private MEinfo GetMEFileInfo(Stream stream, string path, uint startoffset = 0, uint endoffset = 0)
{
stream.Seek(startoffset, SeekOrigin.Begin);
var meinfo = new MEinfo();
var handle = GCHandle.Alloc(new BinaryReader(stream).ReadBytes(Marshal.SizeOf(typeof(FptPreHeader))), GCHandleType.Pinned);
var fptPreHeader = (FptPreHeader)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(FptPreHeader));
handle.Free();
handle = GCHandle.Alloc(new BinaryReader(stream).ReadBytes(Marshal.SizeOf(typeof(FptHeader))), GCHandleType.Pinned);
var fptHeader = (FptHeader)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(FptHeader));
handle.Free();
var fptEntries = new List <FptEntry>();
for (var i = 0; i < fptHeader.NumPartitions; i++)
{
handle = GCHandle.Alloc(new BinaryReader(stream).ReadBytes(Marshal.SizeOf(typeof(FptEntry))), GCHandleType.Pinned);
var fptEntry = (FptEntry)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(FptEntry));
handle.Free();
fptEntries.Add(fptEntry);
}
var mn2Manifests = new List <Mn2Manifest>();
//foreach (var fptEntry in fptEntries.Where(fptEntry => (fptEntry.Flags & 0x00FF) == 0x80))
foreach (var fptEntry in fptEntries.Where(fptEntry => (new string(fptEntry.Name) == "FTPR")))
{
stream.Seek(fptEntry.Offset + startoffset, SeekOrigin.Begin);
var o = 0;
if (new string(new BinaryReader(stream).ReadChars(4)) == "$CPD")
{
o = new BinaryReader(stream).ReadByte() * 0x18 + 0x10;
}
stream.Seek(fptEntry.Offset + startoffset + o, SeekOrigin.Begin);
handle = GCHandle.Alloc(new BinaryReader(stream).ReadBytes(Marshal.SizeOf(typeof(Mn2Manifest))), GCHandleType.Pinned);
mn2Manifests.Add((Mn2Manifest)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(Mn2Manifest)));
handle.Free();
}
if (mn2Manifests.Count < 1)
{
throw new Exception($@"Unsupported ME version: {path.SafeFileName()}");
}
var manifest = mn2Manifests.First();
meinfo.Size = endoffset == 0 ? (uint)stream.Length : endoffset - startoffset;
meinfo.Path = path;
meinfo.Major = manifest.Major;
meinfo.Minor = manifest.Minor;
meinfo.Hotfix = manifest.Hotfix;
meinfo.Build = manifest.Build;
return(meinfo);
}
private void LoadBIOS(string path)
{
Log("----------------------------------------", LogLevel.Default);
BIOSfile = File.ReadAllBytes(path);
var stream = File.Open(path, FileMode.Open);
stream.Seek(0x10, SeekOrigin.Begin);
var magic = new BinaryReader(stream).ReadBytes(4);
if (magic.SequenceEqual(new byte[] { 0x5A, 0xA5, 0xF0, 0x0F })) // Flas descriptor sign. BIOS file
{
stream.Seek(0x14, SeekOrigin.Begin);
var flmap0 = new BinaryReader(stream).ReadUInt32();
var flmap1 = new BinaryReader(stream).ReadUInt32();
var nr = flmap0 >> 24 & 0x7;
var frba = flmap0 >> 12 & 0xff0;
//var fmba = (flmap1 & 0xff) << 4;
if (nr >= 2 || true)
{
Log("Intel BIOS image detected! :D", LogLevel.Info);
stream.Seek(frba, SeekOrigin.Begin);
//FLREG0 = Flash Descriptor
//FLREG1 = BIOS
//FLREG2 = ME
var flreg0 = new BinaryReader(stream).ReadUInt32();
var flreg1 = new BinaryReader(stream).ReadUInt32();
var flreg2 = new BinaryReader(stream).ReadUInt32();
//var fd_start = (flreg0 & 0x1fff) << 12;
//var fd_end = flreg0 >> 4 & 0x1fff000 | 0xfff + 1;
BIOS_ME_start_offset = (flreg2 & 0x1fff) << 12;
BIOS_ME_end_offset = flreg2 >> 4 & 0x1fff000 | 0xfff + 1;
if (BIOS_ME_start_offset >= BIOS_ME_end_offset)
{
throw new Exception("The ME/TXE region in this image has been disabled");
}
stream.Seek(BIOS_ME_start_offset + 0x10, SeekOrigin.Begin);
if (new string(new BinaryReader(stream).ReadChars(4)) != "$FPT")
{
throw new Exception("The ME/TXE region is corrupted or missing");
}
BIOS_ME_info = GetMEFileInfo(stream, path, BIOS_ME_start_offset, BIOS_ME_end_offset);
_mode = BIOS_ME_info.Major < 4 ? Mode.TXE : Mode.ME;
UpdateGUI();
Log("BIOS read successful! " + path.SafeFileName(), LogLevel.Info);
Log($"The {_mode} region goes from {BIOS_ME_start_offset:X8} to {BIOS_ME_end_offset:X8}", LogLevel.Info);
UpdateComboBox();
var offset = Find(BIOSfile, MSDM_table_pattern) + MSDM_offset;
if (offset - MSDM_offset != -1)
{
stream.Seek(offset, SeekOrigin.Begin);
var handle = GCHandle.Alloc(new BinaryReader(stream).ReadBytes(Marshal.SizeOf(typeof(MSDM))), GCHandleType.Pinned);
var MSDM = (MSDM)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(MSDM));
handle.Free();
WinKeyTextBox.Text = new string(MSDM.WinKey);
}
else
{
WinKeyTextBox.Text = @"none";
}
stream.Close();
return;
}
MessageBox.Show(flmap0 + " " + flmap1);
stream.Close();
throw new Exception("Number of partitions in file is less than 2! " + path.SafeFileName());
}
stream.Close();
ClearGUI();
BIOSfile = null;
throw new Exception("Invalid input file " + path.SafeFileName());
}
