| 1 | #include <stdio.h> |
| 2 | #include <string.h> |
| 3 | #include <usb.h> |
| 4 | |
| 5 | |
| 6 | typedef unsigned char u8; |
| 7 | typedef unsigned short u16; |
| 8 | typedef unsigned int u32; |
| 9 | #define array_size(x) (sizeof(x) / sizeof(x[0])) |
| 10 | |
| 11 | static const struct { |
| 12 | unsigned short vendor; |
| 13 | unsigned short product; |
| 14 | const char *name; |
| 15 | } g_devices[] = { |
| 16 | { 0x03eb, 0x202a, "16MX+U Game Device" }, |
| 17 | { 0x03eb, 0x202b, "32MX+U Game Device" }, |
| 18 | { 0x03eb, 0x202c, "16MX+US Game Device" }, |
| 19 | { 0x03eb, 0x202d, "32MX+UF Game Device" }, |
| 20 | }; |
| 21 | |
| 22 | #define VERSION "0.8" |
| 23 | |
| 24 | #define IO_BLK_SIZE 0x2000 /* 8K */ |
| 25 | |
| 26 | #define CMD_ATM_READY 0x22 |
| 27 | #define CMD_SEC_GET_NAME 'G' /* filename r/w */ |
| 28 | #define CMD_SEC_PUT_NAME 'P' |
| 29 | #define CMD_SEC_DEVID 'L' /* read flash device ID */ |
| 30 | #define CMD_SEC_ERASE 'E' |
| 31 | #define CMD_SEC_READY 'C' /* is flash ready? */ |
| 32 | #define CMD_SEC_READ 'R' |
| 33 | #define CMD_SEC_WRITE 'W' |
| 34 | |
| 35 | /* bus controllers */ |
| 36 | #define CTL_DATA_BUS 0x55 |
| 37 | #define CTL_ADDR_BUS 0xAA |
| 38 | |
| 39 | #define W_COUNTER 0xA0 |
| 40 | #define W_CNT_WRITE 0x01 |
| 41 | #define W_CNT_READ 0x00 |
| 42 | |
| 43 | #define FILENAME_ROM0 0 |
| 44 | #define FILENAME_ROM1 1 |
| 45 | #define FILENAME_RAM 2 |
| 46 | |
| 47 | typedef struct { |
| 48 | u8 magic[4]; |
| 49 | u8 reserved[8]; |
| 50 | u8 write_flag; |
| 51 | u8 reserved2[2]; |
| 52 | u8 magic2; |
| 53 | u8 mx_cmd; |
| 54 | union { /* 0x11 */ |
| 55 | struct { |
| 56 | u8 which_device; |
| 57 | } dev_info; |
| 58 | struct { |
| 59 | u8 addrb2; /* most significant (BE) */ |
| 60 | u8 addrb1; |
| 61 | u8 addrb0; |
| 62 | u8 param; /* 64 byte usb packets for i/o */ |
| 63 | u8 param2; |
| 64 | } rom_rw; |
| 65 | struct { |
| 66 | u8 which; |
| 67 | } filename; |
| 68 | struct { |
| 69 | u8 cmd; |
| 70 | u8 action; |
| 71 | u8 b0; /* LE */ |
| 72 | u8 b1; |
| 73 | u8 b2; |
| 74 | u8 b3; |
| 75 | } write_cnt; |
| 76 | struct { |
| 77 | u8 which; |
| 78 | u8 dev_id; |
| 79 | } rom_id; |
| 80 | }; |
| 81 | u8 pad[8]; |
| 82 | } dev_cmd_t; |
| 83 | |
| 84 | typedef struct { |
| 85 | u8 firmware_ver[4]; |
| 86 | u8 bootloader_ver[4]; |
| 87 | char names[56]; |
| 88 | } dev_info_t; |
| 89 | |
| 90 | typedef struct { |
| 91 | u32 start_addr; |
| 92 | u32 end_addr; |
| 93 | u32 page_size; |
| 94 | } page_table_t; |
| 95 | |
| 96 | static const page_table_t p_AM29LV320DB[] = |
| 97 | { |
| 98 | { 0x000000, 0x00ffff, 0x002000 }, |
| 99 | { 0x010000, 0x3fffff, 0x010000 }, |
| 100 | { 0x000000, 0x000000, 0x000000 }, |
| 101 | }; |
| 102 | |
| 103 | static const page_table_t p_AM29LV320DT[] = |
| 104 | { |
| 105 | { 0x000000, 0x3effff, 0x010000 }, |
| 106 | { 0x3f0000, 0x3fffff, 0x002000 }, |
| 107 | { 0x000000, 0x000000, 0x000000 }, |
| 108 | }; |
| 109 | |
| 110 | static const page_table_t p_2x_16[] = |
| 111 | { |
| 112 | { 0x000000, 0x003fff, 0x004000 }, |
| 113 | { 0x004000, 0x007fff, 0x002000 }, |
| 114 | { 0x008000, 0x00ffff, 0x008000 }, |
| 115 | { 0x010000, 0x1fffff, 0x010000 }, |
| 116 | { 0x200000, 0x203fff, 0x004000 }, |
| 117 | { 0x204000, 0x207fff, 0x002000 }, |
| 118 | { 0x208000, 0x20ffff, 0x008000 }, |
| 119 | { 0x210000, 0x3fffff, 0x010000 }, |
| 120 | { 0x000000, 0x000000, 0x000000 }, |
| 121 | }; |
| 122 | |
