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// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <vector>
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/swap.h"
#include "core/file_sys/vfs_types.h"
namespace FileSys {
class CNMT;
struct CNMTHeader;
struct OptionalHeader;
enum class TitleType : u8 {
SystemProgram = 0x01,
SystemDataArchive = 0x02,
SystemUpdate = 0x03,
FirmwarePackageA = 0x04,
FirmwarePackageB = 0x05,
Application = 0x80,
Update = 0x81,
AOC = 0x82,
DeltaTitle = 0x83,
};
enum class ContentRecordType : u8 {
Meta = 0,
Program = 1,
Data = 2,
Control = 3,
HtmlDocument = 4,
LegalInformation = 5,
DeltaFragment = 6,
};
struct ContentRecord {
std::array<u8, 0x20> hash;
std::array<u8, 0x10> nca_id;
std::array<u8, 0x6> size;
ContentRecordType type;
INSERT_PADDING_BYTES(1);
};
static_assert(sizeof(ContentRecord) == 0x38, "ContentRecord has incorrect size.");
constexpr ContentRecord EMPTY_META_CONTENT_RECORD{{}, {}, {}, ContentRecordType::Meta, {}};
struct MetaRecord {
u64_le title_id;
u32_le title_version;
TitleType type;
u8 install_byte;
INSERT_PADDING_BYTES(2);
};
static_assert(sizeof(MetaRecord) == 0x10, "MetaRecord has incorrect size.");
struct OptionalHeader {
u64_le title_id;
u64_le minimum_version;
};
static_assert(sizeof(OptionalHeader) == 0x10, "OptionalHeader has incorrect size.");
struct CNMTHeader {
u64_le title_id;
u32_le title_version;
TitleType type;
u8 reserved;
u16_le table_offset;
u16_le number_content_entries;
u16_le number_meta_entries;
u8 attributes;
std::array<u8, 2> reserved2;
u8 is_committed;
u32_le required_download_system_version;
std::array<u8, 4> reserved3;
};
static_assert(sizeof(CNMTHeader) == 0x20, "CNMTHeader has incorrect size.");
// A class representing the format used by NCA metadata files, typically named {}.cnmt.nca or
// meta0.ncd. These describe which NCA's belong with which titles in the registered cache.
class CNMT {
public:
explicit CNMT(VirtualFile file);
CNMT(CNMTHeader header_, OptionalHeader opt_header_,
std::vector<ContentRecord> content_records_, std::vector<MetaRecord> meta_records_);
~CNMT();
const CNMTHeader& GetHeader() const;
u64 GetTitleID() const;
u32 GetTitleVersion() const;
TitleType GetType() const;
const std::vector<ContentRecord>& GetContentRecords() const;
const std::vector<MetaRecord>& GetMetaRecords() const;
bool UnionRecords(const CNMT& other);
std::vector<u8> Serialize() const;
private:
CNMTHeader header;
OptionalHeader opt_header;
std::vector<ContentRecord> content_records;
std::vector<MetaRecord> meta_records;
// TODO(DarkLordZach): According to switchbrew, for Patch-type there is additional data
// after the table. This is not documented, unfortunately.
};
} // namespace FileSys
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