# The sources block assigns file names to identifiers
sources {
    # SREC File path
    mySrecFile = "led_demo_QSPI.srec";
    # QCB file path 
    qspiConfigBlock = "qspi_config_block.bin";
}

# The keyblob creates a structure with up to 4 keyblob entries.
# The empty parentheses syntax specifies an entry of all zeros (no encryption)
# Each entry consists of 4 parameters:
# start     - start address of encrypted block.
# end       - end address of encrypted block.
# key       - AES-CTR mode encryption key for this range.
# counter   - initial counter value for AES-CTR encryption for this range.
keyblob (0) {
    (
        start=0x68001000,
        end = 0x68001fff,
        key="000102030405060708090a0b0c0d0e0f",
        counter="0123456789abcdef"
    )
    ()
    ()
    ()
}


# The section block specifies the sequence of boot commands to be written to
# the SB file
section (0) {

    #1. Erase the vector table and flash config field.
    erase 0..0x800;
    
    # Step 2 and Step 3 are optional if the QuadSPI is configured at startup.
    #2. Load the QCB to RAM
    load qspiConfigBlock > 0x20000000;
    
    #3. Configure QuadSPI with the QCB above
    enable qspi 0x20000000;
    
    #4. Erase the QuadSPI memory region before programming.
    erase 0x68000000..0x68004000;
    
    #5.Load the QCB above to the start address of QuadSPI memory
    load qspiConfigBlock > 0x68000000;
    
    #6,7. The encrypt statement indicates that load commands should encrypt load from the srec file using AES-CTR mode encrypteion.
    # The encrypt argument (0) specifies the keyblob parameters range of one of the keyblob entries are left unencrypted.
    encrypt(0) {
        # Load all the RO data from SREC fiel.
        load mySrecFile;
    }
    
    #8. Load the encrypted keyblob block to specified location.
    # The keywrap statement wraps (encrypts) the keyblob specified in the argument (0) using the specified Key Encryption Key (KEK) and loads the keyblob to internal flas.
    # The load destination (0x1000, which is defined via keyBlobPointer in BCA) must match the defualt location (0x410) or the keyblob pointer in the Bootloader Configuraion Area(BCA) contained in the SREC image.
    # Make sure the sector at 0x1000 has not been written by the srec file load above, otherwise it will need to be erased again.
    keywrap (0) {
        load {{000102030405060708090a0b0c0d0e0f}} > 0x1000;
    }
    
    #9. Reset target.
    reset;

}