[Celinux-dev] [Q] TinyLinux project status (resend)

[Thomas Petazzoni]

Le Thu, 26 Apr 2012 20:13:08 +1000,
Greg Ungerer <gerg at snapgear.com> a écrit :

> > I haven't posted it anywhere else because it's a hack to workaround a
> > Qemu problem: the 5208 apparently has support for separate supervisor
> > and userspace stack pointers (through two different registers), but
> > Qemu doesn't emulate that. So I think it's a flaw in Qemu emulation
> > rather than a kernel problem, but it was easier for now to workaround
> > it by just adding one "select COLDFIRE_SW_A7".
> 
> Ah, ok. I only put the dual stack pointer support in a year or 2 back.
> And it is only supported on the more modern ColdFire's, guess the QEMU
> support is for the simpler parts :-)

Well, either Qemu pretends to emulate a 5208 and it should support the
dual stack pointer thing, or it shouldn't pretend to emulate a 5208.

Am I correct in my understanding is that the 5208 hardware does support
dual stack pointers?

Best regards,

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com