mirror of https://github.com/AxioDL/kabufuda.git
496 lines
13 KiB
C++
496 lines
13 KiB
C++
#pragma once
|
|
|
|
#include <array>
|
|
#include <cstdint>
|
|
#include <string>
|
|
|
|
#include "kabufuda/AsyncIO.hpp"
|
|
#include "kabufuda/BlockAllocationTable.hpp"
|
|
#include "kabufuda/Directory.hpp"
|
|
#include "kabufuda/File.hpp"
|
|
#include "kabufuda/Util.hpp"
|
|
|
|
#define CARD_FILENAME_MAX 32
|
|
#define CARD_ICON_MAX 8
|
|
|
|
namespace kabufuda {
|
|
|
|
class FileHandle {
|
|
friend class Card;
|
|
uint32_t idx = UINT32_MAX;
|
|
int32_t offset = 0;
|
|
explicit FileHandle(uint32_t idx) : idx(idx) {}
|
|
|
|
public:
|
|
FileHandle() = default;
|
|
uint32_t getFileNo() const { return idx; }
|
|
explicit operator bool() const { return getFileNo() != UINT32_MAX; }
|
|
};
|
|
|
|
struct ProbeResults {
|
|
ECardResult x0_error;
|
|
uint32_t x4_cardSize; /* in megabits */
|
|
uint32_t x8_sectorSize; /* in bytes */
|
|
};
|
|
|
|
struct CardStat {
|
|
/* read-only (Set by Card::getStatus) */
|
|
char x0_fileName[CARD_FILENAME_MAX];
|
|
uint32_t x20_length;
|
|
uint32_t x24_time; /* seconds since 01/01/2000 midnight */
|
|
std::array<uint8_t, 4> x28_gameName;
|
|
std::array<uint8_t, 2> x2c_company;
|
|
|
|
/* read/write (Set by Card::getStatus/Card::setStatus) */
|
|
uint8_t x2e_bannerFormat;
|
|
uint8_t x2f___padding;
|
|
uint32_t x30_iconAddr; /* offset to the banner, bannerTlut, icon, iconTlut data set. */
|
|
uint16_t x34_iconFormat;
|
|
uint16_t x36_iconSpeed;
|
|
uint32_t x38_commentAddr; /* offset to the pair of 32 byte character strings. */
|
|
|
|
/* read-only (Set by Card::getStatus) */
|
|
uint32_t x3c_offsetBanner;
|
|
uint32_t x40_offsetBannerTlut;
|
|
std::array<uint32_t, CARD_ICON_MAX> x44_offsetIcon;
|
|
uint32_t x64_offsetIconTlut;
|
|
uint32_t x68_offsetData;
|
|
|
|
uint32_t GetFileLength() const { return x20_length; }
|
|
uint32_t GetTime() const { return x24_time; }
|
|
EImageFormat GetBannerFormat() const { return EImageFormat(x2e_bannerFormat & 0x3); }
|
|
void SetBannerFormat(EImageFormat fmt) { x2e_bannerFormat = (x2e_bannerFormat & ~0x3) | uint8_t(fmt); }
|
|
EImageFormat GetIconFormat(int idx) const { return EImageFormat((x34_iconFormat >> (idx * 2)) & 0x3); }
|
|
void SetIconFormat(EImageFormat fmt, int idx) {
|
|
x34_iconFormat &= ~(0x3 << (idx * 2));
|
|
x34_iconFormat |= uint16_t(fmt) << (idx * 2);
|
|
}
|
|
void SetIconSpeed(EAnimationSpeed sp, int idx) {
|
|
x36_iconSpeed &= ~(0x3 << (idx * 2));
|
|
x36_iconSpeed |= uint16_t(sp) << (idx * 2);
|
|
}
|
|
uint32_t GetIconAddr() const { return x30_iconAddr; }
|
|
void SetIconAddr(uint32_t addr) { x30_iconAddr = addr; }
|
|
uint32_t GetCommentAddr() const { return x38_commentAddr; }
|
|
void SetCommentAddr(uint32_t addr) { x38_commentAddr = addr; }
|
|
};
|
|
|
|
class Card {
|
|
#pragma pack(push, 4)
|
|
struct CardHeader {
|
|
union {
|
|
struct {
|
|
std::array<uint8_t, 12> m_serial;
|
|
uint64_t m_formatTime;
|
|
int32_t m_sramBias;
|
|
uint32_t m_sramLanguage;
|
|
uint32_t m_unknown;
|
|
uint16_t m_deviceId; /* 0 for Slot A, 1 for Slot B */
|
|
uint16_t m_sizeMb;
|
|
uint16_t m_encoding;
|
|
std::array<uint8_t, 468> padding;
|
|
uint16_t m_updateCounter;
|
|
uint16_t m_checksum;
|
|
uint16_t m_checksumInv;
|
|
};
|
|
std::array<uint8_t, BlockSize> raw;
|
|
};
|
|
void _swapEndian();
|
|
};
|
|
#pragma pack(pop)
|
|
|
|
