-
Notifications
You must be signed in to change notification settings - Fork 76
/
main.c
448 lines (438 loc) · 11.7 KB
/
main.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
#include <fel.h>
#include <sha256.h>
#include <ecdsa256.h>
#include <spinor.h>
#include <spinand.h>
#include <libusb.h>
static void usage(void)
{
printf("xfel(v1.3.2) - https://github.com/xboot/xfel\r\n");
printf("usage:\r\n");
printf(" xfel version - Show chip version\r\n");
printf(" xfel hexdump <address> <length> - Dumps memory region in hex\r\n");
printf(" xfel dump <address> <length> - Binary memory dump to stdout\r\n");
printf(" xfel read32 <address> - Read 32-bits value from device memory\r\n");
printf(" xfel write32 <address> <value> - Write 32-bits value to device memory\r\n");
printf(" xfel read <address> <length> <file> - Read memory to file\r\n");
printf(" xfel write <address> <file> - Write file to memory\r\n");
printf(" xfel exec <address> - Call function address\r\n");
printf(" xfel reset - Reset device using watchdog\r\n");
printf(" xfel sid - Show sid information\r\n");
printf(" xfel jtag - Enable jtag debug\r\n");
printf(" xfel ddr [type] - Initial ddr controller with optional type\r\n");
printf(" xfel sign <public-key> <private-key> <file> - Generate ecdsa256 signature file for sha256 of sid\r\n");
printf(" xfel spinor - Detect spi nor flash\r\n");
printf(" xfel spinor erase <address> <length> - Erase spi nor flash\r\n");
printf(" xfel spinor read <address> <length> <file> - Read spi nor flash to file\r\n");
printf(" xfel spinor write <address> <file> - Write file to spi nor flash\r\n");
printf(" xfel spinand - Detect spi nand flash\r\n");
printf(" xfel spinand erase <address> <length> - Erase spi nand flash\r\n");
printf(" xfel spinand read <address> <length> <file> - Read spi nand flash to file\r\n");
printf(" xfel spinand write <address> <file> - Write file to spi nand flash\r\n");
printf(" xfel spinand splwrite <split-size> <address> <file> - Write file to spi nand flash with split support\r\n");
printf(" xfel extra [...] - The extra commands\r\n");
}
int main(int argc, char * argv[])
{
struct xfel_ctx_t ctx = { 0 };
libusb_context *context = NULL;
if(argc < 2)
{
usage();
return 0;
}
for(int i = 1; i < argc; i++)
{
if(!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help"))
{
usage();
return 0;
}
}
libusb_device **list = NULL;
libusb_init(&context);
int count = libusb_get_device_list(context, &list);
assert(count > 0);
for (size_t i = 0; i < count; ++i) {
libusb_device *device = list[i];
struct libusb_device_descriptor desc;
int rc = libusb_get_device_descriptor(device, &desc);
if(rc != 0)
{
printf("ERROR: Can't get device list: %d\r\n", rc);
}
if(desc.idVendor == 0x1f3a && desc.idProduct == 0xefe8) {
int rc = libusb_open(device, &ctx.hdl);
if(rc != 0)
{
printf("ERROR: Can't connect to device: %d\r\n", rc);
}
break;
}
}
if(!fel_init(&ctx))
{
printf("ERROR: No FEL device found!\r\n");
if(ctx.hdl)
libusb_close(ctx.hdl);
libusb_exit(NULL);
return -1;
}
if(!strcmp(argv[1], "version"))
{
printf("%.8s ID=0x%08x(%s) dflag=0x%02x dlength=0x%02x scratchpad=0x%08x\r\n",
ctx.version.magic, ctx.version.id, ctx.chip->name, ctx.version.dflag,
ctx.version.dlength, ctx.version.scratchpad);
}
else if(!strcmp(argv[1], "hexdump"))
{
argc -= 2;
argv += 2;
if(argc == 2)
{
uint32_t addr = strtoul(argv[0], NULL, 0);
size_t len = strtoul(argv[1], NULL, 0);
char * buf = malloc(len);
if(buf)
{
fel_read(&ctx, addr, buf, len);
