68 lines
2.0 KiB
C++
68 lines
2.0 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 <map>
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#include <memory>
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#include <string>
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#include "common/common_types.h"
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#include "core/file_sys/nca_metadata.h"
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#include "core/file_sys/vfs.h"
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namespace FileSys {
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class NCA;
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class NACP;
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enum class TitleVersionFormat : u8 {
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ThreeElements, ///< vX.Y.Z
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FourElements, ///< vX.Y.Z.W
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};
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std::string FormatTitleVersion(u32 version,
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TitleVersionFormat format = TitleVersionFormat::ThreeElements);
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// A centralized class to manage patches to games.
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class PatchManager {
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public:
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explicit PatchManager(u64 title_id);
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~PatchManager();
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// Currently tracked ExeFS patches:
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// - Game Updates
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VirtualDir PatchExeFS(VirtualDir exefs) const;
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// Currently tracked NSO patches:
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// - IPS
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std::vector<u8> PatchNSO(const std::vector<u8>& nso) const;
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// Checks to see if PatchNSO() will have any effect given the NSO's build ID.
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// Used to prevent expensive copies in NSO loader.
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bool HasNSOPatch(const std::array<u8, 0x20>& build_id) const;
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// Currently tracked RomFS patches:
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// - Game Updates
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// - LayeredFS
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VirtualFile PatchRomFS(VirtualFile base, u64 ivfc_offset,
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ContentRecordType type = ContentRecordType::Program) const;
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// Returns a vector of pairs between patch names and patch versions.
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// i.e. Update 3.2.2 will return {"Update", "3.2.2"}
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std::map<std::string, std::string, std::less<>> GetPatchVersionNames() const;
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// Given title_id of the program, attempts to get the control data of the update and parse it,
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// falling back to the base control data.
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std::pair<std::shared_ptr<NACP>, VirtualFile> GetControlMetadata() const;
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// Version of GetControlMetadata that takes an arbitrary NCA
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std::pair<std::shared_ptr<NACP>, VirtualFile> ParseControlNCA(
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const std::shared_ptr<NCA>& nca) const;
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private:
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u64 title_id;
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};
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} // namespace FileSys
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