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/kernel/HALKit/RISCV/.keep                      |  0
 src/kernel/HALKit/RISCV/AP.h                       | 35 +++++++++++++++++++
 src/kernel/HALKit/RISCV/APM/.gitkeep               |  0
 src/kernel/HALKit/RISCV/HalApplicationProcessor.cc | 40 ++++++++++++++++++++++
 src/kernel/HALKit/RISCV/Storage/.gitkeep           |  0
 5 files changed, 75 insertions(+)
 create mode 100644 src/kernel/HALKit/RISCV/.keep
 create mode 100644 src/kernel/HALKit/RISCV/AP.h
 create mode 100644 src/kernel/HALKit/RISCV/APM/.gitkeep
 create mode 100644 src/kernel/HALKit/RISCV/HalApplicationProcessor.cc
 create mode 100644 src/kernel/HALKit/RISCV/Storage/.gitkeep

(limited to 'src/kernel/HALKit/RISCV')

diff --git a/src/kernel/HALKit/RISCV/.keep b/src/kernel/HALKit/RISCV/.keep
new file mode 100644
index 00000000..e69de29b
diff --git a/src/kernel/HALKit/RISCV/AP.h b/src/kernel/HALKit/RISCV/AP.h
new file mode 100644
index 00000000..1061b637
--- /dev/null
+++ b/src/kernel/HALKit/RISCV/AP.h
@@ -0,0 +1,35 @@
+/* ========================================
+
+  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
+
+  File: AP.h
+  Purpose: RISC-V hardware threads.
+
+  Revision History:
+
+  30/01/24: Added file (amlel)
+
+======================================== */
+
+#pragma once
+
+#include <NeKit/Defines.h>
+
+namespace Kernel {
+typedef Int64 hal_ap_kind;
+
+typedef struct HAL_HARDWARE_THREAD {
+  Kernel::UIntPtr fStartAddress;
+  Kernel::UIntPtr fStackPtr;
+  Kernel::UIntPtr fFramePtr;
+  Kernel::UInt8   fPrivileged : 1;
+  Kernel::UInt32  fPageMemoryFlags;
+  hal_ap_kind     fIdentNumber;
+} HAL_HARDWARE_THREAD;
+
+/// @brief Set PC to specific hart.
+/// @param hart the hart
+/// @param epc the pc.
+/// @return
+EXTERN_C Kernel::Void hal_set_pc_to_hart(HAL_HARDWARE_THREAD* hart, Kernel::VoidPtr epc);
+}  // namespace Kernel
diff --git a/src/kernel/HALKit/RISCV/APM/.gitkeep b/src/kernel/HALKit/RISCV/APM/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/src/kernel/HALKit/RISCV/HalApplicationProcessor.cc b/src/kernel/HALKit/RISCV/HalApplicationProcessor.cc
new file mode 100644
index 00000000..520481d1
--- /dev/null
+++ b/src/kernel/HALKit/RISCV/HalApplicationProcessor.cc
@@ -0,0 +1,40 @@
+/* ========================================
+
+  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
+
+======================================== */
+
+#include <HALKit/RISCV/AP.h>
+#include <HALKit/RISCV/Processor.h>
+#include <KernelKit/DebugOutput.h>
+
+using namespace Kernel;
+
+namespace Kernel {
+namespace Detail {
+  STATIC void mp_hang_fn(void) {
+    while (YES)
+      ;
+  }
+
+}  // namespace Detail
+
+/// @brief wakes up thread.
+/// wakes up thread from hang.
+void mp_wakeup_thread(HAL::StackFramePtr stack) {
+  if (!stack) return;
+
+  hal_set_pc_to_hart(reinterpret_cast<HAL_HARDWARE_THREAD*>(stack->R15),
+                     reinterpret_cast<VoidPtr>(stack->IP));
+}
+
+/// @brief makes thread sleep.
+/// hooks and hangs thread to prevent code from executing.
+void mp_hang_thread(HAL::StackFramePtr stack) {
+  if (!stack) return;
+
+  hal_set_pc_to_hart(reinterpret_cast<HAL_HARDWARE_THREAD*>(stack->R15),
+                     reinterpret_cast<VoidPtr>(Kernel::Detail::mp_hang_fn));
+}
+
+}  // namespace Kernel
diff --git a/src/kernel/HALKit/RISCV/Storage/.gitkeep b/src/kernel/HALKit/RISCV/Storage/.gitkeep
new file mode 100644
index 00000000..e69de29b
-- 
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