buld images for the Ubiquiti LiteStation and NanoStation ported from http://atheros.openwrt.net. Tested on a Nanostation 2 with airos 3
SVN-Revision: 11061master
Travis Kemen
17 years ago
parent
31a3a503cc
commit
3612b1e7c0
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/*
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* * Copyright (C) 2007 Ubiquiti Networks, Inc. |
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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 as |
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* * published by the Free Software Foundation; either version 2 of the |
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* * License, or (at your option) any later version. |
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* * |
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* * This program is distributed in the hope that it will be useful, but |
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* * WITHOUT ANY WARRANTY; without even the implied warranty of |
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* * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* * General Public License for more details. |
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* * |
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* * You should have received a copy of the GNU General Public License |
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* * along with this program; if not, write to the Free Software |
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* * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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* */ |
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#ifndef FW_INCLUDED |
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#define FW_INCLUDED |
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#include <sys/types.h> |
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#define MAGIC_HEADER "OPEN" |
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#define MAGIC_PART "PART" |
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#define MAGIC_END "END." |
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#define MAGIC_LENGTH 4 |
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typedef struct header { |
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char magic[MAGIC_LENGTH]; |
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char version[256]; |
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u_int32_t crc; |
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u_int32_t pad; |
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} __attribute__ ((packed)) header_t; |
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typedef struct part { |
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char magic[MAGIC_LENGTH]; |
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char name[16]; |
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char pad[12]; |
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u_int32_t memaddr; |
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u_int32_t index; |
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u_int32_t baseaddr; |
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u_int32_t entryaddr; |
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u_int32_t data_size; |
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u_int32_t part_size; |
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} __attribute__ ((packed)) part_t; |
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typedef struct part_crc { |
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u_int32_t crc; |
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u_int32_t pad; |
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} __attribute__ ((packed)) part_crc_t; |
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typedef struct signature { |
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char magic[MAGIC_LENGTH]; |
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u_int32_t crc; |
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u_int32_t pad; |
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} __attribute__ ((packed)) signature_t; |
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#define VERSION "1.2" |
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#define INFO(...) fprintf(stdout, __VA_ARGS__) |
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#define ERROR(...) fprintf(stderr, "ERROR: "__VA_ARGS__) |
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#define WARN(...) fprintf(stderr, "WARN: "__VA_ARGS__) |
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#define DEBUG(...) do {\ |
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if (debug) \
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fprintf(stdout, "DEBUG: "__VA_ARGS__); \
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} while (0); |
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#endif |
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@ -0,0 +1,394 @@ |
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/*
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* Copyright (C) 2007 Ubiquiti Networks, Inc. |
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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 as |
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* published by the Free Software Foundation; either version 2 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <fcntl.h> |
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#include <unistd.h> |
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#include <string.h> |
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#include <errno.h> |
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#include <zlib.h> |
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#include <sys/mman.h> |
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#include <netinet/in.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <limits.h> |
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#include "fw.h" |
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typedef struct part_data { |
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char partition_name[64]; |
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int partition_index; |
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u_int32_t partition_baseaddr; |
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u_int32_t partition_memaddr; |
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u_int32_t partition_entryaddr; |
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u_int32_t partition_length; |
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char filename[PATH_MAX]; |
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struct stat stats; |
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} part_data_t; |
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#define MAX_SECTIONS 8 |
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#define DEFAULT_OUTPUT_FILE "firmware-image.bin" |
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#define DEFAULT_VERSION "UNKNOWN" |
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#define OPTIONS "hv:o:i:" |
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static int debug = 0; |
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typedef struct image_info { |
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char version[256]; |
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char outputfile[PATH_MAX]; |
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u_int32_t part_count; |
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part_data_t parts[MAX_SECTIONS];
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} image_info_t; |
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static void write_header(void* mem, const char* version) |
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{ |
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header_t* header = mem; |
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memset(header, 0, sizeof(header_t)); |
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memcpy(header->magic, MAGIC_HEADER, MAGIC_LENGTH); |
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strncpy(header->version, version, sizeof(header->version)); |
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header->crc = htonl(crc32(0L, (unsigned char *)header, |
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sizeof(header_t) - 2 * sizeof(u_int32_t))); |
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header->pad = 0L; |
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} |
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static void write_signature(void* mem, u_int32_t sig_offset) |
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{ |
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/* write signature */ |
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signature_t* sign = (signature_t*)(mem + sig_offset); |
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memset(sign, 0, sizeof(signature_t)); |
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memcpy(sign->magic, MAGIC_END, MAGIC_LENGTH); |
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sign->crc = htonl(crc32(0L,(unsigned char *)mem, sig_offset)); |
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sign->pad = 0L; |
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} |
