static void fis_create(int argc, char *argv[]) { int i, stat; unsigned long length, img_size; CYG_ADDRESS mem_addr, exec_addr, flash_addr, entry_addr; char *name; bool mem_addr_set = false; bool exec_addr_set = false; bool entry_addr_set = false; bool flash_addr_set = false; bool length_set = false; bool img_size_set = false; bool no_copy = false; void *err_addr; struct fis_image_desc *img = NULL; bool defaults_assumed; struct option_info opts[7]; bool prog_ok = true; init_opts(&opts[0], 'b', true, OPTION_ARG_TYPE_NUM, (void *)&mem_addr, (bool *)&mem_addr_set, "memory base address"); init_opts(&opts[1], 'r', true, OPTION_ARG_TYPE_NUM, (void *)&exec_addr, (bool *)&exec_addr_set, "ram base address"); init_opts(&opts[2], 'e', true, OPTION_ARG_TYPE_NUM, (void *)&entry_addr, (bool *)&entry_addr_set, "entry point address"); init_opts(&opts[3], 'f', true, OPTION_ARG_TYPE_NUM, (void *)&flash_addr, (bool *)&flash_addr_set, "FLASH memory base address"); init_opts(&opts[4], 'l', true, OPTION_ARG_TYPE_NUM, (void *)&length, (bool *)&length_set, "image length [in FLASH]"); init_opts(&opts[5], 's', true, OPTION_ARG_TYPE_NUM, (void *)&img_size, (bool *)&img_size_set, "image size [actual data]"); init_opts(&opts[6], 'n', false, OPTION_ARG_TYPE_FLG, (void *)&no_copy, (bool *)0, "don't copy from RAM to FLASH, just update directory"); if (!scan_opts(argc, argv, 2, opts, 7, (void *)&name, OPTION_ARG_TYPE_STR, "file name")) { fis_usage("invalid arguments"); return; } fis_read_directory(); defaults_assumed = false; if (name) { // Search existing files to acquire defaults for params not specified: img = fis_lookup(name, NULL); if (img) { // Found it, so get image size from there if (!length_set) { length_set = true; length = img->size; defaults_assumed = true; } } } if (!mem_addr_set && (load_address >= (CYG_ADDRESS)ram_start) && (load_address_end) < (CYG_ADDRESS)ram_end) { mem_addr = load_address; mem_addr_set = true; defaults_assumed = true; // Get entry address from loader, unless overridden if (!entry_addr_set) entry_addr = entry_address; if (!length_set) { length = load_address_end - load_address; length_set = true; } else if (defaults_assumed && !img_size_set) { /* We got length from the FIS table, so the size of the actual loaded image becomes img_size */ img_size = load_address_end - load_address; img_size_set = true; } } // Get the remaining fall-back values from the fis if (img) { if (!exec_addr_set) { // Preserve "normal" behaviour exec_addr_set = true; exec_addr = flash_addr_set ? flash_addr : mem_addr; } if (!flash_addr_set) { flash_addr_set = true; flash_addr = img->flash_base; defaults_assumed = true; } } if ((!no_copy && !mem_addr_set) || (no_copy && !flash_addr_set) || !length_set || !name) { fis_usage("required parameter missing"); return; } if (!img_size_set) { img_size = length; } // 'length' is size of FLASH image, 'img_size' is actual data size // Round up length to FLASH block size #ifndef CYGPKG_HAL_MIPS // FIXME: compiler is b0rken length = ((length + flash_block_size - 1) / flash_block_size) * flash_block_size; if (length < img_size) { diag_printf("Invalid FLASH image size/length combination\n"); return; } #endif if (flash_addr_set && ((stat = flash_verify_addr((void *)flash_addr)) || (stat = flash_verify_addr((void *)(flash_addr+length-1))))) { _show_invalid_flash_address(flash_addr, stat); return; } if (flash_addr_set && ((flash_addr & (flash_block_size-1)) != 0)) { diag_printf("Invalid FLASH address: %p\n", (void *)flash_addr); diag_printf(" must be 0x%x aligned\n", flash_block_size); return; } if (strlen(name) >= sizeof(img->name)) { diag_printf("Name is too long, must be less than %d chars\n", (int)sizeof(img->name)); return; } if (!no_copy) { if ((mem_addr < (CYG_ADDRESS)ram_start) || ((mem_addr+img_size) >= (CYG_ADDRESS)ram_end)) { diag_printf("** WARNING: RAM address: %p