2 * Copyright © 2008 Keith Packard <keithp@keithp.com>
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.
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.
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.
27 #define AO_USB_DESC_STRING 3
32 } serial_symbols[] = {
33 { 0, "_ao_serial_number" },
34 #define AO_SERIAL_NUMBER (serial_symbols[0].addr)
35 { 0, "_ao_usb_descriptors" },
36 #define AO_USB_DESCRIPTORS (serial_symbols[1].addr)
39 #define NUM_SERIAL_SYMBOLS (sizeof(serial_symbols)/sizeof(serial_symbols[0]))
42 find_symbols(FILE *map)
45 char *addr, *addr_end;
53 while (fgets(line, sizeof(line), map) != NULL) {
54 line[sizeof(line)-1] = '\0';
55 addr = strtok_r(line, " \t\n", &save);
58 name = strtok_r(NULL, " \t\n", &save);
61 colon = strchr (addr, ':');
64 a = strtoul(colon+1, &addr_end, 16);
65 if (a == ULONG_MAX || addr_end == addr)
67 for (s = 0; s < NUM_SERIAL_SYMBOLS; s++)
68 if (!strcmp(serial_symbols[s].name, name)) {
69 serial_symbols[s].addr = (unsigned) a;
74 return found == NUM_SERIAL_SYMBOLS;
78 rewrite(struct hex_image *image, unsigned addr, char *data, int len)
81 if (addr < image->address || image->address + image->length < addr + len)
83 printf("rewrite %04x:", addr);
84 for (i = 0; i < len; i++)
85 printf (" %02x", image->data[addr - image->address + i]);
87 for (i = 0; i < len; i++)
88 printf (" %02x", data[i]);
90 memcpy(image->data + addr - image->address, data, len);
93 static const struct option options[] = {
94 { .name = "tty", .has_arg = 1, .val = 'T' },
95 { .name = "device", .has_arg = 1, .val = 'D' },
99 static void usage(char *program)
101 fprintf(stderr, "usage: %s [--tty <tty-name>] [--device <device-name>] file.ihx serial-number\n", program);
106 main (int argc, char **argv)
111 struct hex_file *hex;
112 struct hex_image *image;
124 unsigned usb_descriptors;
130 while ((c = getopt_long(argc, argv, "T:D:", options, NULL)) != -1) {
143 filename = argv[optind];
144 if (filename == NULL)
146 mapname = strdup(filename);
147 dot = strrchr(mapname, '.');
148 if (!dot || strcmp(dot, ".ihx") != 0)
152 serial_string = argv[optind + 1];
153 if (serial_string == NULL)
156 file = fopen(filename, "r");
161 map = fopen(mapname, "r");
166 if (!find_symbols(map)) {
167 fprintf(stderr, "Cannot find symbols in \"%s\"\n", mapname);
172 hex = ccdbg_hex_file_read(file, filename);
178 image = ccdbg_hex_image_create(hex);
180 fprintf(stderr, "image create failed\n");
183 ccdbg_hex_file_free(hex);
185 serial = strtoul(serial_string, NULL, 0);
189 serial_int[0] = serial & 0xff;
190 serial_int[1] = (serial >> 8) & 0xff;
192 if (!rewrite(image, AO_SERIAL_NUMBER, serial_int, sizeof (serial_int))) {
193 fprintf(stderr, "Cannot rewrite serial integer at %04x\n",
198 usb_descriptors = AO_USB_DESCRIPTORS - image->address;
200 while (image->data[usb_descriptors] != 0 && usb_descriptors < image->length) {
201 if (image->data[usb_descriptors+1] == AO_USB_DESC_STRING) {
206 usb_descriptors += image->data[usb_descriptors];
208 if (usb_descriptors >= image->length || image->data[usb_descriptors] == 0 ) {
209 fprintf(stderr, "Cannot rewrite serial string at %04x\n", AO_USB_DESCRIPTORS);
213 serial_ucs2_len = image->data[usb_descriptors] - 2;
214 serial_ucs2 = malloc(serial_ucs2_len);
216 fprintf(stderr, "Malloc(%d) failed\n", serial_ucs2_len);
220 for (i = serial_ucs2_len / 2; i; i--) {
221 serial_ucs2[i * 2 - 1] = 0;
222 serial_ucs2[i * 2 - 2] = (s % 10) + '0';
225 if (!rewrite(image, usb_descriptors + 2 + image->address, serial_ucs2, serial_ucs2_len))
229 tty = cc_usbdevs_find_by_arg(device, "TIDongle");
230 dbg = ccdbg_open(tty);
234 ccdbg_add_debug(CC_DEBUG_FLASH);
236 ccdbg_debug_mode(dbg);
238 if (image->address == 0xf000) {
239 printf("Loading %d bytes to execute from RAM\n",
241 ccdbg_write_hex_image(dbg, image, 0);
242 } else if (image->address == 0x0000) {
243 printf("Loading %d bytes to execute from FLASH\n",
245 ccdbg_flash_hex_image(dbg, image);
247 printf("Cannot load code to 0x%04x\n",
249 ccdbg_hex_image_free(image);
253 ccdbg_set_pc(dbg, image->address);