1 files changed, 83 insertions, 0 deletions
diff --git a/src/modules/ACPI/ACPI.h b/src/modules/ACPI/ACPI.h
new file mode 100644
index 00000000..b5bf3b69
--- /dev/null
+++ b/src/modules/ACPI/ACPI.h
@@ -0,0 +1,83 @@
+/* ========================================
+
+  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
+
+======================================== */
+
+#ifndef __ACPI__
+#define __ACPI__
+
+/**
+  https://uefi.org/specs/ACPI/6.5/05_ACPI_Software_Programming_Model.html
+*/
+
+#include <NeKit/Defines.h>
+
+#define SDT_OBJECT : public Kernel::SDT
+
+namespace Kernel {
+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[1];
+};
+}  // namespace Kernel
+
+#endif  // !__ACPI__