Re: [PATCH v2 0/3] hw/arm/virt_acpi_build: Generate DBG2 table

[Igor Mammedov]

On Mon,  6 Sep 2021 14:31:36 +0200
Eric Auger <eric.auger@redhat.com> wrote:

> This series generates the ACPI DBG2 table along with machvirt.
> It applies on top of Igor's
> [PATCH v2 00/35] acpi: refactor error prone build_header() and
> packed structures usage in ACPI tables


FYI: I'm preparing to post v3 today, with so far received feedback
addressed. Change that will affect 3/3 is
 s/acpi_init_table|acpi_table_composed/acpi_table_begin|acpi_table_end/


> The DBG2 specification can be found at
> https://docs.microsoft.com/en-us/windows-hardware/drivers/bringup/acpi-debug-port-table.
> 
> DBG2 is mandated by ARM SBBR since its v1.0 release (the rationale
> behind is Windows requires it on all systems).
> 
> The DBG2 is used to describe a debug port, used by the kernel debugger.
> 
> This series and its dependency can be found at
> https://github.com/eauger/qemu.git
> branch: dbg2-v2-igor-v2-fix
> 
> History:
> v1 -> v2:
> - rebase on top of Igor's series and use acpi_init_table/acpi_table_composed
>   and build_append_int_noprefix()
> 
> Eric Auger (3):
>   tests/acpi: Add void table for virt/DBG2 bios-tables-test

>   bios-tables-test: Generate reference table for virt/DBG2
>   hw/arm/virt_acpi_build: Generate DBG2 table

I'd swap 2/3 and 3/3, so it would be obvious where DBG2 comes from.

> 
>  hw/arm/virt-acpi-build.c  |  64 +++++++++++++++++++++++++++++++++++++-
>  tests/data/acpi/virt/DBG2 | Bin 0 -> 87 bytes
>  2 files changed, 63 insertions(+), 1 deletion(-)
>  create mode 100644 tests/data/acpi/virt/DBG2
>