CardHeader m_ch;
|
|
CardHeader m_tmpCh;
|
|
|
|
std::string m_filename;
|
|
AsyncIO m_fileHandle;
|
|
std::array<Directory, 2> m_dirs;
|
|
std::array<BlockAllocationTable, 2> m_bats;
|
|
std::array<Directory, 2> m_tmpDirs;
|
|
std::array<BlockAllocationTable, 2> m_tmpBats;
|
|
uint8_t m_currentDir;
|
|
uint8_t m_currentBat;
|
|
|
|
uint16_t m_maxBlock;
|
|
char m_game[5] = {'\0'};
|
|
char m_maker[3] = {'\0'};
|
|
|
|
void _updateDirAndBat(const Directory& dir, const BlockAllocationTable& bat);
|
|
void _updateChecksum();
|
|
File* _fileFromHandle(const FileHandle& fh) const;
|
|
void _deleteFile(File& f, BlockAllocationTable& bat);
|
|
|
|
bool m_dirty = false;
|
|
bool m_opened = false;
|
|
ECardResult _pumpOpen();
|
|
|
|
public:
|
|
Card();
|
|
Card(const Card& other) = delete;
|
|
Card& operator=(const Card& other) = delete;
|
|
Card(Card&& other);
|
|
Card& operator=(Card&& other);
|
|
|
|
/**
|
|
* @brief Card
|
|
*
|
|
* @param game The game code.
|
|
* @param maker The maker code.
|
|
*/
|
|
explicit Card(const char* game = nullptr, const char* maker = nullptr);
|
|
~Card();
|
|
|
|
/**
|
|
* @brief openFile
|
|
*
|
|
* @param[in] filename The name of the file to open.
|
|
* @param[out] handleOut Out reference that will contain the opened file handle.
|
|
*
|
|
* @return A result indicating the error status of the operation.
|
|
*/
|
|
ECardResult openFile(const char* filename, FileHandle& handleOut);
|
|
|
|
/**
|
|
* @brief openFile
|
|
*
|
|
* @param[in] fileno The file index.
|
|
* @param[out] handleOut Out reference that will contain the opened file handle.
|
|
*
|
|
* @return A result indicating the error status of the operation.
|
|
*/
|
|
ECardResult openFile(uint32_t fileno, FileHandle& handleOut);
|
|
|
|
/**
|
|
* @brief createFile
|
|
*
|
|
* @param[in] filename The name of the file to create.
|
|
* @param[out] handleOut Out reference that will contain the handle of the created file.
|
|
*
|
|
* @return A result indicating the error status of the operation.
|
|
*/
|
|
ECardResult createFile(const char* filename, size_t size, FileHandle& handleOut);
|
|
|
|
/**
|
|
* @brief closeFile
|
|
*
|
|
* @param fh FileHandle to close
|
|
*
|
|
* @return READY
|
|
*/
|
|
ECardResult closeFile(FileHandle& fh);
|
|
|
|
/**
|
|
* @brief firstFile
|
|
*
|
|
* @return The first file within this card instance. If
|
|
* no file is able to be found, then an invalid
|
|
* handle will be returned.
|
|
*/
|
|
FileHandle firstFile();
|
|
|
|
/**
|
|
* @brief nextFile
|
|
*
|
|
* @param cur The file handle indicating the current file handle.
|
|
*
|
|
* @return The next file within this card. If no file can be found,
|
|
* an invalid handle will be returned.
|
|
*/
|
|
FileHandle nextFile(const FileHandle& cur);
|
|
|
|
/**
|
|
* @brief getFilename
|
|
*
|
|
* @param fh A valid file handle to retrieve the name of.
|
|
*
|
|
* @return Gets the name of the given file.
|
|
*/
|
|
const char* getFilename(const FileHandle& fh) const;
|
|
|
|
/**
|
|
* @brief deleteFile
|
|
*
|
|
* @param fh File handle to delete.
|
|
*/
|
|
void deleteFile(const FileHandle& fh);
|
|
|
|
/**
|
|
* @brief deleteFile
|
|
*
|
|
* @param filename The name of the file to delete.
|
|
*/
|
|
ECardResult deleteFile(const char* filename);
|
|
|
|
/**
|
|
* @brief deleteFile
|
|
*
|
|
* @param fileno The file number indicating the file to delete.
