From e0a447bfafe5c7d6e6af75f6fc2072a0c981988a Mon Sep 17 00:00:00 2001
From: Bananymous <oskari.alaranta@bananymous.com>
Date: Thu, 15 Aug 2024 02:28:22 +0300
Subject: [PATCH] Kernel: Add _GL to ACPI root namespace

---
 kernel/include/kernel/ACPI/AML/Mutex.h | 4 +++-
 kernel/kernel/ACPI/AML/Namespace.cpp   | 4 ++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/kernel/include/kernel/ACPI/AML/Mutex.h b/kernel/include/kernel/ACPI/AML/Mutex.h
index d10cdf7a..95827dd7 100644
--- a/kernel/include/kernel/ACPI/AML/Mutex.h
+++ b/kernel/include/kernel/ACPI/AML/Mutex.h
@@ -14,10 +14,12 @@ namespace Kernel::ACPI::AML
 	{
 		Kernel::Mutex mutex;
 		uint8_t sync_level;
+		bool global;
 
-		Mutex(NameSeg name, uint8_t sync_level)
+		Mutex(NameSeg name, uint8_t sync_level, bool global = false)
 			: NamedObject(Node::Type::Mutex, name)
 			, sync_level(sync_level)
+			, global(global)
 		{}
 
 		BAN::RefPtr<AML::Node> convert(uint8_t) override { return {}; }
diff --git a/kernel/kernel/ACPI/AML/Namespace.cpp b/kernel/kernel/ACPI/AML/Namespace.cpp
index 66bcfb4e..014a40e5 100644
--- a/kernel/kernel/ACPI/AML/Namespace.cpp
+++ b/kernel/kernel/ACPI/AML/Namespace.cpp
@@ -1,6 +1,7 @@
 #include <kernel/ACPI/AML/Device.h>
 #include <kernel/ACPI/AML/Integer.h>
 #include <kernel/ACPI/AML/Method.h>
+#include <kernel/ACPI/AML/Mutex.h>
 #include <kernel/ACPI/AML/Namespace.h>
 #include <kernel/ACPI/AML/ParseContext.h>
 #include <kernel/ACPI/AML/Region.h>
@@ -233,6 +234,9 @@ namespace Kernel::ACPI
 		ADD_PREDEFIED_NAMESPACE("_TZ"_sv);
 #undef ADD_PREDEFIED_NAMESPACE
 
+		auto gl = MUST(BAN::RefPtr<AML::Mutex>::create(NameSeg("_GL"_sv), 0, true));
+		ASSERT(s_root_namespace->add_named_object(context, AML::NameString("\\_GL"), gl));
+
 		// Add \_OSI that returns true for Linux compatibility
 		auto osi = MUST(BAN::RefPtr<AML::Method>::create(NameSeg("_OSI"_sv), 1, false, 0));
 		osi->override_function = [](AML::ParseContext& context) -> BAN::RefPtr<AML::Node> {