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/*
* Copyright © 2016 Keith Packard <keithp@keithp.com>
*
* 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; version 2 of the License.
*
* 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.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include <getopt.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include "ao-hex.h"
#include "ao-elf.h"
#include "ao-dfu.h"
static const struct option options[] = {
{ .name = "verbose", .has_arg = 0, .val = 'v' },
{ .name = "output", .has_arg = 1, .val = 'o' },
{ .name = "base", .has_arg = 1, .val = 'b' },
{ .name = "align", .has_arg = 1, .val = 'a' },
{ .name = "dfu", .has_arg = 0, .val = 'd' },
{ 0, 0, 0, 0},
};
static void usage(char *program)
{
fprintf(stderr, "usage: %s [--verbose=<level>] [--output=<output.bin>] [--base=<base-address>] [--align=<align>] [--dfu] <input.elf> ...\n", program);
exit(1);
}
static int
ends_with(char *whole, char *suffix)
{
int whole_len = strlen(whole);
int suffix_len = strlen(suffix);
if (suffix_len > whole_len)
return 0;
return strcmp(whole + whole_len - suffix_len, suffix) == 0;
}
static struct ao_dfu_info dfu_info = {
.bcdDevice = 0x0000,
.idProduct = 0xdf11,
.idVendor = 0x0483,
};
int
main (int argc, char **argv)
{
char *output = NULL;
struct ao_hex_image *image = NULL;
struct ao_sym *file_symbols;
int num_file_symbols;
FILE *file;
int c;
uint32_t base = 0xffffffff;
uint32_t align = 0;
uint32_t length;
int verbose = 0;
int dfu = 0;
while ((c = getopt_long(argc, argv, "dvo:b:a:", options, NULL)) != -1) {
switch (c) {
case 'o':
output = optarg;
break;
case 'v':
verbose++;
break;
case 'b':
base = strtoul(optarg, NULL, 0);
break;
case 'a':
align = strtoul(optarg, NULL, 0);
break;
case 'd':
dfu = 1;
break;
default:
usage(argv[0]);
break;
}
}
while (argv[optind]) {
char *input = argv[optind];
struct ao_hex_image *tmp;
if (ends_with (input, ".ihx"))
tmp = ao_hex_load(input, &file_symbols, &num_file_symbols);
else
tmp = ao_load_elf(input, &file_symbols, &num_file_symbols);
if (!tmp)
usage(argv[0]);
if (verbose)
fprintf(stderr, "%s: 0x%x %d\n", input, tmp->address, tmp->length);
if (image) {
image = ao_hex_image_cat(image, tmp);
if (!image)
usage(argv[0]);
} else
image = tmp;
optind++;
}
if (base != 0xffffffff && base > image->address) {
fprintf(stderr, "requested base 0x%x is after image address 0x%x\n",
base, image->address);
usage(argv[0]);
}
if (verbose)
fprintf(stderr, "%s: base 0x%x length %d\n", output ? output : "<stdout>", image->address, image->length);
if (!output)
file = stdout;
else {
file = fopen(output, "w");
if (!file) {
perror(output);
exit(1);
}
}
if (dfu) {
if (!ao_dfu_write(file, &dfu_info, 1, image)) {
fprintf(stderr, "%s: dfu_write failed: %s\n", output, strerror(errno));
if (output)
unlink(output);
exit(1);
}
} else {
while (base < image->address) {
fputc(0xff, file);
base++;
}
if (fwrite(image->data, 1, image->length, file) != image->length) {
fprintf(stderr, "%s: failed to write bin file\n", output ? output : "<stdout>");
if (output)
unlink(output);
exit(1);
}
if (align) {
length = image->length;
while (length % align) {
fputc(0xff, file);
length++;
}
}
fflush(file);
}
exit(0);
}
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