suyu/src/core/hle/service/cfg/cfg.h
2015-04-02 20:05:11 -07:00

144 lines
5.4 KiB
C++

// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include "core/hle/result.h"
namespace Service {
namespace CFG {
enum SystemModel {
NINTENDO_3DS = 0,
NINTENDO_3DS_XL = 1,
NEW_NINTENDO_3DS = 2,
NINTENDO_2DS = 3,
NEW_NINTENDO_3DS_XL = 4
};
enum SystemLanguage {
LANGUAGE_JP = 0,
LANGUAGE_EN = 1,
LANGUAGE_FR = 2,
LANGUAGE_DE = 3,
LANGUAGE_IT = 4,
LANGUAGE_ES = 5,
LANGUAGE_ZH = 6,
LANGUAGE_KO = 7,
LANGUAGE_NL = 8,
LANGUAGE_PT = 9,
LANGUAGE_RU = 10
};
/// Block header in the config savedata file
struct SaveConfigBlockEntry {
u32 block_id; ///< The id of the current block
u32 offset_or_data; ///< This is the absolute offset to the block data if the size is greater than 4 bytes, otherwise it contains the data itself
u16 size; ///< The size of the block
u16 flags; ///< The flags of the block, possibly used for access control
};
/// The maximum number of block entries that can exist in the config file
static const u32 CONFIG_FILE_MAX_BLOCK_ENTRIES = 1479;
/**
* The header of the config savedata file,
* contains information about the blocks in the file
*/
struct SaveFileConfig {
u16 total_entries; ///< The total number of set entries in the config file
u16 data_entries_offset; ///< The offset where the data for the blocks start, this is hardcoded to 0x455C as per hardware
SaveConfigBlockEntry block_entries[CONFIG_FILE_MAX_BLOCK_ENTRIES]; ///< The block headers, the maximum possible value is 1479 as per hardware
u32 unknown; ///< This field is unknown, possibly padding, 0 has been observed in hardware
};
static_assert(sizeof(SaveFileConfig) == 0x455C, "The SaveFileConfig header must be exactly 0x455C bytes");
struct UsernameBlock {
char16_t username[10]; ///< Exactly 20 bytes long, padded with zeros at the end if necessary
u32 zero;
u32 ng_word;
};
static_assert(sizeof(UsernameBlock) == 0x1C, "Size of UsernameBlock must be 0x1C");
struct ConsoleModelInfo {
u8 model; ///< The console model (3DS, 2DS, etc)
u8 unknown[3]; ///< Unknown data
};
static_assert(sizeof(ConsoleModelInfo) == 4, "ConsoleModelInfo must be exactly 4 bytes");
struct ConsoleCountryInfo {
u8 unknown[3]; ///< Unknown data
u8 country_code; ///< The country code of the console
};
static_assert(sizeof(ConsoleCountryInfo) == 4, "ConsoleCountryInfo must be exactly 4 bytes");
extern const u64 CFG_SAVE_ID;
extern const u64 CONSOLE_UNIQUE_ID;
extern const ConsoleModelInfo CONSOLE_MODEL;
extern const u8 CONSOLE_LANGUAGE;
extern const char CONSOLE_USERNAME[0x14];
/// This will be initialized in the Interface constructor, and will be used when creating the block
extern UsernameBlock CONSOLE_USERNAME_BLOCK;
/// TODO(Subv): Find out what this actually is
extern const u8 SOUND_OUTPUT_MODE;
extern const u8 UNITED_STATES_COUNTRY_ID;
/// TODO(Subv): Find what the other bytes are
extern const ConsoleCountryInfo COUNTRY_INFO;
extern const std::array<float, 8> STEREO_CAMERA_SETTINGS;
static_assert(sizeof(STEREO_CAMERA_SETTINGS) == 0x20, "STEREO_CAMERA_SETTINGS must be exactly 0x20 bytes");
static_assert(sizeof(CONSOLE_UNIQUE_ID) == 8, "CONSOLE_UNIQUE_ID must be exactly 8 bytes");
static_assert(sizeof(CONSOLE_LANGUAGE) == 1, "CONSOLE_LANGUAGE must be exactly 1 byte");
static_assert(sizeof(SOUND_OUTPUT_MODE) == 1, "SOUND_OUTPUT_MODE must be exactly 1 byte");
/**
* Reads a block with the specified id and flag from the Config savegame buffer
* and writes the output to output.
* The input size must match exactly the size of the requested block
* @param block_id The id of the block we want to read
* @param size The size of the block we want to read
* @param flag The requested block must have this flag set
* @param output A pointer where we will write the read data
* @returns ResultCode indicating the result of the operation, 0 on success
*/
ResultCode GetConfigInfoBlock(u32 block_id, u32 size, u32 flag, u8* output);
/**
* Creates a block with the specified id and writes the input data to the cfg savegame buffer in memory.
* The config savegame file in the filesystem is not updated.
* @param block_id The id of the block we want to create
* @param size The size of the block we want to create
* @param flags The flags of the new block
* @param data A pointer containing the data we will write to the new block
* @returns ResultCode indicating the result of the operation, 0 on success
*/
ResultCode CreateConfigInfoBlk(u32 block_id, u16 size, u16 flags, const u8* data);
/**
* Deletes the config savegame file from the filesystem, the buffer in memory is not affected
* @returns ResultCode indicating the result of the operation, 0 on success
*/
ResultCode DeleteConfigNANDSaveFile();
/**
* Writes the config savegame memory buffer to the config savegame file in the filesystem
* @returns ResultCode indicating the result of the operation, 0 on success
*/
ResultCode UpdateConfigNANDSavegame();
/**
* Re-creates the config savegame file in memory and the filesystem with the default blocks
* @returns ResultCode indicating the result of the operation, 0 on success
*/
ResultCode FormatConfig();
/// Initialize the config service
void Init();
/// Shutdown the config service
void Shutdown();
} // namespace CFG
} // namespace Service