private void AddBits0To8(CIRegisterVisualization aVisualization, bool aIsIABitReserved)
{
uint value = aVisualization.Register.Value;
// Processor mode
CIRegisterVisBitRange rangeProcMode = new CIRegisterVisBitRange(Container, 0, 4, "Processor Mode");
rangeProcMode.Interpretation = ArmRegisterBankUtils.BankAsStringLong(ProcessorMode);
rangeProcMode.ExtractBits(value, "########", "########", "########", "###11111");
aVisualization.AddChild(rangeProcMode);
// Thumb bit
CIRegisterVisBit thumbBit = CreateYesNoBit(aVisualization, 5, "########", "########", "########", "##1#####", false, "Thumb Mode", "T");
aVisualization.AddChild(thumbBit);
// FIQ, IRQ bits
CIRegisterVisBitGroup gpIRQs = new CIRegisterVisBitGroup(Container, "Interrupt Disabled Bits");
CIRegisterVisBit fiqBit = CreateYesNoBit(aVisualization, 6, "########", "########", "########", "#1######", false, "FIQ Disabled", "F");
gpIRQs.Add(fiqBit);
CIRegisterVisBit irqBit = CreateYesNoBit(aVisualization, 7, "########", "########", "########", "1#######", false, "IRQ Disabled", "I");
gpIRQs.Add(irqBit);
// Imprecise Abort bit - reserved in non-ARMv5
CIRegisterVisBit iaBit = CreateYesNoBit(aVisualization, 8, "########", "########", "#######1", "########", aIsIABitReserved, "Imprecise Aborts", "A");
gpIRQs.Add(iaBit);
aVisualization.AddChild(gpIRQs);
}
private CIRegisterVisBit CreateBitValue(CIRegisterVisualization aVisualization, int aIndex,
string aMaskByte3, string aMaskByte2, string aMaskByte1, string aMaskByte0,
bool aReserved, string aCategory, string aInterpretationSet, string aInterpretationClear, string aBitSetCharacter, string aBitClearCharacter)
{
uint value = aVisualization.Register.Value;
//
CIRegisterVisBit bit = new CIRegisterVisBit(Container, aIndex, VisUtilities.ExtractBit(value, aMaskByte3, aMaskByte2, aMaskByte1, aMaskByte0), aCategory, string.Empty);
bit.IsReserved = aReserved;
bit[TBit.EBitClear] = aBitClearCharacter;
bit[TBit.EBitSet] = aBitSetCharacter;
//
switch (bit.Value)
{
case TBit.EBitSet:
bit.Interpretation = aInterpretationSet;
break;
default:
case TBit.EBitClear:
bit.Interpretation = aInterpretationClear;
break;
}
//
return(bit);
}
public static IEnumerable <CIRegisterVisBit> ExtractBits(CIContainer aContainer, uint aValue, string aMask)
{
List <CIRegisterVisBit> ret = new List <CIRegisterVisBit>();
//
int shift = 0;
int sigBitCount = 0;
uint mask = MakeMask(aMask, out shift, out sigBitCount);
uint maskedValue = (aValue & mask) >> shift;
// Now make bits
for (int i = sigBitCount - 1; i >= 0; i--)
{
mask = (uint)(1u << i);
uint value = (maskedValue & mask) >> i;
CIRegisterVisBit bit = new CIRegisterVisBit(aContainer);
if (value != 0)
{
bit.Value = TBit.EBitSet;
}
ret.Add(bit);
}
return(ret.ToArray());
}
private void WriteBit(XmlWriter aWriter, CIRegisterVisBit aItem)
{
aWriter.WriteStartElement(SegConstants.ValueInterpretation_Entry_Interpretation_Bit);
// Index
aWriter.WriteAttributeString(SegConstants.CmnIndex, aItem.Index.ToString());
// Value
aWriter.WriteAttributeString(SegConstants.CmnValue, aItem.ToString());
// Category
aWriter.WriteAttributeString(SegConstants.ValueInterpretation_Entry_Category, aItem.Category);
