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From: Richard Henderson <richard.henderson@linaro.org>
To: Rebecca Cran <rebecca@nuviainc.com>, 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 07:19:20 -1000	[thread overview]
Message-ID: <a85fa6f0-d6ee-5811-4c7f-d2830b8eafb9@linaro.org> (raw)
In-Reply-To: <20210203045816.10953-3-rebecca@nuviainc.com>

On 2/2/21 6:58 PM, Rebecca Cran wrote:
> @@ -9433,8 +9448,9 @@ static void take_aarch32_exception(CPUARMState *env, int new_mode,
>       * For exceptions taken to AArch32 we must clear the SS bit in both
>       * PSTATE and in the old-state value we save to SPSR_<mode>, so zero it now.
>       */
> -    env->uncached_cpsr &= ~PSTATE_SS;
> -    env->spsr = cpsr_read(env);
> +    env->pstate &= ~PSTATE_SS;
> +    env->spsr = cpsr_read_for_spsr_elx(env);
> +

Again, this is the aarch32 exception path, and should not use
cpsr_read_for_spsr_elx.


r~


  parent reply	other threads:[~2021-02-03 17:24 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
2021-02-03 20:36       ` Richard Henderson
2021-02-03 17:19   ` Richard Henderson [this message]
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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