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Kernel: Implement AML ObjectTypeOp

This commit is contained in:
Bananymous 2024-08-18 20:49:35 +03:00
parent 71dc373610
commit 40c6989374
2 changed files with 111 additions and 0 deletions
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108
kernel/include/kernel/ACPI/AML/ObjectType.h Normal file
View File

@ -0,0 +1,108 @@
#pragma once
#include <kernel/ACPI/AML/Integer.h>
#include <kernel/ACPI/AML/ParseContext.h>
#include <kernel/ACPI/AML/Reference.h>
namespace Kernel::ACPI::AML
{
struct ObjectType
{
static ParseResult parse(ParseContext& context)
{
ASSERT(context.aml_data.size() >= 1);
ASSERT(static_cast<Byte>(context.aml_data[0]) == Byte::ObjectTypeOp);
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()
? object_result.node()->to_underlying()
: BAN::RefPtr<AML::Node>();
if (object && object->type == AML::Node::Type::Reference)
object = static_cast<AML::Reference*>(object.ptr())->node->to_underlying();
uint64_t value = 0;
if (object)
{
switch (object->type)
{
case AML::Node::Type::None:
case AML::Node::Type::Alias:
case AML::Node::Type::Name:
case AML::Node::Type::PackageElement:
case AML::Node::Type::Reference:
case AML::Node::Type::Register:
ASSERT_NOT_REACHED();
case AML::Node::Type::Namespace:
value = 0;
break;
case AML::Node::Type::Integer:
value = 1;
break;
case AML::Node::Type::String:
value = 2;
break;
case AML::Node::Type::Buffer:
value = 3;
break;
case AML::Node::Type::Package:
value = 4;
break;
case AML::Node::Type::FieldElement:
case AML::Node::Type::BankFieldElement:
case AML::Node::Type::IndexFieldElement:
value = 5;
break;
case AML::Node::Type::Device:
value = 6;
break;
case AML::Node::Type::Event:
value = 7;
break;
case AML::Node::Type::Method:
value = 8;
break;
case AML::Node::Type::Mutex:
value = 9;
break;
case AML::Node::Type::OpRegion:
value = 10;
break;
case AML::Node::Type::PowerResource:
value = 11;
break;
case AML::Node::Type::Processor:
value = 12;
break;
case AML::Node::Type::ThermalZone:
value = 13;
break;
case AML::Node::Type::BufferField:
value = 14;
break;
case AML::Node::Type::Debug:
value = 16;
break;
}
}
#if AML_DEBUG_LEVEL >= 2
if (!object)
AML_DEBUG_PRINTLN("ObjectType { null }");
else
{
AML_DEBUG_PRINTLN("ObjectType {");
object->debug_print(1);
AML_DEBUG_PRINTLN("");
}
#endif
return ParseResult(MUST(BAN::RefPtr<AML::Integer>::create(value)));
}
};
}

3
kernel/kernel/ACPI/AML/Node.cpp
View File

@ -15,6 +15,7 @@
#include <kernel/ACPI/AML/Names.h>
#include <kernel/ACPI/AML/Node.h>
#include <kernel/ACPI/AML/Notify.h>
#include <kernel/ACPI/AML/ObjectType.h>
#include <kernel/ACPI/AML/Package.h>
#include <kernel/ACPI/AML/ParseContext.h>
#include <kernel/ACPI/AML/PowerResource.h>
@ -191,6 +192,8 @@ namespace Kernel::ACPI
return AML::Notify::parse(context);
case AML::Byte::SizeOfOp:
return AML::SizeOf::parse(context);
case AML::Byte::ObjectTypeOp:
return AML::ObjectType::parse(context);
case AML::Byte::BreakPointOp: // TODO: support breakpoints?
case AML::Byte::NoopOp:
context.aml_data = context.aml_data.slice(1);