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Re: [Qemu-arm] [Qemu-devel] [PATCH] target/arm: Implement NSACR gating o
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-arm] [Qemu-devel] [PATCH] target/arm: Implement NSACR gating of floating point |
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Date: |
Fri, 3 May 2019 10:29:12 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 |
On 5/3/19 6:13 AM, Peter Maydell wrote:
> On Sat, 13 Apr 2019 at 08:07, Richard Henderson
>> This one does do the right thing, but better to clear the bits on write to
>> NSACR. This lets you avoid the change to fp_exception_el, and the missing
>> change to sve_exception_el.
>
> Hi Richard -- I was just going through the review comments on this
> patchset, and I saw this bit. Could you clarify what you mean by
> "the missing change to sve_exception_el" ? Since SVE is AArch64 only,
> there can't be any configs where we have SVE and EL3 is AArch32,
> so I don't think these two features should be able to interact.
You're right. I'm going to assume I had been insufficiently caffeinated at the
time.
r~