1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
|
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <iosfwd>
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include <vector>
#include "common/common_types.h"
#include "core/file_sys/control_metadata.h"
#include "core/file_sys/vfs.h"
namespace FileSys {
class NACP;
} // namespace FileSys
namespace Kernel {
struct AddressMapping;
class Process;
} // namespace Kernel
namespace Loader {
/// File types supported by CTR
enum class FileType {
Error,
Unknown,
ELF,
NSO,
NRO,
NCA,
NSP,
XCI,
NAX,
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,
};
std::ostream& operator<<(std::ostream& os, ResultStatus status);
/// Interface for loading an application
class AppLoader : NonCopyable {
public:
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.
* @return The status result of the operation.
*/
virtual LoadResult Load(Kernel::Process& process) = 0;
/**
* Loads the system mode that this application needs.
* This function defaults to 2 (96MB allocated to the application) if it can't read the
* information.
* @returns A pair with the optional system mode, and and the status.
*/
virtual std::pair<std::optional<u32>, ResultStatus> LoadKernelSystemMode() {
// 96MB allocated to the application.
return std::make_pair(2, ResultStatus::Success);
}
/**
* Get the code (typically .code section) of the application
* @param 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 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 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 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_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 RomFS of the application
* Since the RomFS can be huge, we return a file reference instead of copying to a buffer
* @param file The directory containing the RomFS
* @return ResultStatus result of function
*/
virtual ResultStatus ReadRomFS(FileSys::VirtualFile& file) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the raw update of the application, should it come packed with one
* @param file The raw update NCA file (Program-type
* @return ResultStatus result of function
*/
virtual ResultStatus ReadUpdateRaw(FileSys::VirtualFile& 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 whether or not 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 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 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 file The raw manual RomFS of the game
* @return ResultStatus result of function
*/
virtual ResultStatus ReadManualRomFS(FileSys::VirtualFile& 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 file The bootable file
* @return the best loader for this file
*/
std::unique_ptr<AppLoader> GetLoader(FileSys::VirtualFile file);
} // namespace Loader
|