modules/mcemu/mcemu.h

   1 /*
   2    Copyright 2006-2008, Romz
   3    Copyright 2010, Polo
   4    Licenced under Academic Free License version 3.0
   5    Review OpenUsbLd README & LICENSE files for further details.
   6    */
   7
   8 #ifndef _MCEMU_H_
   9 #define _MCEMU_H_
  10
  11 #include <ioman.h>
  12 #include <intrman.h>
  13 #include <loadcore.h>
  14 #include <sifcmd.h>
  15 #include <sifman.h>
  16 #include <stdio.h>
  17 #include <sysclib.h>
  18 #include <sysmem.h>
  19 #include <thbase.h>
  20 #include <thsemap.h>
  21 #include <iopmgr.h>
  22 #include <dmacman.h>
  23
  24 #include "mcemu_utils.h"
  25
  26 #define MODNAME "mcemu"
  27
  28 // debug output is handled elsewhere
  29 #ifdef DEBUG
  30 #define DPRINTF(format, args...)        \
  31         printf(MODNAME ": " format, ## args)
  32 #else
  33 #define DPRINTF(format, args...)        \
  34         do {} while (0)
  35 #endif
  36
  37 /* mcemu.c */
  38
  39 /* type for a pointer to the SECRMAN's entry SecrAuthCard */
  40 typedef int (*PtrSecrAuthCard)(int port, int slot, int cnum);
  41
  42 /* type for a pointer to LOADCORE's entry  RegisterLibraryEntires */
  43 typedef int (*PtrRegisterLibraryEntires)(iop_library_t *lib);
  44
  45 typedef int (*PtrMcIo)(int fd, void *buf, int nbyte);
  46
  47 /* SIO2 Packet for SIO2MAN calls */
  48 typedef
  49 struct _Sio2Packet
  50 {
  51         u32   iostatus;
  52         u32   data1[4];
  53         u32   data2[4];
  54         u32   data3;
  55         u32   ctrl[16];
  56         u32   data4;
  57         u32   pwr_len;
  58         u32   prd_len;
  59         void *pwr_buf;
  60         void *prd_buf;
  61         void *wrmaddr;
  62         u32   wrwords;
  63         u32   wrcount;
  64         void *rdmaddr;
  65         u32   rdwords;
  66         u32   rdcount;
  67 } Sio2Packet;
  68
  69 /* Apa partitions informations */
  70 typedef struct {
  71         u32 start;
  72         u32 length;
  73 } apa_parts;
  74
  75 /* Block number/count pair (used in inodes) */
  76 typedef struct {
  77         u32 number;
  78         u16 subpart;
  79         u16 count;
  80 } pfs_blocks;
  81
  82 /* Memory Card Spec (do not change this structure) */
  83 typedef
  84 struct _McSpec
  85 {
  86         u16 PageSize; /* Page size in bytes (user data only) */
  87         u16 BlockSize; /* Block size in pages */
  88         u32 CardSize; /* Total number of pages */
  89 } McSpec;
  90
  91 /* Virtual Memory Card Image File Spec */
  92 typedef
  93 struct _McImageSpec
  94 {
  95         int        active;     /* Activation flag */
  96
  97 #ifdef USB_DRIVER
  98         u32        stsec;      /* Vmc file start sector */
  99 #endif
 100
 101 #ifdef HDD_DRIVER
 102         apa_parts  parts[5];   /* Vmc file Apa partitions */
 103         pfs_blocks blocks[10]; /* Vmc file Pfs inode blocks */
 104 #endif
 105
 106 #ifdef SMB_DRIVER
 107         char       fname[32];  /* Vmc file name (memorycard?.bin) */
 108         u16        fid;        /* SMB Vmc file id */
 109 #endif
 110
 111         int        flags;      /* Memory Card Flags */
 112         McSpec     cspec;      /* Memory Card Spec */
 113 } McImageSpec;
 114
 115 /* Descriptor for a virtual memory card */
 116 typedef
 117 struct _MemoryCard
 118 {
 119         int    mcnum; /* Memory Card Number (-1 if inactive) */
 120         int    rpage; /* Read page index */
 121         int    rdoff; /* Read offset in rpage */
 122         int    wpage; /* Write page index */
