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DynamicTablesPkg: introduce Arm coresight PMU CM object

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To generate Arm Performance Moniteroing Unit Table (APMT), introduce
Arm coresight PMU CM object.

Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
This commit is contained in:
Yeoreum Yun 2026-08-10 12:04:11 +01:00 • committed by pierregondois
parent 70b95818da
commit 9455c8536e
2 changed files with 80 additions and 0 deletions
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62
DynamicTablesPkg/Include/ArmNameSpaceObjects.h
View file

@ -55,6 +55,7 @@ typedef enum ArmObjectID {
EArmObjDmc620PmuRegInfo, ///< 25 - DMC620 PMU Reg Info
EArmObjProcessorSpecificBlockInfo, ///< 26 - Processor Specific Block.
EArmObjProcessorSpecificSubDataArchInfo, ///< 27 - Processor Specific Sub Data (ArchData)
EArmObjCoresightPmuInfo, ///< 28 - Coresight PMU Info
EArmObjMax
} EARM_OBJECT_ID;
@ -873,4 +874,65 @@ typedef struct CmArmProcessorSpecificSubDataArchInfo {
UINT64 IdAA64Zfr0;
} CM_ARM_PROCESSOR_SPECIFIC_SUB_DATA_ARCH_INFO;
/** A structure that describes Coresight PMU information.
ID: EArmObjCoresightPmuInfo
*/
typedef struct CmArmCoresightPmuInfo {
/// Node Flags.
UINT8 Flags;
/// Node Type.
UINT16 Type;
/// Unique identifier for this node.
UINT32 Identifier;
/// Base address of Page 0 of the PMU.
UINT64 BaseAddress0;
///
/// Base address of Page 1 of the PMU if the PMU
/// implements the dual-page extension otherwise 0.
///
UINT64 BaseAddress1;
/// Overflow Interrupt.
UINT32 OverflowInterrupt;
/// Overflow Interrupt Flags.
UINT32 OverflowInterruptFlags;
/// Proc node token for processor affinity
CM_OBJECT_TOKEN ProcNodeToken;
///
/// Token pointing to the monitored device.
/// The Token is evaluated in regards to the node Type and might resolve
/// to a CM Object such as CPU cache, Smmu and etc.
///
CM_OBJECT_TOKEN TypeInstanceToken;
///
/// This is valid when type is EFI_ACPI_APMT_NODE_TYPE_ACPI_DEVICE only.
/// Specify the associated acpi device's HID with this Coresight PMU
/// including NULL characther.
///
CHAR8 AcpiDeviceHid[9];
///
/// This is valid when type is EFI_ACPI_APMT_NODE_TYPE_ACPI_DEVICE only.
/// Specify the associated acpi device's UID with this Coresight PMU.
///
UINT32 AcpiDeviceUid;
///
/// This field is used for specifying the identity of the
/// implementer of this PMU.
/// This field must be set to 0 and ignored if the
/// PMIIDR or PMPIDR register is present in this PMU implementation.
///
UINT32 ImplementationId;
} CM_ARM_CORESIGHT_PMU_INFO;
#pragma pack()

18
DynamicTablesPkg/Library/Common/TableHelperLib/ConfigurationManagerObjectParser.c
View file

@ -469,6 +469,23 @@ STATIC CONST CM_OBJ_PARSER CmArmProcessorSpecificSubDataArchInfoParser[] = {
{ "IdAA64Zfr0", sizeof (UINT64), "0x%llx", NULL },
};
/** A parser for EArmObjCoresightPmuInfo.
*/
STATIC CONST CM_OBJ_PARSER CmArmCoresightPmuInfoParser[] = {
{ "Flags", sizeof (UINT8), "0x%x", NULL },
{ "Type", sizeof (UINT16), "0x%x", NULL },
{ "Identifier", sizeof (UINT32), "0x%x", NULL },
{ "BaseAddress0", sizeof (UINT64), "0x%llx", NULL },
{ "BaseAddress1", sizeof (UINT64), "0x%llx", NULL },
{ "OverflowInterrupt", sizeof (UINT32), "0x%x", NULL },
{ "OverflowInterruptFlags", sizeof (UINT32), "0x%x", NULL },
{ "ProcNodeToken", sizeof (CM_OBJECT_TOKEN), "0x%p", NULL },
{ "TypeInstanceToken", sizeof (CM_OBJECT_TOKEN), "0x%p", NULL },
{ "AcpiDeviceHid", sizeof (CHAR8) * 9, "0x%a", PrintString },
{ "AcpiDeviceUid", sizeof (UINT32), "0x%x", NULL },
{ "ImplementationId", sizeof (UINT32), "0x%x", NULL },
};
/** A parser for EArmObjCmn600Info.
*/
STATIC CONST CM_OBJ_PARSER CmArmCmn600InfoParser[] = {
@ -1588,6 +1605,7 @@ STATIC CONST CM_OBJ_PARSER_ARRAY ArmNamespaceObjectParser[] = {
CM_PARSER_ADD_OBJECT (EArmObjDmc620PmuRegInfo, CmArmDmc620PmuRegInfoParser),
CM_PARSER_ADD_OBJECT (EArmObjProcessorSpecificBlockInfo, CmArmProcessorSpecificBlockInfoParser),
CM_PARSER_ADD_OBJECT (EArmObjProcessorSpecificSubDataArchInfo,CmArmProcessorSpecificSubDataArchInfoParser),
CM_PARSER_ADD_OBJECT (EArmObjCoresightPmuInfo, CmArmCoresightPmuInfoParser),
CM_PARSER_ADD_OBJECT_RESERVED (EArmObjMax)
};