Date: Mon, 11 Nov 2002 19:05:02 +0100 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: John Baldwin <jhb@FreeBSD.org> Cc: Andrew Gallatin <gallatin@cs.duke.edu>, alpha@FreeBSD.org Subject: Re: ev4/5/6 issue ? Message-ID: <57666.1037037902@critter.freebsd.dk> In-Reply-To: Your message of "Mon, 11 Nov 2002 13:02:45 EST." <XFMail.20021111130245.jhb@FreeBSD.org>
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In message <XFMail.20021111130245.jhb@FreeBSD.org>, John Baldwin writes:
>
>On 11-Nov-2002 Poul-Henning Kamp wrote:
>> In message <XFMail.20021111122315.jhb@FreeBSD.org>, John Baldwin writes:
>>>
>>>On 11-Nov-2002 Poul-Henning Kamp wrote:
>>>> In message <15823.51765.171947.796322@grasshopper.cs.duke.edu>, Andrew Gallatin
>>>> writes:
>>>>
>>>>>Your initial assertion that this might be happening because the
>>>>>libraries are built for ev6 on beast could be true. Can you verify
>>>>>that that 12001f4e4 is indeed inside a library function using nm?
>>>>
>>>> Well, GDB said that much already.
>>>>
>>>>>That doesn't solve the initial problem of why your make was busted,
>>>>>though. If its in the libs, then your libs are likely busted too.
>>>>>Perhaps you'll also need to build a libc on beast, explicitly
>>>>>setting your cpuflags to ev4. Or perhaps the compiler is emitting
>>>>>FIX instructions when it should not.
>>>>
>>>> I think ev4 should be the default on beast.
>>>
>>>This release wasn't built on beast. It was built on a DS20 (which
>>>is an EV6). However, it should be built with '-mcpu=ev4 -mtune=ev6'
>>>so it should not be using any !ev4 instructions. Perhaps -mtune
>>>is broken?
>>
>> Could be, but I tried to build some binaries on beast to recover
>> and was bitten by beast generating ev6 as default.
>
>make CPUTYPE="" all
I'm not convinced that works for a kernel actually. sys/conf/kern.mk
contains:
.if ${MACHINE_ARCH} == "alpha"
CFLAGS+= -mno-fp-regs -ffixed-8 -Wa,-mev6
.endif
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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