ADD: Export hal_check_stack as C symbol, and zka_pure_call should have the UserProcess* on first argument register to crash program.

Signed-off-by: Amlal <amlal.elmahrouss@icloud.com>

1 files changed, 52 insertions, 0 deletions

diff --git a/dev/Kernel/HALKit/AMD64/HalSchedulerCorePrimitivesAMD64.cc b/dev/Kernel/HALKit/AMD64/HalSchedulerCorePrimitivesAMD64.cc
new file mode 100644
index 00000000..5eee0245
--- /dev/null
+++ b/dev/Kernel/HALKit/AMD64/HalSchedulerCorePrimitivesAMD64.cc
@@ -0,0 +1,52 @@
+/* -------------------------------------------
+
+	Copyright (C) 2024, MediaSwirl, all rights reserved.
+
+------------------------------------------- */
+
+#include <HALKit/AMD64/Processor.h>
+#include <KernelKit/UserProcessScheduler.h>
+
+namespace Kernel
+{
+	/***********************************************************************************/
+	/// @brief Unimplemented function (crashes by default)
+	/// @param
+	/***********************************************************************************/
+
+	EXTERN_C Void __zka_pure_call(UserProcess* process)
+	{
+    if (process)
+      process->Crash();
+	}
+
+	/***********************************************************************************/
+	/// @brief Validate user stack.
+	/// @param stack_ptr the frame pointer.
+	/***********************************************************************************/
+
+	EXTERN_C Bool hal_check_stack(HAL::StackFramePtr stack_ptr)
+	{
+		if (!stack_ptr)
+			return No;
+
+		return stack_ptr->SP != 0 && stack_ptr->BP != 0;
+	}
+
+	/// @brief Wakes up thread.
+	/// Wakes up thread from the hang state.
+	Void mp_wakeup_thread(HAL::StackFrame* stack)
+	{
+		Kernel::UserProcessHelper::StartScheduling();
+	}
+
+	/// @brief makes the thread sleep on a loop.
+	/// hooks and hangs thread to prevent code from executing.
+	Void mp_hang_thread(HAL::StackFrame* stack)
+	{
+		while (Yes)
+		{
+			/* Nothing to do, code is spinning */
+		}
+	}
+} // namespace Kernel