Merge branch 'master' of ssh://git.gag.com/scm/git/fw/altos
[fw/altos] / 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
26 #define AO_USB_DESC_STRING              3
27
28 struct sym {
29         unsigned        addr;
30         char            *name;
31 } serial_symbols[] = {
32         { 0,    "_ao_serial_number" },
33 #define AO_SERIAL_NUMBER        (serial_symbols[0].addr)
34         { 0,    "_ao_usb_descriptors" },
35 #define AO_USB_DESCRIPTORS      (serial_symbols[1].addr)
36 };
37
38 #define NUM_SERIAL_SYMBOLS      (sizeof(serial_symbols)/sizeof(serial_symbols[0]))
39
40 static int
41 find_symbols(FILE *map)
42 {
43         char    line[2048];
44         char    *addr, *addr_end;
45         char    *name;
46         char    *save;
47         char    *colon;
48         unsigned long   a;
49         int     s;
50         int     found = 0;
51
52         while (fgets(line, sizeof(line), map) != NULL) {
53                 line[sizeof(line)-1] = '\0';
54                 addr = strtok_r(line, " \t\n", &save);
55                 if (!addr)
56                         continue;
57                 name = strtok_r(NULL, " \t\n", &save);
58                 if (!name)
59                         continue;
60                 colon = strchr (addr, ':');
61                 if (!colon)
62                         continue;
63                 a = strtoul(colon+1, &addr_end, 16);
64                 if (a == ULONG_MAX || addr_end == addr)
65                         continue;
66                 for (s = 0; s < NUM_SERIAL_SYMBOLS; s++)
67                         if (!strcmp(serial_symbols[s].name, name)) {
68                                 serial_symbols[s].addr = (unsigned) a;
69                                 ++found;
70                                 break;
71                         }
72         }
73         return found == NUM_SERIAL_SYMBOLS;
74 }
75
76 static int
77 rewrite(struct hex_image *image, unsigned addr, char *data, int len)
78 {
79         int i;
80         if (addr < image->address || image->address + image->length < addr + len)
81                 return 0;
82         printf("rewrite %04x:", addr);
83         for (i = 0; i < len; i++)
84                 printf (" %02x", image->data[addr - image->address + i]);
85         printf(" ->");
86         for (i = 0; i < len; i++)
87                 printf (" %02x", data[i]);
88         printf("\n");
89         memcpy(image->data + addr - image->address, data, len);
90 }
91
92 <<<<<<< HEAD:ao-tools/ao-load/ao-load.c
93 static const struct option
94 =======
95 static const struct option options[] = {
96         { .name = "tty", .has_arg = 1, .val = 'T' },
97         { 0, 0, 0, 0},
98 };
99
100 static void usage(char *program)
101 {
102         fprintf(stderr, "usage: %s [--tty <tty-name>] file.ihx serial-number\n", program);
103         exit(1);
104 }
105
106 >>>>>>> c29275b72438637d46d7a50742882d2736eb176a:ao-tools/ao-load/ao-load.c
107 int
108 main (int argc, char **argv)
109 {
110         struct ccdbg    *dbg;
111         uint8_t         status;
112         uint16_t        pc;
113         struct hex_file *hex;
114         struct hex_image *image;
115         char            *filename;
116         FILE            *file;
117         FILE            *map;
118         char            *serial_string;
119         unsigned int    serial;
120         char            *mapname, *dot;
121         char            *serial_ucs2;
122         int             serial_ucs2_len;
123         char            serial_int[2];
124         unsigned int    s;
125         int             i;
126         unsigned        usb_descriptors;
127         int             string_num;
128         char            *tty = NULL;
129         int             c;
130
131         while ((c = getopt_long(argc, argv, "T:", options, NULL)) != -1) {
132                 switch (c) {
133                 case 'T':
134                         tty = optarg;
135                         break;
136                 default:
137                         usage(argv[0]);
138                         break;
139                 }
140         }
141         filename = argv[optind];
