Date: Thu, 3 Dec 2009 21:15:10 +0100 (CET) From: =?iso-8859-2?Q?G=F3t_Andr=E1s?= <andrej@antiszoc.hu> To: "Wiktor Niesiobedzki" <bsd@w.evip.pl> Cc: freebsd-embedded <freebsd-embedded@freebsd.org>, freebsd-amd64 <freebsd-amd64@freebsd.org> Subject: Re: 64-bit support on VIA C7 - on FreeBSD 8.0 Message-ID: <43003.188.157.90.138.1259871310.squirrel@mail.deployis.eu> In-Reply-To: <2ae8edf30912031035j14443854y6551bb7b125d8550@mail.gmail.com> References: <2ae8edf30912031035j14443854y6551bb7b125d8550@mail.gmail.com>
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Hi, Where do you exactly see that this cpu supports amd64? Why do you need it on an embedded platform? Regards, Andras On Csü, December 3, 2009 7:35 pm, Wiktor Niesiobedzki wrote: > Hi, > > > I'm owner of a new VIA SN10000 mini-ITX mainboard which comes together > with VIA C7 processor. During boot it is detected as: CPU: VIA Esther > processor 1000MHz (997.51-MHz 686-class CPU) Origin = "CentaurHauls" Id = > 0x6a9 Stepping = 9 > Features=0xa7c9baff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,APIC,SEP,MTRR,PGE,CMOV, > PAT,CLFLUSH,ACPI,MMX,FXSR,SSE,SSE2,TM,PBE> > Features2=0x181<SSE3,EST,TM2> > VIA Padlock Features=0x3fcc<RNG,AES,AES-CTR,SHA1,SHA256,RSA> > > > As far as I understand, this processor should support 64-bit mode and > I should be able to boot amd64 FreeBSD. > > > Playing with memstick image for amd64 I get: > "CPU doesn't support long mode" > > > As far as I've checked, I'm missing AMDID_LM flag, as the expression > from bootinfo64.c: /* Check for long mode. */ > do_cpuid(0x80000001, regs); return (regs[3] & AMDID_LM); > > Returns 0, as regs[3] is 0. > > > As far as I've checked the mailing lists, there was an issue with > missing support for CentaurHauls vendor, but this is not the case, as the > failing check is later in the code. > > Do anyone has any experience with this family of processors? Are they > different brands (supporting 64-bit mode and not)? I tried to look for some > magic settings in BIOS, but none of it looked, like it could change > anything here. > > Any hints? > > > > Cheers, > > > Wiktor Niesiobedzki > _______________________________________________ > freebsd-amd64@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-amd64 > To unsubscribe, send any mail to "freebsd-amd64-unsubscribe@freebsd.org" > >
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