Read cr3 register instead of translating page table level 4 virtual address

1 files changed, 1 insertions, 13 deletions

diff --git a/arch/x86_64/include/arch/memory/paging/kernel_mapper.hpp b/arch/x86_64/include/arch/memory/paging/kernel_mapper.hpp
index 9803050..67d1673 100644
--- a/arch/x86_64/include/arch/memory/paging/kernel_mapper.hpp
+++ b/arch/x86_64/include/arch/memory/paging/kernel_mapper.hpp
@@ -69,19 +69,7 @@ namespace teachos::arch::memory::paging
     auto remap_elf_kernel_sections(inactive_page_table inactive_table, temporary_page & temporary_page,
                                    active_page_table & active_table) -> void
     {
-      auto const physical_address = active_table.translate_address(cpu::PAGE_TABLE_LEVEL_4_ADDRESS);
-      exception_handling::assert(physical_address.has_value(),
-                                 "[Kernel Mapper] Physical address for active table not mapped");
-
-      auto const backup = allocator::physical_frame::containing_address(physical_address.value());
-      auto const backup2 = allocator::physical_frame::containing_address(cpu::read_cr3_register());
-      cpu::write_cr3_register(0x221000);
-      auto const backup3 = cpu::read_cr3_register();
-
-      if (backup == backup2 && backup3 == 0x221000)
-      {
-      }
-
+      auto const backup = allocator::physical_frame::containing_address(cpu::read_cr3_register());
       auto page_table_level4 = temporary_page.map_table_frame(backup, active_table);
 
       // TODO: Page Table Level 4 is invalid, all entries point to non-existent memory :(