------- +-----------------------------+ <-- *load_address
                ^   |                             |
                |   |                             |
                |   |                             |
                |   |                             |
                |   |           zImage            |
         Signed |   |                             |
          Data  |   |                             |
                |   |                             |
                |   +-----------------------------+
                |   |    Padding Next Boundary    |
                |   +-----------------------------+ <-- *ivt
                v   |     Image Vector Table      |
            ------- +-----------------------------+ <-- *csf
                    |                             |
                    | Command Sequence File (CSF) |
                    |                             |
                    +-----------------------------+
                    |     Padding (optional)      |
                    +-----------------------------+