From: Richard Henderson <richard.henderson@linaro.org>
To: Peter Maydell <peter.maydell@linaro.org>,
qemu-arm@nongnu.org, qemu-devel@nongnu.org
Subject: Re: [PATCH 4/7] target/arm: Implement HCR_EL2.TTLBOS traps
Date: Sat, 29 Oct 2022 06:40:25 +1100 [thread overview]
Message-ID: <df540c0a-8aac-f255-18dc-6f182352cd5f@linaro.org> (raw)
In-Reply-To: <20221028134002.730598-5-peter.maydell@linaro.org>
On 10/29/22 00:39, Peter Maydell wrote:
> For FEAT_EVT, the HCR_EL2.TTLBOS bit allows trapping on EL1
> use of TLB maintenance instructions that operate on the
> outer shareable domain:
>
> TLBI VMALLE1OS, TLBI VAE1OS, TLBI ASIDE1OS,TLBI VAAE1OS,
> TLBI VALE1OS, TLBI VAALE1OS, TLBI RVAE1OS, TLBI RVAAE1OS,
> TLBI RVALE1OS, and TLBI RVAALE1OS.
>
> (There are no AArch32 outer-shareable TLB maintenance ops.)
>
> Implement the trapping.
>
> Signed-off-by: Peter Maydell<peter.maydell@linaro.org>
> ---
> target/arm/helper.c | 33 +++++++++++++++++++++++----------
> 1 file changed, 23 insertions(+), 10 deletions(-)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
next prev parent reply other threads:[~2022-10-28 19:40 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-28 13:39 [PATCH 0/7] target/arm: Implement FEAT_EVT Peter Maydell
2022-10-28 13:39 ` [PATCH 1/7] target/arm: Make TLBIOS and TLBIRANGE ops trap on HCR_EL2.TTLB Peter Maydell
2022-10-28 19:29 ` Richard Henderson
2022-10-28 13:39 ` [PATCH 2/7] target/arm: Allow relevant HCR bits to be written for FEAT_EVT Peter Maydell
2022-10-28 19:35 ` Richard Henderson
2022-10-28 13:39 ` [PATCH 3/7] target/arm: Implement HCR_EL2.TTLBIS traps Peter Maydell
2022-10-28 19:39 ` Richard Henderson
2022-10-28 13:39 ` [PATCH 4/7] target/arm: Implement HCR_EL2.TTLBOS traps Peter Maydell
2022-10-28 19:40 ` Richard Henderson [this message]
2022-10-28 13:40 ` [PATCH 5/7] target/arm: Implement HCR_EL2.TICAB,TOCU traps Peter Maydell
2022-10-28 19:43 ` Richard Henderson
2022-10-28 13:40 ` [PATCH 6/7] target/arm: Implement HCR_EL2.TID4 traps Peter Maydell
2022-10-28 19:46 ` Richard Henderson
2022-10-28 13:40 ` [PATCH 7/7] target/arm: Report FEAT_EVT for TCG '-cpu max' Peter Maydell
2022-10-28 19:47 ` Richard Henderson
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