1 files changed, 90 insertions, 0 deletions
diff --git a/dev/modules/ACPI/ACPI.h b/dev/modules/ACPI/ACPI.h
new file mode 100644
index 00000000..a4fe2b0e
--- /dev/null
+++ b/dev/modules/ACPI/ACPI.h
@@ -0,0 +1,90 @@
+/* -------------------------------------------
+
+	Copyright (C) 2024-2025, Amlal EL Mahrouss, all rights reserved.
+
+------------------------------------------- */
+
+#ifndef __ACPI__
+#define __ACPI__
+
+/**
+	https://uefi.org/specs/ACPI/6.5/05_ACPI_Software_Programming_Model.html
+*/
+
+#include <NewKit/Defines.h>
+
+#define SDT_OBJECT : public NeOS::SDT
+
+namespace NeOS
+{
+	class PACKED SDT
+	{
+	public:
+		Char   Signature[4];
+		UInt32 Length;
+		UInt8  Revision;
+		Char   Checksum;
+		Char   OemId[6];
+		Char   OemTableId[8];
+		UInt32 OemRev;
+		UInt32 CreatorID;
+		UInt32 CreatorRevision;
+	};
+
+	class PACKED RSDP : public SDT
+	{
+	public:
+		UInt32	RsdtAddress;
+		UIntPtr XsdtAddress;
+		UInt8	ExtendedChecksum;
+		UInt8	Reserved0[3];
+	};
+
+	class PACKED ConfigHeader
+	{
+	public:
+		UInt64 BaseAddress;
+		UInt16 PciSegGroup;
+		UInt8  StartBus;
+		UInt8  EndBus;
+		UInt32 Reserved;
+	};
+
+	enum ACPI_ADDRESS_SPACE_KIND : UInt8
+	{
+		eSystemMemory = 0,
+		eSystemIO	  = 1,
+		ePci		  = 2,
+		eController	  = 3,
+		eSmBus		  = 4,
+		eCount		  = 5,
+		eInvalid	  = 0xFF,
+	};
+
+	class PACKED ACPI_ADDRESS final
+	{
+	public:
+		UInt8	AddressSpaceId;
+		UInt8	RegisterBitWidth;
+		UInt8	RegisterBitOffset;
+		UInt8	Reserved;
+		UIntPtr Address;
+	};
+
+	class PACKED RSDT final
+	{
+	public:
+		Char   Signature[4];
+		UInt32 Length;
+		UInt8  Revision;
+		Char   Checksum;
+		Char   OemId[6];
+		Char   OemTableId[8];
+		UInt32 OemRev;
+		UInt32 CreatorID;
+		UInt32 CreatorRevision;
+		UInt32 AddressArr[];
+	};
+} // namespace NeOS
+
+#endif // !__ACPI__