346423c040
A tool to install/uninstall a bootloader into a s5l8702 based device: - iPod Classic 6G - iPod Nano 3G (TODO) See mks5lboot/README for detailed info. Change-Id: I451d2aaff34509ebd356e4660647e5222c5d3409
129 lines
3.8 KiB
C
129 lines
3.8 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id:$
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*
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* Copyright (C) 2015 by Cástor Muñoz
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef __MK6GBOOT_H__
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#define __MK6GBOOT_H__
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/* useful for dualboot.lds */
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#define DFU_LOADADDR 0x22000000
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#define DFU_MAXSIZE 0x20000 /* maximum .dfu file size */
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#define CERT_OFFSET 0x50 /* IM3INFO_SZ */
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#define CERT_SIZE 698
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#define BIN_OFFSET (CERT_OFFSET + ((CERT_SIZE + 0x3) & ~ 0x3))
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#define MAX_PAYLOAD (DFU_MAXSIZE - BIN_OFFSET)
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#ifndef ASM
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#include <stddef.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define IM3_IDENT "8702"
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#define IM3_VERSION "1.0"
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#define IM3HDR_SZ 0x800
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#define IM3INFO_SZ (sizeof(struct Im3Info))
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#define IM3INFOSIGN_SZ (offsetof(struct Im3Info, info_sign))
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#define SIGN_SZ 16
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struct Im3Info
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{
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uint8_t ident[4];
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uint8_t version[3];
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uint8_t enc_type;
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uint8_t entry[4]; /* LE */
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uint8_t data_sz[4]; /* LE */
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union {
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struct {
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uint8_t data_sign[SIGN_SZ];
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uint8_t _reserved[32];
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} enc12;
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struct {
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uint8_t sign_off[4]; /* LE */
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uint8_t cert_off[4]; /* LE */
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uint8_t cert_sz[4]; /* LE */
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uint8_t _reserved[36];
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} enc34;
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} u;
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uint8_t info_sign[SIGN_SZ];
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} __attribute__ ((packed));
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struct Im3Hdr
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{
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struct Im3Info info;
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uint8_t _zero[IM3HDR_SZ - sizeof(struct Im3Info)];
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} __attribute__ ((packed));
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/* Supported models */
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enum {
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MODEL_UNKNOWN = -1,
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MODEL_IPOD6G = 0,
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/* new models go here */
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NUM_MODELS
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};
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struct ipod_models {
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/* Descriptive name of this model */
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const char* model_name;
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/* for bootloader uninstallers */
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const char* platform_name;
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/* Model name used in the Rockbox header in ".ipod" files - these match the
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-add parameter to the "scramble" tool */
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const char* rb_model_name;
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/* Model number used to initialise the checksum in the Rockbox header in
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".ipod" files - these are the same as MODEL_NUMBER in config-target.h */
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const int rb_model_num;
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/* Dualboot functions for this model */
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const unsigned char* dualboot_install;
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int dualboot_install_size;
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const unsigned char* dualboot_uninstall;
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int dualboot_uninstall_size;
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};
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extern const struct ipod_models ipod_identity[];
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enum {
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DFU_NONE = -1,
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DFU_INST, /* RB installer */
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DFU_INST_SINGLE, /* RB installer (single) */
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DFU_UNINST, /* RB uninstaller */
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DFU_RAW /* raw binary */
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};
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unsigned char *mkdfu(int dfu_type, char *dfu_arg, int* dfu_size,
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char* errstr, int errstrsize);
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int ipoddfu_send(int pid, unsigned char *buf, int size,
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char* errstr, int errstrsize);
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int ipoddfu_scan(int pid, int *state, int reset,
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char* errstr, int errstrsize);
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void ipoddfu_debug(int debug);
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#ifdef __cplusplus
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};
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#endif
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#endif /* ASM */
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#endif /* __MK6GBOOT_H__ */
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