2 * Copyright © 2013 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; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
20 #include "ao-editaltos.h"
22 struct ao_sym ao_symbols[] = {
24 { 0, 0, "ao_romconfig_version", 1 },
25 { 0, 0, "ao_romconfig_check", 1 },
26 { 0, 0, "ao_serial_number", 1 },
27 { 0, 0, "ao_radio_cal", 0 },
28 { 0, 0, "ao_usb_descriptors", 0 },
33 int ao_num_symbols = NUM_SYMBOLS;
36 * Edit the to-be-written memory block
39 rewrite(struct ao_hex_image *load, unsigned address, uint8_t *data, int length)
43 if (address < load->address || load->address + load->length < address + length)
46 printf("rewrite %04x:", address);
47 for (i = 0; i < length; i++)
48 printf (" %02x", load->data[address - load->address + i]);
50 for (i = 0; i < length; i++)
51 printf (" %02x", data[i]);
53 memcpy(load->data + address - load->address, data, length);
58 * Find the symbols needed to correctly load the program
62 ao_editaltos_find_symbols(struct ao_sym *file_symbols, int num_file_symbols,
63 struct ao_sym *symbols, int num_symbols)
67 for (f = 0; f < num_file_symbols; f++) {
68 for (s = 0; s < num_symbols; s++) {
69 if (strcmp(symbols[s].name, file_symbols[f].name) == 0) {
70 symbols[s].addr = file_symbols[f].addr;
71 symbols[s].found = true;
75 for (s = 0; s < num_symbols; s++)
76 if (!symbols[s].found && symbols[s].required)
82 ao_editaltos(struct ao_hex_image *image,
88 uint8_t serial_int[2];
94 /* Write the config values into the flash image
97 serial_int[0] = serial & 0xff;
98 serial_int[1] = (serial >> 8) & 0xff;
100 if (!rewrite(image, AO_SERIAL_NUMBER, serial_int, sizeof (serial_int))) {
101 fprintf(stderr, "Cannot rewrite serial integer at %08x\n",
106 if (AO_USB_DESCRIPTORS) {
107 uint32_t usb_descriptors = AO_USB_DESCRIPTORS - image->address;
110 while (image->data[usb_descriptors] != 0 && usb_descriptors < image->length) {
111 if (image->data[usb_descriptors+1] == AO_USB_DESC_STRING) {
116 usb_descriptors += image->data[usb_descriptors];
118 if (usb_descriptors >= image->length || image->data[usb_descriptors] == 0 ) {
119 fprintf(stderr, "Cannot rewrite serial string at %08x\n", AO_USB_DESCRIPTORS);
123 serial_ucs2_len = image->data[usb_descriptors] - 2;
124 serial_ucs2 = malloc(serial_ucs2_len);
126 fprintf(stderr, "Malloc(%d) failed\n", serial_ucs2_len);
130 for (i = serial_ucs2_len / 2; i; i--) {
131 serial_ucs2[i * 2 - 1] = 0;
132 serial_ucs2[i * 2 - 2] = (s % 10) + '0';
135 if (!rewrite(image, usb_descriptors + 2 + image->address, serial_ucs2, serial_ucs2_len)) {
136 fprintf (stderr, "Cannot rewrite USB descriptor at %08x\n", AO_USB_DESCRIPTORS);
141 if (cal && AO_RADIO_CAL) {
142 cal_int[0] = cal & 0xff;
143 cal_int[1] = (cal >> 8) & 0xff;
144 cal_int[2] = (cal >> 16) & 0xff;
145 cal_int[3] = (cal >> 24) & 0xff;
147 if (!rewrite(image, AO_RADIO_CAL, cal_int, sizeof (cal_int))) {
148 fprintf(stderr, "Cannot rewrite radio calibration at %08x\n", AO_RADIO_CAL);