Below is historical content from Abatron
Support for ARM Cortex-M3
Abatron adds on-chip debugging support for ARM Cortex-M3. Internal flash programming is available for Luminary Micro Stellaris LM3S and for STMicroelectronics STM32F10xx.
Abatron's solution supports also the "Serial Wire Debug Port" (SW-DP).
Support for ARM Cortex-M3 is available for the GNU debugger (bdiGDB for target family "ARM11 / Cortex").
7/9/2008, Rev. 8/29/2008