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();
}
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();
}