| 123 | /*****************************************************************************/ |
| 124 | |
| 125 | static void prepare_cmd(dev_cmd_t *dev_cmd, u8 cmd) |
| 126 | { |
| 127 | memset(dev_cmd, 0, sizeof(*dev_cmd)); |
| 128 | |
| 129 | memcpy(dev_cmd->magic, "USBC", 4); |
| 130 | dev_cmd->magic2 = 0x67; /* MySCSICommand, EXCOMMAND */ |
| 131 | dev_cmd->mx_cmd = cmd; |
| 132 | } |
| 133 | |
| 134 | static int write_data(struct usb_dev_handle *dev, void *data, int len) |
| 135 | { |
| 136 | int ret = usb_bulk_write(dev, 0x03, data, len, 2000); |
| 137 | if (ret < 0) { |
| 138 | fprintf(stderr, "failed to write:\n"); |
| 139 | fprintf(stderr, "%s (%d)\n", usb_strerror(), ret); |
| 140 | } else if (ret != len) |
| 141 | printf("write_cmd: wrote only %d of %d bytes\n", ret, len); |
| 142 | |
| 143 | return ret; |
| 144 | } |
| 145 | |
| 146 | static int write_cmd(struct usb_dev_handle *dev, dev_cmd_t *cmd) |
| 147 | { |
| 148 | return write_data(dev, cmd, sizeof(*cmd)); |
| 149 | } |
| 150 | |
| 151 | static int read_data(struct usb_dev_handle *dev, void *buff, int size) |
| 152 | { |
| 153 | int ret = usb_bulk_read(dev, 0x82, buff, size, 2000); |
| 154 | if (ret < 0) { |
| 155 | fprintf(stderr, "failed to read:\n"); |
| 156 | fprintf(stderr, "%s (%d)\n", usb_strerror(), ret); |
| 157 | } |
| 158 | /* |
| 159 | else if (ret != size) |
| 160 | printf("read_data: read only %d of %d bytes\n", ret, size); |
| 161 | */ |
| 162 | return ret; |
| 163 | } |
| 164 | |
| 165 | static int read_info(struct usb_dev_handle *device, u8 ctl_id, dev_info_t *info) |
| 166 | { |
| 167 | dev_cmd_t cmd; |
| 168 | int ret; |
| 169 | |
| 170 | prepare_cmd(&cmd, CMD_ATM_READY); |
| 171 | cmd.dev_info.which_device = ctl_id; |
| 172 | memset(info, 0, sizeof(*info)); |
| 173 | |
| 174 | ret = write_cmd(device, &cmd); |
| 175 | if (ret < 0) |
| 176 | return ret; |
| 177 | |
| 178 | ret = read_data(device, info, sizeof(*info)); |
| 179 | if (ret < 0) |
| 180 | return ret; |
| 181 | |
| 182 | return 0; |
| 183 | } |
| 184 | |
| 185 | static void printf_info(dev_info_t *info) |
| 186 | { |
| 187 | printf(" firmware version: %X.%X.%X%c\n", info->firmware_ver[0], |
| 188 | info->firmware_ver[1], info->firmware_ver[2], info->firmware_ver[3]); |
| 189 | printf(" bootloader version: %X.%X.%X%c\n", info->bootloader_ver[0], |
| 190 | info->bootloader_ver[1], info->bootloader_ver[2], info->bootloader_ver[3]); |
| 191 | info->names[sizeof(info->names) - 1] = 0; |
| 192 | printf(" device name: %s\n", info->names); |
| 193 | } |
| 194 | |
| 195 | static void print_progress(u32 done, u32 total) |
| 196 | { |
| 197 | int i, step; |
| 198 | |
| 199 | printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"); |
| 200 | printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"); /* 20 */ |
| 201 | printf("\b\b\b\b\b\b"); |
| 202 | printf("%06x/%06x |", done, total); |
| 203 | |
| 204 | step = total / 20; |
| 205 | for (i = step; i <= total; i += step) |
| 206 | printf("%c", done >= i ? '=' : '-'); |
| 207 | printf("| %3d%%", done * 100 / total); |
| 208 | fflush(stdout); |
| 209 | } |
| 210 | |
| 211 | static int read_filename(struct usb_dev_handle *dev, char *dst, int len, u8 which) |
| 212 | { |
| 213 | char buff[65]; |
| 214 | dev_cmd_t cmd; |
| 215 | int ret; |
| 216 | |
| 217 | prepare_cmd(&cmd, CMD_SEC_GET_NAME); |
| 218 | cmd.filename.which = which; |
| 219 | memset(buff, 0, sizeof(buff)); |
| 220 | |
| 221 | ret = write_cmd(dev, &cmd); |
| 222 | if (ret < 0) |
