Exemple #1
0
        private static void SetInitialWriteProtection()
        {
            if (!KConfig.UseKernelMemoryProtection)
            {
                return;
            }

            //KernelMessage.WriteLine("Unset CR0.WP");
            PageTable.KernelTable.DisableKernelWriteProtection();

            PageTable.KernelTable.SetKernelWriteProtectionForAllInitialPages();

            PageTable.KernelTable.SetWritable(BootInfoMemoryType.GDT);
            PageTable.KernelTable.SetWritable(BootInfoMemoryType.PageTable);
            PageTable.KernelTable.SetWritable(BootInfoMemoryType.InitialStack);
            //PageTable.KernelTable.InitialKernelProtect_MakeWritable_ByMapType(BootInfoMemoryType.KernelElfVirt);
            PageTable.KernelTable.SetWritable(BootInfoMemoryType.KernelBssSegment);
            PageTable.KernelTable.SetWritable(BootInfoMemoryType.KernelDataSegment);
            //PageTable.KernelTable.InitialKernelProtect_MakeWritable_ByMapType(BootInfoMemoryType.KernelROdataSegment);
            PageTableExtensions.SetWritable(PageTable.KernelTable, Address.GCInitialMemory, Address.GCInitialMemorySize);

            //KernelMessage.WriteLine("Reload CR3 to {0:X8}", PageTable.AddrPageDirectory);
            PageTable.KernelTable.Flush();

            //KernelMessage.WriteLine("Set CR0.WP");
            PageTable.KernelTable.EnableKernelWriteProtection();
        }
Exemple #2
0
        private static void SetInitialWriteProtection()
        {
            if (!KConfig.UseKernelMemoryProtection)
            {
                return;
            }

            //KernelMessage.WriteLine("Unset CR0.WP");
            PageTable.KernelTable.DisableKernelWriteProtection();

            PageTable.KernelTable.SetKernelWriteProtectionForAllInitialPages();

            PageTable.KernelTable.SetWritable(BootInfoMemoryType.GDT);
            PageTable.KernelTable.SetWritable(BootInfoMemoryType.PageTable);
            PageTable.KernelTable.SetWritable(BootInfoMemoryType.InitialStack);
            PageTable.KernelTable.SetWritable(BootInfoMemoryType.KernelBssSegment);
            PageTable.KernelTable.SetWritable(BootInfoMemoryType.KernelDataSegment);
            PageTableExtensions.SetWritable(PageTable.KernelTable, Address.GCInitialMemory, Address.GCInitialMemorySize);

            PageTable.KernelTable.Flush();
            PageTable.KernelTable.EnableKernelWriteProtection();
        }