public Stream OpenBootImage()
{
BootInitialEntry initialEntry = GetBootInitialEntry();
if (initialEntry != null)
{
return(new SubStream(_data, initialEntry.ImageStart * IsoUtilities.SectorSize, initialEntry.SectorCount * Sizes.Sector));
}
else
{
throw new InvalidOperationException("No valid boot image");
}
}
/// <summary>
/// Sets the boot image for the ISO image.
/// </summary>
/// <param name="image">Stream containing the boot image.</param>
/// <param name="emulation">The type of emulation requested of the BIOS.</param>
/// <param name="loadSegment">The memory segment to load the image to (0 for default).</param>
public void SetBootImage(Stream image, BootDeviceEmulation emulation, int loadSegment)
{
if (_bootEntry != null)
{
throw new InvalidOperationException("Boot image already set");
}
_bootEntry = new BootInitialEntry();
_bootEntry.BootIndicator = 0x88;
_bootEntry.BootMediaType = emulation;
_bootEntry.LoadSegment = (ushort)loadSegment;
_bootEntry.SystemType = 0;
_bootImage = image;
}