| 223 | return ret; |
| 224 | |
| 225 | ret = read_data(dev, buff, 64); |
| 226 | if (ret < 0) |
| 227 | return ret; |
| 228 | |
| 229 | strncpy(dst, buff, len); |
| 230 | dst[len - 1] = 0; |
| 231 | |
| 232 | return 0; |
| 233 | } |
| 234 | |
| 235 | static int write_filename(struct usb_dev_handle *dev, const char *fname, u8 which) |
| 236 | { |
| 237 | dev_cmd_t cmd; |
| 238 | char buff[64]; |
| 239 | int ret, len; |
| 240 | |
| 241 | len = strlen(fname); |
| 242 | if (len > 63) |
| 243 | len = 63; |
| 244 | strncpy(buff, fname, len); |
| 245 | buff[len] = 0; |
| 246 | |
| 247 | prepare_cmd(&cmd, CMD_SEC_PUT_NAME); |
| 248 | cmd.filename.which = which; |
| 249 | |
| 250 | ret = write_cmd(dev, &cmd); |
| 251 | if (ret < 0) |
| 252 | return ret; |
| 253 | |
| 254 | return write_data(dev, buff, len + 1); |
| 255 | } |
| 256 | |
| 257 | static int read_erase_counter(struct usb_dev_handle *dev, u32 *val) |
| 258 | { |
| 259 | dev_info_t dummy_info; |
| 260 | dev_cmd_t cmd; |
| 261 | u8 buff[4]; |
| 262 | int ret; |
| 263 | |
| 264 | /* must perform dummy info read here, |
| 265 | * or else device hangs after close (firmware bug?) */ |
| 266 | ret = read_info(dev, CTL_DATA_BUS, &dummy_info); |
| 267 | if (ret < 0) |
| 268 | return ret; |
| 269 | |
| 270 | prepare_cmd(&cmd, CMD_ATM_READY); |
| 271 | cmd.write_cnt.cmd = W_COUNTER; |
| 272 | cmd.write_cnt.action = W_CNT_READ; |
| 273 | |
| 274 | ret = write_cmd(dev, &cmd); |
| 275 | if (ret < 0) |
| 276 | return ret; |
| 277 | |
| 278 | ret = read_data(dev, buff, sizeof(buff)); |
| 279 | if (ret < 0) |
| 280 | return ret; |
| 281 | |
| 282 | *val = *(u32 *)buff; |
| 283 | return 0; |
| 284 | } |
| 285 | |
| 286 | static int read_flash_rom_id(struct usb_dev_handle *dev, int is_second, u32 *val) |
| 287 | { |
| 288 | dev_cmd_t cmd; |
| 289 | u8 buff[2]; |
| 290 | int ret; |
| 291 | |
| 292 | prepare_cmd(&cmd, CMD_SEC_DEVID); |
| 293 | cmd.rom_id.which = is_second ? 0x10 : 0; |
| 294 | cmd.rom_id.dev_id = 0; |
| 295 | |
| 296 | ret = write_cmd(dev, &cmd); |
| 297 | if (ret < 0) |
| 298 | return ret; |
| 299 | |
| 300 | ret = read_data(dev, buff, sizeof(buff)); |
| 301 | if (ret < 0) |
| 302 | return ret; |
| 303 | |
| 304 | *val = *(u16 *)buff << 16; |
| 305 | |
| 306 | cmd.rom_id.dev_id = 1; |
| 307 | ret = write_cmd(dev, &cmd); |
| 308 | if (ret < 0) |
| 309 | return ret; |
| 310 | |
| 311 | ret = read_data(dev, buff, sizeof(buff)); |
| 312 | if (ret < 0) |
| 313 | return ret; |
| 314 | |
| 315 | *val |= *(u16 *)buff; |
| 316 | return 0; |
| 317 | } |
| 318 | |
| 319 | static const page_table_t *get_page_table(u32 rom_id) |
| 320 | { |
| 321 | switch (rom_id) { |
| 322 | case 0x0100F922: |
| 323 | return p_AM29LV320DB; |
| 324 | case 0x0100F422: |
| 325 | return p_AM29LV320DT; |
| 326 | case 0x01004922: |
| 327 | case 0xC2004922: |
| 328 | return p_2x_16; |
| 329 | default: |
| 330 | fprintf(stderr, "unrecognized ROM id: %08x\n", rom_id); |
| 331 | } |
| 332 | |
| 333 | return NULL; |
| 334 | } |
| 335 | |
| 336 | static int get_page_size(const page_table_t *table, u32 addr, u32 *size) |
| 337 | { |
| 338 | const page_table_t *t; |
| 339 | |
| 340 | for (t = table; t->end_addr != 0; t++) { |
| 341 | if (addr >= t->start_addr && addr <= t->end_addr) { |
| 342 | *size = t->page_size; |
| 343 | return 0; |
| 344 | } |
| 345 | } |
| 346 | |
| 347 | if (addr == t[-1].end_addr + 1) |
| 348 | return 1; /* no more */ |
| 349 | |
| 350 | fprintf(stderr, "get_page_size: failed on addr %06x\n", addr); |
