Add physical frame iterator and continue implementing kernel mapping.

2 files changed, 1 insertions, 32 deletions

diff --git a/arch/x86_64/src/memory/paging/inactive_page_table.cpp b/arch/x86_64/src/memory/paging/inactive_page_table.cpp
index afba1f0..de0421d 100644
--- a/arch/x86_64/src/memory/paging/inactive_page_table.cpp
+++ b/arch/x86_64/src/memory/paging/inactive_page_table.cpp
@@ -2,7 +2,7 @@
 
 namespace teachos::arch::memory::paging
 {
-  inactive_page_table::inactive_page_table(allocator::physical_frame frame, active_page_table active_page_table,
+  inactive_page_table::inactive_page_table(allocator::physical_frame frame, active_page_table & active_page_table,
                                            temporary_page temporary_page)
       : page_table_level_4_frame{frame}
   {
diff --git a/arch/x86_64/src/memory/paging/kernel_mapper.cpp b/arch/x86_64/src/memory/paging/kernel_mapper.cpp
deleted file mode 100644
index 07d55ff..0000000
--- a/arch/x86_64/src/memory/paging/kernel_mapper.cpp
+++ /dev/null
@@ -1,31 +0,0 @@
-#include "arch/memory/paging/kernel_mapper.hpp"
-
-#include "arch/memory/allocator/physical_frame.hpp"
-#include "arch/memory/paging/tlb.hpp"
-
-namespace teachos::arch::memory::paging
-{
-  kernel_mapper::kernel_mapper(active_page_table & active_table)
-      : active_table(active_table)
-  {
-    // Nothing to do
-  }
-
-  auto kernel_mapper::with(inactive_page_table inactive_page_table, temporary_page temporary_page,
-                           active_page_table::function f) -> void
-  {
-    auto backup = allocator::physical_frame::containing_address(PAGE_TABLE_LEVEL_4_ADDRESS);
-    auto page_table_level4 = temporary_page.map_table_frame(backup, active_table);
-
-    active_table.active_handle[511].set_entry(inactive_page_table.page_table_level_4_frame,
-                                              entry::PRESENT | entry::WRITABLE);
-    tlb_flush_all();
-
-    f(active_table);
-
-    page_table_level4[511].set_entry(backup, entry::PRESENT | entry::WRITABLE);
-    tlb_flush_all();
-
-    temporary_page.unmap(active_table);
-  }
-}  // namespace teachos::arch::memory::paging