Attempt to implement page table checks using templates

1 files changed, 0 insertions, 58 deletions

diff --git a/arch/x86_64/src/memory/paging.cpp b/arch/x86_64/src/memory/paging.cpp
index a8f2c40..9774132 100644
--- a/arch/x86_64/src/memory/paging.cpp
+++ b/arch/x86_64/src/memory/paging.cpp
@@ -39,62 +39,4 @@ namespace teachos::arch::memory
                                      "Start address is not aligned with Page");
     flags = std::bitset<64U>(frame.start_address()) | flags;
   }
-
-  page_table::page_table()
-      : entries()
-      , p4(reinterpret_cast<page_table *>(0xfffffffffffff000))
-  {
-    // Nothing to do
-  }
-
-  auto page_table::zero_entries() -> void
-  {
-    constexpr size_t entry_amount = sizeof(entries) / sizeof(entries[0]);
-    for (size_t i = 0; i < entry_amount; ++i)
-    {
-      auto entry = this->operator[](i);
-      entry.set_unused();
-    }
-  }
-
-  auto page_table::next_table(std::size_t index) const -> std::optional<page_table const *>
-  {
-    auto address = next_table_address(index);
-
-    if (address.has_value())
-    {
-      return reinterpret_cast<page_table const *>(*address);
-    }
-
-    return std::nullopt;
-  }
-
-  auto page_table::operator[](std::size_t index) -> entry &
-  {
-    // C array is not bounds checked, therefore we have to check ourselves, to ensure no out of bounds reads, which
-    // could be incredibly hard to debug later.
-    arch::exception_handling::assert(index < PAGE_TABLE_ENTRY_COUNT, "[Page Table] index out of bounds");
-    return entries[index];
-  }
-
-  auto page_table::operator[](std::size_t index) const -> entry const &
-  {
-    // C array is not bounds checked, therefore we have to check ourselves, to ensure no out of bounds reads, which
-    // could be incredibly hard to debug later.
-    arch::exception_handling::assert(index < PAGE_TABLE_ENTRY_COUNT, "[Page Table] index out of bounds");
-    return entries[index];
-  }
-
-  auto page_table::next_table_address(std::size_t index) const -> std::optional<std::size_t>
-  {
-    auto entry = this->operator[](index);
-
-    if (entry.contains_flags(entry::PRESENT) && !entry.contains_flags(entry::HUGE_PAGE))
-    {
-      std::size_t const table_address = reinterpret_cast<std::size_t>(this);
-      return (table_address << 9) | (index << 12);
-    }
-    // TODO: Implement behaviour for huge pages currently not done
-    return std::nullopt;
-  }
 }  // namespace teachos::arch::memory