| 351 | return -1; |
| 352 | } |
| 353 | |
| 354 | /* limitations: |
| 355 | * - bytes must be multiple of 64 |
| 356 | * - bytes must be less than 16k |
| 357 | * - must perform even number of reads, or dev hangs on exit (firmware bug?) */ |
| 358 | static int rw_rom_block(struct usb_dev_handle *dev, u32 addr, void *buffer, int bytes, int is_w) |
| 359 | { |
| 360 | dev_cmd_t cmd; |
| 361 | int ret; |
| 362 | |
| 363 | prepare_cmd(&cmd, is_w ? CMD_SEC_WRITE : CMD_SEC_READ); |
| 364 | cmd.write_flag = is_w ? 1 : 0; |
| 365 | cmd.rom_rw.addrb2 = addr >> (16 + 1); |
| 366 | cmd.rom_rw.addrb1 = addr >> (8 + 1); |
| 367 | cmd.rom_rw.addrb0 = addr >> 1; |
| 368 | cmd.rom_rw.param = bytes / 64; |
| 369 | cmd.rom_rw.param2 = is_w ? 1 : 0; /* ? */ |
| 370 | |
| 371 | ret = write_cmd(dev, &cmd); |
| 372 | if (ret < 0) |
| 373 | return ret; |
| 374 | |
| 375 | bytes &= ~63; |
| 376 | |
| 377 | if (is_w) |
| 378 | ret = write_data(dev, buffer, bytes); |
| 379 | else |
| 380 | ret = read_data(dev, buffer, bytes); |
| 381 | if (ret < 0) |
| 382 | return ret; |
| 383 | |
| 384 | if (ret != bytes) |
| 385 | fprintf(stderr, "rw_rom_block warning: done only %d/%d bytes\n", ret, bytes); |
| 386 | |
| 387 | return ret; |
| 388 | } |
| 389 | |
| 390 | static int read_write_rom(struct usb_dev_handle *dev, u32 addr, void *buffer, int bytes, int is_write) |
| 391 | { |
| 392 | int total_bytes = bytes; |
| 393 | u8 *buff = buffer; |
| 394 | u8 dummy[64 * 4]; |
| 395 | int count, ret; |
| 396 | |
| 397 | if (addr & 1) |
| 398 | fprintf(stderr, "read_write_rom: can't handle odd address %06x, " |
| 399 | "LSb will be ignored\n", addr); |
| 400 | if (bytes & 63) |
| 401 | fprintf(stderr, "read_write_rom: byte count must be multiple of 64, " |
| 402 | "last %d bytes will not be handled\n", bytes & 63); |
| 403 | |
| 404 | printf("%s flash ROM...\n", is_write ? "writing to" : "reading"); |
| 405 | |
| 406 | /* do i/o in blocks */ |
| 407 | for (count = 0; bytes >= IO_BLK_SIZE; count++) { |
| 408 | print_progress(buff - (u8 *)buffer, total_bytes); |
| 409 | |
| 410 | ret = rw_rom_block(dev, addr, buff, IO_BLK_SIZE, is_write); |
| 411 | if (ret < 0) |
| 412 | return ret; |
| 413 | buff += IO_BLK_SIZE; |
| 414 | addr += IO_BLK_SIZE; |
| 415 | bytes -= IO_BLK_SIZE; |
| 416 | } |
| 417 | print_progress(buff - (u8 *)buffer, total_bytes); |
| 418 | |
| 419 | ret = 0; |
| 420 | if (bytes != 0) { |
| 421 | ret = rw_rom_block(dev, addr, buff, bytes, is_write); |
| 422 | count++; |
| 423 | print_progress(total_bytes, total_bytes); |
| 424 | } |
| 425 | |
| 426 | if (count & 1) |
| 427 | /* work around read_rom_block() limitation 3 */ |
| 428 | rw_rom_block(dev, 0, dummy, sizeof(dummy), 0); |
| 429 | |
| 430 | printf("\n"); |
| 431 | return ret; |
| 432 | } |
| 433 | |
| 434 | static int increment_erase_cnt(struct usb_dev_handle *dev) |
| 435 | { |
| 436 | dev_cmd_t cmd; |
| 437 | u8 buff[4]; |
| 438 | u32 cnt; |
| 439 | int ret; |
| 440 | |
| 441 | ret = read_erase_counter(dev, &cnt); |
| 442 | if (ret != 0) |
| 443 | return ret; |
| 444 | |
| 445 | if (cnt == (u32)-1) { |
| 446 | fprintf(stderr, "flash erase counter maxed out!\n"); |
| 447 | fprintf(stderr, "(wow, did you really erase so many times?)\n"); |
| 448 | return -1; |
| 449 | } |
| 450 | |
| 451 | cnt++; |
| 452 | |
| 453 | prepare_cmd(&cmd, CMD_ATM_READY); |
| 454 | cmd.write_cnt.cmd = W_COUNTER; |
| 455 | cmd.write_cnt.action = W_CNT_WRITE; |
