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 v5 2/4] target/arm: Support AA32 DIT by moving PSTATE_SS from cpsr into env->pstate
Date: Sun, 7 Feb 2021 23:15:30 -0800 [thread overview]
Message-ID: <4549fd4b-ae6b-3a6f-80ce-5fc7c4317961@linaro.org> (raw)
In-Reply-To: <20210208065700.19454-3-rebecca@nuviainc.com>
On 2/7/21 10:56 PM, Rebecca Cran wrote:
> cpsr has been treated as being the same as spsr, but it isn't.
> Since PSTATE_SS isn't in cpsr, remove it and move it into env->pstate.
>
> This allows us to add support for CPSR_DIT, adding helper functions
> to merge SPSR_ELx to and from CPSR.
>
> Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
> ---
> target/arm/helper-a64.c | 27 +++++++++++++++++---
> target/arm/helper.c | 24 ++++++++++++-----
> target/arm/op_helper.c | 9 +------
> 3 files changed, 42 insertions(+), 18 deletions(-)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
next prev parent reply other threads:[~2021-02-08 14:19 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-08 6:56 [PATCH v5 0/4] target/arm: Add support for FEAT_DIT, Data Independent Timing Rebecca Cran
2021-02-08 6:56 ` [PATCH v5 1/4] " Rebecca Cran
2021-02-08 6:56 ` [PATCH v5 2/4] target/arm: Support AA32 DIT by moving PSTATE_SS from cpsr into env->pstate Rebecca Cran
2021-02-08 7:15 ` Richard Henderson [this message]
2021-02-08 6:56 ` [PATCH v5 3/4] target/arm: Set ID_AA64PFR0.DIT and ID_PFR0.DIT to 1 for "max" AA64 CPU Rebecca Cran
2021-02-08 6:57 ` [PATCH v5 4/4] target/arm: Set ID_PFR0.DIT to 1 for "max" 32-bit CPU Rebecca Cran
2021-02-09 9:37 ` [PATCH v5 0/4] target/arm: Add support for FEAT_DIT, Data Independent Timing Peter Maydell
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