Kernel: Move x86-specific HID code to the Arch/x86 directory

The i8042 controller with its attached devices, the PS2 keyboard and
mouse, rely on x86-specific IO instructions to work. Therefore, move
them to the Arch/x86 directory to make it easier to omit the handling
code of these devices.

Kernel/Arch/x86/ISABus/HID/PS2KeyboardDevice.cpp

@@ -6,10 +6,10 @@
  */
 
 #include <AK/Types.h>
+#include <Kernel/Arch/x86/ISABus/HID/PS2KeyboardDevice.h>
 #include <Kernel/Debug.h>
 #include <Kernel/Devices/DeviceManagement.h>
 #include <Kernel/Devices/HID/HIDManagement.h>
-#include <Kernel/Devices/HID/PS2KeyboardDevice.h>
 #include <Kernel/Scheduler.h>
 #include <Kernel/Sections.h>
 #include <Kernel/TTY/ConsoleManagement.h>

Kernel/Arch/x86/ISABus/HID/PS2KeyboardDevice.h

@@ -10,7 +10,7 @@
 #include <AK/DoublyLinkedList.h>
 #include <AK/Types.h>
 #include <Kernel/API/KeyCode.h>
-#include <Kernel/Devices/HID/I8042Controller.h>
+#include <Kernel/Arch/x86/ISABus/I8042Controller.h>
 #include <Kernel/Devices/HID/KeyboardDevice.h>
 #include <Kernel/Interrupts/IRQHandler.h>
 #include <Kernel/Random.h>

Kernel/Arch/x86/ISABus/HID/PS2MouseDevice.cpp

@@ -6,9 +6,9 @@
 
 #include <AK/Memory.h>
 #include <Kernel/Arch/x86/Hypervisor/VMWareBackdoor.h>
+#include <Kernel/Arch/x86/ISABus/HID/PS2MouseDevice.h>
 #include <Kernel/Debug.h>
 #include <Kernel/Devices/DeviceManagement.h>
-#include <Kernel/Devices/HID/PS2MouseDevice.h>
 #include <Kernel/Sections.h>
 
 namespace Kernel {

Kernel/Arch/x86/ISABus/HID/PS2MouseDevice.h

@@ -8,7 +8,7 @@
 
 #include <AK/CircularQueue.h>
 #include <Kernel/API/MousePacket.h>
-#include <Kernel/Devices/HID/I8042Controller.h>
+#include <Kernel/Arch/x86/ISABus/I8042Controller.h>
 #include <Kernel/Devices/HID/MouseDevice.h>
 #include <Kernel/Interrupts/IRQHandler.h>
 #include <Kernel/Random.h>

Kernel/Arch/x86/ISABus/HID/VMWareMouseDevice.cpp

@@ -5,8 +5,8 @@
  */
 
 #include <Kernel/Arch/x86/Hypervisor/VMWareBackdoor.h>
+#include <Kernel/Arch/x86/ISABus/HID/VMWareMouseDevice.h>
 #include <Kernel/Devices/DeviceManagement.h>
-#include <Kernel/Devices/HID/VMWareMouseDevice.h>
 #include <Kernel/Sections.h>
 
 namespace Kernel {

Kernel/Arch/x86/ISABus/HID/VMWareMouseDevice.h

@@ -8,8 +8,8 @@
 
 #include <AK/CircularQueue.h>
 #include <Kernel/API/MousePacket.h>
-#include <Kernel/Devices/HID/I8042Controller.h>
-#include <Kernel/Devices/HID/PS2MouseDevice.h>
+#include <Kernel/Arch/x86/ISABus/HID/PS2MouseDevice.h>
+#include <Kernel/Arch/x86/ISABus/I8042Controller.h>
 #include <Kernel/Interrupts/IRQHandler.h>
 #include <Kernel/Random.h>
 

