From: Rebecca Cran <rebecca@nuviainc.com>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>
Subject: Re: [PATCH v4 2/4] target/arm: Support AA32 DIT by moving PSTATE_SS from cpsr into env->pstate
Date: Wed, 3 Feb 2021 13:28:13 -0700 [thread overview]
Message-ID: <67c1c588-1210-da0e-24c2-49bb77c1d217@nuviainc.com> (raw)
In-Reply-To: <42e9640c-9798-2515-1e7d-131609078833@linaro.org>
On 2/3/21 10:17 AM, Richard Henderson wrote:
> On 2/2/21 6:58 PM, Rebecca Cran wrote:
>> if (!arm_singlestep_active(env)) {
>> - env->uncached_cpsr &= ~PSTATE_SS;
>> + env->pstate &= ~PSTATE_SS;
>> + } else {
>> + env->pstate |= PSTATE_SS;
>> }
>
> Where did this addition come from?
I thought this was needed given your comment:
"This is missing the restore of PSTATE_SS for when singlestep *is* active."
--
Rebecca Cran
next prev parent reply other threads:[~2021-02-03 20:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-03 4:58 [PATCH v4 0/4] target/arm: Add support for FEAT_DIT, Data Independent Timing Rebecca Cran
2021-02-03 4:58 ` [PATCH v4 1/4] " Rebecca Cran
2021-02-03 4:58 ` [PATCH v4 2/4] target/arm: Support AA32 DIT by moving PSTATE_SS from cpsr into env->pstate Rebecca Cran
2021-02-03 17:17 ` Richard Henderson
2021-02-03 20:28 ` Rebecca Cran [this message]
2021-02-03 20:36 ` Richard Henderson
2021-02-03 17:19 ` Richard Henderson
2021-02-08 6:50 ` Rebecca Cran
2021-02-03 4:58 ` [PATCH v4 3/4] target/arm: Set ID_AA64PFR0.DIT and ID_PFR0.DIT to 1 for "max" AA64 CPU Rebecca Cran
2021-02-03 4:58 ` [PATCH v4 4/4] target/arm: Set ID_PFR0.DIT to 1 for "max" 32-bit CPU Rebecca Cran
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