Cástor Muñoz | 346423c | 2016-02-04 23:05:17 +0100 | [diff] [blame] | 1 | /*************************************************************************** |
| 2 | * __________ __ ___. |
| 3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| 4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| 5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| 6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| 7 | * \/ \/ \/ \/ \/ |
| 8 | * $Id:$ |
| 9 | * |
| 10 | * Copyright (C) 2015 by Cástor Muñoz |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or |
| 13 | * modify it under the terms of the GNU General Public License |
| 14 | * as published by the Free Software Foundation; either version 2 |
| 15 | * of the License, or (at your option) any later version. |
| 16 | * |
| 17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| 18 | * KIND, either express or implied. |
| 19 | * |
| 20 | ****************************************************************************/ |
| 21 | #ifndef __MK6GBOOT_H__ |
| 22 | #define __MK6GBOOT_H__ |
| 23 | |
| 24 | /* useful for dualboot.lds */ |
| 25 | #define DFU_LOADADDR 0x22000000 |
| 26 | #define DFU_MAXSIZE 0x20000 /* maximum .dfu file size */ |
| 27 | |
| 28 | #define CERT_OFFSET 0x50 /* IM3INFO_SZ */ |
| 29 | #define CERT_SIZE 698 |
| 30 | #define BIN_OFFSET (CERT_OFFSET + ((CERT_SIZE + 0x3) & ~ 0x3)) |
| 31 | #define MAX_PAYLOAD (DFU_MAXSIZE - BIN_OFFSET) |
| 32 | |
| 33 | #ifndef ASM |
| 34 | #include <stddef.h> |
| 35 | #include <stdint.h> |
| 36 | |
| 37 | #ifdef __cplusplus |
| 38 | extern "C" { |
| 39 | #endif |
| 40 | |
| 41 | #define IM3_IDENT "8702" |
| 42 | #define IM3_VERSION "1.0" |
| 43 | #define IM3HDR_SZ 0x800 |
| 44 | #define IM3INFO_SZ (sizeof(struct Im3Info)) |
| 45 | #define IM3INFOSIGN_SZ (offsetof(struct Im3Info, info_sign)) |
| 46 | |
| 47 | #define SIGN_SZ 16 |
| 48 | |
| 49 | struct Im3Info |
| 50 | { |
| 51 | uint8_t ident[4]; |
| 52 | uint8_t version[3]; |
| 53 | uint8_t enc_type; |
| 54 | uint8_t entry[4]; /* LE */ |
| 55 | uint8_t data_sz[4]; /* LE */ |
| 56 | union { |
| 57 | struct { |
| 58 | uint8_t data_sign[SIGN_SZ]; |
| 59 | uint8_t _reserved[32]; |
| 60 | } enc12; |
| 61 | struct { |
| 62 | uint8_t sign_off[4]; /* LE */ |
| 63 | uint8_t cert_off[4]; /* LE */ |
| 64 | uint8_t cert_sz[4]; /* LE */ |
| 65 | uint8_t _reserved[36]; |
| 66 | } enc34; |
| 67 | } u; |
| 68 | uint8_t info_sign[SIGN_SZ]; |
| 69 | } __attribute__ ((packed)); |
| 70 | |
| 71 | struct Im3Hdr |
| 72 | { |
| 73 | struct Im3Info info; |
| 74 | uint8_t _zero[IM3HDR_SZ - sizeof(struct Im3Info)]; |
| 75 | } __attribute__ ((packed)); |
| 76 | |
| 77 | |
| 78 | /* Supported models */ |
| 79 | enum { |
| 80 | MODEL_UNKNOWN = -1, |
| 81 | MODEL_IPOD6G = 0, |
| 82 | /* new models go here */ |
| 83 | |
| 84 | NUM_MODELS |
| 85 | }; |
| 86 | |
| 87 | struct ipod_models { |
| 88 | /* Descriptive name of this model */ |
| 89 | const char* model_name; |
| 90 | /* for bootloader uninstallers */ |
| 91 | const char* platform_name; |
| 92 | /* Model name used in the Rockbox header in ".ipod" files - these match the |
| 93 | -add parameter to the "scramble" tool */ |
| 94 | const char* rb_model_name; |
| 95 | /* Model number used to initialise the checksum in the Rockbox header in |
| 96 | ".ipod" files - these are the same as MODEL_NUMBER in config-target.h */ |
| 97 | const int rb_model_num; |
| 98 | /* Dualboot functions for this model */ |
| 99 | const unsigned char* dualboot_install; |
| 100 | int dualboot_install_size; |
| 101 | const unsigned char* dualboot_uninstall; |
| 102 | int dualboot_uninstall_size; |
| 103 | }; |
| 104 | extern const struct ipod_models ipod_identity[]; |
| 105 | |
| 106 | |
| 107 | enum { |
| 108 | DFU_NONE = -1, |
| 109 | DFU_INST, /* RB installer */ |
| 110 | DFU_INST_SINGLE, /* RB installer (single) */ |
| 111 | DFU_UNINST, /* RB uninstaller */ |
| 112 | DFU_RAW /* raw binary */ |
| 113 | }; |
| 114 | |
| 115 | unsigned char *mkdfu(int dfu_type, char *dfu_arg, int* dfu_size, |
| 116 | char* errstr, int errstrsize); |
| 117 | |
| 118 | int ipoddfu_send(int pid, unsigned char *buf, int size, |
| 119 | char* errstr, int errstrsize); |
| 120 | int ipoddfu_scan(int pid, int *state, int reset, |
| 121 | char* errstr, int errstrsize); |
| 122 | void ipoddfu_debug(int debug); |
| 123 | |
| 124 | #ifdef __cplusplus |
| 125 | }; |
| 126 | #endif |
| 127 | #endif /* ASM */ |
| 128 | |
| 129 | #endif /* __MK6GBOOT_H__ */ |