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authorMatteo Gmür <matteo.gmuer1@ost.ch>2025-05-06 13:40:42 +0000
committerMatteo Gmür <matteo.gmuer1@ost.ch>2025-05-06 13:40:42 +0000
commitc9f46f3773e7943ce114af888a44f50061c2ac1d (patch)
tree1c12055e7157da9fe08d6695d21d5195979117d7 /arch/x86_64/src/memory/paging
parent7d2e8bc16e6c1bacb3c676d21ea2245d8132218f (diff)
downloadteachos-c9f46f3773e7943ce114af888a44f50061c2ac1d.tar.xz
teachos-c9f46f3773e7943ce114af888a44f50061c2ac1d.zip
Remove user Mode Access to VGA / Heap and Kernel Methods.
Diffstat (limited to 'arch/x86_64/src/memory/paging')
-rw-r--r--arch/x86_64/src/memory/paging/inactive_page_table.cpp2
-rw-r--r--arch/x86_64/src/memory/paging/temporary_page.cpp2
2 files changed, 2 insertions, 2 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 780f12c..4e0610e 100644
--- a/arch/x86_64/src/memory/paging/inactive_page_table.cpp
+++ b/arch/x86_64/src/memory/paging/inactive_page_table.cpp
@@ -14,7 +14,7 @@ namespace teachos::arch::memory::paging
{
auto table = temporary_page.map_table_frame(page_table_level_4_frame, active_page_table);
table.zero_entries();
- table[511].set_entry(page_table_level_4_frame, entry::PRESENT | entry::WRITABLE | entry::USER_ACCESSIBLE);
+ table[511].set_entry(page_table_level_4_frame, entry::PRESENT | entry::WRITABLE);
temporary_page.unmap_page(active_page_table);
}
} // namespace teachos::arch::memory::paging
diff --git a/arch/x86_64/src/memory/paging/temporary_page.cpp b/arch/x86_64/src/memory/paging/temporary_page.cpp
index 9946f36..8e73523 100644
--- a/arch/x86_64/src/memory/paging/temporary_page.cpp
+++ b/arch/x86_64/src/memory/paging/temporary_page.cpp
@@ -18,7 +18,7 @@ namespace teachos::arch::memory::paging
exception_handling::assert(!active_table.translate_page(page).has_value(),
"[Temporary page] Page is already mapped");
- active_table.map_page_to_frame(allocator, page, frame, entry::WRITABLE | entry::USER_ACCESSIBLE);
+ active_table.map_page_to_frame(allocator, page, frame, entry::WRITABLE);
return page.start_address();
}