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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id:$
*
* Copyright (C) 2015 by Cástor Muñoz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __MK6GBOOT_H__
#define __MK6GBOOT_H__
/* useful for dualboot.lds */
#define DFU_LOADADDR 0x22000000
#define DFU_MAXSIZE 0x20000 /* maximum .dfu file size */
#define CERT_OFFSET 0x50 /* IM3INFO_SZ */
#define CERT_SIZE 698
#define BIN_OFFSET (CERT_OFFSET + ((CERT_SIZE + 0x3) & ~ 0x3))
#define MAX_PAYLOAD (DFU_MAXSIZE - BIN_OFFSET)
#ifndef ASM
#include <stddef.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define IM3_IDENT "8702"
#define IM3_VERSION "1.0"
#define IM3HDR_SZ 0x800
#define IM3INFO_SZ (sizeof(struct Im3Info))
#define IM3INFOSIGN_SZ (offsetof(struct Im3Info, info_sign))
#define SIGN_SZ 16
struct Im3Info
{
uint8_t ident[4];
uint8_t version[3];
uint8_t enc_type;
uint8_t entry[4]; /* LE */
uint8_t data_sz[4]; /* LE */
union {
struct {
uint8_t data_sign[SIGN_SZ];
uint8_t _reserved[32];
} enc12;
struct {
uint8_t sign_off[4]; /* LE */
uint8_t cert_off[4]; /* LE */
uint8_t cert_sz[4]; /* LE */
uint8_t _reserved[36];
} enc34;
} u;
uint8_t info_sign[SIGN_SZ];
} __attribute__ ((packed));
struct Im3Hdr
{
struct Im3Info info;
uint8_t _zero[IM3HDR_SZ - sizeof(struct Im3Info)];
} __attribute__ ((packed));
/* Supported models */
enum {
MODEL_UNKNOWN = -1,
MODEL_IPOD6G = 0,
/* new models go here */
NUM_MODELS
};
struct ipod_models {
/* Descriptive name of this model */
const char* model_name;
/* for bootloader uninstallers */
const char* platform_name;
/* Model name used in the Rockbox header in ".ipod" files - these match the
-add parameter to the "scramble" tool */
const char* rb_model_name;
/* Model number used to initialise the checksum in the Rockbox header in
".ipod" files - these are the same as MODEL_NUMBER in config-target.h */
const int rb_model_num;
/* Dualboot functions for this model */
const unsigned char* dualboot_install;
int dualboot_install_size;
const unsigned char* dualboot_uninstall;
int dualboot_uninstall_size;
};
extern const struct ipod_models ipod_identity[];
enum {
DFU_NONE = -1,
DFU_INST, /* RB installer */
DFU_INST_SINGLE, /* RB installer (single) */
DFU_UNINST, /* RB uninstaller */
DFU_RAW /* raw binary */
};
unsigned char *mkdfu(int dfu_type, char *dfu_arg, int* dfu_size,
char* errstr, int errstrsize);
int ipoddfu_send(int pid, unsigned char *buf, int size,
char* errstr, int errstrsize);
int ipoddfu_scan(int pid, int *state, int reset,
char* errstr, int errstrsize);
void ipoddfu_debug(int debug);
#ifdef __cplusplus
};
#endif
#endif /* ASM */
#endif /* __MK6GBOOT_H__ */
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