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Re: [Qemu-devel] [PATCH 00/10] target/arm: Some pieces of support for 32
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PATCH 00/10] target/arm: Some pieces of support for 32-bit Hyp mode |
Date: |
Wed, 15 Aug 2018 12:13:14 +0100 |
On 15 August 2018 at 12:04, Edgar E. Iglesias <address@hidden> wrote:
> On Tue, Aug 14, 2018 at 01:42:44PM +0100, Peter Maydell wrote:
>> I also noticed that we fail to implement really quite a lot
>> of the HCR_EL2 trap semantics for either AArch64 or AArch32,
>> to the extent that I'm surprised that nested guests work
>> under AArch64 :-)
>
> Yes, we've have an entry for a while in our TODO list to improve
> HCR trapping but haven't gotten around to it. IIRC, at the time
> when we where bringing the EL2 stuff up, quite little was actually
> being used by KVM/Xen.
We're also I think not correctly implementing some of
the required upgrades of TLB maintenance ops to inner-shareable,
so I suspect that operation in SMP configs will be flaky.
thanks
-- PMM
- [Qemu-devel] [PATCH 03/10] target/arm: Implement RAZ/WI HACTLR2, (continued)
- [Qemu-devel] [PATCH 03/10] target/arm: Implement RAZ/WI HACTLR2, Peter Maydell, 2018/08/14
- [Qemu-devel] [PATCH 01/10] target/arm: Correct typo in HAMAIR1 regdef name, Peter Maydell, 2018/08/14
- [Qemu-devel] [PATCH 10/10] target/arm: Implement support for taking exceptions to Hyp mode, Peter Maydell, 2018/08/14
- Re: [Qemu-devel] [PATCH 00/10] target/arm: Some pieces of support for 32-bit Hyp mode, Edgar E. Iglesias, 2018/08/15
- Re: [Qemu-devel] [PATCH 00/10] target/arm: Some pieces of support for 32-bit Hyp mode,
Peter Maydell <=
- Re: [Qemu-devel] [Qemu-arm] [PATCH 00/10] target/arm: Some pieces of support for 32-bit Hyp mode, Peter Maydell, 2018/08/17