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comparison packages/redboot/current/src/load.c @ 157:b65ec671dd4c

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Merge from eCos master repository on 2001-04-06-18:28:36-BST
author jlarmour
date Fri, 06 Apr 2001 19:06:06 +0000
parents b939e9cada46
children ac086aa3217e
comparison
equal deleted inserted replaced
156:b939e9cada46 157:b65ec671dd4c
364 ((base < (unsigned long)user_ram_start) || 364 ((base < (unsigned long)user_ram_start) ||
365 (base > (unsigned long)user_ram_end))) { 365 (base > (unsigned long)user_ram_end))) {
366 printf("Specified address (%p) is not in RAM.\n", (void*)base); 366 printf("Specified address (%p) is not in RAM.\n", (void*)base);
367 return; 367 return;
368 } 368 }
369 if (raw && !base_addr_set) {
370 printf("Raw load requires a memory address\n");
371 return;
372 }
369 #ifdef CYGPKG_REDBOOT_NETWORKING 373 #ifdef CYGPKG_REDBOOT_NETWORKING
370 if (mode == MODE_TFTP) { 374 if (mode == MODE_TFTP) {
371 res = tftp_stream_open(filename, &host, TFTP_OCTET, &err); 375 res = tftp_stream_open(filename, &host, TFTP_OCTET, &err);
372 if (res < 0) { 376 if (res < 0) {
373 printf("Can't load '%s': %s\n", filename, tftp_error(err)); 377 printf("Can't load '%s': %s\n", filename, tftp_error(err));
383 return; 387 return;
384 } 388 }
385 // Suppress verbosity when using xyz modem download 389 // Suppress verbosity when using xyz modem download
386 redboot_getc_init(xyzModem_stream_read, 0 && verbose); 390 redboot_getc_init(xyzModem_stream_read, 0 && verbose);
387 } 391 }
388 // Read initial header - to determine file [image] type 392 if (raw) {
389 for (i = 0; i < sizeof(type); i++) {
390 if ((res = redboot_getc()) < 0) {
391 err = getc_info.err;
392 break;
393 }
394 type[i] = res;
395 }
396 if (res >= 0) {
397 redboot_getc_rewind(); // Restore header to stream
398 if (raw) {
399 if (!base_addr_set) {
400 printf("Raw load requires a memory address\n");
401 } else {
402 #ifdef CYGPKG_COMPRESS_ZLIB 393 #ifdef CYGPKG_COMPRESS_ZLIB
403 if (decompress) { 394 if (decompress) {
404 _pipe_t* p = &load_pipe; 395 _pipe_t* p = &load_pipe;
405 p->out_buf = (unsigned char*) base; 396 p->out_buf = (unsigned char*) base;
406 p->out_size = 0; 397 p->out_size = 0;
407 p->in_buf = _buffer; 398 p->in_buf = _buffer;
408 399
409 err = (*_dc_init)(p); 400 err = (*_dc_init)(p);
410 401
411 while (0 == err) { 402 while (0 == err) {
412 p->in_avail = 0; 403 p->in_avail = 0;
413 for (i = 0; i < CYGNUM_REDBOOT_LOAD_ZLIB_BUFFER; i++) { 404 for (i = 0; i < CYGNUM_REDBOOT_LOAD_ZLIB_BUFFER; i++) {
414 res = redboot_getc(); 405 res = redboot_getc();
415 if (res < 0) break; 406 if (res < 0) break;
416 p->in_buf[p->in_avail++] = res; 407 p->in_buf[p->in_avail++] = res;
417 }
418 if (0 == p->in_avail) break;
419
420 err = (*_dc_inflate)(p);
421 }
422
423 // Free used resources, do final translation of
424 // error value.
425 err = (*_dc_close)(p, err);
426
427 if (0 != err && p->msg)
428 printf("zlib: %s\n", p->msg);
429
430 end = (unsigned long) base + p->out_size;
431 } else // dangling block
432 #endif
433 {
434 unsigned char *mp = (unsigned char *)base;
435 while ((res = redboot_getc()) >= 0) {
436 *mp++ = res;
437 }
438 err = 0;
439 end = (unsigned long) mp;
440 } 408 }
441 if (0 == err) 409 if (0 == p->in_avail) break;
442 printf("Raw file loaded %p-%p\n", (void *)base, (void *)end); 410
443 } 411 err = (*_dc_inflate)(p);
444 } else { 412 }
413
414 // Free used resources, do final translation of
415 // error value.
416 err = (*_dc_close)(p, err);
417
418 if (0 != err && p->msg)
419 printf("zlib: %s\n", p->msg);
420
421 end = (unsigned long) base + p->out_size;
422 } else // dangling block
423 #endif
424 {
425 unsigned char *mp = (unsigned char *)base;
426 while ((res = redboot_getc()) >= 0) {
427 *mp++ = res;
428 }
429 err = 0;
430 end = (unsigned long) mp;
431 }
432 if (0 == err)
433 printf("Raw file loaded %p-%p\n", (void *)base, (void *)end);
434 } else {
435 // Read initial header - to determine file [image] type
436 for (i = 0; i < sizeof(type); i++) {
437 if ((res = redboot_getc()) < 0) {
438 err = getc_info.err;
439 break;
440 }
441 type[i] = res;
442 }
443 if (res >= 0) {
444 redboot_getc_rewind(); // Restore header to stream
445 // Treat data as some sort of executable image 445 // Treat data as some sort of executable image
446 if (strncmp(&type[1], "ELF", 3) == 0) { 446 if (strncmp(&type[1], "ELF", 3) == 0) {
447 end = load_elf_image(redboot_getc); 447 end = load_elf_image(redboot_getc);
448 } else if ((type[0] == 'S') && 448 } else if ((type[0] == 'S') &&
449 ((type[1] >= '0') && (type[1] <= '9'))) { 449 ((type[1] >= '0') && (type[1] <= '9'))) {