1 files changed, 39 insertions, 0 deletions
diff --git a/src/modules/HPET/Defines.h b/src/modules/HPET/Defines.h
new file mode 100644
index 00000000..56968a24
--- /dev/null
+++ b/src/modules/HPET/Defines.h
@@ -0,0 +1,39 @@
+/* ========================================
+
+  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
+
+  File: HPET.h
+  Purpose: HPET builtin.
+
+  Revision History:
+
+======================================== */
+
+#pragma once
+
+#include <NeKit/Defines.h>
+#include <modules/ACPI/ACPI.h>
+
+namespace Kernel {
+struct PACKED HPETAddressStructure final {
+  Kernel::UInt8  AddressSpaceId;  // 0 - system memory, 1 - system I/O
+  Kernel::UInt8  RegisterBitWidth;
+  Kernel::UInt8  RegisterBitOffset;
+  Kernel::UInt8  Reserved;
+  Kernel::UInt64 Address;
+};
+
+struct PACKED HPETHeader final : public SDT {
+  Kernel::UInt8        HardwareRevId;
+  Kernel::UInt8        ComparatorCount : 5;
+  Kernel::UInt8        CounterSize : 1;
+  Kernel::UInt8        Reserved : 1;
+  Kernel::UInt8        LegacyReplacement : 1;
+  Kernel::UInt16       PciVendorId;
+  HPETAddressStructure Address;
+  Kernel::UInt8        HpetNumber;
+  Kernel::UInt16       MinimumTick;
+  Kernel::UInt8        PageProtection;
+};
+
+}  // namespace Kernel