SsdtCpuTopologyGenerator.h

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#ifndef SSDT_CPU_TOPOLOGY_GENERATOR_H_
#define SSDT_CPU_TOPOLOGY_GENERATOR_H_
 
#pragma pack(1)
 
// Mask for the flags that need to be checked.
#define PPTT_PROCESSOR_MASK  (                                                \
          (EFI_ACPI_6_3_PPTT_PACKAGE_PHYSICAL)          |                     \
          (EFI_ACPI_6_3_PPTT_PROCESSOR_ID_VALID << 1)   |                     \
          (EFI_ACPI_6_3_PPTT_NODE_IS_LEAF << 3))
 
// Mask for the cpu flags.
#define PPTT_CPU_PROCESSOR_MASK  (                                            \
          (EFI_ACPI_6_3_PPTT_PACKAGE_NOT_PHYSICAL)      |                     \
          (EFI_ACPI_6_3_PPTT_PROCESSOR_ID_VALID << 1)   |                     \
          (EFI_ACPI_6_3_PPTT_NODE_IS_LEAF << 3))
 
// Mask for the cluster flags.
// Even though a _UID is generated for clusters, it is simpler to use
// EFI_ACPI_6_3_PPTT_PROCESSOR_ID_INVALID and to not match the cluster id of
// the PPTT table (not sure the PPTT table is generated).
#define PPTT_CLUSTER_PROCESSOR_MASK  (                                        \
          (EFI_ACPI_6_3_PPTT_PACKAGE_NOT_PHYSICAL)      |                     \
          (EFI_ACPI_6_3_PPTT_PROCESSOR_ID_INVALID << 1) |                     \
          (EFI_ACPI_6_3_PPTT_NODE_IS_NOT_LEAF << 3))
 
// Leaf nodes specific mask.
#define PPTT_LEAF_MASK  ((EFI_ACPI_6_3_PPTT_PROCESSOR_ID_VALID << 1) |        \
                         (EFI_ACPI_6_3_PPTT_NODE_IS_LEAF << 3))
 
#define SB_SCOPE         "\\_SB_"
#define SB_SCOPE_PREFIX  SB_SCOPE "."
#define SB_SCOPE_PREFIX_SIZE  sizeof (SB_SCOPE_PREFIX)
 
#define ACPI_HID_PROCESSOR_DEVICE  "ACPI0007"
 
#define ACPI_HID_ET_DEVICE  "ARMHC500"
 
#define ACPI_HID_PROCESSOR_CONTAINER_DEVICE  "ACPI0010"
 
#define MAX_NODE_COUNT  (1 << 12)
 
typedef struct TokenTable {
  CM_OBJECT_TOKEN    *Table;
 
  UINT32             LastIndex;
} TOKEN_TABLE;
 
typedef struct AcpiCpuTopologyGenerator {
  ACPI_TABLE_GENERATOR                  Header;
 
  // Private fields are defined from here.
 
  TOKEN_TABLE                           TokenTable;
  CM_ARCH_COMMON_PROC_HIERARCHY_INFO    *ProcNodeList;
  UINT32                                ProcNodeCount;
} ACPI_CPU_TOPOLOGY_GENERATOR;
 
#pragma pack()
 
EFI_STATUS
EFIAPI
WriteAslName (
  IN      CHAR8   LeadChar,
  IN      UINT32  Value,
  IN OUT  CHAR8   *AslName
  );
 
EFI_STATUS
EFIAPI
GetIntCInfo (
  IN  CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL  *CONST  CfgMgrProtocol,
  IN  CM_OBJECT_TOKEN                                     AcpiIdObjectToken,
  OUT UINT32                                              *AcpiProcessorUid,
  OUT CM_OBJECT_TOKEN                                     *CpcToken,
  OUT CM_OBJECT_TOKEN                                     *PsdToken
  );
 
EFI_STATUS
EFIAPI
CreateAmlCpcNode (
  IN  ACPI_CPU_TOPOLOGY_GENERATOR                         *Generator,
  IN  CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL  *CONST  CfgMgrProtocol,
  IN  CM_OBJECT_TOKEN                                     CpcToken,
  IN  AML_OBJECT_NODE_HANDLE                              *Node
  );
 
EFI_STATUS
EFIAPI
CreateAmlCpu (
  IN   ACPI_CPU_TOPOLOGY_GENERATOR  *Generator,
  IN   AML_NODE_HANDLE              ParentNode,
  IN   UINT32                       AcpiProcessorUid,
  IN   UINT32                       CpuName,
  OUT  AML_OBJECT_NODE_HANDLE       *CpuNodePtr OPTIONAL
  );
 
EFI_STATUS
EFIAPI
CreateTopologyFromIntC (
  IN        ACPI_CPU_TOPOLOGY_GENERATOR                   *Generator,
  IN  CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL  *CONST  CfgMgrProtocol,
  IN        AML_OBJECT_NODE_HANDLE                        ScopeNode
  );
 
EFI_STATUS
EFIAPI
AddArchAmlCpuInfo (
  IN  ACPI_CPU_TOPOLOGY_GENERATOR                         *Generator,
  IN  CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL  *CONST  CfgMgrProtocol,
  IN  CM_OBJECT_TOKEN                                     AcpiIdObjectToken,
  IN  UINT32                                              CpuName,
  OUT  AML_OBJECT_NODE_HANDLE                             *CpuNode
  );
 
#endif // SSDT_CPU_TOPOLOGY_GENERATOR_H_