Does the board/chip definition correctly describe the Flash memory area for your board, and does it specify the correct FME file?

Does your Debug Configuration have the correct board/chip definition assigned to it?

Is the icon for the Flash area in the Memory Map tab green, and are the Flash memory locations in the Memory view shown with a yellow background?

This indicates that the Flash_type setting does not point to a valid FME file, or is not set.

Is the image you are loading a valid Flash image?

Use the dispflash utility to display information about the FME file, and examine the following line:

Routine Code PC-rel. Can load at address

The address must be a valid RAM area on your board. If it is not, then rebuild the FME file with the --ro_base address linker option.

Does your Flash image have the same endianness as the FME file?

If you have created your own FME file:

Creating algorithms for a Flash type supported by RealView Debugger

Creating algorithms for a Flash type not provided with RealView Debugger

Creating the Flash-level and board-level AME files

Checking the FME file with the dispflash utility

Creating a BCD file

Assigning your board/chip definitions to a Debug Configuration

ARM^® Compiler toolchain Using the Assembler

ARM^® Compiler toolchain Assembler Reference

ARM^® Compiler toolchain Using the Compiler

ARM^® Compiler toolchain Compiler Reference

ARM^® Compiler toolchain Using the Linker

ARM^® Compiler toolchain Linker Reference.