suyu/src/core/loader/loader.h
Morph 99ceb03a1c general: Convert source file copyright comments over to SPDX
This formats all copyright comments according to SPDX formatting guidelines.
Additionally, this resolves the remaining GPLv2 only licensed files by relicensing them to GPLv2.0-or-later.
2022-04-23 05:55:32 -04:00

343 lines
9.4 KiB
C++

// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <iosfwd>
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include <vector>
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "core/file_sys/control_metadata.h"
#include "core/file_sys/vfs.h"
namespace Core {
class System;
}
namespace FileSys {
class NACP;
} // namespace FileSys
namespace Kernel {
struct AddressMapping;
class KProcess;
} // namespace Kernel
namespace Loader {
/// File types supported by CTR
enum class FileType {
Error,
Unknown,
ELF,
NSO,
NRO,
NCA,
NSP,
XCI,
NAX,
KIP,
DeconstructedRomDirectory,
};
/**
* Identifies the type of a bootable file based on the magic value in its header.
* @param file open file
* @return FileType of file
*/
FileType IdentifyFile(FileSys::VirtualFile file);
/**
* Guess the type of a bootable file from its name
* @param name String name of bootable file
* @return FileType of file. Note: this will return FileType::Unknown if it is unable to determine
* a filetype, and will never return FileType::Error.
*/
FileType GuessFromFilename(const std::string& name);
/**
* Convert a FileType into a string which can be displayed to the user.
*/
std::string GetFileTypeString(FileType type);
/// Return type for functions in Loader namespace
enum class ResultStatus : u16 {
Success,
ErrorAlreadyLoaded,
ErrorNotImplemented,
ErrorNotInitialized,
ErrorBadNPDMHeader,
ErrorBadACIDHeader,
ErrorBadACIHeader,
ErrorBadFileAccessControl,
ErrorBadFileAccessHeader,
ErrorBadKernelCapabilityDescriptors,
ErrorBadPFSHeader,
ErrorIncorrectPFSFileSize,
ErrorBadNCAHeader,
ErrorMissingProductionKeyFile,
ErrorMissingHeaderKey,
ErrorIncorrectHeaderKey,
ErrorNCA2,
ErrorNCA0,
ErrorMissingTitlekey,
ErrorMissingTitlekek,
ErrorInvalidRightsID,
ErrorMissingKeyAreaKey,
ErrorIncorrectKeyAreaKey,
ErrorIncorrectTitlekeyOrTitlekek,
ErrorXCIMissingProgramNCA,
ErrorNCANotProgram,
ErrorNoExeFS,
ErrorBadXCIHeader,
ErrorXCIMissingPartition,
ErrorNullFile,
ErrorMissingNPDM,
Error32BitISA,
ErrorUnableToParseKernelMetadata,
ErrorNoRomFS,
ErrorIncorrectELFFileSize,
ErrorLoadingNRO,
ErrorLoadingNSO,
ErrorNoIcon,
ErrorNoControl,
ErrorBadNAXHeader,
ErrorIncorrectNAXFileSize,
ErrorNAXKeyHMACFailed,
ErrorNAXValidationHMACFailed,
ErrorNAXKeyDerivationFailed,
ErrorNAXInconvertibleToNCA,
ErrorBadNAXFilePath,
ErrorMissingSDSeed,
ErrorMissingSDKEKSource,
ErrorMissingAESKEKGenerationSource,
ErrorMissingAESKeyGenerationSource,
ErrorMissingSDSaveKeySource,
ErrorMissingSDNCAKeySource,
ErrorNSPMissingProgramNCA,
ErrorBadBKTRHeader,
ErrorBKTRSubsectionNotAfterRelocation,
ErrorBKTRSubsectionNotAtEnd,
ErrorBadRelocationBlock,
ErrorBadSubsectionBlock,
ErrorBadRelocationBuckets,
ErrorBadSubsectionBuckets,
ErrorMissingBKTRBaseRomFS,
ErrorNoPackedUpdate,
ErrorBadKIPHeader,
ErrorBLZDecompressionFailed,
ErrorBadINIHeader,
ErrorINITooManyKIPs,
};
std::string GetResultStatusString(ResultStatus status);
std::ostream& operator<<(std::ostream& os, ResultStatus status);
/// Interface for loading an application
class AppLoader {
public:
YUZU_NON_COPYABLE(AppLoader);
YUZU_NON_MOVEABLE(AppLoader);
struct LoadParameters {
s32 main_thread_priority;
u64 main_thread_stack_size;
};
using LoadResult = std::pair<ResultStatus, std::optional<LoadParameters>>;
explicit AppLoader(FileSys::VirtualFile file_);
virtual ~AppLoader();
/**
* Returns the type of this file
*
* @return FileType corresponding to the loaded file
*/
virtual FileType GetFileType() const = 0;
/**
* Load the application and return the created Process instance
*
* @param process The newly created process.