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static int write_part(void* mem, part_data_t* d) |
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{ |
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char* addr; |
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int fd; |
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part_t* p = mem; |
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part_crc_t* crc = mem + sizeof(part_t) + d->stats.st_size; |
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fd = open(d->filename, O_RDONLY); |
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if (fd < 0) |
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{ |
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ERROR("Failed opening file '%s'\n", d->filename); |
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return -1; |
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} |
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if ((addr=(char*)mmap(0, d->stats.st_size, PROT_READ, MAP_SHARED, fd, 0)) == MAP_FAILED) |
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{ |
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ERROR("Failed mmaping memory for file '%s'\n", d->filename); |
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close(fd); |
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return -2; |
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} |
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memcpy(mem + sizeof(part_t), addr, d->stats.st_size); |
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munmap(addr, d->stats.st_size); |
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memset(p->name, 0, sizeof(p->name)); |
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strncpy(p->magic, MAGIC_PART, MAGIC_LENGTH); |
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strncpy(p->name, d->partition_name, sizeof(p->name)); |
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p->index = htonl(d->partition_index); |
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p->data_size = htonl(d->stats.st_size); |
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p->part_size = htonl(d->partition_length); |
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p->baseaddr = htonl(d->partition_baseaddr); |
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p->memaddr = htonl(d->partition_memaddr); |
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p->entryaddr = htonl(d->partition_entryaddr); |
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crc->crc = htonl(crc32(0L, mem, d->stats.st_size + sizeof(part_t))); |
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crc->pad = 0L; |
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return 0; |
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} |
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static void usage(const char* progname) |
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{ |
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INFO("Version %s\n" |
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"Usage: %s [options]\n" |
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"\t-v <version string>\t - firmware version information, default: %s\n" |
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"\t-o <output file>\t - firmware output file, default: %s\n" |
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"\t-i <input file>\t\t - firmware layout file, default: none\n" |
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"\t-h\t\t\t - this help\n", VERSION, |
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progname, DEFAULT_VERSION, DEFAULT_OUTPUT_FILE); |
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} |
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static void print_image_info(const image_info_t* im) |
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{ |
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int i = 0; |
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INFO("Firmware version: '%s'\n" |
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"Output file: '%s'\n" |
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"Part count: %u\n", |
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im->version, im->outputfile, |
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im->part_count); |
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for (i = 0; i < im->part_count; ++i) |
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{ |
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const part_data_t* d = &im->parts[i]; |
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INFO(" %10s: %8ld bytes (free: %8ld)\n", |
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d->partition_name, |
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d->stats.st_size, |
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d->partition_length - d->stats.st_size); |
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} |
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} |
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/**
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* Image layout file format: |
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* |
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* <partition name>\t<partition index>\t<partition size>\t<data file name> |
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* |
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*/ |
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static int parse_image_layout(const char* layoutfile, image_info_t* im) |
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{ |
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int fd = 0; |
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char line[1028]; |
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FILE* f; |
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im->part_count = 0; |
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fd = open(layoutfile, O_RDONLY); |
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if (fd < 0) { |
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ERROR("Could not open file '%s'\n", layoutfile); |
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return -1; |
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} |
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f = fdopen(fd, "r"); |
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if (f == NULL) { |
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close(fd); |
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return -2; |
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} |
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while (!feof(f)) |
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{ |
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char name[32]; |
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u_int32_t index; |
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u_int32_t baseaddr; |
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u_int32_t size; |
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u_int32_t memaddr; |
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u_int32_t entryaddr; |
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char file[PATH_MAX]; |
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u_int32_t c; |
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part_data_t* d; |
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if (fgets(line, sizeof(line), f) == NULL) |
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break; |
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// TODO: very inconvenient format, use smarter parsing someday
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if ((c = sscanf(line, "%32[^\t]\t%X\t%X\t%X\t%X\t%X\t%128[^\t\n]", name, &index, &baseaddr, &size, &memaddr, &entryaddr, file)) != 7) |
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continue; |
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DEBUG("%s\t\t0x%02X\t0x%08X\t0x%08X\t0x%08X\t0x%08X\t%s\n", name, index, baseaddr, size, memaddr, entryaddr, file); |
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c = im->part_count; |
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if (c == MAX_SECTIONS) |
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break; |
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d = &im->parts[c]; |
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strncpy(d->partition_name, name, sizeof(d->partition_name)); |
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d->partition_index = index; |
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d->partition_baseaddr = baseaddr; |
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d->partition_length = size; |
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d->partition_memaddr = memaddr; |
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d->partition_entryaddr = entryaddr; |
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strncpy(d->filename, file, sizeof(d->filename)); |
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im->part_count++; |
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} |
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fclose(f); |
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return 0; |
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} |
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/**
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* Checks the availability and validity of all image components.