| 456 | cmd.write_cnt.b3 = cnt >> 24; |
| 457 | cmd.write_cnt.b2 = cnt >> 16; |
| 458 | cmd.write_cnt.b1 = cnt >> 8; |
| 459 | cmd.write_cnt.b0 = cnt; |
| 460 | |
| 461 | ret = write_cmd(dev, &cmd); |
| 462 | if (ret < 0) |
| 463 | return ret; |
| 464 | |
| 465 | ret = read_data(dev, buff, sizeof(buff)); |
| 466 | if (ret < 0) |
| 467 | return ret; |
| 468 | |
| 469 | return 0; |
| 470 | } |
| 471 | |
| 472 | static int erase_page(struct usb_dev_handle *dev, u32 addr, int whole) |
| 473 | { |
| 474 | dev_cmd_t cmd; |
| 475 | u8 buff[5]; |
| 476 | int i, ret; |
| 477 | |
| 478 | prepare_cmd(&cmd, CMD_SEC_ERASE); |
| 479 | cmd.write_flag = 1; |
| 480 | cmd.rom_rw.addrb2 = addr >> (16 + 1); |
| 481 | cmd.rom_rw.addrb1 = addr >> (8 + 1); |
| 482 | cmd.rom_rw.addrb0 = addr >> 1; |
| 483 | cmd.rom_rw.param = whole ? 0x10 : 0; |
| 484 | |
| 485 | ret = write_cmd(dev, &cmd); |
| 486 | if (ret < 0) |
| 487 | return ret; |
| 488 | |
| 489 | ret = read_data(dev, buff, sizeof(buff)); |
| 490 | if (ret < 0) |
| 491 | return ret; |
| 492 | |
| 493 | prepare_cmd(&cmd, CMD_SEC_READY); |
| 494 | cmd.rom_rw.addrb2 = addr >> (16 + 1); |
| 495 | cmd.rom_rw.addrb1 = addr >> (8 + 1); |
| 496 | cmd.rom_rw.addrb0 = addr >> 1; |
| 497 | |
| 498 | for (i = 0; i < 100; i++) { |
| 499 | ret = write_cmd(dev, &cmd); |
| 500 | if (ret < 0) |
| 501 | return ret; |
| 502 | |
| 503 | ret = read_data(dev, buff, sizeof(buff)); |
| 504 | if (ret < 0) |
| 505 | return ret; |
| 506 | |
| 507 | if (ret > 4 && buff[4] == 1) |
| 508 | break; |
| 509 | |
| 510 | usleep((whole ? 600 : 20) * 1000); |
| 511 | } |
| 512 | |
| 513 | if (i == 100) { |
| 514 | fprintf(stderr, "\ntimeout waiting for erase to complete\n"); |
| 515 | return -1; |
| 516 | } |
| 517 | |
| 518 | return 0; |
| 519 | } |
| 520 | |
| 521 | static int erase_seq(struct usb_dev_handle *dev, u32 size) |
| 522 | { |
| 523 | const page_table_t *table; |
| 524 | u32 addr, page_size = 0; |
| 525 | u32 rom0_id, rom1_id; |
| 526 | int count, ret; |
| 527 | |
| 528 | ret = read_flash_rom_id(dev, 0, &rom0_id); |
| 529 | if (ret < 0) |
| 530 | return ret; |
| 531 | |
| 532 | ret = read_flash_rom_id(dev, 1, &rom1_id); |
| 533 | if (ret < 0) |
| 534 | return ret; |
| 535 | |
| 536 | if (rom0_id != rom1_id) |
| 537 | fprintf(stderr, "Warning: flash ROM ids differ: %08x %08x\n", |
| 538 | rom0_id, rom1_id); |
| 539 | |
| 540 | table = get_page_table(rom0_id); |
| 541 | if (table == NULL) |
| 542 | return -1; |
| 543 | |
| 544 | printf("erasing flash...\n"); |
| 545 | |
| 546 | ret = increment_erase_cnt(dev); |
| 547 | if (ret != 0) |
| 548 | fprintf(stderr, "warning: coun't increase erase counter\n"); |
| 549 | |
| 550 | for (addr = 0, count = 0; addr < size; addr += page_size, count++) { |
| 551 | print_progress(addr, size); |
| 552 | |
| 553 | ret = erase_page(dev, addr, 0); |
| 554 | if (ret < 0) |
| 555 | return ret; |
| 556 | |
| 557 | ret = get_page_size(table, addr, &page_size); |
| 558 | if (ret != 0) |
| 559 | break; |
| 560 | } |
| 561 | |
| 562 | if (count & 1) |
| 563 | /* ??? */ |
| 564 | /* must submit even number of erase commands (fw bug?) */ |
| 565 | erase_page(dev, 0, 0); |
| 566 | |
| 567 | print_progress(addr, size); |
| 568 | printf("\n"); |
| 569 | |
| 570 | return ret; |
| 571 | } |
| 572 | |
| 573 | static int erase_all(struct usb_dev_handle *dev, u32 size) |
| 574 | { |
| 575 | int ret; |
| 576 | |
| 577 | printf("erasing flash0..."); |
| 578 | fflush(stdout); |
