/*---------------------------------------------------------------------------* Project: CTR - for RTFS File: attach.c 2006 Nintendo. *---------------------------------------------------------------------------*/ #include #include #include /* For included devices */ #include "drdefault.h" /* default driver */ /*---------------------------------------------------------------------------* global変数 *---------------------------------------------------------------------------*/ BOOLEAN rtfs_first_attach = TRUE; //attach APIがまだ未使用ならTRUE //attachされてからDEVCTL_CHECKSTATUSが呼ばれてなければ1 int rtfs_first_stat_flag[26] ={ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }; /*---------------------------------------------------------------------------* extern変数 *---------------------------------------------------------------------------*/ extern int enabled_drivers; extern DDRIVE* current_pdr; extern int auto_format_disk(DDRIVE *pdr, byte *drivename); extern void drno_to_string(byte *pname, int drno); extern DDRIVE* pc_drno_to_drive_struct(int driveno); extern void print_device_names(void); /*---------------------------------------------------------------------------* extern関数 *---------------------------------------------------------------------------*/ /*-------------- ctr modified(new function) -------------*/ //extern BOOLEAN i_rtfs_begin_attach( void); extern BOOLEAN i_rtfs_attach( int driveno, DDRIVE* pdr, char* dev_name); extern BOOLEAN i_rtfs_end_attach( void); /*-------------------------------------------------------*/ /*---------------------------------------------------------------------------* static関数 *---------------------------------------------------------------------------*/ static void i_rtfsInit( DDRIVE* pdr); static int i_rtfs_close_disk( int driveno); /*---------------------------------------------------------------------------* Name: rtfs_attach Description: Arguments: driveno : ドライブ番号 Returns: *---------------------------------------------------------------------------*/ BOOLEAN rtfs_attach( int driveno, DDRIVE* pdr, char* dev_name) { DDRIVE *target_pdr; // osTPrintf( "original attach\n"); if( rtfs_first_attach) { //最初のattachだった場合 rtfs_init();//i_rtfs_begin_attach(); rtfs_first_attach = FALSE; } /*アタッチする構造体を選択*/ target_pdr = pc_drno_to_drive_struct( driveno); if( target_pdr == 0) { /*未登録なら新しい構造体へ*/ // osTPrintf( "target_pdr = current_pdr\n"); target_pdr = current_pdr; }else{ /* if( target_pdr->dev_table_drive_io == pdr->dev_table_drive_io) { return( TRUE); //自分自身ならスルー }*/ if(( target_pdr->dev_table_drive_io != defaultRtfsIo)&& ( target_pdr->dev_table_drive_io != NULL)){ return( FALSE); /*default以外のドライバがattach済みならエラー*/ } } if (++enabled_drivers > prtfs_cfg->cfg_NDRIVES) { // osTPrintf( "%s : too many drives attached - "); // osTPrintf( "%d / %d\n", enabled_drivers, prtfs_cfg->cfg_NDRIVES); return( FALSE); } target_pdr->driveno = driveno; target_pdr->dev_table_drive_io = pdr->dev_table_drive_io; target_pdr->dev_table_perform_device_ioctl = pdr->dev_table_perform_device_ioctl; rtfs_strcpy(target_pdr->device_name, (byte *)dev_name); target_pdr->register_file_address = pdr->register_file_address; target_pdr->interrupt_number = pdr->interrupt_number; target_pdr->drive_flags = pdr->drive_flags | DRIVE_FLAGS_REMOVABLE | DRIVE_FLAGS_INSERTED; target_pdr->partition_number = pdr->partition_number; target_pdr->pcmcia_slot_number = pdr->pcmcia_slot_number; target_pdr->controller_number = pdr->controller_number; target_pdr->logical_unit_number = pdr->logical_unit_number; rtfs_first_stat_flag[driveno] = 1; /* 初回DEVCTL_CHECKSTATUSフラグON */ i_rtfsInit( target_pdr); /**/ if( target_pdr == current_pdr) { current_pdr++; } return( TRUE); } /**/ static void i_rtfsInit( DDRIVE* pdr) { byte drname[8]; /* Temp