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Kernel: My AML parser can now enable ACPI mode on QEMU!

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Bananymous
2024-04-10 03:05:27 +03:00
parent ff203d8d34
commit 5be38d0702
9 changed files with 295 additions and 34 deletions
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17
kernel/include/kernel/ACPI/AML/Method.h
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@@ -13,6 +13,7 @@ namespace Kernel::ACPI::AML
{
using Arguments = BAN::Array<BAN::RefPtr<AML::Register>, 7>;
Mutex mutex;
uint8_t arg_count;
bool serialized;
uint8_t sync_level;
@@ -68,17 +69,23 @@ namespace Kernel::ACPI::AML
return ParseResult::Success;
}
BAN::Optional<BAN::RefPtr<AML::Node>> evaluate(Arguments args)
BAN::Optional<BAN::RefPtr<AML::Node>> evaluate(Arguments args, uint8_t old_sync_level = 0)
{
ParseContext context;
context.aml_data = term_list;
context.scope = scope;
context.method_args = args;
context.sync_level = old_sync_level;
for (auto& local : context.method_locals)
local = MUST(BAN::RefPtr<AML::Register>::create());
BAN::Optional<BAN::RefPtr<AML::Node>> return_value;
if (serialized)
{
mutex.lock();
context.sync_level = BAN::Math::max(sync_level, old_sync_level);
}
BAN::Optional<BAN::RefPtr<AML::Node>> return_value;
while (context.aml_data.size() > 0)
{
auto parse_result = AML::parse_object(context);
@@ -88,7 +95,10 @@ namespace Kernel::ACPI::AML
break;
}
if (!parse_result.success())
{
AML_ERROR("Method {} evaluate failed", scope);
break;
}
}
while (!context.created_objects.empty())
@@ -97,6 +107,9 @@ namespace Kernel::ACPI::AML
context.created_objects.pop_back();
}
if (serialized)
mutex.unlock();
return return_value;
}