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Re: [PATCH v3 7/7] target/arm: Honor the HCR_EL2.TTLB bit
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From: |
Richard Henderson |
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Subject: |
Re: [PATCH v3 7/7] target/arm: Honor the HCR_EL2.TTLB bit |
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Date: |
Tue, 25 Feb 2020 09:46:43 -0800 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 |
On 2/25/20 4:01 AM, Peter Maydell wrote:
> The set of operations this traps differs when ARMv8.4-TLBI is
> implemented. It looks like you've applied this access fn to
> the wider with-v8.4-TLBI set? (eg TLBI_VMALLE1 is only trapped
> with ARMv8.4-TLBI, not without.)
Um, that's not true.
ARMv8.4-TLBI adds the *OS and R* insns, and extends this bit to apply there.
But all of the original v8.0 insns are unchanged.
r~
- [PATCH v3 4/7] target/arm: Honor the HCR_EL2.TACR bit, (continued)
- [PATCH v3 4/7] target/arm: Honor the HCR_EL2.TACR bit, Richard Henderson, 2020/02/18
- [PATCH v3 3/7] target/arm: Honor the HCR_EL2.TSW bit, Richard Henderson, 2020/02/18
- [PATCH v3 5/7] target/arm: Honor the HCR_EL2.TPCP bit, Richard Henderson, 2020/02/18
- [PATCH v3 6/7] target/arm: Honor the HCR_EL2.TPU bit, Richard Henderson, 2020/02/18
- [PATCH v3 7/7] target/arm: Honor the HCR_EL2.TTLB bit, Richard Henderson, 2020/02/18
- Re: [PATCH v3 0/7] target/arm: Honor more HCR_EL2 traps, Peter Maydell, 2020/02/25