| 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 | #define IO_RAM_BLK_SIZE 256 |
| 26 | |
| 27 | #define CMD_ATM_READY 0x22 |
| 28 | #define CMD_SEC_GET_NAME 'G' /* filename r/w */ |
| 29 | #define CMD_SEC_PUT_NAME 'P' |
| 30 | #define CMD_SEC_DEVID 'L' /* read flash device ID */ |
| 31 | #define CMD_SEC_ERASE 'E' |
| 32 | #define CMD_SEC_READY 'C' /* is flash ready? */ |
| 33 | #define CMD_SEC_READ 'R' |
| 34 | #define CMD_SEC_WRITE 'W' |
| 35 | #define CMD_SEC_RAM_READ 'D' |
| 36 | #define CMD_SEC_RAM_WRITE 'U' |
| 37 | |
| 38 | /* bus controllers */ |
| 39 | #define CTL_DATA_BUS 0x55 |
| 40 | #define CTL_ADDR_BUS 0xAA |
| 41 | |
| 42 | #define W_COUNTER 0xA0 |
| 43 | #define W_CNT_WRITE 0x01 |
| 44 | #define W_CNT_READ 0x00 |
| 45 | |
| 46 | #define FILENAME_ROM0 0 |
| 47 | #define FILENAME_ROM1 1 |
| 48 | #define FILENAME_RAM 2 |
| 49 | |
| 50 | typedef struct { |
| 51 | u8 magic[4]; |
| 52 | u8 reserved[8]; |
| 53 | u8 write_flag; |
| 54 | u8 reserved2[2]; |
| 55 | u8 magic2; |
| 56 | u8 mx_cmd; |
| 57 | union { /* 0x11 */ |
| 58 | struct { |
| 59 | u8 which_device; |
| 60 | } dev_info; |
| 61 | struct { |
| 62 | u8 addrb2; /* most significant (BE) */ |
| 63 | u8 addrb1; |
| 64 | u8 addrb0; |
| 65 | u8 param; /* 64 byte usb packets for i/o */ |
| 66 | u8 param2; |
| 67 | } rom_rw; |
| 68 | struct { |
| 69 | u8 which; |
| 70 | } filename; |
| 71 | struct { |
| 72 | u8 cmd; |
| 73 | u8 action; |
| 74 | u8 b0; /* LE */ |
| 75 | u8 b1; |
| 76 | u8 b2; |
| 77 | u8 b3; |
| 78 | } write_cnt; |
| 79 | struct { |
| 80 | u8 which; |
| 81 | u8 dev_id; |
| 82 | } rom_id; |
| 83 | }; |
| 84 | u8 pad[8]; |
| 85 | } dev_cmd_t; |
| 86 | |
| 87 | typedef struct { |
| 88 | u8 firmware_ver[4]; |
| 89 | u8 bootloader_ver[4]; |
| 90 | char names[56]; |
| 91 | } dev_info_t; |
| 92 | |
| 93 | typedef struct { |
| 94 | u32 start_addr; |
| 95 | u32 end_addr; |
| 96 | u32 page_size; |
| 97 | } page_table_t; |
| 98 | |
| 99 | static const page_table_t p_AM29LV320DB[] = |
| 100 | { |
| 101 | { 0x000000, 0x00ffff, 0x002000 }, |
| 102 | { 0x010000, 0x3fffff, 0x010000 }, |
| 103 | { 0x000000, 0x000000, 0x000000 }, |
| 104 | }; |
| 105 | |
| 106 | static const page_table_t p_AM29LV320DT[] = |
| 107 | { |
| 108 | { 0x000000, 0x3effff, 0x010000 }, |
| 109 | { 0x3f0000, 0x3fffff, 0x002000 }, |
| 110 | { 0x000000, 0x000000, 0x000000 }, |
| 111 | }; |
| 112 | |
| 113 | static const page_table_t p_2x_16[] = |
| 114 | { |
| 115 | { 0x000000, 0x003fff, 0x004000 }, |
| 116 | { 0x004000, 0x007fff, 0x002000 }, |
| 117 | { 0x008000, 0x00ffff, 0x008000 }, |
| 118 | { 0x010000, 0x1fffff, 0x010000 }, |
| 119 | { 0x200000, 0x203fff, 0x004000 }, |
| 120 | { 0x204000, 0x207fff, 0x002000 }, |
| 121 | { 0x208000, 0x20ffff, 0x008000 }, |
| 122 | { 0x210000, 0x3fffff, 0x010000 }, |
| 123 | { 0x000000, 0x000000, 0x000000 }, |
| 124 | }; |
| 125 | |
| 126 | /*****************************************************************************/ |
| 127 | |
| 128 | static void prepare_cmd(dev_cmd_t *dev_cmd, u8 cmd) |
| 129 | { |
| 130 | memset(dev_cmd, 0, sizeof(*dev_cmd)); |
| 131 | |
| 132 | memcpy(dev_cmd->magic, "USBC", 4); |
| 133 | dev_cmd->magic2 = 0x67; /* MySCSICommand, EXCOMMAND */ |
| 134 | dev_cmd->mx_cmd = cmd; |
| 135 | } |
| 136 | |
| 137 | static int write_data(struct usb_dev_handle *dev, void *data, int len) |
| 138 | { |
| 139 | int ret = usb_bulk_write(dev, 0x03, data, len, 2000); |
| 140 | if (ret < 0) { |
| 141 | fprintf(stderr, "failed to write:\n"); |
| 142 | fprintf(stderr, "%s (%d)\n", usb_strerror(), ret); |
| 143 | } else if (ret != len) |
| 144 | printf("write_cmd: wrote only %d of %d bytes\n", ret, len); |
| 145 | |
| 146 | return ret; |
| 147 | } |
| 148 | |
| 149 | static int write_cmd(struct usb_dev_handle *dev, dev_cmd_t *cmd) |
| 150 | { |
| 151 | return write_data(dev, cmd, sizeof(*cmd)); |
| 152 | } |
| 153 | |
| 154 | static int read_data(struct usb_dev_handle *dev, void *buff, int size) |
| 155 | { |
| 156 | int ret = usb_bulk_read(dev, 0x82, buff, size, 2000); |
| 157 | if (ret < 0) { |
| 158 | fprintf(stderr, "failed to read:\n"); |
| 159 | fprintf(stderr, "%s (%d)\n", usb_strerror(), ret); |
