From e8c71aa40c3287a7c4a1f0e73fe2bb0eb8985441 Mon Sep 17 00:00:00 2001 From: Maurus Cuelenaere Date: Sun, 16 Aug 2009 20:39:00 +0000 Subject: Rockbox Utility: add preliminary support for installing the bootloader (+ dual boot) on ChinaChip targets git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22356 a1c6a512-1295-4272-9138-f99709370657 --- rbutil/chinachippatcher/Makefile | 10 ++ rbutil/chinachippatcher/chinachip.c | 310 ++++++++++++++++++++++++++++++++++++ rbutil/chinachippatcher/chinachip.h | 39 +++++ 3 files changed, 359 insertions(+) create mode 100644 rbutil/chinachippatcher/Makefile create mode 100644 rbutil/chinachippatcher/chinachip.c create mode 100644 rbutil/chinachippatcher/chinachip.h (limited to 'rbutil/chinachippatcher') diff --git a/rbutil/chinachippatcher/Makefile b/rbutil/chinachippatcher/Makefile new file mode 100644 index 0000000000..e19052a006 --- /dev/null +++ b/rbutil/chinachippatcher/Makefile @@ -0,0 +1,10 @@ +CFLAGS=-g -Wall -DSTANDALONE +CC=gcc + +all: chinachip + +chinachip: chinachip.c + $(CC) $(CFLAGS) -o $@ $^ + +clean: + rm -f chinachip diff --git a/rbutil/chinachippatcher/chinachip.c b/rbutil/chinachippatcher/chinachip.c new file mode 100644 index 0000000000..e7d4095b38 --- /dev/null +++ b/rbutil/chinachippatcher/chinachip.c @@ -0,0 +1,310 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2009 by Maurus Cuelenaere + * + * 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. + * + ****************************************************************************/ +#include +#include +#include +#include +#include +#include +#include +#include "chinachip.h" + +/* From http://www.rockbox.org/wiki/ChinaChip */ +struct header +{ + uint32_t signature; /* WADF */ + uint32_t unk; + int8_t timestamp[12]; /* 200805081100 */ + uint32_t size; + uint32_t checksum; + uint32_t unk2; + int8_t identifier[32]; /* Chinachip PMP firmware V1.0 */ +} __attribute__ ((packed)); + +static inline void int2le(unsigned char* addr, unsigned int val) +{ + addr[0] = val & 0xff; + addr[1] = (val >> 8) & 0xff; + addr[2] = (val >> 16) & 0xff; + addr[3] = (val >> 24) & 0xff; +} + +static inline unsigned int le2int(unsigned char* buf) +{ + return (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0]; +} + +static long int filesize(FILE* fd) +{ + long int len; + fseek(fd, 0, SEEK_END); + len = ftell(fd); + fseek(fd, 0, SEEK_SET); + return len; +} + +#ifdef STANDALONE +#define ERR(fmt, ...) err(userdata, "[ERR] "fmt"\n", ##__VA_ARGS__) +#define INFO(fmt, ...) info(userdata, "[INFO] "fmt"\n", ##__VA_ARGS__) +#define tr(x) x +#else +#define ERR(fmt, ...) err(userdata, fmt, ##__VA_ARGS__) +#define INFO(fmt, ...) info(userdata, fmt, ##__VA_ARGS__) +#endif +#define FCLOSE(fd) fclose(fd); fd = NULL; +#define CCPMPBIN_HEADER_SIZE (sizeof(uint32_t)*2 + sizeof(uint8_t) + 9) +#define TOTAL_SIZE (fsize + CCPMPBIN_HEADER_SIZE + bsize) +int chinachip_patch(const char* firmware, const char* bootloader, + const char* output, const char* ccpmp_backup, + void (*info)(void*, char*, ...), + void (*err)(void*, char*, ...), + void* userdata) +{ + char header_time[13]; + time_t cur_time; + struct tm* time_info; + unsigned char* buf = NULL; + FILE *fd = NULL, *bd = NULL, *od = NULL; + unsigned int ccpmp_size = 0, i, fsize, bsize; + signed int checksum = 0, ccpmp_pos; + + fd = fopen(firmware, "rb"); + if(!fd) + { + ERR("Can't open file %s!", firmware); + goto err; + } + bd = fopen(bootloader, "rb"); + if(!bd) + { + ERR("Can't open file %s!", bootloader); + goto err; + } + + bsize = filesize(bd); + INFO("Bootloader size is %d bytes", bsize); + FCLOSE(bd); + + fsize = filesize(fd); + INFO("Firmware size is %d bytes", fsize); + + buf = malloc(TOTAL_SIZE); + if(buf == NULL) + { + ERR("Can't allocate %d bytes!", fsize); + goto err; + } + memset(buf, 0, TOTAL_SIZE); + + INFO("Reading %s into memory...", firmware); + if(fread(buf, fsize, 1, fd) != 1) + { + ERR("Can't read file %s to memory!", firmware); + goto err; + } + FCLOSE(fd); + + if(memcmp(buf, "WADF", 4)) + { + ERR("File %s isn't a valid ChinaChip firmware!", firmware); + goto err; + } + + ccpmp_pos = -1, i = 0x40; + do + { + int filenamesize = le2int(&buf[i]); + i += sizeof(uint32_t); + + if(!strncmp((char*) &buf[i], "ccpmp.bin", 9)) + { + ccpmp_pos = i; + ccpmp_size = le2int(&buf[i + sizeof(uint8_t) + filenamesize]); + } + else + i += filenamesize + le2int(&buf[i + sizeof(uint8_t) + filenamesize]) + + sizeof(uint32_t) + sizeof(uint8_t); + } while(ccpmp_pos < 0 && i < fsize); + + if(i >= fsize) + { + ERR("Couldn't find ccpmp.bin in %s!", firmware); + goto err; + } + INFO("Found ccpmp.bin at %d bytes", ccpmp_pos); + + if(ccpmp_backup) + { + bd = fopen(ccpmp_backup, "wb"); + if(!bd) + { + ERR("Can't open file %s!", ccpmp_backup); + goto err; + } + + INFO("Writing %d bytes to %s...", ccpmp_size, ccpmp_backup); + if(fwrite(&buf[ccpmp_pos], ccpmp_size, 1, bd) != 1) + { + ERR("Can't write to file %s!", ccpmp_backup); + goto err; + } + FCLOSE(bd); + } + + INFO("Renaming it to ccpmp.old..."); + buf[ccpmp_pos + 6] = 'o'; + buf[ccpmp_pos + 7] = 'l'; + buf[ccpmp_pos + 8] = 'd'; + + bd = fopen(bootloader, "rb"); + if(!bd) + { + ERR("Can't open file %s!", bootloader); + goto err; + } + + /* Also include path size */ + ccpmp_pos -= sizeof(uint32_t); + + INFO("Making place for ccpmp.bin..."); + memmove(&buf[ccpmp_pos + bsize + CCPMPBIN_HEADER_SIZE], + &buf[ccpmp_pos], fsize - ccpmp_pos); + + INFO("Reading %s into memory...", bootloader); + if(fread(&buf[ccpmp_pos + CCPMPBIN_HEADER_SIZE], + bsize, 1, bd) != 1) + { + ERR("Can't read file %s to memory!", bootloader); + goto err; + } + FCLOSE(bd); + + INFO("Adding header to %s...", bootloader); + int2le(&buf[ccpmp_pos ], 9); /* Pathname Size */ + memcpy(&buf[ccpmp_pos + 4 ], "ccpmp.bin", 9); /* Pathname */ + memset(&buf[ccpmp_pos + 4 + 9 ], 0x20, sizeof(uint8_t)); /* File Type */ + int2le(&buf[ccpmp_pos + 4 + 9 + 1], bsize); /* File Size */ + + time(&cur_time); + time_info = localtime(&cur_time); + if(time_info == NULL) + { + ERR("Can't obtain current time!"); + goto err; + } + + snprintf(header_time, 13, "%04d%02d%02d%02d%02d", time_info->tm_year + 1900, + time_info->tm_mon, + time_info->tm_mday, + time_info->tm_hour, + time_info->tm_min); + + INFO("Computing checksum..."); + for(i = sizeof(struct header); i < TOTAL_SIZE; i+=4) + checksum += le2int(&buf[i]); + + INFO("Updating main header..."); + memcpy(&buf[offsetof(struct header, timestamp)], header_time, 12); + int2le(&buf[offsetof(struct header, size) ], TOTAL_SIZE); + int2le(&buf[offsetof(struct header, checksum) ], checksum); + + od = fopen(output, "wb"); + if(!od) + { + ERR("Can't open file %s!", output); + goto err; + } + + INFO("Writing output to %s...", output); + if(fwrite(buf, TOTAL_SIZE, 1, od) != 1) + { + ERR("Can't write to file %s!", output); + goto err; + } + fclose(od); + free(buf); + + return 0; + +err: + if(buf) + free(buf); + if(fd) + fclose(fd); + if(bd) + fclose(bd); + if(od) + fclose(od); + + return -1; +} + + +#ifdef STANDALONE + +#define VERSION "0.1" +#define PRINT(fmt, ...) fprintf(stderr, fmt"\n", ##__VA_ARGS__) + +static void info(void* userdata, char* fmt, ...) +{ + (void)userdata; + va_list args; + va_start(args, fmt); + vfprintf(stderr, fmt, args); + va_end(args); +} + +static void err(void* userdata, char* fmt, ...) +{ + (void)userdata; + va_list args; + va_start(args, fmt); + vfprintf(stderr, fmt, args); + va_end(args); +} + +void usage(char* name) +{ + PRINT("Usage:"); + PRINT(" %s [backup]", name); + PRINT("\nExample:"); + PRINT(" %s VX747.HXF bootloader.bin output.HXF ccpmp.bak", name); + PRINT(" This will copy ccpmp.bin in VX747.HXF as ccpmp.old and replace it" + " with bootloader.bin, the output will get written to output.HXF." + " The old ccpmp.bin will get written to ccpmp.bak."); +} + +int main(int argc, char* argv[]) +{ + PRINT("ChinaChipPatcher v" VERSION " - (C) Maurus Cuelenaere 2009"); + PRINT("This is free software; see the source for copying conditions. There is NO"); + PRINT("warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"); + + if(argc < 4) + { + usage(argv[0]); + return 1; + } + + return chinachip_patch(argv[1], argv[2], argv[3], argc > 4 ? argv[4] : NULL, + &info, &err, NULL); +} +#endif diff --git a/rbutil/chinachippatcher/chinachip.h b/rbutil/chinachippatcher/chinachip.h new file mode 100644 index 0000000000..2f8ba9e18a --- /dev/null +++ b/rbutil/chinachippatcher/chinachip.h @@ -0,0 +1,39 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2009 by Maurus Cuelenaere + * + * 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 __INCLUDE_CHINACHIP_H_ +#define __INCLUDE_CHINACHIP_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +int chinachip_patch(const char* firmware, const char* bootloader, + const char* output, const char* ccpmp_backup, + void (*info)(void*, char*, ...), + void (*err)(void*, char*, ...), + void* userdata); + +#ifdef __cplusplus +} +#endif + +#endif /* __INCLUDE_CHINACHIP_H_ */ -- cgit v1.2.3