public override void Visit(AmlParser.DefIndexField defIndexField)
{
Node indexNode = acpiNamespace.LookupNode(defIndexField.indexName.nodePath, currentPath);
CheckObjectType(indexNode.Value, AcpiObjectType.FieldUnit);
AcpiObject.FieldUnit indexField = (AcpiObject.FieldUnit)(indexNode.Value.GetTarget());
Node dataNode = acpiNamespace.LookupNode(defIndexField.dataName.nodePath, currentPath);
CheckObjectType(dataNode.Value, AcpiObjectType.FieldUnit);
AcpiObject.FieldUnit dataField = (AcpiObject.FieldUnit)(dataNode.Value.GetTarget());
OperationRegion indexFieldRegion =
new OperationRegion(new IndexFieldOperationRegionAccessor(indexField, dataField),
RegionSpace.SystemIO /*unused*/, 0, 256 /*index field never exceeds 8 bits*/);
AccessType accessType = defIndexField.fieldFlags.accessType;
AccessAttrib accessAttrib = AccessAttrib.SMBNone;
int bitIndex = 0;
foreach (FieldElement fieldElement in defIndexField.fieldList)
{
switch (fieldElement.Tag)
{
case FieldElement.TagValue.NamedField:
AmlParser.NamedField namedField = fieldElement.GetAsNamedField();
Node node = acpiNamespace.LookupNode(
new NodePath(false /*isAbsolute*/, 0, new string[] { namedField.nameSeg.data }),
currentPath);
node.Value = new FieldUnit(indexFieldRegion, bitIndex, namedField.bitWidth,
accessType, accessAttrib,
defIndexField.fieldFlags.lockRule,
defIndexField.fieldFlags.updateRule);
bitIndex += namedField.bitWidth;
break;
case FieldElement.TagValue.ReservedField:
AmlParser.ReservedField reservedField = fieldElement.GetAsReservedField();
bitIndex += reservedField.bitWidth;
break;
case FieldElement.TagValue.AccessField:
AmlParser.AccessField accessField = fieldElement.GetAsAccessField();
accessType = accessField.accessType;
accessAttrib = accessField.accessAttrib;
break;
default:
throw new LoadException("Unhandled alternative in switch over 'FieldElement'");
}
}
}
public override void Visit(AmlParser.DefBankField defBankField)
{
Node operationRegionNode = acpiNamespace.LookupNode(defBankField.regionName.nodePath, currentPath);
CheckObjectType(operationRegionNode.Value, AcpiObjectType.OperationRegion);
// TODO: BankFields are not used in the test files and appear to involve some kind of
// "bank selection register". Need to understand this properly to implement it, but for
// leaving unimplemented. Commented out below is some code to use as a starting point.
throw new LoadException("BankField unimplemented");
#if false
AccessType accessType = defBankField.fieldFlags.accessType;
AccessAttrib accessAttrib = AccessAttrib.SMBNone;
int bitIndex = 0;
foreach (FieldElement fieldElement in defBankField.fieldList)
{
switch (fieldElement.Tag)
{
case FieldElement.TagValue.NamedField:
AmlParser.NamedField namedField = fieldElement.GetAsNamedField();
Node node = acpiNamespace.LookupNode(
new NodePath(false /*isAbsolute*/, 0, new string[] { namedField.nameSeg.data }),
currentPath);
node.Value = new FieldUnit((AcpiObject.OperationRegion)operationRegionNode.Value,
bitIndex, namedField.bitWidth,
accessType, accessAttrib,
defBankField.fieldFlags.lockRule,
defBankField.fieldFlags.updateRule);
bitIndex += namedField.bitWidth;
break;
case FieldElement.TagValue.ReservedField:
AmlParser.ReservedField reservedField = fieldElement.GetAsReservedField();
bitIndex += reservedField.bitWidth;
break;
case FieldElement.TagValue.AccessField:
AmlParser.AccessField accessField = fieldElement.GetAsAccessField();
accessType = accessField.accessType;
accessAttrib = accessField.accessAttrib;
break;
default:
throw new LoadException("Unhandled alternative in switch over 'FieldElement'");
}
}
#endif
}
public override void Visit(AmlParser.DefIndexField defIndexField)
{
foreach (FieldElement fieldElement in defIndexField.fieldList)
{
switch (fieldElement.Tag)
{
case FieldElement.TagValue.NamedField:
AmlParser.NamedField namedField = fieldElement.GetAsNamedField();
Node node = acpiNamespace.CreateNodeAt(
new NodePath(false /*isAbsolute*/, 0, new string[] { namedField.nameSeg.data }),
currentPath);
break;
default:
break;
}
}
}
// SortedList will be Dictionary<string, FieldUnit> when generics are available
public static SortedList CreateFromFieldList(OperationRegion operationRegionNode,
FieldElement[] fieldList,
AccessType initialAccessType,
AccessAttrib initialAccessAttrib,
LockRule lockRule,
UpdateRule updateRule
)
{
SortedList result = new SortedList(); // = new Dictionary<string, FieldUnit>();
AccessType accessType = initialAccessType;
AccessAttrib accessAttrib = initialAccessAttrib;
int bitIndex = 0;
foreach (FieldElement fieldElement in fieldList)
{
switch (fieldElement.Tag)
{
case FieldElement.TagValue.NamedField:
AmlParser.NamedField namedField = fieldElement.GetAsNamedField();
result.Add(namedField.nameSeg.data,
new FieldUnit(operationRegionNode,
bitIndex, namedField.bitWidth,
accessType, accessAttrib, lockRule, updateRule));
bitIndex += namedField.bitWidth;
break;
case FieldElement.TagValue.ReservedField:
AmlParser.ReservedField reservedField = fieldElement.GetAsReservedField();
bitIndex += reservedField.bitWidth;
break;
case FieldElement.TagValue.AccessField:
AmlParser.AccessField accessField = fieldElement.GetAsAccessField();
accessType = accessField.accessType;
accessAttrib = accessField.accessAttrib;
break;
default:
throw new LoadException("Unhandled alternative in switch over 'FieldElement'");
}
}
return(result);
}
public virtual void Visit(AmlParser.NamedField namedField)
{
UnhandledNodeType("NamedField");
}