|
|
*/
|
|
ECardResult deleteFile(uint32_t fileno);
|
|
|
|
/**
|
|
* @brief renameFile
|
|
*
|
|
* @param oldName The old name of the file.
|
|
* @param newName The new name to assign to the file.
|
|
*/
|
|
ECardResult renameFile(const char* oldName, const char* newName);
|
|
|
|
/**
|
|
* @brief write
|
|
*
|
|
* @param fh A valid file handle to write to.
|
|
* @param buf The buffer to write to the file.
|
|
* @param size The size of the given buffer.
|
|
*/
|
|
ECardResult asyncWrite(FileHandle& fh, const void* buf, size_t size);
|
|
|
|
/**
|
|
* @brief read
|
|
*
|
|
* @param fh A valid file handle to read from.
|
|
* @param dst A buffer to read data into.
|
|
* @param size The size of the buffer to read into.
|
|
*/
|
|
ECardResult asyncRead(FileHandle& fh, void* dst, size_t size);
|
|
|
|
/**
|
|
* @brief seek
|
|
*
|
|
* @param fh A valid file handle.
|
|
* @param pos The position to seek to.
|
|
* @param whence The origin to seek relative to.
|
|
*/
|
|
void seek(FileHandle& fh, int32_t pos, SeekOrigin whence);
|
|
|
|
/**
|
|
* @brief Returns the current offset of the specified file.
|
|
*
|
|
* @param fh The file to retrieve the offset from.
|
|
*
|
|
* @return The offset or -1 if an invalid handle is passed.
|
|
*/
|
|
int32_t tell(const FileHandle& fh) const;
|
|
|
|
/**
|
|
* @brief setPublic
|
|
*
|
|
* @param fh The file handle to make public.
|
|
* @param pub Whether or not this file is public (i.e. readable by any game).
|
|
*/
|
|
void setPublic(const FileHandle& fh, bool pub);
|
|
|
|
/**
|
|
* @brief isPublic
|
|
*
|
|
* @param fh The file handle to query.
|
|
*
|
|
* @return Whether or not this file is public (i.e. readable by any game).
|
|
*/
|
|
bool isPublic(const FileHandle& fh) const;
|
|
|
|
/**
|
|
* @brief setCanCopy
|
|
*
|
|
* @param fh The file handle to set as copyable.
|
|
* @param copy Whether or not to set the file handle as copyable.
|
|
*/
|
|
void setCanCopy(const FileHandle& fh, bool copy) const;
|
|
|
|
/**
|
|
* @brief canCopy
|
|
*
|
|
* @param fh The file handle to query.
|
|
*
|
|
* @return Whether or not this file handle is copyable by the IPL.
|
|
*/
|
|
bool canCopy(const FileHandle& fh) const;
|
|
|
|
/**
|
|
* @brief setCanMove
|
|
*
|
|
* @param fh The file handle to set as moveable.
|
|
* @param move Whether or not to set the file handle as movable.
|
|
*/
|
|
void setCanMove(const FileHandle& fh, bool move);
|
|
|
|
/**
|
|
* @brief canMove
|
|
*
|
|
* @param fh The file handle to query.
|
|
*
|
|
* @return whether or not the file can be moved by the IPL.
|
|
*/
|
|
bool canMove(const FileHandle& fh) const;
|
|
|
|
/**
|
|
* @brief getStatus
|
|
*
|
|
* @param fh Handle of requested file
|
|
* @param statOut Structure to fill with file stat
|
|
*
|
|
* @return NOFILE or READY
|
|
*/
|
|
ECardResult getStatus(const FileHandle& fh, CardStat& statOut) const;
|
|
|
|
/**
|
|
* @brief getStatus
|
|
*
|
|
* @param fileNo Number of requested file
|
|
* @param statOut Structure to fill with file stat
|
|
*
|
|
* @return NOFILE or READY
|
|
*/
|
|
ECardResult getStatus(uint32_t fileNo, CardStat& statOut) const;
|
|
|
|
/**
|
|
* @brief setStatus
|
|
*
|
|
* @param fh Handle of requested file
|
|
* @param stat Structure to access for file stat
|
|
*
|
|
* @return NOFILE or READY
|
|
*/
|
|
ECardResult setStatus(const FileHandle& fh, const CardStat& stat);
|
|
|
|
/**
|
|
* @brief setStatus
|
|
*
|
|
* @param fileNo Number of requested file
|
|
* @param stat Structure to access for file stat
|
|
*
|
|
* @return NOFILE or READY
|
|
*/
|
|
ECardResult setStatus(uint32_t fileNo, const CardStat& stat);
|
|
|
|
#if 0 // TODO: Async-friendly implementations
|
|
/**
|
|
* @brief Copies a file from the current Card instance to a specified Card instance
|
|
* @param fh The file to copy
|
|
* @param dest The destination Card instance
|
|
* @return True if successful, false otherwise
|
|
*/
|
|
bool copyFileTo(FileHandle& fh, Card& dest);
|
|
|
|
/**
|
|
* @brief moveFileTo
|
|
* @param fh
|
|
* @param dest
|
|
* @return
|
|
*/
|
|
bool moveFileTo(FileHandle& fh, Card& dest);
|
|
#endif
|
|
|
|
/**
|
|
* @brief Sets the current game, if not null any openFile requests will only return files that match this game
|
|
*
|
|
* @param game The target game id, e.g "GM8E"
|
|
*
|
|
* @sa openFile
|
|
*/
|
|
void setCurrentGame(const char* game);
|
|
|
|
/**
|
|
* @brief Returns the currently selected game.
