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

   1 /*
   2  * Copyright © 2008 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 <stdlib.h>
  20 #include <limits.h>
  21 #include <stdint.h>
  22 #include <unistd.h>
  23 #include <getopt.h>
  24 #include "ccdbg.h"
  25 #include "cc.h"
  26
  27 #define AO_USB_DESC_STRING              3
  28
  29 struct sym {
  30         unsigned        addr;
  31         char            *name;
  32 } ao_symbols[] = {
  33         { 0,    "_ao_serial_number" },
  34 #define AO_SERIAL_NUMBER        (ao_symbols[0].addr)
  35         { 0,    "_ao_usb_descriptors" },
  36 #define AO_USB_DESCRIPTORS      (ao_symbols[1].addr)
  37         { 0,    "_ao_radio_cal" },
  38 #define AO_RADIO_CAL            (ao_symbols[2].addr)
  39 };
  40
  41 #define NUM_SERIAL_SYMBOLS      2
  42 #define NUM_SYMBOLS             3
  43
  44 static int
  45 find_symbols(FILE *map)
  46 {
  47         char    line[2048];
  48         char    *addr, *addr_end;
  49         char    *name;
  50         char    *save;
  51         char    *colon;
  52         unsigned long   a;
  53         int     s;
  54         int     found = 0;
  55
  56         while (fgets(line, sizeof(line), map) != NULL) {
  57                 line[sizeof(line)-1] = '\0';
  58                 addr = strtok_r(line, " \t\n", &save);
  59                 if (!addr)
  60                         continue;
  61                 name = strtok_r(NULL, " \t\n", &save);
  62                 if (!name)
  63                         continue;
  64                 colon = strchr (addr, ':');
  65                 if (!colon)
  66                         continue;
  67                 a = strtoul(colon+1, &addr_end, 16);
  68                 if (a == ULONG_MAX || addr_end == addr)
  69                         continue;
  70                 for (s = 0; s < NUM_SYMBOLS; s++)
  71                         if (!strcmp(ao_symbols[s].name, name)) {
  72                                 ao_symbols[s].addr = (unsigned) a;
  73                                 ++found;
  74                                 break;
  75                         }
  76         }
  77         return found >= NUM_SERIAL_SYMBOLS;
  78 }
  79
  80 static int
  81 rewrite(struct hex_image *image, unsigned addr, char *data, int len)
  82 {
  83         int i;
  84         if (addr < image->address || image->address + image->length < addr + len)
  85                 return 0;
  86         printf("rewrite %04x:", addr);
  87         for (i = 0; i < len; i++)
  88                 printf (" %02x", image->data[addr - image->address + i]);
  89         printf(" ->");
  90         for (i = 0; i < len; i++)
  91                 printf (" %02x", data[i]);
  92         printf("\n");
  93         memcpy(image->data + addr - image->address, data, len);
  94 }
  95
  96 static const struct option options[] = {
  97         { .name = "tty", .has_arg = 1, .val = 'T' },
  98         { .name = "device", .has_arg = 1, .val = 'D' },
  99         { .name = "cal", .has_arg = 1, .val = 'c' },
 100         { 0, 0, 0, 0},
 101 };
 102
 103 static void usage(char *program)
 104 {
 105         fprintf(stderr, "usage: %s [--tty=<tty-name>] [--device=<device-name>] [--cal=<radio-cal>] file.ihx serial-number\n", program);
 106         exit(1);
 107 }
 108
 109 int
 110 main (int argc, char **argv)
 111 {
 112         struct ccdbg    *dbg;
 113         uint8_t         status;
 114         uint16_t        pc;
 115         struct hex_file *hex;
 116         struct hex_image *image;
 117         char            *filename;
 118         FILE            *file;
 119         FILE            *map;
 120         char            *serial_string;
 121         unsigned int    serial;
 122         char            *mapname, *dot;
 123         char            *serial_ucs2;
 124         int             serial_ucs2_len;
 125         char            serial_int[2];
 126         unsigned int    s;
 127         int             i;
 128         unsigned        usb_descriptors;
 129         int             string_num;
 130         char            *tty = NULL;
 131         char            *device = NULL;
 132         uint32_t        cal = 0;
 133         char            cal_int[4];
 134         char            *cal_end;
 135         int             c;
 136
 137         while ((c = getopt_long(argc, argv, "T:D:c:", options, NULL)) != -1) {
 138                 switch (c) {
 139                 case 'T':
 140                         tty = optarg;
 141                         break;
 142                 case 'D':
 143                         device = optarg;
 144                         break;
 145                 case 'c':
 146                         cal = strtoul(optarg, &cal_end, 10);
 147                         if (cal_end == optarg || *cal_end != '\0')
 148                                 usage(argv[0]);
 149                         break;
 150                 default:
 151                         usage(argv[0]);
 152                         break;
 153                 }
 154         }