| 579 | |
| 580 | ret = increment_erase_cnt(dev); |
| 581 | if (ret != 0) |
| 582 | fprintf(stderr, "warning: couldn't increase erase counter\n"); |
| 583 | |
| 584 | ret = erase_page(dev, 0xaaa, 1); |
| 585 | if (ret != 0) |
| 586 | return ret; |
| 587 | |
| 588 | if (size > 0x200000) { |
| 589 | printf(" done.\n"); |
| 590 | printf("erasing flash1..."); |
| 591 | fflush(stdout); |
| 592 | |
| 593 | ret = erase_page(dev, 0x200aaa, 1); |
| 594 | } |
| 595 | |
| 596 | printf(" done.\n"); |
| 597 | return ret; |
| 598 | } |
| 599 | |
| 600 | static int print_device_info(struct usb_dev_handle *dev) |
| 601 | { |
| 602 | u32 counter, rom0_id, rom1_id; |
| 603 | dev_info_t info; |
| 604 | int ret; |
| 605 | |
| 606 | printf("data bus controller:\n"); |
| 607 | ret = read_info(dev, CTL_DATA_BUS, &info); |
| 608 | if (ret < 0) |
| 609 | return ret; |
| 610 | printf_info(&info); |
| 611 | |
| 612 | printf("address bus controller:\n"); |
| 613 | ret = read_info(dev, CTL_ADDR_BUS, &info); |
| 614 | if (ret < 0) |
| 615 | return ret; |
| 616 | printf_info(&info); |
| 617 | |
| 618 | ret = read_erase_counter(dev, &counter); |
| 619 | if (ret < 0) |
| 620 | return ret; |
| 621 | printf("flash erase count: %u\n", counter); |
| 622 | |
| 623 | ret = read_flash_rom_id(dev, 0, &rom0_id); |
| 624 | if (ret < 0) |
| 625 | return ret; |
| 626 | printf("flash rom0 id: %08x\n", rom0_id); |
| 627 | |
| 628 | ret = read_flash_rom_id(dev, 1, &rom1_id); |
| 629 | if (ret < 0) |
| 630 | return ret; |
| 631 | printf("flash rom1 id: %08x\n", rom1_id); |
| 632 | |
| 633 | return 0; |
| 634 | } |
| 635 | |
| 636 | static int print_game_info(struct usb_dev_handle *dev) |
| 637 | { |
| 638 | char fname[65]; |
| 639 | int ret; |
| 640 | |
| 641 | ret = read_filename(dev, fname, sizeof(fname), FILENAME_ROM0); |
| 642 | if (ret < 0) |
| 643 | return ret; |
| 644 | printf("ROM filename: %s\n", fname); |
| 645 | |
| 646 | ret = read_filename(dev, fname, sizeof(fname), FILENAME_RAM); |
| 647 | if (ret < 0) |
| 648 | return ret; |
| 649 | printf("SRAM filename: %s\n", fname); |
| 650 | |
| 651 | return 0; |
| 652 | } |
| 653 | |
| 654 | static usb_dev_handle *get_device(void) |
| 655 | { |
| 656 | struct usb_dev_handle *handle; |
| 657 | struct usb_device *dev; |
| 658 | struct usb_bus *bus; |
| 659 | int i, ret; |
| 660 | |
| 661 | ret = usb_find_busses(); |
| 662 | if (ret <= 0) { |
| 663 | fprintf(stderr, "Can't find USB busses\n"); |
| 664 | return NULL; |
| 665 | } |
| 666 | |
| 667 | ret = usb_find_devices(); |
| 668 | if (ret <= 0) { |
| 669 | fprintf(stderr, "Can't find USB devices\n"); |
| 670 | return NULL; |
| 671 | } |
| 672 | |
| 673 | bus = usb_get_busses(); |
| 674 | for (; bus; bus = bus->next) |
| 675 | { |
| 676 | for (dev = bus->devices; dev; dev = dev->next) |
| 677 | { |
| 678 | for (i = 0; i < array_size(g_devices); i++) |
| 679 | { |
| 680 | if (dev->descriptor.idVendor == g_devices[i].vendor && |
| 681 | dev->descriptor.idProduct == g_devices[i].product) |
| 682 | goto found; |
| 683 | } |
| 684 | } |
| 685 | } |
| 686 | |
| 687 | fprintf(stderr, "device not found.\n"); |
| 688 | return NULL; |
| 689 | |
| 690 | found: |
| 691 | printf("found %s.\n", g_devices[i].name); |
| 692 | |
| 693 | handle = usb_open(dev); |
| 694 | if (handle == NULL) { |
| 695 | fprintf(stderr, "failed to open device:\n"); |
| 696 | fprintf(stderr, "%s\n", usb_strerror()); |
| 697 | return NULL; |
| 698 | } |
| 699 | |