|
|
*
|
|
* @return The selected game, or nullptr
|
|
*/
|
|
const uint8_t* getCurrentGame() const;
|
|
|
|
/**
|
|
* @brief Sets the current maker, if not null any openFile requests will only return files that match this maker.
|
|
*
|
|
* @param maker The target maker id, e.g "01".
|
|
*
|
|
* @sa openFile
|
|
*/
|
|
void setCurrentMaker(const char* maker);
|
|
|
|
/**
|
|
* @brief Returns the currently selected maker.
|
|
*
|
|
* @return The selected maker, or nullptr.
|
|
*/
|
|
const uint8_t* getCurrentMaker() const;
|
|
|
|
/**
|
|
* @brief Retrieves the format assigned serial.
|
|
*
|
|
* @param[out] serial Out reference that will contain the serial number.
|
|
*/
|
|
void getSerial(uint64_t& serial);
|
|
|
|
/**
|
|
* @brief Retrieves the checksum values of the Card system header.
|
|
*
|
|
* @param checksum The checksum of the system header.
|
|
* @param inverse The inverse checksum of the system header.
|
|
*/
|
|
void getChecksum(uint16_t& checksum, uint16_t& inverse) const;
|
|
|
|
/**
|
|
* @brief Retrieves the available storage and directory space.
|
|
*
|
|
* @param bytesNotUsed Number of free bytes out.
|
|
* @param filesNotUsed Number of free files out.
|
|
*/
|
|
void getFreeBlocks(int32_t& bytesNotUsed, int32_t& filesNotUsed) const;
|
|
|
|
/**
|
|
* @brief Formats the memory card and assigns a new serial.
|
|
*
|
|
* @param deviceId The slot to format.
|
|
* @param size The desired size of the file @sa ECardSize.
|
|
* @param encoding The desired encoding @sa EEncoding.
|
|
*/
|
|
void format(ECardSlot deviceId, ECardSize size = ECardSize::Card2043Mb, EEncoding encoding = EEncoding::ASCII);
|
|
|
|
/**
|
|
* @brief Returns basic stats about a card image without opening a handle.
|
|
*
|
|
* @return ProbeResults structure.
|
|
*/
|
|
static ProbeResults probeCardFile(std::string_view filename);
|
|
|
|
/**
|
|
* @brief Writes any changes to the Card instance immediately to disk. <br />
|
|
* <b>Note:</b> <i>Under normal circumstances there is no need to call this function.</i>
|
|
*/
|
|
void commit();
|
|
|
|
/**
|
|
* @brief Opens card image (does nothing if currently open path matches).
|
|
*/
|
|
bool open(std::string_view filepath);
|
|
|
|
/**
|
|
* @brief Commits changes to disk and closes host file.
|
|
*/
|
|
void close();
|
|
|
|
/**
|
|
* @brief Access host filename of card.
|
|
*
|
|
* @return A view to the card's filename.
|
|
*/
|
|
std::string_view cardFilename() const { return m_filename; }
|
|
|
|
/**
|
|
* @brief Gets card-scope error state.
|
|
*
|
|
* @return READY, BROKEN, or NOCARD
|
|
*/
|
|
ECardResult getError() const;
|
|
|
|
/**
|
|
* @brief Block caller until any asynchronous I/O operations have completed.
|
|
*/
|
|
void waitForCompletion() const;
|
|
|
|
/**
|
|
* @return Whether or not the card is within a ready state.
|
|
*/
|
|
explicit operator bool() const { return getError() == ECardResult::READY; }
|
|
};
|
|
} // namespace kabufuda
|