kernel: lots of tweaks and improvements, WIP: ASN, FileMgr support for OpenHeFS.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

1 files changed, 37 insertions, 0 deletions

diff --git a/src/kernel/HALKit/AMD64/HalAPICDmaWrapper.cpp b/src/kernel/HALKit/AMD64/HalAPICDmaWrapper.cpp
new file mode 100644
index 00000000..b262f2b3
--- /dev/null
+++ b/src/kernel/HALKit/AMD64/HalAPICDmaWrapper.cpp
@@ -0,0 +1,37 @@
+// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
+// Licensed under the Apache License, Version 2.0 (see LICENSE file)
+// Official repository: https://github.com/nekernel-org/nekernel
+
+#include <HALKit/AMD64/Processor.h>
+#include <modules/ACPI/ACPIFactoryInterface.h>
+
+namespace Kernel::HAL {
+/***********************************************************************************/
+/// Constructors.
+/***********************************************************************************/
+LAPICDmaWrapper::LAPICDmaWrapper(VoidPtr base) : fApic(base) {}
+LAPICDmaWrapper::~LAPICDmaWrapper() = default;
+
+/***********************************************************************************/
+/// @brief Read from APIC controller.
+/// @param reg register.
+/***********************************************************************************/
+UInt32 LAPICDmaWrapper::Read(UInt16 reg) {
+  MUST_PASS(this->fApic);
+
+  UInt32 volatile* io_apic = (UInt32 volatile*) this->fApic;
+  return io_apic[reg];
+}
+
+/***********************************************************************************/
+/// @brief Write to APIC controller.
+/// @param reg register.
+/// @param value value.
+/***********************************************************************************/
+Void LAPICDmaWrapper::Write(UInt16 reg, UInt32 value) {
+  MUST_PASS(this->fApic);
+
+  UInt32 volatile* io_apic = (UInt32 volatile*) this->fApic;
+  io_apic[reg]             = value;
+}
+}  // namespace Kernel::HAL