| 1 |
#include <types.h> |
| 2 |
#include <irx.h> |
| 3 |
#include <stdio.h> |
| 4 |
#include <sysclib.h> |
| 5 |
#include <sysmem.h> |
| 6 |
#include <iomanX.h> |
| 7 |
#include <sys/fcntl.h> |
| 8 |
#include <cdvdman.h> |
| 9 |
|
| 10 |
|
| 11 |
// Define this to enable debugging, will later support debugging levels, so only messages greater then a certain level will be displayed |
| 12 |
//#define DEBUG 8 |
| 13 |
//For release versions of uLE, DEBUG should not be defined |
| 14 |
//To avoid slowdown and size bloat |
| 15 |
|
| 16 |
// Define this to enable some basic profiling support, each function will display the time it took to run. |
| 17 |
// #define PROFILING |
| 18 |
|
| 19 |
|
| 20 |
// Misc defintions |
| 21 |
#define malloc( a ) AllocSysMemory( 0, ( a ), NULL ) |
| 22 |
#define free( a ) FreeSysMemory( ( a ) ) |
| 23 |
|
| 24 |
#define TRUE 1 |
| 25 |
#define FALSE 0 |
| 26 |
|
| 27 |
#define MAX_NAME 32 |
| 28 |
#define MAX_PATH 1024 |
| 29 |
|
| 30 |
|
| 31 |
// Vmcfs error definitions |
| 32 |
#define VMCFS_ERR_NO 0 |
| 33 |
#define VMCFS_ERR_INITIALIZED -1 |
| 34 |
#define VMCFS_ERR_VMC_OPEN -2 |
| 35 |
#define VMCFS_ERR_VMC_READ -3 |
| 36 |
#define VMCFS_ERR_CARD_TYPE -4 |
| 37 |
#define VMCFS_ERR_NOT_FORMATED -5 |
| 38 |
#define VMCFS_ERR_VMC_SIZE -6 |
| 39 |
#define VMCFS_ERR_NOT_MOUNT -7 |
| 40 |
#define VMCFS_ERR_MOUNT_BUSY -8 |
| 41 |
#define VMCFS_ERR_IMPLEMENTED -9 |
| 42 |
|
| 43 |
|
| 44 |
// The devctl commands: 0x56 == V, 0x4D == M, 0x43 == C, 0x01, 0x02, ... == command number. |
| 45 |
#define DEVCTL_VMCFS_CLEAN 0x564D4301 // Set as free all fat cluster corresponding to a none existing object. ( Object are just marked as none existing but not removed from fat table when rmdir or remove fonctions are call. This allow to recover a deleted file. ) |
| 46 |
#define DEVCTL_VMCFS_CKFREE 0x564D4302 // Check free space available on vmc. |
| 47 |
|
| 48 |
// The ioctl commands: 0x56 == V, 0x4D == M, 0x43 == C, 0x01, 0x02, ... == command number. |
| 49 |
#define IOCTL_VMCFS_RECOVER 0x564D4303 // Recover an object marked as none existing. ( data must be a valid path to an object in vmc file ) |
| 50 |
|
| 51 |
|
| 52 |
// Vmc format enum |
| 53 |
typedef enum { |
| 54 |
FORMAT_FULL, |
| 55 |
FORMAT_FAST |
| 56 |
} Vmc_Format_Enum; |
| 57 |
|
| 58 |
|
| 59 |
// Memorycard type definitions |
| 60 |
#define PSX_MEMORYCARD 0x1 |
| 61 |
#define PS2_MEMORYCARD 0x2 |
| 62 |
#define PDA_MEMORYCARD 0x3 |
| 63 |
|
| 64 |
// Directory Entry Mode Flags |
| 65 |
#define DF_READ 0x0001 // Read permission. |
| 66 |
#define DF_WRITE 0x0002 // Write permission. |
| 67 |
#define DF_EXECUTE 0x0004 // Execute permission. |
| 68 |
#define DF_PROTECTED 0x0008 // Directory is copy protected. |
| 69 |
#define DF_FILE 0x0010 // Regular file. |
| 70 |
#define DF_DIRECTORY 0x0020 // Directory. |
| 71 |
#define DF_040 0x0040 // Used internally to create directories. |
| 72 |
#define DF_080 0x0080 // Copied? |
| 73 |
#define DF_0100 0x0100 // - |
| 74 |
#define O_CREAT 0x0200 // Used to create files. |
| 75 |
#define DF_0400 0x0400 // Set when files and directories are created, otherwise ignored. |
| 76 |
#define DF_POCKETSTN 0x0800 // PocketStation application save file. |
| 77 |
#define DF_PSX 0x1000 // PlayStation save file. |
| 78 |
#define DF_HIDDEN 0x2000 // File is hidden. |
| 79 |
#define DF_04000 0x4000 // - |
| 80 |
#define DF_EXISTS 0x8000 // This entry is in use. If this flag is clear, then the file or directory has been deleted. |
