Merge pull request #81 from nekernel-org/dev

feat! breaking changes on kernel sources.

1 files changed, 43 insertions, 0 deletions

diff --git a/src/kernel/HALKit/POWER/HalApplicationProcessor.cc b/src/kernel/HALKit/POWER/HalApplicationProcessor.cc
new file mode 100644
index 00000000..84d9b1c1
--- /dev/null
+++ b/src/kernel/HALKit/POWER/HalApplicationProcessor.cc
@@ -0,0 +1,43 @@
+/* ========================================
+
+  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
+
+======================================== */
+
+#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