/** @file
  PerfMonApp.c -- PerfMonApp

  Auto-converted from IDA decompiler output.
  Functions: 1

Copyright (c) HR650X BIOS Decompilation Project
**/

#include "PerfMonApp.h"


// Function: ModuleEntryPoint
EFI_STATUS
EFIAPI
ModuleEntryPoint(
  EFI_HANDLE        ImageHandle,
  EFI_SYSTEM_TABLE  *SystemTable
  )
{
  UINTN      *PerformanceProperty;
  UINTN      Index;
  EFI_STATUS Status;
  UINTN      *PerformanceInfo;
  UINTN      TimerFrequencyKHz;
  UINTN      TimerValue;
  EFI_STATUS QueryStatus;
  UINTN      *PropertyTable;

  ::ImageHandle = (__int64)ImageHandle;
  if ( !ImageHandle ) {
    PerfMonAssert("e:\\hs\\MdePkg\\Library\\UefiBootServicesTableLib\\UefiBootServicesTableLib.c", 51, "gImageHandle != ((void *) 0)");
  }

  ::SystemTable = (__int64)SystemTable;
  if ( !SystemTable ) {
    PerfMonAssert("e:\\hs\\MdePkg\\Library\\UefiBootServicesTableLib\\UefiBootServicesTableLib.c", 57, "gST != ((void *) 0)");
  }

  BootServices = (__int64)SystemTable->BootServices;
  if ( !BootServices ) {
    PerfMonAssert("e:\\hs\\MdePkg\\Library\\UefiBootServicesTableLib\\UefiBootServicesTableLib.c", 63, "gBS != ((void *) 0)");
  }

  RuntimeServices = (__int64)SystemTable->RuntimeServices;
  if ( !RuntimeServices ) {
    PerfMonAssert("e:\\hs\\MdePkg\\Library\\UefiRuntimeServicesTableLib\\UefiRuntimeServicesTableLib.c", 47, "gRT != ((void *) 0)");
  }

  InitializePerformanceFramework();
  PropertyTable = PerformanceProperty;
  n1000 = 1000;
  for ( Index = 0; Index < 0xA0; Index += 40LL ) {
    *(_DWORD *)((char *)&unk_9220 + Index + 32) = 0;
    *(_QWORD *)((char *)&unk_9220 + Index + 8) = -1;
    *(_QWORD *)((char *)&unk_9220 + Index + 16) = 0;
    *(_QWORD *)((char *)&unk_9220 + Index) = 0;
  }

  Status = GetPerformancePropertyTable(&unk_91E0, &PropertyTable);
  if ( Status >= 0 && PropertyTable != 0 ) {
    PerfMonPrint(L"DP Build Version: %d.%d\n", 2, 4);
    TimerFrequencyKHz = PropertyTable[1];
    TimerValue = PropertyTable[3];
    qword_93A0 = PropertyTable[2];
    qword_93A8 = TimerValue;
    dword_93B0 = TimerFrequencyKHz / 0x3E8;
    byte_93B4 = TimerValue >= qword_93A0;
    PerfMonPrint(L"System Performance Timer Frequency: %,8d (KHz)\n", (unsigned int)dword_93B0);
    CollectPerformanceData();
    InitializePerformanceData();
    ConfigurePerformanceOutput();
    Status = 0x8000000000000015uLL;
    if ( HasPerformanceProtocol() != 0x8000000000000015uLL && HasPerformanceData() != 0x8000000000000015uLL ) {
      QueryStatus = RunPerformanceQuery();
      if ( QueryStatus != 0x8000000000000015uLL ) {
        CleanupPerformanceState();
        return QueryStatus;
      }
    }
  } else {
    PerfMonPrint(L"Performance property not found\n");
  }

  return Status;
}