/// <summary>
/// Processes the multiboot header
/// </summary>
/// <param name="header">The header</param>
/// <param name="magic">The magic multiboot number</param>
private static unsafe void processMultiboot(Multiboot.Header *header, uint magic)
{
// We require to be booted by a multiboot compliant bootloader
if (magic != Multiboot.Magic)
{
Panic.DoPanic("Not booted by a multiboot bootloader");
}
// Bring the header to a safe location
fixed(Multiboot.Header *destination = &m_mbootHeader)
{
Memory.Memcpy(destination, header, sizeof(Multiboot.Header));
}
// Memory size
m_memSize = m_mbootHeader.MemHi;
// Check if any modules are loaded
if ((m_mbootHeader.Flags & Multiboot.FlagMods) > 0)
{
uint modsCount = m_mbootHeader.ModsCount;
Console.Write("[Multiboot] Modules: ");
Console.WriteNum((int)modsCount);
Console.Write('\n');
Multiboot.Module **mods = (Multiboot.Module * *)m_mbootHeader.ModsAddr;
for (int i = 0; i < modsCount; i++)
{
Multiboot.Module *module = mods[i];
// Move the heap end
if ((uint)module->End > (uint)heapStart)
{
heapStart = module->End;
}
}
}
else
{
Console.WriteLine("[Multiboot] No modules");
}
}
private static void mountBootPartition()
{
string bootDevice = BootParams.GetParam("--bootdev");
string bootFS = BootParams.GetParam("--boottype");
if (bootDevice == null)
{
Panic.DoPanic("No bootdevice specified.");
}
if (bootFS == null)
{
Panic.DoPanic("No boot filesystem specified.");
}
Console.Write("[Init] Mounting bootdevice ");
Console.Write(bootDevice);
Console.Write(":");
Console.Write(bootFS);
Console.WriteLine("");
Node hddNode = VFS.GetByAbsolutePath(bootDevice, 0);
if (hddNode == null)
{
Panic.DoPanic("Bootdevice not found.");
}
DiskMountResult res = Disk.Mount(hddNode, "C", bootFS);
if (res != DiskMountResult.SUCCESS)
{
Panic.DoPanic("Failed to mount bootdevice.");
}
Tasking.CurrentTask.CurrentDirectory = "C://";
}