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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