 155         filename = argv[optind];
 156         if (filename == NULL)
 157                 usage(argv[0]);
 158         mapname = strdup(filename);
 159         dot = strrchr(mapname, '.');
 160         if (!dot || strcmp(dot, ".ihx") != 0)
 161                 usage(argv[0]);
 162         strcpy(dot, ".map");
 163
 164         serial_string = argv[optind + 1];
 165         if (serial_string == NULL)
 166                 usage(argv[0]);
 167
 168         file = fopen(filename, "r");
 169         if (!file) {
 170                 perror(filename);
 171                 exit(1);
 172         }
 173         map = fopen(mapname, "r");
 174         if (!map) {
 175                 perror(mapname);
 176                 exit(1);
 177         }
 178         if (!find_symbols(map)) {
 179                 fprintf(stderr, "Cannot find symbols in \"%s\"\n", mapname);
 180                 exit(1);
 181         }
 182         fclose(map);
 183
 184         hex = ccdbg_hex_file_read(file, filename);
 185         fclose(file);
 186         if (!hex) {
 187                 perror(filename);
 188                 exit (1);
 189         }
 190         image = ccdbg_hex_image_create(hex);
 191         if (!image) {
 192                 fprintf(stderr, "image create failed\n");
 193                 exit (1);
 194         }
 195         ccdbg_hex_file_free(hex);
 196
 197         serial = strtoul(serial_string, NULL, 0);
 198         if (!serial)
 199 (argv[0]);
 200
 201         serial_int[0] = serial & 0xff;
 202         serial_int[1] = (serial >> 8) & 0xff;
 203
 204         if (!rewrite(image, AO_SERIAL_NUMBER, serial_int, sizeof (serial_int))) {
 205                 fprintf(stderr, "Cannot rewrite serial integer at %04x\n",
 206                         AO_SERIAL_NUMBER);
 207                 exit(1);
 208         }
 209
 210         usb_descriptors = AO_USB_DESCRIPTORS - image->address;
 211         string_num = 0;
 212         while (image->data[usb_descriptors] != 0 && usb_descriptors < image->length) {
 213                 if (image->data[usb_descriptors+1] == AO_USB_DESC_STRING) {
 214                         ++string_num;
 215                         if (string_num == 4)
 216                                 break;
 217                 }
 218                 usb_descriptors += image->data[usb_descriptors];
 219         }
 220         if (usb_descriptors >= image->length || image->data[usb_descriptors] == 0 ) {
 221                 fprintf(stderr, "Cannot rewrite serial string at %04x\n", AO_USB_DESCRIPTORS);
 222                 exit(1);
 223         }
 224
 225         serial_ucs2_len = image->data[usb_descriptors] - 2;
 226         serial_ucs2 = malloc(serial_ucs2_len);
 227         if (!serial_ucs2) {
 228                 fprintf(stderr, "Malloc(%d) failed\n", serial_ucs2_len);
 229                 exit(1);
 230         }
 231         s = serial;
 232         for (i = serial_ucs2_len / 2; i; i--) {
 233                 serial_ucs2[i * 2 - 1] = 0;
 234                 serial_ucs2[i * 2 - 2] = (s % 10) + '0';
 235                 s /= 10;
 236         }
 237         if (!rewrite(image, usb_descriptors + 2 + image->address, serial_ucs2, serial_ucs2_len))
 238                 usage(argv[0]);
 239
 240         if (cal) {
 241                 cal_int[0] = cal & 0xff;
 242                 cal_int[1] = (cal >> 8) & 0xff;
 243                 cal_int[2] = (cal >> 16) & 0xff;
 244                 cal_int[3] = (cal >> 24) & 0xff;
 245                 if (!AO_RADIO_CAL) {
 246                         fprintf(stderr, "Cannot find radio calibration location in image\n");
 247                         exit(1);
 248                 }
 249                 if (!rewrite(image, AO_RADIO_CAL, cal_int, sizeof (cal_int))) {
 250                         fprintf(stderr, "Cannot rewrite radio calibration at %04x\n", AO_RADIO_CAL);
 251                         exit(1);
 252                 }
 253         }
 254         if (!tty)
 255                 tty = cc_usbdevs_find_by_arg(device, "TIDongle");
 256         dbg = ccdbg_open(tty);
 257         if (!dbg)
 258                 exit (1);
 259
 260         ccdbg_add_debug(CC_DEBUG_FLASH);
 261
 262         ccdbg_debug_mode(dbg);
 263         ccdbg_halt(dbg);
 264         if (image->address == 0xf000) {
 265                 printf("Loading %d bytes to execute from RAM\n",
 266                        image->length);
 267                 ccdbg_write_hex_image(dbg, image, 0);
 268         } else if (image->address == 0x0000) {
 269                 printf("Loading %d bytes to execute from FLASH\n",
 270                        image->length);
 271                 ccdbg_flash_hex_image(dbg, image);
 272         } else {
 273                 printf("Cannot load code to 0x%04x\n",
 274                        image->address);
 275                 ccdbg_hex_image_free(image);
 276                 ccdbg_close(dbg);
 277                 exit(1);
 278         }
 279         ccdbg_set_pc(dbg, image->address);
 280         ccdbg_resume(dbg);
 281         ccdbg_close(dbg);
 282         exit (0);
 283 }