From 3012fa5dfe5dfed5e83baf9b40934ed8e8317627 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Fri, 3 Jul 2026 09:32:30 +0200
Subject: kernel: rearrange sources according to p1204

---
 kernel/src/test_support/page_mapper.cpp | 70 ---------------------------------
 1 file changed, 70 deletions(-)
 delete mode 100644 kernel/src/test_support/page_mapper.cpp

(limited to 'kernel/src/test_support/page_mapper.cpp')

diff --git a/kernel/src/test_support/page_mapper.cpp b/kernel/src/test_support/page_mapper.cpp
deleted file mode 100644
index 3d50ff1a..00000000
--- a/kernel/src/test_support/page_mapper.cpp
+++ /dev/null
@@ -1,70 +0,0 @@
-#include <kernel/test_support/page_mapper.hpp>
-
-#include <kapi/memory.hpp>
-
-#include <kstd/units>
-
-#include <cstddef>
-#include <format>
-#include <stdexcept>
-
-namespace kernel::tests
-{
-
-  page_mapper::page_mapper(kstd::units::bytes physical_size, kstd::units::bytes virtual_size)
-      : memory{physical_size, virtual_size}
-  {}
-
-  auto page_mapper::map(kapi::memory::page page, kapi::memory::frame frame, flags) -> std::byte *
-  {
-    auto result = page_mappings.insert({page.number(), frame});
-    if (!result.second)
-    {
-      auto error = std::format("Page {} was already mapped!", page.number());
-      throw std::invalid_argument{error};
-    }
-
-    auto page_address = page.start_address();
-    auto virtual_base = memory.virtual_base();
-    auto virtual_end = virtual_base + memory.virtual_size();
-
-    if (page_address >= virtual_base && page_address < virtual_end)
-    {
-      auto virtual_target = static_cast<std::byte *>(page_address);
-      auto physical_offset = frame.number() * kapi::memory::frame::size;
-      return memory.map(kapi::memory::page::size, virtual_target, physical_offset.value);
-    }
-    else if (page_address >= kapi::memory::mmio_base)
-    {
-      throw std::runtime_error("MMIO mapping not yet supported in testing!");
-    }
-    else if (page_address >= kapi::memory::higher_half_direct_map_base)
-    {
-      auto offset = frame.number() * kapi::memory::frame::size;
-      return memory.physical_base() + offset;
-    }
-
-    return nullptr;
-  }
-
-  auto page_mapper::unmap(kapi::memory::page page) -> void
-  {
-    if (!try_unmap(page))
-    {
-      auto error = std::format("Page {} was never mapped!", page.number());
-      throw std::invalid_argument{error};
-    }
-  }
-
-  auto page_mapper::try_unmap(kapi::memory::page page) noexcept -> bool
-  {
-    if (page_mappings.contains(page.number()))
-    {
-      page_mappings.erase(page.number());
-      return true;
-    }
-
-    return false;
-  }
-
-}  // namespace kernel::tests
\ No newline at end of file
-- 
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