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author | Pierre Gondois <Pierre.Gondois@arm.com> | 2021-10-08 15:46:32 +0100 |
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committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2021-10-08 15:39:42 +0000 |
commit | 769e63999ff5c786d5aac1fd6dbfa4748fbccbc7 (patch) | |
tree | 4df6108a566fd9fcaf65d680314965c24f74bd5e /DynamicTablesPkg/Include | |
parent | f17ef10e635036ddbc05791371b552beda8e0504 (diff) | |
download | edk2-769e63999ff5c786d5aac1fd6dbfa4748fbccbc7.zip edk2-769e63999ff5c786d5aac1fd6dbfa4748fbccbc7.tar.gz edk2-769e63999ff5c786d5aac1fd6dbfa4748fbccbc7.tar.bz2 |
DynamicTablesPkg: SSDT CPU topology and LPI state generator
In the GIC interrupt model, logical processors are required to
have a Processor Device object in the DSDT and must convey each
processor's GIC information to the OS using the GICC structure.
Additionally, _LPI objects may be needed as they provide a method
to describe Low Power Idle states that defines the local power
states for each node in a hierarchical processor topology.
Therefore, add support to generate the CPU topology and the LPI
state information in an SSDT table.
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Signed-off-by: Pierre Gondois <Pierre.Gondois@arm.com>
Diffstat (limited to 'DynamicTablesPkg/Include')
-rw-r--r-- | DynamicTablesPkg/Include/AcpiTableGenerator.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/DynamicTablesPkg/Include/AcpiTableGenerator.h b/DynamicTablesPkg/Include/AcpiTableGenerator.h index 352331d..45c808b 100644 --- a/DynamicTablesPkg/Include/AcpiTableGenerator.h +++ b/DynamicTablesPkg/Include/AcpiTableGenerator.h @@ -1,6 +1,6 @@ /** @file
- Copyright (c) 2017 - 2020, Arm Limited. All rights reserved.<BR>
+ Copyright (c) 2017 - 2021, Arm Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -63,6 +63,10 @@ The Dynamic Tables Framework implements the following ACPI table generators: The SSDT CMN-600 generator collates the CMN-600 information
from the Configuration Manager and patches the SSDT CMN-600
template to build the SSDT CMN-600 table.
+ - SSDT Cpu-Topology:
+ The SSDT Cpu-Topology generator collates the cpu and LPI
+ information from the Configuration Manager and generates a
+ SSDT table describing the CPU hierarchy.
*/
/** The ACPI_TABLE_GENERATOR_ID type describes ACPI table generator ID.
@@ -88,6 +92,7 @@ typedef enum StdAcpiTableId { EStdAcpiTableIdSrat, ///< SRAT Generator
EStdAcpiTableIdSsdtSerialPort, ///< SSDT Serial-Port Generator
EStdAcpiTableIdSsdtCmn600, ///< SSDT Cmn-600 Generator
+ EStdAcpiTableIdSsdtCpuTopology, ///< SSDT Cpu Topology
EStdAcpiTableIdMax
} ESTD_ACPI_TABLE_ID;
|