Urbez Santana Roma wrote: > Thanks for answer Rudolf, the CPU can SSE and SSE2, when runs with > normal BIOS the instruction "movd %eax,%xmm0" works in, but if the > linuxbios need working with sse and sse2 with a microKernel for > example, this instruction produces a exception. > > My contents of the /proc/cpuinfo says: > > processor : 0 > vendor_id : CentaurHauls > cpu family : 6 > model : 10 > model name : VIA Esther processor 1000MHz > stepping : 9 > cpu MHz : 65535.000 >
Huh? This is in LB or factory bios? > cache size : 128 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 pae mce sep mtrr pge cmov pat > clflush acpi mmx fxsr sse sse2 tm up pni est tm2 rng rng_en ace ace_en > ace2 ace2_en phe phe_en pmm pmm_en > bogomips : 1598.31 > clflush size : 64 > > The problem is that the BIOS must enable XMM registers or the flags from > CR4? if not > only works MMX registers with SSE and SSE2 integer addons. > > And i not known what must this CPU for enable it, or all CPU's. > > Lots of thanks if one can help me!. > Hmm, I'm looking at the datasheet right now, and there doesn't seem to be any MMX control in the CR4 register, however bit 10 is this: OSXMMEXCPT: OS Unmasked exception support and it can be set to 1 to enable. This is the only mention of XMM in the entire datasheet. Hope this helps, Corey > El vie, 28-12-2007 a las 21:24 +0100, Rudolf Marek escribió: > >> Hi, >> >> You need to have CPU of model 9. >> >> What cat /proc/cpuinfo says? >> >> (or apt-get install cpuid; cpuid ) >> >> Thanks, >> Rudolf >> -- linuxbios mailing list linuxbios@linuxbios.org http://www.linuxbios.org/mailman/listinfo/linuxbios