| 81 |
|
| 82 |
|
| 83 |
// Cluster definitions |
| 84 |
#define MAX_CLUSTER_SIZE 0x400 |
| 85 |
|
| 86 |
#define ROOT_CLUSTER 0x00000000 |
| 87 |
#define FREE_CLUSTER 0x7FFFFFFF |
| 88 |
#define EOF_CLUSTER 0xFFFFFFFF |
| 89 |
#define ERROR_CLUSTER 0xFFFFFFFF |
| 90 |
#define NOFOUND_CLUSTER 0xFFFFFFFF |
| 91 |
#define MASK_CLUSTER 0x80000000 |
| 92 |
|
| 93 |
|
| 94 |
// The debugging functions, very very handy |
| 95 |
#ifdef DEBUG |
| 96 |
#define DEBUGPRINT( level, args... ) \ |
| 97 |
if( DEBUG >= level ) printf( args ) |
| 98 |
#else |
| 99 |
#define DEBUGPRINT( args... ) |
| 100 |
#endif |
| 101 |
|
| 102 |
|
| 103 |
// Used for timing functions, use this to optimize stuff |
| 104 |
#ifdef PROFILING |
| 105 |
void profilerStart( iop_sys_clock_t *iopclock ); |
| 106 |
void profilerEnd( const char *function, const char* name, iop_sys_clock_t *iopclock1 ); |
| 107 |
//This creates 2 variables with the names name1/name2, and starts the profiler |
| 108 |
#define PROF_START( name ) \ |
| 109 |
iop_sys_clock_t name;\ |
| 110 |
profilerStart( &name ); |
| 111 |
//this takes the 2 variable names and ends the profiler, printing the time taken |
| 112 |
#define PROF_END( name ) \ |
| 113 |
profilerEnd( __func__, #name, &name ); |
| 114 |
#else |
| 115 |
//define away the profiler functions |
| 116 |
#define PROF_START( args ) ; |
| 117 |
#define PROF_END( args ) ; |
| 118 |
#endif |
| 119 |
|
| 120 |
|
| 121 |
// Global Structures Defintions |
| 122 |
|
| 123 |
// General data struct shared by both files / folders that we have opened |
| 124 |
struct gen_privdata |
| 125 |
{ |
| 126 |
int fd; |
| 127 |
unsigned int indir_fat_clusters[ 32 ]; |
| 128 |
unsigned int first_allocatable; |
| 129 |
unsigned int last_allocatable; |
| 130 |
unsigned char dirent_page; |
| 131 |
}; |
| 132 |
|
| 133 |
// the structure used by files that we have opened |
| 134 |
struct file_privdata |
| 135 |
{ |
| 136 |
struct gen_privdata gendata; |
| 137 |
unsigned int file_startcluster; |
| 138 |
unsigned int file_length; |
| 139 |
unsigned int file_position; |
| 140 |
unsigned int file_cluster; |
| 141 |
unsigned int cluster_offset; |
| 142 |
unsigned int file_dirpage; |
| 143 |
}; |
| 144 |
|
| 145 |
// the structure used by directories that we have opened |
| 146 |
struct dir_privdata |
| 147 |
{ |
| 148 |
struct gen_privdata gendata; |
| 149 |
unsigned int dir_number; // first or second entry in the cluster? |
| 150 |
unsigned int dir_cluster; // what cluster we are currently reading directory entries from |
| 151 |
unsigned int dir_length; // the length of the directory |
| 152 |
}; |
| 153 |
|
| 154 |
// date / time descriptor |
| 155 |
typedef struct { |
| 156 |
unsigned char unused0; |
| 157 |
unsigned char sec; |
| 158 |
unsigned char min; |
| 159 |
unsigned char hour; |
| 160 |
unsigned char day; |
| 161 |
unsigned char month; |
| 162 |
unsigned short year; |
| 163 |
} vmc_datetime; |
| 164 |
|
| 165 |
// the structure of a directory entry |
| 166 |
struct direntry |
| 167 |
{ |
| 168 |
unsigned short mode; // See directory mode definitions. |
| 169 |
unsigned char unused0[ 2 ]; // - |
| 170 |
unsigned int length; // Length in bytes if a file, or entries if a directory. |
| 171 |
vmc_datetime created; // created time. |
| 172 |
unsigned int cluster; // First cluster of the file, or 0xFFFFFFFF for an empty file. In "." entries it's the first cluster of the parent directory relative to first_allocatable. |
