HalpSetupAcpiPhase0

NTSTATUS __stdcall HalpSetupAcpiPhase0(INT64 a1){
  NTSTATUS result; 
  _LARGE_INTEGER *Table; 
  _LARGE_INTEGER *v4; 
  unsigned int HighPart; 
  size_t v6; 
  _FADT *v7; 
  __int64 v8; 
  _LARGE_INTEGER *v9; 
  __int64 v10; 
  _LARGE_INTEGER *v11; 
  UINT64 v12; 
  PSTR MemoryInternal; 
  __int64 v14; 
  PSTR v15; 
  __int64 v16; 
  UINT64 Protection; 
  _LARGE_INTEGER MaxPhysicalAddress; 

  if( !byte_140C49D2A )
  {
    HalpAcpiTableCacheInit((_LOADER_PARAMETER_BLOCK *)a1);
    if( result < 0 )
      return result;
    Table = HalpAcpiGetTable((_LOADER_PARAMETER_BLOCK *)a1, (const UINT8 *)0x50434146, 0i64);
    v4 = Table;
    if( !Table )
      return -1073741275;
    HighPart = Table->anonymous_0.HighPart;
    v6 = 276;
    if( HighPart < 0x114 )
      v6 = HighPart;
    memmove(&Fadt, v4, v6);
    HalpSetPlatformFlags(&Fadt, (_LOADER_PARAMETER_BLOCK *)a1);
    HalpAcpiInitializePmRegisters(&Fadt);
    if( (Fadt.flags & 0x40000) != 0 )
      HalpInterruptClusterModeForced = 1;
    if( (Fadt.flags & 0x80000) != 0 )
      *(&stru_140CF2E80 + 6616) = 1;
    HalpAcpiDetectMachineSpecificActions((_LOADER_PARAMETER_BLOCK *)a1, v7);
    HalpNumaInitializeStaticConfiguration((_LOADER_PARAMETER_BLOCK *)a1);
    MaxPhysicalAddress.anonymous_0.LowPart = 0;
    *(&CmpDummyThreadEvent + 873) = HalpAcpiGetTable((_LOADER_PARAMETER_BLOCK *)a1, (const UINT8 *)0x54414D48, 0i64);
    if( *(&CmpDummyThreadEvent + 873) )
    {
      if( *(&CmpDummyThreadEvent + 869) )
      {
        if( (int)HalpNumaParseHmat(v8, 0i64, 0, (size_t *)&MaxPhysicalAddress) >= 0 )
        {
          MemoryInternal = HalpMmAllocateMemoryInternal(MaxPhysicalAddress.anonymous_0.LowPart, MmCached);
          v15 = MemoryInternal;
          if( MemoryInternal )
          {
            if( (int)HalpNumaParseHmat(
                        v14,
                        MemoryInternal,
                        MaxPhysicalAddress.anonymous_0.LowPart,
                        (size_t *)&MaxPhysicalAddress) >= 0 )
              *(&CmpDummyThreadEvent + 872) = v15;
          }
        }
      }
    }
    qword_140C507E0 = 0i64;
    v9 = HalpAcpiGetTable((_LOADER_PARAMETER_BLOCK *)a1, (const UINT8 *)0x54544450, 0i64);
    v10 = (__int64)v9;
    if( v9 )
    {
      v16 = BYTE4(v9[4].QuadPart);
      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 )
          qword_140C507E0 = v10;
      }
    }
    v11 = HalpAcpiGetTable((_LOADER_PARAMETER_BLOCK *)a1, (const UINT8 *)0x54454157, 0i64);
    if( v11 )
      dword_140C49EF0 = v11[4].anonymous_0.HighPart;
    if( !BaseAddress )
    {
      MaxPhysicalAddress.QuadPart = 0x100000i64;
      v12 = HalpAllocPhysicalMemory((_LOADER_PARAMETER_BLOCK *)a1, &MaxPhysicalAddress, 1ui64, 0i64);
      BaseAddress = v12;
      if( v12 )
      {
        LODWORD(Protection) = 4;
        qword_140C49E98 = HalpMap((_LARGE_INTEGER)v12, MmCached, MmCached, 0, Protection);
      }
    }
    if( (Fadt.flags & 3) == 0 )
    {
      LODWORD(Protection) = 4;
      qword_140C49D50 = HalpMap((_LARGE_INTEGER)BaseAddress, MmCached, MmCached, 0, Protection);
    }
    byte_140C49D2A = 1;
    qword_140C00B08 = (__int64)HalAcpiGetTableDispatch;
    qword_140C00B10 = (__int64)xHalTimerWatchdogStop;
    HalpInitBootTable((_LOADER_PARAMETER_BLOCK *)a1);
  }
  return 0;
}

Referenced by: