C++ (Cpp) IdsPerfHdtOut Examples

Example #1

File: IdsPerf.c Project: fishbaoz/edk2ml

/**
 * Output Test Point function .
 *
 *  @param[in,out] StdHeader    The Pointer of Standard Header.
 *
 *  @retval AGESA_SUCCESS       Success to get the pointer of IDS_CHECK_POINT_PERF_HANDLE.
 *  @retval AGESA_ERROR         Fail to get the pointer of IDS_CHECK_POINT_PERF_HANDLE.
 *
 **/
AGESA_STATUS
IdsPerfAnalyseTimestamp (
  IN OUT   AMD_CONFIG_PARAMS *StdHeader
  )
{
  AGESA_STATUS status;
  LOCATE_HEAP_PTR LocateHeapStructPtr;
  UINT32 TscRateInMhz;
  CPU_SPECIFIC_SERVICES *FamilySpecificServices;
  IDS_CALLOUT_STRUCT IdsCalloutData;
  AGESA_STATUS Status;

  PERFREGBACKUP PerfReg;
  UINT32 CR4reg;
  UINT64 SMsr;

  LocateHeapStructPtr.BufferHandle = IDS_CHECK_POINT_PERF_HANDLE;
  LocateHeapStructPtr.BufferPtr = NULL;
  status = HeapLocateBuffer (&LocateHeapStructPtr, StdHeader);
  if (status != AGESA_SUCCESS) {
    return status;
  }
  GetCpuServicesOfCurrentCore (&FamilySpecificServices, StdHeader);
  FamilySpecificServices->GetTscRate (FamilySpecificServices, &TscRateInMhz, StdHeader);
  ((TP_Perf_STRUCT *) (LocateHeapStructPtr.BufferPtr)) ->TscInMhz = TscRateInMhz;
  ((TP_Perf_STRUCT *) (LocateHeapStructPtr.BufferPtr)) ->Version = IDS_PERF_VERSION;

  IdsCalloutData.IdsNvPtr = NULL;
  IdsCalloutData.StdHeader = *StdHeader;
  IdsCalloutData.Reserved = 0;
  Status = AgesaGetIdsData (IDS_CALLOUT_GET_PERF_BUFFER, &IdsCalloutData);

  //Check if Platform BIOS provide a buffer to copy
  if ((Status == AGESA_SUCCESS) && (IdsCalloutData.Reserved != 0)) {
    LibAmdMemCopy ((VOID *)IdsCalloutData.Reserved, LocateHeapStructPtr.BufferPtr, sizeof (TP_Perf_STRUCT), StdHeader);
  } else {
    //No platform performance buffer provide, use the default HDTOUT output
    if (AmdIdsHdtOutSupport () == FALSE) {
    //Init break point
      IdsPerfSaveReg (&PerfReg, StdHeader);

      LibAmdMsrRead (0xC001100A, (UINT64 *)&SMsr, StdHeader);
      SMsr |= 1;
      LibAmdMsrWrite (0xC001100A, (UINT64 *)&SMsr, StdHeader);

      LibAmdWriteCpuReg (DR2_REG, 0x99cc);
      LibAmdWriteCpuReg (DR7_REG, 0x02000420);

      LibAmdReadCpuReg (CR4_REG, &CR4reg);
      LibAmdWriteCpuReg (CR4_REG, CR4reg | ((UINT32)1 << 3));

      IdsPerfHdtOut (1, (UINT32) (UINT64) LocateHeapStructPtr.BufferPtr, StdHeader);
      IdsPerfRestoreReg (&PerfReg, StdHeader);
    }
  }
  return status;
}

Example #2

File: IdsPerf.c Project: Godkey/coreboot

/**
 * Output Test Point function .
 *
 *  @param[in,out] StdHeader    The Pointer of Standard Header.
 *
 *  @retval AGESA_SUCCESS       Success to get the pointer of IDS_CHECK_POINT_PERF_HANDLE.
 *  @retval AGESA_ERROR         Fail to get the pointer of IDS_CHECK_POINT_PERF_HANDLE.
 *
 **/
AGESA_STATUS
IdsPerfAnalyseTimestamp (
  IN OUT   AMD_CONFIG_PARAMS *StdHeader
  )
{
  AGESA_STATUS status;
  LOCATE_HEAP_PTR LocateHeapStructPtr;
  UINT32 TscRateInMhz;
  CPU_SPECIFIC_SERVICES *FamilySpecificServices;
  PERFREGBACKUP PerfReg;
  UINT32 CR4reg;
  UINT64 SMsr;

  LocateHeapStructPtr.BufferHandle = IDS_CHECK_POINT_PERF_HANDLE;
  LocateHeapStructPtr.BufferPtr = NULL;
  status = HeapLocateBuffer (&LocateHeapStructPtr, StdHeader);
  if (status != AGESA_SUCCESS) {
    return status;
  }
  GetCpuServicesOfCurrentCore (&FamilySpecificServices, StdHeader);
  FamilySpecificServices->GetTscRate (FamilySpecificServices, &TscRateInMhz, StdHeader);
  ((TP_Perf_STRUCT *) (LocateHeapStructPtr.BufferPtr)) ->TscInMhz = TscRateInMhz;
//Init break point
  IdsPerfSaveReg (&PerfReg, StdHeader);

  LibAmdMsrRead (0xC001100A, (UINT64 *)&SMsr, StdHeader);
  SMsr |= 1;
  LibAmdMsrWrite (0xC001100A, (UINT64 *)&SMsr, StdHeader);

  LibAmdWriteCpuReg (DR0_REG, 0x8899);
  LibAmdWriteCpuReg (DR7_REG, 0x00020402);

  LibAmdReadCpuReg (CR4_REG, &CR4reg);
  LibAmdWriteCpuReg (CR4_REG, CR4reg | ((UINT32)1 << 3));

  IdsPerfHdtOut (1, (UINT32) LocateHeapStructPtr.BufferPtr, StdHeader);
  IdsPerfRestoreReg (&PerfReg, StdHeader);
  return status;
}