git.gag.com Git - fw/altos/blob - ao-tools/ao-makebin/ao-makebin.c

   1 /*
   2  * Copyright © 2016 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  17  */
  18
  19 #include <getopt.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22 #include <unistd.h>
  23 #include <errno.h>
  24 #include "ao-hex.h"
  25 #include "ao-elf.h"
  26 #include "ao-dfu.h"
  27
  28 static const struct option options[] = {
  29         { .name = "verbose", .has_arg = 0, .val = 'v' },
  30         { .name = "output", .has_arg = 1, .val = 'o' },
  31         { .name = "base", .has_arg = 1, .val = 'b' },
  32         { .name = "align", .has_arg = 1, .val = 'a' },
  33         { .name = "dfu", .has_arg = 0, .val = 'd' },
  34         { 0, 0, 0, 0},
  35 };
  36
  37 static void usage(char *program)
  38 {
  39         fprintf(stderr, "usage: %s [--verbose=<level>] [--output=<output.bin>] [--base=<base-address>] [--align=<align>] [--dfu] <input.elf> ...\n", program);
  40         exit(1);
  41 }
  42
  43 static int
  44 ends_with(char *whole, char *suffix)
  45 {
  46         int whole_len = strlen(whole);
  47         int suffix_len = strlen(suffix);
  48
  49         if (suffix_len > whole_len)
  50                 return 0;
  51         return strcmp(whole + whole_len - suffix_len, suffix) == 0;
  52 }
  53
  54 static struct ao_dfu_info dfu_info = {
  55         .bcdDevice = 0x0000,
  56         .idProduct = 0xdf11,
  57         .idVendor = 0x0483,
  58 };
  59
  60 int
  61 main (int argc, char **argv)
  62 {
  63         char                    *output = NULL;
  64         struct ao_hex_image     *image = NULL;
  65         struct ao_sym           *file_symbols;
  66         int                     num_file_symbols;
  67         FILE                    *file;
  68         int                     c;
  69         uint32_t                base = 0xffffffff;
  70         uint32_t                align = 0;
  71         uint32_t                length;
  72         int                     verbose = 0;
  73         int                     dfu = 0;
  74
  75         while ((c = getopt_long(argc, argv, "dvo:b:a:", options, NULL)) != -1) {
  76                 switch (c) {
  77                 case 'o':
  78                         output = optarg;
  79                         break;
  80                 case 'v':
  81                         verbose++;
  82                         break;
  83                 case 'b':
  84                         base = strtoul(optarg, NULL, 0);
  85                         break;
  86                 case 'a':
  87                         align = strtoul(optarg, NULL, 0);
  88                         break;
  89                 case 'd':
  90                         dfu = 1;
  91                         break;
  92                 default:
  93                         usage(argv[0]);
  94                         break;
  95                 }
  96         }
  97
  98         while (argv[optind]) {
  99                 char                    *input = argv[optind];
 100                 struct ao_hex_image     *tmp;
 101
 102                 if (ends_with (input, ".ihx"))
 103                         tmp = ao_hex_load(input, &file_symbols, &num_file_symbols);
 104                 else
 105                         tmp = ao_load_elf(input, &file_symbols, &num_file_symbols);
 106
 107                 if (!tmp)
 108                         usage(argv[0]);
 109
 110                 if (verbose)
 111                         fprintf(stderr, "%s: 0x%x %d\n", input, tmp->address, tmp->length);
 112
 113                 if (image) {
 114                         image = ao_hex_image_cat(image, tmp);
 115                         if (!image)
 116                                 usage(argv[0]);
 117                 } else
 118                         image = tmp;
 119                 optind++;
 120         }
 121
 122         if (base != 0xffffffff && base > image->address) {
 123                 fprintf(stderr, "requested base 0x%x is after image address 0x%x\n",
 124                         base, image->address);
 125                 usage(argv[0]);
 126         }
 127
 128         if (verbose)
 129                 fprintf(stderr, "%s: base 0x%x length %d\n", output ? output : "<stdout>", image->address, image->length);
 130
 131         if (!output)
 132                 file = stdout;
 133         else {
 134                 file = fopen(output, "w");
 135                 if (!file) {
 136                         perror(output);
 137                         exit(1);
 138                 }
 139         }
 140
 141         if (dfu) {
 142                 if (!ao_dfu_write(file, &dfu_info, 1, image)) {
 143                         fprintf(stderr, "%s: dfu_write failed: %s\n", output, strerror(errno));
 144                         if (output)
 145                                 unlink(output);
 146                         exit(1);
 147                 }
 148         } else {
 149                 while (base < image->address) {
 150                         fputc(0xff, file);
 151                         base++;
 152                 }
 153
 154                 if (fwrite(image->data, 1, image->length, file) != image->length) {
 155                         fprintf(stderr, "%s: failed to write bin file\n", output ? output : "<stdout>");
 156                         if (output)
 157                                 unlink(output);
 158                         exit(1);
 159                 }
 160
 161                 if (align) {
 162                         length = image->length;
 163
 164                         while (length % align) {
 165                                 fputc(0xff, file);
 166                                 length++;
 167                         }
 168                 }
 169                 fflush(file);
 170         }
 171
 172         exit(0);
 173 }