[oe] Understanding what qemuppc emulates and getting it to emulate a ppc440 CPU

[Elvis Dowson]

Hi,

On Jun 4, 2012, at 11:07 AM, Elvis Dowson wrote:

> I've originally built my yocto images for a virtex5 machine, and would like to test it on an emulator. The Virtex-5 FXT processor is an FPGA which contains an embedded  PowerPC440 CPU
> 
> Now if I specify machine=qemuppc, wouldn't that just be generic PowerPC CPU? 
> 
> There are so many ppc CPU variants, like ppc405, ppc440, ppc603e, etc.
> 
> Can the yocto build environment be modified so that the qemuppc emulator emulates at least the ppc440 CPU subset?

After downloading the QEMU sources, I see that there is QEMU support for the Xilinx ML507 development board in the file hw/virtex-ml507.c

I guess now the next step it to configure Yocto to build a specific QEMU machine for the Xilinx ML507.

Elvis Dowson