| 160 | } |
| 161 | /* |
| 162 | else if (ret != size) |
| 163 | printf("read_data: read only %d of %d bytes\n", ret, size); |
| 164 | */ |
| 165 | return ret; |
| 166 | } |
| 167 | |
| 168 | static int read_info(struct usb_dev_handle *device, u8 ctl_id, dev_info_t *info) |
| 169 | { |
| 170 | dev_cmd_t cmd; |
| 171 | int ret; |
| 172 | |
| 173 | prepare_cmd(&cmd, CMD_ATM_READY); |
| 174 | cmd.dev_info.which_device = ctl_id; |
| 175 | memset(info, 0, sizeof(*info)); |
| 176 | |
| 177 | ret = write_cmd(device, &cmd); |
| 178 | if (ret < 0) |
| 179 | return ret; |
| 180 | |
| 181 | ret = read_data(device, info, sizeof(*info)); |
| 182 | if (ret < 0) |
| 183 | return ret; |
| 184 | |
| 185 | return 0; |
| 186 | } |
| 187 | |
| 188 | static void printf_info(dev_info_t *info) |
| 189 | { |
| 190 | printf(" firmware version: %X.%X.%X%c\n", info->firmware_ver[0], |
| 191 | info->firmware_ver[1], info->firmware_ver[2], info->firmware_ver[3]); |
| 192 | printf(" bootloader version: %X.%X.%X%c\n", info->bootloader_ver[0], |
| 193 | info->bootloader_ver[1], info->bootloader_ver[2], info->bootloader_ver[3]); |
| 194 | info->names[sizeof(info->names) - 1] = 0; |
| 195 | printf(" device name: %s\n", info->names); |
| 196 | } |
| 197 | |
| 198 | static void print_progress(u32 done, u32 total) |
| 199 | { |
| 200 | int i, step; |
| 201 | |
| 202 | printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"); |
| 203 | printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"); /* 20 */ |
| 204 | printf("\b\b\b\b\b\b"); |
| 205 | printf("%06x/%06x |", done, total); |
| 206 | |
| 207 | step = total / 20; |
| 208 | for (i = step; i <= total; i += step) |
| 209 | printf("%c", done >= i ? '=' : '-'); |
| 210 | printf("| %3d%%", done * 100 / total); |
| 211 | fflush(stdout); |
| 212 | } |
| 213 | |
| 214 | static int read_filename(struct usb_dev_handle *dev, char *dst, int len, u8 which) |
| 215 | { |
| 216 | char buff[65]; |
| 217 | dev_cmd_t cmd; |
| 218 | int ret; |
| 219 | |
| 220 | prepare_cmd(&cmd, CMD_SEC_GET_NAME); |
| 221 | cmd.filename.which = which; |
| 222 | memset(buff, 0, sizeof(buff)); |
| 223 | |
| 224 | ret = write_cmd(dev, &cmd); |
| 225 | if (ret < 0) |
| 226 | return ret; |
| 227 | |
| 228 | ret = read_data(dev, buff, 64); |
| 229 | if (ret < 0) |
| 230 | return ret; |
| 231 | |
| 232 | strncpy(dst, buff, len); |
| 233 | dst[len - 1] = 0; |
| 234 | |
| 235 | return 0; |
| 236 | } |
| 237 | |
| 238 | static int write_filename(struct usb_dev_handle *dev, const char *fname, u8 which) |
| 239 | { |
| 240 | dev_cmd_t cmd; |
| 241 | char buff[64]; |
| 242 | int ret, len; |
| 243 | |
| 244 | len = strlen(fname); |
| 245 | if (len > 63) |
| 246 | len = 63; |
| 247 | strncpy(buff, fname, len); |
| 248 | buff[len] = 0; |
| 249 | |
| 250 | prepare_cmd(&cmd, CMD_SEC_PUT_NAME); |
| 251 | cmd.filename.which = which; |
| 252 | |
| 253 | ret = write_cmd(dev, &cmd); |
| 254 | if (ret < 0) |
| 255 | return ret; |
| 256 | |
| 257 | return write_data(dev, buff, len + 1); |
| 258 | } |
| 259 | |
| 260 | static int read_erase_counter(struct usb_dev_handle *dev, u32 *val) |
| 261 | { |
| 262 | dev_info_t dummy_info; |
| 263 | dev_cmd_t cmd; |
| 264 | u8 buff[4]; |
| 265 | int ret; |
| 266 | |
| 267 | /* must perform dummy info read here, |
| 268 | * or else device hangs after close (firmware bug?) */ |
| 269 | ret = read_info(dev, CTL_DATA_BUS, &dummy_info); |
| 270 | if (ret < 0) |
| 271 | return ret; |
| 272 | |
| 273 | prepare_cmd(&cmd, CMD_ATM_READY); |
| 274 | cmd.write_cnt.cmd = W_COUNTER; |
| 275 | cmd.write_cnt.action = W_CNT_READ; |
| 276 | |
| 277 | ret = write_cmd(dev, &cmd); |
| 278 | if (ret < 0) |
| 279 | return ret; |
| 280 | |
| 281 | ret = read_data(dev, buff, sizeof(buff)); |
| 282 | if (ret < 0) |
| 283 | return ret; |
| 284 | |
| 285 | *val = *(u32 *)buff; |
| 286 | return 0; |
| 287 | } |
| 288 | |
| 289 | static int read_flash_rom_id(struct usb_dev_handle *dev, int is_second, u32 *val) |
| 290 | { |
| 291 | dev_cmd_t cmd; |
| 292 | u8 buff[2]; |
| 293 | int ret; |
| 294 | |
| 295 | prepare_cmd(&cmd, CMD_SEC_DEVID); |
| 296 | cmd.rom_id.which = is_second ? 0x10 : 0; |
