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Re: [PATCH 07/18] target/arm: add 64-bit S-EL2 to EL exception table
From: |
Richard Henderson |
Subject: |
Re: [PATCH 07/18] target/arm: add 64-bit S-EL2 to EL exception table |
Date: |
Mon, 11 Jan 2021 14:04:30 -1000 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
On 12/18/20 12:37 AM, remi.denis.courmont@huawei.com wrote:
> From: Rémi Denis-Courmont <remi.denis.courmont@huawei.com>
>
> With the ARMv8.4-SEL2 extension, EL2 is a legal exception level in
> secure mode, though it can only be AArch64.
>
> This patch adds the target EL for exceptions from 64-bit S-EL2.
>
> It also fixes the target EL to EL2 when HCR.{A,F,I}MO are set in secure
> mode. Those values were never used in practice as the effective value of
> HCR was always 0 in secure mode.
>
> Signed-off-by: Rémi Denis-Courmont <remi.denis.courmont@huawei.com>
> ---
> target/arm/helper.c | 10 +++++-----
> target/arm/op_helper.c | 4 ++--
> 2 files changed, 7 insertions(+), 7 deletions(-)
At some point I think it would be worthwhile to convert that target_el_table
back to code. It is really hard to follow with 6 indicies. Not your fault.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
- Re: [PATCH 07/18] target/arm: add 64-bit S-EL2 to EL exception table,
Richard Henderson <=