9a07ed53eb
Now that we have most of core free of shadowing, we can enable the warning as an error to catch anything that may be remaining and also eliminate this class of logic bug entirely.
114 lines
3 KiB
C++
114 lines
3 KiB
C++
// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <memory>
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#include <vector>
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#include "common/common_funcs.h"
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#include "common/common_types.h"
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#include "common/swap.h"
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#include "core/file_sys/vfs_types.h"
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namespace FileSys {
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class CNMT;
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struct CNMTHeader;
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struct OptionalHeader;
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enum class TitleType : u8 {
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SystemProgram = 0x01,
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SystemDataArchive = 0x02,
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SystemUpdate = 0x03,
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FirmwarePackageA = 0x04,
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FirmwarePackageB = 0x05,
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Application = 0x80,
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Update = 0x81,
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AOC = 0x82,
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DeltaTitle = 0x83,
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};
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enum class ContentRecordType : u8 {
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Meta = 0,
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Program = 1,
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Data = 2,
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Control = 3,
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HtmlDocument = 4,
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LegalInformation = 5,
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DeltaFragment = 6,
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};
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struct ContentRecord {
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std::array<u8, 0x20> hash;
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std::array<u8, 0x10> nca_id;
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std::array<u8, 0x6> size;
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ContentRecordType type;
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INSERT_PADDING_BYTES(1);
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};
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static_assert(sizeof(ContentRecord) == 0x38, "ContentRecord has incorrect size.");
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constexpr ContentRecord EMPTY_META_CONTENT_RECORD{{}, {}, {}, ContentRecordType::Meta, {}};
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struct MetaRecord {
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u64_le title_id;
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u32_le title_version;
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TitleType type;
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u8 install_byte;
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INSERT_PADDING_BYTES(2);
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};
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static_assert(sizeof(MetaRecord) == 0x10, "MetaRecord has incorrect size.");
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struct OptionalHeader {
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u64_le title_id;
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u64_le minimum_version;
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};
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static_assert(sizeof(OptionalHeader) == 0x10, "OptionalHeader has incorrect size.");
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struct CNMTHeader {
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u64_le title_id;
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u32_le title_version;
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TitleType type;
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u8 reserved;
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u16_le table_offset;
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u16_le number_content_entries;
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u16_le number_meta_entries;
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u8 attributes;
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std::array<u8, 2> reserved2;
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u8 is_committed;
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u32_le required_download_system_version;
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std::array<u8, 4> reserved3;
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};
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static_assert(sizeof(CNMTHeader) == 0x20, "CNMTHeader has incorrect size.");
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// A class representing the format used by NCA metadata files, typically named {}.cnmt.nca or
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// meta0.ncd. These describe which NCA's belong with which titles in the registered cache.
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class CNMT {
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public:
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explicit CNMT(VirtualFile file);
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CNMT(CNMTHeader header_, OptionalHeader opt_header_,
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std::vector<ContentRecord> content_records_, std::vector<MetaRecord> meta_records_);
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~CNMT();
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u64 GetTitleID() const;
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u32 GetTitleVersion() const;
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TitleType GetType() const;
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const std::vector<ContentRecord>& GetContentRecords() const;
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const std::vector<MetaRecord>& GetMetaRecords() const;
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bool UnionRecords(const CNMT& other);
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std::vector<u8> Serialize() const;
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private:
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CNMTHeader header;
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OptionalHeader opt_header;
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std::vector<ContentRecord> content_records;
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std::vector<MetaRecord> meta_records;
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// TODO(DarkLordZach): According to switchbrew, for Patch-type there is additional data
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// after the table. This is not documented, unfortunately.
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};
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} // namespace FileSys
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