| 700 | ret = usb_set_configuration(handle, 1); |
| 701 | if (ret != 0) { |
| 702 | fprintf(stderr, "couldn't set configuration for /*/bus/usb/%s/%s:\n", |
| 703 | bus->dirname, dev->filename); |
| 704 | fprintf(stderr, "%s (%d)\n", usb_strerror(), ret); |
| 705 | return NULL; |
| 706 | } |
| 707 | |
| 708 | ret = usb_claim_interface(handle, 0); |
| 709 | if (ret != 0) { |
| 710 | fprintf(stderr, "couldn't claim /*/bus/usb/%s/%s:\n", |
| 711 | bus->dirname, dev->filename); |
| 712 | fprintf(stderr, "%s (%d)\n", usb_strerror(), ret); |
| 713 | return NULL; |
| 714 | } |
| 715 | |
| 716 | return handle; |
| 717 | } |
| 718 | |
| 719 | static void release_device(struct usb_dev_handle *device) |
| 720 | { |
| 721 | usb_release_interface(device, 0); |
| 722 | usb_close(device); |
| 723 | } |
| 724 | |
| 725 | static void usage(const char *app_name) |
| 726 | { |
| 727 | printf("Flasher tool for MX game devices\n" |
| 728 | "written by Grazvydas \"notaz\" Ignotas\n"); |
| 729 | printf("v" VERSION " (" __DATE__ ")\n\n"); |
| 730 | printf("Usage:\n" |
| 731 | "%s [-i] [-g] [-e] [-r [file]] [-w <file>]\n" |
| 732 | " -i print some info about connected device\n" |
| 733 | " -g print some info about game ROM inside device\n" |
| 734 | " -e erase whole flash ROM in device\n" |
| 735 | " -f use different erase method\n" |
| 736 | " -r [file] copy game image from device to file; can autodetect filename\n" |
| 737 | " -w <file> write file to device\n" |
| 738 | " -v with -w: verify written file\n", |
| 739 | app_name); |
| 740 | } |
| 741 | |
| 742 | int main(int argc, char *argv[]) |
| 743 | { |
| 744 | int pr_dev_info = 0, pr_rom_info = 0, do_erase_size = 0; |
| 745 | int erase_method = 0, do_read = 0, do_verify = 0; |
| 746 | struct usb_dev_handle *device; |
| 747 | char *r_fname = NULL, *w_fname = NULL; |
| 748 | void *r_fdata = NULL, *w_fdata = NULL; |
| 749 | char r_fname_buff[65]; |
| 750 | FILE *file = NULL; |
| 751 | int file_size = 0; |
| 752 | int i, ret = 0; |
| 753 | |
| 754 | for (i = 1; i < argc; i++) |
| 755 | { |
| 756 | if (argv[i][0] != '-') |
| 757 | break; |
| 758 | |
| 759 | switch (argv[i][1]) { |
| 760 | case 'i': |
| 761 | pr_dev_info = 1; |
| 762 | break; |
| 763 | case 'g': |
| 764 | pr_rom_info = 1; |
| 765 | break; |
| 766 | case 'e': |
| 767 | do_erase_size = 0x400000; |
| 768 | break; |
| 769 | case 'f': |
| 770 | erase_method = 1; |
| 771 | break; |
| 772 | case 'v': |
| 773 | do_verify = 1; |
| 774 | break; |
| 775 | case 'r': |
| 776 | do_read = 1; |
| 777 | if (argv[i+1] && (argv[i+1][0] != '-' || argv[i+1][2] != ' ')) |
| 778 | r_fname = argv[++i]; |
| 779 | break; |
| 780 | case 'w': |
| 781 | if (argv[i+1] && (argv[i+1][0] != '-' || argv[i+1][2] != ' ')) |
| 782 | w_fname = argv[++i]; |
| 783 | else |
| 784 | goto breakloop; |
| 785 | break; |
| 786 | default: |
| 787 | goto breakloop; |
| 788 | } |
| 789 | } |
| 790 | |
| 791 | breakloop: |
| 792 | if (i <= 1 || i < argc) { |
| 793 | usage(argv[0]); |
| 794 | return 1; |
| 795 | } |
| 796 | |
| 797 | if (w_fname != NULL) { |
| 798 | file = fopen(w_fname, "rb"); |
| 799 | if (file == NULL) { |
| 800 | fprintf(stderr, "can't open file: %s\n", w_fname); |
| 801 | return 1; |
| 802 | } |
| 803 | fseek(file, 0, SEEK_END); |
| 804 | file_size = ftell(file); |
| 805 | fseek(file, 0, SEEK_SET); |
| 806 | if (file_size > 0x400000) |
| 807 | fprintf(stderr, "warning: input file too large\n"); |
| 808 | if (file_size < 0) { |
| 809 | fprintf(stderr, "bad/empty file: %s\n", w_fname); |
| 810 | fclose(file); |
| 811 | return 1; |
| 812 | } |
| 813 | |
| 814 | w_fdata = malloc(file_size); |
| 815 | if (w_fdata == NULL) { |
| 816 | fprintf(stderr, "low memory\n"); |
| 817 | fclose(file); |
| 818 | return 1; |
| 819 | } |
| 820 | |
| 821 | ret = fread(w_fdata, 1, file_size, file); |
| 822 | fclose(file); |
| 823 | if (ret != file_size) { |
| 824 | fprintf(stderr, "failed to read file: %s\n", w_fname); |
| 825 | return 1; |
| 826 | } |
| 827 | |
| 828 | if (do_erase_size < file_size) |
| 829 | do_erase_size = file_size; |
| 830 | } else if (do_verify) { |
| 831 | fprintf(stderr, "warning: -w not specified, -v ignored.\n"); |
| 832 | do_verify = 0; |
| 833 | } |
| 834 | |
| 835 | usb_init(); |
| 836 | |
| 837 | device = get_device(); |
| 838 | if (device == NULL) |
| 839 | return 1; |
| 840 | |
| 841 | if (pr_dev_info) { |
| 842 | ret = print_device_info(device); |
| 843 | if (ret < 0) |
| 844 | goto end; |
| 845 | } |
| 846 | |
| 847 | if (pr_rom_info) { |
| 848 | ret = print_game_info(device); |
| 849 | if (ret < 0) |
| 850 | goto end; |
| 851 | } |
| 852 | |
| 853 | /* erase */ |
| 854 | if (do_erase_size != 0) { |
| 855 | if (erase_method) |
| 856 | ret = erase_all(device, do_erase_size); |
| 857 | else |
| 858 | ret = erase_seq(device, do_erase_size); |
| 859 | if (ret < 0) |
| 860 | goto end; |
| 861 | } |
| 862 | |
| 863 | /* write */ |
| 864 | if (w_fdata != NULL) { |
| 865 | char *p; |
| 866 | |
| 867 | ret = read_write_rom(device, 0, w_fdata, file_size, 1); |
| 868 | if (ret < 0) |
| 869 | goto end; |
| 870 | |
| 871 | p = strrchr(w_fname, '/'); |
| 872 | if (p == NULL) |
| 873 | p = w_fname; |
| 874 | else |
| 875 | p++; |
| 876 | |
| 877 | ret = write_filename(device, p, FILENAME_ROM0); |
| 878 | if (ret < 0) |
| 879 | fprintf(stderr, "warning: failed to save ROM filename\n"); |
| 880 | } |
| 881 | |
| 882 | /* read, verify */ |
| 883 | if (do_read && r_fname == NULL) { |
| 884 | ret = read_filename(device, r_fname_buff, sizeof(r_fname_buff), FILENAME_ROM0); |
| 885 | if (ret < 0) |
| 886 | return ret; |
| 887 | r_fname = r_fname_buff; |
| 888 | if (r_fname[0] == 0) |
| 889 | r_fname = "rom.gen"; |
| 890 | } |
| 891 | |
| 892 | if (r_fname != NULL || do_verify) { |
| 893 | r_fdata = malloc(0x400000); |
| 894 | if (r_fdata == NULL) { |
| 895 | fprintf(stderr, "low mem\n"); |
| 896 | goto end; |
| 897 | } |
| 898 | |
| 899 | ret = read_write_rom(device, 0, r_fdata, 0x400000, 0); |
| 900 | if (ret < 0) |
| 901 | goto end; |
| 902 | } |
| 903 | |
| 904 | if (do_verify) { |
| 905 | ret = memcmp(w_fdata, r_fdata, file_size); |
| 906 | if (ret == 0) |
| 907 | printf("verification passed.\n"); |
| 908 | else |
| 909 | printf("verification failed!\n"); |
| 910 | } |
| 911 | |
| 912 | if (r_fname != NULL) { |
| 913 | file = fopen(r_fname, "wb"); |
| 914 | if (file == NULL) { |
| 915 | fprintf(stderr, "can't open for writing: %s\n", r_fname); |
| 916 | goto end; |
| 917 | } |
| 918 | ret = fwrite(r_fdata, 1, 0x400000, file); |
| 919 | fclose(file); |
| 920 | if (ret != 0x400000) |
| 921 | fprintf(stderr, "write failed to %s\n", r_fname); |
| 922 | else |
| 923 | printf("saved to %s\n", r_fname); |
| 924 | } |
| 925 | |
| 926 | end: |
| 927 | if (w_fdata != NULL) |
| 928 | free(w_fdata); |
| 929 | if (r_fdata != NULL) |
| 930 | free(r_fdata); |
| 931 | |
| 932 | release_device(device); |
| 933 | |
| 934 | return ret; |
| 935 | } |
| 936 | |