Add AArch64 recompiler backend (#1556)

Author: SSimco

.gitmodules

@@ -18,3 +18,6 @@
 	path = dependencies/imgui
 	url = https://github.com/ocornut/imgui
 	shallow = true
+[submodule "dependencies/xbyak_aarch64"]
+	path = dependencies/xbyak_aarch64
+	url = https://github.com/fujitsu/xbyak_aarch64

CMakeLists.txt

@@ -222,6 +222,10 @@ endif()
 
 add_subdirectory("dependencies/ih264d" EXCLUDE_FROM_ALL)
 
+if(CMAKE_SYSTEM_PROCESSOR MATCHES "(aarch64)|(AARCH64)")
+	add_subdirectory("dependencies/xbyak_aarch64" EXCLUDE_FROM_ALL)
+endif()
+
 find_package(ZArchive)
 if (NOT ZArchive_FOUND)
 	add_subdirectory("dependencies/ZArchive" EXCLUDE_FROM_ALL)

dependencies/xbyak_aarch64

@@ -537,6 +537,14 @@ if(APPLE)
 	target_sources(CemuCafe PRIVATE "HW/Latte/Renderer/Vulkan/CocoaSurface.mm")
 endif()
 
+if(CMAKE_SYSTEM_PROCESSOR MATCHES "(aarch64)|(AARCH64)")
+  target_sources(CemuCafe PRIVATE
+    HW/Espresso/Recompiler/BackendAArch64/BackendAArch64.cpp
+    HW/Espresso/Recompiler/BackendAArch64/BackendAArch64.h
+  )
+  target_link_libraries(CemuCafe PRIVATE xbyak_aarch64)
+endif()
+
 set_property(TARGET CemuCafe PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 
 target_include_directories(CemuCafe PUBLIC "../")