Defines.h

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/* -------------------------------------------
 
  Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
 
  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