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-rw-r--r--dev/generic_kits/BenchKit/HardwareChrono.h9
-rw-r--r--dev/generic_kits/BenchKit/X64Chrono.h54
2 files changed, 54 insertions, 9 deletions
diff --git a/dev/generic_kits/BenchKit/HardwareChrono.h b/dev/generic_kits/BenchKit/HardwareChrono.h
deleted file mode 100644
index f6f6fd8c..00000000
--- a/dev/generic_kits/BenchKit/HardwareChrono.h
+++ /dev/null
@@ -1,9 +0,0 @@
-/* -------------------------------------------
-
-Copyright (C) 2025, Amlal El Mahrouss, all rights reserved.
-
-------------------------------------------- */
-
-#pragma once
-
-#include <BenchKit/Chrono.h>
diff --git a/dev/generic_kits/BenchKit/X64Chrono.h b/dev/generic_kits/BenchKit/X64Chrono.h
new file mode 100644
index 00000000..192d1697
--- /dev/null
+++ b/dev/generic_kits/BenchKit/X64Chrono.h
@@ -0,0 +1,54 @@
+/* -------------------------------------------
+
+Copyright (C) 2025, Amlal El Mahrouss, all rights reserved.
+
+------------------------------------------- */
+
+#pragma once
+
+#include <generic_kits/BenchKit/Chrono.h>
+
+#if defined(__NE_AMD64__)
+
+namespace Kernel {
+class X64Chrono;
+struct X64ChronoTraits;
+
+struct X64ChronoTraits {
+private:
+ STATIC UInt64 TickImpl_(void) {
+ UInt64 a = 0, d = 0;
+ __asm__ volatile("rdtsc" : "=a"(a), "=d"(d));
+ return (d << 32) | a;
+ }
+
+ friend X64Chrono;
+};
+
+/// @brief X86_64 hardware chrono implementation using the `rdtsc` instruction.
+class X64Chrono : public ChronoInterface {
+ public:
+ X64Chrono() = default;
+ ~X64Chrono() override = default;
+
+ NE_COPY_DEFAULT(X64Chrono);
+
+ public:
+ void Start() override { fStart = X64ChronoTraits::TickImpl_(); }
+
+ void Stop() override { fStop = X64ChronoTraits::TickImpl_(); }
+
+ void Reset() override {
+ fStart = 0;
+ fStop = 0;
+ }
+
+ UInt64 GetElapsedTime() const override { return fStart - fStop; }
+
+ private:
+ UInt64 fStart = 0;
+ UInt64 fStop = 0;
+};
+} // namespace Kernel
+
+#endif // defined(__NE_AMD64__) \ No newline at end of file