Re: [PATCH v5 0/3] Upgrade ACPI SPCR table to support SPCR table revision 4 format

[Michael S. Tsirkin]

On Wed, Aug 28, 2024 at 06:59:17PM -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

Seems most appropriate on riscv5 tree.
The code looks ok.

Reviewed-by: Michael S. Tsirkin <mst@redhat.com>


> Changes in v5:
> - Reverted the SPCR table revision history for the ARM architecture.
> - Corrected the output of the SPCR Table diff.
> 
> Changes in v4:
> - Remove the SPCR table revision 4 update for the ARM architecture.
> 
> Changes in v3:
> - Rebased on the latest QEMU.
> - Added Acked-by: Alistair Francis <alistair.francis@wdc.com>
> 
> Changes in v2:
> - Utilizes a three-patch approach to modify the ACPI pre-built binary
>   files required by the Bios-Table-Test.
> - Rebases and incorporates changes to support both ARM and RISC-V ACPI
>   pre-built binary files.
> 
> Sia Jee Heng (3):
>   qtest: allow SPCR acpi table changes
>   hw/acpi: Upgrade ACPI SPCR table to support SPCR table revision 4
>     format
>   tests/qtest/bios-tables-test: Update virt SPCR golden reference for
>     RISC-V
> 
>  hw/acpi/aml-build.c               |  20 ++++++++++++++++----
>  hw/arm/virt-acpi-build.c          |   8 ++++++--
>  hw/riscv/virt-acpi-build.c        |  12 +++++++++---
>  include/hw/acpi/acpi-defs.h       |   7 +++++--
>  include/hw/acpi/aml-build.h       |   2 +-
>  tests/data/acpi/riscv64/virt/SPCR | Bin 80 -> 90 bytes
>  6 files changed, 37 insertions(+), 12 deletions(-)
> 
> 
> base-commit: cec99171931ea79215c79661d33423ac84e63b6e
> -- 
> 2.34.1