+static int image_mot_buffer_complete_inner(struct image *image,
+ char *lpszLine,
+ struct imagesection *section)
+{
+ struct image_mot *mot = image->type_private;
+ struct fileio *fileio = mot->fileio;
+ uint32_t full_address;
+ uint32_t cooked_bytes;
+ bool end_rec = false;
+ int i;
+
+ /* we can't determine the number of sections that we'll have to create ahead of time,
+ * so we locally hold them until parsing is finished */
+
+ int retval;
+ size_t filesize;
+ retval = fileio_size(fileio, &filesize);
+ if (retval != ERROR_OK)
+ return retval;
+
+ mot->buffer = malloc(filesize >> 1);
+ cooked_bytes = 0x0;
+ image->num_sections = 0;
+
+ while (!fileio_feof(fileio)) {
+ full_address = 0x0;
+ section[image->num_sections].private = &mot->buffer[cooked_bytes];
+ section[image->num_sections].base_address = 0x0;
+ section[image->num_sections].size = 0x0;
+ section[image->num_sections].flags = 0;
+
+ while (fileio_fgets(fileio, 1023, lpszLine) == ERROR_OK) {
+ uint32_t count;
+ uint32_t address;
+ uint32_t record_type;
+ uint32_t checksum;
+ uint8_t cal_checksum = 0;
+ uint32_t bytes_read = 0;
+
+ /* skip comments and blank lines */
+ if ((lpszLine[0] == '#') || (strlen(lpszLine + strspn(lpszLine, "\n\t\r ")) == 0))
+ continue;
+
+ /* get record type and record length */
+ if (sscanf(&lpszLine[bytes_read], "S%1" SCNx32 "%2" SCNx32, &record_type,
+ &count) != 2)
+ return ERROR_IMAGE_FORMAT_ERROR;
+
+ bytes_read += 4;
+ cal_checksum += (uint8_t)count;
+
+ /* skip checksum byte */
+ count -= 1;
+
+ if (record_type == 0) {
+ /* S0 - starting record (optional) */
+ int iValue;
+
+ while (count-- > 0) {
+ sscanf(&lpszLine[bytes_read], "%2x", &iValue);
+ cal_checksum += (uint8_t)iValue;
+ bytes_read += 2;
+ }
+ } else if (record_type >= 1 && record_type <= 3) {
+ switch (record_type) {
+ case 1:
+ /* S1 - 16 bit address data record */
+ sscanf(&lpszLine[bytes_read], "%4" SCNx32, &address);
+ cal_checksum += (uint8_t)(address >> 8);
+ cal_checksum += (uint8_t)address;
+ bytes_read += 4;
+ count -= 2;
+ break;
+
+ case 2:
+ /* S2 - 24 bit address data record */
+ sscanf(&lpszLine[bytes_read], "%6" SCNx32, &address);
+ cal_checksum += (uint8_t)(address >> 16);
+ cal_checksum += (uint8_t)(address >> 8);
+ cal_checksum += (uint8_t)address;
+ bytes_read += 6;
+ count -= 3;
+ break;
+
+ case 3:
+ /* S3 - 32 bit address data record */
+ sscanf(&lpszLine[bytes_read], "%8" SCNx32, &address);
+ cal_checksum += (uint8_t)(address >> 24);
+ cal_checksum += (uint8_t)(address >> 16);
+ cal_checksum += (uint8_t)(address >> 8);
+ cal_checksum += (uint8_t)address;
+ bytes_read += 8;
+ count -= 4;
+ break;
+
+ }
+
+ if (full_address != address) {
+ /* we encountered a nonconsecutive location, create a new section,
+ * unless the current section has zero size, in which case this specifies
+ * the current section's base address
+ */
+ if (section[image->num_sections].size != 0) {
+ image->num_sections++;
+ section[image->num_sections].size = 0x0;
+ section[image->num_sections].flags = 0;
+ section[image->num_sections].private =
+ &mot->buffer[cooked_bytes];
+ }
+ section[image->num_sections].base_address = address;
+ full_address = address;
+ }
+
+ while (count-- > 0) {
+ unsigned value;
+ sscanf(&lpszLine[bytes_read], "%2x", &value);
+ mot->buffer[cooked_bytes] = (uint8_t)value;
+ cal_checksum += (uint8_t)mot->buffer[cooked_bytes];
+ bytes_read += 2;
+ cooked_bytes += 1;
+ section[image->num_sections].size += 1;
+ full_address++;
+ }
+ } else if (record_type == 5) {
+ /* S5 is the data count record, we ignore it */
+ uint32_t dummy;
+
+ while (count-- > 0) {
+ sscanf(&lpszLine[bytes_read], "%2" SCNx32, &dummy);
+ cal_checksum += (uint8_t)dummy;
+ bytes_read += 2;
+ }
+ } else if (record_type >= 7 && record_type <= 9) {
+ /* S7, S8, S9 - ending records for 32, 24 and 16bit */
+ image->num_sections++;
+
+ /* copy section information */
+ image->sections = malloc(sizeof(struct imagesection) * image->num_sections);
+ for (i = 0; i < image->num_sections; i++) {
+ image->sections[i].private = section[i].private;
+ image->sections[i].base_address = section[i].base_address;
+ image->sections[i].size = section[i].size;
+ image->sections[i].flags = section[i].flags;
+ }
+
+ end_rec = true;
+ break;
+ } else {
+ LOG_ERROR("unhandled S19 record type: %i", (int)(record_type));
+ return ERROR_IMAGE_FORMAT_ERROR;
+ }
+
+ /* account for checksum, will always be 0xFF */
+ sscanf(&lpszLine[bytes_read], "%2" SCNx32, &checksum);
+ cal_checksum += (uint8_t)checksum;
+
+ if (cal_checksum != 0xFF) {
+ /* checksum failed */
+ LOG_ERROR("incorrect record checksum found in S19 file");
+ return ERROR_IMAGE_CHECKSUM;
+ }
+
+ if (end_rec) {
+ end_rec = false;
+ LOG_WARNING("continuing after end-of-file record: %.40s", lpszLine);
+ }
+ }
+ }
+
+ if (end_rec)
+ return ERROR_OK;
+ else {
+ LOG_ERROR("premature end of S19 file, no matching end-of-file record found");
+ return ERROR_IMAGE_FORMAT_ERROR;
+ }
+}
+
+/**
+ * Allocate memory dynamically instead of on the stack. This
+ * is important w/embedded hosts.
+ */
+static int image_mot_buffer_complete(struct image *image)
+{
+ char *lpszLine = malloc(1023);
+ if (lpszLine == NULL) {
+ LOG_ERROR("Out of memory");
+ return ERROR_FAIL;
+ }
+ struct imagesection *section = malloc(sizeof(struct imagesection) * IMAGE_MAX_SECTIONS);
+ if (section == NULL) {
+ free(lpszLine);
+ LOG_ERROR("Out of memory");
+ return ERROR_FAIL;
+ }
+ int retval;
+
+ retval = image_mot_buffer_complete_inner(image, lpszLine, section);
+
+ free(section);
+ free(lpszLine);
+
+ return retval;
+}
+
+int image_open(struct image *image, const char *url, const char *type_string)