| 297 | cmd.rom_id.dev_id = 0; |
| 298 | |
| 299 | ret = write_cmd(dev, &cmd); |
| 300 | if (ret < 0) |
| 301 | return ret; |
| 302 | |
| 303 | ret = read_data(dev, buff, sizeof(buff)); |
| 304 | if (ret < 0) |
| 305 | return ret; |
| 306 | |
| 307 | *val = *(u16 *)buff << 16; |
| 308 | |
| 309 | cmd.rom_id.dev_id = 1; |
| 310 | ret = write_cmd(dev, &cmd); |
| 311 | if (ret < 0) |
| 312 | return ret; |
| 313 | |
| 314 | ret = read_data(dev, buff, sizeof(buff)); |
| 315 | if (ret < 0) |
| 316 | return ret; |
| 317 | |
| 318 | *val |= *(u16 *)buff; |
| 319 | return 0; |
| 320 | } |
| 321 | |
| 322 | static const page_table_t *get_page_table(u32 rom_id) |
| 323 | { |
| 324 | switch (rom_id) { |
| 325 | case 0x0100F922: |
| 326 | return p_AM29LV320DB; |
| 327 | case 0x0100F422: |
| 328 | return p_AM29LV320DT; |
| 329 | case 0x01004922: |
| 330 | case 0xC2004922: |
| 331 | return p_2x_16; |
| 332 | default: |
| 333 | fprintf(stderr, "unrecognized ROM id: %08x\n", rom_id); |
| 334 | } |
| 335 | |
| 336 | return NULL; |
| 337 | } |
| 338 | |
| 339 | static int get_page_size(const page_table_t *table, u32 addr, u32 *size) |
| 340 | { |
| 341 | const page_table_t *t; |
| 342 | |
| 343 | for (t = table; t->end_addr != 0; t++) { |
| 344 | if (addr >= t->start_addr && addr <= t->end_addr) { |
| 345 | *size = t->page_size; |
| 346 | return 0; |
| 347 | } |
| 348 | } |
| 349 | |
| 350 | if (addr == t[-1].end_addr + 1) |
| 351 | return 1; /* no more */ |
| 352 | |
| 353 | fprintf(stderr, "get_page_size: failed on addr %06x\n", addr); |
| 354 | return -1; |
| 355 | } |
| 356 | |
| 357 | /* limitations: |
| 358 | * - bytes must be multiple of 64 |
| 359 | * - bytes must be less than 16k |
| 360 | * - must perform even number of reads, or dev hangs on exit (firmware bug?) */ |
| 361 | static int rw_dev_block(struct usb_dev_handle *dev, u32 addr, void *buffer, int bytes, int mx_cmd) |
| 362 | { |
| 363 | dev_cmd_t cmd; |
| 364 | int ret; |
| 365 | |
| 366 | prepare_cmd(&cmd, mx_cmd); |
| 367 | if (mx_cmd == CMD_SEC_WRITE || mx_cmd == CMD_SEC_RAM_WRITE) |
| 368 | cmd.write_flag = 1; |
| 369 | cmd.rom_rw.addrb2 = addr >> (16 + 1); |
| 370 | cmd.rom_rw.addrb1 = addr >> (8 + 1); |
| 371 | cmd.rom_rw.addrb0 = addr >> 1; |
| 372 | cmd.rom_rw.param = bytes / 64; |
| 373 | if (mx_cmd == CMD_SEC_WRITE || mx_cmd == CMD_SEC_RAM_WRITE) |
| 374 | cmd.rom_rw.param2 = 1; /* ? */ |
| 375 | |
| 376 | ret = write_cmd(dev, &cmd); |
| 377 | if (ret < 0) |
| 378 | return ret; |
| 379 | |
| 380 | bytes &= ~63; |
| 381 | |
| 382 | if (mx_cmd == CMD_SEC_WRITE || mx_cmd == CMD_SEC_RAM_WRITE) |
| 383 | ret = write_data(dev, buffer, bytes); |
| 384 | else |
| 385 | ret = read_data(dev, buffer, bytes); |
| 386 | if (ret < 0) |
| 387 | return ret; |
| 388 | |
| 389 | if (ret != bytes) |
| 390 | fprintf(stderr, "rw_dev_block warning: done only %d/%d bytes\n", ret, bytes); |
| 391 | |
| 392 | return ret; |
| 393 | } |
| 394 | |
| 395 | static int read_write_rom(struct usb_dev_handle *dev, u32 addr, void *buffer, int bytes, int is_write) |
| 396 | { |
| 397 | int mx_cmd = is_write ? CMD_SEC_WRITE : CMD_SEC_READ; |
| 398 | int total_bytes = bytes; |
| 399 | u8 *buff = buffer; |
| 400 | u8 dummy[64 * 4]; |
| 401 | int count, ret; |
| 402 | |
| 403 | if (addr & 1) |
| 404 | fprintf(stderr, "read_write_rom: can't handle odd address %06x, " |
| 405 | "LSb will be ignored\n", addr); |
| 406 | if (bytes & 63) |
| 407 | fprintf(stderr, "read_write_rom: byte count must be multiple of 64, " |
| 408 | "last %d bytes will not be handled\n", bytes & 63); |
| 409 | |
| 410 | printf("%s flash ROM...\n", is_write ? "writing to" : "reading"); |
| 411 | |
| 412 | /* do i/o in blocks */ |
| 413 | for (count = 0; bytes >= IO_BLK_SIZE; count++) { |
| 414 | print_progress(buff - (u8 *)buffer, total_bytes); |
| 415 | |
| 416 | ret = rw_dev_block(dev, addr, buff, IO_BLK_SIZE, mx_cmd); |
| 417 | if (ret < 0) |
| 418 | return ret; |
| 419 | buff += IO_BLK_SIZE; |
| 420 | addr += IO_BLK_SIZE; |
| 421 | bytes -= IO_BLK_SIZE; |
| 422 | } |
| 423 | print_progress(buff - (u8 *)buffer, total_bytes); |
| 424 | |
| 425 | ret = 0; |
| 426 | if (bytes != 0) { |