Kernel/Arch/x86/ISABus/I8042Controller.cpp

@@ -6,10 +6,10 @@
 
 #include <Kernel/Arch/Delay.h>
 #include <Kernel/Arch/x86/IO.h>
-#include <Kernel/Devices/HID/I8042Controller.h>
-#include <Kernel/Devices/HID/PS2KeyboardDevice.h>
-#include <Kernel/Devices/HID/PS2MouseDevice.h>
-#include <Kernel/Devices/HID/VMWareMouseDevice.h>
+#include <Kernel/Arch/x86/ISABus/HID/PS2KeyboardDevice.h>
+#include <Kernel/Arch/x86/ISABus/HID/PS2MouseDevice.h>
+#include <Kernel/Arch/x86/ISABus/HID/VMWareMouseDevice.h>
+#include <Kernel/Arch/x86/ISABus/I8042Controller.h>
 #include <Kernel/Sections.h>
 
 namespace Kernel {

Kernel/CMakeLists.txt

@@ -62,13 +62,9 @@ set(KERNEL_SOURCES
     Devices/SelfTTYDevice.cpp
     Devices/SerialDevice.cpp
     Devices/ZeroDevice.cpp
-    Devices/HID/I8042Controller.cpp
     Devices/HID/HIDManagement.cpp
     Devices/HID/KeyboardDevice.cpp
     Devices/HID/MouseDevice.cpp
-    Devices/HID/PS2KeyboardDevice.cpp
-    Devices/HID/PS2MouseDevice.cpp
-    Devices/HID/VMWareMouseDevice.cpp
     GlobalProcessExposed.cpp
     Graphics/Bochs/DisplayConnector.cpp
     Graphics/Bochs/GraphicsAdapter.cpp
@@ -339,6 +335,10 @@ if ("${SERENITY_ARCH}" STREQUAL "i686" OR "${SERENITY_ARCH}" STREQUAL "x86_64")
 
         Arch/x86/Hypervisor/VMWareBackdoor.cpp
 
+        Arch/x86/ISABus/HID/PS2KeyboardDevice.cpp
+        Arch/x86/ISABus/HID/PS2MouseDevice.cpp
+        Arch/x86/ISABus/HID/VMWareMouseDevice.cpp
+        Arch/x86/ISABus/I8042Controller.cpp
         Arch/x86/ISABus/IDEController.cpp
         Arch/x86/PCI/Controller/HostBridge.cpp
         Arch/x86/PCI/Initializer.cpp

Kernel/Devices/HID/HIDManagement.cpp

@@ -4,10 +4,13 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/Platform.h>
 #include <AK/Singleton.h>
+#if ARCH(I386) || ARCH(X86_64)
+#    include <Kernel/Arch/x86/ISABus/I8042Controller.h>
+#endif
 #include <Kernel/CommandLine.h>
 #include <Kernel/Devices/HID/HIDManagement.h>
-#include <Kernel/Devices/HID/I8042Controller.h>
 #include <Kernel/Firmware/ACPI/Parser.h>
 #include <Kernel/Sections.h>
 
@@ -119,6 +122,7 @@ UNMAP_AFTER_INIT ErrorOr<void> HIDManagement::enumerate()
     // set to emulate PS/2, we should not initialize the PS/2 controller.
     if (kernel_command_line().disable_ps2_controller())
         return {};
+#if ARCH(I386) || ARCH(X86_64)
     m_i8042_controller = I8042Controller::initialize();
 
     // Note: If ACPI is disabled or doesn't indicate that we have an i8042, we
@@ -140,6 +144,7 @@ UNMAP_AFTER_INIT ErrorOr<void> HIDManagement::enumerate()
 
     if (m_i8042_controller->keyboard())
         m_hid_devices.append(m_i8042_controller->keyboard().release_nonnull());
+#endif
     return {};
 }
 

Kernel/Devices/HID/HIDManagement.h

@@ -61,7 +61,9 @@ private:
     size_t m_mouse_minor_number { 0 };
     size_t m_keyboard_minor_number { 0 };
     KeyboardClient* m_client { nullptr };
+#if ARCH(I386) || ARCH(X86_64)
     LockRefPtr<I8042Controller> m_i8042_controller;
+#endif
     NonnullLockRefPtrVector<HIDDevice> m_hid_devices;
     Spinlock m_client_lock { LockRank::None };
 };