hexdump(addr, buf, len);
free(buf);
}
}
else
usage();
}
else if(!strcmp(argv[1], "dump"))
{
argc -= 2;
argv += 2;
if(argc == 2)
{
uint32_t addr = strtoul(argv[0], NULL, 0);
size_t len = strtoul(argv[1], NULL, 0);
char * buf = malloc(len);
if(buf)
{
fel_read(&ctx, addr, buf, len);
fwrite(buf, len, 1, stdout);
free(buf);
}
}
else
usage();
}
else if(!strcmp(argv[1], "read32"))
{
argc -= 2;
argv += 2;
if(argc == 1)
{
uint32_t addr = strtoul(argv[0], NULL, 0);
printf("0x%08x\r\n", fel_read32(&ctx, addr));
}
else
usage();
}
else if(!strcmp(argv[1], "write32"))
{
argc -= 2;
argv += 2;
if(argc == 2)
{
uint32_t addr = strtoul(argv[0], NULL, 0);
uint32_t val = strtoul(argv[1], NULL, 0);
fel_write32(&ctx, addr, val);
}
else
usage();
}
else if(!strcmp(argv[1], "read"))
{
argc -= 2;
argv += 2;
if(argc == 3)
{
uint32_t addr = strtoul(argv[0], NULL, 0);
size_t len = strtoul(argv[1], NULL, 0);
char * buf = malloc(len);
if(buf)
{
fel_read_progress(&ctx, addr, buf, len);
file_save(argv[2], buf, len);
free(buf);
}
}
else
usage();
}
else if(!strcmp(argv[1], "write"))
{
argc -= 2;
argv += 2;
if(argc == 2)
{
uint32_t addr = strtoul(argv[0], NULL, 0);
uint64_t len;
void * buf = file_load(argv[1], &len);
if(buf)
{
fel_write_progress(&ctx, addr, buf, len);
free(buf);
}
}
else
usage();
}
else if(!strcmp(argv[1], "exec"))
{
argc -= 2;
argv += 2;
if(argc == 1)
{
uint32_t addr = strtoul(argv[0], NULL, 0);
fel_exec(&ctx, addr);
}
else
usage();
}
else if(!strcmp(argv[1], "reset"))
{
if(!fel_chip_reset(&ctx))
printf("The '%s' chip don't support reset command\r\n", ctx.chip->name);
}
else if(!strcmp(argv[1], "sid"))
{
char sid[256];
if(fel_chip_sid(&ctx, sid))
printf("%s\r\n", sid);
else
printf("The '%s' chip don't support sid command\r\n", ctx.chip->name);
}
else if(!strcmp(argv[1], "jtag"))
{
if(!fel_chip_jtag(&ctx))
printf("The '%s' chip don't support jtag command\r\n", ctx.chip->name);
}
else if(!strcmp(argv[1], "ddr"))
{
argc -= 2;
argv += 2;
if(!fel_chip_ddr(&ctx, (argc == 1) ? argv[0] : ""))
printf("Failed to initial ddr controller\r\n");
}
else if(!strcmp(argv[1], "sign"))
{
argc -= 2;
argv += 2;
if(argc == 3)
{
uint8_t public_key[33] = {
0x03, 0xcf, 0xd1, 0x8e, 0x4a, 0x4b, 0x40, 0xd6,
0x52, 0x94, 0x48, 0xaa, 0x2d, 0xf8, 0xbb, 0xb6,
0x77, 0x12, 0x82, 0x58, 0xb8, 0xfb, 0xfc, 0x5b,
0x9e, 0x49, 0x2f, 0xbb, 0xba, 0x4e, 0x84, 0x83,
0x2f,
};
uint8_t private_key[32] = {
0xdc, 0x57, 0xb8, 0xa9, 0xe0, 0xe2, 0xb7, 0xf8,
0xb4, 0xc9, 0x29, 0xbd, 0x8d, 0xb2, 0x84, 0x4e,
0x53, 0xf0, 0x1f, 0x17, 0x1b, 0xbc, 0xdf, 0x6e,
0x62, 0x89, 0x08, 0xdb, 0xf2, 0xb2, 0xe6, 0xa9,
};
char * p = argv[0];
if(p && (strcmp(p, "") != 0) && (strlen(p) == sizeof(public_key) * 2))
{
for(int i = 0; i < sizeof(public_key); i++)
public_key[i] = hex_string(p, i * 2);
}
char * q = argv[1];
if(q && (strcmp(q, "") != 0) && (strlen(q) == sizeof(private_key) * 2))
{
for(int i = 0; i < sizeof(private_key); i++)
private_key[i] = hex_string(q, i * 2);
}
char sid[256];
uint8_t sha256[32];
uint8_t signature[64];
if(fel_chip_sid(&ctx, sid))
{
sha256_hash(sid, strlen(sid), sha256);
ecdsa256_sign(private_key, sha256, signature);
printf("Unique ID:\r\n\t");
printf("%s\r\n", sid);
printf("Sha256 digest:\r\n\t");
for(int i = 0; i < sizeof(sha256); i++)
printf("%02x", sha256[i]);
printf("\r\n");
printf("Ecdsa256 public key:\r\n\t");
for(int i = 0; i < sizeof(public_key); i++)
printf("%02x", public_key[i]);
printf("\r\n");
printf("Ecdsa256 private key:\r\n\t");
for(int i = 0; i < sizeof(private_key); i++)
