> -----Original Message-----
> From: Sunil V L <suni...@ventanamicro.com>
> Sent: Friday, August 23, 2024 10:29 PM
> To: JeeHeng Sia <jeeheng....@starfivetech.com>
> Cc: qemu-...@nongnu.org; qemu-devel@nongnu.org; qemu-ri...@nongnu.org;
> m...@redhat.com; imamm...@redhat.com;
> anisi...@redhat.com; peter.mayd...@linaro.org; shannon.zha...@gmail.com;
> pal...@dabbelt.com; alistair.fran...@wdc.com;
> bin.m...@windriver.com; liwei1...@gmail.com; dbarb...@ventanamicro.com;
> zhiwei_...@linux.alibaba.com
> Subject: Re: [PATCH RESEND v4 0/3] Upgrade ACPI SPCR table to support SPCR
> table revision 4 format
>
> Hi Jee Heng,
> On Fri, Aug 23, 2024 at 04:31:39AM -0700, Sia Jee Heng wrote:
> > Update the SPCR table to accommodate the SPCR Table revision 4 [1].
> > The SPCR table has been modified to adhere to the revision 4 format [2].
> >
> > Meanwhile, the virt SPCR golden reference file for RISC-V have been updated
> > to
> > accommodate the SPCR Table revision 4.
> >
> > [1]:
> > https://learn.microsoft.com/en-us/windows-hardware/drivers/serports/serial-port-console-redirection-table
> > [2]: https://github.com/acpica/acpica/pull/931
> >
> Just curious - whether this needs changes in linux side as well? Does
> current linux code work fine with version 4 of SPCR table on RISC-V?
The current Linux ACPI Table has not yet been updated to support SPCR v4.
However, Linux RISC-V will be able to use the information in the QEMU's
SPCR table to boot with behaviour similar to ARM.
>
> Thanks,
> Sunil
