rockbox/tools/ipodpatcher/ipodio.h

89 lines
2.5 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006-2007 Dave Chapman
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __IPODIO_H
#define __IPODIO_H
#include <stdint.h>
#ifdef __WIN32__
#include <windows.h>
#else
#define HANDLE int
#define O_BINARY 0
#endif
/* The maximum number of images in a firmware partition - a guess... */
#define MAX_IMAGES 10
enum firmwaretype_t {
FTYPE_OSOS = 0,
FTYPE_RSRC,
FTYPE_AUPD,
FTYPE_HIBE
};
struct ipod_directory_t {
enum firmwaretype_t ftype;
int id;
uint32_t devOffset; /* Offset of image relative to one sector into bootpart*/
uint32_t len;
uint32_t addr;
uint32_t entryOffset;
uint32_t chksum;
uint32_t vers;
uint32_t loadAddr;
};
struct partinfo_t {
unsigned long start; /* first sector (LBA) */
unsigned long size; /* number of sectors */
int type;
};
struct ipod_t {
HANDLE dh;
char diskname[4096];
int sector_size;
struct ipod_directory_t ipod_directory[MAX_IMAGES];
int nimages;
off_t diroffset;
off_t start; /* Offset in bytes of firmware partition from start of disk */
off_t fwoffset; /* Offset in bytes of start of firmware images from start of disk */
struct partinfo_t pinfo[4];
int modelnum;
char* modelname;
char* modelstr;
int macpod;
#ifdef WITH_BOOTOBJS
unsigned char* bootloader;
int bootloader_len;
#endif
};
void print_error(char* msg);
int ipod_open(struct ipod_t* ipod, int silent);
int ipod_reopen_rw(struct ipod_t* ipod);
int ipod_close(struct ipod_t* ipod);
int ipod_seek(struct ipod_t* ipod, unsigned long pos);
int ipod_read(struct ipod_t* ipod, unsigned char* buf, int nbytes);
int ipod_write(struct ipod_t* ipod, unsigned char* buf, int nbytes);
int ipod_alloc_buffer(unsigned char** sectorbuf, int bufsize);
#endif