From: Richard Henderson <richard.henderson@linaro.org>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-devel@nongnu.org, qemu-arm@nongnu.org
Subject: Re: [PATCH 2/2] target/arm: Check V7VE as well as LPAE in arm_pamax
Date: Fri, 24 Jun 2022 10:42:48 -0700 [thread overview]
Message-ID: <758aba2d-bf7c-8356-aaa4-5104cde8c54c@linaro.org> (raw)
In-Reply-To: <CAFEAcA-zUJV2FdFWM2UdS1BDrh_3Tw1p+vHkMoEn7g1G5kArMg@mail.gmail.com>
On 6/24/22 09:27, Peter Maydell wrote:
>> + /*
>> + * In machvirt_init, we call arm_pamax on a cpu that is not fully
>> + * initialized, so we can't rely on the propagation done in realize.
>> + */
>> + if (arm_feature(&cpu->env, ARM_FEATURE_LPAE) ||
>> + arm_feature(&cpu->env, ARM_FEATURE_V7VE)) {
>> /* v7 with LPAE */
>> return 40;
>
> I guess this is expedient, so on that basis
> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
>
> but as I mentioned in the gitlab issue it's kind of bogus
> that the virt board is doing stuff to a non-realized CPU object.
My first look suggested that the virt board wasn't even setting all of the cpu properties
properly, so realization might not help. I meant to go back again and soend more time,
but that hasn't happened yet.
r~
next prev parent reply other threads:[~2022-06-24 17:44 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-19 0:15 [PATCH 0/2] target/arm: Fix issue 1078 Richard Henderson
2022-06-19 0:15 ` [PATCH 1/2] target/arm: Extend arm_pamax to more than aarch64 Richard Henderson
2022-06-24 16:25 ` Peter Maydell
2022-06-19 0:15 ` [PATCH 2/2] target/arm: Check V7VE as well as LPAE in arm_pamax Richard Henderson
2022-06-24 16:27 ` Peter Maydell
2022-06-24 17:42 ` Richard Henderson [this message]
2022-06-21 2:57 ` [PATCH 0/2] target/arm: Fix issue 1078 He Zhe
2022-06-24 16:32 ` Peter Maydell
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