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Date: Fri, 15 Nov 2013 17:48:03 +0800
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From: Nancy <nancydreaming@gmail.com>
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Subject: Re: [Qemu-devel] Does QEMU support MIPS SMP2 malta board?
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To: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Cc: qemu-devel@nongnu.org, qemu-discuss@nongnu.org

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