| 427 | ret = rw_dev_block(dev, addr, buff, bytes, mx_cmd); |
| 428 | count++; |
| 429 | print_progress(total_bytes, total_bytes); |
| 430 | } |
| 431 | |
| 432 | if (count & 1) |
| 433 | /* work around rw_dev_block() limitation 3 (works for reads only?) */ |
| 434 | rw_dev_block(dev, 0, dummy, sizeof(dummy), 0); |
| 435 | |
| 436 | printf("\n"); |
| 437 | return ret; |
| 438 | } |
| 439 | |
| 440 | static int read_write_ram(struct usb_dev_handle *dev, void *buffer, int bytes, int is_write) |
| 441 | { |
| 442 | int mx_cmd = is_write ? CMD_SEC_RAM_WRITE : CMD_SEC_RAM_READ; |
| 443 | int total_bytes = bytes; |
| 444 | u8 *buff = buffer; |
| 445 | u32 addr = 0x200000; |
| 446 | int ret = 0; |
| 447 | |
| 448 | if (bytes % IO_RAM_BLK_SIZE) |
| 449 | fprintf(stderr, "read_write_ram: byte count must be multiple of %d, " |
| 450 | "last %d bytes will not be handled\n", IO_RAM_BLK_SIZE, |
| 451 | bytes % IO_RAM_BLK_SIZE); |
| 452 | |
| 453 | printf("%s RAM...\n", is_write ? "writing to" : "reading"); |
| 454 | |
| 455 | /* do i/o in blocks */ |
| 456 | while (bytes >= IO_RAM_BLK_SIZE) { |
| 457 | print_progress(buff - (u8 *)buffer, total_bytes); |
| 458 | |
| 459 | ret = rw_dev_block(dev, addr, buff, IO_RAM_BLK_SIZE, mx_cmd); |
| 460 | if (ret < 0) |
| 461 | return ret; |
| 462 | buff += IO_RAM_BLK_SIZE; |
| 463 | addr += IO_RAM_BLK_SIZE; |
| 464 | bytes -= IO_RAM_BLK_SIZE; |
| 465 | } |
| 466 | print_progress(buff - (u8 *)buffer, total_bytes); |
| 467 | |
| 468 | printf("\n"); |
| 469 | return ret; |
| 470 | |
| 471 | } |
| 472 | |
| 473 | static int increment_erase_cnt(struct usb_dev_handle *dev) |
| 474 | { |
| 475 | dev_cmd_t cmd; |
| 476 | u8 buff[4]; |
| 477 | u32 cnt; |
| 478 | int ret; |
| 479 | |
| 480 | ret = read_erase_counter(dev, &cnt); |
| 481 | if (ret != 0) |
| 482 | return ret; |
| 483 | |
| 484 | if (cnt == (u32)-1) { |
| 485 | fprintf(stderr, "flash erase counter maxed out!\n"); |
| 486 | fprintf(stderr, "(wow, did you really erase so many times?)\n"); |
| 487 | return -1; |
| 488 | } |
| 489 | |
| 490 | cnt++; |
| 491 | |
| 492 | prepare_cmd(&cmd, CMD_ATM_READY); |
| 493 | cmd.write_cnt.cmd = W_COUNTER; |
| 494 | cmd.write_cnt.action = W_CNT_WRITE; |
| 495 | cmd.write_cnt.b3 = cnt >> 24; |
| 496 | cmd.write_cnt.b2 = cnt >> 16; |
| 497 | cmd.write_cnt.b1 = cnt >> 8; |
| 498 | cmd.write_cnt.b0 = cnt; |
| 499 | |
| 500 | ret = write_cmd(dev, &cmd); |
| 501 | if (ret < 0) |
| 502 | return ret; |
| 503 | |
| 504 | ret = read_data(dev, buff, sizeof(buff)); |
| 505 | if (ret < 0) |
| 506 | return ret; |
| 507 | |
| 508 | return 0; |
| 509 | } |
| 510 | |
| 511 | static int erase_page(struct usb_dev_handle *dev, u32 addr, int whole) |
| 512 | { |
| 513 | dev_cmd_t cmd; |
| 514 | u8 buff[5]; |
| 515 | int i, ret; |
| 516 | |
| 517 | prepare_cmd(&cmd, CMD_SEC_ERASE); |
| 518 | cmd.write_flag = 1; |
| 519 | cmd.rom_rw.addrb2 = addr >> (16 + 1); |
| 520 | cmd.rom_rw.addrb1 = addr >> (8 + 1); |
| 521 | cmd.rom_rw.addrb0 = addr >> 1; |
| 522 | cmd.rom_rw.param = whole ? 0x10 : 0; |
| 523 | |
| 524 | ret = write_cmd(dev, &cmd); |
| 525 | if (ret < 0) |
| 526 | return ret; |
| 527 | |
| 528 | ret = read_data(dev, buff, sizeof(buff)); |
| 529 | if (ret < 0) |
| 530 | return ret; |
| 531 | |
| 532 | prepare_cmd(&cmd, CMD_SEC_READY); |
| 533 | cmd.rom_rw.addrb2 = addr >> (16 + 1); |
| 534 | cmd.rom_rw.addrb1 = addr >> (8 + 1); |
| 535 | cmd.rom_rw.addrb0 = addr >> 1; |
| 536 | |
| 537 | for (i = 0; i < 100; i++) { |
| 538 | ret = write_cmd(dev, &cmd); |
| 539 | if (ret < 0) |
| 540 | return ret; |
| 541 | |
| 542 | ret = read_data(dev, buff, sizeof(buff)); |
| 543 | if (ret < 0) |
| 544 | return ret; |
| 545 | |
| 546 | if (ret > 4 && buff[4] == 1) |
| 547 | break; |
| 548 | |
| 549 | usleep((whole ? 600 : 20) * 1000); |
| 550 | } |
| 551 | |
| 552 | if (i == 100) { |
| 553 | fprintf(stderr, "\ntimeout waiting for erase to complete\n"); |
| 554 | return -1; |
| 555 | } |
| 556 | |
| 557 | return 0; |
| 558 | } |
| 559 | |
| 560 | static int erase_seq(struct usb_dev_handle *dev, u32 size) |
| 561 | { |
| 562 | const page_table_t *table; |
| 563 | u32 addr, page_size = 0; |
| 564 | u32 rom0_id, rom1_id; |