buffer for displaying drive letters as strings */ /* WARMSTART */ if( pdr->dev_table_drive_io) { prtfs_cfg->drno_to_dr_map[pdr->driveno] = pdr; /* MAPS DRIVE structure to DRIVE: */ if (pdr->dev_table_perform_device_ioctl(pdr->driveno, DEVCTL_WARMSTART, (void *) 0) != 0) { prtfs_cfg->drno_to_dr_map[pdr->driveno] = 0; /* It is not there. */ /* so forget it */ } #if (INCLUDE_FAILSAFE_CODE) /* Call the the ertfs pro failsafe autoinit function */ if (pdr->drive_flags&DRIVE_FLAGS_FAILSAFE) { if (!pro_failsafe_auto_init(pdr)) //マニュアル参照 { prtfs_cfg->drno_to_dr_map[pdr->driveno] = 0; /* Forget it, not there. */ } } #endif /* Set the default drive to the lowest assigned drive letter */ prtfs_cfg->default_drive_id = pdr->driveno; } /* autoformatting ram devices */ if ( pdr->drive_flags&DRIVE_FLAGS_VALID && pdr->drive_flags&DRIVE_FLAGS_FORMAT) { OS_CLAIM_LOGDRIVE(pdr->driveno) /* Autoformat Register drive in use */ drno_to_string(drname, pdr->driveno); // RTFS_PRINT_STRING_2(USTRING_RTFSINIT_07, drname,0); /* "Autoformatting Drive Id - " */ #if (STORE_DEVICE_NAMES_IN_DRIVE_STRUCT) // RTFS_PRINT_STRING_2(USTRING_RTFSINIT_08, pdr->device_name,PRFLG_NL); /* " as Device: " */ #endif if (auto_format_disk(pdr, drname) != 0) { // RTFS_PRINT_STRING_2(USTRING_RTFSINIT_09, drname,PRFLG_NL); /* "Autoformatting Drive Id - \n" */ } OS_RELEASE_LOGDRIVE(pdr->driveno) /* Autoformat release */ } } /*---------------------------------------------------------------------------* Name: rtfs_detach Description: Arguments: driveno : ドライブ番号 Returns: *---------------------------------------------------------------------------*/ BOOLEAN rtfs_detach( int driveno) { DDRIVE *target_pdr; // osTPrintf( "original detach\n"); target_pdr = pc_drno_to_drive_struct( driveno); if( target_pdr == 0) { return( FALSE); //未割り当てなのでdetachの必要なし }else{ if( (target_pdr->dev_table_drive_io == defaultRtfsIo) || (target_pdr->dev_table_drive_io == NULL)) { return( FALSE); //既にdetach済み } } /*open中のファイルを全てcloseする*/ i_rtfs_close_disk( driveno); --enabled_drivers; target_pdr->driveno = driveno; target_pdr->dev_table_drive_io = defaultRtfsIo; target_pdr->dev_table_perform_device_ioctl = defaultRtfsCtrl; rtfs_strcpy(target_pdr->device_name, (byte *)"DEFAULT\0"); //STORE_DEVICE_NAME(dev_name) target_pdr->register_file_address = 0; target_pdr->interrupt_number = 0; target_pdr->drive_flags = 0; target_pdr->partition_number = 0; target_pdr->pcmcia_slot_number = 0; target_pdr->controller_number = 0; target_pdr->logical_unit_number = 0; /*REMOVE扱い*/ target_pdr->drive_flags |= DRIVE_FLAGS_REMOVABLE; target_pdr->drive_flags &= ~DRIVE_FLAGS_INSERTED; return( TRUE); } /*---------------------------------------------------------------------------* Name: i_rtfs_close_disk Description: 指定ドライブでopen中のファイルを全てcloseする Arguments: driveno : ドライブ番号 Returns: *---------------------------------------------------------------------------*/ static int i_rtfs_close_disk( int driveno) { PC_FILE *pfile; PCFD i; DROBJ *pobj; int ret_val = 0; rtfs_set_errno(0); /* clear errno */ pfile = prtfs_cfg->mem_file_pool; for (i=0;iis_free) == FALSE) //open中か？ { if( !pfile->pobj) {//PECLOSEDエラーに相当(pc_fd2file参照) OS_CLAIM_FSCRITICAL() pfile->is_free = TRUE; OS_RELEASE_FSCRITICAL() }else{ //正常にopen中 if( (pfile->pobj->pdrive->driveno) == driveno) { #if (RTFS_WRITE) if (pfile->flag & ( PO_RDWR | PO_WRONLY ) ) { if (!_po_flush(pfile)) { /* _po_flush has set errno */ ret_val = -1; } } #endif /* Release the FD and its core */ //pc_freefile( pfile); apifilio.c内のstatic関数なので以下に展開 OS_CLAIM_FSCRITICAL() pobj = pfile->pobj; pfile->is_free = TRUE; OS_RELEASE_FSCRITICAL() pc_freeobj(pobj); } } } } if (!release_drive_mount_write(driveno)) {/* Release lock, unmount if aborted */ return (-1); } return( ret_val); }