Kernel: Add invalidate() to MMU

2023-05-28 18:05:30 +03:00
parent 187bb046aa
commit 3e93dae53c
2 changed files with 7 additions and 0 deletions
--- a/kernel/arch/x86_64/MMU.cpp
+++ b/kernel/arch/x86_64/MMU.cpp
@@ -149,6 +149,12 @@ namespace Kernel
 		s_current = this;
 	}

+	void MMU::invalidate(vaddr_t vaddr)
+	{
+		ASSERT(this == s_current);
+		asm volatile("invlpg (%0)" :: "r"(vaddr) : "memory");
+	}
+
 	void MMU::identity_map_page(paddr_t address, flags_t flags)
 	{
 		address &= PAGE_MASK;