This adds #defines and struct typedefs for the various node types in
the ACPI Arm Performance Monitoring Unit (APMT) table.
Signed-off-by: Jeff Brasen
---
MdePkg/Include/IndustryStandard/Acpi64.h | 5 ++
.../ArmPerformanceMonitoringUnitTable.h | 69 +++
2 files changed, 74 insertions(+)
create mode 100644
MdePkg/Include/IndustryStandard/ArmPerformanceMonitoringUnitTable.h
diff --git a/MdePkg/Include/IndustryStandard/Acpi64.h
b/MdePkg/Include/IndustryStandard/Acpi64.h
index fe5ebfac2b..575ca0430c 100644
--- a/MdePkg/Include/IndustryStandard/Acpi64.h
+++ b/MdePkg/Include/IndustryStandard/Acpi64.h
@@ -2847,6 +2847,11 @@ typedef struct {
///
#define EFI_ACPI_6_4_MULTIPLE_APIC_DESCRIPTION_TABLE_SIGNATURE
SIGNATURE_32('A', 'P', 'I', 'C')
+///
+/// "APMT" Arm Performance Monitoring Unit Table
+///
+#define EFI_ACPI_6_4_ARM_PERFORMANCE_MONITORING_UNIT_TABLE_SIGNATURE
SIGNATURE_32('A', 'P', 'M', 'T')
+
///
/// "BERT" Boot Error Record Table
///
diff --git
a/MdePkg/Include/IndustryStandard/ArmPerformanceMonitoringUnitTable.h
b/MdePkg/Include/IndustryStandard/ArmPerformanceMonitoringUnitTable.h
new file mode 100644
index 00..fe7084cffd
--- /dev/null
+++ b/MdePkg/Include/IndustryStandard/ArmPerformanceMonitoringUnitTable.h
@@ -0,0 +1,69 @@
+/** @file
+ ACPI Arm Performance Monitoring Unit (APMT) table
+ as specified in ARM spec DEN0117
+
+ Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
+ Copyright (c) 2022, ARM Limited. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef ARM_PERFORMANCE_MONITORING_UNIT_TABLE_H_
+#define ARM_PERFORMANCE_MONITORING_UNIT_TABLE_H_
+
+#include
+
+#pragma pack(1)
+
+///
+/// Arm Performance Monitoring Unit (APMT) tabl
+///
+typedef struct {
+ EFI_ACPI_DESCRIPTION_HEADERHeader;
+} EFI_ACPI_ARM_PERFORMANCE_MONITORING_UNIT_TABLE_HEADER;
+
+///
+/// APMT Revision (as defined in DEN0117.)
+///
+#define EFI_ACPI_ARM_PERFORMANCE_MONITORING_UNIT_TABLE_REVISION 0x00
+
+///
+/// Arm PMU Node Structure
+///
+
+// Node Flags
+#define EFI_ACPI_APMT_DUAL_PAGE_EXTENSION_SUPPORTED BIT0
+#define EFI_ACPI_APMT_PROCESSOR_AFFINITY_TYPE_CONTAINER BIT1
+#define EFI_ACPI_APMT_PROCESSOR_AFFINITY_TYPE_PROCESSOR 0 // BIT 1
+#define EFI_ACPI_APMT_64BIT_SINGLE_COPY_ATOMICITY_SUPPORTED BIT2
+
+// Interrupt Flags
+#define EFI_ACPI_APMT_INTERRUPT_MODE_EDGE_TRIGGERED BIT0
+#define EFI_ACPI_APMT_INTERRUPT_MODE_LEVEL_TRIGGERED 0 // BIT 0
+#define EFI_ACPI_APMT_INTERRUPT_TYPE_WIRED0 // BIT 1
+
+// Node Type
+#define EFI_ACPI_APMT_NODE_TYPE_MEMORY_CONTROLLER 0x00
+#define EFI_ACPI_APMT_NODE_TYPE_SMMU 0x01
+#define EFI_ACPI_APMT_NODE_TYPE_PCIE_ROOT_COMPLEX 0x02
+#define EFI_ACPI_APMT_NODE_TYPE_ACPI_DEVICE0x03
+#define EFI_ACPI_APMT_NODE_TYPE_CPU_CACHE 0x04
+
+typedef struct {
+ UINT16Length;
+ UINT8 NodeFlags;
+ UINT8 NodeType;
+ UINT32Identifier;
+ UINT64NodeInstancePrimary;
+ UINT32NodeInstanceSecondary;
+ UINT64BaseAddress0;
+ UINT64BaseAddress1;
+ UINT32OverflowInterrupt;
+ UINT32Reserved1;
+ UINT32OverflowInterruptFlags;
+ UINT32ProcessorAffinity;
+ UINT32ImplementationId;
+} EFI_ACPI_ARM_PERFORMANCE_MONITORING_UNIT_NODE;
+
+#pragma pack()
+
+#endif
--
2.25.1
-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#95961): https://edk2.groups.io/g/devel/message/95961
Mute This Topic: https://groups.io/mt/94808915/21656
Group Owner: devel+ow...@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com]
-=-=-=-=-=-=-=-=-=-=-=-
