4 files changed, 44 insertions, 0 deletions
diff --git a/arch/CMakeLists.txt b/arch/CMakeLists.txt
new file mode 100644
index 0000000..3bdc3c2
--- /dev/null
+++ b/arch/CMakeLists.txt
@@ -0,0 +1,17 @@
+add_library("arch-all" INTERFACE)
+add_library("arch::all" ALIAS "arch-all")
+
+target_sources("arch-all" INTERFACE
+    FILE_SET HEADERS
+    BASE_DIRS "include"
+    FILES
+    "include/arch/io.hpp"
+    "include/arch/memory.hpp"
+    "include/arch/system.hpp"
+)
+
+target_include_directories("arch-all" INTERFACE
+    "include"
+)
+
+# add_subdirectory("${CMAKE_SYSTEM_PROCESSOR}")
diff --git a/arch/include/arch/io.hpp b/arch/include/arch/io.hpp
new file mode 100644
index 0000000..8986b9c
--- /dev/null
+++ b/arch/include/arch/io.hpp
@@ -0,0 +1,9 @@
+#ifndef TEACHOS_ARCH_IO_HPP
+#define TEACHOS_ARCH_IO_HPP
+
+namespace teachos::arch::io
+{
+  auto init() -> void;
+}
+
+#endif
diff --git a/arch/include/arch/memory.hpp b/arch/include/arch/memory.hpp
new file mode 100644
index 0000000..33f7fdd
--- /dev/null
+++ b/arch/include/arch/memory.hpp
@@ -0,0 +1,9 @@
+#ifndef TEACHOS_ARCH_MEMORY_HPP
+#define TEACHOS_ARCH_MEMORY_HPP
+
+namespace teachos::arch::memory
+{
+  auto init() -> void;
+}
+
+#endif
diff --git a/arch/include/arch/system.hpp b/arch/include/arch/system.hpp
new file mode 100644
index 0000000..73e2463
--- /dev/null
+++ b/arch/include/arch/system.hpp
@@ -0,0 +1,9 @@
+#ifndef TEACHOS_ARCH_SYSTEM_HPP
+#define TEACHOS_ARCH_SYSTEM_HPP
+
+namespace teachos::arch::system
+{
+  [[noreturn]] auto halt() -> void;
+}
+
+#endif