public static bool IsValidOperandSize(CpuType type, DataSize operandSize)
{
#region Contract
Contract.Requires <InvalidEnumArgumentException>(Enum.IsDefined(typeof(DataSize), operandSize));
#endregion
if (type != null)
{
// Test whether the specified operand size is part of the list
// of allowed operating modes for the CPU type.
return((type.OperatingModes & operandSize) != 0);
}
else
{
return(operandSize == DataSize.Bit16 ||
operandSize == DataSize.Bit32 ||
operandSize == DataSize.Bit64);
}
}
private static DataSize GetDefaultAddressingMode(CpuType type)
{
#region Contract
Contract.Ensures(Enum.IsDefined(typeof(DataSize), Contract.Result <DataSize>()));
Contract.Ensures(Contract.Result <DataSize>() != DataSize.None);
Contract.Ensures(IsValidAddressSize(type, Contract.Result <DataSize>()));
#endregion
// By default: 32-bit.
DataSize addressSize = DataSize.Bit32;
if (!IsValidAddressSize(type, addressSize))
{
// 32-bit not possible? Try 16-bit.
addressSize = DataSize.Bit16;
}
return(addressSize);
}
/// <summary>
/// Initializes a new instance of the <see cref="X86Architecture"/> class.
/// </summary>
/// <param name="type">The type of CPU.</param>
/// <remarks>
/// The <see cref="Features"/> are set according to the selected <paramref name="type"/>.
/// </remarks>
public X86Architecture(CpuType type)
: this(type, CpuFeatures.None, DataSize.None)
{
}