| 173 |
unsigned int dir_entry; // Only in "." entries. Entry of this directory in its parent's directory. |
| 174 |
vmc_datetime modified; // Modification time. |
| 175 |
unsigned int attr; // User defined attribute. |
| 176 |
unsigned char unused1[ 28 ]; // - |
| 177 |
unsigned char name[ 32 ]; // Zero terminated name for this directory entry. |
| 178 |
unsigned char unused2[ 416 ]; // - |
| 179 |
}; |
| 180 |
|
| 181 |
// A structure containing all of the information about the superblock on a memory card. |
| 182 |
struct superblock |
| 183 |
{ |
| 184 |
unsigned char magic[ 40 ]; |
| 185 |
unsigned short page_size; |
| 186 |
unsigned short pages_per_cluster; |
| 187 |
unsigned short pages_per_block; |
| 188 |
unsigned short unused0; // always 0xFF00 |
| 189 |
unsigned int clusters_per_card; |
| 190 |
unsigned int first_allocatable; |
| 191 |
unsigned int last_allocatable; |
| 192 |
unsigned int root_cluster; // must be 0 |
| 193 |
unsigned int backup_block1; // 1023 |
| 194 |
unsigned int backup_block2; // 1024 |
| 195 |
unsigned char unused1[ 8 ]; // unused / who knows what it is |
| 196 |
unsigned int indir_fat_clusters[ 32 ]; |
| 197 |
unsigned int bad_block_list[ 32 ]; |
| 198 |
unsigned char mc_type; |
| 199 |
unsigned char mc_flag; |
| 200 |
unsigned short unused2; // zero |
| 201 |
unsigned int cluster_size; // 1024 always, 0x400 |
| 202 |
unsigned int unused3; // 0x100 |
| 203 |
unsigned int size_in_megs; // size in megabytes |
| 204 |
unsigned int unused4; // 0xffffffff |
| 205 |
unsigned char unused5[ 12 ]; // zero |
| 206 |
unsigned int max_used; // 97%of total clusters |
| 207 |
unsigned char unused6[ 8 ]; // zero |
| 208 |
unsigned int unused7; // 0xffffffff |
| 209 |
}; |
| 210 |
|
| 211 |
// General vmc image structure |
| 212 |
struct global_vmc |
| 213 |
{ |
| 214 |
int fd; // global descriptor |
| 215 |
struct superblock header; // superblock header |
| 216 |
int formated; // card is formated |
| 217 |
int ecc_flag; // ecc data found in vmc file |
| 218 |
unsigned int card_size; // vmc file size |
| 219 |
unsigned int total_pages; // total number of pages in the vmc file |
| 220 |
unsigned int cluster_size; // size in byte of a cluster |
| 221 |
unsigned short erase_byte; // erased blocks have all bits set to 0x0 or 0xFF |
| 222 |
unsigned int last_idc; // last indirect cluster |
| 223 |
unsigned int last_cluster; // last cluster |
| 224 |
unsigned int indirect_cluster[ MAX_CLUSTER_SIZE ]; // indirect fat cluster |
| 225 |
unsigned int fat_cluster[ MAX_CLUSTER_SIZE ]; // fat cluster |
| 226 |
unsigned int last_free_cluster; // adress of the last free cluster found when getting free cluster |
| 227 |
}; |
| 228 |
|
| 229 |
|
| 230 |
extern struct global_vmc g_Vmc_Image[ 2 ]; |
| 231 |
extern int g_Vmc_Format_Mode; |
| 232 |
extern int g_Vmc_Remove_Flag; |
| 233 |
extern int g_Vmc_Initialized; |
| 234 |
|
| 235 |
|
| 236 |
// vmc_fs.c |
| 237 |
int Vmc_Initialize ( iop_device_t * driver ); |
| 238 |
int Vmc_Deinitialize ( iop_device_t * driver ); |
| 239 |
|
| 240 |
// vmc_io.c |
| 241 |
int Vmc_Format ( iop_file_t *, const char *dev, const char *blockdev, void *arg, size_t arglen ); |
| 242 |
int Vmc_Open ( iop_file_t *f, const char *name, int flags, int mode ); |
| 243 |
int Vmc_Close ( iop_file_t* f ); |
| 244 |
int Vmc_Read ( iop_file_t* f, void* buffer, int size ); |
| 245 |
int Vmc_Write ( iop_file_t* f, void* buffer, int size ); |
| 246 |
