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ubnt-mkfwimage.c
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ubnt-mkfwimage.c
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/*
* 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 <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <zlib.h>
#include <sys/mman.h>
#include <netinet/in.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#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 <version string>\t - firmware version information, default: %s\n"
"\t-o <output file>\t - firmware output file, default: %s\n"
"\t-i <input file>\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:
*
* <partition name>\t<partition index>\t<partition size>\t<data file name>
*
*/
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;
}
hehopmajieh-ThinkPad-X200s unifi # cat ubnt-mkfwimage.c ubnt-mkfwimage.c
/*
* 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 <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <zlib.h>
#include <sys/mman.h>
#include <netinet/in.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#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 <version string>\t - firmware version information, default: %s\n"
"\t-o <output file>\t - firmware output file, default: %s\n"
"\t-i <input file>\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:
*
* <partition name>\t<partition index>\t<partition size>\t<data file name>
*
*/
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;
}
/*
* 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 <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <zlib.h>
#include <sys/mman.h>
#include <netinet/in.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#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 <version string>\t - firmware version information, default: %s\n"
"\t-o <output file>\t - firmware output file, default: %s\n"
"\t-i <input file>\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:
*
* <partition name>\t<partition index>\t<partition size>\t<data file name>
*
*/
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;