From 83d870e58457a1d335a1d9b9966a6a1887cc297b Mon Sep 17 00:00:00 2001
From: Amlal El Mahrouss <amlal@nekernel.org>
Date: Mon, 24 Nov 2025 03:02:43 +0100
Subject: feat! breaking changes on kernel sources.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
---
 src/modules/ACPI/ACPI.h                 | 83 +++++++++++++++++++++++++++++++++
 src/modules/ACPI/ACPIFactoryInterface.h | 57 ++++++++++++++++++++++
 2 files changed, 140 insertions(+)
 create mode 100644 src/modules/ACPI/ACPI.h
 create mode 100644 src/modules/ACPI/ACPIFactoryInterface.h

(limited to 'src/modules/ACPI')

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__
diff --git a/src/modules/ACPI/ACPIFactoryInterface.h b/src/modules/ACPI/ACPIFactoryInterface.h
new file mode 100644
index 00000000..da91a62e
--- /dev/null
+++ b/src/modules/ACPI/ACPIFactoryInterface.h
@@ -0,0 +1,57 @@
+/* ========================================
+
+  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
+
+======================================== */
+
+#ifndef __MOD_ACPI_H__
+#define __MOD_ACPI_H__
+
+#include <KernelKit/DebugOutput.h>
+#include <NeKit/Defines.h>
+#include <NeKit/ErrorOr.h>
+#include <NeKit/Ref.h>
+#include <modules/ACPI/ACPI.h>
+#include <modules/Power/PowerFactory.h>
+
+namespace Kernel {
+class PowerFactory;
+class ACPIFactoryInterface;
+
+typedef ACPIFactoryInterface PowerFactoryInterface;
+
+class ACPIFactoryInterface final NE_POWER_FACTORY {
+ public:
+  explicit ACPIFactoryInterface(voidPtr rsp_ptr);
+  ~ACPIFactoryInterface() = default;
+
+  ACPIFactoryInterface& operator=(const ACPIFactoryInterface&) = default;
+  ACPIFactoryInterface(const ACPIFactoryInterface&)            = default;
+
+ public:
+  Bool Shutdown();  // shutdown
+  Void Reboot();    // soft-reboot
+
+ public:
+  /// @brief Descriptor find factory.
+  /// @param signature The signature of the descriptor table (MADT, ACPI...)
+  /// @return the blob inside an ErrorOr object.
+  ErrorOr<voidPtr> Find(const Char* signature);
+
+  /// @brief Checksum factory.
+  /// @param checksum the data to checksum
+  /// @param len it's size
+  /// @return if it succeed
+  bool Checksum(const Char* checksum, SSizeT len);  // watch for collides!
+
+ public:
+  ErrorOr<voidPtr> operator[](const Char* signature);
+
+ private:
+  VoidPtr fRsdp{nullptr};  // pointer to root descriptor.
+  SizeT   fEntries{0UL};   // number of entries, -1 tells that no invalid entries were
+                           // found.
+};
+}  // namespace Kernel
+
+#endif  // !__MOD_ACPI_H__
-- 
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