Re: [RFC PATCH 1/2] riscv: vendors: andes: Add support to configure the PMA regions

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On 08/09/2022 12:50, Lad, Prabhakar wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> Hi Guo,
> 
>>> -----Original Message-----
>>> From: Conor.Dooley@xxxxxxxxxxxxx <Conor.Dooley@xxxxxxxxxxxxx>
>>> Sent: 08 September 2022 00:38
>>> To: atishp@xxxxxxxxxxxxxx
>>> Cc: Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>;
>>> paul.walmsley@xxxxxxxxxx; palmer@xxxxxxxxxxx; aou@xxxxxxxxxxxxxxxxx;
>>> atishp@xxxxxxxxxxxx; apatel@xxxxxxxxxxxxxxxx; geert+renesas@xxxxxxxxx;
>>> linux-riscv@xxxxxxxxxxxxxxxxxxx; linux-renesas-soc@xxxxxxxxxxxxxxx;
>>> linux-kernel@xxxxxxxxxxxxxxx; prabhakar.csengg@xxxxxxxxx; Biju Das
>>> <biju.das.jz@xxxxxxxxxxxxxx>
>>> Subject: Re: [RFC PATCH 1/2] riscv: vendors: andes: Add support to
>>> configure the PMA regions
>>>
>>> On 07/09/2022 22:52, Atish Patra wrote:
>>>> EXTERNAL EMAIL: Do not click links or open attachments unless you know
>>>> the content is safe
>>>>
>>>>
>>>> On Tue, Sep 6, 2022 at 3:40 AM <Conor.Dooley@xxxxxxxxxxxxx
>>>> <mailto:Conor.Dooley@xxxxxxxxxxxxx>> wrote:
>>>>
>>>> On 06/09/2022 11:21, Lad Prabhakar wrote:
>>>>
>>>>> diff --git a/arch/riscv/include/asm/sbi.h
>>>>> b/arch/riscv/include/asm/sbi.h index 2a0ef738695e..10a7c855d125
>>>>> 100644 --- a/arch/riscv/include/asm/sbi.h +++
>>>>> b/arch/riscv/include/asm/sbi.h @@ -37,6 +37,7 @@ enum sbi_ext_id {
>>>>>
>>>>> /* Vendor extensions must lie within this range */
>>>>> SBI_EXT_VENDOR_START = 0x09000000, +       SBI_EXT_ANDES =
>>>>> 0x0900031E, SBI_EXT_VENDOR_END = 0x09FFFFFF, };
>>>>
> I am interested to know what is the status of your patch series [0].
> 
> [0] https://lore.kernel.org/lkml/20210606143848.GA5983@xxxxxx/T/#m7f4c4cdfb92d6c8672bbfabebda729ce4700e177

Heh, take a look at:
git grep "ERRATA_THEAD*"

This is all can-of-worms territory that we are heading to here, as
the Zicbo* extensions is what is meant to be doing these sorts of
things..






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