/// <summary>
/// Creates the process.
/// </summary>
/// <returns></returns>
public static uint CreateProcess()
{
// TODO: Lock
uint slot = FindEmptySlot();
if (slot == 0)
{
Panic.Now(5);
}
CreateProcess(slot);
// TODO: Unlock
return(slot);
}
/// <summary>
/// Creates the task.
/// </summary>
/// <returns></returns>
public static uint CreateTask(uint processid, uint eip)
{
// TODO: Lock
uint slot = FindEmptySlot();
if (slot == 0)
{
Panic.Now(5);
}
CreateTask(processid, slot, eip);
// TODO: Unlock
return(slot);
}
/// <summary>
/// Handle Page Faults
/// </summary>
/// <param name="errorCode">The error code.</param>
public static void Fault(uint errorCode)
{
uint virtualpage = Native.GetCR2();
if (virtualpage == 0x0)
{
Panic.Now(2); // Can't map null! what happened?
}
// TODO: acquire lock
uint physicalpage = PageFrameAllocator.Allocate();
if (physicalpage == 0x0)
{
Panic.Now(1); // Panic! Out of memory
}
PageTable.MapVirtualAddressToPhysical(virtualpage, physicalpage);
// TODO: release lock
}
/// <summary>
/// Handle Page Faults
/// </summary>
/// <param name="errorCode">The error code.</param>
public static void Fault(uint errorCode)
{
uint virtualpage = Native.GetCR2();
if (virtualpage == 0x0)
{
Panic.Now(2); // Can't map null! what happened?
}
//bool taken = false;
//spinLock.Enter(ref taken);
uint physicalpage = PageFrameAllocator.Allocate();
if (physicalpage == 0x0)
{
Panic.Now(1); // Panic! Out of memory
}
PageTable.MapVirtualAddressToPhysical(virtualpage, physicalpage);
//spinLock.Exit();
}
