From c962cfdc281ac48a075ef9b3f6aed0dd512eca67 Mon Sep 17 00:00:00 2001
From: Jesse Buhagiar <jooster669@gmail.com>
Date: Mon, 17 Oct 2022 23:53:57 +1100
Subject: [PATCH] Kernel: Reintroduce `ScopedAddressSpaceSwitcher` to aarch64
 build

---
 Kernel/CMakeLists.txt                        | 1 +
 Kernel/Memory/ScopedAddressSpaceSwitcher.cpp | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/Kernel/CMakeLists.txt b/Kernel/CMakeLists.txt
index 5b0448fd1a..1468086fae 100644
--- a/Kernel/CMakeLists.txt
+++ b/Kernel/CMakeLists.txt
@@ -532,6 +532,7 @@ else()
         Memory/RegionTree.cpp
         Memory/RingBuffer.cpp
         Memory/ScatterGatherList.cpp
+        Memory/ScopedAddressSpaceSwitcher.cpp
         Memory/SharedInodeVMObject.cpp
         Memory/VirtualRange.cpp
         Memory/VMObject.cpp
diff --git a/Kernel/Memory/ScopedAddressSpaceSwitcher.cpp b/Kernel/Memory/ScopedAddressSpaceSwitcher.cpp
index 266e7ff1cc..1b12b1715f 100644
--- a/Kernel/Memory/ScopedAddressSpaceSwitcher.cpp
+++ b/Kernel/Memory/ScopedAddressSpaceSwitcher.cpp
@@ -13,15 +13,23 @@ namespace Kernel {
 ScopedAddressSpaceSwitcher::ScopedAddressSpaceSwitcher(Process& process)
 {
     VERIFY(Thread::current() != nullptr);
+#if ARCH(I386) || ARCH(X86_64)
     m_previous_cr3 = read_cr3();
+#elif ARCH(AARC64)
+    TODO_AARCH64();
+#endif
     Memory::MemoryManager::enter_process_address_space(process);
 }
 
 ScopedAddressSpaceSwitcher::~ScopedAddressSpaceSwitcher()
 {
     InterruptDisabler disabler;
+#if ARCH(I386) || ARCH(X86_64)
     Thread::current()->regs().cr3 = m_previous_cr3;
     write_cr3(m_previous_cr3);
+#elif ARCH(AARC64)
+    TODO_AARCH64();
+#endif
 }
 
 }