 123         int    wroff; /* Write offset in wpage */
 124         u8    *dbufp; /* Pointer to a user-data buffer */
 125         u8    *cbufp; /* Pointer to a ECC buffer */
 126         int    rcoff; /* Read ECC offset */
 127         int    wcoff; /* Write ECC offset */
 128         int    tcode; /* Termination code */
 129         McSpec cspec; /* Memory Card Spec */
 130         int    flags; /* Memory Card Flags */
 131 } MemoryCard;
 132
 133 /* type for a pointer to SIO2MAN's entries */
 134 typedef void (*Sio2McProc)(Sio2Packet *arg);
 135
 136 int      DummySecrAuthCard(int port, int slot, int cnum);
 137 void     Sio2McEmu(Sio2Packet *sd);
 138
 139 int      hookSecrAuthCard(int port, int slot, int cnum);
 140 void     hookSio2man25(Sio2Packet *sd);
 141 void     hookSio2man51(Sio2Packet *sd);
 142 u32     *hookSio2man67();
 143 void     hookSio2man(Sio2Packet *sd, Sio2McProc sio2proc);
 144 int      hookRegisterLibraryEntires(iop_library_t *lib);
 145
 146 void     InstallSecrmanHook(void *exp);
 147 void     InstallSio2manHook(void *exp);
 148 void     InstallMcmanHook(void *exp);
 149
 150 void     SioResponse(MemoryCard *mcd, void *buf, int length);
 151 int      MceEraseBlock(MemoryCard *mcd, int page);
 152 int      MceStartRead(MemoryCard *mcd, int page);
 153 int      MceStartWrite(MemoryCard *mcd, int page);
 154 int      MceRead(MemoryCard *mcd, void *buf, u32 size);
 155 int      MceWrite(MemoryCard *mcd, void *buf, u32 size);
 156
 157 /* mcemu_io.c */
 158
 159 int      mc_configure(MemoryCard *mcs);
 160 int      mc_read(int mc_num, void *buf, u32 page_num);
 161 int      mc_write(int mc_num, void *buf, u32 page_num);
 162
 163
 164
 165 /* mcemu_rpc.c */
 166
 167 /* EE RPC id for libmc calls */
 168 #define LIBMC_RPCNO                        0x80000400
 169
 170 /* size of RPC buffer */
 171 #define LIBMC_RPC_BUFFER_SIZE              0x80
 172
 173 int      hookMcman62();
 174 int      hookMcman63(int fd, u32 eeaddr, int nbyte);
 175 int      hookMcman68(int fd, u32 eeaddr, int nbyte);
 176
 177
 178
 179 /* mcemu_sys.c */
 180
 181 void    *GetExportTable(char *libname, int version);
 182 u32      GetExportTableSize(void *table);
 183 void    *GetExportEntry(void *table, u32 entry);
 184 void    *HookExportEntry(void *table, u32 entry, void *func);
 185
 186 void    *_SysAlloc(u64 size);
 187 int      _SysFree(void *area);
 188
 189 int      GetInt(void *ptr);
 190 u32      CalculateEDC(u8 *buf, u32 size);
 191 void     CalculateECC(u8 *buf, void *chk);
 192
 193 #ifdef HDD_DRIVER
 194 u32      Mcpage_to_Apasector(int mc_num, u32 mc_page);
 195 #endif
 196
 197 /* mcemu_var.c */
 198
 199 #define MCEMU_PORTS              2
 200
 201 extern const u8                  xortable[256];
 202
 203 extern PtrSecrAuthCard           pSecrAuthCard[MCEMU_PORTS];
 204 extern McImageSpec               vmcSpec[MCEMU_PORTS];
 205 extern MemoryCard                memcards[MCEMU_PORTS];
 206 extern void                     *pFastBuf;
 207
 208 extern PtrRegisterLibraryEntires pRegisterLibraryEntires;
 209 extern Sio2McProc                pSio2man25, pSio2man51;
 210 extern void                     (*pSio2man67)();
 211
 212 extern u8                        mceccbuf[MCEMU_PORTS][0x20];
 213 extern u8                        mcdatabuf[0x200];
 214
 215 extern SifRpcClientData_t       *pClientData;
 216 extern void                     *pFastRpcBuf;
 217
 218 extern PtrMcIo                   pMcRead, pMcWrite;
 219
 220 #endif //_MCEMU_H_