From 999eb53364eb1d2ca194bae503938e6af94c3218 Mon Sep 17 00:00:00 2001
From: Bananymous <oskari.alaranta@bananymous.com>
Date: Wed, 18 Sep 2024 00:56:02 +0300
Subject: [PATCH] Kernel: Release debug lock if its locked during kernel panic

Also kernel panic now prints if it had lock
---
 kernel/include/kernel/Panic.h | 4 ++++
 kernel/kernel/IDT.cpp         | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/kernel/include/kernel/Panic.h b/kernel/include/kernel/Panic.h
index ff70ceac83..45a05d490e 100644
--- a/kernel/include/kernel/Panic.h
+++ b/kernel/include/kernel/Panic.h
@@ -17,7 +17,11 @@ namespace Kernel
 	static void panic_impl(const char* location, const char* message, Args&&... args)
 	{
 		asm volatile("cli");
+
+		const bool had_debug_lock = Debug::s_debug_lock.current_processor_has_lock();
 		derrorln("Kernel panic at {}", location);
+		if (had_debug_lock)
+			derrorln("  while having debug lock...");
 		derrorln(message, BAN::forward<Args>(args)...);
 		if (!g_paniced)
 		{
diff --git a/kernel/kernel/IDT.cpp b/kernel/kernel/IDT.cpp
index df5214fa43..98236ced4d 100644
--- a/kernel/kernel/IDT.cpp
+++ b/kernel/kernel/IDT.cpp
@@ -360,6 +360,8 @@ done:
 	{
 		if (g_paniced)
 		{
+			while (Debug::s_debug_lock.current_processor_has_lock())
+				Debug::s_debug_lock.unlock(InterruptState::Disabled);
 			dprintln("Processor {} halted", Processor::current_id());
 			if (InterruptController::is_initialized())
 				InterruptController::get().broadcast_ipi();