HalpAcpiFindRsdp

NTSTATUS __fastcall HalpAcpiFindRsdp(_LOADER_PARAMETER_BLOCK *LoaderBlock, UINT8 **a2){
  UINT8 *v2; 
  NTSTATUS v3; 
  _CONFIGURATION_COMPONENT_DATA *ConfigurationRoot; 
  __int64 ConfigurationNextEntry; 
  int v8; 
  _CONFIGURATION_COMPONENT_DATA *v9; 
  __int64 v10; 
  size_t v11; 
  UINT8 *Memory; 
  __int64 v14; 
  __int64 v15; 

  v2 = (UINT8 *)qword_140C50510;
  v3 = 0;
  v14 = 0i64;
  if( !qword_140C50510 )
  {
    ConfigurationRoot = LoaderBlock->ConfigurationRoot;
    v15 = 0i64;
    ConfigurationNextEntry = KeFindConfigurationNextEntry((__int64)ConfigurationRoot, 3, 12, 0i64, &v15);
    if( !ConfigurationNextEntry )
      goto LABEL_11;
    do
    {
      strcmp(*(UINT8 **)(ConfigurationNextEntry + 56), (UINT8 *)"ACPI BIOS");
      if( !v8 )
        break;
      v9 = LoaderBlock->ConfigurationRoot;
      v14 = ConfigurationNextEntry;
      ConfigurationNextEntry = KeFindConfigurationNextEntry((__int64)v9, 3, 12, 0i64, &v14);
    }
    while( ConfigurationNextEntry );
    if( !ConfigurationNextEntry )
    {
LABEL_11:
      DbgPrint("**** HalpAcpiFindRsdp: Could not find RSDP\n");
      return -1073741275;
    }
    v10 = *(_QWORD *)(ConfigurationNextEntry + 64);
    v11 = 24 * *(_DWORD *)(v10 + 36) + 16;
    Memory = HalpAcpiAllocateMemory(LoaderBlock, v11);
    qword_140C50510 = (__int64)Memory;
    v2 = Memory;
    if( !Memory )
      return -1073741670;
    memmove(Memory, (const VOID *)(v10 + 28), v11);
  }
  *a2 = v2;
  return v3;
}

Referenced by: