Better power methods, new VMTools class for detecting VMs

source/Cosmos.System2/Power.cs

@@ -1,5 +1,5 @@
 using Cosmos.Core;
-using sysIO = System.IO;
+using System;
 
 namespace Cosmos.System
 {
@@ -13,47 +13,44 @@ public static class Power
         /// </summary>
         public static void Reboot()
         {
+            /*
+             * Qemu does not support ACPI at the current moment due to multiboot2 and SeaBios being to old.
+             * This Provides a Reboot functionality.
+            */
+            if (VMTools.IsQEMU)
+			{
+                new IOPort(0x64).Byte = 0xFE;
+			}
+
             HAL.Power.CPUReboot();
         }
 
         /// <summary>
         /// Shutdown the ACPI.
         /// </summary>
-        /// <exception cref="sysIO.IOException">Thrown on IO error.</exception>
+        /// <exception cref="IOException">Thrown on IO error.</exception>
         public static void Shutdown()
         {
             /*
              * Detect if the VBOX guest service is present on the PCI bus.
              * https://forum.osdev.org/viewtopic.php?f=1&t=30674
              */
-            if (HAL.PCI.Exists((HAL.VendorID)0x80EE, (HAL.DeviceID)0xCAFE))
+            if (VMTools.IsVirtualBox)
             {
                 IOPort P = new(0x4004);
                 P.DWord = 0x3400;
             }
+            /*
+             * Qemu does not support ACPI at the current moment due to multiboot2 and SeaBios being to old.
+             * This Provides a shutdown functionality.
+            */
+            if (VMTools.IsQEMU)
+			{
+                new IOPort(0x604).Word = 0x2000;
+			}
 
             // Try Normal Method
             HAL.Power.ACPIShutdown();
         }
-
-        /// <summary>
-        /// Shutdown Qemu.
-        /// Qemu does not support ACPI at the current moment due to multiboot2 and SeaBios being to old.
-        /// This Provides a shutdown functionality.
-        /// </summary>
-        public static void QemuShutdown()
-        {
-            new IOPort(0x604).Word = 0x2000;
-        }
-
-        /// <summary>
-        /// Reboot Qemu.
-        /// Qemu does not support ACPI at the current moment due to multiboot2 and SeaBios being to old.
-        /// This Provides a Reboot functionality.
-        /// </summary>
-        public static void QemuReboot()
-        {
-            new IOPort(0x64).Byte = 0xFE;
-        }
     }
 }

source/Cosmos.System2/VMTools.cs

@@ -0,0 +1,58 @@
+using Cosmos.HAL;
+
+namespace Cosmos.System
+{
+    /// <summary>
+	/// A class used to detect if cosmos is being ran in a virtual machine.
+	/// Usefull for VM specific tasks.
+	/// </summary>
+    public static class VMTools
+    {
+        /// <summary>
+		/// A boolean describing whether or not virtualbox has been detected.
+		/// </summary>
+        public static bool IsVirtualBox => GetIsVirtualBox();
+        /// <summary>
+		/// A boolean describing whether or not VMware has been detected.
+		/// </summary>
+        public static bool IsVMWare => GetIsVMWare();
+        /// <summary>
+		/// A boolean describing whether or not QEMU has been detected.
+		/// </summary>
+        public static bool IsQEMU => GetIsQEMU();
+
+        private static bool GetIsVirtualBox()
+        {
+            for (int I = 0; I < PCI.Count; I++)
+            {
+                if (PCI.Devices[I].VendorID == 0x80EE)
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+        private static bool GetIsVMWare()
+        {
+            for (int I = 0; I < PCI.Count; I++)
+            {
+                if (PCI.Devices[I].VendorID == 0x15ad)
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+        private static bool GetIsQEMU()
+        {
+            for (int I = 0; I < PCI.Count; I++)
+            {
+                if (PCI.Devices[I].VendorID == 0x1af4)
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+    }
+}