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/simulated_memory.cpp | 106 ---------------------------
 1 file changed, 106 deletions(-)
 delete mode 100644 kernel/src/test_support/simulated_memory.cpp

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

diff --git a/kernel/src/test_support/simulated_memory.cpp b/kernel/src/test_support/simulated_memory.cpp
deleted file mode 100644
index 074e6b10..00000000
--- a/kernel/src/test_support/simulated_memory.cpp
+++ /dev/null
@@ -1,106 +0,0 @@
-#include <kernel/test_support/simulated_memory.hpp>
-
-#include <kapi/memory.hpp>
-
-#include <kstd/units>
-
-#include <cerrno>
-#include <cstddef>
-#include <cstring>
-#include <format>
-#include <stdexcept>
-#include <unistd.h>
-
-#include <sys/mman.h>
-#include <sys/types.h>
-
-namespace kernel::tests
-{
-
-  simulated_memory::simulated_memory(kstd::units::bytes physical_size, kstd::units::bytes virtual_size)
-      : m_descriptor{memfd_create("teachos_simulated_memory", 0)}
-      , m_physical_size{physical_size}
-      , m_virtual_size{virtual_size}
-  {
-    if (m_descriptor < 0)
-    {
-      auto error = std::format("Failed to allocate backing memory: {}", strerror(errno));
-      throw std::runtime_error(error);
-    }
-
-    if (ftruncate(m_descriptor, static_cast<off_t>(m_physical_size.value)) < 0)
-    {
-      auto error = std::format("Failed to reserve backing memory: {}", strerror(errno));
-      throw std::runtime_error(error);
-    }
-
-    auto physical_storage = mmap(nullptr, m_physical_size.value, PROT_READ | PROT_WRITE, MAP_SHARED, m_descriptor, 0);
-    if (physical_storage == MAP_FAILED)
-    {
-      auto error = std::format("Failed to map backing memory: {}", strerror(errno));
-      throw std::runtime_error(error);
-    }
-
-    auto virtual_pointer = mmap(nullptr, virtual_size.value, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-    if (virtual_pointer == MAP_FAILED)
-    {
-      auto error = std::format("Failed to reserve virtual memory: {}", strerror(errno));
-      throw std::runtime_error(error);
-    }
-
-    m_physical_base = static_cast<std::byte *>(physical_storage);
-    m_virtual_base = static_cast<std::byte *>(virtual_pointer);
-
-    clear();
-  }
-
-  simulated_memory::~simulated_memory()
-  {
-    munmap(m_virtual_base, m_virtual_size.value);
-    munmap(m_physical_base, m_physical_size.value);
-    close(m_descriptor);
-  }
-
-  auto simulated_memory::clear() -> void
-  {
-    std::memset(m_physical_base, 0, m_physical_size.value);
-  }
-
-  auto simulated_memory::physical_base() noexcept -> std::byte *
-  {
-    return m_physical_base;
-  }
-
-  auto simulated_memory::physical_base() const noexcept -> std::byte const *
-  {
-    return m_physical_base;
-  }
-
-  auto simulated_memory::physical_size() const noexcept -> kstd::units::bytes
-  {
-    return m_physical_size;
-  }
-
-  auto simulated_memory::virtual_base() const noexcept -> kapi::memory::linear_address
-  {
-    return kapi::memory::linear_address{m_virtual_base};
-  }
-
-  auto simulated_memory::virtual_size() const noexcept -> kstd::units::bytes
-  {
-    return m_virtual_size;
-  }
-
-  auto simulated_memory::map(kstd::units::bytes size, std::byte * to, off_t offset) -> std::byte *
-  {
-    auto mapped_ptr = mmap(to, size.value, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, m_descriptor, offset);
-    if (mapped_ptr == MAP_FAILED)
-    {
-      auto error = std::format("Failed to map page: {}", strerror(errno));
-      throw std::runtime_error(error);
-    }
-
-    return static_cast<std::byte *>(mapped_ptr);
-  }
-
-}  // namespace kernel::tests
\ No newline at end of file
-- 
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