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

[A Streetcar Named <desire@xxxxxxxxx>]

processor       : 0
vendor_id       : GenuineTMx86
cpu family      : 6
model           : 4
model name      : Transmeta(tm) Crusoe(tm) Processor TM5800
stepping        : 3
cpu MHz         : 995.547
cache size      : 512 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr cx8 sep cmov mmx longrun lrti
bogomips        : 1966.08


On Thu, 18 Nov 2004 15:40:39 +0800, A Streetcar Named <desire@xxxxxxxxx> wrote:
> 
> 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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