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-rw-r--r--arch/x86_64/include/arch/memory/paging/temporary_page.hpp10
-rw-r--r--arch/x86_64/src/kernel/main.cpp3
-rw-r--r--arch/x86_64/src/memory/paging/temporary_page.cpp25
3 files changed, 21 insertions, 17 deletions
diff --git a/arch/x86_64/include/arch/memory/paging/temporary_page.hpp b/arch/x86_64/include/arch/memory/paging/temporary_page.hpp
index ae806c8..0293dd9 100644
--- a/arch/x86_64/include/arch/memory/paging/temporary_page.hpp
+++ b/arch/x86_64/include/arch/memory/paging/temporary_page.hpp
@@ -3,12 +3,12 @@
#include "arch/memory/allocator/physical_frame.hpp"
#include "arch/memory/allocator/tiny_frame_allocator.hpp"
+#include "arch/memory/paging/page_mapper.hpp"
#include "arch/memory/paging/page_table.hpp"
#include "arch/memory/paging/virtual_page.hpp"
namespace teachos::arch::memory::paging
{
-
/**
* @brief
*
@@ -35,7 +35,7 @@ namespace teachos::arch::memory::paging
*
* @param frame
*/
- auto zero_entries() -> void;
+ auto zero_entries(active_page_table & active_table) -> void;
private:
/**
@@ -44,13 +44,13 @@ namespace teachos::arch::memory::paging
* @param frame
* @return virtual_address
*/
- auto map_to_frame(allocator::physical_frame frame) -> virtual_address;
+ auto map_to_frame(allocator::physical_frame frame, active_page_table & active_table) -> virtual_address;
/**
* @brief
*
*/
- auto unmap() -> void;
+ auto unmap(active_page_table & active_table) -> void;
/**
* @brief
@@ -58,7 +58,7 @@ namespace teachos::arch::memory::paging
* @param frame
* @return page_table_handle
*/
- auto map_table_frame(allocator::physical_frame frame) -> page_table_handle;
+ auto map_table_frame(allocator::physical_frame frame, active_page_table & active_table) -> page_table_handle;
virtual_page page;
allocator::tiny_frame_allocator allocator;
diff --git a/arch/x86_64/src/kernel/main.cpp b/arch/x86_64/src/kernel/main.cpp
index a27631f..22335d1 100644
--- a/arch/x86_64/src/kernel/main.cpp
+++ b/arch/x86_64/src/kernel/main.cpp
@@ -24,8 +24,9 @@ namespace teachos::arch::kernel
memory::allocator::PAGE_FRAME_SIZE; // 42th P3 entry
auto const page = memory::paging::virtual_page::containing_address(address);
+ auto & active_table = memory::paging::active_page_table::create_or_get();
memory::paging::temporary_page temp_page{page, allocator};
- temp_page.zero_entries();
+ temp_page.zero_entries(active_table);
// memory::paging::map_next_free_page_to_frame(allocator, page, 0U);
// auto optional_frame = memory::paging::translate_page(page);
diff --git a/arch/x86_64/src/memory/paging/temporary_page.cpp b/arch/x86_64/src/memory/paging/temporary_page.cpp
index 433f0ce..4a8f4da 100644
--- a/arch/x86_64/src/memory/paging/temporary_page.cpp
+++ b/arch/x86_64/src/memory/paging/temporary_page.cpp
@@ -1,35 +1,38 @@
#include "arch/memory/paging/temporary_page.hpp"
#include "arch/memory/paging/page_entry.hpp"
-#include "arch/memory/paging/page_mapper.hpp"
namespace teachos::arch::memory::paging
{
- auto temporary_page::map_to_frame(allocator::physical_frame frame) -> virtual_address
+ auto temporary_page::map_to_frame(allocator::physical_frame frame,
+ active_page_table & active_table) -> virtual_address
{
- exception_handling::assert(!translate_page(page).has_value(), "[Temporary page] Page is already mapped");
+ exception_handling::assert(!active_table.translate_page(page).has_value(),
+ "[Temporary page] Page is already mapped");
- map_page_to_frame(allocator, page, frame, entry::WRITABLE);
+ active_table.map_page_to_frame(allocator, page, frame, entry::WRITABLE);
return page.start_address();
}
- auto temporary_page::unmap() -> void { unmap_page(allocator, page); }
+ auto temporary_page::unmap(active_page_table & active_table) -> void { active_table.unmap_page(allocator, page); }
- auto temporary_page::map_table_frame(allocator::physical_frame frame) -> page_table_handle
+ auto temporary_page::map_table_frame(allocator::physical_frame frame,
+ active_page_table & active_table) -> page_table_handle
{
- page_table_handle handle{reinterpret_cast<page_table *>(map_to_frame(frame)), page_table_handle::LEVEL1};
+ page_table_handle handle{reinterpret_cast<page_table *>(map_to_frame(frame, active_table)),
+ page_table_handle::LEVEL1};
return handle;
}
- auto temporary_page::zero_entries() -> void
+ auto temporary_page::zero_entries(active_page_table & active_table) -> void
{
auto frame = allocator.allocate_frame();
exception_handling::assert(!frame.has_value(), "[Temporary Page] Tiny allocator could not allocate a frame");
- page_table_handle handle = map_table_frame(frame.value());
+ page_table_handle handle = map_table_frame(frame.value(), active_table);
handle.zero_entries();
handle[511].set_entry(frame.value(), entry::PRESENT | entry::WRITABLE);
- unmap();
+ unmap(active_table);
}
-} // namespace teachos::arch::memory::paging \ No newline at end of file
+} // namespace teachos::arch::memory::paging