| 565 | int count, ret; |
| 566 | |
| 567 | ret = read_flash_rom_id(dev, 0, &rom0_id); |
| 568 | if (ret < 0) |
| 569 | return ret; |
| 570 | |
| 571 | ret = read_flash_rom_id(dev, 1, &rom1_id); |
| 572 | if (ret < 0) |
| 573 | return ret; |
| 574 | |
| 575 | if (rom0_id != rom1_id) |
| 576 | fprintf(stderr, "Warning: flash ROM ids differ: %08x %08x\n", |
| 577 | rom0_id, rom1_id); |
| 578 | |
| 579 | table = get_page_table(rom0_id); |
| 580 | if (table == NULL) |
| 581 | return -1; |
| 582 | |
| 583 | printf("erasing flash...\n"); |
| 584 | |
| 585 | ret = increment_erase_cnt(dev); |
| 586 | if (ret != 0) |
| 587 | fprintf(stderr, "warning: coun't increase erase counter\n"); |
| 588 | |
| 589 | for (addr = 0, count = 0; addr < size; addr += page_size, count++) { |
| 590 | print_progress(addr, size); |
| 591 | |
| 592 | ret = erase_page(dev, addr, 0); |
| 593 | if (ret < 0) |
| 594 | return ret; |
| 595 | |
| 596 | ret = get_page_size(table, addr, &page_size); |
| 597 | if (ret != 0) |
| 598 | break; |
| 599 | } |
| 600 | |
| 601 | if (count & 1) |
| 602 | /* ??? */ |
| 603 | /* must submit even number of erase commands (fw bug?) */ |
| 604 | erase_page(dev, 0, 0); |
| 605 | |
| 606 | print_progress(addr, size); |
| 607 | printf("\n"); |
| 608 | |
| 609 | return ret; |
| 610 | } |
| 611 | |
| 612 | static int erase_all(struct usb_dev_handle *dev, u32 size) |
| 613 | { |
| 614 | int ret; |
| 615 | |
| 616 | printf("erasing flash0..."); |
| 617 | fflush(stdout); |
| 618 | |
| 619 | ret = increment_erase_cnt(dev); |
| 620 | if (ret != 0) |
| 621 | fprintf(stderr, "warning: couldn't increase erase counter\n"); |
| 622 | |
| 623 | ret = erase_page(dev, 0xaaa, 1); |
| 624 | if (ret != 0) |
| 625 | return ret; |
| 626 | |
| 627 | if (size > 0x200000) { |
| 628 | printf(" done.\n"); |
| 629 | printf("erasing flash1..."); |
| 630 | fflush(stdout); |
| 631 | |
| 632 | ret = erase_page(dev, 0x200aaa, 1); |
| 633 | } |
| 634 | |
| 635 | printf(" done.\n"); |
| 636 | return ret; |
| 637 | } |
| 638 | |
| 639 | static int print_device_info(struct usb_dev_handle *dev) |
| 640 | { |
| 641 | u32 counter, rom0_id, rom1_id; |
| 642 | dev_info_t info; |
| 643 | int ret; |
| 644 | |
| 645 | printf("data bus controller:\n"); |
| 646 | ret = read_info(dev, CTL_DATA_BUS, &info); |
| 647 | if (ret < 0) |
| 648 | return ret; |
| 649 | printf_info(&info); |
| 650 | |
| 651 | printf("address bus controller:\n"); |
| 652 | ret = read_info(dev, CTL_ADDR_BUS, &info); |
| 653 | if (ret < 0) |
| 654 | return ret; |
| 655 | printf_info(&info); |
| 656 | |
| 657 | ret = read_erase_counter(dev, &counter); |
| 658 | if (ret < 0) |
| 659 | return ret; |
| 660 | printf("flash erase count: %u\n", counter); |
| 661 | |
| 662 | ret = read_flash_rom_id(dev, 0, &rom0_id); |
| 663 | if (ret < 0) |
| 664 | return ret; |
| 665 | printf("flash rom0 id: %08x\n", rom0_id); |
| 666 | |
| 667 | ret = read_flash_rom_id(dev, 1, &rom1_id); |
| 668 | if (ret < 0) |
| 669 | return ret; |
| 670 | printf("flash rom1 id: %08x\n", rom1_id); |
| 671 | |
| 672 | return 0; |
| 673 | } |
| 674 | |
| 675 | static int print_game_info(struct usb_dev_handle *dev) |
| 676 | { |
| 677 | char fname[65]; |
| 678 | int ret; |
| 679 | |
| 680 | ret = read_filename(dev, fname, sizeof(fname), FILENAME_ROM0); |
| 681 | if (ret < 0) |
| 682 | return ret; |
| 683 | printf("ROM filename: %s\n", fname); |
| 684 | |
| 685 | ret = read_filename(dev, fname, sizeof(fname), FILENAME_RAM); |
| 686 | if (ret < 0) |
| 687 | return ret; |
| 688 | printf("SRAM filename: %s\n", fname); |
| 689 | |
| 690 | return 0; |
| 691 | } |
| 692 | |
| 693 | static int read_file(const char *fname, void **buff_out, int *size, int limit) |
| 694 | { |
| 695 | int file_size, ret; |
| 696 | void *data; |
| 697 | FILE *file; |
| 698 | |
| 699 | file = fopen(fname, "rb"); |
| 700 | if (file == NULL) { |
| 701 | fprintf(stderr, "can't open file: %s\n", fname); |
| 702 | return -1; |
| 703 | } |
| 704 | |
| 705 | fseek(file, 0, SEEK_END); |
| 706 | file_size = ftell(file); |
| 707 | fseek(file, 0, SEEK_SET); |
| 708 | if (file_size > limit) |
| 709 | fprintf(stderr, "warning: input file \"%s\" too large\n", fname); |
