User guide

58 DC 900-1338I

Protocol Software Toolkit Programmer Guide

The Freeway server boot configuration file, used to control the download procedure, is

covered in detail in the Freeway User Guide. The boot configuration file is located in the

freeway/boot directory (for example, bootcfg.vme for a Freeway 2000/4000/8800). The

download script file parameter (

download_script) in the boot configuration file specifies

the modules to be downloaded to the ICP and the memory location for each module.

You must modify the

download_script parameter as described in Section 4.1.1.2 when

you need to change between debug and non-debug operation.

When you reboot the Freeway server, the modules are downloaded to the ICP in two

stages. First, the server software uses a file transfer program to download the modules

to the server’s local memory. The modules are then transferred across the ISAbus,

PCIbus, or VMEbus to the ICP.

PCIbus and VMEbus transfers are handled by the ICP’s CPU. The server software pro-

vides the location and size of the binary images and the address in the ICP’s RAM at

which the modules should be loaded, and then signals the ICP to begin the download

process.

ISAbus transfers are handled by the server’s CPU. The entire image is placed in shared