From 4f5fd629a391c1a9fb05fc6002c5cfad735a1f43 Mon Sep 17 00:00:00 2001 From: thepeople Date: Wed, 7 May 2008 23:47:17 +0000 Subject: buld images for the Ubiquiti LiteStation and NanoStation ported from http://atheros.openwrt.net. Tested on a Nanostation 2 with airos 3 git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11061 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- tools/firmware-utils/src/fw.h | 70 +++++++ tools/firmware-utils/src/mkfwimage.c | 394 +++++++++++++++++++++++++++++++++++ 2 files changed, 464 insertions(+) create mode 100644 tools/firmware-utils/src/fw.h create mode 100644 tools/firmware-utils/src/mkfwimage.c (limited to 'tools/firmware-utils/src') diff --git a/tools/firmware-utils/src/fw.h b/tools/firmware-utils/src/fw.h new file mode 100644 index 0000000000..e37859c52d --- /dev/null +++ b/tools/firmware-utils/src/fw.h @@ -0,0 +1,70 @@ +/* + * * Copyright (C) 2007 Ubiquiti Networks, Inc. + * * + * * 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 program is distributed in the hope that it will be useful, but + * * WITHOUT ANY WARRANTY; without even the implied warranty of + * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * * General Public License for more details. + * * + * * You should have received a copy of the GNU General Public License + * * along with this program; if not, write to the Free Software + * * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * */ + +#ifndef FW_INCLUDED +#define FW_INCLUDED + +#include + +#define MAGIC_HEADER "OPEN" +#define MAGIC_PART "PART" +#define MAGIC_END "END." + +#define MAGIC_LENGTH 4 + +typedef struct header { + char magic[MAGIC_LENGTH]; + char version[256]; + u_int32_t crc; + u_int32_t pad; +} __attribute__ ((packed)) header_t; + +typedef struct part { + char magic[MAGIC_LENGTH]; + char name[16]; + char pad[12]; + u_int32_t memaddr; + u_int32_t index; + u_int32_t baseaddr; + u_int32_t entryaddr; + u_int32_t data_size; + u_int32_t part_size; +} __attribute__ ((packed)) part_t; + +typedef struct part_crc { + u_int32_t crc; + u_int32_t pad; +} __attribute__ ((packed)) part_crc_t; + +typedef struct signature { + char magic[MAGIC_LENGTH]; + u_int32_t crc; + u_int32_t pad; +} __attribute__ ((packed)) signature_t; + +#define VERSION "1.2" + +#define INFO(...) fprintf(stdout, __VA_ARGS__) +#define ERROR(...) fprintf(stderr, "ERROR: "__VA_ARGS__) +#define WARN(...) fprintf(stderr, "WARN: "__VA_ARGS__) +#define DEBUG(...) do {\ + if (debug) \ + fprintf(stdout, "DEBUG: "__VA_ARGS__); \ +} while (0); + +#endif diff --git a/tools/firmware-utils/src/mkfwimage.c b/tools/firmware-utils/src/mkfwimage.c new file mode 100644 index 0000000000..372a0b5932 --- /dev/null +++ b/tools/firmware-utils/src/mkfwimage.c @@ -0,0 +1,394 @@ +/* + * Copyright (C) 2007 Ubiquiti Networks, Inc. + * + * 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 program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "fw.h" + +typedef struct part_data { + char partition_name[64]; + int partition_index; + u_int32_t partition_baseaddr; + u_int32_t partition_memaddr; + u_int32_t partition_entryaddr; + u_int32_t partition_length; + + char filename[PATH_MAX]; + struct stat stats; +} part_data_t; + +#define MAX_SECTIONS 8 +#define DEFAULT_OUTPUT_FILE "firmware-image.bin" +#define DEFAULT_VERSION "UNKNOWN" + +#define OPTIONS "hv:o:i:" + +static int debug = 0; + +typedef struct image_info { + char version[256]; + char outputfile[PATH_MAX]; + u_int32_t part_count; + part_data_t