Re: [Xen-devel] problems compiling xen on a crusoe

[A Streetcar Named <desire@xxxxxxxxx>]

The changes at lines 131 and 133 didn't seem to do anything (it still
keeps rebooting itself).    What does a semicolon do?

(I didn't reply yesterday as Windows seems to steal the MBR if I boot
into it, and booting from a cdrom to fix that took the better part of
half an hour yesterday, so I decided replying could wait until I found
a machine/browser that supports the javascript gmail requires...)

I didn't quite follow the discussion on 4KSTACKS and PSE, but I'll
find out what cpuinfo says when I get hold of the notebook again
tonight.

On Wed, 17 Nov 2004 21:49:52 +0000, Keir Fraser
<keir.fraser@xxxxxxxxxxxx> wrote:
> 
> A good guess (I hadn't thought of that), but the web seems to think
> the TM5800 does support PSE. It is worth a check though -- boot into
> native Linux and mail the output of 'cat /proc/cpuinfo'. Then we'll
> know for sure.
>
> > a wild guess. does TM5800 supports 4mb pages??
> >
> > On Wed, 17 Nov 2004, Keir Fraser wrote:
> >
> > > > > Then, a few possibilities that might get you further:
> > > > >
> > > > > Change line 131 to:
> > > > >  mov %cr0,%eax ; or $0x80050023,%eax
> > > > >                              ^
> > > > >                              Note this digit changed!
> > > > >
> > > > > Change line 133 to:
> > > > >  ljmp $(__HYPERVISOR_CS),$1f
> > > > >
> > > > > Let me know how you get on with these changes.
> > > >
> > > > I'm not clear what you mean by this.  Do you want me to change the
> > > > source to this and compile it?
> > > >
> > > >    128 start_paging:
> > > >    129         mov     $idle_pg_table-__PAGE_OFFSET,%eax
> > > >    130         mov     %eax,%cr3
> > > >    131         mov %cr0,%eax ; or $0x80050023,%eax
> > > >    132         mov     %eax,%cr0
> > > >    133         ljmp $(__HYPERVISOR_CS),$1f
> > > >    134 1:      /* Install relocated selectors (FS/GS unused). */
> > > >    135         lgdt    gdt_descr
> > >
> > > That's right. Recompile with above changes and see if it still
> > > reboots.
> > >
> > >  -- Keir
> > >
> > >
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> >
> 
>


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