banan-os/kernel/include/kernel/ACPI/AML/Field.h

90 lines
1.6 KiB
C++

#pragma once
#include <kernel/ACPI/AML/NamedObject.h>
#include <kernel/ACPI/AML/ParseContext.h>
#include <kernel/ACPI/AML/Pkg.h>
#include <kernel/ACPI/AML/Region.h>
namespace Kernel::ACPI::AML
{
struct FieldRules
{
enum class AccessType
{
Any = 0,
Byte = 1,
Word = 2,
DWord = 3,
QWord = 4,
Buffer = 5,
};
AccessType access_type;
enum class LockRule
{
NoLock = 0,
Lock = 1,
};
LockRule lock_rule;
enum class UpdateRule
{
Preserve = 0,
WriteAsOnes = 1,
WriteAsZeros = 2,
};
UpdateRule update_rule;
};
struct FieldElement : public NamedObject
{
uint64_t bit_offset;
uint32_t bit_count;
FieldRules access_rules;
OpRegion* op_region = nullptr;
FieldElement(NameSeg name, uint64_t bit_offset, uint32_t bit_count, FieldRules access_rules)
: NamedObject(Node::Type::FieldElement, name)
, bit_offset(bit_offset)
, bit_count(bit_count)
, access_rules(access_rules)
{}
void debug_print(int indent) const override;
};
struct Field
{
static ParseResult parse(ParseContext& context);
};
struct IndexFieldElement : public NamedObject
{
uint64_t bit_offset;
uint32_t bit_count;
FieldRules access_rules;
FieldElement* index_element = nullptr;
FieldElement* data_element = nullptr;
IndexFieldElement(NameSeg name, uint64_t bit_offset, uint32_t bit_count, FieldRules access_rules)
: NamedObject(Node::Type::IndexFieldElement, name)
, bit_offset(bit_offset)
, bit_count(bit_count)
, access_rules(access_rules)
{}
void debug_print(int indent) const override;
};
struct IndexField
{
static ParseResult parse(ParseContext& context);
};
}