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* Fills in stats member of the part_data structure. |
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*/ |
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static int validate_image_layout(image_info_t* im) |
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{ |
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int i; |
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if (im->part_count == 0 || im->part_count > MAX_SECTIONS) |
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{ |
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ERROR("Invalid part count '%d'\n", im->part_count); |
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return -1; |
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} |
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for (i = 0; i < im->part_count; ++i) |
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{ |
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part_data_t* d = &im->parts[i]; |
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int len = strlen(d->partition_name); |
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if (len == 0 || len > 16) |
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{ |
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ERROR("Invalid partition name '%s' of the part %d\n", |
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d->partition_name, i); |
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return -1; |
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} |
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if (stat(d->filename, &d->stats) < 0) |
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{ |
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ERROR("Couldn't stat file '%s' from part '%s'\n", |
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d->filename, d->partition_name); |
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return -2; |
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} |
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if (d->stats.st_size == 0) |
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{ |
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ERROR("File '%s' from part '%s' is empty!\n", |
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d->filename, d->partition_name); |
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return -3; |
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} |
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if (d->stats.st_size > d->partition_length) { |
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ERROR("File '%s' too big (%d) - max size: 0x%08X (exceeds %lu bytes)\n", |
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d->filename, i, d->partition_length,
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d->stats.st_size - d->partition_length); |
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return -4; |
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} |
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} |
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return 0; |
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} |
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static int build_image(image_info_t* im) |
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{ |
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char* mem; |
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char* ptr; |
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u_int32_t mem_size; |
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FILE* f; |
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int i; |
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// build in-memory buffer
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mem_size = sizeof(header_t) + sizeof(signature_t); |
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for (i = 0; i < im->part_count; ++i) |
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{ |
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part_data_t* d = &im->parts[i]; |
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mem_size += sizeof(part_t) + d->stats.st_size + sizeof(part_crc_t); |
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} |
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mem = (char*)calloc(mem_size, 1); |
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if (mem == NULL) |
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{ |
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ERROR("Cannot allocate memory chunk of size '%u'\n", mem_size); |
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return -1; |
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} |
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// write header
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write_header(mem, im->version); |
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ptr = mem + sizeof(header_t); |
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// write all parts
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for (i = 0; i < im->part_count; ++i) |
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{ |
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part_data_t* d = &im->parts[i]; |
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int rc; |
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if ((rc = write_part(ptr, d)) != 0) |
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{ |
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ERROR("ERROR: failed writing part %u '%s'\n", i, d->partition_name); |
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} |
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ptr += sizeof(part_t) + d->stats.st_size + sizeof(part_crc_t); |
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} |
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// write signature
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write_signature(mem, mem_size - sizeof(signature_t)); |
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// write in-memory buffer into file
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if ((f = fopen(im->outputfile, "w")) == NULL) |
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{ |
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ERROR("Can not create output file: '%s'\n", im->outputfile); |
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return -10; |
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} |
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if (fwrite(mem, mem_size, 1, f) != 1) |
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{ |
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ERROR("Could not write %d bytes into file: '%s'\n",
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mem_size, im->outputfile); |
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return -11; |
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} |
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free(mem); |
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fclose(f); |
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return 0; |
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} |
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int main(int argc, char* argv[]) |
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{ |
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char inputfile[PATH_MAX]; |
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int o, rc; |
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image_info_t im; |
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memset(&im, 0, sizeof(im)); |
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memset(inputfile, 0, sizeof(inputfile)); |
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strcpy(im.outputfile, DEFAULT_OUTPUT_FILE); |
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strcpy(im.version, DEFAULT_VERSION); |
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while ((o = getopt(argc, argv, OPTIONS)) != -1) |
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{ |
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switch (o) { |
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case 'v': |
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if (optarg) |
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strncpy(im.version, optarg, sizeof(im.version)); |
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break; |
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case 'o': |
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if (optarg) |
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strncpy(im.outputfile, optarg, sizeof(im.outputfile)); |
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break; |
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case 'i': |
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if (optarg) |
||||||
|
strncpy(inputfile, optarg, sizeof(inputfile)); |
||||||
|
break; |
||||||
|
case 'h': |
||||||
|
usage(argv[0]); |
||||||
|
return -1; |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
if (strlen(inputfile) == 0) |
||||||
|
{ |
||||||
|
ERROR("Input file is not specified, cannot continue\n"); |
||||||
|
usage(argv[0]); |
||||||
|
return -2; |
||||||
|
} |
||||||
|
|
||||||
|
if ((rc = parse_image_layout(inputfile, &im)) != 0) |
||||||
|
{ |
||||||
|
ERROR("Failed parsing firmware layout file '%s' - error code: %d\n",
|
||||||
|
inputfile, rc); |
||||||
|
return -3; |
||||||
|
} |
||||||
|
|
||||||
|
if ((rc = validate_image_layout(&im)) != 0) |
||||||
|
{ |
||||||
|
ERROR("Failed validating firmware layout - error code: %d\n", rc); |
||||||
|
return -4; |
||||||
|
} |
||||||
|
|
||||||
|
print_image_info(&im); |
||||||
|
|
||||||
|
if ((rc = build_image(&im)) != 0) |
||||||
|
{ |
||||||
|
ERROR("Failed building image file '%s' - error code: %d\n", im.outputfile, rc); |
||||||
|
return -5; |
||||||
|
} |
||||||
|
|
||||||
|
return 0; |
||||||
|
} |
||||||
Loading…
Reference in new issue