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Re: [Qemu-devel] [PATCH] target-arm: fix REVIDR reset value
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From: |
Sergey Fedorov |
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Subject: |
Re: [Qemu-devel] [PATCH] target-arm: fix REVIDR reset value |
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Date: |
Wed, 03 Jun 2015 10:42:07 +0300 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 |
On 02.06.2015 16:54, Peter Maydell wrote:
> On 2 June 2015 at 13:21, Sergey Fedorov <address@hidden> wrote:
>> According to ARM Cortex-A57 TRM, REVIDR reset value should be zero. So
>> let REVIDR reset value be specified by CPU model and fix it for
>> Cortex-A57.
>>
>> Signed-off-by: Sergey Fedorov <address@hidden>
>> --
> Do you have guest software that actually cares about the REVIDR?
> What's it doing with the value?
>
> thanks
> -- PMM
Linux kernel reads this register. I just saw a strange value and checked
it against TRM.
Regards,
Sergey