From: Nancy <nancydreaming@gmail.com>
To: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Cc: qemu-devel@nongnu.org, qemu-discuss@nongnu.org
Subject: Re: [Qemu-devel] Does QEMU support MIPS SMP2 malta board?
Date: Fri, 15 Nov 2013 17:48:03 +0800 [thread overview]
Message-ID: <CADdyJmkfAnSCb=reHSchi2E8W2XQH4Bmw5-B8R17VitKdw3JKQ@mail.gmail.com> (raw)
In-Reply-To: <20131107161330.GB31594@smtp.vpn>
It works with -cpu 34Kf, but why cpuinfo display MIPS 34Kc?
I notes the smp based on kvm implement, but there do not have kvm
implement under target-mips? how this smp implement? Is there any
document record the QEMU MIPS smp internal?
Does QEMU for MIPS target support FPU, SIMD instruction?
cat /proc/cpuinfo
system type : MIPS Malta
machine : Unknown
processor : 0
cpu model : MIPS 34Kc V0.0 FPU V0.0
BogoMIPS : 875.72
wait instruction : yes
microsecond timers : yes
tlb_entries : 16
extra interrupt vector : yes
hardware watchpoint : yes, count: 1, address/irw mask: [0x0ff8]
isa : mips1 mips2 mips32r1 mips32r2
ASEs implemented : mips16 dsp mt
shadow register sets : 16
kscratch registers : 0
core : 0
VCED exceptions : not available
VCEI exceptions : not available
processor : 1
cpu model : MIPS 34Kc V0.0 FPU V0.0
BogoMIPS : 841.31
wait instruction : yes
microsecond timers : yes
tlb_entries : 16
extra interrupt vector : yes
hardware watchpoint : yes, count: 1, address/irw mask: [0x0ff8]
isa : mips1 mips2 mips32r1 mips32r2
ASEs implemented : mips16 dsp mt
shadow register sets : 16
kscratch registers : 0
core : 1
VCED exceptions : not available
VCEI exceptions : not available
On Fri, Nov 8, 2013 at 12:13 AM, Edgar E. Iglesias
<edgar.iglesias@gmail.com> wrote:
> On Thu, Oct 31, 2013 at 11:47:12AM +0800, Nancy wrote:
>> Hi,
>>
>> Does QEMU support MIPS smp 2 malta board?
>>
>> $ qemu-system-mipsel -M malta -kernel vmlinux -initrd ramfs.cpio.gz \
>> -append "console=ttyS0 root=/dev/ram0 maxcpus=2" -nographic -s \
>> -smp 2
>>
>
> ....
>
>>
>>
>> There's no problem while I removing "-smp 2" option. (plus the kernel
>> MIPS configure file " malta_defconfig" support smp 2 )
>
>
> Hi,
>
> Yes it should work.
> Can you please try again with -cpu 34Kf?
>
> Cheers,
> Edgar
--
Best Regards,
Yu Rong Tan
next prev parent reply other threads:[~2013-11-15 9:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-31 3:47 [Qemu-devel] Does QEMU support MIPS SMP2 malta board? Nancy
2013-11-07 16:13 ` Edgar E. Iglesias
2013-11-15 9:48 ` Nancy [this message]
2013-11-15 9:59 ` James Hogan
2013-11-15 10:37 ` Edgar E. Iglesias
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