Kernel: Implement dummy AML NotifyOp

kernel/include/kernel/ACPI/AML/Notify.h

@@ -0,0 +1,66 @@
+#pragma once
+
+#include <kernel/ACPI/AML/Device.h>
+#include <kernel/ACPI/AML/ParseContext.h>
+#include <kernel/ACPI/AML/Processor.h>
+#include <kernel/ACPI/AML/ThermalZone.h>
+
+namespace Kernel::ACPI::AML
+{
+
+	struct Notify
+	{
+		static ParseResult parse(ParseContext& context)
+		{
+			ASSERT(context.aml_data.size() >= 1);
+			ASSERT(static_cast<Byte>(context.aml_data[0]) == Byte::NotifyOp);
+			context.aml_data = context.aml_data.slice(1);
+
+			auto object_result = AML::parse_object(context);
+			if (!object_result.success())
+				return ParseResult::Failure;
+			auto object = object_result.node();
+			if (!object)
+			{
+				AML_ERROR("Notify object is null");
+				return ParseResult::Failure;
+			}
+
+			auto value_result = AML::parse_object(context);
+			if (!value_result.success())
+				return ParseResult::Failure;
+			auto value = value_result.node() ? value_result.node()->as_integer() : BAN::Optional<uint64_t>();
+			if (!value.has_value())
+			{
+				AML_ERROR("Notify value is not an integer");
+				return ParseResult::Failure;
+			}
+
+			BAN::StringView object_type_sv;
+			BAN::StringView object_name_sv;
+			switch (object->type)
+			{
+				case AML::Node::Type::Device:
+					object_type_sv = "Device"sv;
+					object_name_sv = static_cast<AML::Device*>(object.ptr())->name.sv();
+					break;
+				case AML::Node::Type::Processor:
+					object_type_sv = "Processor"sv;
+					object_name_sv = static_cast<AML::Processor*>(object.ptr())->name.sv();
+					break;
+				case AML::Node::Type::ThermalZone:
+					object_type_sv = "ThermalZone"sv;
+					object_name_sv = static_cast<AML::ThermalZone*>(object.ptr())->name.sv();
+					break;
+				default:
+					object_type_sv = "Unknown"sv;
+					object_name_sv = "????"sv;
+					break;
+			}
+
+			AML_TODO("Notify: {} {}: {2H}", object_type_sv, object_name_sv, value.value());
+			return ParseResult::Success;
+		}
+	};
+
+}

kernel/kernel/ACPI/AML/Node.cpp

@@ -10,6 +10,7 @@
 #include <kernel/ACPI/AML/Mutex.h>
 #include <kernel/ACPI/AML/Names.h>
 #include <kernel/ACPI/AML/Node.h>
+#include <kernel/ACPI/AML/Notify.h>
 #include <kernel/ACPI/AML/Package.h>
 #include <kernel/ACPI/AML/ParseContext.h>
 #include <kernel/ACPI/AML/PowerResource.h>
@@ -173,6 +174,11 @@ namespace Kernel::ACPI
 				return AML::Reference::parse(context);
 			case AML::Byte::IndexOp:
 				return AML::Index::parse(context);
+			case AML::Byte::NotifyOp:
+				return AML::Notify::parse(context);
+			case AML::Byte::NoopOp:
+				context.aml_data = context.aml_data.slice(1);
+				return ParseResult::Success;
 			case AML::Byte::ReturnOp:
 			{
 				context.aml_data = context.aml_data.slice(1);