* @param system The system that this process is being loaded under.
*
* @return The status result of the operation.
*/
virtual LoadResult Load(Kernel::KProcess& process, Core::System& system) = 0;
/**
* Get the code (typically .code section) of the application
*
* @param[out] buffer Reference to buffer to store data
*
* @return ResultStatus result of function
*/
virtual ResultStatus ReadCode(std::vector<u8>& buffer) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the icon (typically icon section) of the application
*
* @param[out] buffer Reference to buffer to store data
*
* @return ResultStatus result of function
*/
virtual ResultStatus ReadIcon(std::vector<u8>& buffer) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the banner (typically banner section) of the application
* In the context of NX, this is the animation that displays in the bottom right of the screen
* when a game boots. Stored in GIF format.
*
* @param[out] buffer Reference to buffer to store data
*
* @return ResultStatus result of function
*/
virtual ResultStatus ReadBanner(std::vector<u8>& buffer) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the logo (typically logo section) of the application
* In the context of NX, this is the static image that displays in the top left of the screen
* when a game boots. Stored in JPEG format.
*
* @param[out] buffer Reference to buffer to store data
*
* @return ResultStatus result of function
*/
virtual ResultStatus ReadLogo(std::vector<u8>& buffer) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the program id of the application
*
* @param[out] out_program_id Reference to store program id into
*
* @return ResultStatus result of function
*/
virtual ResultStatus ReadProgramId(u64& out_program_id) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the program ids of the application
*
* @param[out] out_program_ids Reference to store program ids into
*
* @return ResultStatus result of function
*/
virtual ResultStatus ReadProgramIds(std::vector<u64>& out_program_ids) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the RomFS of the application
* Since the RomFS can be huge, we return a file reference instead of copying to a buffer
*
* @param[out] out_file The directory containing the RomFS
*
* @return ResultStatus result of function
*/
virtual ResultStatus ReadRomFS(FileSys::VirtualFile& out_file) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the raw update of the application, should it come packed with one
*
* @param[out] out_file The raw update NCA file (Program-type)
*
* @return ResultStatus result of function
*/
virtual ResultStatus ReadUpdateRaw(FileSys::VirtualFile& out_file) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get whether or not updates can be applied to the RomFS.
* By default, this is true, however for formats where it cannot be guaranteed that the RomFS is
* the base game it should be set to false.
*
* @return bool indicating whether or not the RomFS is updatable.
*/
virtual bool IsRomFSUpdatable() const {
return true;
}
/**
* Gets the difference between the start of the IVFC header and the start of level 6 (RomFS)
* data. Needed for BKTR patching.
*
* @return IVFC offset for RomFS.
*/
virtual u64 ReadRomFSIVFCOffset() const {
return 0;
}
/**
* Get the title of the application
*
* @param[out] title Reference to store the application title into
*
* @return ResultStatus result of function
*/
virtual ResultStatus ReadTitle(std::string& title) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the control data (CNMT) of the application
*
* @param[out] control Reference to store the application control data into
*
* @return ResultStatus result of function
*/
virtual ResultStatus ReadControlData(FileSys::NACP& control) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the RomFS of the manual of the application
*
* @param[out] out_file The raw manual RomFS of the game
*
* @return ResultStatus result of function
*/
virtual ResultStatus ReadManualRomFS(FileSys::VirtualFile& out_file) {
return ResultStatus::ErrorNotImplemented;
}
using Modules = std::map<VAddr, std::string>;
virtual ResultStatus ReadNSOModules(Modules& modules) {
return ResultStatus::ErrorNotImplemented;
}
protected:
FileSys::VirtualFile file;
bool is_loaded = false;
};
/**
* Identifies a bootable file and return a suitable loader
*
* @param system The system context.
* @param file The bootable file.
* @param program_index Specifies the index within the container of the program to launch.
*
* @return the best loader for this file.
*/
std::unique_ptr<AppLoader> GetLoader(Core::System& system, FileSys::VirtualFile file,
u64 program_id = 0, std::size_t program_index = 0);
} // namespace Loader