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configs: qemu: add config fragment for ACPI

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Provide a configuration fragment to enable ACPI on QEMU.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Heinrich Schuchardt 2023-12-19 16:04:07 +01:00 • committed by Simon Glass
parent b17e280bb2
commit b8bb5704ae
4 changed files with 28 additions and 0 deletions
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MAINTAINERS
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@ -53,6 +53,7 @@ Maintainers List (try to look for most precise areas first)
ACPI:
M: Simon Glass <sjg@chromium.org>
S: Maintained
F: board/emulation/configs/acpi.config
F: cmd/acpi.c
F: lib/acpi/

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board/emulation/configs/acpi.config Normal file
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@ -0,0 +1,3 @@
CONFIG_CMD_QFW=y
CONFIG_ACPI=y
CONFIG_GENERATE_ACPI_TABLE=y

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doc/board/emulation/acpi.rst Normal file
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@ -0,0 +1,23 @@
.. SPDX-License-Identifier: GPL-2.0+
ACPI on QEMU
============
QEMU can provide ACPI tables on ARM, RISC-V (since QEMU v8.0.0), and x86.
The following U-Boot settings are needed for ACPI support::
CONFIG_CMD_QFW=y
CONFIG_ACPI=y
CONFIG_GENERATE_ACPI_TABLE=y
On x86 these settings are already included in the defconfig files. ARM and
RISC-V default to use device-trees.
Instead of updating the configuration manually you can add the configuration
fragment `acpi.config` to the make command for initializing the configuration.
E.g.
.. code-block:: bash
make qemu-riscv64_smode_defconfig acpi.config

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doc/board/emulation/index.rst
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@ -6,6 +6,7 @@ Emulation
.. toctree::
:maxdepth: 1
acpi
blkdev
../../usage/semihosting
qemu-arm