UefiCpuPkg/CpuMpPei: Remove unused files and codes

Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Cc: Giri P Mudusuru <giri.p.mudusuru@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Michael Kinney <michael.d.kinney@intel.com>

1 files changed, 0 insertions, 131 deletions

diff --git a/UefiCpuPkg/CpuMpPei/PeiMpServices.c b/UefiCpuPkg/CpuMpPei/PeiMpServices.c
index 44e8f211c7..c9b2ad466b 100644
--- a/UefiCpuPkg/CpuMpPei/PeiMpServices.c
+++ b/UefiCpuPkg/CpuMpPei/PeiMpServices.c
@@ -35,137 +35,6 @@ EFI_PEI_PPI_DESCRIPTOR           mPeiCpuMpPpiDesc = {
 

 

 /**

-  Get CPU Package/Core/Thread location information.

-

-  @param InitialApicId     CPU APIC ID

-  @param Location          Pointer to CPU location information

-**/

-STATIC

-VOID

-ExtractProcessorLocation (

-  IN  UINT32                     InitialApicId,

-  OUT EFI_CPU_PHYSICAL_LOCATION  *Location

-  )

-{

-  BOOLEAN  TopologyLeafSupported;

-  UINTN    ThreadBits;

-  UINTN    CoreBits;

-  UINT32   RegEax;

-  UINT32   RegEbx;

-  UINT32   RegEcx;

-  UINT32   RegEdx;

-  UINT32   MaxCpuIdIndex;

-  UINT32   SubIndex;

-  UINTN    LevelType;

-  UINT32   MaxLogicProcessorsPerPackage;

-  UINT32   MaxCoresPerPackage;

-

-  //

-  // Check if the processor is capable of supporting more than one logical processor.

-  //

-  AsmCpuid (CPUID_VERSION_INFO, NULL, NULL, NULL, &RegEdx);

-  if ((RegEdx & BIT28) == 0) {

-    Location->Thread  = 0;

-    Location->Core    = 0;

-    Location->Package = 0;

-    return;

-  }

-

-  ThreadBits = 0;

-  CoreBits = 0;

-

-  //

-  // Assume three-level mapping of APIC ID: Package:Core:SMT.

-  //

-

-  TopologyLeafSupported = FALSE;

-  //

-  // Get the max index of basic CPUID

-  //

-  AsmCpuid (CPUID_SIGNATURE, &MaxCpuIdIndex, NULL, NULL, NULL);

-

-  //

-  // If the extended topology enumeration leaf is available, it

-  // is the preferred mechanism for enumerating topology.

-  //

-  if (MaxCpuIdIndex >= CPUID_EXTENDED_TOPOLOGY) {

-    AsmCpuidEx (CPUID_EXTENDED_TOPOLOGY, 0, &RegEax, &RegEbx, &RegEcx, NULL);

-    //

-    // If CPUID.(EAX=0BH, ECX=0H):EBX returns zero and maximum input value for

-    // basic CPUID information is greater than 0BH, then CPUID.0BH leaf is not

-    // supported on that processor.

-    //

-    if (RegEbx != 0) {

-      TopologyLeafSupported = TRUE;

-

-      //

-      // Sub-leaf index 0 (ECX= 0 as input) provides enumeration parameters to extract

-      // the SMT sub-field of x2APIC ID.

-      //

-      LevelType = (RegEcx >> 8) & 0xff;

-      ASSERT (LevelType == CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_SMT);

-      ThreadBits = RegEax & 0x1f;

-

-      //

-      // Software must not assume any "level type" encoding

-      // value to be related to any sub-leaf index, except sub-leaf 0.

-      //

-      SubIndex = 1;

-      do {

-        AsmCpuidEx (CPUID_EXTENDED_TOPOLOGY, SubIndex, &RegEax, NULL, &RegEcx, NULL);

-        LevelType = (RegEcx >> 8) & 0xff;

-        if (LevelType == CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_CORE) {

-          CoreBits = (RegEax & 0x1f) - ThreadBits;

-          break;

-        }

-        SubIndex++;

-      } while (LevelType != CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_INVALID);

-    }

-  }

-

-  if (!TopologyLeafSupported) {

-    AsmCpuid (CPUID_VERSION_INFO, NULL, &RegEbx, NULL, NULL);

-    MaxLogicProcessorsPerPackage = (RegEbx >> 16) & 0xff;

-    if (MaxCpuIdIndex >= CPUID_CACHE_PARAMS) {

-      AsmCpuidEx (CPUID_CACHE_PARAMS, 0, &RegEax, NULL, NULL, NULL);

-      MaxCoresPerPackage = (RegEax >> 26) + 1;

-    } else {

-      //

-      // Must be a single-core processor.

-      //

-      MaxCoresPerPackage = 1;

-    }

-

-    ThreadBits = (UINTN) (HighBitSet32 (MaxLogicProcessorsPerPackage / MaxCoresPerPackage - 1) + 1);

-    CoreBits = (UINTN) (HighBitSet32 (MaxCoresPerPackage - 1) + 1);

-  }

-

-  Location->Thread  = InitialApicId & ~((-1) << ThreadBits);

-  Location->Core    = (InitialApicId >> ThreadBits) & ~((-1) << CoreBits);

-  Location->Package = (InitialApicId >> (ThreadBits + CoreBits));

-}

-

-/**

-  Worker function for SwitchBSP().

-

-  Worker function for SwitchBSP(), assigned to the AP which is intended to become BSP.

-

-  @param Buffer        Pointer to CPU MP Data

-**/

-STATIC

-VOID

-EFIAPI

-FutureBSPProc (

-  IN  VOID                *Buffer

-  )

-{

-  PEI_CPU_MP_DATA         *DataInHob;

-

-  DataInHob = (PEI_CPU_MP_DATA *) Buffer;

-  AsmExchangeRole (&DataInHob->APInfo, &DataInHob->BSPInfo);

-}

-

-/**

   This service retrieves the number of logical processor in the platform

   and the number of those logical processors that are enabled on this boot.

   This service may only be called from the BSP.