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Re: [PATCH v2 0/3] hw/arm/virt_acpi_build: Generate DBG2 table
From: |
Andrew Jones |
Subject: |
Re: [PATCH v2 0/3] hw/arm/virt_acpi_build: Generate DBG2 table |
Date: |
Wed, 8 Sep 2021 11:14:04 +0200 |
On Mon, Sep 06, 2021 at 02:31:36PM +0200, Eric Auger 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
>
> 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.
Hi Eric,
Did you test this in some way with a Linux guest?
Thanks,
drew
>
> 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
>
> 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
>
> --
> 2.26.3
>