[PATCH v6 0/3] Upgrade ACPI SPCR table to support SPCR table revision 4 format

[Sia Jee Heng <jeeheng.sia@starfivetech.com>]

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

Changes in v6:
- Added Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
- Rebase and update the build_spcr() function for the LoongArch virt machine.

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/loongarch/acpi-build.c         |   6 +++++-
 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
 7 files changed, 42 insertions(+), 13 deletions(-)


base-commit: cea8ac78545a83e1f01c94d89d6f5a3f6b5c05d2
-- 
2.43.0