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Kernel: Implement more AML method invocation stuff

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Method invocation is starting to come together. This implemenetation
can interpret some of the qemu's functions to enter ACPI mode.

PCI config space access is currently the one thing is between
entering ACPI mode.
This commit is contained in:
Bananymous
2024-04-10 01:52:14 +03:00
parent 23fa39121c
commit ff203d8d34
23 changed files with 619 additions and 108 deletions
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24
kernel/include/kernel/ACPI/AML/Node.h
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@@ -4,6 +4,7 @@
#include <BAN/Optional.h>
#include <BAN/RefPtr.h>
#include <BAN/Vector.h>
#include <kernel/ACPI/AML/Utils.h>
namespace Kernel::ACPI::AML
{
@@ -24,6 +25,7 @@ namespace Kernel::ACPI::AML
OpRegion,
Package,
Processor,
Register,
String,
};
const Type type;
@@ -32,7 +34,10 @@ namespace Kernel::ACPI::AML
virtual ~Node() = default;
virtual bool is_scope() const { return false; }
virtual BAN::Optional<uint64_t> as_integer() const { return {}; }
BAN::Optional<uint64_t> as_integer();
virtual BAN::RefPtr<AML::Node> evaluate() { AML_TODO("evaluate, type {}", static_cast<uint8_t>(type)); return nullptr; }
virtual bool store(BAN::RefPtr<AML::Node> source) { AML_TODO("store, type {}", static_cast<uint8_t>(type)); return false; }
virtual void debug_print(int indent) const = 0;
};
@@ -47,12 +52,25 @@ namespace Kernel::ACPI::AML
{
Success,
Failure,
Returned,
};
ParseResult(Result success) : m_result(success) {}
ParseResult(BAN::RefPtr<Node> node) : m_result(Result::Success), m_node(BAN::move(node)) { ASSERT(m_node); }
ParseResult(Result success)
: m_result(success)
{}
ParseResult(Result success, BAN::RefPtr<Node> node)
: m_result(success)
, m_node(BAN::move(node))
{}
ParseResult(BAN::RefPtr<Node> node)
: m_result(Result::Success)
, m_node(BAN::move(node))
{
ASSERT(m_node);
}
bool success() const { return m_result == Result::Success; }
bool returned() const { return m_result == Result::Returned; }
BAN::RefPtr<Node> node()
{