kapi: rework text device interface

1 files changed, 16 insertions, 0 deletions

diff --git a/arch/x86_64/kapi/cio.cpp b/arch/x86_64/kapi/cio.cpp
new file mode 100644
index 0000000..ac3ae39
--- /dev/null
+++ b/arch/x86_64/kapi/cio.cpp
@@ -0,0 +1,16 @@
+#include "kapi/cio.hpp"
+
+#include "x86_64/vga/text.hpp"
+
+namespace teachos::cio
+{
+
+  auto static constinit vga_device = std::optional<x86_64::vga::text::device>{};
+
+  auto init() -> void
+  {
+    vga_device.emplace();
+    set_output_device(*vga_device);
+  }
+
+}  // namespace teachos::cio