From 0f09b8ff164a69195ec6c25f6aea1cb607d826f8 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Mon, 15 Dec 2025 16:32:34 +0100
Subject: kernel: move implementation to kernel directory

---
 src/kapi/cio.cpp    | 57 ---------------------------------
 src/kapi/memory.cpp | 91 -----------------------------------------------------
 src/kapi/system.cpp | 20 ------------
 3 files changed, 168 deletions(-)
 delete mode 100644 src/kapi/cio.cpp
 delete mode 100644 src/kapi/memory.cpp
 delete mode 100644 src/kapi/system.cpp

(limited to 'src/kapi')

diff --git a/src/kapi/cio.cpp b/src/kapi/cio.cpp
deleted file mode 100644
index 66493b6..0000000
--- a/src/kapi/cio.cpp
+++ /dev/null
@@ -1,57 +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(std::string_view) -> void override {}
-      auto writeln(std::string_view) -> void override {}
-
-      auto write_error(std::string_view) -> void override {}
-      auto writeln_error(std::string_view) -> void override {}
-    };
-
-    constinit null_device null_device::instance;
-  }  // namespace
-
-  // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
-  constinit auto 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 print(std::string_view text) -> void
-  {
-    active_device->write(text);
-  }
-
-  auto println(std::string_view text) -> void
-  {
-    active_device->writeln(text);
-  }
-
-  auto print_error(std::string_view text) -> void
-  {
-    active_device->write_error(text);
-  }
-
-  auto println_error(std::string_view text) -> void
-  {
-    active_device->writeln_error(text);
-  }
-
-}  // namespace teachos::cio
\ No newline at end of file
diff --git a/src/kapi/memory.cpp b/src/kapi/memory.cpp
deleted file mode 100644
index d6c84e1..0000000
--- a/src/kapi/memory.cpp
+++ /dev/null
@@ -1,91 +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() noexcept -> std::optional<frame> override
-      {
-        system::panic("Tried to allocate a frame without an active allocator.");
-      }
-
-      auto release(frame) -> void override
-      {
-        system::panic("Tried to release a frame 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
-
-  // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
-  constinit auto active_frame_allocator = static_cast<frame_allocator *>(&bad_frame_allocator::instance);
-  // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
-  constinit auto 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 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/src/kapi/system.cpp b/src/kapi/system.cpp
deleted file mode 100644
index 3ae3f29..0000000
--- a/src/kapi/system.cpp
+++ /dev/null
@@ -1,20 +0,0 @@
-#include "kapi/system.hpp"
-
-#include "kapi/cio.hpp"
-#include "kapi/cpu.hpp"
-
-namespace teachos::system
-{
-
-  [[gnu::weak]]
-  auto panic(std::string_view message, std::source_location location) -> void
-  {
-    cio::println_error("!!!Kernel Panic!!! ");
-    cio::println_error(message);
-    cio::println_error(location.file_name());
-    cio::println_error(location.function_name());
-
-    cpu::halt();
-  }
-
-}  // namespace teachos::system
-- 
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