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Re: [PATCH 09/17] target/arm: add MMU stage 1 for Secure EL2
From: |
Richard Henderson |
Subject: |
Re: [PATCH 09/17] target/arm: add MMU stage 1 for Secure EL2 |
Date: |
Fri, 13 Nov 2020 13:26:08 -0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
On 11/9/20 6:10 AM, remi.denis.courmont@huawei.com wrote:
> From: Rémi Denis-Courmont <remi.denis.courmont@huawei.com>
>
> This adds the MMU indices for EL2 stage 1 in secure mode.
>
> To keep code contained, which is largelly identical between secure and
> non-secure modes, the MMU indices are reassigned. The new assignments
> provide a systematic pattern with a non-secure bit.
>
> Signed-off-by: Rémi Denis-Courmont <remi.denis.courmont@huawei.com>
> ---
> target/arm/cpu-param.h | 2 +-
> target/arm/cpu.h | 37 +++++++----
> target/arm/helper.c | 127 ++++++++++++++++++++++++-------------
> target/arm/internals.h | 12 ++++
> target/arm/translate-a64.c | 4 ++
> 5 files changed, 124 insertions(+), 58 deletions(-)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
- [PATCH 02/17] target/arm: add arm_is_el2_enabled() helper, (continued)
- [PATCH 02/17] target/arm: add arm_is_el2_enabled() helper, remi . denis . courmont, 2020/11/09
- [PATCH 03/17] target/arm: use arm_is_el2_enabled() where applicable, remi . denis . courmont, 2020/11/09
- [PATCH 07/17] target/arm: add 64-bit S-EL2 to EL exception table, remi . denis . courmont, 2020/11/09
- [PATCH 04/17] target/arm: use arm_hcr_el2_eff() where applicable, remi . denis . courmont, 2020/11/09
- [PATCH 06/17] target/arm: declare new AA64PFR0 bit-fields, remi . denis . courmont, 2020/11/09
- [PATCH 11/17] target/arm: do S1_ptw_translate() before address space lookup, remi . denis . courmont, 2020/11/09
- [PATCH 08/17] target/arm: return the stage 2 index for stage 1, remi . denis . courmont, 2020/11/09
- [PATCH 09/17] target/arm: add MMU stage 1 for Secure EL2, remi . denis . courmont, 2020/11/09
- Re: [PATCH 09/17] target/arm: add MMU stage 1 for Secure EL2,
Richard Henderson <=
- [PATCH 14/17] target/arm: set HPFAR_EL2.NS on secure stage 2 faults, remi . denis . courmont, 2020/11/09
- [PATCH 15/17] target/arm: add ARMv8.4-SEL2 extension, remi . denis . courmont, 2020/11/09
- [PATCH 17/17] target/arm: refactor vae1_tlbmask(), remi . denis . courmont, 2020/11/09
- [PATCH 10/17] target/arm: add ARMv8.4-SEL2 system registers, remi . denis . courmont, 2020/11/09
- [PATCH 12/17] target/arm: secure stage 2 translation regime, remi . denis . courmont, 2020/11/09
- [PATCH 13/17] target/arm: handle VMID change in secure state, remi . denis . courmont, 2020/11/09
- [PATCH 16/17] target/arm: enable Secure EL2 in max CPU, remi . denis . courmont, 2020/11/09