1 files changed, 40 insertions, 0 deletions
diff --git a/src/kernel/HALKit/POWER/HalApplicationProcessor.cpp b/src/kernel/HALKit/POWER/HalApplicationProcessor.cpp
new file mode 100644
index 00000000..64333086
--- /dev/null
+++ b/src/kernel/HALKit/POWER/HalApplicationProcessor.cpp
@@ -0,0 +1,40 @@
+// 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/POWER/AP.h>
+#include <HALKit/POWER/Processor.h>
+#include <KernelKit/DebugOutput.h>
+
+/// @note This part of the HAL needs an owner.
+
+namespace Kernel::Detail {
+STATIC void mp_hang_fn(void) {
+  while (YES);
+}
+}  // namespace Kernel::Detail
+
+namespace Kernel {
+/// @brief wakes up thread.
+/// wakes up thread from hang.
+void mp_wakeup_thread(HAL::StackFramePtr stack) {
+  if (!stack) return;
+
+  MUST_PASS(stack->R15 > 0);
+  MUST_PASS(stack->IP > 0);
+
+  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;
+
+  MUST_PASS(stack->R15 > 0);
+
+  hal_set_pc_to_hart(reinterpret_cast<HAL_HARDWARE_THREAD*>(stack->R15),
+                     reinterpret_cast<VoidPtr>(Kernel::Detail::mp_hang_fn));
+}
+}  // namespace Kernel