| 710 | if (file_size < 0) { |
| 711 | fprintf(stderr, "bad/empty file: %s\n", fname); |
| 712 | goto fail; |
| 713 | } |
| 714 | |
| 715 | data = malloc(file_size); |
| 716 | if (data == NULL) { |
| 717 | fprintf(stderr, "low memory\n"); |
| 718 | goto fail; |
| 719 | } |
| 720 | |
| 721 | ret = fread(data, 1, file_size, file); |
| 722 | if (ret != file_size) { |
| 723 | fprintf(stderr, "failed to read file: %s\n", fname); |
| 724 | goto fail; |
| 725 | } |
| 726 | |
| 727 | *buff_out = data; |
| 728 | *size = file_size; |
| 729 | fclose(file); |
| 730 | return 0; |
| 731 | |
| 732 | fail: |
| 733 | fclose(file); |
| 734 | return -1; |
| 735 | } |
| 736 | |
| 737 | static int write_file(const char *fname, void *buff, int size) |
| 738 | { |
| 739 | FILE *file; |
| 740 | int ret; |
| 741 | |
| 742 | file = fopen(fname, "wb"); |
| 743 | if (file == NULL) { |
| 744 | fprintf(stderr, "can't open for writing: %s\n", fname); |
| 745 | return -1; |
| 746 | } |
| 747 | |
| 748 | ret = fwrite(fname, 1, size, file); |
| 749 | fclose(file); |
| 750 | if (ret != size) |
| 751 | fprintf(stderr, "write failed to %s\n", fname); |
| 752 | else |
| 753 | printf("saved to %s.\n", fname); |
| 754 | |
| 755 | return 0; |
| 756 | } |
| 757 | |
| 758 | static usb_dev_handle *get_device(void) |
| 759 | { |
| 760 | struct usb_dev_handle *handle; |
| 761 | struct usb_device *dev; |
| 762 | struct usb_bus *bus; |
| 763 | int i, ret; |
| 764 | |
| 765 | ret = usb_find_busses(); |
| 766 | if (ret <= 0) { |
| 767 | fprintf(stderr, "Can't find USB busses\n"); |
| 768 | return NULL; |
| 769 | } |
| 770 | |
| 771 | ret = usb_find_devices(); |
| 772 | if (ret <= 0) { |
| 773 | fprintf(stderr, "Can't find USB devices\n"); |
| 774 | return NULL; |
| 775 | } |
| 776 | |
| 777 | bus = usb_get_busses(); |
| 778 | for (; bus; bus = bus->next) |
| 779 | { |
| 780 | for (dev = bus->devices; dev; dev = dev->next) |
| 781 | { |
| 782 | for (i = 0; i < array_size(g_devices); i++) |
| 783 | { |
| 784 | if (dev->descriptor.idVendor == g_devices[i].vendor && |
| 785 | dev->descriptor.idProduct == g_devices[i].product) |
| 786 | goto found; |
| 787 | } |
| 788 | } |
| 789 | } |
| 790 | |
| 791 | fprintf(stderr, "device not found.\n"); |
| 792 | return NULL; |
| 793 | |
| 794 | found: |
| 795 | printf("found %s.\n", g_devices[i].name); |
| 796 | |
| 797 | handle = usb_open(dev); |
| 798 | if (handle == NULL) { |
| 799 | fprintf(stderr, "failed to open device:\n"); |
| 800 | fprintf(stderr, "%s\n", usb_strerror()); |
| 801 | return NULL; |
| 802 | } |
| 803 | |
| 804 | ret = usb_set_configuration(handle, 1); |
| 805 | if (ret != 0) { |
| 806 | fprintf(stderr, "couldn't set configuration for /*/bus/usb/%s/%s:\n", |
| 807 | bus->dirname, dev->filename); |
| 808 | fprintf(stderr, "%s (%d)\n", usb_strerror(), ret); |
| 809 | return NULL; |
| 810 | } |
| 811 | |
| 812 | ret = usb_claim_interface(handle, 0); |
| 813 | if (ret != 0) { |
| 814 | fprintf(stderr, "couldn't claim /*/bus/usb/%s/%s:\n", |
| 815 | bus->dirname, dev->filename); |
| 816 | fprintf(stderr, "%s (%d)\n", usb_strerror(), ret); |
| 817 | return NULL; |
| 818 | } |
| 819 | |
| 820 | return handle; |
| 821 | } |
| 822 | |
| 823 | static void release_device(struct usb_dev_handle *device) |
| 824 | { |
| 825 | usb_release_interface(device, 0); |
| 826 | usb_close(device); |
| 827 | } |
| 828 | |
| 829 | static void usage(const char *app_name) |
| 830 | { |
| 831 | printf("Flasher tool for MX game devices\n" |
| 832 | "written by Grazvydas \"notaz\" Ignotas\n"); |
| 833 | printf("v" VERSION " (" __DATE__ ")\n\n"); |
| 834 | printf("Usage:\n" |
| 835 | "%s [-i] [-g] [-e] [-r [file]] [-w <file>] ...\n" |
| 836 | " -i print some info about connected device\n" |
| 837 | " -g print some info about game ROM inside device\n" |
| 838 | " -e[1] erase whole flash ROM in device, '1' uses different erase method\n" |
| 839 | " -f skip file check\n" |
| 840 | " -r [file] copy game image from device to file; can autodetect filename\n" |
| 841 | " -w <file> write file to device; also does erase\n" |
| 842 | " -sr [file] read save RAM to file\n" |
