From cbfd279a1410e11d734edc99509a3e0c02dc6fcc Mon Sep 17 00:00:00 2001
From: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
Date: Fri, 3 Jan 2025 09:58:24 +0100
Subject: Worked on the AARCH64 HAL for TQ's boards, Add new spec in /doc/

Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
---
 dev/Kernel/HALKit/ARM64/HalApplicationProcessor.cc | 40 ++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 dev/Kernel/HALKit/ARM64/HalApplicationProcessor.cc

(limited to 'dev/Kernel/HALKit/ARM64/HalApplicationProcessor.cc')

diff --git a/dev/Kernel/HALKit/ARM64/HalApplicationProcessor.cc b/dev/Kernel/HALKit/ARM64/HalApplicationProcessor.cc
new file mode 100644
index 00000000..fa62cf20
--- /dev/null
+++ b/dev/Kernel/HALKit/ARM64/HalApplicationProcessor.cc
@@ -0,0 +1,40 @@
+/* -------------------------------------------
+
+	Copyright (C) 2024, Theater Quality Corp, all rights reserved.
+
+------------------------------------------- */
+
+#include <HALKit/ARM64/Processor.h>
+#include <KernelKit/DebugOutput.h>
+#include <HALKit/ARM64/AP.h>
+
+using namespace Kernel;
+
+namespace Kernel::Detail
+{
+	STATIC void mp_hang_fn(void)
+	{
+		while (YES)
+			;
+	}
+} // namespace Kernel::Detail
+
+/// @brief wakes up thread from it's hang state.
+/// 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->BP));
+}
+
+/// @brief makes thread go to hang state.
+/// 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));
+}
-- 
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