
||||
default:
|
||||
Status = EFI_UNSUPPORTED;
|
||||
break;
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case EFI_BROWSER_ACTION_CHANGING:
|
||||
{
|
||||
switch (QuestionId) {
|
||||
|
||||
Reference in New Issue
Block a user