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-rw-r--r--arch/x86_64/src/kernel/cpu/tlb.cpp16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/x86_64/src/kernel/cpu/tlb.cpp b/arch/x86_64/src/kernel/cpu/tlb.cpp
new file mode 100644
index 0000000..a09001c
--- /dev/null
+++ b/arch/x86_64/src/kernel/cpu/tlb.cpp
@@ -0,0 +1,16 @@
+#include "arch/kernel/cpu/tlb.hpp"
+
+#include "arch/kernel/cpu/control_register.hpp"
+
+namespace teachos::arch::kernel::cpu
+{
+ auto tlb_flush(memory::paging::virtual_address address) -> void
+ {
+ asm volatile("invlpg (%[input])" : /* no output from call */ : [input] "r"(address) : "memory");
+ }
+
+ auto tlb_flush_all() -> void
+ {
+ write_control_register(cpu::control_register::CR3, read_control_register(cpu::control_register::CR3));
+ }
+} // namespace teachos::arch::kernel::cpu