287 lines
6.8 KiB
C
287 lines
6.8 KiB
C
/*
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* Copyright © 2008 Keith Packard <keithp@keithp.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*/
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#include <stdlib.h>
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#include <limits.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <getopt.h>
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#include "ccdbg.h"
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#include "cc.h"
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#define AO_USB_DESC_STRING 3
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static struct sym {
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unsigned addr;
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char *name;
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int required;
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} ao_symbols[] = {
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{ 0, "_ao_serial_number", 1 },
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#define AO_SERIAL_NUMBER (ao_symbols[0].addr)
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{ 0, "_ao_usb_descriptors", 0 },
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#define AO_USB_DESCRIPTORS (ao_symbols[1].addr)
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{ 0, "_ao_radio_cal", 1 },
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#define AO_RADIO_CAL (ao_symbols[2].addr)
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};
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#define NUM_SYMBOLS 3
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#define NUM_REQUIRED_SYMBOLS 2
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static int
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find_symbols(FILE *map)
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{
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char line[2048];
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char *addr, *addr_end;
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char *name;
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char *save;
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char *colon;
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unsigned long a;
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int s;
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int required = 0;
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while (fgets(line, sizeof(line), map) != NULL) {
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line[sizeof(line)-1] = '\0';
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addr = strtok_r(line, " \t\n", &save);
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if (!addr)
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continue;
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name = strtok_r(NULL, " \t\n", &save);
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if (!name)
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continue;
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colon = strchr (addr, ':');
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if (!colon)
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continue;
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a = strtoul(colon+1, &addr_end, 16);
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if (a == ULONG_MAX || addr_end == addr)
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continue;
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for (s = 0; s < NUM_SYMBOLS; s++)
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if (!strcmp(ao_symbols[s].name, name)) {
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ao_symbols[s].addr = (unsigned) a;
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if (ao_symbols[s].required)
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++required;
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break;
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}
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}
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return required >= NUM_REQUIRED_SYMBOLS;
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}
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static int
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rewrite(struct ao_hex_image *image, unsigned addr, char *data, int len)
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{
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int i;
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if (addr < image->address || image->address + image->length < addr + len)
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return 0;
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printf("rewrite %04x:", addr);
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for (i = 0; i < len; i++)
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printf (" %02x", image->data[addr - image->address + i]);
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printf(" ->");
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for (i = 0; i < len; i++)
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printf (" %02x", data[i]);
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printf("\n");
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memcpy(image->data + addr - image->address, data, len);
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return 1;
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}
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static const struct option options[] = {
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{ .name = "tty", .has_arg = 1, .val = 'T' },
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{ .name = "device", .has_arg = 1, .val = 'D' },
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{ .name = "cal", .has_arg = 1, .val = 'c' },
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{ 0, 0, 0, 0},
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};
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static void usage(char *program)
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{
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fprintf(stderr, "usage: %s [--tty=<tty-name>] [--device=<device-name>] [--cal=<radio-cal>] file.ihx serial-number\n", program);
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exit(1);
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}
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int
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main (int argc, char **argv)
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{
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struct ccdbg *dbg;
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struct ao_hex_file *hex;
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struct ao_hex_image *image;
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char *filename;
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FILE *file;
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FILE *map;
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char *serial_string;
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unsigned int serial;
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char *mapname, *dot;
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char *serial_ucs2;
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int serial_ucs2_len;
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char serial_int[2];
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unsigned int s;
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int i;
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int string_num;
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char *tty = NULL;
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char *device = NULL;
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uint32_t cal = 0;
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char cal_int[4];
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char *cal_end;
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int c;
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while ((c = getopt_long(argc, argv, "T:D:c:", options, NULL)) != -1) {
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switch (c) {
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case 'T':
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tty = optarg;
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break;
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case 'D':
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device = optarg;
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break;
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case 'c':
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cal = strtoul(optarg, &cal_end, 10);
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if (cal_end == optarg || *cal_end != '\0')
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usage(argv[0]);
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break;
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default:
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usage(argv[0]);
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break;
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}
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}
