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-rw-r--r--arch/x86_64/src/memory/mmu.cpp21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86_64/src/memory/mmu.cpp b/arch/x86_64/src/memory/mmu.cpp
new file mode 100644
index 0000000..e15d94e
--- /dev/null
+++ b/arch/x86_64/src/memory/mmu.cpp
@@ -0,0 +1,21 @@
+#include "x86_64/memory/mmu.hpp"
+
+#include "kapi/memory.hpp"
+
+#include "x86_64/cpu/registers.hpp"
+
+namespace teachos::memory::x86_64
+{
+ namespace cpu = cpu::x86_64;
+
+ auto tlb_flush(linear_address address) -> void
+ {
+ asm volatile("invlpg (%[input])" : /* no output from call */ : [input] "r"(address) : "memory");
+ }
+
+ auto tlb_flush_all() -> void
+ {
+ auto paging_root = cpu::cr3::read();
+ cpu::cr3::write(paging_root);
+ }
+} // namespace teachos::memory::x86_64