may be invalid\n", (void *)mem_addr); diag_printf(" valid range is %p-%p\n", (void *)ram_start, (void *)ram_end); } if (!flash_addr_set && !fis_find_free(&flash_addr, length)) { diag_printf("Can't locate %lx(%ld) bytes free in FLASH\n", length, length); return; } } // First, see if the image by this name has agreable properties if (img) { if (flash_addr_set && (img->flash_base != flash_addr)) { diag_printf("Image found, but flash address (%p)\n" " is incorrect (present image location %p)\n", flash_addr, img->flash_base); return; } if (img->size != length) { diag_printf("Image found, but length (0x%lx, necessitating image size 0x%lx)\n" " is incorrect (present image size 0x%lx)\n", img_size, length, img->size); return; } if (!verify_action("An image named '%s' exists", name)) { return; } else { if (defaults_assumed) { if (no_copy && !verify_action("* CAUTION * about to program '%s'\n at %p..%p from %p", name, (void *)flash_addr, (void *)(flash_addr+img_size-1), (void *)mem_addr)) { return; // The guy gave up } } } } else { #ifdef CYGDAT_REDBOOT_FIS_MAX_FREE_CHUNKS // Make sure that any FLASH address specified directly is truly free if (flash_addr_set && !no_copy) { struct free_chunk chunks[CYGDAT_REDBOOT_FIS_MAX_FREE_CHUNKS]; int idx, num_chunks; bool is_free = false; num_chunks = find_free(chunks); for (idx = 0; idx < num_chunks; idx++) { if ((flash_addr >= chunks[idx].start) && ((flash_addr+length-1) <= chunks[idx].end)) { is_free = true; } } if (!is_free) { diag_printf("Invalid FLASH address - not free!\n"); return; } } #endif // If not image by that name, try and find an empty slot img = (struct fis_image_desc *)fis_work_block; for (i = 0; i < fisdir_size/sizeof(*img); i++, img++) { if (img->name[0] == (unsigned char)0xFF) { break; } } } if (!no_copy) { // Safety check - make sure the address range is not within the code we're running if (flash_code_overlaps((void *)flash_addr, (void *)(flash_addr+img_size-1))) { diag_printf("Can't program this region - contains code in use!\n"); return; } if (prog_ok) { // Erase area to be programmed if ((stat = flash_erase((void *)flash_addr, length, (void **)&err_addr)) != 0) { diag_printf("Can't erase region at %p: %s\n", err_addr, flash_errmsg(stat)); prog_ok = false; } } if (prog_ok) { // Now program it if ((stat = FLASH_PROGRAM((void *)flash_addr, (void *)mem_addr, img_size, (void **)&err_addr)) != 0) { diag_printf("Can't program region at %p: %s\n", err_addr, flash_errmsg(stat)); prog_ok = false; } } } if (prog_ok) { // Update directory memset(img, 0, sizeof(*img)); strcpy(img->name, name); img->flash_base = flash_addr; img->mem_base = exec_addr_set ? exec_addr : (flash_addr_set ? flash_addr : mem_addr); img->entry_point = entry_addr_set ? entry_addr : (CYG_ADDRESS)entry_address; // Hope it's been set img->size = length; img->data_length = img_size; #ifdef CYGSEM_REDBOOT_FIS_CRC_CHECK if (!no_copy) { img->file_cksum = cyg_crc32((unsigned char *)mem_addr, img_size); } else { // No way to compute this, sorry img->file_cksum = 0; } #endif fis_update_directory(); } }
HRESULT fis_create_progress(CYG_ADDRESS mem_addr, uint32 length, CYG_ADDRESS exec_addr, CYG_ADDRESS entry_addr, char *name, BOOL bDeleteIfNeeded, FIS_PROGRESS_FUNC progressFunc) { int stat, i; unsigned long img_size; CYG_ADDRESS flash_addr; void *err_addr; struct fis_image_desc *img = NULL; BOOL bFlashAddrGood = FALSE; BOOL bDelOldImage = FALSE; FIS_PROGRESS_STRUCT progress; memset (&progress,0,sizeof(progress)); memcpy(fis_work_block, fis_addr, fisdir_size); img_size = length; // 'length' is size of FLASH image, 'img_size' is actual data size // Round up length to FLASH block size length = ((length + flash_block_size - 1) / flash_block_size) * flash_block_size; if (length < img_size) { SYS_DEBUG(SYSDEBUG_TRACE_FIS, "Internal error in image\n\r"); return E_FIS_ILLEGAL_IMAGE; } if (!name) { SYS_DEBUG(SYSDEBUG_TRACE_FIS, "Internal error in image\n\r"); return E_FIS_ILLEGAL_IMAGE; } if (strlen(name) >= sizeof(img->name)) { SYS_DEBUG(SYSDEBUG_TRACE_FIS, "Internal error in image\n\r"); return E_FIS_ILLEGAL_IMAGE; } // Search existing files to acquire defaults for params not specified: img = fis_lookup(name, NULL); // If we have an image we need to check if it is any good if (img) { if (length != img->size) { //in this case we either return an error or delete the old image if (!bDeleteIfNeeded) { SYS_DEBUG(SYSDEBUG_TRACE_FIS, "Image already exist with different size\n\r"); return E_FIS_ILLEGAL_IMAGE; } //We need to remember to delete the image bDelOldImage = TRUE; SYS_DEBUG(SYSDEBUG_TRACE_FIS, "Delete old image\n\r"); } else { bFlashAddrGood = TRUE; SYS_DEBUG(SYSDEBUG_TRACE_FIS, "Reuse old image\n\r"); } } else { //need to find a new free image img = (struct fis_image_desc *)fis_work_block; for (i = 0; i < fisdir_size/sizeof(*img); i++, img++) { if (img->name[0] == (unsigned char)0xFF) break; } if (img->name[0] != (unsigned char)0xFF) { SYS_DEBUG(SYSDEBUG_TRACE_FIS, "No more directory entries\n\r"); return E_FIS_NO_SPACE; } SYS_DEBUG(SYSDEBUG_TRACE_FIS, "Using new image\n\r"); } //we definitely have an img pointer which is valid //Let's figure out the work we need to do for the progress info if (progressFunc) { progress.func = progressFunc; progress.procur = 0; progress.promax = fis_flash_program_progressinfo(img_size); if (bDelOldImage || bFlashAddrGood) progress.promax += fis_flash_erase_progressinfo (img->size); if (!bFlashAddrGood) progress.promax += fis_flash_erase_progressinfo (length); progress.promax += 10; //to update the directory progressFunc(progress.promax, progress.procur); } if (bDelOldImage || bFlashAddrGood) { if ((stat = fis_flash_erase_progress((void *)img->flash_base, img->size, &err_addr, &progress )) != 0) { SYS_DEBUG(SYSDEBUG_TRACE_FIS, "Flash Erase failed\n\r"); return E_FIS_FLASH_OP_FAILED; } } if (!bFlashAddrGood) { //we need to find space if (!fis_find_free(&flash_addr, length)) { SYS_DEBUG(SYSDEBUG_TRACE_FIS, "No free space in flash\n\r"); return E_FIS_NO_SPACE; } } else { flash_addr = img->flash_base; } //at this point we have erased old stuff if needed and we are ready to program if (((stat = flash_verify_addr((void *)flash_addr)) || (stat = flash_verify_addr((void *)(flash_addr+img_size-1))))) { //this should not happen, it is an internal error SYS_DEBUG(SYSDEBUG_TRACE_FIS, "Internal error, illegal flash address\n\r"); return E_FIS_FLASH_OP_FAILED; } if (flash_addr & (flash_block_size-1)) { //this should not happen, it is an internal error SYS_DEBUG(SYSDEBUG_TRACE_FIS, "Internal error, illegal flash address\n\r"); return E_FIS_FLASH_OP_FAILED; } // We need to erase the new are we found but it is likely clean so we will not progress it // as it will only be a blank check if (!bFlashAddrGood) { if ((stat = fis_flash_erase_progress((void *)img->flash_base, img->size, &err_addr, &progress)) != 0) { SYS_DEBUG(SYSDEBUG_TRACE_FIS, "Flash erase failed\n\r"); return E_FIS_FLASH_OP_FAILED; } } if (mem_addr!=0xffffffff) //ML:Create image without programming if addr=0xffffffff { // Now program it if ((stat = fis_flash_program_progress((void *)flash_addr, (void *)mem_addr, img_size, &err_addr,&progress)) != 0) { SYS_DEBUG(SYSDEBUG_TRACE_FIS, "Flash program failed\n\r"); return E_FIS_FLASH_OP_FAILED; } } // Update directory memset(img, 0, sizeof(*img)); strcpy(img->name, name); img->flash_base = flash_addr; img->mem_base = exec_addr; img->entry_point = entry_addr; // Hope it's been set img->size = length; img->data_length = img_size; #ifdef CYGSEM_REDBOOT_FIS_CRC_CHECK img->file_cksum = cyg_crc32((unsigned char *)flash_addr, img_size); #endif fis_update_directory(); if (progressFunc) progressFunc(progress.promax, progress.promax); return NO_ERROR; }