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From: | Richard Henderson |
Subject: | Re: [PATCH v2 2/3] target/arm: Add support for FEAT_DIT, Data Independent Timing |
Date: | Fri, 22 Jan 2021 11:07:22 -1000 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
On 1/21/21 6:45 PM, Rebecca Cran wrote: > Add support for FEAT_DIT. DIT (Data Independent Timing) is a required > feature for ARMv8.4. Since virtual machine execution is largely > nondeterministic and TCG is outside of the security domain, it's > implemented as a NOP. > > Signed-off-by: Rebecca Cran <rebecca@nuviainc.com> > --- > target/arm/cpu.h | 12 +++++++++++ > target/arm/helper.c | 22 ++++++++++++++++++++ > target/arm/internals.h | 6 ++++++ > target/arm/translate-a64.c | 12 +++++++++++ > 4 files changed, 52 insertions(+) Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
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