int Vmc_Lseek ( iop_file_t* f, unsigned long offset, int whence ); |
| 247 |
int Vmc_Ioctl ( iop_file_t* f, unsigned long request, void* data ); |
| 248 |
int Vmc_Remove ( iop_file_t* f, const char* path ); |
| 249 |
int Vmc_Mkdir ( iop_file_t* f, const char* path1, int mode ); |
| 250 |
int Vmc_Rmdir ( iop_file_t* f, const char* path1 ); |
| 251 |
int Vmc_Dopen ( iop_file_t* f, const char* path ); |
| 252 |
int Vmc_Dclose ( iop_file_t* f ); |
| 253 |
int Vmc_Dread ( iop_file_t* f, iox_dirent_t *buf ); |
| 254 |
int Vmc_Getstat ( iop_file_t* f, const char* path, iox_stat_t * stat ); |
| 255 |
int Vmc_Chstat ( iop_file_t* f, const char* path, iox_stat_t * stat, unsigned int unknown ); |
| 256 |
int Vmc_Rename ( iop_file_t* f, const char* path, const char* new_name ); |
| 257 |
int Vmc_Chdir ( iop_file_t* f, const char* path ); |
| 258 |
int Vmc_Sync ( iop_file_t* f, const char* device, int flag ); |
| 259 |
int Vmc_Mount ( iop_file_t* f, const char* fsname, const char* devname, int flag, void *arg, unsigned int arg_len ); |
| 260 |
int Vmc_Umount ( iop_file_t* f, const char* fsname ); |
| 261 |
int Vmc_Lseek64 ( iop_file_t* f, long long offset, int whence ); |
| 262 |
int Vmc_Devctl ( iop_file_t* f, const char* path, int cmd, void *arg, unsigned int arglen, void *buf, unsigned int buflen ); |
| 263 |
int Vmc_Symlink ( iop_file_t* f, const char* old, const char* new ); |
| 264 |
int Vmc_Readlink ( iop_file_t* f, const char* path, char* buf, unsigned int buf_len ); |
| 265 |
int Vmc_Ioctl2 ( iop_file_t* f, int cmd, void *arg, unsigned int arglen, void *buf, unsigned int buflen ); |
| 266 |
int Vmc_Recover ( int unit, const char* path1 ); |
| 267 |
unsigned int Vmc_Checkfree ( int unit ); |
| 268 |
int Vmc_Clean ( int unit ); |
| 269 |
|
| 270 |
// mcfat.c |
| 271 |
typedef enum { |
| 272 |
FAT_VALUE, |
| 273 |
FAT_MASK |
| 274 |
} GetFat_Mode; |
| 275 |
|
| 276 |
typedef enum { |
| 277 |
FAT_RESET, |
| 278 |
FAT_SET |
| 279 |
} SetFat_Mode; |
| 280 |
|
| 281 |
unsigned int getFatEntry ( int fd, unsigned int cluster, unsigned int* indir_fat_clusters, GetFat_Mode Mode ); |
| 282 |
unsigned int setFatEntry ( int fd, unsigned int cluster, unsigned int value, unsigned int* indir_fat_clusters, SetFat_Mode Mode ); |
| 283 |
|
| 284 |
|
| 285 |
// ps2.c |
| 286 |
int eraseBlock ( int fd, unsigned int block ); |
| 287 |
int writePage ( int fd, unsigned char* page, unsigned int pagenum ); |
| 288 |
int writeCluster ( int fd, unsigned char* cluster, unsigned int clusternum ); |
| 289 |
int writeClusterPart ( int fd, unsigned char* cluster, unsigned int clusternum, int cluster_offset, int size ); |
| 290 |
int readPage ( int fd, unsigned char* page, unsigned int pagenum ); |
| 291 |
int readCluster ( int fd, unsigned char* cluster, unsigned int clusternum ); |
| 292 |
|
| 293 |
|
| 294 |
// misc.c |
| 295 |
unsigned int getDirentryFromPath ( struct direntry* retval, const char* path, struct gen_privdata* gendata, int unit ); |
| 296 |
unsigned int addObject ( struct gen_privdata* gendata, unsigned int parentcluster, struct direntry* parent, struct direntry* dirent, int unit ); |
| 297 |
void removeObject ( struct gen_privdata* gendata, unsigned int dirent_cluster, struct direntry* dirent, int unit ); |
| 298 |
unsigned int getFreeCluster ( struct gen_privdata* gendata, int unit ); |
| 299 |
int getPs2Time ( vmc_datetime* tm ); |
| 300 |
int setDefaultSpec ( int unit ); |
| 301 |
int buildECC ( int unit, char* Page_Data, char* ECC_Data ); |