printf("%02x", private_key[i]);
printf("\r\n");
printf("Ecdsa256 signature:\r\n\t");
for(int i = 0; i < sizeof(signature); i++)
printf("%02x", signature[i]);
printf("\r\n");
if(ecdsa256_verify(public_key, sha256, signature))
{
file_save(argv[2], signature, sizeof(signature));
printf("Ecdsa256 signature verify successed and saved to '%s'.\r\n", argv[2]);
}
else
printf("Ecdsa256 signature verify failed, please check the ecdsa256 public and private key.\r\n");
}
else
printf("The '%s' chip don't support sid command\r\n", ctx.chip->name);
}
else
usage();
}
else if(!strcmp(argv[1], "spinor"))
{
argc -= 2;
argv += 2;
if(argc == 0)
{
char name[128];
uint64_t capacity;
if(spinor_detect(&ctx, name, &capacity))
printf("Found spi nor flash '%s' with %lld bytes\r\n", name, (long long)capacity);
else
printf("Can't detect any spi nor flash\r\n");
}
else
{
if(!strcmp(argv[0], "erase") && (argc == 3))
{
argc -= 1;
argv += 1;
uint64_t addr = strtoull(argv[0], NULL, 0);
uint64_t len = strtoull(argv[1], NULL, 0);
if(!spinor_erase(&ctx, addr, len))
printf("Can't erase spi nor flash\r\n");
}
else if(!strcmp(argv[0], "read") && (argc == 4))
{
argc -= 1;
argv += 1;
uint64_t addr = strtoull(argv[0], NULL, 0);
uint64_t len = strtoull(argv[1], NULL, 0);
char * buf = malloc(len);
if(buf)
{
if(spinor_read(&ctx, addr, buf, len))
file_save(argv[2], buf, len);
else
printf("Can't read spi nor flash\r\n");
free(buf);
}
}
else if(!strcmp(argv[0], "write") && (argc == 3))
{
argc -= 1;
argv += 1;
uint64_t addr = strtoull(argv[0], NULL, 0);
uint64_t len;
void * buf = file_load(argv[1], &len);
if(buf)
{
if(!spinor_write(&ctx, addr, buf, len))
printf("Can't write spi nor flash\r\n");
free(buf);
}
}
else
usage();
}
}
else if(!strcmp(argv[1], "spinand"))
{
argc -= 2;
argv += 2;
if(argc == 0)
{
char name[128];
uint64_t capacity;
if(spinand_detect(&ctx, name, &capacity))
printf("Found spi nand flash '%s' with %lld bytes\r\n", name, (long long)capacity);
else
printf("Can't detect any spi nand flash\r\n");
}
else
{
if(!strcmp(argv[0], "erase") && (argc == 3))
{
argc -= 1;
argv += 1;
uint64_t addr = strtoull(argv[0], NULL, 0);
uint64_t len = strtoull(argv[1], NULL, 0);
if(!spinand_erase(&ctx, addr, len))
printf("Can't erase spi nand flash\r\n");
}
else if(!strcmp(argv[0], "read") && (argc == 4))
{
argc -= 1;
argv += 1;
uint64_t addr = strtoull(argv[0], NULL, 0);
uint64_t len = strtoull(argv[1], NULL, 0);
char * buf = malloc(len);
if(buf)
{
if(spinand_read(&ctx, addr, buf, len))
file_save(argv[2], buf, len);
else
printf("Can't read spi nand flash\r\n");
free(buf);
}
}
else if(!strcmp(argv[0], "write") && (argc == 3))
{
argc -= 1;
argv += 1;
uint64_t addr = strtoull(argv[0], NULL, 0);
uint64_t len;
void * buf = file_load(argv[1], &len);
if(buf)
{
if(!spinand_write(&ctx, addr, buf, len))
printf("Can't write spi nand flash\r\n");
free(buf);
}
}
else if(!strcmp(argv[0], "splwrite") && (argc == 4))
{
argc -= 1;
argv += 1;
uint32_t splitsz = strtoul(argv[0], NULL, 0);
uint64_t addr = strtoull(argv[1], NULL, 0);
uint64_t len;
void * buf = file_load(argv[2], &len);
if(buf)
{
if(!spinand_splwrite(&ctx, splitsz, addr, buf, len))
printf("Can't write spi nand flash with split support\r\n");
free(buf);
}
}
else
usage();
}
}
else if(!strcmp(argv[1], "extra"))
{
argc -= 2;
argv += 2;
if(!fel_chip_extra(&ctx, argc, argv))
printf("Not support any extra commands\r\n");
}
else
usage();
if(ctx.hdl)
libusb_close(ctx.hdl);
libusb_exit(NULL);
return 0;
}