On Sat, Aug 16, 2008 at 09:44:22AM -0500, David Fries wrote:
> On Sat, Aug 16, 2008 at 02:33:17PM +0200, Robert Millan wrote:
> >
> > We have 4 ports on i386. A proper implementation of grub_cpu_idle
> > should work fine on all of them. When I say "proper" I mean that
> > 'hlt' instruction shoul
On Sat, Aug 16, 2008 at 02:33:17PM +0200, Robert Millan wrote:
> On Fri, Aug 15, 2008 at 10:11:09PM -0500, David Fries wrote:
> > [...]. Until I have an
> > application for it, I'll have to let someone else implement support
> > for grub_cpu_idle.
>
> We have 4 ports on i386. A proper implementa
On Fri, Aug 15, 2008 at 10:11:09PM -0500, David Fries wrote:
> [...]. Until I have an
> application for it, I'll have to let someone else implement support
> for grub_cpu_idle.
We have 4 ports on i386. A proper implementation of grub_cpu_idle
should work fine on all of them. When I say "proper"
On Tue, Aug 12, 2008 at 11:10:37AM +0200, Robert Millan wrote:
>
> Hi David,
>
> I'm sorry that you already went on to provide a patch, but the problem is
> not that.
>
> The problem is that on some platforms (like coreboot), the firmware won't
> setup any IDT for us, and so we need to do this o
David Fries <[EMAIL PROTECTED]> writes:
> Enable grub_cpu_idle for i386 to halt the CPU and modify the menu code
> to make use of it. This will save power when booting.
> Or maybe I should say it will keep the CPU from running so hot when
> the timer is counting down.
>
> It isn't safe to call ha
On Tue, Aug 12, 2008 at 11:10:37AM +0200, Robert Millan wrote:
> > +void
> > +grub_cpu_idle ()
> > +{
> > + struct timespec req={0,1};
> > + nanosleep (&req, NULL);
> > +}
>
> grub_cpu_idle is intended to be a (cpu-independant) primitive, not a stub for
> nanosleep.
Ah, sorry. I notice you're
On Mon, Aug 11, 2008 at 10:07:08PM -0500, David Fries wrote:
> Enable grub_cpu_idle for i386 to halt the CPU and modify the menu code
> to make use of it. This will save power when booting.
> Or maybe I should say it will keep the CPU from running so hot when
> the timer is counting down.
>
> It
Enable grub_cpu_idle for i386 to halt the CPU and modify the menu code
to make use of it. This will save power when booting.
Or maybe I should say it will keep the CPU from running so hot when
the timer is counting down.
It isn't safe to call halt in protected mode as interrupts are
disabled. I
