+ fcf_in_data_valid = offset <= FCF_ADDRESS
+ && offset + count >= FCF_ADDRESS + FCF_SIZE;
+ if (fcf_in_data_valid) {
+ memcpy(fcf_in_data, buffer + FCF_ADDRESS - offset, FCF_SIZE);
+ if (memcmp(fcf_in_data + FCF_FPROT, fcf_buffer, 4)) {
+ fcf_in_data_valid = false;
+ LOG_INFO("Flash protection requested in programmed file differs from current setting.");
+ }
+ if (fcf_in_data[FCF_FDPROT] != fcf_buffer[FCF_FDPROT]) {
+ fcf_in_data_valid = false;
+ LOG_INFO("Data flash protection requested in programmed file differs from current setting.");
+ }
+ if ((fcf_in_data[FCF_FSEC] & 3) != 2) {
+ fcf_in_data_valid = false;
+ LOG_INFO("Device security requested in programmed file!");
+ } else if (k_chip->flash_support & FS_ECC
+ && fcf_in_data[FCF_FSEC] != fcf_buffer[FCF_FSEC]) {
+ fcf_in_data_valid = false;
+ LOG_INFO("Strange unsecure mode 0x%02" PRIx8
+ "requested in programmed file!",
+ fcf_in_data[FCF_FSEC]);
+ }
+ if ((k_chip->flash_support & FS_ECC || fcf_fopt_configured)
+ && fcf_in_data[FCF_FOPT] != fcf_fopt) {
+ fcf_in_data_valid = false;
+ LOG_INFO("FOPT requested in programmed file differs from current setting.");
+ }
+ if (!fcf_in_data_valid)
+ LOG_INFO("Expect verify errors at FCF (0x408-0x40f).");
+ }
+ }
+
+ if (set_fcf && !fcf_in_data_valid) {