Date: Sun, 28 Oct 2001 09:34:14 -0700 (PST) From: John Baldwin <jhb@FreeBSD.org> To: cameron grant <gandalf@vilnya.demon.co.uk> Cc: freebsd-current@FreeBSD.ORG, freebsd-stable@FreeBSD.ORG, jerry@thehutt.org, peter@wemm.org, clefevre@citeweb.net, sobomax@FreeBSD.org Subject: Re: adding athlon xp to bsd.cpu.mk Message-ID: <XFMail.011028093414.jhb@FreeBSD.org> In-Reply-To: <006101c15fb9$ac5d03d0$0504020a@haveblue>
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On 28-Oct-01 cameron grant wrote: >> What about new Durons based on the Palomino core? The problem is >> that as far as I know they have nothing in their name (like XP in >> Athlon's case) that distinguishes them from older Durons based on >> the Thunderbird core, while they do support SSE in addition to >> 3DNow and MMX. Perhaps it would be better to introduce new variable >> CPUCORE, so the user could use something like the following: > > from what i can see, identcpu.c fetches the cpu name using a cpuid > instruction. The part cpuid gives you is "AuthenticAMD". The fancy name is determined by switching on the Id. > my system with dual 1.1ghz durons identifies as: > > CPU: AMD Duron(tm) MP Processor (1110.94-MHz 686-class CPU) > Origin = "AuthenticAMD" Id = 0x670 Stepping = 0 > > Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA, > CMOV,PAT,PSE36,MMX,FXSR,SSE> > AMD Features=0xc0440000<<b18>,AMIE,DSP,3DNow!> > > the entire "AMD Duron(tm) MP Processor" string appears to originate from the > cpu, so i would suggest that the processor is named duron mp. the ident > string does not change when booting a non-smp kernel, so unless the cpu is > detecting the chipset as dual cpu or the bios is reprogramming the cpu, that > is actually what amd have named the 1.0+ghz durons. > > -cg > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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