| 843 | " -sw <file> write save RAM file to device\n" |
| 844 | " -sc clear save RAM\n" |
| 845 | " -v with -w or -sw: verify written file\n", |
| 846 | app_name); |
| 847 | } |
| 848 | |
| 849 | int main(int argc, char *argv[]) |
| 850 | { |
| 851 | char *r_fname = NULL, *w_fname = NULL, *sr_fname = NULL, *sw_fname = NULL; |
| 852 | void *r_fdata = NULL, *w_fdata = NULL, *sr_fdata = NULL, *sw_fdata = NULL; |
| 853 | int do_read_ram = 0, do_clear_ram = 0, do_verify = 0, do_check = 1; |
| 854 | int pr_dev_info = 0, pr_rom_info = 0, do_read = 0; |
| 855 | int erase_method = 0, do_erase_size = 0; |
| 856 | int w_fsize = 0, sw_fsize = 0; |
| 857 | struct usb_dev_handle *device; |
| 858 | char fname_buff[65]; |
| 859 | int i, ret = 0; |
| 860 | |
| 861 | for (i = 1; i < argc; i++) |
| 862 | { |
| 863 | if (argv[i][0] != '-') |
| 864 | break; |
| 865 | |
| 866 | switch (argv[i][1]) { |
| 867 | case 'i': |
| 868 | pr_dev_info = 1; |
| 869 | break; |
| 870 | case 'g': |
| 871 | pr_rom_info = 1; |
| 872 | break; |
| 873 | case 'e': |
| 874 | do_erase_size = 0x400000; |
| 875 | if (argv[i][2] == '1') |
| 876 | erase_method = 1; |
| 877 | break; |
| 878 | case 'f': |
| 879 | do_check = 0; |
| 880 | break; |
| 881 | case 'v': |
| 882 | do_verify = 1; |
| 883 | break; |
| 884 | case 'r': |
| 885 | do_read = 1; |
| 886 | if (argv[i+1] && argv[i+1][0] != '-') |
| 887 | r_fname = argv[++i]; |
| 888 | break; |
| 889 | case 'w': |
| 890 | if (argv[i+1] && argv[i+1][0] != '-') |
| 891 | w_fname = argv[++i]; |
| 892 | else |
| 893 | goto breakloop; |
| 894 | break; |
| 895 | case 's': |
| 896 | switch (argv[i][2]) { |
| 897 | case 'r': |
| 898 | do_read_ram = 1; |
| 899 | if (argv[i+1] && argv[i+1][0] != '-') |
| 900 | sr_fname = argv[++i]; |
| 901 | break; |
| 902 | case 'w': |
| 903 | if (argv[i+1] && argv[i+1][0] != '-') |
| 904 | sw_fname = argv[++i]; |
| 905 | else |
| 906 | goto breakloop; |
| 907 | break; |
| 908 | case 'c': |
| 909 | do_clear_ram = 1; |
| 910 | break; |
| 911 | default: |
| 912 | /* fall though */; |
| 913 | } |
| 914 | default: |
| 915 | goto breakloop; |
| 916 | } |
| 917 | } |
| 918 | |
| 919 | breakloop: |
| 920 | if (i <= 1 || i < argc) { |
| 921 | usage(argv[0]); |
| 922 | return 1; |
| 923 | } |
| 924 | |
| 925 | /* preparations */ |
| 926 | if (w_fname != NULL) { |
| 927 | /* check extension */ |
| 928 | ret = strlen(w_fname); |
| 929 | if (do_check && (w_fname[ret - 4] == '.' || w_fname[ret - 3] == '.' || |
| 930 | w_fname[ret - 2] == '.') && |
| 931 | strcasecmp(&w_fname[ret - 4], ".gen") != 0 && |
| 932 | strcasecmp(&w_fname[ret - 4], ".bin") != 0) { |
| 933 | fprintf(stderr, "\"%s\" doesn't look like a game ROM, aborting " |
| 934 | "(use -f to disable this check)\n", w_fname); |
| 935 | return 1; |
| 936 | } |
| 937 | |
| 938 | ret = read_file(w_fname, &w_fdata, &w_fsize, 0x400000); |
| 939 | if (ret < 0) |
| 940 | return 1; |
| 941 | |
| 942 | if (do_erase_size < w_fsize) |
| 943 | do_erase_size = w_fsize; |
| 944 | } |
| 945 | if (sw_fname != NULL) { |
| 946 | ret = read_file(sw_fname, &sw_fdata, &sw_fsize, 0x8000); |
| 947 | if (ret < 0) |
| 948 | return 1; |
| 949 | } |
| 950 | if (sw_fdata != NULL || do_clear_ram) { |
| 951 | if (sw_fsize < 0x8000) { |
| 952 | sw_fdata = realloc(sw_fdata, 0x8000); |
| 953 | if (sw_fdata == NULL) { |
| 954 | fprintf(stderr, "low mem\n"); |
| 955 | return 1; |
| 956 | } |
| 957 | memset((u8 *)sw_fdata + sw_fsize, 0, 0x8000 - sw_fsize); |
| 958 | } |
| 959 | sw_fsize = 0x8000; |
| 960 | } |
| 961 | if (w_fname == NULL && sw_fname == NULL && do_verify) { |
| 962 | fprintf(stderr, "warning: -w or -sw not specified, -v ignored.\n"); |
| 963 | do_verify = 0; |
| 964 | } |
| 965 | |
| 966 | /* init */ |
| 967 | usb_init(); |
| 968 | |
| 969 | device = get_device(); |
| 970 | if (device == NULL) |
| 971 | return 1; |
| 972 | |
| 973 | /* info */ |
| 974 | if (pr_dev_info) { |
| 975 | ret = print_device_info(device); |
| 976 | if (ret < 0) |
| 977 | goto end; |
| 978 | } |
| 979 | |
| 980 | if (pr_rom_info) { |
| 981 | ret = print_game_info(device); |
| 982 | if (ret < 0) |
| 983 | goto end; |
| 984 | } |
| 985 | |
| 986 | /* erase */ |
