HalpSetupAcpiPhase0

INT64 __fastcall HalpSetupAcpiPhase0(INT64 a1){
  INT64 result; 
  INT64 Table; 
  UINT8 *v4; 
  UINT64 v5; 
  UINT64 v6; 
  FADT *v7; 
  INT64 v8; 
  INT64 v9; 
  __int64 v10; 
  INT64 v11; 
  void *v12; 
  PSTR MemoryInternal; 
  INT64 v14; 
  __int64 v15; 
  __int64 v16; 
  LARGE_INTEGER MaxPhysicalAddress; 
  if( !HalpProcessedACPIPhase0 )
  {
    LODWORD(result) = HalpAcpiTableCacheInit((_LOADER_PARAMETER_BLOCK *)a1);
    if( (int)result < 0 )
      return result;
    Table = HalpAcpiGetTable((volatile INT64 *)a1);
    v4 = (UINT8 *)Table;
    if( !Table )
      return 3221226021i64;
    v5 = *(unsigned int *)(Table + 4);
    v6 = 276i64;
    if( (unsigned int)v5 < 0x114 )
      v6 = v5;
    memmove(&HalpFixedAcpiDescTable, v4, v6);
    HalpSetPlatformFlags((FADT *)&HalpFixedAcpiDescTable, (_LOADER_PARAMETER_BLOCK *)a1);
    HalpAcpiInitializePmRegisters((FADT *)&HalpFixedAcpiDescTable);
    if( (dword_140C49DF0 & 0x40000) != 0 )
      HalpInterruptClusterModeForced = 1;
    if( (dword_140C49DF0 & 0x80000) != 0 )
      HalpInterruptPhysicalModeOnly = 1;
    HalpAcpiDetectMachineSpecificActions((_LOADER_PARAMETER_BLOCK *)a1, v7);
    HalpNumaInitializeStaticConfiguration((_LOADER_PARAMETER_BLOCK *)a1);
    MaxPhysicalAddress.LowPart = 0;
    HalpAcpiHmat = HalpAcpiGetTable((volatile INT64 *)a1);
    if( HalpAcpiHmat )
    {
      if( HalpAcpiSrat )
      {
        if( (int)HalpNumaParseHmat(v8, 0i64, 0i64, (UINT64 *)&MaxPhysicalAddress.QuadPart) >= 0 )
        {
          MemoryInternal = HalpMmAllocateMemoryInternal(MaxPhysicalAddress.LowPart, MmCached);
          v15 = (__int64)MemoryInternal;
          if( MemoryInternal )
          {
            if( (int)HalpNumaParseHmat(
                        v14,
                        MemoryInternal,
                        MaxPhysicalAddress.LowPart,
                        (UINT64 *)&MaxPhysicalAddress.QuadPart) >= 0 )
              HalpHmaConfig = v15;
          }
        }
      }
    }
    PdttTable = 0i64;
    v9 = HalpAcpiGetTable((volatile INT64 *)a1);
    v10 = v9;
    if( v9 )
    {
      v16 = *(unsigned __int8 *)(v9 + 36);
      if( *(unsigned int *)(v10 + 4) >= (unsigned __int64)*(unsigned int *)(v10 + 40) + 2 * v16 )
      {
        qword_140C507E8 = (__int64)HalpMmAllocateMemoryInternal((unsigned int)(136 * v16), MmCached);
        if( qword_140C507E8 )
          PdttTable = v10;
      }
    }
    v11 = HalpAcpiGetTable((volatile INT64 *)a1);
    if( v11 )
      HalpWAETDeviceFlags = *(_DWORD *)(v11 + 36);
    if( !HalpLowStubPhysicalAddress )
    {
      MaxPhysicalAddress.QuadPart = 0x100000i64;
      v12 = (void *)HalpAllocPhysicalMemory((_LOADER_PARAMETER_BLOCK *)a1, &MaxPhysicalAddress);
      HalpLowStubPhysicalAddress = v12;
      if( v12 )
        HalpLowStub = HalpMap((LARGE_INTEGER)v12, MmCached, 1u);
    }
    if( (dword_140C49DF0 & 3) == 0 )
      HalpVirtAddrForFlush = HalpMap((LARGE_INTEGER)HalpLowStubPhysicalAddress, MmCached, 1u);
    HalpProcessedACPIPhase0 = 1;
    qword_140C00B08 = (__int64)HalAcpiGetTableDispatch;
    qword_140C00B10 = (__int64)xHalTimerWatchdogStop;
    HalpInitBootTable(a1);
  }
  return 0i64;
}

Referenced by: