- Additional cores. ARM9E(J)-S, ARM7TDMI-S, TI925, ...
- Testing.
- Additional jtag interfaces. Currently, only Wiggler style interfaces and
  USBJTAG-1 are supported.
- Testing.
- Handle endianess. The configuration variable is there, but that's about it.
  Currently, only little-endian targets and little-endian hosts are supported.