| 987 | if (do_erase_size != 0) { |
| 988 | if (erase_method) |
| 989 | ret = erase_all(device, do_erase_size); |
| 990 | else |
| 991 | ret = erase_seq(device, do_erase_size); |
| 992 | if (ret < 0) |
| 993 | goto end; |
| 994 | } |
| 995 | |
| 996 | /* write flash */ |
| 997 | if (w_fdata != NULL) { |
| 998 | char *p; |
| 999 | |
| 1000 | ret = read_write_rom(device, 0, w_fdata, w_fsize, 1); |
| 1001 | if (ret < 0) |
| 1002 | goto end; |
| 1003 | |
| 1004 | p = strrchr(w_fname, '/'); |
| 1005 | p = (p == NULL) ? w_fname : p + 1; |
| 1006 | |
| 1007 | ret = write_filename(device, p, FILENAME_ROM0); |
| 1008 | if (ret < 0) |
| 1009 | fprintf(stderr, "warning: failed to save ROM filename\n"); |
| 1010 | } |
| 1011 | |
| 1012 | /* write ram */ |
| 1013 | if (sw_fdata != NULL) { |
| 1014 | char *p, *t; |
| 1015 | |
| 1016 | ret = read_write_ram(device, sw_fdata, sw_fsize, 1); |
| 1017 | if (ret < 0) |
| 1018 | goto end; |
| 1019 | |
| 1020 | memset(fname_buff, 0, sizeof(fname_buff)); |
| 1021 | p = fname_buff; |
| 1022 | if (sw_fname != NULL) { |
| 1023 | p = strrchr(sw_fname, '/'); |
| 1024 | p = (p == NULL) ? sw_fname : p + 1; |
| 1025 | } else if (w_fname != NULL) { |
| 1026 | t = strrchr(w_fname, '/'); |
| 1027 | t = (t == NULL) ? w_fname : t + 1; |
| 1028 | |
| 1029 | strncpy(fname_buff, t, sizeof(fname_buff)); |
| 1030 | fname_buff[sizeof(fname_buff) - 1] = 0; |
| 1031 | ret = strlen(fname_buff); |
| 1032 | if (ret > 4 && fname_buff[ret - 4] == '.') |
| 1033 | strcpy(&fname_buff[ret - 4], ".srm"); |
| 1034 | } |
| 1035 | |
| 1036 | ret = write_filename(device, p, FILENAME_RAM); |
| 1037 | if (ret < 0) |
| 1038 | fprintf(stderr, "warning: failed to save RAM filename\n"); |
| 1039 | } |
| 1040 | |
| 1041 | /* read flash */ |
| 1042 | if (do_read && r_fname == NULL) { |
| 1043 | ret = read_filename(device, fname_buff, sizeof(fname_buff), FILENAME_ROM0); |
| 1044 | if (ret < 0) |
| 1045 | return ret; |
| 1046 | r_fname = fname_buff; |
| 1047 | if (r_fname[0] == 0) |
| 1048 | r_fname = "rom.gen"; |
| 1049 | } |
| 1050 | |
| 1051 | if (r_fname != NULL || do_verify) { |
| 1052 | r_fdata = malloc(0x400000); |
| 1053 | if (r_fdata == NULL) { |
| 1054 | fprintf(stderr, "low mem\n"); |
| 1055 | goto end; |
| 1056 | } |
| 1057 | |
| 1058 | ret = read_write_rom(device, 0, r_fdata, 0x400000, 0); |
| 1059 | if (ret < 0) |
| 1060 | goto end; |
| 1061 | } |
| 1062 | |
| 1063 | if (r_fname != NULL) |
| 1064 | write_file(r_fname, r_fdata, 0x400000); |
| 1065 | |
| 1066 | /* read ram */ |
| 1067 | if (do_read_ram && sr_fname == NULL) { |
| 1068 | ret = read_filename(device, fname_buff, sizeof(fname_buff), FILENAME_RAM); |
| 1069 | if (ret < 0) |
| 1070 | return ret; |
| 1071 | sr_fname = fname_buff; |
| 1072 | if (sr_fname[0] == 0) |
| 1073 | sr_fname = "rom.srm"; |
| 1074 | } |
| 1075 | |
| 1076 | if (sr_fname != NULL || do_verify) { |
| 1077 | sr_fdata = malloc(0x8000); |
| 1078 | if (sr_fdata == NULL) { |
| 1079 | fprintf(stderr, "low mem\n"); |
| 1080 | goto end; |
| 1081 | } |
| 1082 | |
| 1083 | ret = read_write_ram(device, sr_fdata, 0x400000, 0); |
| 1084 | if (ret < 0) |
| 1085 | goto end; |
| 1086 | } |
| 1087 | |
| 1088 | if (sr_fname != NULL) |
| 1089 | write_file(sr_fname, sr_fdata, 0x400000); |
| 1090 | |
| 1091 | /* verify */ |
| 1092 | if (do_verify && w_fdata != NULL && r_fdata != NULL) { |
| 1093 | ret = memcmp(w_fdata, r_fdata, w_fsize); |
| 1094 | if (ret == 0) |
| 1095 | printf("flash verification passed.\n"); |
| 1096 | else |
| 1097 | printf("flash verification FAILED!\n"); |
| 1098 | } |
| 1099 | |
| 1100 | if (do_verify && sw_fdata != NULL && sr_fdata != NULL) { |
| 1101 | ret = memcmp(sw_fdata, sr_fdata, 0x8000); |
| 1102 | if (ret == 0) |
| 1103 | printf("RAM verification passed.\n"); |
| 1104 | else |
| 1105 | printf("RAM verification FAILED!\n"); |
| 1106 | } |
| 1107 | |
| 1108 | printf("all done.\n"); |
| 1109 | ret = 0; |
| 1110 | |
| 1111 | end: |
| 1112 | if (w_fdata != NULL) |
| 1113 | free(w_fdata); |
| 1114 | if (r_fdata != NULL) |
| 1115 | free(r_fdata); |
| 1116 | |
| 1117 | release_device(device); |
| 1118 | |
| 1119 | return ret; |
| 1120 | } |
| 1121 | |