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filename = argv[optind];
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if (filename == NULL)
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usage(argv[0]);
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mapname = strdup(filename);
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dot = strrchr(mapname, '.');
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if (!dot || strcmp(dot, ".ihx") != 0)
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usage(argv[0]);
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strcpy(dot, ".map");
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serial_string = argv[optind + 1];
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if (serial_string == NULL)
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usage(argv[0]);
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file = fopen(filename, "r");
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if (!file) {
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perror(filename);
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exit(1);
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}
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map = fopen(mapname, "r");
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if (!map) {
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perror(mapname);
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exit(1);
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}
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if (!find_symbols(map)) {
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fprintf(stderr, "Cannot find symbols in \"%s\"\n", mapname);
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exit(1);
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}
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fclose(map);
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hex = ao_hex_file_read(file, filename);
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fclose(file);
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if (!hex) {
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perror(filename);
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exit (1);
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}
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image = ao_hex_image_create(hex);
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if (!image) {
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fprintf(stderr, "image create failed\n");
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exit (1);
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}
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ao_hex_file_free(hex);
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serial = strtoul(serial_string, NULL, 0);
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if (!serial)
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usage(argv[0]);
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serial_int[0] = serial & 0xff;
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serial_int[1] = (serial >> 8) & 0xff;
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if (!rewrite(image, AO_SERIAL_NUMBER, serial_int, sizeof (serial_int))) {
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fprintf(stderr, "Cannot rewrite serial integer at %04x\n",
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AO_SERIAL_NUMBER);
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exit(1);
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}
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if (AO_USB_DESCRIPTORS) {
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unsigned usb_descriptors;
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usb_descriptors = AO_USB_DESCRIPTORS - image->address;
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string_num = 0;
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while (image->data[usb_descriptors] != 0 && usb_descriptors < image->length) {
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if (image->data[usb_descriptors+1] == AO_USB_DESC_STRING) {
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++string_num;
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if (string_num == 4)
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break;
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}
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usb_descriptors += image->data[usb_descriptors];
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}
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if (usb_descriptors >= image->length || image->data[usb_descriptors] == 0 ) {
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fprintf(stderr, "Cannot rewrite serial string at %04x\n", AO_USB_DESCRIPTORS);
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exit(1);
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}
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serial_ucs2_len = image->data[usb_descriptors] - 2;
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serial_ucs2 = malloc(serial_ucs2_len);
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if (!serial_ucs2) {
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fprintf(stderr, "Malloc(%d) failed\n", serial_ucs2_len);
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exit(1);
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}
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s = serial;
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for (i = serial_ucs2_len / 2; i; i--) {
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serial_ucs2[i * 2 - 1] = 0;
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serial_ucs2[i * 2 - 2] = (s % 10) + '0';
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s /= 10;
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}
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if (!rewrite(image, usb_descriptors + 2 + image->address, serial_ucs2, serial_ucs2_len))
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usage(argv[0]);
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}
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if (cal) {
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cal_int[0] = cal & 0xff;
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cal_int[1] = (cal >> 8) & 0xff;
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cal_int[2] = (cal >> 16) & 0xff;
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cal_int[3] = (cal >> 24) & 0xff;
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if (!AO_RADIO_CAL) {
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fprintf(stderr, "Cannot find radio calibration location in image\n");
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exit(1);
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}
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if (!rewrite(image, AO_RADIO_CAL, cal_int, sizeof (cal_int))) {
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fprintf(stderr, "Cannot rewrite radio calibration at %04x\n", AO_RADIO_CAL);
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exit(1);
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}
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}
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if (!tty)
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tty = cc_usbdevs_find_by_arg(device, "TIDongle");
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dbg = ccdbg_open(tty);
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if (!dbg)
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exit (1);
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ccdbg_add_debug(CC_DEBUG_FLASH);
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ccdbg_debug_mode(dbg);
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ccdbg_halt(dbg);
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if (image->address == 0xf000) {
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printf("Loading %d bytes to execute from RAM\n",
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image->length);
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ccdbg_write_hex_image(dbg, image, 0);
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} else if (image->address == 0x0000) {
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printf("Loading %d bytes to execute from FLASH\n",
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image->length);
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ccdbg_flash_hex_image(dbg, image);
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} else {
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printf("Cannot load code to 0x%04x\n",
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image->address);
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ao_hex_image_free(image);
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ccdbg_close(dbg);
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exit(1);
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}
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ccdbg_set_pc(dbg, image->address);
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ccdbg_resume(dbg);
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ccdbg_close(dbg);
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exit (0);
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}
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