Building the Boot Loader Image

Eboot.bin is the binary file that constitutes the Ethernet boot loader. You must build the boot loader image to use the Ethernet boot loader.

To build the boot loader image

At the command prompt, type the following command to enable the built features to be copied to the %_FLATRELEASEDIR% directory.
```
Set WINCEREL=1
```
Modify the binary image builder file (.bib), Boot.bib, located in %_TGTPLATROOT%\Eboot, to match your platform configuration.

Boot.bib is a text file that specifies the size, , and location of the memory on the target device where you store the boot loader. For more information, see Boot Loader Image Builder File.
At the command prompt, type the following command.
```
cd %_TGTPLATROOT%\Eboot
```
Type the following command to build Eboot.bin.
```
Build -cfs
```
For more information about the build tool and the parameters you can use, see Build Tool.

Additional resources