Cortex-M3 support?
Gene Smith
gds at chartertn.net
Mon Mar 1 19:59:06 UTC 2010
xu ray wrote:
>
>
> You can refer to make/custom/rtl22xx_t.cfg and rtl22xx_t BSP. This is a
> Thumb BSP. Try the "-mcpu=cortex-m3 -mthumb" flag for cortext-m3. I
> think no one have ever tried the cortex-m3 flag with rtems tool chain
> yet, hoping it works for you. Btw, minimum code size for rtl22xx_t is
> about 16K with 2K .bss/.data space, and the binary removed the
> filesystem and libc overhead. What is your requirement for RAM and ROM
> space?
>
Using a very small cortex-m3 now. 64k flash, 10k ram. Sounds interesting
if I can get the app to fit. :)
For fun, built my current project (no rtos) with rtems chain and it
built. Don't remember if I tried to run it.
-gene
More information about the users
mailing list