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194 lines
5.6 KiB
C
194 lines
5.6 KiB
C
/*====================================================================
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* os_pfs.h
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*
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* Copyright 1995, Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,
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* Inc.; the contents of this file may not be disclosed to third
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* parties, copied or duplicated in any form, in whole or in part,
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* without the prior written permission of Silicon Graphics, Inc.
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*
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* RESTRICTED RIGHTS LEGEND:
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* Use, duplication or disclosure by the Government is subject to
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* restrictions as set forth in subdivision (c)(1)(ii) of the Rights
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* in Technical Data and Computer Software clause at DFARS
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* 252.227-7013, and/or in similar or successor clauses in the FAR,
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* DOD or NASA FAR Supplement. Unpublished - rights reserved under the
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* Copyright Laws of the United States.
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*====================================================================*/
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/*---------------------------------------------------------------------*
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Copyright (C) 1998 Nintendo. (Originated by SGI)
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$RCSfile: os_pfs.h,v $
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$Revision: 1.1 $
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$Date: 1998/10/09 08:01:16 $
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*---------------------------------------------------------------------*/
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#ifndef _OS_PFS_H_
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#define _OS_PFS_H_
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#ifdef _LANGUAGE_C_PLUS_PLUS
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extern "C" {
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#endif
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#include <PR/ultratypes.h>
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#include "os_message.h"
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#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
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/**************************************************************************
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*
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* Type definitions
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*
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*/
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/*
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* Structure for file system
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*/
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typedef struct {
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int status;
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OSMesgQueue *queue;
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int channel;
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u8 id[32];
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u8 label[32];
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int version;
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int dir_size;
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int inode_table; /* block location */
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int minode_table; /* mirrioring inode_table */
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int dir_table; /* block location */
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int inode_start_page; /* page # */
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u8 banks;
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u8 activebank;
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} OSPfs;
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typedef struct {
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u32 file_size; /* bytes */
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u32 game_code;
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u16 company_code;
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char ext_name[4];
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char game_name[16];
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} OSPfsState;
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#endif /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */
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/**************************************************************************
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*
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* Global definitions
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*
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*/
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/* File System size */
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#define OS_PFS_VERSION 0x0200
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#define OS_PFS_VERSION_HI (OS_PFS_VERSION >> 8)
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#define OS_PFS_VERSION_LO (OS_PFS_VERSION & 255)
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#define PFS_FILE_NAME_LEN 16
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#define PFS_FILE_EXT_LEN 4
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#define BLOCKSIZE 32 /* bytes */
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#define PFS_ONE_PAGE 8 /* blocks */
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#define PFS_MAX_BANKS 62
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/* File System flag */
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#define PFS_READ 0
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#define PFS_WRITE 1
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#define PFS_CREATE 2
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/* File System status */
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#define PFS_INITIALIZED 0x1
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#define PFS_CORRUPTED 0x2 /* File system was corrupted */
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#define PFS_ID_BROKEN 0x4
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#define PFS_MOTOR_INITIALIZED 0x8
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#define PFS_GBPAK_INITIALIZED 0x10
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/* File System error number */
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#define PFS_ERR_NOPACK 1 /* no memory card is plugged or */
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#define PFS_ERR_NEW_PACK 2 /* ram pack has been changed to a */
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/* different one */
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#define PFS_ERR_INCONSISTENT 3 /* need to run Pfschecker */
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#define PFS_ERR_CONTRFAIL CONT_OVERRUN_ERROR
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#define PFS_ERR_INVALID 5 /* invalid parameter or file not exist*/
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#define PFS_ERR_BAD_DATA 6 /* the data read from pack are bad*/
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#define PFS_DATA_FULL 7 /* no free pages on ram pack */
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#define PFS_DIR_FULL 8 /* no free directories on ram pack*/
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#define PFS_ERR_EXIST 9 /* file exists */
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#define PFS_ERR_ID_FATAL 10 /* dead ram pack */
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#define PFS_ERR_DEVICE 11 /* wrong device type*/
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#define PFS_ERR_NO_GBCART 12 /* no gb cartridge (64GB-PAK) */
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#define PFS_ERR_NEW_GBCART 13 /* gb cartridge may be changed */
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/* Definition for bank */
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#define PFS_ID_BANK_256K 0
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#define PFS_ID_BANK_1M 4
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#define PFS_BANKS_256K 1
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#define PFS_WRITTEN 2
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#define DEF_DIR_PAGES 2
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#define PFS_ID_0AREA 1
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#define PFS_ID_1AREA 3
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#define PFS_ID_2AREA 4
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#define PFS_ID_3AREA 6
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#define PFS_LABEL_AREA 7
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#define PFS_ID_PAGE PFS_ONE_PAGE * 0
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#define PFS_BANK_LAPPED_BY 8 /* => u8 */
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#define PFS_SECTOR_PER_BANK 32
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#define PFS_INODE_DIST_MAP (PFS_BANK_LAPPED_BY * PFS_SECTOR_PER_BANK)
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#define PFS_SECTOR_SIZE (PFS_INODE_SIZE_PER_PAGE/PFS_SECTOR_PER_BANK)
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#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
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/**************************************************************************
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*
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* Macro definitions
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*
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*/
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/**************************************************************************
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*
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* Extern variables
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*
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*/
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/**************************************************************************
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*
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* Function prototypes
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*
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*/
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/* file system interface */
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extern s32 osPfsInitPak(OSMesgQueue *, OSPfs *, int);
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extern s32 osPfsRepairId(OSPfs *);
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extern s32 osPfsInit(OSMesgQueue *, OSPfs *, int);
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extern s32 osPfsReFormat(OSPfs *, OSMesgQueue *, int);
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extern s32 osPfsChecker(OSPfs *);
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extern s32 osPfsAllocateFile(OSPfs *, u16, u32, u8 *, u8 *, int, s32 *);
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extern s32 osPfsFindFile(OSPfs *, u16, u32, u8 *, u8 *, s32 *);
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extern s32 osPfsDeleteFile(OSPfs *, u16, u32, u8 *, u8 *);
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extern s32 osPfsReadWriteFile(OSPfs *, s32, u8, int, int, u8 *);
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extern s32 osPfsFileState(OSPfs *, s32, OSPfsState *);
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extern s32 osPfsGetLabel(OSPfs *, u8 *, int *);
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extern s32 osPfsSetLabel(OSPfs *, u8 *);
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extern s32 osPfsIsPlug(OSMesgQueue *, u8 *);
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extern s32 osPfsFreeBlocks(OSPfs *, s32 *);
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extern s32 osPfsNumFiles(OSPfs *, s32 *, s32 *);
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#endif /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */
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#ifdef _LANGUAGE_C_PLUS_PLUS
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}
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#endif
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#endif /* !_OS_PFS_H_ */
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