// Reserved
if (aItem.IsReserved)
{
aWriter.WriteAttributeString(SegConstants.CmnType, SegConstants.ValueInterpretation_Entry_Reserved);
}
// Single character interpretation
aWriter.WriteAttributeString(SegConstants.ValueInterpretation_Entry_Interpretation_Bit_Char, aItem.ValueCharacter);
// Interpretation
if (!string.IsNullOrEmpty(aItem.Interpretation))
{
aWriter.WriteAttributeString(SegConstants.ValueInterpretation_Entry_Interpretation, aItem.Interpretation);
}
aWriter.WriteEndElement();
}
private CIRegisterVisBit CreateBitValue(CIRegisterVisualization aVisualization, int aIndex,
string aMaskByte3, string aMaskByte2, string aMaskByte1, string aMaskByte0,
bool aReserved, string aCategory, string aInterpretationSet, string aInterpretationClear, string aBitSetCharacter)
{
CIRegisterVisBit bit = CreateBitValue(aVisualization, aIndex, aMaskByte3, aMaskByte2, aMaskByte1, aMaskByte0, aReserved, aCategory, aInterpretationSet, aInterpretationClear, aBitSetCharacter, string.Empty);
return(bit);
}
private void AddEndianness(CIRegisterVisualization aVisualization, bool aIsReserved)
{
uint value = aVisualization.Register.Value;
CIRegisterVisBit eBit = CreateBitValue(aVisualization, 9, "###1####", "########", "######1#", "########", aIsReserved, "Endianness", "Big", "Little", "B", "L");
aVisualization.AddChild(eBit);
}
private void AddConditionCodeFlags(CIRegisterVisualization aVisualization)
{
uint value = aVisualization.Register.Value;
CIRegisterVisBitGroup group = new CIRegisterVisBitGroup(Container);
CIRegisterVisBit oBit = CreateYesNoBit(aVisualization, 28, "###1####", "########", "########", "########", false, "Overflow (Condition Code)", "O");
group.Add(oBit);
CIRegisterVisBit cBit = CreateYesNoBit(aVisualization, 29, "##1#####", "########", "########", "########", false, "Carry (Condition Code)", "C");
group.Add(cBit);
CIRegisterVisBit zBit = CreateYesNoBit(aVisualization, 30, "#1######", "########", "########", "########", false, "Zero (Condition Code)", "Z");
group.Add(zBit);
CIRegisterVisBit nBit = CreateYesNoBit(aVisualization, 31, "1#######", "########", "########", "########", false, "Negative (Condition Code)", "N");
group.Add(nBit);
aVisualization.AddChild(group);
}
private CIRegisterVisBit CreateYesNoBit(CIRegisterVisualization aVisualization, int aIndex, string aMaskByte3, string aMaskByte2, string aMaskByte1, string aMaskByte0, bool aReserved, string aCategory, string aBitSetCharacter)
{
CIRegisterVisBit bit = CreateBitValue(aVisualization, aIndex, aMaskByte3, aMaskByte2, aMaskByte1, aMaskByte0, aReserved, aCategory, "Yes", "No", aBitSetCharacter);
return(bit);
}
private void AddQFlag(CIRegisterVisualization aVisualization, bool aIsReserved)
{
CIRegisterVisBit bit = CreateYesNoBit(aVisualization, 27, "####1###", "########", "########", "########", aIsReserved, "Q-Flag (DSP Saturation/Overflow)", "Q");
aVisualization.AddChild(bit);
}
private void AddJazelle(CIRegisterVisualization aVisualization, bool aIsReserved)
{
CIRegisterVisBit bit = CreateYesNoBit(aVisualization, 24, "#######1", "########", "########", "########", aIsReserved, "Jazelle", "J");
aVisualization.AddChild(bit);
}
