From 7d6f0ed063790042a808f4bf07c50d308b3f2de4 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Fri, 16 Jan 2026 13:36:38 +0100
Subject: chore: restructure namespaces

---
 kernel/src/kapi/cio.cpp    | 36 ------------------
 kernel/src/kapi/memory.cpp | 94 ----------------------------------------------
 kernel/src/kapi/system.cpp | 21 -----------
 3 files changed, 151 deletions(-)
 delete mode 100644 kernel/src/kapi/cio.cpp
 delete mode 100644 kernel/src/kapi/memory.cpp
 delete mode 100644 kernel/src/kapi/system.cpp

(limited to 'kernel/src/kapi')

diff --git a/kernel/src/kapi/cio.cpp b/kernel/src/kapi/cio.cpp
deleted file mode 100644
index 01c6420..0000000
--- a/kernel/src/kapi/cio.cpp
+++ /dev/null
@@ -1,36 +0,0 @@
-#include "kapi/cio.hpp"
-
-#include <optional>
-#include <string_view>
-#include <utility>
-
-namespace teachos::cio
-{
-  namespace
-  {
-    struct null_device final : public output_device
-    {
-      null_device static instance;
-      auto write(output_stream, std::string_view) -> void override {}
-    };
-
-    constinit null_device null_device::instance;
-  }  // namespace
-
-  constinit auto static active_device = static_cast<output_device *>(&null_device::instance);
-
-  auto set_output_device(output_device & device) -> std::optional<output_device *>
-  {
-    if (&device == active_device)
-    {
-      return {};
-    }
-    return std::exchange(active_device, &device);
-  }
-
-  auto write(output_stream stream, std::string_view text) -> void
-  {
-    active_device->write(stream, text);
-  }
-
-}  // namespace teachos::cio
diff --git a/kernel/src/kapi/memory.cpp b/kernel/src/kapi/memory.cpp
deleted file mode 100644
index ebd4c15..0000000
--- a/kernel/src/kapi/memory.cpp
+++ /dev/null
@@ -1,94 +0,0 @@
-#include "kapi/memory.hpp"
-
-#include "kapi/system.hpp"
-
-#include <cstddef>
-#include <optional>
-#include <utility>
-
-namespace teachos::memory
-{
-
-  namespace
-  {
-    struct bad_frame_allocator final : public frame_allocator
-    {
-      bad_frame_allocator static instance;
-
-      auto allocate_many(std::size_t) noexcept -> std::optional<std::pair<frame, std::size_t>> override
-      {
-        system::panic("Tried to allocate frames without an active allocator.");
-      }
-
-      auto release_many(std::pair<frame, std::size_t>) -> void override
-      {
-        system::panic("Tried to release frames without an active allocator.");
-      }
-    };
-
-    struct bad_page_mapper final : public page_mapper
-    {
-      bad_page_mapper static instance;
-
-      auto map(page, frame, flags) -> std::byte * override
-      {
-        system::panic("Tried to map a page without an active mapper.");
-      }
-
-      auto unmap(page) -> void override
-      {
-        system::panic("Tried to unmap a page without an active mapper.");
-      }
-
-      auto try_unmap(page) noexcept -> bool override
-      {
-        return false;
-      }
-    };
-
-    constinit bad_frame_allocator bad_frame_allocator::instance{};
-    constinit bad_page_mapper bad_page_mapper::instance{};
-  }  // namespace
-
-  constinit auto static active_frame_allocator = static_cast<frame_allocator *>(&bad_frame_allocator::instance);
-  constinit auto static active_page_mapper = static_cast<page_mapper *>(&bad_page_mapper::instance);
-
-  auto set_frame_allocator(frame_allocator & allocator) -> std::optional<frame_allocator *>
-  {
-    if (&allocator == active_frame_allocator)
-    {
-      return {};
-    }
-    return std::exchange(active_frame_allocator, &allocator);
-  }
-
-  auto set_page_mapper(page_mapper & mapper) -> std::optional<page_mapper *>
-  {
-    if (&mapper == active_page_mapper)
-    {
-      return {};
-    }
-    return std::exchange(active_page_mapper, &mapper);
-  }
-
-  auto allocate_frame() -> std::optional<frame>
-  {
-    return active_frame_allocator->allocate();
-  }
-
-  auto allocate_many_frames(std::size_t count) -> std::optional<std::pair<frame, std::size_t>>
-  {
-    return active_frame_allocator->allocate_many(count);
-  }
-
-  auto map(page page, frame frame) -> std::byte *
-  {
-    return active_page_mapper->map(page, frame, page_mapper::flags::empty);
-  }
-
-  auto unmap(page page) -> void
-  {
-    return active_page_mapper->unmap(page);
-  }
-
-}  // namespace teachos::memory
\ No newline at end of file
diff --git a/kernel/src/kapi/system.cpp b/kernel/src/kapi/system.cpp
deleted file mode 100644
index cdde049..0000000
--- a/kernel/src/kapi/system.cpp
+++ /dev/null
@@ -1,21 +0,0 @@
-#include "kapi/system.hpp"
-
-#include "kapi/cpu.hpp"
-
-#include <kstd/print>
-
-#include <source_location>
-#include <string_view>
-
-namespace teachos::system
-{
-
-  [[gnu::weak]]
-  auto panic(std::string_view message, std::source_location location) -> void
-  {
-    kstd::println(kstd::print_sink::stderr, "[PANIC] in {} : {} @ {}:{}", location.function_name(), message,
-                  location.file_name(), location.line());
-    cpu::halt();
-  }
-
-}  // namespace teachos::system
-- 
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