> We chose arm-elf as the starting point years. If we need to > move to arm-eabi as the starting point that is OK. We usually > just chose the CPU-coff or CPU-elf as a starting point > for CPU-rtems.
I highly recommend switching to the EABI. If you want to support recent (Thumb-2) CPUs I'd expect that you pretty much have to use an EABI based target. > What is the difference and how will it impact code? I am > worried about our assembly code. The main visible change is that that you must preserve 8-byte stack alignment at public entry points. > Is there a standard conditional to know the difference if > it matters? __ARM_EABI__ Paul