142         if (filename == NULL)
143                 usage(argv[0]);
144         mapname = strdup(filename);
145         dot = strrchr(mapname, '.');
146         if (!dot || strcmp(dot, ".ihx") != 0)
147                 usage(argv[0]);
148         strcpy(dot, ".map");
149
150         serial_string = argv[optind + 1];
151         if (serial_string == NULL)
152                 usage(argv[0]);
153
154         file = fopen(filename, "r");
155         if (!file) {
156                 perror(filename);
157                 exit(1);
158         }
159         map = fopen(mapname, "r");
160         if (!map) {
161                 perror(mapname);
162                 exit(1);
163         }
164         if (!find_symbols(map)) {
165                 fprintf(stderr, "Cannot find symbols in \"%s\"\n", mapname);
166                 exit(1);
167         }
168         fclose(map);
169
170         hex = ccdbg_hex_file_read(file, filename);
171         fclose(file);
172         if (!hex) {
173                 perror(filename);
174                 exit (1);
175         }
176         image = ccdbg_hex_image_create(hex);
177         if (!image) {
178                 fprintf(stderr, "image create failed\n");
179                 exit (1);
180         }
181         ccdbg_hex_file_free(hex);
182
183         serial = strtoul(serial_string, NULL, 0);
184         if (!serial)
185 (argv[0]);
186
187         serial_int[0] = serial & 0xff;
188         serial_int[1] = (serial >> 8) & 0xff;
189
190         if (!rewrite(image, AO_SERIAL_NUMBER, serial_int, sizeof (serial_int))) {
191                 fprintf(stderr, "Cannot rewrite serial integer at %04x\n",
192                         AO_SERIAL_NUMBER);
193                 exit(1);
194         }
195
196         usb_descriptors = AO_USB_DESCRIPTORS - image->address;
197         string_num = 0;
198         while (image->data[usb_descriptors] != 0 && usb_descriptors < image->length) {
199                 if (image->data[usb_descriptors+1] == AO_USB_DESC_STRING) {
200                         ++string_num;
201                         if (string_num == 4)
202                                 break;
203                 }
204                 usb_descriptors += image->data[usb_descriptors];
205         }
206         if (usb_descriptors >= image->length || image->data[usb_descriptors] == 0 ) {
207                 fprintf(stderr, "Cannot rewrite serial string at %04x\n", AO_USB_DESCRIPTORS);
208                 exit(1);
209         }
210
211         serial_ucs2_len = image->data[usb_descriptors] - 2;
212         serial_ucs2 = malloc(serial_ucs2_len);
213         if (!serial_ucs2) {
214                 fprintf(stderr, "Malloc(%d) failed\n", serial_ucs2_len);
215                 exit(1);
216         }
217         s = serial;
218         for (i = serial_ucs2_len / 2; i; i--) {
219                 serial_ucs2[i * 2 - 1] = 0;
220                 serial_ucs2[i * 2 - 2] = (s % 10) + '0';
221                 s /= 10;
222         }
223         if (!rewrite(image, usb_descriptors + 2 + image->address, serial_ucs2, serial_ucs2_len))
224                 usage(argv[0]);
225
226         dbg = ccdbg_open(tty);
227         if (!dbg)
228                 exit (1);
229
230         ccdbg_add_debug(CC_DEBUG_FLASH);
231
232         ccdbg_debug_mode(dbg);
233         ccdbg_halt(dbg);
234         if (image->address == 0xf000) {
235                 printf("Loading %d bytes to execute from RAM\n",
236                        image->length);
237                 ccdbg_write_hex_image(dbg, image, 0);
238         } else if (image->address == 0x0000) {
239                 printf("Loading %d bytes to execute from FLASH\n",
240                        image->length);
241                 ccdbg_flash_hex_image(dbg, image);
242         } else {
243                 printf("Cannot load code to 0x%04x\n",
244                        image->address);
245                 ccdbg_hex_image_free(image);
246                 ccdbg_close(dbg);
247                 exit(1);
248         }
249         ccdbg_set_pc(dbg, image->address);
250         ccdbg_resume(dbg);
251         ccdbg_close(dbg);
252         exit (0);
253 }