parts[MAX_SECTIONS]; +} image_info_t; + +static void write_header(void* mem, const char* version) +{ + header_t* header = mem; + memset(header, 0, sizeof(header_t)); + + memcpy(header->magic, MAGIC_HEADER, MAGIC_LENGTH); + strncpy(header->version, version, sizeof(header->version)); + header->crc = htonl(crc32(0L, (unsigned char *)header, + sizeof(header_t) - 2 * sizeof(u_int32_t))); + header->pad = 0L; +} + + +static void write_signature(void* mem, u_int32_t sig_offset) +{ + /* write signature */ + signature_t* sign = (signature_t*)(mem + sig_offset); + memset(sign, 0, sizeof(signature_t)); + + memcpy(sign->magic, MAGIC_END, MAGIC_LENGTH); + sign->crc = htonl(crc32(0L,(unsigned char *)mem, sig_offset)); + sign->pad = 0L; +} + +static int write_part(void* mem, part_data_t* d) +{ + char* addr; + int fd; + part_t* p = mem; + part_crc_t* crc = mem + sizeof(part_t) + d->stats.st_size; + + fd = open(d->filename, O_RDONLY); + if (fd < 0) + { + ERROR("Failed opening file '%s'\n", d->filename); + return -1; + } + + if ((addr=(char*)mmap(0, d->stats.st_size, PROT_READ, MAP_SHARED, fd, 0)) == MAP_FAILED) + { + ERROR("Failed mmaping memory for file '%s'\n", d->filename); + close(fd); + return -2; + } + + memcpy(mem + sizeof(part_t), addr, d->stats.st_size); + munmap(addr, d->stats.st_size); + + memset(p->name, 0, sizeof(p->name)); + strncpy(p->magic, MAGIC_PART, MAGIC_LENGTH); + strncpy(p->name, d->partition_name, sizeof(p->name)); + p->index = htonl(d->partition_index); + p->data_size = htonl(d->stats.st_size); + p->part_size = htonl(d->partition_length); + p->baseaddr = htonl(d->partition_baseaddr); + p->memaddr = htonl(d->partition_memaddr); + p->entryaddr = htonl(d->partition_entryaddr); + + crc->crc = htonl(crc32(0L, mem, d->stats.st_size + sizeof(part_t))); + crc->pad = 0L; + + return 0; +} + +static void usage(const char* progname) +{ + INFO("Version %s\n" + "Usage: %s [options]\n" + "\t-v \t - firmware version information, default: %s\n" + "\t-o \t - firmware output file, default: %s\n" + "\t-i \t\t - firmware layout file, default: none\n" + "\t-h\t\t\t - this help\n", VERSION, + progname, DEFAULT_VERSION, DEFAULT_OUTPUT_FILE); +} + +static void print_image_info(const image_info_t* im) +{ + int i = 0; + INFO("Firmware version: '%s'\n" + "Output file: '%s'\n" + "Part count: %u\n", + im->version, im->outputfile, + im->part_count); + + for (i = 0; i < im->part_count; ++i) + { + const part_data_t* d = &im->parts[i]; + INFO(" %10s: %8ld bytes (free: %8ld)\n", + d->partition_name, + d->stats.st_size, + d->partition_length - d->stats.st_size); + } +} + + + +/** + * Image layout file format: + * + * \t\t\t + * + */ +static int parse_image_layout(const char* layoutfile, image_info_t* im) +{ + int fd = 0; + char line[1028]; + FILE* f; + + im->part_count = 0; + + fd = open(layoutfile, O_RDONLY); + if (fd < 0) { + ERROR("Could not open file '%s'\n", layoutfile); + return -1; + } + + f = fdopen(fd, "r"); + if (f == NULL) { + close(fd); + return -2; + } + + while (!feof(f)) + { + char name[32]; + u_int32_t index; + u_int32_t baseaddr; + u_int32_t size; + u_int32_t memaddr; + u_int32_t entryaddr; + char file[PATH_MAX]; + u_int32_t c; + part_data_t* d; + + if (fgets(line, sizeof(line), f) == NULL) + break; + + // TODO: very inconvenient format, use smarter parsing someday + 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) + continue; + + DEBUG("%s\t\t0x%02X\t0x%08X\t0x%08X\t0x%08X\t0x%08X\t%s\n", name, index, baseaddr, size, memaddr, entryaddr, file); + + c = im->part_count; + if (c == MAX_SECTIONS) + break; + + d = &im->parts[c]; + strncpy(d->partition_name, name, sizeof(d->partition_name)); + d->partition_index = index; + d->partition_baseaddr = baseaddr; + d->partition_length = size; + d->partition_memaddr = memaddr; + d->partition_entryaddr = entryaddr; + strncpy(d->filename, file, sizeof(d->filename)); + + im->part_count++; + } + + fclose(f); + + return 0; +} + +/** + * Checks the availability and validity of all image components. + * Fills in stats member of the part_data structure. + */ +static int validate_image_layout(image_info_t* im) +{ + int i; + + if (im->part_count == 0 || im->part_count > MAX_SECTIONS) + { + ERROR("Invalid part count '%d'\n", im->part_count); + return -1; + } + + for (i = 0; i < im->part_count; ++i) + { + part_data_t* d = &im->parts[i]; + int len = strlen(d->partition_name); + if (len == 0 || len > 16) + { + ERROR("Invalid partition name '%s' of the part %d\n", + d->partition_name, i); + return -1; + } + if (stat(d->filename, &d->stats) < 0) + { + ERROR("Couldn't stat file '%s' from part '%s'\n", + d->filename, d->partition_name); + return -2; + } + if (d->stats.st_size == 0) + { + ERROR("File '%s' from part '%s' is empty!\n", + d->filename, d->partition_name); + return -3; + } + if (d->stats.st_size > d->partition_length) { + ERROR("File '%s' too big (%d) - max size: 0x%08X (exceeds %lu bytes)\n", + d->filename, i, d->partition_length, + d->stats.st_size - d->partition_length); + return -4; + } + } + + return 0; +} + +static int build_image(image_info_t* im) +{ + char* mem; + char* ptr; + u_int32_t mem_size; + FILE* f; + int i; + + // build in-memory buffer + mem_size = sizeof(header_t) + sizeof(signature_t); + for (i = 0; i < im->part_count; ++i) + { + part_data_t* d = &im->parts[i]; + mem_size += sizeof(part_t) + d->stats.st_size + sizeof(part_crc_t); + } + + mem = (char*)calloc(mem_size, 1); + if (mem == NULL) + { + ERROR("Cannot allocate memory chunk of size '%u'\n", mem_size); + return -1; + } + + // write header + write_header(mem, im->version); + ptr = mem + sizeof(header_t); + // write all parts + for (i = 0; i < im->part_count; ++i) + { + part_data_t* d = &im->parts[i]; + int rc; + if ((rc = write_part(ptr, d)) != 0) + { + ERROR("ERROR: failed writing part %u '%s'\n", i, d->partition_name); + } + ptr += sizeof(part_t) + d->stats.st_size + sizeof(part_crc_t); + } + // write signature + write_signature(mem, mem_size - sizeof(signature_t)); + + // write in-memory buffer into file + if ((f = fopen(im->outputfile, "w")) == NULL) + { + ERROR("Can not create output file: '%s'\n", im->outputfile); + return -10; + } + + if (fwrite(mem, mem_size, 1, f) != 1) + { + ERROR("Could not write %d bytes into file: '%s'\n", + mem_size, im->outputfile); + return -11; + } + + free(mem); + fclose(f); + return 0; +} + + +int main(int argc, char* argv[]) +{ + char inputfile[PATH_MAX]; + int o, rc; + image_info_t im; + + memset(&im, 0, sizeof(im)); + memset(inputfile, 0, sizeof(inputfile)); + + strcpy(im.outputfile, DEFAULT_OUTPUT_FILE); + strcpy(im.version, DEFAULT_VERSION); + + while ((o = getopt(argc, argv, OPTIONS)) != -1) + { + switch (o) { + case 'v': + if (optarg) + strncpy(im.version, optarg, sizeof(im.version)); + break; + case 'o': + if (optarg) + strncpy(im.outputfile, optarg, sizeof(im.outputfile)); + break; + case 'i': + 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; +} -- cgit v1.2.3