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#ifndef ULTRA64_PFS_H
#define ULTRA64_PFS_H
#include "message.h"
/* File System size */
#define OS_PFS_VERSION 0x0200
#define OS_PFS_VERSION_HI (OS_PFS_VERSION >> 8)
#define OS_PFS_VERSION_LO (OS_PFS_VERSION & 255)
#define PFS_INODE_SIZE_PER_PAGE 128
#define PFS_FILE_NAME_LEN 16
#define PFS_FILE_EXT_LEN 4
#define BLOCKSIZE 32
#define PFS_ONE_PAGE 8
#define PFS_MAX_BANKS 62
/* File System flag */
#define PFS_READ 0
#define PFS_WRITE 1
#define PFS_CREATE 2
/* File System status */
#define PFS_INITIALIZED 0x1
#define PFS_CORRUPTED 0x2
#define PFS_ID_BROKEN 0x4
#define PFS_MOTOR_INITIALIZED 0x8
#define PFS_GBPAK_INITIALIZED 0x10
/* Definition for page usage */
#define PFS_EOF 1
#define PFS_PAGE_NOT_EXIST 2
#define PFS_PAGE_NOT_USED 3
/* File System error number */
#define PFS_ERR_NOPACK 1 /* no memory card is plugged or */
#define PFS_ERR_NEW_PACK 2 /* ram pack has been changed to a different one */
#define PFS_ERR_INCONSISTENT 3 /* need to run Pfschecker*/
#define PFS_ERR_CONTRFAIL CONT_OVERRUN_ERROR
#define PFS_ERR_INVALID 5 /* invalid parameter or file not exist*/
#define PFS_ERR_BAD_DATA 6 /* the data read from pack are bad*/
#define PFS_DATA_FULL 7 /* no free pages on ram pack*/
#define PFS_DIR_FULL 8 /* no free directories on ram pack*/
#define PFS_ERR_EXIST 9 /* file exists*/
#define PFS_ERR_ID_FATAL 10 /* dead ram pack */
#define PFS_ERR_DEVICE 11 /* wrong device type*/
#define PFS_ERR_NO_GBCART 12 /* no gb cartridge (64GB-PAK) */
#define PFS_ERR_NEW_GBCART 13 /* gb cartridge may be changed */
/* Definition for bank */
#define PFS_ID_BANK_256K 0
#define PFS_ID_BANK_1M 4
#define PFS_BANKS_256K 1
#define PFS_WRITTEN 2
#define DEF_DIR_PAGES 2
#define PFS_ID_0AREA 1
#define PFS_ID_1AREA 3
#define PFS_ID_2AREA 4
#define PFS_ID_3AREA 6
#define PFS_LABEL_AREA 7
#define PFS_ID_PAGE PFS_ONE_PAGE * 0
#define PFS_BANK_LAPPED_BY 8 /* => u8 */
#define PFS_SECTOR_PER_BANK 32
#define PFS_INODE_DIST_MAP (PFS_BANK_LAPPED_BY * PFS_SECTOR_PER_BANK)
#define PFS_SECTOR_SIZE (PFS_INODE_SIZE_PER_PAGE/PFS_SECTOR_PER_BANK)
typedef struct OSPfs {
/* 0x00 */ s32 status;
/* 0x04 */ OSMesgQueue* queue;
/* 0x08 */ s32 channel;
/* 0x0C */ u8 id[32];
/* 0x2C */ u8 label[32];
/* 0x4C */ s32 version;
/* 0x50 */ s32 dir_size;
/* 0x54 */ s32 inode_table; /* block location */
/* 0x58 */ s32 minode_table; /* mirroring inode_table */
/* 0x5C */ s32 dir_table; /* block location */
/* 0x60 */ s32 inodeStartPage; /* page # */
/* 0x64 */ u8 banks;
/* 0x65 */ u8 activebank;
} OSPfs; // size = 0x68
typedef struct OSPfsState {
/* 0x00 */ u32 file_size; /* bytes */
/* 0x04 */ u32 game_code;
/* 0x08 */ u16 company_code;
/* 0x0C */ char ext_name[4];
/* 0x10 */ char game_name[16];
} OSPfsState; // size = 0x20
typedef union __OSInodeUnit {
struct {
/* 0x00 */ u8 bank;
/* 0x01 */ u8 page;
} inode_t;
/* 0x00 */ u16 ipage;
} __OSInodeUnit; // size = 0x02
typedef struct __OSInode {
/* 0x00 */ __OSInodeUnit inodePage[128];
} __OSInode; // size = 0x100
typedef struct __OSDir {
/* 0x00 */ u32 game_code;
/* 0x04 */ u16 company_code;
/* 0x06 */ __OSInodeUnit start_page;
/* 0x08 */ u8 status;
/* 0x09 */ s8 reserved;
/* 0x0A */ u16 data_sum;
/* 0x0C */ u8 ext_name[PFS_FILE_EXT_LEN];
/* 0x10 */ u8 game_name[PFS_FILE_NAME_LEN];
} __OSDir; // size = 0x20
typedef struct __OSPackId {
/* 0x00 */ u32 repaired;
/* 0x04 */ u32 random;
/* 0x08 */ u64 serialMid;
/* 0x10 */ u64 serialLow;
/* 0x18 */ u16 deviceid;
/* 0x1A */ u8 banks;
/* 0x1B */ u8 version;
/* 0x1C */ u16 checksum;
/* 0x1E */ u16 invertedChecksum;
} __OSPackId; // size = 0x20
typedef struct __OSInodeCache {
/* 0x000 */ __OSInode inode;
/* 0x100 */ u8 bank;
/* 0x101 */ u8 map[PFS_INODE_DIST_MAP];
} __OSInodeCache; // size = 0x202
#endif
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