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Re: [Qemu-devel] [PATCH] target-arm: Fix arm_el_is_aa64() function to su
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From: |
Sergey Sorokin |
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Subject: |
Re: [Qemu-devel] [PATCH] target-arm: Fix arm_el_is_aa64() function to support EL2 and EL3 |
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Date: |
Wed, 02 Sep 2015 09:31:37 +0300 |
01.09.2015, 19:26, "Peter Maydell" <address@hidden>:
> On 17 July 2015 at 17:01, Sergey Sorokin <address@hidden> wrote:
>> Function arm_el_is_aa64() was fixed to support EL2 and EL3.
>> It is needed for a future support of EL2 and/or EL3,
>> and 32 bit EL1 support for ARMv8 cpu.
>> ARM_FEATURE_AARCH64 flag means that the highest exception level is
>> in Aarch64 state. The state of lower exception levels is controlled
>> by the HCR_EL2.RW, SCR_EL3.RW and SCR_EL3.NS bits.
>> If EL2 or EL3 is not permitted by the appropriate ARM_FEATURE flag,
>> then the function arm_el_is_aa64() aborts on the attempt to get
>> the bittness of this EL.
>
> Hi; are you planning to submit a version 2 of this patch?
>
> thanks
> -- PMM
Yes. Sorry, a lot of work. I'll try to send it today.