private void button1_Click(object sender, EventArgs e)
{
button1.Enabled = false;
int sizeOfPhysicalMemory = Convert.ToInt32(numericUpDown1.Value);
PhysicalMemory physicalMemory = new PhysicalMemory(sizeOfPhysicalMemory);
physicalMemory.PhysicalMemoryUpdatedEvent += OnPhysicalMemoryUpdated;
for (int i = 0; i < sizeOfPhysicalMemory; ++i)
{
dataGridView1.Rows.Add();
dataGridView1[0, i].Value = i;
dataGridView1[1, i].Value = "Free";
}
int sizeOfVirtualMemory = Convert.ToInt32(numericUpDown2.Value);
VirtualMemory virtualMemory = new VirtualMemory(sizeOfVirtualMemory);
virtualMemory.VirtualMemoryUpdatedEvent += OnVirtualMemoryUpdated;
for (int i = 0; i < sizeOfVirtualMemory; ++i)
{
dataGridView2.Rows.Add();
dataGridView2[0, i].Value = "Free";
}
MemoryManagementUnit MMU = new MemoryManagementUnit(physicalMemory, virtualMemory);
MMU.PageTableRequestEvent += OnPageTableRequest;
MMU.PageTableAnswerEvent += OnPageTableAnswer;
MMU.PageFaultOccuredEvent += OnPageFaultOccured;
MMU.PageFaultHandledEvent += OnPageFaultHandled;
MMU.PageAddedToPhysicalMemoryEvent += OnPageAddedToPhysicalMemory;
MMU.PageReplacedEvent += OnPageReplaced;
MMU.ProcessFinishedWorkEvent += OnProcessFinishedWork;
cpu = new CPU(Convert.ToInt32(numericUpDown3.Value), MMU);
subThread = new Thread(Start);
subThread.Start();
}
public Process(int processID, MemoryManagementUnit MMU)
{
_processID = processID;
_MMU = MMU;
_rnd = new Random();
int numOfPages = _rnd.Next(2, 6);
_pages = new Page[numOfPages];
for (int i = 0; i < numOfPages; ++i)
{
_pages[i] = new Page(_processID, i);
}
_MMU.LoadPagesOfProcessIntoMemory(this);
_thread = new Thread(Work);
_thread.Start();
}
public CPU(int numOfProcessesToStart, MemoryManagementUnit MMU)
{
_numOfProcessesToCreate = numOfProcessesToStart;
_MMU = MMU;
}