Kernel: Make PIT counter atomic with spinlock

2024-07-21 18:56:41 +03:00
parent e00efca170
commit 8fe798de6d
2 changed files with 17 additions and 5 deletions
--- a/kernel/include/kernel/Timer/PIT.h
+++ b/kernel/include/kernel/Timer/PIT.h
@@ -1,6 +1,7 @@
 #pragma once

 #include <kernel/Interruptable.h>
+#include <kernel/Lock/SpinLock.h>
 #include <kernel/Timer/Timer.h>

 namespace Kernel
@@ -19,9 +20,11 @@ namespace Kernel

 	private:
 		void initialize();
+		uint64_t read_counter() const;

 	private:
-		volatile uint64_t m_system_time { 0 };
+		mutable SpinLock m_lock;
+		uint64_t m_system_time { 0 };
 	};

 }